基于Simulink的液压起升机构仿真研究

Research of hydraulic-driven Lift Mechanism Simulation Based on Simulink

探讨了基于Simulink平台的液压起升机构建模与仿真方法。利用Simulink的SimMechaics模块集建立了起升机构的机械模型,采用改进的节流流量模型,基于节点法建模思想建立了易于计算机求解的液压系统模型,根据液压、机械系统的参数关联关系将两个系统模型有机集成起来,得到较为完整的液压起竖机构仿真模型,并给出了仿真结果,对起升机构的性能分析和智能控制算法的应用研究具有实际意义。同时指出,该方法能够实现机械、液压、控制系统仿真模型的有机集成,对复杂机电液一体化系统的仿真与优化研究具有借鉴意义。

The modeling and simulation method of hydraulic-driven lift mechanism system based on Simulink were discussed, The mechanism model of lift system was proposed using SimMechanics modules, The improved throttle model was utilized the model of hydraulic system was built based on the method of node analysis, and the model could be calculated by computer easily, The whole simulation model was established combining mechanism model and hydraulic model by the parameter relationship, and the simulation results were given, and it is aimed to be beneficial for performance analysis of lift mechanism and application studies of intellective control strategies. The integration of simulation models for mechanism, hydraulic and control system can be realized by means of this method, and the research results are of significance for the simulation and optimization of complicated electro-mechanical and hydraulic integrated system.