NDLI: Petri nets and deadlock-free scheduling of multiple-resource operations

Content Provider	IEEE Xplore Digital Library
Author	Danmasceno, B.C. Xiaolan Xie
Copyright Year	1999
Description	Author affiliation: Inst. Nat. de Recherche en Inf. et Autom., Metz, France (Danmasceno, B.C.)
Abstract	The integration of scheduling and deadlock-avoidance of automated manufacturing systems with complex product structures and complex resource behaviors is addressed in this paper. For this purpose, we introduce an extension of job-shops and call the new systems job-shops Multi-Resource with Blocking or job-shops MRB for short. A job-shop MRB is composed of a set of resources and each resource can have more than one unit. A set of jobs is processed and each job requires a sequence of operations. Each operation may need more than one resource and more than one unit of a resource. Most importantly, a job-shop MRB is further characterized by a so-called "hold while wait" property for resources' release. The scheduling problem consists in sequencing the operations on the resources in order to avoid deadlocks and to minimize the makespan. We first model the system using Petri nets, formulate deadlock constraints in terms of PN model, and establish feasibility conditions of a given schedule. Finally, a heuristic is proposed to obtain deadlock-free schedules. The heuristic schedules the jobs one after another. For each job, the scheduling problem consists in minimizing its completion time without modifying the schedules of the scheduled jobs. A dynamic programming approach is proposed to solve this one-job scheduling problem.
Starting Page	878
Ending Page	883
File Size	552956
Page Count	6
File Format	PDF
ISBN	0780357310
ISSN	1062922X
DOI	10.1109/ICSMC.1999.814207
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	1999-10-12
Publisher Place	Japan
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Petri nets System recovery Job shop scheduling Manufacturing systems Robots Storage automation Robotics and automation Material storage Dynamic programming Dynamic scheduling
Content Type	Text
Resource Type	Article

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