摩擦磨损试验机用电液比例加载系统的性能分析设计  

Design of Electro-hydraulic Proportional Loading System of Sliding Wear Testing Machine

作　　者：许磊[1] 杨寅威[1] 唐小行[1] 

机构地区：[1]中国矿业大学机电工程学院,江苏徐州221008

出　　处：《煤矿机械》2009年第10期26-28,共3页Coal Mine Machinery

摘　　要：研制了一套采用电液比例溢流阀的液压加载系统,对试验机进行试验载荷加载。通过对电液比例系统输入不同的控制信号,模拟不同的试验工况。给出了系统的数学模型,并分析其闭环反馈控制系统的实现形式。A kind of hydraulic loading system,with an electro-hydraulic proportional pressure valve as its core component is presented,aimed to support load to the test machine.The system could simulate different work conditions by giving different signals to the electro-hydraulic system.The math model of the system is illustrated.Meanwhile,the analysis of realization of the feedback control system is fulfilled.

关 键 词：试验机 电液比例 液压加载 闭环控制 

分 类 号：TH137[机械工程—机械制造及自动化]