同步时序电路的增广Petri网分析
ANALYSIS OF SYNCHRONOUS SEQUENTIAL CIRCUITS BASED ON EXTENDED PETRI NET
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摘要: 本文应用带抑制弧的增广Petri网建立了基本门电路和常用触发器的Petri网模型;并运用该模型描述了同步时序电路;提出了增广Petri网的授权矩阵、状态转移方程和触发器次态与变迁授权条件的关系。在此基础上可对同步时序电路描述和分析,并用实例证明了该方法的有效性。
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关键词:
- 时序电路; 增广Petri网; 逻辑分析
Abstract: The models of the basic gates and typical flip-flops for Petri net are constructed by using a kind of extended Petri net with inhibitor arc. Then the syncronous sequential circuit are described. The enabled matrixes, the state equations and the relation between the next state of flip-flop and the enabled transition are given. Based on these, the analysis method of Petri net for synchronous sequential circuits is discussed. It is proved that the theory is effective by practical examples. -
古天龙.系统仿真学报,1994,6(2); 32-36.[2]阎石.数字电子技术基础.北京:高等教育出版社,1993, 236-302.[3]Peterson J L. Petri Net Theory and the Modeling of System. NJ: Prentice Hall, 1981,第3,4章.[4]Murata T. Proc[J].IEEE.1989, 77(4):541-574 -
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