An Assembly Process Model Based on Object-Oriented Hierarchical Time Petri Nets

被引:1
|
作者
Wang, Jiapeng [1 ]
Liu, Shaoli [1 ]
Liu, Jianhua [1 ]
Du, Zenghui [1 ]
机构
[1] Beijing Inst Technol, Sch Mech Engn, Beijing 100081, Peoples R China
关键词
object-oriented; hierarchical; time; petri nets; assembly process model;
D O I
10.1063/1.4981588
中图分类号
O59 [应用物理学];
学科分类号
摘要
In order to improve the versatility, accuracy and integrity of the assembly process model of complex products, an assembly process model based on object-oriented hierarchical time Petri Nets is presented. A complete assembly process information model including assembly resources, assembly inspection, time, structure and flexible parts is established, and this model describes the static and dynamic data involved in the assembly process. Through the analysis of three-dimensional assembly process information, the assembly information is hierarchically divided from the whole, the local to the details and the subnet model of different levels of object-oriented Petri Nets is established. The communication problem between Petri subnets is solved by using message database, and it reduces the complexity of system modeling effectively. Finally, the modeling process is presented, and a five layer Petri Nets model is established based on the hoisting process of the engine compartment of a wheeled armored vehicle.
引用
收藏
页数:9
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