基于RPC的汽车驱动桥虚拟多轴道路模拟试验系统研究

为了研究虚拟试验技术在驱动桥多轴道路模拟试验中的应用，分析试验系统组成及原理，分别利用AMEsim和ADAMS建立电液伺服控制系统和机械系统刚柔耦合多体动力学模型并验证，通过Simulink平台建立机-电-液系统联合仿真模型。结合远程参数控制（RPC）技术中系统辨识和模拟迭代算法，利用MATLAB编写虚拟试验系统加载控制程序并验证。以某驱动桥为例进行虚拟试验，最终平均迭代误差在5%以内，迭代效率和精度大大提高，为驱动桥道路模拟试验提供一种行之有效的方法。

Study of Virtual Multi-Axis Road Simulation Test System of Automobile Driving Axle

In order to research the application of virtual test technique in the test of multi-axis road simulation test system for automobile driving axle, the principle and composition of actual test system is analyzed, the model of the electro-hydraulic servo control system is established by AMEsim, while the model of the mechanical system rigid flexible coupled multi-body dynamic is established by ADAMS, and models are both been verified, mechanical-electro-hydraulic co-simulation model is built up by Simulink. With the system identification and simulative iteration algorithm of Remote parameter Control(RPC), loading control program is done by MATLAB and been verified. With a set of driving axle as an example, the virtual road simulation test is done by the virtual test system established before, final average iteration error is less than 5% , the efficiency and precision are promoted greatly, which means that an effective method is provided for the road simulation test of the automobile driving axle.