Optimal Supervisory Control for Flexible Manufacturing Systems Model With Petri Nets: A Place-Transition Control

Bashir, Muhammad; Zhou, Jianyuan; Muhammad, Bashir Bala

doi:10.1109/access.2021.3072892

Cited by 11 publications

(4 citation statements)

References 37 publications

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“…Luo et al proposed a robust deadlock avoidance policy for FMS with multiple unreliable resources [34]. Bashir et al proposed an optimal supervisory control approach for FMS with zero restrictions of system operations [35]. Lu et al proposed an efficient method of deadlock detection and recovery for FMS by resource flow graphs [36].…”

Section: Introductionmentioning

confidence: 99%

A Customized Supervisory Control Approach for Flexible Manufacturing Systems

Jiao

Shi

2023

IEEE Access

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To meet the customized requirements of customers is the core orientation to achieve the transition from production-centered manufacturing to service-centered manufacturing. As an important part of smart manufacturing systems in the production and operation level dominated by material flow, flexible manufacturing systems (FMS) have to make several transitions such as incorporating several manufacturing procedures, containing several manufacturing products, and meeting several manufacturing requirements. As the existing research on FMS mainly focuses on fixed manufacturing techniques and production procedures, it is imperative to propose an effective modeling and control approach. In this paper, inspired by the idea of colored Petri nets, based on the manufacturing information of workpieces in the system, we propose a customized supervisory control approach for FMS. Finally, the validity of our approach is illustrated by an FMS satisfying customized requirements. The proposed approach makes control decisions by dynamically updating the token information of the current state of the supervisor, and also by combining the information of the binding queue and the customized information of workpieces, which does not increase the scale of the supervisor.

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Section: Introductionmentioning

confidence: 99%

A Customized Supervisory Control Approach for Flexible Manufacturing Systems

Jiao

Shi

2023

IEEE Access

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“…This controller design is based on the structure of the investigated system and according to the capabilities of the Petri net for the control of discrete event systems. Bashir et al [24] attempted to prevent deadlock in a manufacturing system, the design of supervisory control which was done based on the Petri Net tool and using the combination of place and transition control. Here, the combination of place and transition has been given flexibility to the designer.…”

Section: Introductionmentioning

confidence: 99%

Controller Design of Hybrid-Time ‎Delay-Petri Nets Based on Lyapunov Theory by Adding Control Places

Ahangarani Farahani,

Dideban

2023

IJE

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The aim of this paper is to propose a new method for controller design using control places in special hybrid Petri Nets called Hybrid-Time Delay-Petri Nets (HTDPN). Most control approaches use the control place of the supervisory control for discrete Petri Nets. However, the new approach uses the place to control the linear dynamical systems which are modeled by the HTDPN tool. This controller consists of control places, transitions, arcs connected to the control place, and weights of the arcs, which are added to the HTDPN model of the system. In this paper, there are three main steps for the controller design. In the first step, the plant is modeled using the HTDPN tool, and in the second step, a controller is designed using the novel method presented. Finally, the weights of arcs connected to the control place are computed using the Lyapunov function theory, which guarantees closed-loop stability. The main advantage of this method is the possibility of using continuous and discrete places simultaneously in nonlinear systems. Unlike most previous approaches, in the proposed method, an expert designer can create a favorite controller in the graphical environment, and then apply changes to the mathematical environment of the HTDPN model. The performance of the proposed controller is evaluated by a comparative study. The comparison criteria in this article are: error criteria (IEA), energy consumption, rise time, settling time and simulation run time. The simulation results showed that the proposed method was 45% and 600% better conditions than the Model Predictive Conrol (MPC) and optimal control methods, respectively.

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“…As the name implies, their variations can be found in the description of software [3], hardware [4] and logic controllers [5], [6]. Their common application is supervisory control [7].…”

Section: Introductionmentioning

confidence: 99%

Modeling and Control of Discrete Event and Hybrid Systems Using Petri Nets and OPC Unified Architecture

et al. 2022

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Discrete event system is a type of system, which changes its state based on asynchronously occuring events. One of many approaches of describing this category of systems is a mathematical formalism called the Petri Net. This article introduces an original software solution, leveraging the graphical representation of this formalism in conjunction with the communication standard OPC Unified Architecture. This combination enables the user to model and control discrete event and hybrid systems using an intuitive, user-friendly graphical interface. The software application also brings new possibilities into scope of this academic domain due to the implementation of a Petri Net formalism extension -continuous elements, which greatly expands the area of systems, which can be modelled and controlled using this tool. The developed software tool was successfully verified in control of a virtual systems. Offering a graphical environment for the design of discrete event / hybrid system control algorithms, it can be used for education, research and practice in cyber-physical systems (Industry 4.0).

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Optimal Supervisory Control for Flexible Manufacturing Systems Model With Petri Nets: A Place-Transition Control

Cited by 11 publications

References 37 publications

A Customized Supervisory Control Approach for Flexible Manufacturing Systems

A Customized Supervisory Control Approach for Flexible Manufacturing Systems

Controller Design of Hybrid-Time ‎Delay-Petri Nets Based on Lyapunov Theory by Adding Control Places

Modeling and Control of Discrete Event and Hybrid Systems Using Petri Nets and OPC Unified Architecture

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