Static and Dynamic Performance Simulation of Direct-Acting Force Motor Valve

[摘要] This work focuses on static and dynamic characteristics of direct-acting force motor valve. First, we analyzed the structure features and operating principle of the Mitsubishi-Hitachi force motor valve (FMV) and the operating principle of its internal permanent-magnet moving-coil force motor magnetic circuit, determined the transfer function of the FMV force motor system, and established a mathematical model for the system. Secondly, we established a static performance analysis model using the AMESIM software and utilized the model in combination with experimental results to analyze the effects of electro-hydraulic servo valve structural parameters on static characteristics. Lastly, we deduced the trajectory equation of the system, established the relationship between dynamic characteristic indexes and structural parameters, and analyzed the effects of different parameter values on the dynamic characteristics of the system. This research can provide a theoretical guidance for designing and manufacturing the FMV body.

[发布机构] School of Mechanical Engineering, Jiangsu University, Zhenjiang, Jiangsu; 212013, China^1;Cold Rolling General Factory, Ma Steel, Maanshan, Anhui; 243000, China^2

[效力级别] 无线电电子学

[关键词] Dynamic characteristics;Electro-hydraulic servo valve;Motor valves;Parameters design;Simulation model;Static and dynamic characteristics;Static and dynamic performance;Static performance analysis