Relaxed static stability based on tyre cornering stiffness estimation for all-wheel-drive electric vehicle

Jun Ni; Jibin Hu; Changle Xiang

doi:10.1016/j.conengprac.2017.04.011

Relaxed static stability based on tyre cornering stiffness estimation for all-wheel-drive electric vehicle

Jun Ni, Jibin Hu^*, Changle Xiang

^*Corresponding author for this work

School of Mechanical Engineering

Beijing Institute of Technology

Research output: Contribution to journal › Article › peer-review

12 Citations (Scopus)

Abstract

A novel dynamics control approach for all-wheel-drive electric vehicle (EV), relaxed static stability (RSS) approach is proposed with two advantages. Firstly, it allows vehicle lateral dynamics system to be inherent unstable to improve configuration flexibility. Secondly, handling performance could be improved based on closed-looped pole assignment with additional yaw moment. In this paper, basic control framework of RSS is proposed, including ‘Desired Pole Location’, ‘Pole Assignment’ and ‘Tyre Cornering Stiffness Estimation’ modules. The tyre cornering stiffness is estimated online to improve the robustness of the controller. The experiments based on an EV testbed show the performance and efficiency of RSS.

Original language	English
Pages (from-to)	102-110
Number of pages	9
Journal	Control Engineering Practice
Volume	64
DOIs	https://doi.org/10.1016/j.conengprac.2017.04.011
Publication status	Published - 1 Jul 2017

Keywords

All-wheel-drive Vehicle
Electric Vehicle (EV)
Relaxed Static Stability
Vehicle Dynamics
Yaw Moment Control

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10.1016/j.conengprac.2017.04.011

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title = "Relaxed static stability based on tyre cornering stiffness estimation for all-wheel-drive electric vehicle",

abstract = "A novel dynamics control approach for all-wheel-drive electric vehicle (EV), relaxed static stability (RSS) approach is proposed with two advantages. Firstly, it allows vehicle lateral dynamics system to be inherent unstable to improve configuration flexibility. Secondly, handling performance could be improved based on closed-looped pole assignment with additional yaw moment. In this paper, basic control framework of RSS is proposed, including {\textquoteleft}Desired Pole Location{\textquoteright}, {\textquoteleft}Pole Assignment{\textquoteright} and {\textquoteleft}Tyre Cornering Stiffness Estimation{\textquoteright} modules. The tyre cornering stiffness is estimated online to improve the robustness of the controller. The experiments based on an EV testbed show the performance and efficiency of RSS.",

keywords = "All-wheel-drive Vehicle, Electric Vehicle (EV), Relaxed Static Stability, Vehicle Dynamics, Yaw Moment Control",

author = "Jun Ni and Jibin Hu and Changle Xiang",

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N2 - A novel dynamics control approach for all-wheel-drive electric vehicle (EV), relaxed static stability (RSS) approach is proposed with two advantages. Firstly, it allows vehicle lateral dynamics system to be inherent unstable to improve configuration flexibility. Secondly, handling performance could be improved based on closed-looped pole assignment with additional yaw moment. In this paper, basic control framework of RSS is proposed, including ‘Desired Pole Location’, ‘Pole Assignment’ and ‘Tyre Cornering Stiffness Estimation’ modules. The tyre cornering stiffness is estimated online to improve the robustness of the controller. The experiments based on an EV testbed show the performance and efficiency of RSS.

AB - A novel dynamics control approach for all-wheel-drive electric vehicle (EV), relaxed static stability (RSS) approach is proposed with two advantages. Firstly, it allows vehicle lateral dynamics system to be inherent unstable to improve configuration flexibility. Secondly, handling performance could be improved based on closed-looped pole assignment with additional yaw moment. In this paper, basic control framework of RSS is proposed, including ‘Desired Pole Location’, ‘Pole Assignment’ and ‘Tyre Cornering Stiffness Estimation’ modules. The tyre cornering stiffness is estimated online to improve the robustness of the controller. The experiments based on an EV testbed show the performance and efficiency of RSS.

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KW - Electric Vehicle (EV)

KW - Relaxed Static Stability

KW - Vehicle Dynamics

KW - Yaw Moment Control

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Relaxed static stability based on tyre cornering stiffness estimation for all-wheel-drive electric vehicle

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