Vehicle braking technique evaluation apparatus

Details Vehicle braking technique evaluation apparatus Vehicle braking technique evaluation apparatus

1991-10-11

1993-05-04

Myracle, Jerry W.

Measuring and testing

Brake testing

346 33TP, G01M 1900

Patent

active

052070956

ABSTRACT:
A pneumatic or hydraulic pressure sensor is connected in parallel with the vehicle braking system and the sensor is connected to a computer system which periodically samples the sensor output. Other sensors can be used to detect other quantities such as engine speed, vehicle speed, wheel rotation or transmission speed, and other brake units and their outputs can also be periodically sampled. Under control of the computer, the samples are stored on a magnetic disk. The computer can then be instructed to interrogate the samples stored on the disk to produce charts of various quantities versus time which objectively indicate driver performance. The device can also be used to synchronize individual brake units in a multiple brake vehicle by simultaneously displaying the brake pressures in each brake unit, thereby enabling the relative application timing of the brake units to be measured.

REFERENCES:
patent: 3853004 (1974-12-01), Westlake et al.
patent: 4100792 (1978-07-01), Leiber
patent: 4520663 (1985-06-01), Moore et al.

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