Analytical Modelling and Experiment of Novel Rotary Electro-Mechanical Converter with Negative Feedback Mechanism for 2D Valve

作     者：Bin Meng Mingzhu Dai Chenhang Zhu Chenchen Zhang Chuan Ding Jian Ruan Bin Meng;Mingzhu Dai;Chenhang Zhu;Chenchen Zhang;Chuan Ding;Jian Ruan

作者机构：College of Mechanical EngineeringZhejiang University of TechnologyHangzhou 310023China 

出 版 物：《Chinese Journal of Mechanical Engineering》 (中国机械工程学报（英文版）)

年 卷 期：2022年第35卷第5期

页      面：162-182页

核心收录：

学科分类：080704[工学-流体机械及工程] 08[工学] 080401[工学-精密仪器及机械] 0807[工学-动力工程及工程热物理] 0804[工学-仪器科学与技术] 

基　　金：National Natural Science Foundation of China(Grant Nos.51975524,51405443) National Key Research and Development Program of China(Grant No.2019YFB2005200) 

主　　题：Electro-mechanical converter Magnetic circuit topology Analytical modeling 2D valve 

摘      要：The manufacturing of spiral groove structure of two-dimensional valve(2D valve)feedback mechanism has shortcomings of both high cost and *** paper presents a novel configuration of rotary electro-mechanical converter with negative feedback mechanism(REMC-NFM)in order to replace the feedback mechanism of spiral groove and thus reduce cost of valve *** order to rapidly and quantitative evaluate the driving and feedback performance of the REMC-NFM,an analytical model taking leakage flux,edge effect and permeability nonlinearity into account is formulated based on the equivalent magnetic circuit *** the model is properly simplified in order to obtain the optimal pitch *** simulation is used to study the influence of crucial parameters on the performance of REMC-NFM.A prototype of REMC-NFM is designed and machined,and an exclusive experimental platform is *** torque-angle characteristics,torque-displacement characteristics,and magnetic flux density in the working air gap with different excitation currents are *** experimental results are in good agreement with the analytical and FEM simulated results,which verifies the correctness of the analytical *** torque-angle characteristics,the overall torque increases with both current and rotation angle,which reaches about 0.48 N·m with 1.5 A and 1.5°.While for torque-displacement characteristics,the overall torque increases with current yet decrease with armature displacement due to the negative feedback mechanism,which is about 0.16 N·m with 1.5 A and 0.8 ***,experimental results of conventional torque motor are compared with counterparts of REMC-NFM in order to validate the simplified *** research indicates that the REMC-NFM can be potentially used as the electro-mechanical converter for 2D valves in civil servo areas.