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Articles de revues sur le sujet « Object Modelling System »

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Auteur : Grafiati
Publié le 11 mars 2023

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1

POO, DANNY C. C. « AN OBJECT-ORIENTED SOFTWARE REQUIREMENTS ANALYSIS METHOD ». International Journal of Software Engineering and Knowledge Engineering 02, no 01 (mars 1992) : 145–68. http://dx.doi.org/10.1142/s0218194092000087.

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This paper discusses an object-oriented software requirements analysis method. The approach adopted here draws clear distinction between a system's basic structure (i.e. the object model) and its functionalities. The analysis model generated is a description of a problem domain; it consists of a set of primary and secondary objects that characterize the problem domain, and a set of pseudo objects that define the functional requirements of a system. There are two stages of analysis in the proposed method: Object Modelling and Functional Requirements Modelling. These two stages are built upon one another. The aim of the object modelling stage is to derive a model of the problem domain in terms of objects, their classification and inter-relationships with one another. The functional requirements modelling stage builds upon this initial object model to complete the requirement analysis specification. This paper uses a real-life library environment to illustrate how the method can be applied in the specification of an object-oriented software system.
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Hakman, Mikael, et Torgny Groth. « Object-oriented biomedical system modelling — the language ». Computer Methods and Programs in Biomedicine 60, no 3 (novembre 1999) : 153–81. http://dx.doi.org/10.1016/s0169-2607(99)00034-6.

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NORRIE, M. C., et M. WUNDERLI. « MODELLING IN COORDINATION SYSTEMS ». International Journal of Cooperative Information Systems 04, no 02n03 (juin 1995) : 189–211. http://dx.doi.org/10.1142/s0218843095000081.

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We describe an approach to the coordination of application systems based on the modelling and maintenance of inter-system dependencies expressed as data constraints together with update propagation rules. These dependencies are specified by a Coordination Model which comprises a Coordination Interface for each application system together with a global Coordination View. A Coordination Interface describes local object types relevant for system-wide coordination. The Coordination View describes the subsystems, their globally important object types and the relationships between those object types. Additionally, the Coordination View specifies actions to restore global consistency in the event of constraint violations, thereby providing system coordination. Specifically, we describe how this approach has been adopted in a prototype Computer Integrated Manufacturing (CIM) system based on the coordination of CIM subsystems. In this CIM system, the Coordination Model is specified using the NIAM data model.
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Villani, E., P. E. Miyagi et R. Valette. « AN OBJECT-ORIENTED APPROACH FOR HYBRID SYSTEM MODELLING ». IFAC Proceedings Volumes 35, no 1 (2002) : 379–84. http://dx.doi.org/10.3182/20020721-6-es-1901.00551.

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Hakman, Mikael, et Torgny Groth. « Object-Oriented Biomedical System Modelling - A Short Presentation ». IFAC Proceedings Volumes 33, no 3 (mars 2000) : 285–90. http://dx.doi.org/10.1016/s1474-6670(17)35529-5.

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Fisher, R. « SMS : a suggestive modelling system for object recognition ». Image and Vision Computing 5, no 2 (mai 1987) : 98–104. http://dx.doi.org/10.1016/0262-8856(87)90034-5.

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Wang, Ke Lun, Quan Ying Zhu et Hai Yan Xie. « Modelling of Sculpture-Like Object ». Applied Mechanics and Materials 278-280 (janvier 2013) : 2293–97. http://dx.doi.org/10.4028/www.scientific.net/amm.278-280.2293.

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Using the existing methods, it is difficult to model complex and irregular objects, such as sculptures. Based on LOD and IBR, a new modelling method is proposed. Billboard technology with many texture images is used to simulate the observation effects from different directions. View morphing is applied to avoid the sudden change of the images. The method has been applied in visual system of shiphandling simulator and the better effect is simulated successfully.
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Liu, Quan, Ayeley Tchangani, François Pérès et Vicente Gonzalez-Prida. « Object-oriented Bayesian network for complex system risk assessment ». Proceedings of the Institution of Mechanical Engineers, Part O : Journal of Risk and Reliability 232, no 4 (août 2018) : 340–51. http://dx.doi.org/10.1177/1748006x17753026.

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In this article, we present a novel approach of modelling risk management process for complex systems. To overcome difficulties of modelling dynamic large-scale systems, the main idea is to split it into various structural homogeneous units. The object-oriented paradigm is used to this end but, unlike previous works, the proposed methodology allows variation in terms of internal parameters throughout the objects. This novel approach based on Bayesian network techniques is referred to as extended object-oriented Bayesian network. The main contribution of this article consists in establishing algorithms and methods on how to build and run such models. This article is an extension of a communication presented at AMEST by mainly developing a more realistic case study along with other improvements.
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Trnovszký, Tibor, et Róbert Hudec. « Local Feature Extraction in the Near Infra-Red Domain for Wildlife Mammals Tracking Purpose ». Civil and Environmental Engineering 12, no 1 (1 mai 2016) : 34–41. http://dx.doi.org/10.1515/cee-2016-0005.

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Abstract Nowadays, research in area of intelligent transportation system is focused on analysis of traffic flow by computer vision techniques. Keypoint analysis represents detection, modelling and recognition of objects in traffic flow and object tracking as well. The main goal of this paper is to propose new approach to detect and modelling 3D objects that move on road surface. At the beginning, basic methods of object recognition and modelling of 3D object are shortly described. The modified algorithm based on background subtraction and creation of 3D model by depth map is proposed. Finally, the results of developed algorithm are depicted through the last part of this paper.
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Akhmedyanova, G., I. Lomukhin et A. Pishchukhin. « Modelling an Integrated Control Object ». IOP Conference Series : Earth and Environmental Science 988, no 2 (1 février 2022) : 022075. http://dx.doi.org/10.1088/1755-1315/988/2/022075.

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Abstract The paper investigates two schemes for modelling an integrated control object: with an embedded model in the loop and with the selection of several levels of control. It is noted that the multi-level scheme allows the solution of individual tasks to be divided into fairly independent levels. This allows you to reduce the multi-connectivity of the system and apply coordinate-parametric control. Coordinate control is carried out within the limits of levels, and the impact of hierarchically higher levels change the parameters of the structural elements of the underlying subsystems. In this case, the contribution of each influencing factor to ensuring the achievement of the highest goal of managing the integrated object is more accurately estimated. At the same time, the integral assessment makes it possible to objectively evaluate the contribution of each of the control actions listed in the work and, accordingly, optimally divide the control resources between them with maximizing the overall level of achieving the goals of the upper levels of management. The revealed theoretical results were applied to develop a multi-level scheme for managing the quality of the development of a hydrocarbon field.
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Kaushik, Shubham, et Ratneshwer . « Fault Modelling of an Object-Oriented System using CPN ». International Journal of Computer Sciences and Engineering 7, no 5 (31 mai 2019) : 1828–45. http://dx.doi.org/10.26438/ijcse/v7i5.18281845.

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Dzafic, I. « An Object-Oriented Graphical Modelling for Power System Analysis ». International Journal of Modelling and Simulation 29, no 1 (janvier 2009) : 71–78. http://dx.doi.org/10.1080/02286203.2009.11442512.

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Park, Tea Y., Kwan H. Han et Byoung K. Choi. « An object-oriented modelling framework for automated manufacturing system ». International Journal of Computer Integrated Manufacturing 10, no 5 (janvier 1997) : 324–34. http://dx.doi.org/10.1080/095119297131075.

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Lee, PJ, DJ Chen et CG Chung. « An object-oriented modelling approach to system software design ». Information and Software Technology 36, no 11 (novembre 1994) : 683–94. http://dx.doi.org/10.1016/0950-5849(94)90096-5.

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SAAKE, GUNTER, RALF JUNGCLAUS et THORSTEN HARTMANN. « APPLICATION MODELLING IN HETEROGENEOUS ENVIRONMENTS USING AN OBJECT SPECIFICATION LANGUAGE ». International Journal of Cooperative Information Systems 02, no 04 (décembre 1993) : 425–49. http://dx.doi.org/10.1142/s0218215793000198.

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We propose an object-oriented logical formalism to conceptionally model applications in an interoperable environment. Such an environment consists of heterogeneous and autonomous local (database) systems. Applications in such an environment use several resources and services. Their conceptual modelling involves re-specification of existing systems in terms of homogeneous views, modelling of behavior and system dynamics, modelling of logically distributed components in an open environment and the modelling of communication relationships and dependencies between components. We introduce a formal object-oriented language capable of dealing with these requirements and illustrate its use to model applications in an interoperable environment.
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Ziółkowski, Jarosław, Jerzy Małachowski, Mateusz Oszczypała, Joanna Szkutnik-Rogoż et Aleksandra Lęgas. « Modelling of the Military Helicopter Operation Process in Terms of Readiness ». Defence Science Journal 71, no 5 (2 septembre 2021) : 602–11. http://dx.doi.org/10.14429/dsj.71.16422.

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The processes of exploitation of military objects are usually characterised by the specificity of the operation and the complexity of both the process itself and the object. This specificity may relate both to the type of tasks that these objects carry out and to the environment in which these processes take place. Complexity is usually reflected in the very structure of an object (for example, a ship, an aircraft or a helicopter) and, consequently, in its operation/maintenance system. The above mentioned features, as well as the limited access to data, naturally limits the set of publications available on this subject. In this article, the authors have presented a method of assessing the readiness of military helicopters operated by the Armed Forces of the Republic of Poland. The readiness of technical objects used in military exploitation systems is a basic indicator of equipment preparation for executing tasks. In exploitation process research, the mathematical models are usually discrete in states and continuous in time stochastic processes, in the set of which Markov models are included. The paper presents an example of using Markov processes with discrete time and with continuous time to assess the readiness of a technical object performing tasks appearing in random moments of time. At the same time, the aim of the examined system to achieve a state of balance is presented.
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Feng, Dan, Junjian Chen, Jingning Liu et Zhikun Wang. « BLESS : Object level encryption security for object-based storage system ». Mathematical and Computer Modelling 55, no 1-2 (janvier 2012) : 188–97. http://dx.doi.org/10.1016/j.mcm.2011.02.024.

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Aziz, Nor Nadirah Abdul, Yasir Mohd Mustafah, Amelia Wong Azman, Amir Akramin Shafie, Muhammad Izad Yusoff, Nor Afiqah Zainuddin et Mohammad Ariff Rashidan. « Features-Based Moving Objects Tracking for Smart Video Surveillances : A Review ». International Journal on Artificial Intelligence Tools 27, no 02 (mars 2018) : 1830001. http://dx.doi.org/10.1142/s0218213018300016.

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Video surveillance is one of the most active research topics in the computer vision due to the increasing need for security. Although surveillance systems are getting cheaper, the cost of having human operators to monitor the video feed can be very expensive and inefficient. To overcome this problem, the automated visual surveillance system can be used to detect any suspicious activities that require immediate action. The framework of a video surveillance system encompasses a large scope in machine vision, they are background modelling, object detection, moving objects classification, tracking, motion analysis, and require fusion of information from the camera networks. This paper reviews recent techniques used by researchers for detection of moving object detection and tracking in order to solve many surveillance problems. The features and algorithms used for modelling the object appearance and tracking multiple objects in outdoor and indoor environment are also reviewed in this paper. This paper summarizes the recent works done by previous researchers in moving objects tracking for single camera view and multiple cameras views. Nevertheless, despite of the recent progress in surveillance technologies, there still are challenges that need to be solved before the system can come out with a reliable automated video surveillance.
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Harbowo, D. G., J. H. Sitorus, L. K. Agustina, R. Muztaba, T. Julian et H. L. Malasan. « 3D Modelling of Meteorite from Astomulyo Village, Lampung, Indonesia by Close Range Photogrammetry (CRP) Methods ». IOP Conference Series : Earth and Environmental Science 1047, no 1 (1 juillet 2022) : 012003. http://dx.doi.org/10.1088/1755-1315/1047/1/012003.

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Abstract This research was conducted to 3D model our meteorite collection based on photo-capturing. This meteorite are from Astomulyo, Central Lampung, Indonesia. It entry the earth's atmosphere and was found on January 28, 2021. The chance of object degradation nearly appears over time, so It is very urgent to obtain the 3D model of the object for further research necessary. 3D modelling was carried out using a non-metric camera to conduct the close-range photogrammetry method. It applies to modelling the objects based on photo data using the concept of collinearity by using a central projection system on the camera to record. The collinearity will produce an object point between the camera center and the object cloud point. Hence, this process forms the object model from the appropriate image projection, the tie point with the triangular irregular network model. As a result, it produces the DTM (Digital Terrain Model) object formation using stand-alone photogrammetric software, raster graphics, and 3D modelling software.
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Chandra, Charu, et Sameer Kumar. « On object modelling for technology management in enterprise ». Human Systems Management 20, no 1 (24 avril 2001) : 35–45. http://dx.doi.org/10.3233/hsm-2001-20106.

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Management of technologies requires managing complexity attributed to their conflicting objectives. A system framework with information modelling using object-oriented paradigm is proposed for managing technological complexity in the enterprise. It emphasises interaction among various components of an enterprise by designing solution methods that explicitly recognise domain independent problem solving and modelling, and domain dependent analysis and implementation. The purpose of such an approach is to ascertain characteristics of the problem independent of its environment. Consequently, the approach delivers solution(s) that are intrinsic only to the problem. A cellular manufacturing system enterprise example is utilised in explaining concepts discussed in the paper. A strategy to implement the proposed framework that enables building flexible and configurable enterprises to deliver customised products is presented. Benefits accruing from such framework are improved conceptual modelling, leading up to development of an object-relational database for scalable and extensible uses of enterprise decision modelling tools.
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Nair, Manjusha, Jinesh Manchan Kannimoola, Bharat Jayaraman, Bipin Nair et Shyam Diwakar. « Temporal constrained objects for modelling neuronal dynamics ». PeerJ Computer Science 4 (23 juillet 2018) : e159. http://dx.doi.org/10.7717/peerj-cs.159.

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Background Several new programming languages and technologies have emerged in the past few decades in order to ease the task of modelling complex systems. Modelling the dynamics of complex systems requires various levels of abstractions and reductive measures in representing the underlying behaviour. This also often requires making a trade-off between how realistic a model should be in order to address the scientific questions of interest and the computational tractability of the model. Methods In this paper, we propose a novel programming paradigm, called temporal constrained objects, which facilitates a principled approach to modelling complex dynamical systems. Temporal constrained objects are an extension of constrained objects with a focus on the analysis and prediction of the dynamic behaviour of a system. The structural aspects of a neuronal system are represented using objects, as in object-oriented languages, while the dynamic behaviour of neurons and synapses are modelled using declarative temporal constraints. Computation in this paradigm is a process of constraint satisfaction within a time-based simulation. Results We identified the feasibility and practicality in automatically mapping different kinds of neuron and synapse models to the constraints of temporal constrained objects. Simple neuronal networks were modelled by composing circuit components, implicitly satisfying the internal constraints of each component and interface constraints of the composition. Simulations show that temporal constrained objects provide significant conciseness in the formulation of these models. The underlying computational engine employed here automatically finds the solutions to the problems stated, reducing the code for modelling and simulation control. All examples reported in this paper have been programmed and successfully tested using the prototype language called TCOB. The code along with the programming environment are available at http://github.com/compneuro/TCOB_Neuron. Discussion Temporal constrained objects provide powerful capabilities for modelling the structural and dynamic aspects of neural systems. Capabilities of the constraint programming paradigm, such as declarative specification, the ability to express partial information and non-directionality, and capabilities of the object-oriented paradigm especially aggregation and inheritance, make this paradigm the right candidate for complex systems and computational modelling studies. With the advent of multi-core parallel computer architectures and techniques or parallel constraint-solving, the paradigm of temporal constrained objects lends itself to highly efficient execution which is necessary for modelling and simulation of large brain circuits.
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Kolditz, Olaf, et Sebastian Bauer. « A process-oriented approach to computing multi-field problems in porous media ». Journal of Hydroinformatics 6, no 3 (1 juillet 2004) : 225–44. http://dx.doi.org/10.2166/hydro.2004.0017.

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Object-oriented methods are becoming more and more important in order to meet the challenges in scientific computing, such as the treatment of coupled multi-field problems with high spatial resolution. This paper introduces an object-oriented concept for modelling multi-process systems in porous media. The basic idea is the direct representation of a physical process by an object of the numerical code. Because a physical process can be represented by a field variable and an equation system, the process object contains the equation system for the field variable as well as all methods needed for building and solving the equation system. The process object is thus self-configuring and well encapsulated, which are the main advantages of this new approach and thus allows for an easy extension to more complex applications with a higher number of processes. The design and implementation of the object-oriented concept for the presented process objects is described in detail and illustrated by a set of application examples.
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Gómez-Martínez, Elena, Ricardo J. Rodríguez, Clara Benac-Earle, Leire Etxeberria et Miren Illarramendi. « A methodology for model-based verification of safety contracts and performance requirements ». Proceedings of the Institution of Mechanical Engineers, Part O : Journal of Risk and Reliability 232, no 3 (30 septembre 2016) : 227–47. http://dx.doi.org/10.1177/1748006x16667328.

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The verification of safety requirements becomes crucial in critical systems where human lives depend on their correct functioning. Formal methods have often been advocated as necessary to ensure the reliability of software systems, albeit with a considerable effort. In any case, such an effort is cost-effective when verifying safety-critical systems. Often, safety requirements are expressed using safety contracts, in terms of assumptions and guarantees. To facilitate the adoption of formal methods in the safety-critical software industry, we propose a methodology based on well-known modelling languages such as the unified modelling language and object constraint language. The unified modelling language is used to model the software system while object constraint language is used to express the system safety contracts within the unified modelling language. In the proposed methodology a unified modelling language model enriched with object constraint language constraints is transformed to a Petri net model that enables us to formally verify such safety contracts. The methodology is evaluated on an industrial case study. The proposed approach allows an early safety verification to be performed, which increases the confidence of software engineers while designing the system.
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Pullan, T. T., M. Bhasi et G. Madhu. « Object-oriented modelling of manufacturing information system for collaborative design ». International Journal of Production Research 50, no 12 (5 juillet 2011) : 3328–44. http://dx.doi.org/10.1080/00207543.2011.575096.

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Osberg, E. A., G. A. Ludgate, S. Koscielniak, D. A. Dohan et C. Inwood. « Dynamic object modelling as applied to the KAON control system ». Nuclear Instruments and Methods in Physics Research Section A : Accelerators, Spectrometers, Detectors and Associated Equipment 293, no 1-2 (août 1990) : 394–401. http://dx.doi.org/10.1016/0168-9002(90)91468-q.

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Motavalli, Saeid. « Object-oriented modelling of a feature-based reverse engineering system ». International Journal of Computer Integrated Manufacturing 9, no 5 (janvier 1996) : 354–68. http://dx.doi.org/10.1080/095119296131463.

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O'Donoghue, P. G., et M. H. Murphy. « Object modelling and formal specification during real-time system development ». Journal of Network and Computer Applications 19, no 4 (octobre 1996) : 335–52. http://dx.doi.org/10.1006/jnca.1996.0023.

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Ninios, Panagiotis, Kiriakos Vlahos et Derek W. Bunn. « Industry simulation : System modelling with an object oriented/DEVS technology ». European Journal of Operational Research 81, no 3 (mars 1995) : 521–34. http://dx.doi.org/10.1016/0377-2217(93)e0136-l.

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Araújo, Jussara de Loiola, et Fernando Henrique de Lima. « The Mathematization Process as Object-oriented Actions of a Modelling Activity System ». Bolema : Boletim de Educação Matemática 34, no 68 (décembre 2020) : 847–68. http://dx.doi.org/10.1590/1980-4415v34n68a01.

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Abstract In this paper, we describe and characterize the mathematization process that happened in an open mathematical modelling project, in which all decisions, from the choice of a real-world problem to its solution, were taken collectively by a group of students and researchers. The study was developed according to a qualitative methodological approach. Based on modelling in mathematics education studies and on the Cultural-Historical Activity Theory (CHAT), we could interpret the mathematization process as a set of actions oriented to the activity system object, and the modelling project objective as the activity object itself. We concluded that the mathematization process, permeated by tensions, took place concurrently with the delimitation of the modelling project objective, which caused a series of advances and setbacks in the subjects' actions.
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Upadhyay, Nitin. « Structural modelling and analysis of Object Oriented Systems : a graph theoretic system approach ». International Journal of Systems, Control and Communications 1, no 2 (2008) : 240. http://dx.doi.org/10.1504/ijscc.2008.021125.

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Matorin, S. I., et V. V. Mikhelev. « Formal-semantic normative system for graphic-analytical modelling ». Journal of Physics : Conference Series 2060, no 1 (1 octobre 2021) : 012020. http://dx.doi.org/10.1088/1742-6596/2060/1/012020.

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Abstract A formal-semantic normative system (FSNS) is presented in this paper. The FSNS allows us to describe the links and functional units of typical information processes. The possibility of using the FSNS to automate graphical-analytical modelling and machine learning is shown. Properties of the FSNS are described. On its basis, a method is developed for specifying a formal alphabet of system connection nodes that has a specific subject content. The rules for manipulating the received alphabetic characters are also presented. The possibility and expediency of building a normative system with increased expressive capabilities is substantiated. This paper provides a brief description of the «Unit-Function-Object» system-object approach. Considered the possibility of using DL for the FSNS in an unambiguous, formalized form. An example of using the FSNS is presented.
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Kok Meng, Ong, Ong Pauline, Low Ee Soon et Sia Chee Kiong. « Robotic Arm System with Computer Vision for Colour Object Sorting ». International Journal of Engineering & ; Technology 7, no 4.27 (30 novembre 2018) : 50. http://dx.doi.org/10.14419/ijet.v7i4.27.22479.

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This study presents the development of robotic arm with computer vision functionalities to recognise the objects with different colours, pick up the nearest target object and place it into particular location. In this paper, the overview of the robotic arm system is first presented. Then, the design of five-degrees of freedom (5-DOF) robotic arm is introduced, followed by the explanation of the image processing technique used to recognize the objects with different colours and obstacle detection. Next, the forward kinematic modelling of the robotic arm using Denavit-Hartenberg algorithm and solving the inverse kinematic of the robotic arm using modified flower pollination algorithm (MFPA) are interpreted. The result shows that the robotic arm can pick the target object accurately and place it in its particular place successfully. The concern on user safety is also been taken into consideration where the robotic arm will stop working when the user hand (obstacle) is detected and resume its process when there is no obstacle.
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Merunka, V. « BORM &ndash ; overview of the methodology and case study of the agrarian information system ». Agricultural Economics (Zemědělská ekonomika) 49, No. 9 (2 mars 2012) : 397–406. http://dx.doi.org/10.17221/5421-agricecon.

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BORM (Business Object Relationship Modelling) is a methodology developed to capture the knowledge of process-based business systems. It has been in development since 1993 and has proved an effective method, which is popular with both users and analysts. This paper presents BORM, its tools, and methods via a case study of the agrarian information system. BORM is based on the combination of object-oriented approach and process-based modelling. Also, an advantage of BORM is the small number of concepts required combined with a considerable expressiveness. In this way, BORM is in the tradition of pure approach established over the past years by structured modeling techniques.
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Dziubiński, Mieczysław, Mieczysław Plich et Artur Drozd. « Modelling and Simulation Characteristics of Starting System ». Journal of KONBiN 37, no 1 (1 juillet 2016) : 277–96. http://dx.doi.org/10.1515/jok-2016-0013.

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Abstract The main purpose of the work was to develop the analytical simulation model for the starting system and to verify it on the real object. The reliability analysis of the starting system connected with operating use of mechanical and electric elements has been carried out in the developed model. It was a novelty in the conducted examination to use the LabView software for the registration of electric signals (current and voltage) and mechanical ones (rotational speed and torque).
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Eliseev, A. V., et N. K. Kuznetsov. « A technology of structural mathematical modelling for engineering objects under vibrational loading : Interaction forms and dynamic invariants ». iPolytech Journal 26, no 3 (8 octobre 2022) : 368–85. http://dx.doi.org/10.21285/1814-3520-2022-3-368-385.

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We present a system approach to evaluating dynamic forms of interactions between elements of mechanical oscillatory systems, which can be applied as design diagrams of engineering objects used for transport or technology purposes. The approach of structural mathematical modelling was used, where a mechanical oscillatory system (with the finite number of freedom degrees) is compared to the block diagram of a dynamically equivalent automatic control system. The research object was represented by a family of mechanical oscillatory systems with the finite number of freedom degrees under the action of connected force harmonic disturbances. The main research focus was on a set of dynamic states of an engineering object, which are caused by the application of common-phase external force disturbances at various frequencies and characterised by a connection coefficient. For a family of chain mechanical oscillatory systems with two degrees of freedom, a method for interpreting a set of dynamic states in the form of oriented graphs was developed. A method for constructing a population graph of dynamic states based on the frequency response of system transfer functions was developed. Within the framework of the developed interpretation, the graphs of dynamic states can be considered as peculiar invariants that persist on sets of mechanical oscillatory system parameters. Using the methodology of structural mathematical modelling, a concept of dynamic invariants was developed, according to which the totality of dynamic invariants can be used to provide a general evaluation of the variety of dynamic states and forms of dynamic interactions between the elements of mechanical oscillatory systems. The proposed concept of dynamic invariants extends the methodology of structural mathematical modelling in relation to the problems of system analysis for ensuring the safety of engineering objects for transport and technology purposes under the conditions of connected vibrational loading.
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Setiawan, Ari, Luthfan Qashmal, Rachmawati Wangsaputra, Yatna Yuwana Martawirya et Abdul Hakim Halim. « An Object-Oriented Modelling of Production Scheduling for Flexible Manufacturing System ». Applied Mechanics and Materials 842 (juin 2016) : 345–54. http://dx.doi.org/10.4028/www.scientific.net/amm.842.345.

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This paper presents an object-oriented modelling approach to production scheduling for FMS. The purpose of this study is to prepare a simulation tool to try a method of production scheduling that allocates jobs to the machines and cutting tools in an FMS. This model is developed by using Pharo as the language software for object-oriented programming through UML system design. This model consists of three types of classes. The first type is the Equipment-class, which related to the physical equipment in the FMS, for example machining-centers, cutting tools, pallet stocker, stacker crane. The second type is the Product-class that related to the information how to process the product. This class has sub-class such as process plan, machining operation and required cutting tools. The third class is the Production Planning and Controlling (PPC) class, which related to create the schedule to equipment. The PPC-class has sub-classes such as the daily order or job, job sequence, job allocation on machine and scheduling methods. A numerical example is provided in this paper to show that the object-oriented model for FMS and production scheduling is verified. The FMS consist of four identical machining centers and eight jobs. Each job has a process plan that requires some specific cutting tool types. The method for production scheduling in this model is Shortest Processing Time (SPT). The production scheduling performance is measured in this model.
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Weber, Philippe, et Lionel Jouffe. « Complex system reliability modelling with Dynamic Object Oriented Bayesian Networks (DOOBN) ». Reliability Engineering & ; System Safety 91, no 2 (février 2006) : 149–62. http://dx.doi.org/10.1016/j.ress.2005.03.006.

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Loh, Wai-Lung, et Gee-Swee Poo. « Object-oriented modelling and specification of the X.400 mail system ». Computer Communications 17, no 3 (mars 1994) : 148–55. http://dx.doi.org/10.1016/0140-3664(94)90002-7.

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Hakavik, B., et A. T. Holen. « Power system modelling and sparse matrix operations using object-oriented programming ». IEEE Transactions on Power Systems 9, no 2 (mai 1994) : 1045–51. http://dx.doi.org/10.1109/59.317627.

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Hu, Yaoyu, et Ai Wang. « Modelling technique of the object-attribute system oriented to data mining ». International Journal of Information Technology and Management 17, no 3 (2018) : 155. http://dx.doi.org/10.1504/ijitm.2018.092878.

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Wang, Ai, et Yaoyu Hu. « Modelling technique of the object-attribute system oriented to data mining ». International Journal of Information Technology and Management 17, no 3 (2018) : 155. http://dx.doi.org/10.1504/ijitm.2018.10012816.

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Jun, Tao. « 3D modelling of small object based on the projector‐camera system ». Kybernetes 41, no 9 (12 octobre 2012) : 1269–76. http://dx.doi.org/10.1108/03684921211275298.

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Shahid, M. S., C. Saygin et H. Eskicioglu. « A Frame-Based Object-Oriented Product Modelling System for Rotational Components ». IFAC Proceedings Volumes 27, no 4 (juin 1994) : 135–38. http://dx.doi.org/10.1016/s1474-6670(17)46012-5.

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A.Ayub, Muhammad, Rabiatul A.Jaafar, Amir Abdul Latif et . « Tactile Sensor for Manipulation of Deformable Object ». International Journal of Engineering & ; Technology 7, no 4.27 (30 novembre 2018) : 101. http://dx.doi.org/10.14419/ijet.v7i4.27.22492.

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The variable physical property of deformable objects, which are very flexible, soft and viscoelastic, causes the design of reliable automated handling system relatively difficult. In fact, most of these objects tend to be handled manually during the handling process. Therefore, a new optical tactile sensor for an intelligent handling of the non-rigid materials is presented in this paper. Mathematical modelling and control algorithm are developed and the tactile sensor is calibrated in this research. Based on the results that have been recorded, the surface characterization with the respect to normal force applied to the object is attained. A gripper handling system is used to accommodate variable physical properties of the deformable materials, which are very flexible, soft and viscoelastic. In addition to that, the gripper needs to handle the materials with the minimum deformation so that less distortion, and higher accuracy of manipulation can be achieved. Efficient and accurate modelling of deformations is crucial for grasping analysis.
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Lee, Daniel T. « Object-Oriented Application on Data Modelling and Knowledge Representation : A System Integration Approach ». Journal of Information Technology 4, no 4 (décembre 1989) : 205–15. http://dx.doi.org/10.1177/026839628900400404.

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Traditional data modelling techniques of DSS and modern knowledge representation methodologies of ES are inconsistent. A new unifying model is needed for integrating the two systems into a unified whole. After a brief review of data modelling techniques and knowledge representation methodologies, the unifying model will be described and integrated systems will be used to exemplify the usefulness of the unifying model.
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German-Galkin, Sergey, et Maciej Kozak. « Structural Model of the Electric Drive with Double-Fed Asynchronous Machine and Direct Torque Control ». Multidisciplinary Aspects of Production Engineering 1, no 1 (1 septembre 2018) : 41–45. http://dx.doi.org/10.2478/mape-2018-0006.

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Abstract At present, the development of modern complex objects management systems, including electric motors, must include the step of modelling studies, which allows you to obtain basic characteristics, slightly different from the real characteristics of the object. The development of an adequate model, which can simulate the system under investigation, eliminates the stage of conceptual design and significantly reduce the engineering design stage, and therefore saves time and money.
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Hennicker, L., N. D. Kee, T. Shenar, J. Bodensteiner, M. Abdul-Masih, I. El Mellah, H. Sana et J. O. Sundqvist. « Binary-object spectral-synthesis in 3D (BOSS-3D) ». Astronomy & ; Astrophysics 660 (avril 2022) : A17. http://dx.doi.org/10.1051/0004-6361/202141831.

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Context. To quantitatively decode the information stored within an observed spectrum, detailed modelling of the physical state and accurate radiative transfer solution schemes are required. The accuracy of the model is then typically evaluated by comparing the calculated and observed spectra. In the analysis of stellar spectra, the numerical model often needs to account for binary companions and 3D structures in the stellar envelopes. The enigmatic binary (or multiple) system LB-1 constitutes a perfect example of such a complex multi-D problem. Thus far, the LB-1 system has been indirectly investigated by 1D stellar-atmosphere codes and by spectral disentangling techniques, yielding differing conclusions about the nature of the system (e.g., a B-star and black-hole binary with an accretion disc around the black hole or a stripped-star and Be-star binary system have been proposed). Aims. To improve our understanding of the LB-1 system, we directly modelled the phase-dependent Hα line profiles of this system. To this end, we developed and present a multi-purpose binary-object spectral-synthesis code in 3D (BOSS-3D). Methods. BOSS-3D calculates synthetic line profiles for a given state of the circumstellar material. The standard pz-geometry commonly used for single stars is extended by defining individual coordinate systems for each involved object and by accounting for the appropriate coordinate transformations. The code is then applied to the LB-1 system, considering two main hypotheses, a binary containing a stripped star and Be star, or a B star and a black hole with a disc. Results. Comparing these two scenarios, neither model can reproduce the detailed phase-dependent shape of the Hα line profiles. A satisfactory match with the observations, however, is obtained by invoking a disc around the primary object in addition to the Be-star disc or the black-hole accretion disc. Conclusions. The developed code can be used to model synthetic line profiles for a wide variety of binary systems, ranging from transit spectra of planetary atmospheres, to post-asymptotic giant branch binaries including circumstellar and circumbinary discs and massive-star binaries with stellar winds and disc systems. For the LB-1 system, our modelling provides strong evidence that each object in the system contains a disc-like structure.
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Wang, Hong Hao, Hui Quan Wang et Zhong He Jin. « UML Based Design Approach for Storage System of Nano-Satellite ». Applied Mechanics and Materials 599-601 (août 2014) : 530–33. http://dx.doi.org/10.4028/www.scientific.net/amm.599-601.530.

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Due to the complex timing sequence of NAND flash, a unified design process is urgently required to guarantee the reliability of storage system of nano-satellite. Unified Modeling Language (UML) is a widely used high level modeling language for object-oriented design. This paper adopts the UML as the design and modelling tool in the low level storage system design to elaborate the UML application in each phase of design in detail. The result shows taking UML as the modelling tool results in a clear and unambiguity design, which promotes the reliability and quality of software. At last, the feasibility of object-oriented implementation in C is presented.
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CHAN, CHRISTINE WAICHI, WEERAPONG KRITPIPHAT et PAITOON TONTIWACHWUTHIKUL. « KNOWLEDGE ENGINEERING OF A MONITORING AND CONTROL DECISION SUPPORT SYSTEM ». International Journal of Software Engineering and Knowledge Engineering 10, no 03 (juin 2000) : 301–18. http://dx.doi.org/10.1142/s0218194000000183.

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This paper presents the Object-Oriented Knowledge Engineering (OOKE) methodology and its application in developing an expert system. OOKE is an expert system development methodology which incorporates the conceptual modelling tool of Inferential Modelling Technique into the analysis model of the Object-Oriented Software Engineering methodology. It was applied to develop a supervisory and decision support system for monitor and control of a water distribution system called the Water Advisor. The expertise, heuristics and reasoning knowledge of experts were acquired and then formulated in a model building process using the OOKE into a conceptual model which became the basis for a prototype expert system.
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Z. Abidin, Z. F., et M. N. Osman Zahid. « Real time object customization in CAD system ». Indonesian Journal of Electrical Engineering and Computer Science 15, no 2 (1 août 2019) : 1066. http://dx.doi.org/10.11591/ijeecs.v15.i2.pp1066-1075.

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Object customization in Computer Aided Design (CAD) is a method used to modify the sketch parameters and change the model geometries. This method is one of important features in part modelling which empowered CAD user to simply modify their product. The conventional method of modifying CAD model is usually relied on the manual editing. This paper outlines a development of program than can be integrated in CAD/CAM system for real time object customization. It uses Visual Basic (VB) programming with custom Graphical User Interface (GUI) generated in NX10 (CAD/CAM software) interface. The main contribution of this research is a tool for real time object customization that capable to assist the modification of 3D model. In order to develop the tool, 3D model modification instructions are translated into programming codes by using Journaling tools in NX interface. Editable parameters are identified based on the model shapes. The related codes are reconstructed, modified and linked to the functional GUI. This allows user to simply modify the model shapes in real time with minimum process steps. The performance of the method is evaluated in terms of the reduction of process steps and time in modifying the 3D model in CAD system. All the findings and details of approach are presented.
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