A Fast Integration Method of Analysis and Optimization for the Contact Performance Design of a Face Gear Split-Torque Transmission

Zhen Yu, Zhongwei Tang, Yuansheng Zhou, Weichen Tang, Jinyuan Tang, Bingquan Lu (), Ziheng Wu and Xiao Hong
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Zhen Yu: State Key Laboratory of Precision Manufacturing for Extreme Service Performance, Central South University, Changsha 410083, China
Zhongwei Tang: State Key Laboratory of Precision Manufacturing for Extreme Service Performance, Central South University, Changsha 410083, China
Yuansheng Zhou: State Key Laboratory of Precision Manufacturing for Extreme Service Performance, Central South University, Changsha 410083, China
Weichen Tang: State Key Laboratory of Precision Manufacturing for Extreme Service Performance, Central South University, Changsha 410083, China
Jinyuan Tang: State Key Laboratory of Precision Manufacturing for Extreme Service Performance, Central South University, Changsha 410083, China
Bingquan Lu: State Key Laboratory of Precision Manufacturing for Extreme Service Performance, Central South University, Changsha 410083, China
Ziheng Wu: AECC Hunan Aviation Powerplant Research Institute, Zhuzhou 412002, China
Xiao Hong: State Key Laboratory of Precision Manufacturing for Extreme Service Performance, Central South University, Changsha 410083, China

Mathematics, 2025, vol. 13, issue 21, 1-23

Abstract: The optimization design of the face gear split-torque transmission (FGST) consumes a lot of modeling and calculation costs. Implementing closed-loop design for data generation optimization improves system design efficiency. However, there are two challenges: firstly, the lack of a mapping method for the tooth surface modification parameters to discrete mesh coordinates, which makes it difficult to generate data samples; secondly, a quantitative representation method for evaluating contact performance has not been proposed, making it difficult to achieve quantitative design. In this paper, we propose a fast integration method of analysis and optimization to the contact performance design of a face gear split-torque transmission. An efficient mapping method from FGST geometric parameters to discrete grids is established to achieve fast data generation. A quantitative evaluation method for contact performance based on image processing has been proposed to achieve rapid optimization. The time required for modeling and optimization is shortened to less than 0.5 h, significantly improving design efficiency.

Keywords: face gear; split-torque transmission; analysis; optimization parameter design (search for similar items in EconPapers)
JEL-codes: C (search for similar items in EconPapers)
Date: 2025
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