ABS pump motor modulation

Details ABS pump motor modulation ABS pump motor modulation

1998-03-20

2000-08-01

Oberleitner, Robert J.

Fluid-pressure and analogous brake systems

With pump

Pressure control

3031161, 3031164, B60T 1318

Patent

active

060956208

ABSTRACT:
A subroutine for modulating the voltage applied to power an anti-lock brake system pump motor when the vehicle speed is below a predetermined speed threshold. The voltage also is modulated when the vehicle deceleration is less than a predetermined deceleration threshold. The modulated voltage can have a constant duty cycle with a variable frequency or a constant frequency with a variable duty cycle.

REFERENCES:
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patent: 5281014 (1994-01-01), Volz
patent: 5410229 (1995-04-01), Sebastian et al.
patent: 5454632 (1995-10-01), Burgdorf et al.
patent: 5487593 (1996-01-01), Potts et al.
patent: 5547265 (1996-08-01), Harris et al.
patent: 5811947 (1998-09-01), Hurst et al.

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