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He-Jiao Huang, To-Yat Cheung and Xiao-Long Wang
Department of Computer Science and Technology
Shenzhen Graduate School, Harbin Institute of Technology
Shenzhen 518055, China
E-mail: hjhuang@hitsz.edu.cn, cscheung@alumni.cityu.edu.hk, wangxl@insun.hit.edu.cn
This paper presents the applications of several property-preserving Petri net process
algebras (PPPA) to the specification and verification of manufacturing system design. It
illustrates the applications by designing a Manufacturing System (MS) with componentbased
approach. PPPA handles the following three problems: 1) Integrating the primitive
modules by using composite operators to create the final model; 2) Handling resource
sharing by using place merging operators; and 3) Specifying the machining and/or assembly
operations by using place refinement operators. Among other features, PPPA
does not need to verify composite components because all the operators preserve many
properties. Hence, if the primitive modules satisfy the desirable properties, each of the
composite components, including the system itself, also satisfies these properties.
Received December 17, 2004; revised March 2, 2005; accepted March 30, 2005.
Communicated by Ding-Zhu Du.
* This work was financially supported by the China Postdoctoral Science Foundation under grant No.
2005037180, and National Natural Science Foundation of China under grant No. 60435020.