Aiming at the main brake force distribution by using the proportional distribution and the braking force of eddycurrent retarder with shift, it affected the attachment of wheels on the ground. Through the establishment of vehicle dynamics,relationship of sliding rate with braking force and the eddy current retarder braking dynamics model, the controlledmethod was researched by relative value as control parameters to the sliding rate and the target rate at the front wheelbrake sliding. The sliding rate of the front and rear wheels was compared. Its difference value was control parameter toadjust the eddy current retarder braking force, which do compensation for the rear wheel braking force. This control strategyis carried based on the simulation analysis in Matlab/Simulink. The analysis results show that this method can makefull use of road adhesion and improve the braking force and the traffic safety.
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