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Application of task graph and simulation to analysis effect of random events on scheduling

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6 Author(s)
Wang, Jingfeng ; Advanced Manufacturing Tech. Cent, Harbin Institute of Technology, 150001, China ; Wang, Gang ; Ma, Zhibin ; Wang, Guoqing
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Industrial manufacturing systems are subject to random events which disturb their working process: resource unavailability, out-of-stock condition, changes in orders, etc. It is difficult to decide whether a schedule needs to be adjusted or not by manual when random events occur. This paper presents a task graph and simulation based method to analysis the effect of random events on scheduling. With this method, schedulers can decide whether a schedule needs to be rescheduled or not. A summary about random events in manufacturing systems is described at first, then the process that analysis scheduling systems with task graph and simulation method is proposed, a case to prove the feasible of this method is given at last.

Published in:

Technology and Innovation Conference, 2006. ITIC 2006. International

Date of Conference:

6-7 Nov. 2006