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液压机械差速转向系统是履带车辆的一种新型双功率流转向系统,在对系统构成及工作原理进行分析的基础上,运用动力学原理和模块化建模方法,建立了包含发动机、液压闭式回路系统、行星排及负载等履带车辆液压机械差速转向系统的数学模型和Simulink仿真模型。结合实例,对液压机械差速转向系统的动态响应性能进行了仿真及试验研究,对比表明所建模型能有效表达履带车辆液压机械差速转向系统性能的变化,分析了不同工况参数下系统性能的变化规律,从而为履带车辆液压机械差速转向系统的性能分析及控制研究提供理论依据。
Hydraulic mechanical differential steering system is a new type of dual-power flow steering system for tracked vehicles. Based on the analysis of the system structure and working principle, the kinematic principle and modular modeling method are used to establish a hydraulic steering system including engine, Mathematical Model and Simulink Simulation Model of Hydraulic Mechanical Differential Steering System of Tracked Vehicles, such as Circuit System, Planetary Platoon and Load. The dynamic response performance of the hydraulic differential mechanical steering system is simulated and compared with the practical examples. The comparison shows that the model can effectively express the change of the performance of the hydraulic mechanical differential steering system of the tracked vehicle, and the system performance under different operating parameters Which will provide a theoretical basis for the performance analysis and control of hydraulic mechanical differential steering system of tracked vehicles.