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Study of Hydraulic System of Rotating Platform Based on PWM High-speed Switching Control Valve
Author(s): ZENG Wen-wu
Pages: 40-
42
Year: 2009
Issue:
3
Journal: Hydraulics Pneumatics & Seals
Keyword: PWM; 高速开关阀; 旋转平台;
Abstract: 本文针对旋转平台的工作特点,拟采用高速开关阀控系统来控制旋转平台的顺时针和逆时针的往复旋转运动.以脉冲宽度调制(PWM)技术为核心的高速开关阀引进到方向流量控制系统中,可构成以高速开关阀作为先导阀,液动换向阀作为主阀的流量方向控制回路,通过液动换向阀的开度,控制进入液压马达的流量和压力,从而对旋转平台的位移、速度等进行控制.
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