A hybrid heuristic scheduling method for FMSs based on timed Petri nets

ChuanYang Ren; XiaoYu Lu; NanXiang Li; JianYong Lv; Bo Huang

doi:10.1117/12.2691876

23 August 2023 A hybrid heuristic scheduling method for FMSs based on timed Petri nets

ChuanYang Ren, XiaoYu Lu, NanXiang Li, JianYong Lv, Bo Huang

Proceedings Volume 12784, Second International Conference on Applied Statistics, Computational Mathematics, and Software Engineering (ASCMSE 2023); 1278423 (2023) https://doi.org/10.1117/12.2691876
Event: 2023 2nd International Conference on Applied Statistics, Computational Mathematics and Software Engineering (ASCMSE 2023), 2023, Kaifeng, China

Abstract

In this paper, a new hybrid artificial intelligent 𝐴∗ search method for scheduling flexible manufacturing systems (FMSs) based on timed Petri nets (PNs) is proposed. First, it uses place-timed Petri nets to model FMSs. Then, a hybrid heuristic search that combines the PN-based 𝐴∗ search with a Cut strategy which considers both the markings and the token remaining time is proposed within the PN’s reachability graph to search for an optimal or near-optimal schedule. It can detect and prune some possible redundant states of the graph to speed up the search process while the result’s quality remains optimal or near-optimal. Finally, some benchmarks are tested to illustrate the effectiveness of the method.

Citation Download Citation

ChuanYang Ren, XiaoYu Lu, NanXiang Li, JianYong Lv, and Bo Huang "A hybrid heuristic scheduling method for FMSs based on timed Petri nets", Proc. SPIE 12784, Second International Conference on Applied Statistics, Computational Mathematics, and Software Engineering (ASCMSE 2023), 1278423 (23 August 2023); https://doi.org/10.1117/12.2691876

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