多轮轨道电驱移动平台自适应电子差速技术
首发时间:2018-04-13
摘要:针对横向跨度较大、精度要求较高的大型电驱轨道移动平台,为保证其能够实现差速控制,提出一种采用独立轮对电驱结构,并利用自适应电子差速技术进行主动控制,对各驱动轮对进行转矩控制,转速随动的方式,使车轮根据自身受力状态实现差速。利用Simpack完成轨道移动平台模型的搭建,利用Simulink完成控制模型的搭建,进行联合仿真。同时针对因车轮磨损导致的实际滚动半径不等的工况进行仿真,证明自适应电子差速控制同样可以针对此种情况解决差速问题。最后根据差速问题的实质提出了电子差速性能评估方法,定量的评价了自适应电子差速控制技术的性能,从而进一步验证了其控制效果和控制精度。
关键词: 道路与铁道工程 电子差速控制 轨道移动平台 独立轮对 轮毂电机驱动
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Adaptive Electronic Differential Control for Multi-wheel Electrical Mobil Platform on Track
Abstract:In this paper,for the large lateral span and high precision requirement of electrical mobile platform,a structure of E-drive independent wheelset and the adaptive electronic differential control is brought outto achieve differential control.The control method by controlling the torque of the motor and freeing the speed of the wheels.The model of the orbiting mobile platform built by Simpack and the control model built by Simulink. Then the simulation results show that the adaptive electronic differential control is also effective when the rolling wheel radius is different. Finally, an evaluation method for the electronic differential performance is proposed, proving adaptive electronic differential control has great control effect and precision.
Keywords: Road and railway engineering Electronic differential control Electrical mobile platform Independent wheelset Motorized wheels driving
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多轮轨道电驱移动平台自适应电子差速技术
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