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Research on the Coordinated Control of Active Front Steering and Direct Yaw-Moment Control Based on the Model Prediction
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Bo Li, Shuangshuang Li, Yanfei Bai, Guodang Zhang, Shuai Shao
Automobile Technology | 2023, (1) : 37 - 43
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Automobile Technology | 2023, (1): 37-43
Research on the Coordinated Control of Active Front Steering and Direct Yaw-Moment Control Based on the Model Prediction
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Bo Li, Shuangshuang Li, Yanfei Bai, Guodang Zhang, Shuai Shao
Affiliations
  • Beijing Electric Vehicle Co., Ltd., Beijing 100176
Published: 2023-01-24 doi: 10.19620/j.cnki.1000-3703.20210775
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To improve the lateral stability of vehicles on middle and low adhesion roads, a coordinated controller of Active Front Steering (AFS) and Direct Yaw-moment Control (DYC) based on Model Predictive Control (MPC) is constructed. The controller is composed of an upper decision-making layer and a lower executive layer. The upper layer is based on MPC to obtain the required additional yaw moment, and the lower one aims to correct the steering angles of front wheels or apply the wheel cylinder pressure by AFS and DYC. The effectiveness of the control strategies in Double Lane Change (DLC) scenarios is validated, which reveals that, with the road adhesion coefficient being 0.25, the vehicle slip angle and yaw rate are stabilized within -3.5°~3.5° and -16~16 (°)/s respectively, the longitudinal vehicle speed stabilized at roughly 88 km/h. With a road adhesion coefficient of 0.4, the relevant stability indices, including the longitudinal vehicle speed, vehicle slip angle and yaw rate, are significantly improved by the coordinative strategy. Analysis indicates that this AFS-DYC coordinated control strategy can significantly improve vehicle handling stability under medium and low adhesion coefficient condition.

Vehicle dynamics  /  Lateral stability  /  Model-based prediction  /  Coordinated control
Bo Li, Shuangshuang Li, Yanfei Bai, Guodang Zhang, Shuai Shao. Research on the Coordinated Control of Active Front Steering and Direct Yaw-Moment Control Based on the Model Prediction[J]. Automobile Technology, 2023 , (1) : 37 -43 . DOI: 10.19620/j.cnki.1000-3703.20210775
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doi: 10.19620/j.cnki.1000-3703.20210775
  • Online Date：2025-12-07
  • Published：2023-01-24
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  • Revised：2022-01-13
Affiliations
    Beijing Electric Vehicle Co., Ltd., Beijing 100176
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https://castjournals.cast.org.cn/joweb/qcjs/EN/10.19620/j.cnki.1000-3703.20210775
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小菇属 Mycena 11 5.26
光柄菇属 Pluteus 5 2.39
红菇属 Russula 17 8.13
栓菌属 Trametes 5 2.39
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