Traction control system with function of suppression of wheels self-oscillation in traction mode
https://doi.org/10.51187/0135-3152-2023-3-44-56
Abstract
Introduction (problem statement and relevance). Currently, the number of operated passenger vehicles with individual electric propulsion of driving wheels is increasing. Such design is characterized by a short kinematic chain of mechanical transmission with low moment of inertia and damping. At the same time, electric motors can ensure high torque with its rapid change already at the beginning of driving, which can contribute to occurrence of increased tyre slipping and skidding. In this case, self-oscillation processes can emerge in the drive system, and that will affect operational properties when, as the slipping speed increases, the friction force in the contact patch is reduced thus causing higher loads in the drive.
The purpose of the study is to develop a driving wheel spin (slip) monitoring method with a self-oscillation suppression function.
Methodology and research methods. The simulation of processes of formation of self-oscillation phenomena in the wheel and road contact interaction area has been performed in the Matlab Simulink software suite. The method of actual (field) testing on the vehicle with individual electric propulsion of driving wheels has been applied.
Scientific novelty and results. The paper introduces the driving wheel slip monitoring method with the self-oscillation suppression function consisting in motional energy removal from the system. Application of the system with the specified property reduces the peak values (amplitudes) of oscillations of wheel angular velocities by 27.8% and torques by 66.7%.
The practical significance of the study lies in the possibility to use the research results in development of traction control systems with the self-oscillation suppression function.
About the Author
A. V. Klimov
KAMAZ Innovation Center LLC
Russian Federation
Russian Federation
Klimov A.V. – PhD (Eng), head of the electrified vehicles service
Moscow 121205
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Review
For citations:
Klimov A.V. Traction control system with function of suppression of wheels self-oscillation in traction mode. Trudy NAMI. 2023;(3):44-56. (In Russ.) https://doi.org/10.51187/0135-3152-2023-3-44-56
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