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Vol. 168, Issue 4, April 2014, pp. 229-236

 

Bullet

 

Scheduling of Hybrid System: A New Approach Integrating Decomposition of THPN
and Multi-core Cluster
 

1, 2 Wei-Zhi Liao

1 College of Mathematics Physics and Information Engineering, Jiaxing University, Jiaxing 314001, China
2 Guangxi Key laboratory of hybrid computation and IC design analysis, Nanning 530006, China
1 Tel.: +86 057383647003

E-mail: weizhiliao2002@aliyun.com

 

Received: 1 January 2014 /Accepted: 7 March 2014 /Published: 30 April 2014

Digital Sensors and Sensor Sysstems

 

Abstract: Effective scheduling of hybrid system in industry has a high economic return. However, a hybrid system contains continuous dynamics and discrete dynamics so that the modeling and scheduling of hybrid system become more and more complex and difficult. This paper presented a new approach integrating decomposition of timed hybrid Petri net (THPN) and multi-core cluster to scheduled hybrid system. Firstly, a decomposition method for THPN which is used to model hybrid system is proposed. A timed hybrid Petri net is decomposed to several subnets and each subnet is a T- net, in which any place has no more than one input or one output transition. Secondly, each subnet of THPN is mapped to a processor of multi-core cluster and scheduling model of master-slave is used to realize parallel scheduling of hybrid system. Finally, the effectiveness of the proposed method is demonstrated by experiment results.

 

Keywords: Hybrid system, Hybrid Petri nets, Decomposition, Parallel scheduling, Multi-core cluster.

 

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