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1 Bulletin of the Polish Academy of Sciences. Technical Sciences

1 2024

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Digital twin-oriented dynamic optimization of multi-process route based on improved hybrid ant colony algorithm

Chen Zhaoming, Zou Jinsong, Wang Wei

Bulletin of the Polish Academy of Sciences. Technical Sciences

2024

Vol. 72, nr 3

art. no. e148875

To improve the dynamic adaptability and flexibility of the process route during manufacturing, a dynamic optimization method of the multi-process route based on an improved ant colony algorithm driven by digital twin is proposed. Firstly, based on the analysis of the features of the manufacturing part, the machining methods of each process are selected, and the fuzzy precedence constraint relationship between machining metas and processes is constructed by intuitionistic fuzzy information. Then, the multi-objective optimization function driven by the digital twin is established with the optimization objectives of least manufacturing cost and lowest carbon emission, also the ranking of processing methods is optimized by an improved adaptive ant colony algorithm to seek the optimal processing sequence. Finally, the transmission shaft of some equipment is taken as an engineering example for verification analysis, which shows that this method can obtain a process route that gets closer to practical production.