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电传动履带车辆双侧驱动转矩调节控制策略 总被引:2,自引:1,他引:1
为降低电传动履带车辆双侧驱动转速调节控制策略中电动机控制任务量与难度,提出转矩调节控制策略。结合双侧电机驱动电传动履带车辆动力学特征,分析转矩调节控制策略的理论基础和可行性。把加速踏板、制动踏板以及方向盘操作映射为控制变量γ和ε,结合驱动电机转速一转矩特性设计转矩调节控制策略。在Simulink/Stateflow环境中建立包括驾驶员输入模块、转矩调节控制策略模块、电机及控制器模块以及车辆动力学模块的整车驱动系统模型。不同路面上多工况仿真和实车行驶试验验证了转矩调节控制策略可行性和有效性。该控制策略已在车辆上成功应用。 相似文献
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Based on analyzing the structure and working principle on electric vehicles(EVs)with dual motors coupled by planetary gears,the control strategy of mode switching was proposed.The power interruption problem on EVs with automatic mechanical transmission(AMT)shifting was resolved.Based on the speed-torque characteristics of the planetary gears and the principle of the auxiliary motor’s zero speed braking,control features of mode switching were introduced.The mode shifting between the main motor mode and dual motors coupled driving were studied.Matlab/Simulink was adopted as a platform to develop the simulation model of EVs with dual motors drive system and 3 gears AMT.Simulation results demonstrated that the power interruption of dual motors drive system was solved during mode switching.The power requirements of EVs were satisfied,too. 相似文献
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Energy Transferring Dynamic Equalization for Battery Packs 总被引:1,自引:0,他引:1
The equivalent circuit model of battery and the analytic model of series battery uniformities are setup. The analysis shows that it is the key to maintain small voltage difference between cells in order to improve uniformities. Therefore a new technique combining low voltage difference, big current charging and bi-directional charge equalizer system is put forward and designed. The test shows that the energy transferring dynamic equalization system betters the series battery uniformities and protection during charging and discharging, improves the battery performance and extends the use life of series battery. 相似文献
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