Information structures for simulation modeling of manufacturing systems
Article Abstract:
This paper presents an information-based approach to simulation modeling and an information-based simulation environment called IBIS. IBIS uses information relationships to structure simulation models and to coordinate multiple models at different levels of hierarchical development. Because of its database orientation, IBIS models do not exist as programming code but exist in the form of information links stored in a simulation database. The paper describes a sample manufacturing problem and the IBIS formulation for this problem. The information relationships defined in IBIS allow for hierarchical modeling of stations and entities, flexible product routing, multiple product assembly requirements, and "push" and "pull" drivers for parts flow. (Reprinted with permission of the publisher.)
Publication Name: SIMULATION
Subject: Engineering and manufacturing industries
ISSN: 0037-5497
Year: 1989
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Development of a goal directed simulation environment for discrete part manufacturing systems
Article Abstract:
The development of a goal directed simulation environment for discrete part manufacturing systems is discussed. A two phase approach was taken for the development of the rule base. The first phase involved studying different types of manufacturing systems in order to identify the cause-and-effect releationships that an analyst may use during analysis. Based on the "expert" knowledge identified in this phase, and subsequent experimentation, a detailed set of rules was developed. The rule base has a four level structure. Of these, Levels 2, 1, and 0 are generic, while the fourth level is comprised of information specific to the system under consideration. (Reprinted by permission of the publisher.)
Publication Name: SIMULATION
Subject: Engineering and manufacturing industries
ISSN: 0037-5497
Year: 1993
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SARPI: a simulator for assessing cognitive tasks in process control
Article Abstract:
SARPI is a computer-based simulation of a fluid processing plant, used to evaluate operator performance in managing process controls. SARPI represents a highly stylized facility, consisting of tanks, pumps, and valves where an operator can control valve settings to optimize system output or keep the system in equilibrium. It has been designed to meet the experimental requirements of researchers investigating cognitive tasks for operators and the impact of alternative display formats on operator performance. Experiments with SARPI have shown that simple modeling constructs can accurately represent complex cognitive tasks. (Reprinted with permission of the publisher.)
Publication Name: SIMULATION
Subject: Engineering and manufacturing industries
ISSN: 0037-5497
Year: 1992
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