1991 Winter Simulation Conference Proceedings.

8-11 Dec. 1991

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Displaying Results 1 - 25 of 161
  • 1991 Winter Simulation Conference Proceedings (Cat. No.91CH3050-2)

    Publication Year: 1991
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    Freely Available from IEEE
  • SIGMA tutorial

    Publication Year: 1991, Page(s):95 - 100
    Cited by:  Papers (1)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (446 KB)

    SIGMA (simulation graphical modeling and analysis) is an interactive graphics approach to discrete event simulation. The author gives a brief introduction to simulation graph modeling with SIGMA. In addition, some recent advances in the SIGMA software are discussed and an example is presented. Among the recent enhancements to SIGMA are graphs for output analysis, ranked lists, and a facility for c... View full abstract»

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  • ProModel tutorial (manufacturing simulation)

    Publication Year: 1991, Page(s):101 - 105
    Cited by:  Papers (4)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (360 KB)

    ProModel combines the flexibility of general-purpose simulation languages and the easy-to-use features of manufacturing simulators. The authors present ProModel's design philosophy, describe its modeling elements, and illustrate these elements with an example. It is concluded that ProModel is designed for manufacturing companies to fully achieve the benefits of simulation technology at an affordab... View full abstract»

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  • SLAM II tutorial (simulation language)

    Publication Year: 1991, Page(s):112 - 117
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (407 KB)

    SLAM II is a simulation language which allows a modeler to formulate a system description using process, event, or continuous world views, or any combination of the three. Since its initial release in 1981, SLAM II has undergone continual development and application. The author provides an introduction to the modeling language and describes the most recent developments in SLAM II. Particular atten... View full abstract»

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  • Tutorial: Scheduling manufacturing systems with FACTOR

    Publication Year: 1991, Page(s):128 - 131
    Cited by:  Papers (1)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (260 KB)

    The basic concepts of FACTOR version 5.0 as applied to scheduling a production facility are presented. The topics discussed include the FACTOR 5.0 modeling constructs, integration with existing production data, and the use of FACTOR for schedule creation and adjustment.<> View full abstract»

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  • PASION tutorial

    Publication Year: 1991, Page(s):152 - 156
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (348 KB)

    PASION, a process- and event-oriented simulation language designed for PASCAL users, is discussed. The language has a two-level (process/event) structure and permits the use of all the PASCAL structures. It also offers the main features of object-oriented programming. PASION provides the necessary facilities to handle sequences of random events, queues, and quasi-parallel processes, both discrete ... View full abstract»

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  • A tutorial introduction to object-oriented simulation and Sim++

    Publication Year: 1991, Page(s):157 - 163
    Cited by:  Papers (5)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (517 KB)

    The key benefits of object-oriented programming, object-oriented simulation, and object-oriented parallel simulation are presented. This is followed by a tutorial introduction of Sim++, an object-oriented parallel simulation language. A simple transportation system simulation is used to introduce the basic simulation concepts and facilities provided by Sim++.<> View full abstract»

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  • Gradient estimation for ratios

    Publication Year: 1991, Page(s):986 - 993
    Cited by:  Papers (24)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (462 KB)

    The authors consider the interplay between gradient estimation and ratio estimation. Given unbiased estimators for the numerator and the denominator of the ratio, as well as their gradients, joint central-limit theorems for the ratio and its gradient are derived. The resulting confidence regions are of potential interest when optimizing such ratios numerically, or for sensitivity analysis with res... View full abstract»

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  • Incorporating simulation into a design environment

    Publication Year: 1991, Page(s):1180 - 1186
    Cited by:  Papers (1)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (468 KB)

    The author describes a methodology that provides a simulation capability for certain kinds of software environments. The required simulation functions are partitioned into a number of well-defined functional roles that represent basic units from which discrete event simulation programs can be constructed. A novel approach to constructing modeling environments is used. To insulate the users from ma... View full abstract»

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  • Object oriented simulation tools necessary for a flexible batch process management architecture

    Publication Year: 1991, Page(s):323 - 330
    Cited by:  Patents (2)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (764 KB)

    Present an architecture for batch process management with particular emphasis on the simulation tools contained in the environment. Within the architecture are a suite of high-level tools that interface with a user to obtain a high level of batch processing flexibility. These high-level tools are being developed in a modular fashion. Two simulation assistants have been proposed for a complete batc... View full abstract»

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  • Computer simulation: an important tool in the fast-food industry

    Publication Year: 1991, Page(s):811 - 815
    Cited by:  Papers (3)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (280 KB)

    The author discusses the role of computer simulation at Pizza Hut, and describes the characteristics of the simulation models. It is noted that through the use of simulation production and service aspects of Pizza Hut restaurant and delivery unit operations can be examined relative to staffing levels, equipment layout, workflow, customer service, and capacity. This permits optimization of methods ... View full abstract»

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  • The separation and explicit declaration of model control structures in support of object-oriented simulation

    Publication Year: 1991, Page(s):1173 - 1179
    Cited by:  Papers (1)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (608 KB)

    The author introduces concepts for the separation of model logic control structures from simulation models in support of the object-oriented simulation of manufacturing systems. A three-part separation of simulation model structures is proposed to support and enhance object-oriented simulation of manufacturing systems. The three-part structural separation is made to enhance flexibility, extensibil... View full abstract»

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  • Object oriented simulation with Smalltalk-80: a case study

    Publication Year: 1991, Page(s):312 - 322
    Cited by:  Papers (2)  |  Patents (2)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (760 KB)

    The authors relate their experience with object-oriented simulation. They begin with a few historical developments that led to object-oriented programming. The objectives of an object-oriented simulation model developed as a case study are presented. A virtual cellular manufacturing system which has served as the referent system for the experimentation is introduced. The object-oriented modeling m... View full abstract»

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  • The simulation of the non-linear dynamic behavior of distributed routing networks using DECSIM

    Publication Year: 1991, Page(s):705 - 715
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (656 KB)

    DECSIM, a logic hardware simulator, was used to model a router. Various load conditions were simulated on a mesh of 25 and 400 routers to characterize the network behavior both in the linear and in the nonlinear regions. Different scheduling methods were used to characterize the systems' bandwidth. Simulation results are presented and compared to the nonlinear behavior of natural systems. For the ... View full abstract»

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  • SIMSCRIPT II.5 and MODSIM II: A brief introduction

    Publication Year: 1991, Page(s):62 - 66
    Cited by:  Papers (1)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (384 KB)

    The SIMSCRIPT II.5 and MODSIM II programming languages are described. SIMSCRIPT II.5 with its integrated graphical interface, SIMGRAPHICS, substantially reduces time and effort in simulation model development. Its English-like syntax improves readability of the code and substantially reduces the need for documentation. MODSIM II is a modern object-oriented language with built-in support for simula... View full abstract»

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  • Research issues in metamodeling

    Publication Year: 1991, Page(s):888 - 893
    Cited by:  Papers (11)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (412 KB)

    The author identifies and discusses some of the research issues in metamodeling of simulation models after giving an overview of the metamodeling process. Metamodeling of the M/M/1 queue is used to illustrate some of the issues View full abstract»

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  • Simulation of Fox River locks boat lift

    Publication Year: 1991, Page(s):802 - 808
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (508 KB)

    The SLAM computer simulation model of the locks system on the lower Fox River was modified to represent the operation of a proposed boat lift at the Rapide Croche lock. This boat lift is needed due to construction of a barrier to prevent migration of sea lamprey into the Fox River and Wolf River basins. The barrier gas put in place prior to the 1988 navigation season by sealing the Rapide Croche l... View full abstract»

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  • Application of hierarchical modeling concepts to a multi-analysis environment

    Publication Year: 1991, Page(s):1165 - 1172
    Cited by:  Papers (3)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (640 KB)

    An environment which enables the application of multiple analysis formalisms or paradigms to a commonly defined problem is extended to include hierarchical modeling concepts. A description of the development of the object-oriented environment is provided as background. Concepts of model development are introduced in order to emphasize the value of hierarchical modeling concepts. Implementation of ... View full abstract»

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  • An approach to object-oriented discrete-event simulation of manufacturing systems

    Publication Year: 1991, Page(s):302 - 311
    Cited by:  Papers (11)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (812 KB)

    It is shown how the object-oriented approach can be applied to discrete-event simulation and, in particular, to discrete-event simulation of manufacturing systems. A hierarchical structure of object classes is proposed, consisting of three class libraries: base classes, simulation support object classes, and manufacturing systems simulation object classes. The definition of each class and how the ... View full abstract»

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  • Integrating GIS, simulation and animation

    Publication Year: 1991, Page(s):771 - 775
    Cited by:  Papers (3)  |  Patents (4)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (224 KB)

    The author describes techniques for combining the strengths of geographical information systems (GISs), microscopic simulation, and computer animation. A simulation system integrated with an existing GIS to provide the user with the capability of accessing and managing the information transfer between the GIS and the simulation models is described. This integrated system need not be limited to sim... View full abstract»

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  • On using continuous flow lines for performance estimation of discrete production lines

    Publication Year: 1991, Page(s):968 - 977
    Cited by:  Papers (9)  |  Patents (3)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (804 KB)

    The authors explore the use of models of continuous tandem (CT) lines for performance analysis of discrete tandem (DT) production lines. They formalize the translation of input parameters and performance measures (PMs) between DT and CT lines. They show that the CT model can be represented as a generalized semi-Markov process. This leads to a concise simulation algorithm for a CT model. The author... View full abstract»

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  • Abstraction morphisms for world modelling in high autonomy systems

    Publication Year: 1991, Page(s):1129 - 1138
    Cited by:  Papers (3)  |  Patents (1)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (808 KB)

    A model-based autonomous system uses a multiplicity of models at various control layers to support the predefined system objectives. These models differ in level of abstraction and in formalism. It is noted that concepts and tools are needed to organize the models into a coherent whole. The authors have developed abstraction mechanisms for mapping models of laboratory instruments into operational ... View full abstract»

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  • Performance evaluation of ATM architectures in multimedia traffic environments

    Publication Year: 1991, Page(s):695 - 704
    Cited by:  Patents (1)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (740 KB)

    A simulation model for the performance evaluation of fast packet switching architectures under multimedia traffic conditions is presented. The simulator is based on an integration of the SLAM-II tool with special-purpose C routines that model the internal structure and operational details of the basic switching fabrics. Two types of traffic sources, namely, Bernoulli sources and correlated sources... View full abstract»

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  • GPSS World: A brief preview

    Publication Year: 1991, Page(s):59 - 61
    Cited by:  Papers (6)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (228 KB)

    GPSS (general purpose simulation system) World is a complete redesign and reimplementation of the popular GPSS/PC simulation environment. The limitations of the old PC DOS environment and the emerging trends in desktop computing have combined to motivate drastic changes which are planned for the new environment to be made available, beginning in 1992. The inclusion of windowing, virtual memory, an... View full abstract»

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  • Linking simulation model specification and parallel execution through UNITY

    Publication Year: 1991, Page(s):223 - 232
    Cited by:  Papers (1)  |  Patents (3)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (748 KB)

    Presents the results of an attempt to bridge the gap between the requirements and philosophy of parallel programming (attention being focused on crucial efficiency-related implementation details) and the requirements and philosophy of a simulation model specification (attention being focused on correctly and simply describing the model behavior). K.M. Chandry and J. Misra's (1988) UNITY system is ... View full abstract»

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