【摘要】 分析了电液比例伺服阀的特点及电液比例伺服阀控变量泵容积调速系统的工作原理。利用AMESim软件,建立了液压绞车电液比例伺服控制调速系统的仿真模型。利用该模型对系统的性能进行了仿真研究,表明该调速系统具有很好的速度跟踪特性,较高的速度控制精度以及较好的系统工作稳定性。更多还原

【Abstract】 This paper analyzes the characteristics of electro-hydraulic proportional servo valve(EPSV) and introduces working principle of EPSV speed regulation system.Based on the AMESim software,a simulation model of hydraulic drawworks electro-hydraulic proportional servo control speed regulation system was established.Using this model,simulation has been performed and showed that the speed control system has good speed tracking characteristics,high speed control accuracy and good system stability.更多还原