US2006212206A1PendingUtilityA1

Road surface friction sensor and road surface friction coefficient detector, and vehicle antilock braking device

Assignee: JAPAN ELECTRONICS IND LTDPriority: Oct 13, 1988Filed: May 18, 2006Published: Sep 21, 2006
Est. expiryOct 13, 2008(expired)· nominal 20-yr term from priority
Inventors:Nagao Miyazaki
H10F 39/157H10F 39/80G01N 19/02B60T 2210/12B60T 8/52B60T 8/17636B60T 8/172B60T 8/1725
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Claims

Abstract

A method for cyclically controlling the braking of a vehicle includes the following steps: (a) detecting a road surface frictional force of said vehicle, (b) detecting a brake fluid pressure, and (c) controlling the brake fluid pressure in response to detected values including the brake fluid pressure and the road surface frictional force, the controlling including decreasing the brake fluid pressure in response to the road surface frictional force declining during an increase of the brake fluid pressure and increasing the brake fluid pressure in response to the road surface frictional force declining during fall-off of the brake fluid pressure.

Claims

exact text as granted — not AI-modified
1 . A method for cyclically controlling the braking of a vehicle comprising the following steps: 
 (a) detecting a road surface frictional force of said vehicle,    (b) detecting a brake fluid pressure, and    (c) controlling the brake fluid pressure in response to detected values including the brake fluid pressure and the road surface frictional force, the controlling including decreasing the brake fluid pressure in response to the road surface frictional force declining during an increase of the brake fluid pressure and increasing the brake fluid pressure in response to the road surface frictional force declining during fall-off of the brake fluid pressure.

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