模糊离散事件系统的分散控制

Study of Decentralized Control of Fuzzy Discrete-Event Systems

针对控制系统结构复杂,规模庞大的问题,以自动机作为系统的模型,研究了扩展全局监控器存在条件下的分散监控综合问题。由经典离散事件系统的局部监控器存在条件,延伸得到模糊离散事件系统的局部监控器存在条件,得到了全局监控器的存在条件。在系统存在全局监控器的基础上,讨论其与全局控制目标之间的关系,避免常规方法研究复杂系统时的分析困难和综合复杂性,从而为模糊离散事件系统监控理论的应用探寻新的途径。

In order to solve the problem of complicated structure and huge scale in control system, based on the model of system by means of automata, the comprehensive issue of decentralized supervisory control is studied on condition that the global extension supervisor exists. If the requirement of the local supervisors in classical discrete event systems is met, the one of the local supervisors in fuzzy discrete event systems will be met further, and the sufficient condition for the existence of the extension supervisor is obtained. Based on the existence of the global supervisor, the relationship between the existence and the target of global control is discussed, which prevents the difficulty of analysis and comprehensive complexity when researching on the complex system in conventional method. Thus, a new way is opened in the application of supervisory control theory of fuzzy discrete event systems.