Relevant bibliographies by topics / Manufacturing Engineering not elsewhere classified

Academic literature on the topic 'Manufacturing Engineering not elsewhere classified'

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Published: 4 June 2021
Last updated: 19 February 2023

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Journal articles on the topic "Manufacturing Engineering not elsewhere classified"

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Farid, A. M., and D. C. McFarlane. "Production degrees of freedom as manufacturing system reconfiguration potential measures." Proceedings of the Institution of Mechanical Engineers, Part B: Journal of Engineering Manufacture 222, no. 10 (October 1, 2008): 1301–14. http://dx.doi.org/10.1243/09544054jem1056.

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In recent years, many design approaches have been developed for automated manufacturing systems in the fields of reconfigurable manufacturing systems (RMSs), holonic manufacturing systems (HMSs), and multi-agent systems (MASs). One of the principle reasons for these developments has been to enhance the reconfigurability of a manufacturing system, allowing it to adapt readily to changes over time. However, to date, reconfigurability assessment has been limited. Hence, the efficacy of these design approaches remains inconclusive. This paper is the first of two in this issue to address reconfigurability measurement. Specifically, it seeks to address ‘reconfiguration potential’ by analogy. Mechanical degrees of freedom have been used in the field of mechanics as a means of determining the independent directions of motion of a mechanical system. By analogy, manufacturing degrees of freedom can be used to determine independent ways of production. Furthermore, manufacturing degrees of freedom can be classified into their production and product varieties. This paper specifically focuses on the former to measure the product-independent aspects of manufacturing system ‘reconfiguration potential’. This approach will be added to complementary work on the measurement of ‘reconfiguration ease’ so as to form an integrated reconfigurability measurement process described elsewhere [1—5].
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Garanča, Biruta. "THE STRUCTURE OF MACHINERY BUILDING IN LATGALE AND PERSPECTIVES OF ITS DEVELOPMENT." Latgale National Economy Research 1, no. 1 (June 30, 2009): 53. http://dx.doi.org/10.17770/lner2009vol1.1.1761.

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The financial facility of development of machinery building in Latgale is expected in manufacturing of electrical and optical equipment and in production of metal and metal ware. At present the proportion of production of leading machinery and equipment non-classified elsewhere, as well as of production of transport means has a tendency to reduce and also they have lesser probability to manage the financial crisis.
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Reynolds, Elisabeth B., and Hiram Samel. "Manufacturing Startups." Mechanical Engineering 135, no. 11 (November 1, 2013): 36–41. http://dx.doi.org/10.1115/1.2013-nov-2.

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This article analyses the reasons and impact of shift of manufacturing startups from the United States to overseas. After years of refining prototypes and perfecting pilot plants, advanced manufacturing startups frequently look overseas when it is time to scale-up for commercial production. Both manufacturing and technology companies go abroad looking for partnerships, because it is easier for investors. When startups scale their manufacturing elsewhere, the United States loses more than a possible return on the research investment that made such breakthroughs possible. The preliminary research suggests that to fully realize the economic gains associated with innovation, new products and services developed by American innovators must be scaled-up within the US economy, as well as in overseas markets. The four suggestions that have been made include the following: increase financing options for later-stage development; create institutions and incentives; change the contours of market demand; and encourage firms to raise capital through initial public offerings.
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He, Fei, and Hai Ping Zhu. "The Complexity in Assembly Manufacturing System." Advanced Materials Research 834-836 (October 2013): 1770–75. http://dx.doi.org/10.4028/www.scientific.net/amr.834-836.1770.

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Information-theory has been used to research the manufacturing system complexity for decade years. In order to describe the complexity more accurately, the assembly manufacturing system is aimed in this paper. The hierarchy structure of the assembly manufacturing system is first analyzed. The assembly system complexity is classified as structure complexity, process complexity and control complexity. In order to improve the complexity model, the process complexity is furthermore classified as static and dynamic process complexity which can describe the complexity of ideal and actual production process respectively. Then an integrated complexity model is proposed based on the classification.
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Bennett, David. "Future challenges for manufacturing." Journal of Manufacturing Technology Management 25, no. 1 (January 28, 2014): 2–6. http://dx.doi.org/10.1108/jmtm-10-2013-0153.

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Purpose – This Editorial Viewpoint explores what changes are taking place in manufacturing technology management with the aim of identifying future challenges that should be represented in the scope of JMTM. Design/methodology/approach – The viewpoints use an analysis of relevant articles in JMTM, published since 2007, which have focused on future challenges for manufacturing. It also draws on two recent reports. Findings – While the analysis confirms the inclusion of some subjects already in the journal scope, there are elsewhere gaps that merit it being expanded. Research limitations/implications – Evidence for the findings is only from a limited number of articles identified in this journal together supplemented by other secondary sources. Practical implications – There are implications for practice concerning the future of manufacturing from the analysis and the sources used, especially the reports. Originality/value – Although it has limitations, the article is based on original bibliographic research.
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Liu, Jun, Yan Qian, and Ya Wen An. "The Research on Classified Construction Mode of Manufacturing Enterprise Logistics Informatization." Advanced Materials Research 694-697 (May 2013): 3492–97. http://dx.doi.org/10.4028/www.scientific.net/amr.694-697.3492.

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Logistics informatization construction is vital to development of manufacturing enterprises. Choosing appropriate logistics informatization construction mode can make manufacturing enterprise save investment under the premise of ensuring their business requirements. Firstly, the paper divided manufacturing enterprises into process manufacturing enterprises, discrete manufacturing enterprises and hybrid manufacturing enterprises in accordance with the organization way of the production process; according to the scale they can be divided into micro-manufacturing enterprises, small and medium sized manufacturing enterprises and large (including group) manufacturing enterprises. Then summed up the main logistics informatization mode and generalized the construction mode of logistics informationization as follows: purchasing commercial software mode, enterprise independent development mode, outsourcing development mode, leasing mode and cooperative development mode. Finally studied different types of manufacturing enterprises should adopt what kind of construction mode of logistics informationization.
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Goh, Chiew Loon, Ruzairi Abdul Rahim, and Mohd Hafiz Fazalul Rahiman. "Process tomography of gas-liquid flow in a vessel: a review." Sensor Review 36, no. 3 (June 20, 2016): 287–302. http://dx.doi.org/10.1108/sr-08-2015-0134.

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Purpose The purpose of this paper is to conduct a review of types of tomographic systems that have been widely researched within the past 10 years. Decades of research on non-invasively and non-intrusively visualizing and monitoring gas-liquid multi-phase flow in process plants in making sure that the industrial system has high quality control. Process tomography is a developing measurement technology for industrial flow visualization. Design/methodology/approach A review of types of tomographic systems that have been widely researched especially in the application of gas-liquid flow within the past 10 years was conducted. The sensor system operating fundamentals and assessment of each tomography technology are discussed and explained in detail. Findings Potential future research on gas-liquid flow in a conducting vessel using ultrasonic tomography sensor system is addressed. Originality/value The authors would like to undertake that the above-mentioned manuscript is original, has not been published elsewhere, accepted for publication elsewhere or under editorial review for publication elsewhere and that my Institute’s Universiti Teknologi Malaysia representative is fully aware of this submission.
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Rangel, Estellito, and Roberval Bulgarelli. "That's classified." IEEE Industry Applications Magazine 13, no. 3 (May 2007): 17–24. http://dx.doi.org/10.1109/mia.2007.353661.

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Farid, A. M. "Facilitating ease of system reconfiguration through measures of manufacturing modularity." Proceedings of the Institution of Mechanical Engineers, Part B: Journal of Engineering Manufacture 222, no. 10 (October 1, 2008): 1275–88. http://dx.doi.org/10.1243/09544054jem1055.

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In recent years, many design approaches have been developed for automated manufacturing systems in the fields of reconfigurable manufacturing systems (RMSs), holonic manufacturing systems (HMSs), and multiagent systems (MASs). One of the principle reasons for these developments has been to enhance the reconfigurability of a manufacturing system, allowing it to adapt readily to changes over time. However, to date reconfigurability assessment has been limited. Hence the efficacy of these design approaches remains inconclusive. This paper is the second of two in this issue to address reconfigurability measurement. Specifically, ‘reconfiguration ease’ has often been qualitatively argued to depend on the system's modularity. For this purpose, this paper develops modularity measures in a three-step approach. Firstly, the nature of typical manufacturing system interfaces is discussed. Next, the qualitative understanding underlying existing modularity measures is distilled. Finally, these understandings are synthesized for a manufacturing system context. This approach forms the second of two pillars that together lay the foundation for an integrated reconfigurability measurement process described elsewhere.
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Khalil, Omnia. "The Afterlives of Cairenes: the Making of New Social Geographies from Elsewhere than Bulaq Abule’lla." Égypte/Monde arabe, no. 23 (December 2, 2021): 27–43. http://dx.doi.org/10.4000/ema.14739.

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Dissertations / Theses on the topic "Manufacturing Engineering not elsewhere classified"

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Zhang, Yumin. "Virtual manufacturing - a study of some important issues relating to the transformation of traditional manufacturing organisations." Thesis, Aston University, 2006. http://publications.aston.ac.uk/12237/.

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This thesis starts with a literature review, outlining the major issues identified in the literature concerning virtual manufacturing enterprise (VME) transformation. Then it details the research methodology used – a systematic approach for empirical research. next, based on the conceptual framework proposed, this thesis builds three modules to form a reference model, with the purpose of clarifying the important issues relevant to transforming a traditional manufacturing company into a VME. The first module proposes a mechanism of VME transformation – operating along the VME metabolism. The second module builds a management function within a VME to ensure a proper operation of the mechanism. This function helps identify six areas as closely related to VME transformation: lean manufacturing; competency protection; internal operation performance measurement; alliance performance measurement; knowledge management; alliance decision making. The third module continues and proposes an alliance performance measurement system which includes 14 categories of performance indicators. An analysis template for alliance decision making is also proposed and integrated into the first module. To validate these three modules, 7 manufacturing organisations (5 in China and 2 in the UK) were investigated, and these field case studies are analysed in this thesis. The evidence found in these organisations, together with the evidence collected from the literature, including both researcher views and literature case studies, provide support for triangulation evidence. In addition, this thesis identifies the strength and weakness patterns of the manufacturing companies within the theoretical niche of this research, and clarifies the relationships among some major research areas from the perspective of virtual manufacturing. Finally, the research findings are summarised, as well as their theoretical and practical implications. Research limitations and recommendations for future work conclude this thesis.
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Sandberg, Marcus. "Design for manufacturing : methods and applications using knowledge engineering." Doctoral thesis, Luleå : Luleå, Department of Applied Physics and Mechanical Engineering, Division of Functional Product Development, Luleå University of Technology, 2007. http://epubl.ltu.se/1402-1544/2007/59/.

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(9776462), A. K. M. Shamsul Akan. "Abrasion failure of lining rubber on agitator blades in the leaching circuit of mineral processing industries." Thesis, 2005. https://figshare.com/articles/thesis/Abrasion_failure_of_lining_rubber_on_agitator_blades_in_the_leaching_circuit_of_mineral_processing_industries/13420268.

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"The failure of agitator blades was an issue of major concern in the leaching circuit of the Australian Magnesium Corporation (AMC) pilot plant in Gladstone. The aim of this project was to investigate the causes of the failure of the agitator blades and to make some recommendations to help avoid the problem in the future." -- abstract. The failure of agitator blades was an issue of major concern in the leaching circuit of the Australian Magnesium Corporation (AMC) pilot plant in Gladstone. The aim of this project was to investigate the causes of the failure of the agitator blades and to make some recommendations to help avoid the problem in the future. At the start of this thesis, a comprehensive failure analysis was carried out in order to understand the potential failure mechanisms operating in the slurry tanks. A number of potential failure mechanisms were identified and these included erosive slurry wear of the rubber and chemical and/or thermal degradation of the rubber. These failure mechanisms may also act synergistically. An experimental programme of research was planned to investigate the separate influences of slurry wear and chemical and/or thermal degradation of the rubber. The results of these tests were then used to extend our understanding of the failure of the agitator blades. A slurry erosion test has been developed in order to quantify the erosion of bromobutyl rubber. The study investigated the effects of particle size, erosion time, slurry weight concentration and specimen velocity. Wear was measured using surface roughness measurements and scanning electron microscopy (SEM) of the worn surfaces. The degree of wear was found to increase with increased particle size, slurry weight concentration and erosion time and the wear appear to be at a maximum at a nominal angle of impact of the particles of approximately 40°. Wear appeared to decrease with increasing slurry velocities, but this may have been due to changes in particle shape. One of the key factors in the development of damage on the surface of the rubber was found to be wear of the abrading particles and the condition of the abrading particles needs to be taken into account when interpreting the results of slurry wear tests. In general the experimental results were found to be in good agreement with the predictions from the literature and a model has been developed in order to obtain a better understanding of slurry erosion. In addition to the slurry wear tests, the chemical degradation behaviour of In addition to the slurry wear tests, the chemical degradation behaviour of bromobutyl rubber was investigated by measuring hardness (shore A) and surface morphology of the rubber after exposure of the rubber to acid and water at 70°C. In acid, the rubber hardness increased with time and whereas in water alone, the rubber hardness decreased. This indicated that the acid immersion had a hardening effect on the rubber and this may have played some part in the failure. From this work, it is apparent that both slurry wear and exposure to acid andlor temperature have an effect on the degradation of the rubber. Particle size and shape had a major effect on damage accumulation rates, with most damage occurring with large, sharp particles. For tests where the particle size was below 3.35 mm the damage accumulation rate was insignificant. Morphological studies of the worn surfaces suggest that a major mechanism of damage was the formation of cracks which penetrated the rubber and exposed the underlying steel agitator blades to the acidic environment. Hardening of the rubber by exposure to the acid solution would have decreased the resilience of the rubber and may have increased the effect of the slurry wear on crack formation, but at this stage the coupled effects of slurry wear and chemical/thermal degradation have not been explored.
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(6661946), Jeremy Wayne Byrd. "PREDICTIVE MAINTENANCE PRACTICES & STANDARDS." 2019.

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Manufacturing today is increasingly competitive and every organization around the world is looking to decrease costs. Maintenance costs generated an average of 28 percent of total manufacturing cost at the Fiat Chrysler Indiana Transmission Plant One in 2018, states Rex White, Head Maintenance Planner at Fiat Chrysler (2018). Maintenance is a supportive expense that does not generate a profit, which makes maintenance an attractive expense to decrease. The cost for components and skilled labor are expensive; however, the downtime is exponentially a larger threat to production cost. One most feared scenarios within a manufacturing facility is that one machine takes down several as it backs up the entire production process.

The three major types of maintenance are reactive, preventive, and predictive. The research project focused on applying the principles of predictive maintenance to the Fiat Chrysler facilities in Indiana. The report explains the techniques and principles of applying the technology currently available to reduce downtime and maintenance cost. The predictive maintenance procedures and saving are compared with reactive and preventive methods to determine a value of return. The report will examine the benefits of using the Internet of Things technology to create autonomous self-diagnosing smart machines. The predictive maintenance plan in this research illustration will introduce health check equipment used to implement longer lasting machine components. In conclusion, the project developed out an entire predictive maintenance plan to reduce downtime and maintenance costs.


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(9828950), Tabassum Rasheed. "Scale growth study in a concentric reducer: Measurement of instantaneous velocity using Particle Image Velocimetry." Thesis, 2005. https://figshare.com/articles/thesis/Scale_growth_study_in_a_concentric_reducer_Measurement_of_instantaneous_velocity_using_Particle_Image_Velocimetry/13423016.

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A series of experiments were conducted at Queensland Alumina Ltd to study the rate of Gibbsite scale formation on wall pipes.. "Gibbsite scale growth in pipe fittings is a major problem for an alumina refinery. A recent investigation into the scale growth mechanism at an alumina refinery found almost 60 % more scale growth in a reducer when compared with the connecting straight pipe sections for similar flow conditions. Scale growth occurs where liquor (supersaturated solutions) come in contact with solid surfaces and it is affected by the liquor flow velocity besides other physical and chemical parameters. The present work is dedicated to study the hydro-dynamical aspects of the mechanism of scale growth. In particular, the role of the phenomenon of turbulent bursting, stream wise and cross stream fluctuating velocity components (Ux and Uy) was investigated as the flow moves through the reducer. Particle Image Velocimetry (PIV) technique was used to get a full view of the reducer and the readings close-to-the-wall of the reducer at Reynolds number of 27,000 and 44,000 upstream which corresponds to Reynolds number of 41,500 and 66,000 downstream of the reducer respectively. The results showed an increase in cross stream and a decrease in magnitude of stream wise fluctuating velocity components, whereby we presume that the increased cross stream fluctuating velocity component increases the frequency of impacts of the scaling particles on the wall thus initiating excessive scale growth in the reducer when compared with the connecting straight pipe sections, for similar flow conditions." -- abstract

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(8740677), Jeremy Sickmiller. "REAL TIME CONTROL OF MANUFACTURING UTILIZING A MANUFACTURING EXECUTION SYSTEM (MES)." Thesis, 2020.

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Manufacturing facilities need control for sustainability and longevity. If no control is provided for the manufacturing facility, then chaos can be unleashed causing much alarm. Therefore, it is essential to understand how control can be utilized to support the manufacturing facility and the corresponding manufacturing processes. This thesis will walk through a tool to help provide control and that tool is a Manufacturing Execution System (MES). Thisthesis will start with research to defineMESand its implications, then will work into the development of MES from the ground up. The design process willbe systematic and utilize the Collective System Design (CSD) approach with the aiding tool of the axiomatic decomposition map. Then examples will be given for the implementation and execution of the decomposition map as it relates to inventory and traceability. Finalwork will show the 7 FRs ofmanufacturing and how they are applicable to MES with given examples. Throughout the entire design and implementation, the initial hypothesis will be evaluated to determine if MES can provide the control requiredfor a robust manufacturing facility.
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(8065976), Kanjakha Pal. "Process Intensification Enabling Direct Compression for Pharmaceutical Manufacturing: From Spherical Agglomeration to Precise Control of Co-Agglomeration." Thesis, 2019.

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Spherical agglomeration (SA) is a novel process intensification strategy for particulate manufacturing. In the context of pharmaceutical manufacturing, it has the potential to reduce the number of unit operations in downstream processing from seven to three, which significantly reduces the manufacturing cost. However, SA process development for a new API in the drug pipeline is still a challenging exercise, which has impeded its practical implementation. The major bottleneck lies in the lack of fundamental understanding of the mechanistic principles underlying agglomeration of primary crystals, which can enable rational process design. In addition, most SA processes reported in literature focus on only the API, which does not eliminate the blending and wet granulation unit operations. The major purposes of this thesis are to (i) develop a first principle mathematical framework which can identify the fundamental agglomeration mechanism (ii) develop a model based online optimization framework, which can control the process, even in the presence of model parametric uncertainties (iii) develop a rational framework for co-agglomerating APIs and excipients, guided by process analytical technology tools. It is believed that the novel technology developed in this thesis will lay the groundwork for fast and robust process development of co-agglomerating APIs and excipients in the future, thereby enabling one-step direct compression. The large-scale development and deployment of this technology will significantly reduce the time to market and the manufacturing costs for new APIs, thereby ensuring higher accessibility of life-saving drugs.
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Hsiao, Yu-Chan Helen. "A framework of university incubator to maintain financial sustainability." 2008. http://arrow.unisa.edu.au:8081/1959.8/42985.

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Business incubation is a dynamic process of business enterprise development. Incubators nurture young firms, helping them to survive and grow during the start-up period. Among various types of incubators the university-based incubators are particularly studied. Although most university incubators are quite successful in terms of the success rate and the growth rate of tenant companies, their financial contributions to the sponsoring universities, however, are still not satisfied. It is found that behind the successful history records there are still some barriers impeding the development of an efficient incubator. In this research, a new model, which integrates merits of public and private incubators into the university incubator, is proposed for the betterment of its management scheme. The goal is to develop a successful incubator, which can earn profits not only for its own financial sustainability but also be able to generate income for the university. The outcomes of this research are summarized as follows: 1. From questionnaire survey around more than 100 university incubators around the world, this research received constructive opinions from incubator experts to support the proposed concept. This inspires the author to consider the necessity of a new incubation model for long-term sustainability. 2. The method of this survey study combines the Delphi Method and Scenario Analysis, called modified Delphi method, for worldwide survey and the Microsoft Excel method for data statistic for both of the Taiwan and worldwide surveys. By breaking down long questionnaire into two successive surveys, the replied rate did significantly increase. 3. An integrative framework for the new incubation model has been proposed for the sustainable operation of university incubator. National Taiwan University has validated this model in a similar way. 4. The process of privatization of university incubator is proposed to meet the university administrative procedure. Both of the government initialized top-down and incubator initialized bottom-up processes are considered. A Business Plan to suit for the proposed incubation company is also designed in this work. The sustainability in terms of financial status has been predicted based on some reasonable assumptions. 5. In order to verify the proposed model, three case studies through on-site visits have been carried out to compare their incubation systems and financial status up-to-date. This can provide a guideline to adjust the proposed model of this work. Finally, a comprehensive conclusion and discussions are given to summarize the contribution and future work of this research.
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(5930069), Mariana Moreno. "Robust Process Monitoring for Continuous Pharmaceutical Manufacturing." Thesis, 2019.

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Robust process monitoring in real-time is a challenge for Continuous Pharmaceutical Manufacturing. Sensors and models have been developed to help to make process monitoring more robust, but they still need to be integrated in real-time to produce reliable estimates of the true state of the process. Dealing with random and gross errors in the process measurements in a systematic way is a potential solution. In this work, we present such a systematic framework, which for a given sensor network and measurement uncertainties will predict the most likely state of the process. As a result, real-time process decisions, whether for process control, exceptional events management or process optimization can be based on the most reliable estimate of the process state.


Data reconciliation (DR) and gross error detection (GED) have been developed to accomplish robust process monitoring. DR and GED mitigate the effects of random measurement errors and non-random sensor malfunctions. This methodology has been used for decades in other industries (i.e., Oil and Gas), but it has yet to be applied to the Pharmaceutical Industry. Steady-state data reconciliation (SSDR) is the simplest forms of DR but offers the benefits of short computational times. However, it requires the sensor network to be redundant (i.e., the number of measurements has to be greater than the degrees of freedom).


In this dissertation, the SSDR framework is defined and implemented it in two different continuous tableting lines: direct compression and dry granulation. The results for two pilot plant scales via continuous direct compression tableting line are reported in this work. The two pilot plants had different equipment and sensor configurations. The results for the dry granulation continuous tableting line studies were also reported on a pilot-plant scale in an end-to-end operation. New measurements for the dry granulation continuous tableting line are also proposed in this work.


A comparison is made for the model-based DR approach (SSDR-M) and the purely data-driven approach (SSDR-D) based on the use of principal component constructions. If the process is linear or mildly nonlinear, SSDR-M and SSDR-D give comparable results for the variables estimation and GED. The reconciled measurement values generate using SSDR-M satisfy the model equations and can be used together with the model to estimate unmeasured variables. However, in the presence of nonlinearities, the SSDR-M and SSDR-D will differ. SSDR successfully estimates the real state of the process in the presence of gross errors, as long as steady-state is maintained and the redundancy requirement is met. Gross errors are also detected whether using SSDR-M or SSDR-D.


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(9726050), Onkar V. Sonur. "The Sustainable Manufacturing System Design Decomposition." Thesis, 2020.

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With the growing importance of the manufacturing sector, there is a tremendous demand for finding innovative ways to design manufacturing systems. Although several design methodologies are available for devising the manufacturing systems, most of the changes do not sustain for a longer period. Numerous elements contribute to issues that impede sustainability in manufacturing industries, such as the common design approach of applying solutions without understanding system requirements and appropriate thinking processes.
With a Sustainable Manufacturing System Design Decomposition (SMSDD), the precise pitfalls and areas of improvement can be well understood.
The SMSDD fosters members in the organization to collectively map the customer’s needs, identifying the requirements of the system design and the associated solutions. In this thesis, SMSDD is developed to design manufacturing systems for maximizing the potential of an enterprise to create an efficient and sustainable manufacturing system.
In addition to being able to design new manufacturing systems or to re-design existing manufacturing systems, the SMSDD provides a potent tool to analyze the design of existing manufacturing systems. SMSDD uses the Collective System Design Methodology steps to design a manufacturing system for leading to efficient and sustainable manufacturing system. Therefore, SMSDD can apply to a broad range of manufacturing systems.

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Books on the topic "Manufacturing Engineering not elsewhere classified"

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Britain, Great. Miscellaneous Manufacturing Not Elsewhere Classified. Stationery Office Books, 1996.

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Book chapters on the topic "Manufacturing Engineering not elsewhere classified"

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Zhao, Qiu-yun, Le Wei, and Hong-ping Shu. "Research on Credibility Support Mechanism of Manufacturing Cloud Service Based on Classified QoS." In Proceedings of the 5th International Asia Conference on Industrial Engineering and Management Innovation (IEMI2014), 67–70. Paris: Atlantis Press, 2015. http://dx.doi.org/10.2991/978-94-6239-100-0_12.

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Rashidifar, Rasoul, F. Frank Chen, Hamed Bouzary, and Mohammad Shahin. "A Mathematical Model for Cloud-Based Scheduling Using Heavy Traffic Limit Theorem in Queuing Process." In Lecture Notes in Mechanical Engineering, 197–206. Cham: Springer International Publishing, 2022. http://dx.doi.org/10.1007/978-3-031-18326-3_20.

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AbstractCloud manufacturing (CMfg) is a service-oriented manufacturing paradigm that distributes resources in an on-demand business model. In the cloud manufacturing environment, scheduling is considered as an effective tool for satisfying customer requirements which has attracted attention from researchers. In this case, quality of service (QoS) in the scheduling plays a vital role in assessing the impacts of the distributed resources in operation on the performance of scheduling functions. In this paper, a queuing system is employed to model the scheduling problem with multiple servers and then scheduling in cloud manufacturing is classified based on various QoS requirements. Moreover, a set of heavy traffic limit theorems is introduced as a new approach to solving this scheduling problem in which different heavy traffic limits are provided for each of QoS-based scheduling classes. Finally, the number of operational resources in the scheduling is determined by considering the results obtained in the numerical analysis of the heavy traffic limit with different queue disciplines. The results show that different numbers of active machines in various QoS requirements classes play a vital role in that the required QoS metrics such as the expected waiting time and the expected completion time which are critical performance indicators of the cloud’s service are intimately related.
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Balasubramanian, K. R., V. Senthilkumar, and Divakar Senthilvel. "Introduction to Additive Manufacturing." In Advances in Civil and Industrial Engineering, 1–24. IGI Global, 2020. http://dx.doi.org/10.4018/978-1-7998-4054-1.ch001.

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Additive manufacturing (AM) is also referred to as 3D printing, rapid prototyping, solid freeform fabrication, rapid manufacturing, desktop manufacturing, direct digital manufacturing, layered manufacturing, generative manufacturing, layered manufacturing, solid free-form fabrication, rapid prototype, tool-less model making, etc. It is emerging as an important manufacturing technology. It is the process of building up of layer-by-layer by depositing a material to make a component using the digital 3D model data. The main advantages of AM are mass customization, minimisation of waste, freedom of designing complex structures, and ability to print large structures. AM is broadly applicable to all classes of materials including metals, ceramics, polymers, composites, and biological systems. The AM methods used for producing complex geometrical shapes are classified based either on energy source (laser, electron beam) used or the material feed stock (powder feed, wire feed).
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Pan, Chi Chun, Carolyn Kim, Jiannan Li, Elaine Lui, Brett Salazar, Stuart B. Goodman, and Yunzhi P. Yang. "Bioprinting for Bone Tissue Engineering." In Additive Manufacturing in Biomedical Applications, 1–9. ASM International, 2022. http://dx.doi.org/10.31399/asm.hb.v23a.a0006854.

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Abstract Due to its layer-by-layer process, 3D printing enables the formation of complex geometries using multiple materials. Three-dimensional printing for bone tissue engineering is called bioprinting and refers to the use of material-transfer processes for patterning and assembling biologically relevant materials, molecules, cells, tissues, and biodegradable biomaterials with a prescribed organization to accomplish one or more biological functions. Currently, 3D bioprinting constructs can be classified into two categories: acellular and cellular. This article introduces and discusses these two approaches based on the suitable materials for these constructs and the fabrication processes used to manufacture them. The materials are grouped into polymers, metals, and hydrogels. The article also summarizes the commonly used 3D printing techniques for these materials, as well as cell types used for various applications. Lastly, current challenges in tissue engineering are discussed.
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Suresh, Ganzi. "Advancements in Manufacturing Technology With Additive Manufacturing and Its Context With Industry 4.0." In Handbook of Research on Advancements in Manufacturing, Materials, and Mechanical Engineering, 1–24. IGI Global, 2021. http://dx.doi.org/10.4018/978-1-7998-4939-1.ch001.

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Additive manufacturing (AM) is also known as 3D printing and classifies various advanced manufacturing processes that are used to manufacture three dimensional parts or components with a digital file in a sequential layer-by-layer. This chapter gives a clear insight into the various AM processes that are popular and under development. AM processes are broadly classified into seven categories based on the type of the technology used such as source of heat (ultraviolet light, laser) and type materials (resigns, polymers, metal and metal alloys) used to fabricate the parts. These AM processes have their own merits and demerits depending upon the end part application. Some of these AM processes require extensive post-processing in order to get the finished part. For this process, a separate machine is required to overcome this hurdle in AM; hybrid manufacturing comes into the picture with building and post-processing the part in the same machine. This chapter also discusses the fourth industrial revolution (I 4.0) from the perspective of additive manufacturing.
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Kandasamy, Jayakrishna, Aravind Raj Sakthivel, Vimal K. E. K., V. Sharath Kumar Reddy, and Babulal K. S. "Application of Cluster Analysis for Identifying Potential Automotive Organizations Towards the Conduct of Green Manufacturing Sustainability Studies." In Handbook of Research on Green Engineering Techniques for Modern Manufacturing, 309–22. IGI Global, 2019. http://dx.doi.org/10.4018/978-1-5225-5445-5.ch017.

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Increasing legislative concerns and rapidly transforming technologies pressurizes the global competitive landscape to deploy smart, safe, and sustainable green manufacturing. This chapter scrutinizes organizational sustainability of the automobile components manufacturing organizations located in the state of Tamil Nadu, India using hierarchy cluster analysis towards setting up a benchmark on sustainability of organizations. Along with the triple bottom line (TBL) of sustainable development, the organizational responsibility and government legislation in achieving sustainability were selected as the five major governing variables during the conduct of this case study. As a result, 25 automotive components manufacturing organizations chosen from for this study were classified into three clusters, confirming a particular organization as the most suitable one for the conduct of green manufacturing sustainability studies. According to the distinctiveness of the assorted clusters, suggestions were also proposed for improving the organizational sustainability further.
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Rai, Chinthan, Shashank Bhanuprakash, Babak Kianian, and Jan-Eric Ståhl. "Additive Manufacturing Decision Support Systems: A Systematic Literature Review Discerning Current and Future Directions." In Advances in Transdisciplinary Engineering. IOS Press, 2022. http://dx.doi.org/10.3233/atde220174.

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Additive manufacturing (AM) was introduced the 1980’s for rapid prototyping (RP) purposes but now AM provides complementary techniques to conventional manufacturing processes and offers advantages when components can be exacting, impossible, and too costly to be produced by conventional methods due to complex structures and geometric configurations, which require tailored designs. They are also often mass-customized components, with custom-made properties and low volume production requirements making AM the ‘technology of choice’ since its added-value aspects cannot be achieved by any other manufacturing technologies. These advancements in manufacturing, demand standardized fact-based decision support systems (DSSs), to support AM practitioners in their task selecting the most suitable techniques for given applications. Hence, this paper aims to increase the understanding of what – of how – DSSs are used in selecting and utilizing AM in various applications. This paper’s core message, considering practical implications, is to guide and support AM researchers with an overview of the DSSs for AM landscape. This paper presents and compares different models and tools classified within four categories used as DSS for AM and identifies their advantages and disadvantages by conducting a 3-step systematic literature review (SLR). A total of 388 literatures were initially retrieved, and according to an inclusion criteria analysis, the literatures were evaluated. This is the first SLR emphasizing and synthesizing obtainable literatures on AM DSS. Until now, this topic has acquired narrow exploration; however, the authors believe it is of rapidly growing importance to both scientists and practitioners.
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Maji, Kuntal. "Pulsed Laser Micro-Forming of Thin Sheets." In Handbook of Research on Advancements in Manufacturing, Materials, and Mechanical Engineering, 337–57. IGI Global, 2021. http://dx.doi.org/10.4018/978-1-7998-4939-1.ch016.

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This chapter presents a study on the deformation behavior of thin sheets in pulsed laser micro-forming. Deformation mechanics of thin sheets under different operating conditions under pulsed laser irradiation are described and explained. Modeling of pulsed laser micro-forming for analyzing and optimizing the process parameters using different techniques mentioned in the published literature are discussed. The estimation of temperature and deformation fields in pulsed laser micro-forming of thin sheets of different shapes considering the effects of different process parameters such as laser power, spot diameter, pulse on time, pulse frequency, and sample size are presented. Response surface modeling and finite element analysis of the pulsed laser micro-forming process are described and explained. Experimental procedures for conducting pulsed laser micro-forming tests are described and explained. Recent investigations on pulsed laser micro-forming published elsewhere are presented, and possible scopes for future investigations are highlighted.
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Vasantha, Gokula, David Purves, Jonathan Corney, Michael Canavan, John Quigley, and Andrew Sherlock. "Towards Predictive Design: Tracking a CNC Fixture Design Process to Identify the Requirements." In Advances in Transdisciplinary Engineering. IOS Press, 2022. http://dx.doi.org/10.3233/atde220589.

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Training novice production engineers to design manufacturing fixtures is a time-consuming process involving significant input from experienced experts. Motivated by the vision of providing an intelligent support system for general mechanical design, this paper develops a list of requirements for predictive suggestion mechanisms focused on creating fixtures for holding components during machining. To do this, the email communications between nine novices and one expert during the design of machining fixtures were studied. The analysis classified the expert’s feedback into ten coded themes. The significance of these themes was assessed by quantifying the resulting changes in the CAD models of the fixtures designs and fixture requirements. The identified results lay the foundation for developing a comprehensive CAD predictive suggestion system to support fixture design. Novice designers will benefit from this predictive suggestion system by correcting their design errors in real-time and reducing the need for experts’ time in the training process.
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Renna, Paolo. "A Review of Research of Coordination Approaches in Distributed Production Systems." In Advances in Civil and Industrial Engineering, 93–112. IGI Global, 2013. http://dx.doi.org/10.4018/978-1-4666-2098-8.ch006.

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The increasing of global competition and the need for rapid response to market changes drive manufacturing enterprises to adopt new business models. This chapter examines the recent years of research developed in the field of coordination approaches to support distributed production systems. The papers discussed concern the period of 2004-2010 published in international ISI journals. The research articles are classified according to nine fields of research: operational research models; collaborative architecture; negotiation and bargaining models; capacity exchange; revenue sharing; chemical engineering; electronic approach; general review; case study. The analysis of the literature highlights that the articles are distributed uniformly over the years analyzed. The most fields investigated are the collaborative architecture and operational research models, while emerging fields are the chemical engineering and revenue sharing based approaches. The discussion underlines the limitation of the literature and suggests the directions for future research.
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Conference papers on the topic "Manufacturing Engineering not elsewhere classified"

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Zhao, Qiuyun, Le Wei, and Hongping Shu. "Research on Credibility Support Mechanism of Manufacturing Cloud Service Based on Classified QoS." In 5th International Asia Conference on Industrial Engineering and Management Innovation (IEMI 2014). Paris, France: Atlantis Press, 2014. http://dx.doi.org/10.2991/iemi-14.2014.10.

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Ruan, Jianzhong, Jun Zhang, and F. W. Liou. "Support Structures Extraction for Hybrid Layered Manufacturing." In ASME 2001 International Design Engineering Technical Conferences and Computers and Information in Engineering Conference. American Society of Mechanical Engineers, 2001. http://dx.doi.org/10.1115/detc2001/dac-21098.

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Abstract In a multi-axis metal hybrid layered manufacturing system, a combined laser material deposition and material removal system with more than 3-aixs mobility, sometimes support structures are necessary in the part building process, which prevent object from falling during deposition process. Since the support material is the same as build material, it is very difficult to remove the support material in the post processing stage. Thus, the support material must be machined off. Therefore, the geometry information of support structures is important for the machining process. In this paper, a method is presented to extract support structures automatically. Two types of support structures, trapped and non-trapped, are classified in this paper and their extraction methods are discussed respectively.
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Shibutani, Tadahiro, Tetsu Tsuruga, Qiang Yu, and Masaki Shiratori. "Interface Strength Between Sub-Micron Thin Films in Opening and Sliding Delamination Modes." In ASME 2002 International Mechanical Engineering Congress and Exposition. ASMEDC, 2002. http://dx.doi.org/10.1115/imece2002-39631.

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Delamination between thin films is classified into two types: opening mode and sliding mode. Corresponding to each mode, there is the interface strength between thin films. This paper aims to evaluate interface strength between the sub-micron thin films for opening mode and sliding mode, respectively. We already developed the evaluation method of interface fracture toughness for opening mode on the basis of fracture mechanics concept elsewhere. Moreover, the evaluation method of sliding mode is proposed and the interface strength between thin films for an advanced LSI is evaluated as the fracture toughness by using both methods. In both modes, the stress singularity appears in the vicinity of the edge of interface and governs the delamination. The criterion of crack initiation for each mode is evaluated as the interface toughness. The fracture toughness at the edge of interface in sliding mode is lower than that in opening mode.
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Lall, Pradeep, Vikalp Narayan, Jim Blanche, and Mark Strickland. "Effect of Manufacturing Process Parameters on Property Evolution of Printed Circuit Board Laminates." In ASME 2012 International Mechanical Engineering Congress and Exposition. American Society of Mechanical Engineers, 2012. http://dx.doi.org/10.1115/imece2012-93057.

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The effect of temperature exposure encountered both during assembly and in fielded products, has a known influence on glass transition temperature of printed-circuit board (PCB) laminate materials. Printed circuit board laminates such as FR4 are composites of epoxy resin with woven fiberglass reinforcement. Interaction between manufacturing process variables that impact the changes in glass transition temperature (Tg) has been studied. The laminates studied have been broadly classified into high-Tg, and mid-Tg laminates. Different sets of reflow profiles were created by varying the process variables including, time above liquidus, peak temperature, ramp rate and cooling rate. The effect of multiple reflows encountered in normal assembly or board re-work has been studied by exposing the assemblies to multiple reflows between 2x–6x. Changes to the glass transition temperature have been classified by measurement of the glass transition temperature were measured via Thermo Mechanical Analysis (TMA). Statistical analysis of the variables has been used to determine the statistical significance of the measured changes for large populations.
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Atiqullah, Mir M., Aaron R. Cowin, Ed M. Ising, Terrance K. Kelly, and K. Ravindra. "Development of a Sophomore Manufacturing Laboratory Course to Streamline the Manufacturing Education Within Mechanical Engineering Curriculum." In ASME 2004 International Mechanical Engineering Congress and Exposition. ASMEDC, 2004. http://dx.doi.org/10.1115/imece2004-61935.

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A basic shop course was typical in the early days of mechanical engineering studies. However, in the late seventies, the shop course was dropped from the engineering curriculum in most schools for various reasons. The need for a preparatory manufacturing course became apparent after recognizing the lack of modest shop skills exhibited by our students in design-build projects which are routinely assigned in several junior and senior level courses. The traditional manufacturing course, that all students are required to take during the senior year, requires higher-level prerequisites. In addition, being a senior level course, it provides very little opportunity for the students to utilize those skills in other courses. To address this void, a new engineering workshop course has been objectively designed and implemented for the sophomore mechanical and aerospace engineering students, beginning fall 2003. The goals of the course are to develop an appreciation for manufacturing in engineering design, prepare students for follow-up manufacturing course, and develop necessary skills for design-build projects at various levels of the curriculum. The engineering shop course is designed around nine laboratory content modules that introduce the students to the fundamentals of shop safety, measurement, and manufacturing. The present paper describes the development and implementation of the course. The effectiveness of the course in meeting the goals is also assessed through surveys conducted both before and after the course is completed. Long-term success will be measured in the future by a survey of graduating seniors to assess the effectiveness of the engineering shop course in the students’ ability to successfully complete design-build projects assigned in other courses. The modular design would allow this course to be adapted for achieving similar objectives elsewhere.
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Sun, Chun-Hua. "Algorithm of Non-Interference Tool Path Generation for Manufacturing Integral Impeller." In ASME 2004 International Design Engineering Technical Conferences and Computers and Information in Engineering Conference. ASMEDC, 2004. http://dx.doi.org/10.1115/detc2004-57650.

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This study focuses on algorithm for generation non-interference tool-path for manufacturing blades of integral impeller. The interference is classified into three kinds according to occurring area. The algorithm mentioned in the paper can be used to check not only interference between the cutter and the machined area of an integral impeller part, but also interference between the cutter and the tip area of blades, including the machining blade and the adjacent blade. The correction for tool-path is done to avoid the interference. Computer simulations of machining an integral impeller and correction for tool path are conducted to verify the efficiency of the algorithm.
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Mamros, Elizabeth M., Matthew C. Eaton, Jinjin Ha, and Brad L. Kinsey. "Numerical Analysis of SS316L Biaxial Cruciform Specimens Under Proportional Loading Paths." In ASME 2021 16th International Manufacturing Science and Engineering Conference. American Society of Mechanical Engineers, 2021. http://dx.doi.org/10.1115/msec2021-59877.

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Abstract In this paper, finite element analyses were conducted to investigate the stress and strain states resulting from varying the deformation of stainless steel 316L under biaxial loading. To that end, a biaxial specimen geometry was designed in collaboration with the US National Institute of Standards and Technology (NIST) to achieve large and uniform strain values in the central pocket region. Special care was taken to ensure that the specimen design could be readily manufactured with available resources. Simultaneously, the specimen design criteria required an acceptable strain uniformity in a sufficiently large pocket section to allow for accurate deformation and austenite to martensite phase fraction measurements. This demonstrates the concept of altering the final material properties through stress superposition. Numerical results show that nearly linear curves were observed in the strain path plots. The minimum uniform deformation area for the 4:1 case had a radius of ∼1 mm, which is sufficient for experimental analyses, e.g., digital imaging correlation and electron beam backscatter diffraction. As an application for such heterogeneous materials, patient specific trauma fixation hardware, which are surgically implanted to set broken bones during healing, require high strength in areas where screws are located, i.e., martensite phase, yet low weight elsewhere.
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Yoshimura, Masataka, and Hideyuki Kondo. "Group Decision Making in Product Design and Manufacturing." In ASME 1997 Design Engineering Technical Conferences. American Society of Mechanical Engineers, 1997. http://dx.doi.org/10.1115/detc97/dac-3729.

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Abstract Reconciling the different desires and requirements of individuals within decision making groups is becoming increasingly important, as corporate structures tend to embody flat relationships more than hierarchical ones, and as computer networks gain ever more utility. In this paper, a computer aided decision making support system is proposed, that such groups of decision makers can rely on, in order to arrive at the best possible cooperative decisions. First, weighting coefficients for the factors to be evaluated are determined by pair comparisons based on the AHP (Analytic Hierarchy Process) method. The preference structures of the decision makers for these factors are expressed by single-attribute satisfaction functions. Next, these satisfaction functions are classified into two groups having opposite tendencies (positive, and negative) so that when graphed, the intersection of the two curves can be defined as a solution point where the decision makers can compromise. Then, improvement procedures are conducted based on compromise processes, so that the satisfaction levels at the solution point becomes as high as possible. Finally, these decision making procedures are demonstrated by analyzing the decision making problems encountered when designing an industrial robot.
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Zhao, Jie, Yongxiang Hu, and Zhenqiang Yao. "Laser Induced Forward Transfer: Topography Dependence of Laser Fluence and Thickness for Titanium Film." In ASME 2018 13th International Manufacturing Science and Engineering Conference. American Society of Mechanical Engineers, 2018. http://dx.doi.org/10.1115/msec2018-6587.

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Compared with other metals, titanium has a wide range of applications in laser induced forward transfer (LIFT) due to its unique properties of low thermal conductivity and high melting point. In general, the titanium film is used as a sacrificial layer or transferred material in LIFT with different laser fluence. In this study, four different topography types are classified under the laser irradiation of ultraviolet nanosecond pulses. For Ti films with different thicknesses, probability distribution of these types is provided to demonstrate how topographies evolve with the increasing laser fluence. Through the research, the understanding of the physical mechanism of titanium film would be deepened.
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Lee, Pil-Ho, Haseung Chung, Sang Won Lee, Jeongkon Yoo, and Jeonghan Ko. "Review: Dimensional Accuracy in Additive Manufacturing Processes." In ASME 2014 International Manufacturing Science and Engineering Conference collocated with the JSME 2014 International Conference on Materials and Processing and the 42nd North American Manufacturing Research Conference. American Society of Mechanical Engineers, 2014. http://dx.doi.org/10.1115/msec2014-4037.

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This paper reviews the state-of-the-art research related to the dimensional accuracy in additive manufacturing (AM) processes. It is considered that the improvement of dimensional accuracy is one of the major scientific challenges to enhance the qualities of the products by AM. This paper analyzed the studies for commonly used AM techniques with respect to dimensional accuracy. These studies are classified by process characteristics, and relevant accuracy issues are examined. The accuracies of commercial AM machines are also listed. This paper also discusses suggestions for accuracy improvement. With the increase of the dimensional accuracy, not only the application of AM processes will diversify but also their value will increase.
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