Cooperative control method and device for transverse stability of electric vehicle and storage medium

The invention provides an electric vehicle transverse stability cooperative control method and device and a storage medium. The method comprises the following steps: acquiring a current yaw velocity, a current side slip angle, a current longitudinal velocity and a steering angle input by a driver; b...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: ZHANG GUOQING, FEI LIYING, ZHOU BO, WANG CHENG, WANG NIAN
Format: Patent
Sprache:chi ; eng
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Beschreibung
Zusammenfassung:The invention provides an electric vehicle transverse stability cooperative control method and device and a storage medium. The method comprises the following steps: acquiring a current yaw velocity, a current side slip angle, a current longitudinal velocity and a steering angle input by a driver; based on the current yaw velocity, the current side slip angle, the current longitudinal velocity and the steering angle, a preset hybrid control rule is adopted to determine an additional yaw moment and an additional front wheel steering angle; the additional yaw moment is sent to a DYC system so that the DYC system can distribute the additional yaw moment based on a preset distribution rule, and longitudinal braking force of the four hubs is obtained; and the additional front wheel steering angles are sent to an AFWS system, so that the AFWS system distributes the additional front wheel steering angles based on a preset steering control rule, and the steering angles of the four hubs are obtained. The situation tha