A Pareto-based genetic algorithm for multi-objective scheduling of automated manufacturing systems

X Zan, Z Wu, C Guo, Z Yu - Advances in Mechanical …, 2020 - journals.sagepub.com
This work focuses on multi-objective scheduling problems of automated manufacturing
systems. Such an automated manufacturing system has limited resources and flexibility of …

Robust deadlock avoidance policy for automated manufacturing system with multiple unreliable resources

J Luo, Z Liu, S Wang, K Xing - IEEE/CAA Journal of Automatica …, 2020 - ieeexplore.ieee.org
This work studies the robust deadlock control of automated manufacturing systems with
multiple unreliable resources. Our goal is to ensure the continuous production of the jobs …

Improved multi-step look-ahead control policies for automated manufacturing systems

C Gu, Z Li, N Wu, M Khalgui, T Qu, A Al-Ahmari - IEEE Access, 2018 - ieeexplore.ieee.org
The deadlock control problem in automated manufacturing systems (AMSs) has received
much attention in recent years due to the flexibility of an AMS. In the framework of Petri nets …

Strict minimal siphon-based colored Petri net supervisor synthesis for automated manufacturing systems with unreliable resources

A Al-Ahmari, H Kaid, Z Li, R Davidrajuh - IEEE Access, 2020 - ieeexplore.ieee.org
Various deadlock control policies for automated manufacturing systems with reliable and
shared resources have been developed, based on Petri nets. In practical applications, a …

Computation of an emptiable minimal siphon in a subclass of Petri nets using mixed-integer programming

S Wang, W Duo, X Guo, X Jiang, D You… - IEEE/CAA Journal of …, 2020 - ieeexplore.ieee.org
Deadlock resolution strategies based on siphon control are widely investigated. Their
computational efficiency largely depends on siphon computation. Mixed-integer …

On algebraic identification of critical states for deadlock control in automated manufacturing systems modeled with Petri nets

D Sun, Y Chen, MA El-Meligy, MAF Sharaf, N Wu… - IEEE …, 2019 - ieeexplore.ieee.org
Petri nets are an important and popular tool to model and analyze deadlocks in automated
manufacturing systems. The state space of a Petri net model can be divided into two disjoint …

Robust deadlock avoidance and control of automated manufacturing systems with assembly operations using Petri nets

N Du, H Hu, MC Zhou - IEEE Transactions on Automation …, 2020 - ieeexplore.ieee.org
Deadlock resolution has been an important research topic in the field of automated
manufacturing systems (AMSs). Researchers generally assume that AMS resources never …

An efficient method of deadlock detection and recovery for flexible manufacturing systems by resource flow graphs

Y Lu, YF Chen, ZW Li, NQ Wu - IEEE Transactions on …, 2021 - ieeexplore.ieee.org
Deadlocks are a highly undesirable situation in flexible manufacturing systems (FMSs). This
article presents a direct and novel method to detect such markings by constructing the …

Reducing wafer delay time by robot idle time regulation for single-arm cluster tools

WQ Xiong, CR Pan, Y Qiao, NQ Wu… - IEEE Transactions …, 2020 - ieeexplore.ieee.org
Nowadays, wafer fabrication in semiconductor manufacturing is highly dependent on cluster
tools. A cluster tool is equipped with several process modules (PMs) and a wafer handling …

Diagnosability of vector discrete-event systems using predicates

Q Chen, L Yin, N Wu, MA El-Meligy, MAF Sharaf… - IEEE …, 2019 - ieeexplore.ieee.org
The diagnosability problem of faults is studied in the framework of vector discrete-event
system (VDES). A VDES is a discrete-event system model in which a system state is …