ECE与NAO制动块性能的试验对比分析与摩擦因数实时预测  

Comparative Experimental Analysis of Performance of ECE and NAO Brake Pads and Real-Time Prediction of Friction Factor

作　　者：张梦莹 朱硕 刘吉超 Zhang Mengying;Zhu Shuo;Liu Jichao

机构地区：[1]江苏徐工工程机械研究院有限公司,江苏省徐州市221000 [2]徐工集团挖掘机械有限公司 [3]江苏汇智高端工程机械创新中心有限公司

出　　处：《工程机械》2025年第4期58-64,68,I0003,共9页Construction Machinery and Equipment

基　　金：国家自然科学基金青年科学基金(62103415)。

摘　　要：针对ECE与NAO两种制动块在干摩擦条件下开展试验研究,从微观层面分析各个主要环境因素对摩擦副摩擦特性的影响及摩擦因数变化的原因。利用MATLAB搭建两种制动块在制动过程中摩擦特性的仿真数学模型,借助卡尔曼滤波状态方程将其转化为实时状态估计模型,最后导入硬件在环联合仿真系统中验证其适用性。经对比分析,该模型的平均误差仅为0.6872%,可以很好地模拟实际制动过程中摩擦特性的变化情况,为产品研发与仿真研究提供参考。The experimental research is carried out on ECE and NAO brake pads under dry friction conditions to analyze the influence of each major environmental factor on the friction characteristics of the friction pair and the reasons for the change in friction factor at the microscopic level.A simulation mathematical model of the friction characteristics of the two types of brake pads in the braking process is constructed using MATLAB,transformed into a real-time state estimation model with the help of Kalman filter equation of state,and finally imported into the hardware-in-the-loop joint simulation system to verify its applicability.Comparative analysis shows that the model has an average error of only 0.6872%,which can well simulate the change in friction characteristics in the actual braking process and provide a reference for production development and simulation research.

关 键 词：ECE与NAO制动块摩擦特性 仿真数学模型 卡尔曼滤波 硬件在环联合仿真系统 

分 类 号：U46[机械工程—车辆工程]