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30권 11호 923-929 2022 [한국자동차공학회 논문집 ]

제목 xEV 핸들링 성능 향상을 위한 구동모터 기반 타이어 힘 최적 제어 개발(E-Handling)
분야 차량동역학 및 제어
언어 Korean
저자 황성욱(현대자동차), 박재일(현대자동차), 김승기(현대자동차), 이상호(현대자동차), 김상준(현대자동차), 김우균(현대자동차)
Key Words E-Handling(이-핸들링), Motor brake torque(모터 제동 토크), Motor drive torque(모터 구동 토크), Tire lateral force(타이어 횡력), Tire grip force(타이어 그립력), Handling agility(선회 민첩성), Handling stability(선회 안정성)
초록 A method for improving an electric vehicle’s cornering performance using motor braking torque and motor driving torque has been described. When the electric vehicle is on a cornering entry point, applying motor braking torque improves the front grip force and lateral force while the vehicle load transfers to the front wheel. Through this, the yaw rate of the vehicle is increased and subsequently improves the cornering agility. In the same principle, if the motor driving torque is applied immediately before the steering angle is reached at neutral, the lateral force of the rear wheel increases to prevent oversteering and to improve cornering stability. The proposed E-Handling logic is verified through vehicle testing in various road conditions. This E-Handling logic was developed for the first mass production of the NX4 HEV in HMC.
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