A Determination Method of Road Surface Adhesion Level for Braking Distance Compensation
A technology of road surface adhesion and braking distance, applied in the direction of brakes, etc., can solve the problems of large deviation of braking distance, openness of main engine factories, complex calculation, etc., and achieve the effect of facilitating mass promotion and application and simple method
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[0012] The present invention will be described in detail below in conjunction with the accompanying drawings.
[0013] In the present invention, the road surface adhesion grade is divided into four grades: normal, good, medium and poor. The road surface adhesion level is related to the master cylinder pressure when the anti-lock brake function is triggered, and the accelerator pedal opening when the start anti-skid function is triggered. If the anti-lock brake function is triggered when the brake pedal is depressed slightly (i.e., the master cylinder pressure is very small), the road adhesion level can be defined as "poor", and the subsequent levels will be adjusted similarly with the pressure value of the master cylinder; if the accelerator pedal opening When the start anti-skid function is triggered very early, the road adhesion level can also be defined as "poor", and the subsequent level is similarly adjusted with the accelerator pedal opening.
[0014] Such as figure 1 ...
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