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An electronic stability control (ESC) algorithm is proposed for a four in-wheel motor independent-drive electric vehicle (4MIDEV) utilizing motor driving and regenerative braking torque distribution control to improve vehicle stability. A stability judgment controller, an upper level controller, and a torque distribution algorithm are designed for the ESC system. The stability judgment controller...
Four wheels independent driving (4WID) electric vehicle uses four motors. if some motors get faults, the whole vehicle would loss the stability to cause casualties. To solve the problem mentioned above, the fault tolerance control strategy of two motors of the 4WID electric vehicle running in straight line was studied and solved in this paper. The two-motor-fault modes were listed in all its aspects...
Conventional engine based vehicles inevitably have complicated structures due to lots of elements. Because of this characteristic, research, development, and also marketing are mainly conducted by the conglomerate, like GM, BMW, Honda, and Hyundai motors, etc. But environmental pollution and fuel exhaustion by the stated vehicle increase the necessity of EV(Electric Vehicle) as a representative of...
EV with 4 in-wheel motors has advantages of system's light weight because it has respectively independent control system. But it is difficult that EV has to control four in-wheel motors at once. The speeds of four in-wheel motors are different each other, because the disturbance and over wheel of four in-wheel motors are not the same. EV is necessary to control synchronously. Velocity differences...
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