Multi-objective optimization of a high speed on/off valve for dynamic performance improvement and volume minimization  

作　　者：Qi ZHONG Junxian WANG Enguang XU Cheng YU Yanbiao LI 

机构地区：[1]College of Mechanical Engineering,Zhejiang University of Technology,Hangzhou 310023,China [2]Key Laboratory of Special Purpose Equipment and Advanced Processing Technology,Ministry of Education and Zhejiang Province,Zhejiang University of Technology,Hangzhou 310023,China

出　　处：《Chinese Journal of Aeronautics》2024年第10期435-444,共10页中国航空学报（英文版）

基　　金：Supported by the National Natural Science Foundation of China(No.52005441);Natural Science Foundation of Zhejiang Province(No.LQ21E050017);Young Elite Scientist Sponsorship Program by CAST(No.2022QNRC001);State Key Laboratory of Mechanical System and Vibration(No.MSV202316);"Pioneer"and"Leading Goose"R&D Program of Zhejiang Province(Nos.2022C01122,2022C01132);the Fundamental Research Funds for the Provincial Universities of Zhejiang(No.RFA2023007);the Research Project of ZJUT(No.GYY-ZH2023075).

摘　　要：Hydraulic circuits with high speed on/off valve(HSV)for servo control have become commonplace in aerospace.However,the individual valve that is not volume-optimized results in a large total size of hydraulic control system,diminishing the practicality.To address this issue,the high-precision equivalent reluctance model of the HSV is established by employing an equivalent magnetic circuit,on which the dynamic characteristic of the HSV,as well as the effects of structural parameters on switching behaviour,are investigated.Based on this model,multi-objective optimization is adopted to design an HSV with faster dynamic performance and smaller volume,NSGA-II genetic algorithm is applied to obtain the Pareto front of the desired objectives.To assess the impact before and after optimization,an HSV based on the optimized structure is manufactured and tested.The experimental results show that the optimized HSV reduces 47.1%of its solenoid volume while improving opening and closing dynamic performance by 14.8%and 43.0%respectively,increasing maximum switching frequency by 6.2%,and expanding flow linear control area by 6.7%.These results validate the optimized structure and indicate that the optimization method provided in the paper is beneficial for developing superior HSV.

关 键 词：High speed on/off valve Dynamic response VOLUME Multiobjective optimization NSGA-II genetic algorithm 

分 类 号：V24[航空宇航科学与技术—飞行器设计]