The high-speed, heavy-load and changeable triangle track wheel is a motion device that can carry out interchange between the track wheel and tire in an ordinary vehicle. The topology optimization for the support frame can reduce weight and improve the maneuverability of the vehicle. However, it is difficult to consider simultaneously its weight, stiffness and modal in the process of the structure optimization. Thus, a topology optimization method for multi-objective and multi-working-condition is proposed based on the AHP (analytic hierarchy process) and average frequency method. Firstly, considering the static multi-stiffness target and dynamic vibration frequency target, using the compromise programming method and average frequency method, the objective function of the multi-objective and multi-working-condition topology optimization is established. Then, based on the optimization target, design criteria and indexes, the lightweight hierarchical structure model of the support frame consisting of three levels and eight weight factors is established. Values of 8 weight coefficients of the multi-objective topology optimization are determined through solving the weight factor judgment matrix. Finally, considering the multi-working-condition, taking the minimum objective function of the static and dynamic characteristics as target, and the volume ratio is 50% as boundary, the mathematical model of the topology optimization is established. Simulation results show that the stiffness and strength of the support frame are improved respectively by 74.3% and 1.3% while its weight is reduced by 16.3%. This method also provides a new way to the lightweight design for other large, heavy and multi-condition equipment.
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ASME 2018 International Design Engineering Technical Conferences and Computers and Information in Engineering Conference
August 26–29, 2018
Quebec City, Quebec, Canada
Conference Sponsors:
- Design Engineering Division
- Computers and Information in Engineering Division
ISBN:
978-0-7918-5178-4
PROCEEDINGS PAPER
Multi-Objective Topological Optimization of Support Frame for High-Speed and Heavy-Load Triangle Track Wheel Based on Analytic Hierarchy Process
Fenghe Wu,
Fenghe Wu
Yanshan University, Qinhuangdao, China
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Zhaohua Wang,
Zhaohua Wang
Yanshan University, Qinhuangdao, China
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Yinxu Sun,
Yinxu Sun
Yanshan University, Qinhuangdao, China
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Yulin Yang,
Yulin Yang
Yanshan University, Qinhuangdao, China
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Yongxin Li,
Yongxin Li
Yanshan University, Qinhuangdao, China
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Baosu Guo,
Baosu Guo
Yanshan University, Qinhuangdao, China
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Qingjin Peng
Qingjin Peng
University of Manitoba, Winnipeg, MB, Canada
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Fenghe Wu
Yanshan University, Qinhuangdao, China
Zhaohua Wang
Yanshan University, Qinhuangdao, China
Yinxu Sun
Yanshan University, Qinhuangdao, China
Yulin Yang
Yanshan University, Qinhuangdao, China
Yongxin Li
Yanshan University, Qinhuangdao, China
Baosu Guo
Yanshan University, Qinhuangdao, China
Qingjin Peng
University of Manitoba, Winnipeg, MB, Canada
Paper No:
DETC2018-85124, V003T01A019; 7 pages
Published Online:
November 2, 2018
Citation
Wu, F, Wang, Z, Sun, Y, Yang, Y, Li, Y, Guo, B, & Peng, Q. "Multi-Objective Topological Optimization of Support Frame for High-Speed and Heavy-Load Triangle Track Wheel Based on Analytic Hierarchy Process." Proceedings of the ASME 2018 International Design Engineering Technical Conferences and Computers and Information in Engineering Conference. Volume 3: 20th International Conference on Advanced Vehicle Technologies; 15th International Conference on Design Education. Quebec City, Quebec, Canada. August 26–29, 2018. V003T01A019. ASME. https://doi.org/10.1115/DETC2018-85124
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