A conceptual design for simulation in a real time control tool

  • Authors:
  • Carolyn D. Tobin;Neal N. NcCollom

  • Affiliations:
  • -;-

  • Venue:
  • WSC '84 Proceedings of the 16th conference on Winter simulation
  • Year:
  • 1984

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Abstract

This paper discusses the use of simulation as an evaluation technique within an automated or semiautomated real time control system. Within this control system, simulation will be used to play out possible scenarios emphasizing various objectives of system control. The simulater will be, as much as possible, a deterministic model utilizing factory data bases to more accurately forecast results. The structure of the simulation model, including typical inputs from appropriate data bases, will be detailed. As a result of including a simulation model in the control system, an evaluator would examine the simulation outputs. This evaluator can be automated, human or a combination of the two. Through the control system, this evaluation would then be employed to direct the physical system. An ideal application of this approach is in the manufacturing environment. The advent of automated and computerized equipment makes the implementation of an automated control and evaluation system a feasible and practical enhancement to a manufacturing system. This paper will discuss the authors' thoughts on how such a control system could be implemented and what form it would take. Special emphasis will be given to the structure of the control system. The structure of the system will include description of the actions and interactions of appropriate factory data bases, the simulation model, evaluation criteria and the physical scheduling or control of the system. The overall control structure will be detailed as an integrated system. Different roles or utilizations of human interfaces will also be investigated. The final discussion will include an analysis of an implementation environment and a suggested implementation strategy.