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1990 Winter Simulation Conference Proceedings

9-12 Dec. 1990

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Displaying Results 1 - 25 of 160
  • Proving temporal properties of hybrid systems

    Publication Year: 1990, Page(s):250 - 256
    Cited by:  Papers (2)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (679 KB)

    A formal technique, DMOD, for modeling hybrid systems is presented. It is based on utilizing intuitions about the causality relation, and the logic of definite clauses with the SLD-resolution proof procedure. An algorithm to simulate with DMOD models is presented. Then, a general framework in which temporal properties of hybrid systems can be formulated and proved (given that those systems are mod... View full abstract»

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  • Simulating dedicated UNIX PC-based application systems

    Publication Year: 1990, Page(s):831 - 838
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (575 KB)

    An event-driven simulation model was developed to estimate the balance the hardware resources needed to support dedicated UNIX PC-based application systems. The authors describe the simulation approach, the software package developed, and the tool used to generate the model and collect data from it. Novel elements of this research include (1) simulation of software that reacts to changes in its ex... View full abstract»

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  • 1990 Winter Simulation Conference Proceedings (Cat. No.90CH2926-4)

    Publication Year: 1990
    Request permission for commercial reuse | PDF file iconPDF (46 KB)
    Freely Available from IEEE
  • Special purpose simulator development

    Publication Year: 1990, Page(s):67 - 71
    Cited by:  Papers (4)  |  Patents (2)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (380 KB)

    Seven years of experience at developing special-purpose simulators using standard simulation languages is reviewed. These simulators were designed to be used by manufacturing engineers or managers with little or no simulation modeling experience. These simulators have used Lotus worksheets or model development programs to provide the system data to be simulated. The results are available by either... View full abstract»

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  • A five level hierarchy for the management of simulation models

    Publication Year: 1990, Page(s):55 - 64
    Cited by:  Papers (5)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (984 KB)

    The goal-driven automated generation of models from a set of design specifications is described. A five-level hierarchy is introduced which supports the automated generation of both models and simulation experiments from an abstract description of an overall design, and from an abstract description of the goals of the simulation study. The aim is to be able to generate models and experiments in a ... View full abstract»

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  • The Command and Control Communications and Information Network Analysis Tool (C3INAT)

    Publication Year: 1990, Page(s):888 - 894
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (576 KB)

    The development of a large scale communications system is complicated by the great scope of design considerations. C3INAT simplifies this problem by use of a stratified model which separates command and control (C2) and communication submodels which may be developed independently. C3INAT then integrates the two submodels so that a communication system may be evaluated in light of its ef... View full abstract»

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  • Evaluation of heuristics for inspection station allocation in serial production systems

    Publication Year: 1990, Page(s):919 - 922
    Cited by:  Papers (1)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (296 KB)

    The performance of four inspection-station allocation heuristics is evaluated on the basis of job completion time in serial production systems under different operating conditions. Inspection time is found to be the most influential factor in the selection of the proper heuristic. Moreover, the performance obtained in the time domain can be related to the performance in the cost domain within whic... View full abstract»

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  • A simulation study of the communications performance of the Federal Aviation Administration Mode Select Beacon System for air traffic control

    Publication Year: 1990, Page(s):820 - 825
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (416 KB)

    The systems is an integrated aircraft surveillance and communications system which is being implemented by the Federal Aviation Administration for use in air traffic control in the 1990s. The study was initiated in order to study the interaction of network layer entities within the Mode S system and to quantify the effect of higher-layer communication protocols on the performance of the system. In... View full abstract»

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  • A simulation-based work order release mechanism for a flexible manufacturing system

    Publication Year: 1990, Page(s):599 - 602
    Cited by:  Papers (2)  |  Patents (5)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (256 KB)

    A simulation model and real-time interface module for an operational FMS (flexible manufacturing system) facility were developed to evaluate work order release sequences on a real-time basis. Unlike most simulation studies, the evaluation is based on the transient behavior of the system and not steady-state performance. The time window in which a work order is predicted to be completed is consider... View full abstract»

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  • Output analysis for simulation

    Publication Year: 1990, Page(s):49 - 54
    Cited by:  Papers (5)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (628 KB)

    Methods for analyzing data produced by simulations are reviewed. The author discusses the objectives of output analysis and examines the need to apply statistical methods. Methods for estimating parameters from terminating and steady-state simulations are presented. For steady-state simulations, methods for computing estimates of the mean, as well as proportions and percentiles, are presented. Mul... View full abstract»

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  • An evaluation technique for a protocol in development

    Publication Year: 1990, Page(s):884 - 887
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (332 KB)

    Existing local area network protocol evaluation techniques are found to be inefficient in the evaluation of a protocol in development. A protocol evaluation process is formulated to help quickly assess if the Xpress Transfer Protocol (XTP) meets the real-time data communications requirements of the US Navy. The evaluation technique combines a detailed analysis of the XTP specification with attempt... View full abstract»

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  • An AGVS simulation code generation for manufacturing applications

    Publication Year: 1990, Page(s):676 - 682
    Cited by:  Papers (1)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (556 KB)

    The concept of developing an automatic simulation method in connection with the design of an automated guided vehicle system (AGVS) is considered. A simulation code generator (SCG), implemented to demonstrate this concept, is described. The generator converts input data, provided by the designer, into a SIMAN simulation program for evaluating a manufacturing system with automated guided vehicles m... View full abstract»

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  • Concurrent simulation with entity life modeling: an airport simulator using Ada

    Publication Year: 1990, Page(s):911 - 918
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (564 KB)

    The authors present the design and implementation of an airport simulator based on the entity-life model. The concurrency features of Ada, combined with the design principles of the entity-life model, are shown to be very appropriate to the airport simulation problem, which is inherently concurrent. The tasks resulting from the design based on the entity-life model were mostly isomorphic to the re... View full abstract»

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  • Simulation of a real-time fault detection and analysis system for a CIM token ring network

    Publication Year: 1990, Page(s):813 - 819
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (664 KB)

    Real-time fault detection and correction for CIM (computer-integrated manufacturing) operations in a distributed system architecture are introduced. Initially, an architecture is formulated that addresses problems related to the ability to handle real-time data and uncertain information. The techniques developed establishes a secondary channel for reallocation of critical resources and provides fo... View full abstract»

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  • A tutorial on WITNESS

    Publication Year: 1990, Page(s):177 - 179
    Cited by:  Papers (3)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (272 KB)

    WITNESS, a computerized simulation system designed for modeling manufacturing operations, has been designed to enable people with no previous simulation experience to learn and apply simulation modeling quickly. Models are constructed by defining the key elements that make up the manufacturing system, displaying them on the screen, and specifying the details of their timings, routings, capacities,... View full abstract»

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  • Implementation issues using simulation for real-time scheduling, control, and monitoring

    Publication Year: 1990, Page(s):595 - 598
    Cited by:  Papers (19)  |  Patents (1)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (420 KB)

    Some of the most significant implementation issues of using simulation for real-time scheduling and control decision-making in a computer-integrated manufacturing system are presented. The issues discussed include modeling structure, interfacing to the physical system, saving system status for evaluating alternatives, and recovery at decision points. The discussion is based on experience working w... View full abstract»

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  • Applying knowledge-based system design and simulation in information system requirements determination

    Publication Year: 1990, Page(s):407 - 411
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (400 KB)

    Knowledge-based system design and simulation (KBSDS) is a general system design framework that uses a system entity structure, rule-based expert system techniques, and hierarchical system modeling and simulation. In order to assess the applicability of KBSDS in information system development, a spectrum of paradigms for use in the early stages of information system development was carefully select... View full abstract»

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  • Smoothing time series for input and output analysis in system simulation experiments

    Publication Year: 1990, Page(s):46 - 48
    Cited by:  Patents (3)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (264 KB)

    Classical methods of studying the behavior of the output of a simulation model as a function of parameters (independent variables, factors, predictor variables) can be divided into global regression and smoothing (local regression). Neither of these methods is adequate, especially when the observations are a function of a time evolution variable and are probably highly correlated. The authors exam... View full abstract»

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  • Ammunition upload and deployment V2.0: a simulation analysis

    Publication Year: 1990, Page(s):878 - 883
    Cited by:  Papers (1)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (404 KB)

    A simulation model capable of analyzing the deployment strategies of combat, combat support, and service support units is developed. Currently the model is programmed for a field artillery battalion uploading ammunition from an ammunition supply point. The model can be adapted to represent a brigade element or other units as directed. The program is user formulated, with 100 variables defined prio... View full abstract»

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  • Using the MAXX simulator for electronic card manufacturing

    Publication Year: 1990, Page(s):669 - 675
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (480 KB)

    MAXX is a manufacturing-oriented simulator designed for detailed modeling and analysis of a manufacturing line. It is capable of evaluating both steady-state long-term performance and transient performance based on short-term production schedules for many types of manufacturing systems. It requires no programming by a user; instead, users interact with MAXX through menus, tables, forms, and a grap... View full abstract»

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  • A simulation analysis of the effects of transportation system parameters on inventory levels

    Publication Year: 1990, Page(s):908 - 910
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (236 KB)

    The author describes the investigation of various aspects of operation of a combined truck/trailer-railroad transportation system. The system involves shipment of manufactured parts from Mexico through the United States and into Canada. The objectives were to investigate the effect of a number of variables in the transportation system upon inventory level at the Canadian distribution warehouse and... View full abstract»

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  • Unboundedly parallel simulations via recurrence relations for network and reliability problems

    Publication Year: 1990, Page(s):731 - 733
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (260 KB)

    Novel methods are presented for parallel simulation of discrete event systems that, when applicable, can use a number of processors much larger than the number of objects in the system being simulated. The simulation problem is posed using recurrence relations, and three algorithmic ideas are brought to bear on its solution: parallel prefix computation, parallel merging, and iterative folding. Eff... View full abstract»

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  • Simulation of the LAN behavior in the Distributed HP-UX environment

    Publication Year: 1990, Page(s):805 - 812
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (656 KB)

    The ability of local area networks (LANs) to handle the large amount of data transfer among distributed workstations is frequently questioned. A LAN study is reported which investigated both the Ethernet LAN and the Distributed HP-UX data communication protocol implemented on it. An approach involving experimentation and analytical and simulation modeling was followed. The models were vigorously v... View full abstract»

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  • Modeling manufacturing systems using MANUPLAN and SIMSTARTER-a tutorial

    Publication Year: 1990, Page(s):168 - 176
    Cited by:  Papers (5)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (808 KB)

    MANUPLAN and SIMSTARTER are software tools that allow rapid modeling and analysis of manufacturing systems. The benefits of rapid analysis in today's competitive manufacturing world are discussed. A sample problem regarding decision making for a manufacturing cell is stated, and it is shown how this problem can be addressed with MANUPLAN. The main features of the SIMSTARTER simulation generator ar... View full abstract»

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  • Effective cost modeling on the factory floor: Taking simulation to the bottom line

    Publication Year: 1990, Page(s):590 - 594
    Cited by:  Papers (1)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (476 KB)

    A discussion on the effective implementation of cost modeling methodologies on the factory floor is presented. The target audience is industrial and manufacturing engineers who are experienced in simulation modeling and are familiar with manufacturing cost issues. The authors present a wide spectrum of viewpoints which reflect a belief that activity-based product costing more accurately reflects t... View full abstract»

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