电液伺服阀啸叫机理分析及抑制措施探讨  

Analysis on the Principle and Solution of Servo Valve Whistling

作　　者：江金林 张鑫彬 王晓露 郭加利 鲜亚平 沈婕 JIANG Jin-lin;ZHANG Xin-bin;WANG Xiao-lu;GUO Jia-li;XIAN Ya-ping;SHEN Jie(Shanghai Aerospace Electronic Technology Institute,Shanghai 201109,China)

机构地区：[1]上海航天控制技术研究所,上海201109

出　　处：《液压气动与密封》2022年第4期14-18,共5页Hydraulics Pneumatics & Seals

摘　　要：电液伺服阀的啸叫是液压系统中最棘手的问题之一,伺服阀长时间啸叫将引起管弹簧部件的损坏,并导致系统控制失稳。该文对伺服阀啸叫现象进行了深入的机理分析,采用数值计算和仿真模拟方法分析了啸叫产生原因和传递过程,并且结合试验对理论进行了验证;根据分析结果,提出了抑制啸叫的措施,相关的理论和措施对于工程上解决伺服阀啸叫问题具有重要指导意义。The whistling of servo valve is one of the most difficult problems in hydraulic system.If the servo valve whistles for a long time,it is easy to cause damage to the tube spring components and lead to control instability.In this paper,the principle of servo valve whistling is analyzed,the causes of whistling are analyzed by means of numerical calculation and simulation,and the theory is verified by experiments.According to the analysis results,the measures to solve the whistling are presented,which are of great significance in engineering.

关 键 词：电液伺服阀 电液伺服系统 啸叫 自激振荡 

分 类 号：TH137.52[机械工程—机械制造及自动化]