PWMI控制技术在液压缸速度控制中的应用  

Application of PWM I Control Technology for Cylinder Speed Control

作　　者：张新杰 桂军 ZHANG Xin-jie;GUI Jun(Shanghai Engineering Research Center of Port Machinery,Shanghai Zhenhua Heavy Industriles Co.,Ltd.,Shanghai 200125,China)

机构地区：[1]上海振华重工(集团)股份有限公司上海港口机械工程技术研究中心,上海200125

出　　处：《液压气动与密封》2024年第7期107-110,共4页Hydraulics Pneumatics & Seals

摘　　要：在电液控制系统中,为实现液压缸的速度控制,采用一种电流控制输出PWMI的控制技术,对通过比例阀的电流实时控制,结合比例阀的体积流量调节特征曲线图,使用经典PID控制理论,成功实现了对液压缸速度的控制。PWMI控制技术已成功应用于多个电液控制系统的液压缸速度控制应用中,为实现液压缸速度的控制提供一种可行的解决方案。In the electro-hydraulic control system,to achieve speed control of the oil cylinder.Adopting a current control output PWM I control technology,real-time control of the current passing through the proportional valve,combined with the volume flow adjustment characteristic curve of the proportional valve;By using classical PID control theory,precise control of cylinder speed has been successfully achieved.PWM I control technology has been successfully applied to the control of cylinder speed in multiple electro-hydraulic control systems,providing a feasible solution for achieving cylinder speed control.

关 键 词：PWMI 电液控制系统 液压缸 速度控制 

分 类 号：TH137[机械工程—机械制造及自动化]