线控制动电磁阀响应特性仿真及测试方法研究

根据电磁阀工作原理和结构特征,剖析其性能响应特性,并基于 AMESim 软件构建其仿真模型,对其增压、泄压性能进 行仿真分析。 其次结合理论仿真数据及测试需求,制定其性能测试方法,并采用虚拟仪器技术,研发了一套电磁阀测试系统,实 现自动测试电磁阀响应特性功能。 针对开关型电磁阀及线性电磁阀开展了增压、泄压性能试验测试,测得开关阀增压速率为 835 bar/ s,泄压速率为 914 bar/ s;并通过测试验证了改变控制电流能调节线性阀阀口开度。 仿真和测试结果曲线均符合预期, 验证了所设计的电磁阀性能测试系统的可行性与可靠性。

Research on response characteristics simulation and test method of solenoid valve in brake by wire system

According to the working principle and structural characteristics of solenoid valve, this paper analyzes performance response characteristics of solenoid valve, builds simulation model in AMESim, simulates and analyzes pressurization and pressure relief characteristics of the solenoid valve. Combined with theoretical simulation data and test requirements, formulates performance test methods, develops a set of solenoid valve test system with virtual instrument technology, which realizes the function of automatically testing the response characteristics of solenoid valve. Measured the pressurization and pressure relief characteristics of on-off valve and linear valve, the pressurization rate of on-off valve is 835 bar/ s and the pressure relief rate is 914 bar/ s. Through relevant tests, it is verified that changing the control current can adjust the opening of linear valve. The simulation and test results are in line with expectations, which verifies the feasibility and reliability of the solenoid valve performance test system.