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Collaborative design implementation on the PN-PDDP model for the complex coupled rotor systems

Zhang, Guoyuan and Zhao, Weigang and Yan, Xiutian (2017) Collaborative design implementation on the PN-PDDP model for the complex coupled rotor systems. Journal of Control Engineering and Applied Informatics, 19 (3). pp. 69-78.

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    By considering what is necessary to implement a multi-component collaborative design process for a product, a PN-PDDP (Petri Nets for Performance Driven Design Process) model based on extended Petri nets is presented. In this paper the model is used to design a complex and multi-component high-speed turbopump rotor system for a liquid rocket engine. The study on the definitions of the features of the coupling design process, such as the sequence of concurrent activities, a reachability tree, a design cycle tree and design conflicts, are presented and the solving methods for these features are proposed. The computer simulation for these features by a self-programming emulating package is shown. The coupling design process for a specific multi-component high-speed turbopump is carried out, and the matrix for the coupling design process and software is developed. The results show that the PN-PDDP model based on the Petri network can effectively couple existing knowledge resources, solve any conflict arising from different knowledge, and achieve an optimal strategy for the performance driven design process.