| FAULT TOLERANT CONTROL METHOD OF DUAL STEERING ACTUATOR MOTORS FOR STEER-BY-WIRE SYSTEM |
| L. HE, G. Y. CHEN, H. Y. ZHENG |
| Jilin University |
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| ABSTRACT |
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A fault tolerant control method has been proposed based on the steer-by-wire system with dual steering actuator motors as presented in this paper. The paper built a real-time fault diagnosis mechanism based on the motor model and adaptive fading Kalman filter firstly. Then the diagnosis results were used to judge whether the angle feedback control and the torque feedback control need to be amended to realize fault tolerant control. Finally, hardware-in-the-loop test bench of this steer-by-wire system has been built for experiments and the results demonstrated that the fault tolerant control method was feasible and accurate. |
| Key Words:
Vehicle engineering, Steer-by-wire, Fault tolerant, Fault diagnosis, Dual motors |
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