Optimal supervisory control of flexible manufacturing systems by Petri nets: A set classification approach

YF Chen, ZW Li, MC Zhou - IEEE Transactions on Automation …, 2013 - ieeexplore.ieee.org
Supervisory control is usually considered as an external control mechanism to a system by
controlling the occurrences of its controllable events. There exist Petri net models whose …

Nonpure Petri net supervisors for optimal deadlock control of flexible manufacturing systems

YF Chen, ZW Li, A Al-Ahmari - IEEE Transactions on Systems …, 2012 - ieeexplore.ieee.org
This paper illustrates that Petri nets with self-loops are more powerful than pure nets in
modeling and control of flexible manufacturing systems. A self-loop in a Petri net cannot be …

Design of a maximally permissive liveness-enforcing Petri net supervisor for flexible manufacturing systems

YF Chen, ZW Li, M Khalgui… - IEEE Transactions on …, 2010 - ieeexplore.ieee.org
Deadlock prevention plays an important role in the modeling and control of flexible
manufacturing systems (FMS). This paper presents a novel and computationally efficient …

Design of a maximally permissive liveness-enforcing supervisor with a compressed supervisory structure for flexible manufacturing systems

YF Chen, ZW Li - Automatica, 2011 - Elsevier
In this paper, a deadlock prevention policy for flexible manufacturing systems (FMS) is
proposed, which can obtain a maximally permissive liveness-enforcing Petri net supervisor …

Deadlock prevention based on structure reuse of Petri net supervisors for flexible manufacturing systems

ZW Li, GY Liu, HM Hanisch… - IEEE Transactions on …, 2011 - ieeexplore.ieee.org
Deadlocks are an undesirable situation in automated flexible manufacturing systems (FMS).
Their occurrences often deteriorate the utilization of resources and may lead to catastrophic …

On structural minimality of optimal supervisors for flexible manufacturing systems

YF Chen, ZW Li - Automatica, 2012 - Elsevier
This paper develops a place invariant based deadlock prevention method to obtain an
optimal, ie, maximally permissive, liveness-enforcing Petri net supervisor with a minimal …

Maximally permissive liveness-enforcing supervisor with lowest implementation cost for flexible manufacturing systems

YF Chen, ZW Li, K Barkaoui - Information Sciences, 2014 - Elsevier
This paper develops a place invariant based deadlock prevention method to obtain a
maximally permissive Petri net supervisor with the lowest implementation cost. A supervisor …

New Petri net structure and its application to optimal supervisory control: Interval inhibitor arcs

YF Chen, ZW Li, K Barkaoui… - IEEE Transactions on …, 2014 - ieeexplore.ieee.org
This paper presents a new Petri net structure, namely, an interval inhibitor arc, and its
application to the optimal supervisory control of Petri nets. An interval inhibitor arc is an arc …

An optimization approach to improved Petri net controller design for automated manufacturing systems

H Hu, MC Zhou, Z Li, Y Tang - IEEE Transactions on …, 2012 - ieeexplore.ieee.org
Sensors and actuators are two indispensable parts in the paradigm of feedback control.
Their implementation cost should be properly evaluated and constrained. In the previous …

Compact supervisory control of discrete event systems by Petri nets with data inhibitor arcs

YF Chen, ZW Li, K Barkaoui, NQ Wu… - IEEE Transactions on …, 2016 - ieeexplore.ieee.org
This work proposes a novel structure in Petri nets, namely data inhibitor arcs, and their
application to the optimal supervisory control of Petri nets. A data inhibitor arc is an arc from …