NDLI: Cooperative chassis control system of electric vehicles for agility and stability improvements

Content Provider	IET Digital Library
Author	Zhang, Lin Ding, Haitao Guo, Konghui Zhang, Jianwei Pan, Wei Jiang, Zhitong
Abstract	This study describes a cooperative chassis control system that controls longitudinal motion in accordance with the yaw movement for electric vehicles. This system can be used to improve vehicle agility and stability using the integration of torque distribution unit and electronic stability control (ESC). Moreover, this system can assist drivers smoothly navigate through a curve before ESC intervention. The structure of the proposed control system is fundamentally a model following controller, thereby making the vehicle follow the desired instantaneous handling characteristics by regulating the feedforward of the cornering stiffness, state feedback of longitudinal acceleration, and front and rear drive ratios. Experiments are performed to demonstrate the effectiveness of the proposed control system. The maximum steering angle during cornering is confirmed to be significantly reduced with proper deceleration/acceleration control and adjustment of the drive torques of the front and rear axles. Moreover, trajectory tracking can be significantly improved. The proposed control strategy can be used to assist intelligent vehicles to plan a reasonable trajectory, thereby enabling these vehicles to safely and rapidly pass corners or avoid obstacles while ensuring safety.
Starting Page	134
Ending Page	140
Page Count	7
ISSN	1751956X
Volume Number	13
e-ISSN	17519578
Issue Number	Issue 1, Jan (2019)
Alternate Webpage(s)	https://digital-library.theiet.org/content/journals/iet-its/13/1
Alternate Webpage(s)	https://digital-library.theiet.org/content/journals/10.1049/iet-its.2018.5079
Journal	IET Intelligent Transport Systems
Publisher Date	2018-10-15
Access Restriction	Open
Rights Holder	© The Institution of Engineering and Technology
Subject Keyword	Acceleration Acceleration Control Buckling And Instability Collision Avoidance Control Technology And Theory Cooperative Chassis Control System Cornering Stiffness Feedforward Regulation Deceleration Control Drive Torque Adjustment Elastic Constants Elasticity Electric Vehicle Electronic Stability Control ESC Intervention Feedforward Front Drive Ratio Health And Safety Aspects Intelligent Vehicle Longitudinal Acceleration Longitudinal Motion Control Maximum Steering Angle Mechanical Engineering Mechanical Stability Mechanical Variables Control Model Following Controller Motion Control Rear Drive Ratio Road Safety Road Traffic System Control Road Vehicle Rotation Control Spatial Variables Control State Feedback Torque Control Torque Distribution Unit Transportation Vehicle Agility Improvement Vehicle Dynamics Vehicle Mechanics Vehicle Stability Improvement Velocity Yaw Movement
Content Type	Text
Resource Type	Article
Subject	Law Transportation Environmental Science Mechanical Engineering

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4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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