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International Journal of Automotive Technology 2006;7(3): 321-327. |
| DEVELOPMENT OF THE INDEPENDENT-TYPE STEER-BY-WIRE SYSTEM USING HILS |
| H. Y. JO, U. K. LEE, M. S. KAM |
| Hyundai Motor |
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| ABSTRACT |
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The previous paper described the logic tuning, the vehicle manufacture and the evaluation in the HILS system for the purpose of the development of a Steer-By-Wire (SBW) system. This paper describes the content of applying to a new HILS system, the vehicle manufacture and the result of the evaluation performed in Independent-type SBW (ISBW) system. Here, the SBW indicates the method of steering both tires by using one motor as the steering gear actuator, similar to the conventional steering system. On the other hand, the I-SBW means the method of steering both front tires independently by using dual motors as the steering gear actuator. As a result, the layout and the kinematical mechanism of the I-SBW system are quite different from those of the typical steering mechanism. Nevertheless, there is no change in the steering column motor system. In the report, we first describe the structure and control logic of the I-SBW system, and then the control effect on this system as applied for both the HILS system and a vehicle. Furthermore, our HILS system involves the actuator mechanism which realizes the reaction force of the road surface with a minimized frictional force in operation. Therefore, it is possible for us to tune the control logic via the HILS system and confirm the effect of the tuned control logic by applying it to a vehicle with the I-SBW system. |
| Key Words:
SBW (Steer-By-Wire), HILS (Hardware-in-the-Loop Simulation), I-SBW (Independent-type Steer-By-Wire) |
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