PVA-1000系列电液比例阀控制器的开发研究

Development and study of PVA-1000 series electrohydraulic proportional valve controller

本文叙述一种采用先进可控的PWM技术研制的系列比例阀电控器，适应多种同类比例阀控制，并可大大减少温漂和滞环，减少本机功耗和发热。文中介绍广工作原理和特点。

This paper describes operation princeple and characteristics of electric controller for proportional valve, developed by using advanced controllable PWM technique.The controller is suitable for many controls of same kinds of proportional valves,and can greatly decrease temperature drift,hysteresis loop and power consumption and heat generation of this unit.