介绍了负载敏感充液系统的原理并对系统中的关键元件先导卸荷阀进行分析,在此基础上建立了充液过程的数学模型;建立了系统的AMESim仿真模型,研究主要结构参数及系统参数对充液系统性能的影响.通过试验验证了仿真模型的正确性,为充液系统以及先导卸荷阀的设计提供参考.
The principle of load sensing charging system is introduced,and the unloading valve which is a key element in the system is analyzed.Based on this,the mathematical model of charging process and the AMESim simulation model of the system are established to study the influence of the main structure parameters and system parameters on the charging system performance.The test verifies the correctness of the simulation analysis,providing a reference for the design of the charging system and the unloading valve.