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作者机构:Al-Simulation Research Group Department of Electrical and Computer Engineering University of Arizona Tucson Arizona
出 版 物:《ADVANCES IN COMPUTERS》 (Adv. Comput.)
年 卷 期:1991年第33卷第C期
页 面:67-114页
核心收录:
学科分类:08[工学] 0835[工学-软件工程] 0812[工学-计算机科学与技术(可授工学、理学学位)]
基 金:McDonnell Douglas Space Systems NASA-Ames, (NCC 2-525)
主 题:Computer Programming
摘 要:The chapter focuses on the discrete-event modeling and simulation approach that emerged from operations-research concerns. Object-oriented modeling and discrete-event simulation provide a powerful basis for design and analysis of computer-based systems in such applications as flexible manufacturing, automation, and robotics. The object-oriented approach provides powerful modeling concepts to support computer-based tools for complex system design. Discrete-event simulation has a long history of association with the object-oriented paradigm and provides the critical ability to study the dynamic behavior of models that are defined with object-oriented means. It is characteristic of simulation tools that they facilitate a (hypothetical) description of the internal structure of a real system to the level of detail that the modeler perceives in reality. This power of representation distinguishes simulation from analytical techniques but also places a new burden on the modeler such as the choice of the level of detail compatible with the objectives of the modeling effort, the real-system data available, and the computational and human resources at one s disposal. Modeling and simulation are usually performed within the context of system design, control, or management. The chapter also describes the discrete event system specification (DEVS) theory of discrete-event systems, emphasizing that DEVS should provide a firm foundation for such next-generation software environments.