| TWO-PORT NETWORK BASED BILATERAL CONTROL OF A STEER-BY-WIRE SYSTEM |
| X. WU1, C. YE1, M. XU1, A. KAKOGAWA2 |
1Shanghai Jiaotong University
2Ritsumeikan University |
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| ABSTRACT |
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Steer-by-wire (SBW) system which is characterized by variable steering feel, better active safety, unmanned drive, has been widely studied to realize a distinctive driving experience. Control strategy acts as a key part of SBW system to achieve the goals. In this paper, a control strategy by bilateral control structure for steer-by-wire system is proposed. To make SBW system has the same function of conventional steering systems, the controller is designed to realize desired tracking control and realistic road feel feedback. The control of position and torque for each actuator is taken as two ports for the control network. Based on different control loop, two kinds of bilateral control is investigated respectively. The hardwarein-the-loop experiment platform of SBW is developed by the reconfiguration of electric power steering system. The test results are compared to show the performance of different control loops. |
| Key Words:
Steer-by-wire, Bilateral control, Tracking control, Road feel control |
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