서지주요정보
차량 구동력 제어 시스템의 제어 기법에 대한 연구 = A study on the controller design of traction control system
서명 / 저자 차량 구동력 제어 시스템의 제어 기법에 대한 연구 = A study on the controller design of traction control system / 정훈상.
저자명 정훈상 ; Jung, Hun-Sang
발행사항 [대전 : 한국과학기술원, 2000].
Online Access 원문보기 원문인쇄

소장정보

등록번호

8010899

소장위치/청구기호

학술문화관(문화관) 보존서고

MME 00074

휴대폰 전송

도서상태

이용가능

대출가능

반납예정일

초록정보

Excessive traction torque while starting on slippery roads and slopes causes the wheels to spin, consequently reducing the directional stability and the traction force. To solve this problem, researches on the traction control system(TCS) that controls the traction torque using various vehicle parts have been conducted. But these commercial TCSs use experiential methods such as lookup table and gain-scheduling to achieve proper performance under various road and vehicle conditions. To design a systematic controller using non-experiential method is the goal of this research. At first, this research proposes a fundamental slip controller which maintain the slipratios of the driven wheels to prevent the excessive slip of driven wheels. The slip controller is composed of brake and throttle controller. To avoid measurement problems and get the simple structure, brake controller was designed using Lyapunov redesign method and throttle controller was designed using multiple sliding mode controller. Through the hybrid use of brake and throttle controllers, the vehicle was insensitive to the variation of vehicle mass, brake gain and road condition and could gain traction performance. Extending the fundamental slip controller to provide directional stability in the cornering and lane change on the slippery roads requires yaw rate and lateral acceleration sensors to detect the vehicle dynamics. The control system monitors the course of the vehicle and compares it to the desired by the driver. These additional sensors are fundamental for directional stability but very expensive. So a new method to measure the mixture of yaw rate & lateral acceleration using the speed difference of non-driven wheels is proposed. Using this measurement, the controller impose additional pressure to the driven wheels. Course deviation is corrected by braking the individual driven wheels and directional stability is gained. When a vehicle start off in the stiff slopes and traction torque is not sufficient, the vehicle is pushed back by the gravity. To prevent this phenomenon, a transition controller which use the locking of the non-driven wheels is proposed. After the vehicle move forward, the controller converts to the original slip controller mentioned. The total controllers can be unified in a consistent structure. The control performance was verified using 7 DOF and 15 DOF vehicle model.

서지기타정보

서지기타정보
청구기호 {MME 00074
형태사항 vi, 92 p. : 삽도 ; 26 cm
언어 한국어
일반주기 저자명의 영문표기 : Hun-Sang Jung
지도교수의 한글표기 : 박영진
지도교수의 영문표기 : Young-Jin Park
학위논문 학위논문(석사) - 한국과학기술원 : 기계공학전공,
서지주기 참고문헌 : p. 90-92
주제 구동력 제어
슬립율 제어
전환면 제어
다중 전환면 제어
방향 안정성
Traction control
Slip control
Sliding mode control
Multiple sliding mode
Directional stability
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