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Wilmer, Greg. "OPM model-based integration of multiple data repositories." Thesis, Massachusetts Institute of Technology, 2015. http://hdl.handle.net/1721.1/100389.
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Thesis: S.M. in Engineering and Management, Massachusetts Institute of Technology, Engineering Systems Division, System Design and Management Program, 2015.Cataloged from PDF version of thesis.
Includes bibliographical references (page 90).
Data integration is at the heart of a significant portion of current information system implementations. As companies continue to move towards a diverse, growing set of Commercial Off the Shelf (COTS) applications to fulfill their information technology needs, the need to integrate data between them continues to increase. In addition, these diverse application portfolios are becoming more geographically dispersed as more software is provided using the Software as a Service (SaaS) model, and companies continue the pattern of moving their internal data centers to cloud-based computing. As the growth of data integration activities continues, several prominent data integration patterns have emerged, and commercial software packages have been created that covers each of the patterns below: 1. Bulk and/or batch data extraction and delivery (ETL, ELT, etc.); 2. Messaging / Message-oriented data movement; 3. Granular, low-latency data capture and propagation (data synchronization). As the data integration landscape within an organization, and between organizations, becomes larger and more complex, opportunities exist to streamline aspects of the data integrating process not covered by current toolsets including: 1. Extensibility by third parties. Many COTS integration toolsets today are difficult if not impossible to extend by third parties; 2. Capabilities to handle different types of structured data from relational to hierarchical to graph models; 3. Enhanced modeling capabilities through use of data visualization and modeling techniques and tools; 4. Capabilities for automated unit testing of integrations; 5. A unified toolset that covers all three patterns, allowing an enterprise to implement the pattern that best suites business needs for the specific scenario; 6. A Web-based toolset that allows configuration, management and deployment via Web-based technologies allowing geographical indifference for application deployment and integration. While discussing these challenges with a large Fortune 500 client, they expressed the need for an enhanced data integration toolset that would allow them to accomplish such tasks. Given this request, the Object Process Methodology (OPM) and the Opcat toolset were used to begin design of a data integration toolset that could fulfill these needs. As part of this design process, lessons learned covering both the use of OPM in software design projects as well as enhancement requests for the Opcat toolset were documented.
by Greg Wilmer.
S.M. in Engineering and Management
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Shahid, Hamid. "Integration of System-Level Design and Mechanical Design Models in the Development of Mechanical Systems." Thesis, KTH, Skolan för informations- och kommunikationsteknik (ICT), 2011. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-53061.
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Modern-day systems are becoming complex due to the growing needs of the market. These systems contain various subsystems developed by different groups of engineers. Particularly, all mechatronics systems involve different mechanical, electrical and software parts developed by multidisciplinary teams of engineers from different backgrounds. Designing of these complex systems requires effective management, of the engineering and the system integration information, across all the involved disciplines. Model Based System Engineering (MBSE) is one of the effective ways for managing the engineering design process. In MBSE, design information is formally stored in the form of models, which allows better control of requirements throughout the development life cycle and provides ability to perform better analysis. Engineers usually are expert in their own discipline, where they utilize modeling languages and tools with a domain-specific focus. This creation of models with the domain-specific focus does not provide a view of the system as a whole. Hence, in order to have a complete system view, it is required to provide information transfer means across different domains, through models developed in different modeling languages and tools supporting them. Model integration is one of the ways to integrate and transfer model information across different domains. An approach for model integration is proposed, with the focus on the integration between system level models created in SysML and mechanical CAD (MCAD) models. The approach utilizes the feature of SysML to create domain specific profiles and presents a SysML profile for MCAD domain. This profile aids in establishing a mapping between SysML and MCAD concepts, as it allows the extension of SysML constructs to represent MCAD concepts in SysML. Model transformations are used to transform a model created through SysML profile for MCAD in to the corresponding model in a MCAD tool, and vice versa. A robot model is presented to exemplify the working of the approach and to explain the integration of mechanical design model with a system-level design model and vice versa. The approach presented in this thesis depicts a scalable concept, which can be extended towards the integration of other domains with MCAD, by building new relations and profiles in SysML. This approach aids in co-evolution of a system model during domain-specific development activities, hence providing better means to understand the system as a whole.
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Dittrich, Joerg S. "Design and integration of an unmanned aerial vehicle navigation system." Thesis, Georgia Institute of Technology, 2002. http://hdl.handle.net/1853/15669.
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Moullec, Marie-Lise. "Towards decision support for complex system architecture design with innovation integration in early design stages." Phd thesis, Ecole Centrale Paris, 2014. http://tel.archives-ouvertes.fr/tel-00994935.
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The aim of this research work is to propose a method allowing innovation integration in early design stages and supporting architecture design of complex systems that have significant implications for the rest of overall system life-cycle. Focusing on system architectures generation support, this method proposes to use Bayesian networks combined with Constraint Satisfaction Problem (CSP) techniques in order to semi-automatically generate and evaluate complex systems architectures. Bayesian network model is used to represent the design problem in terms of decision variables, constraints and performances. Furthermore, an architecture generation algorithm is proposed to generate feasible solutions and to cluster them with regard to a given confidence level threshold. This confidence level is representing the estimation of the uncertainty on the overall system. Estimation of architecture performances are also calculated within the Bayesian network. Once the system architectures are generated, a CSP model optimises the component placement regarding placement constraints and optimisation objectives defined by designers. Software has been developed for the purpose of problem modelling and solutions visualisation. Two industrial implementations yielded in a generation of a high number of architecture solutions. In order to test the feasibility of architecture selection in an industrial environment, a study was conducted integrating four system designers. This study underlined the difficulties in defining architecture selection criteria and provides recommendations for the future system architecture selection support.
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Priddin, Darren George. "Method integration for real-time system design and verification." Thesis, University of York, 1999. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.323689.
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Benson, Stephen Ray. "Modern Digital Chirp Receiver: Theory, Design and System Integration." Wright State University / OhioLINK, 2015. http://rave.ohiolink.edu/etdc/view?acc_num=wright1450737245.
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Zhao, Jun S. M. Massachusetts Institute of Technology. "The IT integration of mergers & acquisitions." Thesis, Massachusetts Institute of Technology, 2006. http://hdl.handle.net/1721.1/35101.
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Thesis (S.M.)--Massachusetts Institute of Technology, System Design and Management Program, 2006.Also issued in pages.
Includes bibliographical references (leaves 113-116).
The role of information systems in mergers and acquisitions (M&A) becomes increasingly important as the need for speed of reaction and information is growing. Mergers and acquisitions may disrupt the operations of the organizations involved. Major issues include the need to integrate personnel, business processes, information systems, and diverse information technologies across the merging organizations. Executives who underestimate or disregard the costs and time associated with merging computer applications, infrastructure or IT organizations will face unpleasant surprises. However, if carefully planned and properly managed, the merger/acquisition and the resulting integration process can become an opportunity to strengthen the capabilities of the combined organization and place it in a better competitive position. The study addresses some of the most important M&A IT planning concepts that executives should know about so that technology-related problems do not delay M&A related business benefits. This study investigates factors that influence the effectiveness of IT integration in M&A.
(cont.) After studying trade journals and examining some cases, I investigated the following: 1. Determine the proper integration approach based on strategic intent of the merger or acquisition and the type of transaction 2. Determine the integration approach based on the business function support level The research is based on cases developed through archival research and field-based interviews. The case study research method allows researchers to gather holistic and meaningful characteristics of real-life events. The research includes the study of trade journals and case studies, and a literature review to understand basic problems and solutions of IT integration under the context of M&A. Then study of trade journals and cases led to the development of a set of research questions that are important to the success of IT integration. Hypotheses are proposed for those research questions based on academic literature review. This was followed by archival analysis of M&A cases to examine and refine the framework.
by Jun Zhao.
S.M.
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Skog, Andersen Lukas. "Integration av Utvecklingsmiljöer för en Främjad Användarupplevelse." Thesis, Luleå tekniska universitet, Institutionen för system- och rymdteknik, 2021. http://urn.kb.se/resolve?urn=urn:nbn:se:ltu:diva-84911.
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Dagens allt mer komplexa utvecklingsmiljöer gör att det blir viktigare att användaren hartillgång till rätt information vid rätt tillfälle. Ett stort problem med dagens utvecklingsmiljöersom används vid utveckling av ärendehanteringssystem är att de ej är integrerade vilket medföratt användaren måste flytta information mellan system manuellt. Den här studien undersöker hur en integrerad utvecklingsmiljö kan designas för att minskamängden information som användaren måste hålla i minnet och där med främjaanvändarupplevelsen. Studien följer metoden design science research methodology. Enförstudie genomförs för att få en tydlig problembild och med resultatet som grund sätts mål uppför en lösning. Arbetet går igenom tre iterationer för att slutligen finna nio designprinciper. Slutsatsen av studien är de nio identifierade designprinciperna. Tre av principerna anses kunnaappliceras i alla typer av system. De andra sex principerna anses endast vara applicerbara ikontexten av en integrerad utvecklingsmiljö. Designprinciperna främjar användarupplevelsengenom att minska mängden information som användaren manuellt behöver hantera.
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Rowles, Craig M. 1962. "System integration analysis of a large commercial aircraft engine." Thesis, Massachusetts Institute of Technology, 1999. http://hdl.handle.net/1721.1/9753.
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Thesis (S.M.)--Massachusetts Institute of Technology, System Design and Management Program, 1999.10912289
Includes bibliographical references (p. 93-94).
In this thesis we develop and demonstrate a method, called a System Integration Analysis, to produce a comprehensive understanding of the activities Integrated Product Teams (IPTs) perform in designing and developing a large complex product or system. The methodology is applied to an existing product or system whose physical architecture can be partitioned into comparable sections, or chunks, as the IPTs who design and develop it. Its goal is to identify specific integrative mechanisms to better align the Integrated Product Development (IPD) process and the organization with the product architecture. These mechanisms are then developed into specific recommendations in consideration of a strategic and tactical framework for achievement of the desired future state of the organization and its IPD process. Implementation of the initiatives is directed to a comprehensive change process defined to address the cultural, structural, and political reality of the company. The methodology uses two distinct applications of a Design Structure Matrix, and several complimentary approaches to the analysis of the data. The methodology is demonstrated with a world-class commercial high bypass-ratio turbofan engine, the Pratt & Whitney PW4098. This product is a derivative design of an existing configuration, or family of engines. Recommendations based upon the PW4098 application include specific interface management and system integration improvements, a minor organizational re-alignment, stronger discipline management, and clearly defined roles and responsibilities of key players.
by Craig M. Rowles.
S.M.
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Krishnaswami, Ram 1966. "System team composition for a complex system to enable integration and attribute management." Thesis, Massachusetts Institute of Technology, 2004. http://hdl.handle.net/1721.1/34799.
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Thesis (S.M.)--Massachusetts Institute of Technology, System Design & Management Program, June 2004."May 2004."
Includes bibliographical references (p. 89).
The automatic transmission is a very complex system in a modern automobile with several hundred components performing mechanical, hydraulic and electronic functions. System integration and attribute management are key challenges in the design and development of an automatic transmission. The system and sub system team structure can play a key part in the success of this development. A properly structured team can enhance the communication between the engineers designing the individual components, ensure that all interfaces between the components are properly managed and appropriate design actions are in place for best in class attributes. This thesis analyzes the current team structure and composition that is in place in the Automatic Transmission Division at Ford Motor Company and offers recommendations to improve the composition to better align the sub system teams with the actual workings of the transmission. The main tool that is used to enable this work is the Design Structure Matrix (DSM). Communication between individual team members is compared to components that physically touch or exchange energy through hydraulic means, or exchange electrical signals and preferred team compositions for effectively engineering these sub systems are proposed. The efficacy of these teams to manage attributes like noise and shift quality is also discussed.
by Ram Krishnaswami.
S.M.
11
Smilowitz, Gary J. "Final design, integration and validation of the PANSAT antenna system." Monterey, Calif. : Springfield, Va. : Naval Postgraduate School ; Available from National Technical Information Service, 1997. http://handle.dtic.mil/100.2/ADA333482.
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Hsu, Chia-Jui. "Dataflow integration and simulation techniques for DSP system design tools." College Park, Md. : University of Maryland, 2007. http://hdl.handle.net/1903/6901.
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Thesis (Ph. D.) -- University of Maryland, College Park, 2007.Thesis research directed by: Electrical Engineering. Title from t.p. of PDF. Includes bibliographical references. Published by UMI Dissertation Services, Ann Arbor, Mich. Also available in paper.
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Petriccione, Gregory James. "Design and integration of a large area warpage measurement system." Thesis, Georgia Institute of Technology, 2000. http://hdl.handle.net/1853/18207.
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Scott, Quincy R. (Quincy Roy) 1978. "SSPARCy : a software integration support and design rationale capture system." Thesis, Massachusetts Institute of Technology, 2001. http://hdl.handle.net/1721.1/86851.
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Thesis (M.Eng.)--Massachusetts Institute of Technology, Dept. of Electrical Engineering and Computer Science, 2001.Includes bibliographical references (leaves 117-119).
by Quincy R. Scott.
M.Eng.
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Schroer, Matthew P. "NPS-SCAT a CubeSat communications system design, test, and integration." Thesis, Monterey, Calif. : Naval Postgraduate School, 2009. http://edocs.nps.edu/npspubs/scholarly/theses/2009/Jun/09Jun%5FSchroer.pdf.
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Thesis (M.S. in Systems Technology (Command, Control, and Communication (C3)) and M.S. in Space Systems Operations)--Naval Postgraduate School, June 2009.Thesis Advisor(s): Newman, James H. "June 2009." Description based on title screen as viewed on 13 July 2009. Author(s) subject terms: Satellite, CubeSat, NPS-SCAT, solar cell tester, communications, antenna patch, dipole antenna, beacon, TT&C, frequency coordination, Navy-Marine Corps Spectrum Center Includes bibliographical references (p. 197-201). Also available in print.
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Seitz, Thomas A. (Thomas Anthony) 1963. "Lean enterprise integration : a new framework for small businesses." Thesis, Massachusetts Institute of Technology, 2003. http://hdl.handle.net/1721.1/82700.
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Thesis (S.M.)--Massachusetts Institute of Technology, System Design & Management Program, 2003.This electronic version was submitted by the student author. The certified thesis is available in the Institute Archives and Special Collections.
Includes bibliographical references (p. 197-199).
by Thomas A. Seitz.
S.M.
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Prudente, Rudy G. 1958. "Strategic outsourcing and supplier integration in the helicopter sector." Thesis, Massachusetts Institute of Technology, 1998. http://hdl.handle.net/1721.1/9751.
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Thesis (S.M.)--Massachusetts Institute of Technology, System Design and Management Program, February 1999.Includes bibliographical references (p. 130-135).
Make-buy decisions, and their associated strategic sourcing activities, define the very identity of £inns, shape their competitive advantage, and determine their long-term survival and success. Conceptually, make-buy decisions reflect a firm's overarching strategic directions and are grounded in its clearly-articulated core competencies. This thesis critically examines two analytical frameworks in the literature that have been advanced to explain or guide make-buy decisions by firms. The case study focuses on a commercial helicopter development program that has prompted the case study firm to undertake a fundamental rethinking of its long-standing make-buy policies, sourcing strategies, and supplier integration practices. The objective of the study is not only to assess the applicability and generalizability of these analytical frameworks but also to gain new insights into the dynamics of make-buy decisions. The thesis also examines the firm's new sourcing strategy, linked to its makebuy decisions, resulting in long-term collaborative and partnering relationships with its significant subsystem suppliers, both domestically and internationally. The ex post case study analysis, concentrating on the nose section of the development helicopter, generally confirmed at a fairly high level the usefulness of applying these analytical frameworks to key make-buy decisions before such decisions are made. However, at a more detailed level of analysis, focusing on specific subsystem components and the pacing technologies underlying them, the analysis also raised sufficiently important issues on whether their outsourcing ("buy" decision) may have been consistent with maintaining the firm's core competencies and longer-term competitive advantage. The analysis also pointed out that higher-level strategic considerations may override make-buy and supply chain design strategies that may be suggested by a technical decomposition of the product system architecture.
by Rudy G. Prudente.
S.M.
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Kalta, Mohamad. "Integration of computer aided process planning with a commercial CAD system." Thesis, University of Manchester, 1991. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.303121.
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Barretto, Eduardo F. 1971. "Managing the integration of technology into the product development pipeline." Thesis, Massachusetts Institute of Technology, 2005. http://hdl.handle.net/1721.1/34822.
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Thesis (S.M.)--Massachusetts Institute of Technology, System Design & Management Program, 2005.Includes bibliographical references (p. 128-131).
Managing the integration of technology is a complex task in any industry, but especially so in the highly competitive automotive industry. Automakers seek to develop plans to integrate technology into their products such that they deliver significant value to the customer. These plans and their implementation are critical to achieving success in the marketplace. This thesis proposes a framework for developing and implementing technology integration plans using the systematic application of specific "building blocks". The "building blocks" are developed through specific technology integration case studies at an automotive manufacturer, and further validated by studying other auto manufacturers. While the current technology integration process at the main automotive manufacturer studied is somewhat structured, the process seems inadequate, as significant issues with the strategy and implementation diminish its effectiveness. There are many building blocks that can help define and implement a strategy for technology integration, but which ones to focus on and how to apply them is not well defined. The proposed solution for developing a comprehensive technology integration process and applying it systematically, focuses on five key building blocks. Each of the building blocks is applied through a holistic lens, and is designed to enhance the technology integration process. The proposed methodology can be a complement to an existing process, or can be used to create a new technology integration process. The methodology combines known system engineering and change management frameworks and principles. Analyzing the current technology integration processes at a few automotive manufacturers and contrasting them with the proposed technology integration
(cont.) approach leads to several conclusions. The technology integration framework provides a valuable and comprehensive method to evaluate the current technology integration process. Each step in the technology integration framework serves to strengthen the technology integration process and is aimed at making it more consistent and successful. Furthermore, the framework as a whole, contributes to alignment within the organization, helping to ensure objectives at the staff level are matched to the corporate strategy.
by Eduardo F. Barretto.
S.M.
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Duh, J. C. (Jen Chow) 1958. "Strategic planning and integration of NASA Earth Science Technology Program." Thesis, Massachusetts Institute of Technology, 2002. http://hdl.handle.net/1721.1/91758.
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Bravo, Michael H. 1959. "Achieving supplier integration through implementation of supplier managed inventory programs." Thesis, Massachusetts Institute of Technology, 1999. http://hdl.handle.net/1721.1/9746.
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Thesis (S.M.)--Massachusetts Institute of Technology, System Design and Management Program, 1999."February 1999."
Includes bibliographical references (p. 116-118).
Competitive market pressures and new dynamics in manufacturer-supplier relationships have led to the development of collaborative initiatives between manufacturers and suppliers that result in improved inventory management and material ordering practices. While these types of initiatives are known by different names in different industries, "vendor managed inventory'' (VMI) and "supplier managed inventory" (SMI) are designations typically used in traditional industrial settings. Similar programs have been successful in retail and grocery environments. This research seeks to determine the appropriateness of supplier managed inventory programs for use in industrial settings and the conditions under which their use offers significant benefits. A review of current literature regarding collaborative manufacturer-supplier initiatives is conducted as well as interviews with fifteen industrial companies regarding their experience with supplier managed inventory programs. Just-in-time (JIT) production and change management emerge as key supporting elements of an SMI initiative and are also discussed. The results from this research show that supplier managed inventory programs are being utilized in many different industrial settings with positive results. These results include improved inventory turns, higher service levels, reduced operating costs and mutually beneficial manufacturer-supplier partnerships. Benefits may vary between manufacturer and supplier companies. This research documents significant benefits associated with the implementation of SMI programs. A framework for implementing an SMI program is also provided.
by Michael H. Bravo.
S.M.
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Mathaikutty, Deepak Abraham. "Metamodeling Driven IP Reuse for System-on-chip Integration and Microprocessor Design." Diss., Virginia Tech, 2007. http://hdl.handle.net/10919/29598.
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This dissertation addresses two important problems in reusing intellectual properties (IPs) in the form of reusable design or verification components. The first problem is associated with fast and effective integration of reusable design components into a System-on-chip (SoC), so faster design turn-around time can be achieved, leading to faster time-to-market. The second problem has the same goals of faster product design cycle, but emphasizes on verification model reuse, rather than design component reuse. It specifically addresses reuse of reusable verification IPs to enable a "write once, use many times" verification strategy. This dissertation is accordingly divided into part I and part II which are related but describe the two problems and our solutions to them.
These two related but distinctive problems faced by system design companies have been tackled through a unique approach which hither-to-fore only have been used in the software engineering domain. This approach is called metamodeling, which allows creating customized meta-language to describe the syntax and semantics for a modeling domain. It provides a way to create, transform and analyze domain specific languages, which are themselves described by metamodels, and the transformation and processing of models in such languages are also described by metamodels. This makes machine based interpretation and translation from these models an easier and formal task.
In part I, we consider the problem of rapid system-level model integration of existing reusable components such that (i) the required architecture of the SoC can be expressed formally, (ii) automatic selection of components from an IP library to match the need of the system being integrated can be done, (iii) integrability of the components is provable, or checkable automatically, and (iv) structural and behavioral type systems for each component can be utilized through inferencing and matching techniques to ensure their compatibility. Our solutions include a component composition language, algorithms for component selection, type matching and inferencing algorithms, temporal property based behavioral typing, and finally a software system on top of an existing metamodeling environment.
In part II, we use the same metamodeling environment to create a framework for modeling generative verification IPs. Our main contributions relate to INTEL's microprocessor verification environment, and our solution spans various abstraction levels (System, architectural, and microarchitecture) to perform verification. We provide a unified language that can be used to model verification IPs at all abstraction levels, and verification collaterals such as testbenches, simulators, and coverage monitors can be generated from these models, thereby enhancing reuse in verification.Ph. D.
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Rosa, Maiara. "Characterizing design thinking towards integration with product-service system development process." Universidade de São Paulo, 2017. http://www.teses.usp.br/teses/disponiveis/18/18156/tde-08032017-104519/.
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Many companies have been trying to shift their business core from offering products to offer product-service systems (PSS), what requires not only a shift in the business model, but also in the culture and mindset. Using user-centered methods to support the PSS development process is a way to support this shift and to enhance perceived value of PSS offerings. One possible approach to support PSS development on becoming more user-centered is design thinking (DT). It is a user-centric approach used by many leader enterprises to support innovation and described by several methodologies with practical focus. However, it is not clear in literature how to integrate DT and development process models already used by companies, leading to cases where practitioners may replace complete phases, or even the whole development process, by DT. This replacement does not seem appropriate, since DT may lack aspects that are considered by PSS development processes. The main objective of this work is to identify how the DT approach can be applied in PSS development processes. The methodology of this research combines the following methods: case research, corpus linguistics, frame semantics and matrix-based methods. One of the results of this work is the characterization of DT based on the linguistic analysis, which was derived from content extracted from more than 1500 pages of 8 DT methodologies. This analysis resulted in 46 recurrent activities, associated with 458 specific guidelines, and the identification of 182 relevant activities that synthetize the DT methodologies. Those activities were compared to 14 PSS development process models from literature, concluding, among other findings, that DT cannot replace the PSS design process models, and that the compatibility for integration of DT into PSS development process models is greater on the front-end of innovation (FEI). FEI activities from 14 PSS and 7 product development process models were compared with DT recurrent and relevant activities to provide understanding on how DT can be integrated into PSS development process models. Finally, the findings of this last comparison led to the creation of a 4-step method for integrating DT into PSS development process models based on activities similarity.Diversas empresas têm tentado migrar da oferta de produtos para a oferta de sistemas produto-serviço (PSS), o que requer uma mudança não só do modelo de negócios, como também da cultura e da mentalidade. Utilizar métodos centrados no usuário é uma forma de auxiliar nessa mudança cultural e no aumento de valor percebido do PSS ofertado. Uma abordagem capaz de apoiar o processo de desenvolvimento (PD) de PSS em se tornar mais centrado no usuário é o design thinking (DT). Trata-se de uma abordagem centrada no usuário utilizada por diversas empresas de sucesso para apoiar a inovação e descrita por várias metodologias de foco prático. No entanto, não está claro na literatura como DT pode ser integrado a modelos de PD já utilizados pelas empresas, levando a casos onde fases, ou mesmo todo o PD, são substituídos por completo pelo DT. Essa substituição não parece apropriada, dado que DT pode não conter aspectos considerados pelos PDs de PSS. O principal objetivo deste trabalho é identificar como a abordagem do DT pode ser aplicada nos PDs de PSS. A metodologia desta pesquisa combina os seguintes métodos: estudo de caso, linguística de corpus, semântica de frames, e métodos baseados em matrizes. Um dos resultados deste trabalho é a caracterização do DT baseada em análise linguística, a qual foi derivada do conteúdo de mais de 1500 páginas de 8 metodologias de DT. Essa análise resultou em 46 atividades recorrentes, associadas com 458 diretrizes específicas, e a identificação de 182 atividades relevantes que sintetizam as metodologias de DT. Essas atividades foram comparadas a 14 modelos de PD de PSS da literatura, concluindo, entre outros achados, que o DT não é capaz de substituir o PD de PSS, e que a compatibilidade para integração do DT ao PD de PSS é maior no front-end da inovação (FEI). Atividades do FEI de 14 modelos de PD de PSS e 7 de produto foram comparadas com as atividades relevantes e recorrentes do DT para prover o entendimento em como o DT pode ser integrado aos modelos de PD de PSS. Finalmente, as conclusões dessa última comparação levaram à criação de um método de quatro passos para integração do DT aos modelos de PD de PSS, baseado na similaridade das atividades.
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Kim, Yong-Suk 1975. "A system complexity approach for the integration of product development and production system design." Thesis, Massachusetts Institute of Technology, 1999. http://hdl.handle.net/1721.1/9418.
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Thesis (S.M.)--Massachusetts Institute of Technology, Dept. of Mechanical Engineering, 1999.Includes bibliographical references (p. 123-129).
Complexity is generally believed to be one of the main causes of present difficulties in plant design and control. The complexity of a manufacturing system cannot be viewed without considering the products produced in the system. Lack of understanding in this relationship may lead to difficulties in product portfolio design and manufacturing system design. In this thesis, it is shown that by designing a manufacturing system properly, we can manage increased product variety while simultaneously eliminating system complexity. In addition, this thesis explains how 'lean' concepts eliminate system complexity. To see and compare complexity of manufacturing systems, complexity metrics are developed based on a complexity model provided by system theory. These metrics focus on sources of complexity to facilitate system improvements in terns of system complexity. With these metrics, a case study was carried out to apply these complexity metrics to a real industry case. In this case study, a lean manufacturing system that substitutes the existing mass-type manufacturing system is proposed and the impacts of this conversion on manufacturing system complexity are studied. According to this case study, the complexity of the proposed lean production system is much less than the complexity of the existing system in terns of proposed complexity metrics. Once the complexity of a manufacturing system is well understood, the manufacturing system can be designed to decrease complexity. In addition, product families can be designed for manufacturing systems and detailed product designs for manufacturing systems are possible.
by Yong-Suk Kim.
S.M.
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Solodilova-Whiteley, I. "A design strategy for human-system integration in aerospace : where to start and how to design information integration for dynamic, time and safety critical systems." Thesis, University of Bath, 2005. https://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.428372.
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The aim of this research is to develop a framework that provides systemic design guidance for future interfaces that are to provide effective and cognitively suitable information presentation to operators in dynamic and time-critical domains. The aerospace domain has been chosen as the focus for this study. In the aerospace domain there are numerous reported accidents where contributory factors are attributed to pilots’ misunderstanding of automated system configurations, and pilots’ misinterpretation of system behaviour. These problems have occurred as rapid advances in technology have led to an overabundance of ‘useful’ information being presented to the pilot. Currently, the information presented to pilots is often disjointed and distributed across various interfaces where each interface is based on its own design rationale. This creates problems where the pilot either cannot locate information in a timely manner, or misinterprets the available information. There is a need for a systematic design process that deals with meaningfully presenting the abundance of features and interactions of the new technology introduced into the cockpit through the use of existing domain knowledge, structures and strategies drawn from existing pilot training and experience. The thesis is a case study. It shows how a new systematic interface design guidance process was developed by first identifying effective information presentation directly from airforce and airline pilots in their time-critical working environment conducted through observational and empirical studies. The studies provided answers for research questions that were concerned with finding appropriate information presentations for pilots. This resulted in a framework that serves as a guide for the interface designer on how to arrive at, structure and present information to an operator in a cognitively efficient manner. The thesis demonstrates two applications of the design framework, one of which is then evaluated by pilots who demonstrate significantly improved speed and accuracy performance when compared to conventional alphanumerical displays. The applications and limitations of the framework are also discussed.
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Sinha, Ray Amitava. "Adapting the building system integration method to portray architectural organizations." Thesis, Texas A&M University, 2003. http://hdl.handle.net/1969.1/564.
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This thesis primarily deals with the adaptation of a theory from one context and its application in another context. In this case the "building systems integration theory" which has been introduced in the context of buildings, in the book Building Systems Integration Handbook (Rush, 1986), is adapted to the context of architectural organizations. The hypothesis of this research is that "building system integration principles can be applied to architectural business organizations." Building system integration theory defines four fundamental systems within buildings and five levels of integration ranging from unified to remote. It further defines an abstract two dimensional diagrammatic language that is referred to as a "ball diagram" for portraying the system integration within a building. Using the building system as an analogue to organizational structure, I have redefined the five levels of integration in the vocabulary of an organization and formulated seven systems in an organization on the basis of my literature review. I surveyed five prominent architectural firms in Texas (three Matrix organizations, and two Studio organizations) and discussed their project handling methods with their principals in charge, with the intention of investigating the degree of contact between personnel, their meeting patterns, and the reporting structure. This has helped me to identify the levels of integration between systems in each organization and eventually represent the working process of these firms using the diagrammatic language introduced in BSIH. The resulting diagrams, which primarily represent the production/ delivery segment of the organizations, reveal organizational structures during the project cycle as well as certain characteristics of a Matrix or Studio. Due to the limited scope of the survey done initially, some shortcomings were noticed in the diagramming method including the absence of any representation of the client and the user in the diagrams. Despite certain shortcomings owing to the scale of the investigation, it is felt that the diagramming method portrayed here is a novel yet effective idea to represent organizations and the levels of integration between systems in an organization that contributes to the production of a cohesive organizational design theory.
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Shi, Jianlin. "Model and tool integration in high level design of embedded system /." Stockholm : Maskinkontruktion, Kungliga Tekniska högskolan, 2007. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-4589.
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Tholander, Oscar. "System design for integration of faultisolation and recording tool for airplanes." Thesis, Linköpings universitet, Programvara och system, 2013. http://urn.kb.se/resolve?urn=urn:nbn:se:liu:diva-110632.
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This thesis investigates the possibilities to design enterprise software after the REST architectural style and also look into how these kinds of systems can be developed using the .NET 4.0 Framework, Windows Communication Foundation (WCF) and EntityFramework 4.0. The thesis will in detail go through how to design the database abstraction to transferring the database content over a network, encoded with JSON to a client. The proposed solution is a viable way of designing network based software and is quite simple to implement when you get you head around the concepts of REST. The future in developing REST based applications is getting better and easier in the .NET Framework with added and improved support for in newer releases of the framework.
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Adler, Gustav Adolf. "Design and system integration of a rim jet solution utilizing DFMA." Thesis, KTH, Integrerad produktutveckling, 2020. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-281948.
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Moving a new innovative idea from the drawing board to production is no easy feat. The Swedish sea rescue society (SSRS) has for the past years fostered a new design solution for their jet skis, a alternative water jet that removes the centre hub and utilises rim drive technology. The "Rim Jet" would help solve problems during rescue operations while at the same time be a starting point for SSRS zero-emission vision. To make this idea reality a first prototype is necessary for a proof of concept. Previous work on this project, conducted by three master students, resulted in a design that lacked feasibility. Through the implementation of Design for manufacture and Assembly (DFMA) on the rim jet a new itteration of the design is proposed. A practical and case based analysis of the DFMA method on a novel, non mass produced prototype was preformed discussing its advantages and disadvantages to generate a feasible, lighter, simpler and more cost efficient design. Complementing the redesign of the rim jet is a complete systems analysis of the jet ski including battery evaluation, systems integration and initial testing procedures. The final rim jet design illustrates the benefits of utilising DFMA within small, single product, projects. Implementing core elements of DFMA has proven to generate similar positive effects as intended for serial mass produced products normally associated with method.Att föra en ny innovativ idé från ritbordet till produktion är ingen arbiträr process. Det Svenska Sjöräddningssamhället (SSRS) har under de senaste åren fostrat en ny designlösning till sina vattenskoter, en alternativ vattenjet som eliminerar centrumnavet och använder rim-drive teknologi. Rim Jetenskulle hjälpa till att lösa problem under räddningsoperationer samtidigt som den kan agera som utgångspunkt för SSRS-nollutsläppsvission. För att förverkliga denna idé är en första prototyp nödvändig för att bevisa om konceptet kan fungera. Tidigare arbete med detta projekt, genomfört av tre masterstudenter, resulterade i en design som ej gick att tillverka. Genom implementeringen av Design for manufacture and Assembly (DFMA) på rimjeten kan en ny designiteration läggas fram. En praktisk och fallbaserad analys av DFMA-metoden på en ny, icke massproducerad, prototyp genomfördes och dess fördelar och nackdelar diskuteras för att skapa en genomförbar, lättare, enklare och mer kostnadseffektiv design. Som komplement till den nya designen kompletteras även arbetet med en en fullständig systemanalys av vettenskootern relaterat till betterilösning, systemintegration och initiala testutföranden. Den slutliga rim jet designen illustrerar fördelarna med att använda DFMA inom små, enskilda produktprojekt. Implementeringen av kärnelement från DFMA har påvisat liknande positiva effekter som avsedda för serieproducerade produkter som normalt är associerade med metoden.
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Cirimele, Vincenzo. "Design and Integration of a Dynamic IPT System for Automotive Applications." Thesis, Université Paris-Saclay (ComUE), 2017. http://www.theses.fr/2017SACLS032/document.
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La transmission inductive de puissance (IPT) pour les véhicules électriques est une technologie émergente prometteuse qui semble capable d'améliorer l'acceptation de la mobilité électrique. Au cours des deux dernières décennies, de nombreux chercheurs ont démontré la faisabilité et la possibilité de l'utiliser pour remplacer les systèmes conducteurs classiques pour la charge de la batterie à bord du véhicule. Actuellement de nombreux efforts visent à étendre la technologie IPT vers son utilisation pour la charge pendant le mouvement du véhicule. Cette application, généralement appelée IPT dynamique, vise à surmonter la limite représentée par les arrêts prolongés nécessaires pour la recharge introduisant également la possibilité de réduction de la capacité de la batterie installée à bord du véhicule. Un système IPT est essentiellement basé sur la résonance de deux inducteurs magnétiquement couplés, l'émetteur, placé sur ou sous le sol, et le récepteur, placé sous le plancher du véhicule. La gamme de fréquence de fonctionnement typique pour les applications automobiles va de 20 kHz à environ 100 kHz. Le couplage entre les deux inductances s'effectue à travers un entrefer important, généralement d'environ 10-30 cm. Cette thèse présente les résultats des activités de recherche visant à la création d'un prototype pour l'IPT dynamique orienté vers le transport privé. A partir d'une analyse de l'état de l'art et des projets de recherche en cours dans ce domaine, ce travail présente le développement d'un modèle de circuit capable de décrire les phénomènes électromagnétiques à la base du transfert de puissance et l'interface avec l'électronique de puissance. Les analyses effectuées à travers le modèle développé fournissent la base pour la conception et la mise en œuvre d'un convertisseur dédié à faible coût et efficacité élevée pour l'alimentation du côté transmetteur. Une architecture générale de l'électronique de puissance qui gère le côté récepteur est proposée avec les circuits de protection supplémentaires. Une méthodologie pour la conception intégrée de la structure magnétique est illustrée. Cette méthodologie couvre les aspects de l'interface avec l'électronique de puissance, l'intégration sur un véhicule existant et l'installation sur l'infrastructure routière. Une série d'activités visant à la réalisation d'un site d'essai dédié sont présentées et discutées. En particulier, les activités liées à la création de l'infrastructure électrique ainsi que les questions et les méthodes d'implantation des émetteurs dans le revêtement routier sont présentées. L'objectif final est la création d'une ligne de recharge IPT dédiée de 100 mètres de long. Enfin, une méthodologie d'évaluation de l'exposition humaine est présentée et appliquée à la solution développéeInductive power transmission (IPT) for electric vehicles (EVs) is a promising emergent technology that seems able to improve the electric mobility acceptance. In the last two decades many researchers have proved its feasibility and the possibility to use it to replace the common conductive systems for the charge of the on-board battery. Many efforts are currently aimed to extend the IPT technology towards its use for the charge during the vehicle motion. This application, commonly indicated as dynamic IPT, is aimed to overcome the limit represented by the long stops needed for the recharge introducing also the possibility of reducing the battery capacity installed on vehicle. An IPT system is essentially based on the resonance of two magnetically coupled inductors, the transmitter, placed on or under the ground, and the receiver, placed under the vehicle floor. The typical operating frequency range for the EVs application goes from 20 kHz to approximately 100 kHz. The coupling between the two inductors takes place through a large air-gap, usually about 10-30 cm. This thesis presents the results of the research activities aimed to the creation of a prototype for the dynamic IPT oriented to the private transport. Starting from an analysis of the state of the art and the current research projects on this domain, this work presents the development of a circuit model able to describe the electro- magnetic phenomena at the base of the power transfer and the interface with the power electronics. This model provides the information at the base of the design and the implementation of a dedicated low cost-high efficiency H-bridge converter for the supply of the transmitter side. A general architecture of the power electronics that manages the receiver side is proposed together with the additional protection circuits. A methodology for the integrated design of the magnetic structure is illustrated covering the aspects of the matching with the power electronics, the integration on an existing vehicle and the installation on the road infrastructure. A series of activities aimed to the implementation of a dedicated test site are presented and discussed. In particular, the activities related to the creation of the electrical infrastructure and the issues and methods for the embedding of the transmitters in the road pavement are presented. The final goal is the creation of a dedicated IPT charging line one hundred meters long. Finally, a methodology for the assessment of the human exposure is presented and applied to the developed solution
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Blackmore, Kathleen M. (Kathleen Marie) 1971, and Kelly L. 1969 Zechel. "Business model and system architecture integration for development of new product features." Thesis, Massachusetts Institute of Technology, 2003. http://hdl.handle.net/1721.1/91784.
Full textAbstract:
Thesis (S.M.)--Massachusetts Institute of Technology, System Design & Management Program, February 2003."January 2003."
Includes bibliographical references.
by Kathleen M. Blackmore and Kelly L. Zechel.
S.M.
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Zhao, Yue. "The integration of CAD and a knowledge based cutting tools selection system." Thesis, University of Sheffield, 1997. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.267191.
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Brunner, Ralf. "Design of external interfaces for the integration of a generic logistics and distribution centre with associated systems." Thesis, University of Sunderland, 1994. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.241021.
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Le, Dantec Jorge I. (Jorge Ignacio). "Assessing business models arising from the integration of distributed energy systems in the Chilean electric power system." Thesis, Massachusetts Institute of Technology, 2014. http://hdl.handle.net/1721.1/90714.
Full textAbstract:
Thesis: S.M. in Engineering and Management, Massachusetts Institute of Technology, Engineering Systems Division, System Design and Management Program, 2014.Cataloged from PDF version of thesis.
Includes bibliographical references (pages 83-84).
Electric power systems are more than just networks of generation, transmission and distribution assets. They are socio-technical systems, involving regulation, markets and technology availability. Presently, the dynamic relation among these aspects is creating new consumer needs in many power systems around the world, which incumbent electricity utilities do not seem well suited to meet at the required pace. In this context, the integration of Distributed Energy Systems (DESs) and their related business models appears as a flexible and often more affordable option to deliver value, by fulfilling the unmet needs of both consumers and utilities. To advice Chilean electric power system's stakeholders about the adequacy of a set of DES-related business models to Chilean needs, this document presents a systematic analysis, which focuses on the interrelation between business model attributes, involved DES technologies, and stakeholder needs. Specifically, an analytic framework is developed and applied to some business models currently operative in other markets, measuring their adequacy to meet stakeholders' needs in a set of envisioned scenarios of Chile's power system. This work provides a systematic tool for decision-making processes in selecting business models, when the decision must be made with qualitative data. Moreover, the evaluation in the Chilean system of actual business models shows results that should be valuable for consumers, utilities, and regulators.
by Jorge I. Le Dantec.
S.M. in Engineering and Management
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Johnson, Christopher William. "A principled approach to the integration of human factors and systems engineering for interactive control system design." Thesis, University of York, 1992. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.306489.
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Germann, Nicholas M. "A Furniture Based Living System." University of Cincinnati / OhioLINK, 2009. http://rave.ohiolink.edu/etdc/view?acc_num=ucin1243174721.
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Jones, David. "THE INTEGRATION OF AUDIO INTO MULTIMODAL INTERFACES: GUIDELINES AND APPLICATIONS OF INTEGRATING SPEECH, EARCONS, AUDITORY ICONS." Master's thesis, University of Central Florida, 2005. http://digital.library.ucf.edu/cdm/ref/collection/ETD/id/3788.
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The current research is directed at providing validated guidelines to direct the integration of audio into human-system interfaces. This work first discusses the utility of integrating audio to support multimodal human-information processing. Next, an auditory interactive computing paradigm utilizing Speech, Earcons, Auditory icons, and Spatial audio (SEAS) cues is proposed and guidelines for the integration of SEAS cues into multimodal systems are presented. Finally, the results of two studies are presented that evaluate the utility of using SEAS cues, developed following the proposed guidelines, in relieving perceptual and attention processing bottlenecks when conducting Unmanned Air Vehicle (UAV) control tasks. The results demonstrate that SEAS cues significantly enhance human performance on UAV control tasks, particularly response accuracy and reaction time on a secondary monitoring task. The results suggest that SEAS cues may be effective in overcoming perceptual and attentional bottlenecks, with the advantages being most revealing during high workload conditions. The theories and principles provided in this paper should be of interest to audio system designers and anyone involved in the design of multimodal human-computer systems.M.S.
Department of Industrial Engineering and Management Systems
Engineering and Computer Science
Industrial Engineering and Management Systems
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Brittle, John P. "Passive system integration for office buildings in hot climates." Thesis, Loughborough University, 2017. https://dspace.lboro.ac.uk/2134/23912.
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Passive ventilation and cooling systems can offer energy savings when combined into a mechanical ventilation and cooling strategy for office buildings. At early design stages, it is difficult to predict actual energy savings as current design and calculation tools are limited and do not allow assessment for energy reductions when attempting to use typical passive options such as solar chimneys, rain screen facades, ventilated double facades, passive downdraught evaporative cooling and earth ducts. The only passive systems that are directly incumbent to dynamic thermal modelling software are natural ventilation and external solar shading. Currently, impacts of passive systems on annual building energy performance is unclear and lacks clarity. In hot climates, this is even more problematic as buildings need to endure higher external temperatures and solar irradiation. Understanding minimal energy performance reductions for each passive system can aid with design decisions regarding building ventilation and cooling strategies. The aim of this study is to investigate how existing passive ventilation and cooling system design and operational strategies can be improved to reduce mechanical ventilation and cooling energy consumption for commercial buildings in hot climates. Theoretical commercial building models are created using dynamic thermal simulation software to determine minimum mechanical ventilation and cooling energy values, which are verified against published bench marks, known as base case models. These base case models are simulated using weather data from four different hot climates (Egypt, Portugal, Kenya and Abu Dhabi). Impacts of passive system energy performance are afforded by using either dynamic thermal simulation or fundamental steady state analysis identifying approximate passive ventilation and cooling potentials for reducing mechanical energy. These percentage reductions are created based upon passive system parameters and weather data, using appropriate methodology. From these findings new simplified design guidelines, integration strategies and performance design tools are created including a new passive system energy assessment tool (PSEAT) using Microsoft Excel platform to ensure that a wider audience can be achieved in industry. The design guidance and integration strategies are developed and simplified to enable architects, building services engineers and alike, to apply with speed and accuracy influencing the design process and improve confidence in desired passive solution.
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Xiao, Yujun (Yujun Eugene). "The integration of international supply chain management and E-business." Thesis, Massachusetts Institute of Technology, 2006. http://hdl.handle.net/1721.1/35117.
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Thesis (S.M.)--Massachusetts Institute of Technology, System Design and Management Program; and, (S.M. in Ocean Systems Management)--Massachusetts Institute of Technology, Dept. of Mechanical Engineering, 2006.Includes bibliographical references (p. 104-105).
Internet technology has changed this world rapidly in the past decade. The influence of E-business on the economy and business practice has been tremendous. The focus of many companies has been on improving the extended enterprise transactions including Business-to Customer (B2C) and Business-to-Business (B2B). Facing this shift in corporate focus, more and more companies realize the importance of supply chain management in the global E-business environment. The purpose of this thesis is to understand the relationship between supply chain management and E-business, especially from international point of view. The analysis started from the review of supply chain management and E-business, further continued on the strategic impact of E-business on supply chain management and discussed the associate issues during the integration of E-business and supply chain. Finally, some future opportunities will be introduced to illustrate new developments in the E-supply chain environment, especially for small business.
by Yujun (Eugene) Xiao.
S.M.in Ocean Systems Management
S.M.
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Kumar, Dhiraj. "Concept design, analysis, and Integration of the new U.P.C. multispectral lidar system." Doctoral thesis, Universitat Politècnica de Catalunya, 2012. http://hdl.handle.net/10803/124840.
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The increasing need for range-resolved aerosol and water-vapour atmospheric observation networks worldwide has given rise to multi-spectral LIDARs (Light Detection and Ranging, a synonym of laser radar) as advanced remote sensing sensors.
This Ph.D. presents the design, integration and analysis of the new 6-channel multispectral elastic/Raman LIDAR for aerosol and water-vapour content monitoring developed at the Remote Sensing Lab. (RSLAB) of the Universitat Polit ecnica de Catalunya (UPC). It is well known that the combination of at least three elastic and two Raman nitrogen channels are su cient to enable retrieval of the optical and microphysical properties of aerosols with a key impact on climate change variables. The UPC lidar is part of the EARLINET (European Aerosol Research Lidar Network) -GALION (Global Atmospheric Watch Atmospheric Lidar Observation Network), a ground-based continental network including more than 28 stations. Currently, only 8 of the 28 EARLINET stations are of such advanced type. This Ph.D. speci cally focuses on: (1) Concept link-budget instrument design and overlap factor assessment. The former includes opto-atmospheric parameter modelling and assessment of backscattered power and SNR levels, and maximum system range for the di erent reception channels (3 elastic, and 2 aerosol and 1 water-vapour Raman channels, ultraviolet to near-infrared bands). The latter
studies the laser-telescope crossover function (or overlap function) by means of a novel raytracing Gaussian model. The problem of overlap function computation and its near-range sensitivity for medium size aperture (f=10, f=11) bi-axial tropospheric lidar systems using both detector and ber-optics coupling alternatives at the telescope focal-plane is analysed using this new ray-tracing approach, which provides a much simpler solution than analyticalbased methods. Sensitivity to laser divergence, eld-lens and detector/ ber positions, and ber's numerical aperture is considered.
(2) Design and opto-mechanical implementation of the 6-channel polychromator (i.e., the spectrally selective unit in reception). Design trade-o s concerning light collimation, end-to-end transmissivity, net channel responsivity, and homogeneous spatial light distribution onto the detectors' active area discussed.
(3) System integration and validation. This third part is two fold: On one hand, fi rst-order backscatter-coe cient error bounds (a level-1 data product) for the two-component elastic lidar inversion algorithm are estimated for both random (observation noise) and systematic error sources (user's uncertainty in the backscatter-coe cient calibration, and user's uncertainty in the aerosol extinction-to-backscatter lidar ratio). On the other hand, the multispectral lidar so far integrated is described at both hardware and control software level. Statistical validation results for the new UPC lidar (today in routine operation) in the framework of SPALI-2010 intercomparison campaign are presented as part of EARLINET quality assurance / optimisation of instruments' program.
The methodology developed in the rst part of this Ph.D. has successfully been applied to the speci cation case study of the IFAE/UAB lidar system, which will be installed and operated at the Cherenkov Telescope Array (CTA) observatory. Finally, specs for automated unmanned unattended lidar operation with service times close to 365/24 are presented at the end of this Ph.D. in response to the increasing demand for larger observation times and
availability periods of lidar stations.
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Swarna, Ravindra Babu Surveying & Spatial Information Systems Faculty of Engineering UNSW. "Ultra-tight integration of GPS/Pseudolites/INS: system design and performance analysis." Awarded by:University of New South Wales, 2006. http://handle.unsw.edu.au/1959.4/40075.
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The complementary advantages of GPS and INS have been the principle driving factor to integrate these two navigation systems as an integrated GPS/INS system in various architectural forms to provide robust positioning. Although the loosely coupled and tightly coupled GPS/INS systems have been in existence for over a decade or two and performed reasonably well, nevertheless, the tracking performance was still a concern in non-benign environments such as dynamic scenarios, indoor environments, urban areas, under foliages etc., where the GPS tracking loops lose lock due to the signals being weak, subjected to excessive dynamics or completely blocked. The motivation of this research, therefore, was to address these limitations with an integrated GPS/Pseudolite/INS system using ultra-tight integration architecture. The main research contributions are summarised as below: (a) The performance of the tracking loops in dynamic scenarios were analysed in detail with both conventional and ultra-tight software receivers. The stochastic modelling of the INS-derived Doppler is of utmost importantance in enhancing the benefits of ultra-tight integration, and therefore, two popular stochastic techniques??? Gauss Markov (GM) and Autoregressive (AR), were investigated to model the Doppler signal. The simulation results demonstrate that the AR method is capable of producing better accuracies and is more efficient. The algorithms to determine the AR parameters (order and coefficients) were also provided. (b) The various mathematical relationships that elicit the understanding of the ultra-tightly integrated system were derived in detail. The Kalman filter design and its implementation were also provided. Various simulation and real-time experiments were conducted to study the performance of the filter, and the results confirm the underlying assumptions in the theoretical analyses and the mathematical derivations. Covariance analysis was also performed to study the convergence and stability effects of the filter. (c) Interpolator design using signal processing techniques were proposed to increase the sampling rate of the INS-derived Doppler. To efficiently realise the interpolator transfer function, two optimal techniques were investigated ??? Polyphase and Cascaded Integrator Comb (CIC), and our results show that CIC was more efficient than polyphase in accuracy and real-time implementations. (d) The integration of Pseudolites (PL) with INS in ultra-tight configuration was analysed for an indoor environment. The acquisition and tracking performances of ???Pseudolites-only??? and ???Pseudolite/INS??? modes were compared to study the impact of the inertial signals aiding. The results demonstrate that aiding of the inertial signals with the baseband loops (acquisition and tracking) improve the overall tracking performance. An overview on the effects of the pseudolite signal propagation is also given. (e) Simulation and real-time experiments have been conducted to evaluate the proposed algorithms and the overall design of the ultra-tightly integrated system. A comparison was also done between GPS/PL/INS and GPS/INS integrated systems to study the potential advantages of the pseudolite integration. The details of the field experiment are provided. The data from a real-time experiment was processed to further evaluate the robustness of the system. The results confirm that the developed mathematical models and algorithms are correct.
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Huang, Qi. "Development of a PKM control system : by design, modelling, simulation and integration /." Stockholm, 2001. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-3138.
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Mortensen, Cody K. "NPS-SCAT communications system : design, test, and integration of NPS' first CUBESAT." Thesis, Monterey, California. Naval Postgraduate School, 2010. http://hdl.handle.net/10945/5107.
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Wang, Chen-Fa, and 王春發. "GPS/INS System Design and Integration." Thesis, 2009. http://ndltd.ncl.edu.tw/handle/86022172394154168686.
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碩士中華大學
機械工程學系碩士班
97
The purpose of this research is by using DSP and sensors(GPS and IMU, GIMU) with Kalman Filter to carry out the integration of vehicle navigation system design. The GIMU consists with three gyroscopes, three accelerometer and GPS receiver. The system is implemented with loosely-coupled Kalman filter of lower order computation requirement. In addition, this research developed a program program by using GPS and Kalman Filter, which can evaluate the performance of Kalman Filter.
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Tsai, Shang-Te, and 蔡尚德. "Creative Design Resource Integration Model:Q-Version Comic Design System." Thesis, 2015. http://ndltd.ncl.edu.tw/handle/wv634p.
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博士國立臺灣科技大學
資訊管理系
103
The development and application of the Internet technology in recent years has led to the development of design industries related to the digital content industry and the development of cultural and creative industries. The present study aims to design resources to create a desired shape through an analysis of the design and planning of a resource integration mode architecture implement the integration of the related systems development resources, bringing together designers and design resources analyze the Q-Version of cartoon character design, modeling these design resources and develop a Q-Version comic styling ratio algorithm formula, by modeling the resources directly related to the design in accordance with the proportions of the Q-Version of the design. In this study, the design of the implemented resource integration system with respect to an open architecture modular design can be easily with other system platform integration-related functions, such as Internet forum emoticons, instant messaging software modeling, and texture. This study brings together designers who share a wide range of communication design resources available for the development or integration of digital content, and also the development of cultural and creative industries, such as the development of online map market modeling or the custom creative characteristics of commodity markets to achieve a pluralistic system integration platform. It also enables sharing design resources in the resource integration mode.
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Kiettrisalpipop, Voranon. "CytoSensor : system integration and human interface design." Thesis, 2003. http://hdl.handle.net/1957/31526.
Full textAbstract:
CytoSensor system integration and design is driven by requirements generated by
the need to complete biological experiment operations. The system is used for toxin-based
detection which will identify and quantify unknown input toxins by using a biosensor
based on a living fish chromatophore. The system consists of 3 main parts: biosensor,
data acquisition and data interpretation.
This thesis is focused on data acquisition. Acquisition, in this case, is via a color
camera since the cells have an easily measurable visual output. The major initial task
is to select the hardware specifications that satisfy user requirements. Components are
obtained from different vendors. The understanding of each component is, therefore,
very important to maximize the system performance and compatibility.
The second major task is to design the software interface and components to
manage the data acquisition. This can be separated into 2 parts. The first part is
acquisition management and control. The second part is the human interface. This
thesis focuses on the human interface.
The human interface is the part that communicates between the user and the
system. The system will send the system status to the user. The user will then direct
the system through the operation. Operators may not be familiar with complicated
computerized systems. A user-friendly interface is important to reduce mistakes and
to facilitate the operation. The goal of this design is to direct the user from a single
look at the interface. The interface should therefore contain all the useful and necessary
information.
The design of the user interface begins with gathering the necessary information
and making a decision about which information is important to deliver to the user. A
clean, tidy and informative user interface will lead to efficient operation. The design
methodology is to group the same information within the same area and be consistent.
Machine operation is very important, as well. In order to reduce the confusion in
system operation, the machine operating protocol is designed to be very similar to the
traditional protocol.
Design of the machine operation is through interactions with the user. Sending
user information to the machine will be handled by the system management program.
By simulating the user scenario, each state change will lead to changing of the state of
the machine, as well. The scenario is implemented in a state-like diagram. This state
diagram must be implemented carefully in order to be able to handle all the cases and
exceptions.
The last and most important part is putting all the components together and
testing the system. All possible scenarios and features listed before designing will be
tested at this point. The last test is to run actual experiments with the system. After all
the tests are satisfied, the system is delivered to the user. At this time, the user might
give more feedback on the system.
In conclusion, the overall goal of designing this system is not only to make the system
for this specific application. However, the goal is to design a general application that
will be able to apply to different sensor application. By changing the core management
and hardware, the software can easily fit another sensor application.Graduation date: 2003
47
陳信榮. "Integration of structural analysis and design system." Thesis, 1993. http://ndltd.ncl.edu.tw/handle/79617208637326007634.
Full text
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Lai, Yu-Chia, and 賴昱嘉. "Design, Microfabrication, and Integration of μDMFC System." Thesis, 2006. http://ndltd.ncl.edu.tw/handle/16692488314404223578.
Full textAbstract:
碩士國立清華大學
動力機械工程學系
94
The research is to fabricate the micro direct methanol fuel cell (μDMFC) by using MEMS technology. The goal is to apply the μDMFC in the portable electronic devices. Thus, to develop a simple and cheap fabrication for a micro direct methanol fuel cell is necessary. Furthermore, a good package is also an important part in order to obtain the good performance of μDMFC. Then we mearsured the performance of μDMFC under different conditions: the different concentration of methanol solution, different velocity of air, different operating environment temperature, and the ratio of area between channel and area of MEA. In addition, we use different metal to investigate whether th Pt can increase the area of catalyst to improve the power density or not.
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Peng, Chiung-Hsuan, and 彭瓊萱. "Integration Design and Implementation of GFSK System." Thesis, 2007. http://ndltd.ncl.edu.tw/handle/50528525105000367514.
Full textAbstract:
碩士淡江大學
電機工程學系碩士班
95
Along with the industry technology incessant progress, the demand for electronic products in the family and offices is extremely increased especially for the short range application products. However it appears that in the utilization of these wired electronic products it generates the problem of not easy to maintain a safe and clean environment. It is imperative and a trend that these wired electronic products will be replaced by their wireless counterparts and consequently it becomes indispensable that it needs to develop the technology for short range wireless transmission. The commonly used technology in the low power and short range transmission environment is the infrared system, and the most application of the infrared technology is the use of remote controller in the daily life. But it has many inherent shortcomings in the infrared technology, for example, its transmitting range is short, its transmission direction is confined, it needs to have a clear path in its transmission and it can have only two devices interconnected simultaneously. In this thesis we propose a transceiver system that is implemented by using the Gaussian Frequency Shift Keying method. It has the advantages that it has not only the merits of the infrared technology but it also has longer transmission range than that of the infrared system, it has no confining direction in its transmission and it can have more than two devices interconnected simultaneously. Because of the afore-mentioned advantages the wireless electronic products have become more pleasing and convenience to use and have been found more application areas. In this thesis we propose the design of a GFSK modulation system based on the Top-Down design concept. We use Verilog hardware description (HDL) language to design a GFSK modulation system with intermediate frequency set at 1 MHz. This designed system is implemented on the FPGA application platform. The information data is generated through the implementation of a pseudo noise generator, the data is passing through scrambler, manchester encoder, convolutional encoder, Interleaver and passed through a Gaussian filter before they enter into the modulator. The Gaussian filter will smooth the data stream to avoid the possibility of generating out-of-band spectrum before it enters the modulator, and due to this spectrum smoothing characteristic it will reduce the interference effect from the neighboring channels. The modulated signal is then transmitted through the white noise affected channel and limiting amplifier or RF module to the receiver end. At the receiver the received signal is passing through the, demodulator, infinite impulse response (IIR) filter, deinterleaver, Viterbi decoder and the descrambler to regenerate the transmitted data. The system bit error rate (BER) is measured and analyzed. The system performance can be improved by implementing error correcting block in the system.
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Chen, Shin-Chiuan, and 陳信全. "Design and Integration of 24GHz CW Radar System." Thesis, 2004. http://ndltd.ncl.edu.tw/handle/2nu265.
Full textAbstract:
碩士國立交通大學
電信工程系所
92
A 24GHz CW Radar has been demonstrated in this thesis. This radar consists of 12GHz Amplifier, 12GHz-24GHz frequency doubler and 24GHz leaky-wave antenna. Total CW radar has been integrated with rest two components, 12GHz DRO and 24GHz bypass mixer. 12GHz Amplifier has 13dB gain with maximum gain matching method. 12GHz-24GHz frequency doubler with open-short stub has positive conversion gain while input power is less than 5dBm. Leaky-wave antenna has 60 degree tiled-beam (30degree from horizontal plane), 15 dBi gain, 16 degree HPBW and 18 degree HPBW in the cut at 60 degree. Final version of CW radar has 23dBm EIRP. The function of CW radar is demonstrated indoors and outdoors. Principles, simulation and fabrication of circuits are described in this thesis.