Visual interactive simulation - history, recent developments and major issues

Article Abstract:

Visual Interactive Simulation (VIS) has dominated discrete-event simulation in the United Kingdom throughout the eighties. Conceived and initially implemented by Hurrion (1976), who also coined the phrase, VIS first gained widespread exposure through the package SEE-WHY. The ideas behind VIS are fundamentally different from what is referred to in the United States as animation, since the prime motivator is user interaction with the running simulation, rather than just portrayal of simulation. After presenting a short history of VIS, we will discuss some of the research and development that has been undertaken in the United Kingdom and North America. Following presentation of an example, the state of VIS and a number of generally accepted guidelines for doing VIS are discussed. A number of recent developments, many of them also relevant to animation, and four major issues in the research and practice of VIS are presented. (Reprinted with permission of the publisher.)

United States, Animation software, Computer history, Great Britain, Trends, Outlook, Interactive Systems, Discrete Simulation, United Kingdom, Programming, History of Computing, technical

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Manage-An Interactive Simulation Model for Evaluating the Effects of Management Structure on Organization Performance

Article Abstract:

An operational management decision system has been developed for a proper communication model. MANAGE, has been written in FORTRAN IV at H level for CDC Model 6600 computer. The system is a modular main program and fourteen subroutines. The system can be used on IBM or Digital Equipment Corporation (DEC). The first segment allows for all input and the varibles conditioning. The second segment sets up the output algorithm for all capital. The third portion sets up the simulation of all decision making processes. Finally, the evaluation and all final decisions are made. Behavioral criteria and economic parameters must be input correctly prior to any simulation run. Diagrams, flow charts, and simulated output are included to illustrate the program.

Software engineering, Management, Bundled software, evaluation, Software Packages, FORTRAN, FORTRAN (Programming language), Decision Models, Modular Programming, Methods

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Voice Control of an Interactive Simulation

Article Abstract:

A microcomputer-based voice recognition device was used to simulate an interactive model of a manufacturing system. The speech recognition unit used was the Heuristics Speech Lab Model 20A and the microcomputer was the Apple II. Two BASIC programs were written to train the system to recognize the user's voice. The Speech Lab was trained to recognize seven commands used in the simulation model.

Voice I/O equipment, Speech recognition, Sound processing, Voice I/O Device, Voice Communications, Voice Recognition, Acoustic Devices

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