| 郝真鸣,雷帅帅,刘军堂,郝晋渊.一种 Petri 网禁止状态控制器综合方法[J].电子测量与仪器学报,2022,36(1):180-187 |
| 一种 Petri 网禁止状态控制器综合方法 |
| Supervisor synthesis for a class of Petri nets |
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| DOI： |
| 中文关键词: Petri 网 禁止状态 约束转换 自动制造系统 |
| 英文关键词:Petri net forbidden state constraint conversion automatic manufacturing system |
| 基金项目:国家自然科学基金(61903119)、河北省自然科学基金(F2019201088，A2020201021)、河北省引进留学人员资助项目(C20190319)、河北省高等学校科学技术研究项目（BJ2021008）资助 |
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| 中文摘要: |
| 针对含有不可控变迁 Petri 网的禁止状态问题,提出了一种基于整数线性规划的控制器综合方法,该方法适用于任意普
通 Petri 网模型。 首先,根据 Petri 网的结构特性构建所有不可控变迁应满足的约束条件集合,其次通过求解整数线性规划问题
将给定的线性约束转换为允许线性约束;最后,利用库所不变量方法设计控制器将转换后的约束综合到 Petri 网中。 以某零件
加工系统为例进行实验,实验结果表明,提出的方法简单高效,对实际自动制造系统的禁止状态监控问题具有一定借鉴意义。 |
| 英文摘要: |
| Aiming at the forbidden state problem of Petri nets with uncontrollable transitions, a controller synthesis method based on
integer linear programming is proposed, which is suitable for any ordinary Petri nets model. Firstly, according to the structural
characteristics of Petri nets, a set of constraint conditions that all uncontrollable transitions should satisfy is constructed. Secondly, the
given linear constraints are converted into admissible linear constraints by solving the integer linear programming problem. Finally, the
invariant method of the library is used to design the controller and integrate the converted constraints into the Petri net. The experimental
results show that the proposed method is simple and efficient, and can be used as a reference for the forbidden state monitoring in the
actual automatic manufacturing system. |
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