Method and system for adjusting braking force

Details Method and system for adjusting braking force Method and system for adjusting braking force

G - Physics

05

D

341/73.21

G05D 13/62 (2006.01) B60T 8/173 (2006.01) B60T 8/1761 (2006.01) B60T 8/32 (2006.01)

Patent

CA 1046154

ABSTRACT OF THE DISCLOSURE The braking force applied to vehicles is related to the deceleration or acceleration of each of the braked vehicle wheels, so that, for a given braking signal, the braking force is suppressed when the deceleration of the braked wheel passes a predetermined threshold (which occurs, for example, when the wheel begins to skid freely), and re-application of braking force is delayed by a time proportional to the amount of decel- eration of the wheel and of acceleration during the time it is picking up speed when the acceleration passes a predetermined threshold. Control of the braking force is effected by a system including an element for producing a signal which is a function of the speed of each of the wheels, a differentiator device for receiving the signal and connected, through a diode which passes only deceleration signals, to a threshold device sending a control signal to a member controlling the disengagement of the brake from the corresponding wheel and operating on an all-or- nothing basis, in the case of extreme skidding, and an element permitting transmission to a memory of the signal from the diode proportional to its amplitude and duration, the signal from the differentiator device being transmitted, during acceleration of the vehicle through a diode, which passes only acceleration signals, to a device permitting the memory to dis- charge beyond a predetermined acceleration threshold.

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