差压法检测微泄漏及其检测准确度分析  

Small Leakage Detection Principle of Differential Pressure

作　　者：龚从容[1] 曹树平[1] 冯磊[1] 

机构地区：[1]华中理工大学机械学院电液控制研究所

出　　处：《液压与气动》1998年第1期29-31,共3页Chinese Hydraulics & Pneumatics

摘　　要：本文针对盘式液压制动器微泄漏检测问题，建立了泄漏的物理模型和数学模型，基于该模型提出一种差压式微泄漏检测原理，分析了检测误差来源，并给出相应的误差补偿方法。In this research a physical and mathematical model of small leakage as concerned as the small leakage detection of disk brake is built.A small leakage detection principle of differentical pressure is put forward based on this model.The source of detection error is analyzed and the corresponding method of errors compensation is given.

关 键 词：微泄漏 差压法 气密性 准确度 液压制动器 

分 类 号：U463.521[机械工程—车辆工程]