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1. GB2561424 - Adjustment of maximum brake pump speed based on target and measured decelerations

Office
United Kingdom
Application Number 201800133
Application Date 04.01.2018
Publication Number 2561424
Publication Date 17.10.2018
Publication Kind A
IPC
B60T 8/40
BPERFORMING OPERATIONS; TRANSPORTING
60VEHICLES IN GENERAL
TVEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
8Arrangements for adjusting wheel-braking force to meet varying vehicular or ground-surface conditions, e.g. limiting or varying distribution of braking force
32responsive to a speed condition, e.g. acceleration or deceleration
34having a fluid pressure regulator responsive to a speed condition
40comprising an additional fluid circuit including fluid pressurising means for modifying the pressure of the braking fluid, e.g. including wheel driven pumps for detecting a speed condition, or pumps which are controlled by means independent of the braking system
B60T 7/22
BPERFORMING OPERATIONS; TRANSPORTING
60VEHICLES IN GENERAL
TVEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
7Brake-action initiating means
12for automatic initiation; for initiation not subject to will of driver or passenger
22initiated by contact of vehicle, e.g. bumper, with an external object, e.g. another vehicle
CPC
B60T 8/321
BPERFORMING OPERATIONS; TRANSPORTING
60VEHICLES IN GENERAL
TVEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL
8Arrangements for adjusting wheel-braking force to meet varying vehicular or ground-surface conditions, e.g. limiting or varying distribution of braking force
32responsive to a speed condition, e.g. acceleration or deceleration
321deceleration
B60T 8/34
BPERFORMING OPERATIONS; TRANSPORTING
60VEHICLES IN GENERAL
TVEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL
8Arrangements for adjusting wheel-braking force to meet varying vehicular or ground-surface conditions, e.g. limiting or varying distribution of braking force
32responsive to a speed condition, e.g. acceleration or deceleration
34having a fluid pressure regulator responsive to a speed condition
B60T 7/042
BPERFORMING OPERATIONS; TRANSPORTING
60VEHICLES IN GENERAL
TVEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL
7Brake-action initiating means
02for personal initiation
04foot actuated
042by electrical means, e.g. using travel or force sensors
B60T 7/22
BPERFORMING OPERATIONS; TRANSPORTING
60VEHICLES IN GENERAL
TVEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL
7Brake-action initiating means
12for automatic initiation; for initiation not subject to will of driver or passenger
22initiated by contact of vehicle, e.g. bumper, with an external object, e.g. another vehicle ; , or by means of contactless obstacle detectors mounted on the vehicle
B60T 8/4059
BPERFORMING OPERATIONS; TRANSPORTING
60VEHICLES IN GENERAL
TVEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL
8Arrangements for adjusting wheel-braking force to meet varying vehicular or ground-surface conditions, e.g. limiting or varying distribution of braking force
32responsive to a speed condition, e.g. acceleration or deceleration
34having a fluid pressure regulator responsive to a speed condition
40comprising an additional fluid circuit including fluid pressurising means for modifying the pressure of the braking fluid, e.g. including wheel driven pumps for detecting a speed condition, or pumps which are controlled by means independent of the braking system
404Control of the pump unit
4059involving the rate of delivery
B60T 13/18
BPERFORMING OPERATIONS; TRANSPORTING
60VEHICLES IN GENERAL
TVEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL
13Transmitting braking action from initiating means to ultimate brake actuator with power assistance or drive; Brake systems incorporating such transmitting means, e.g. air-pressure brake systems
10with fluid assistance, drive, or release
12the fluid being liquid
16using pumps directly, i.e. without interposition of accumulators or reservoirs
18with control of pump output delivery ; , e.g. by distributor valves
Applicants FORD GLOBAL TECH LLC
Inventors ANDREW DENIS LEWANDOWSKI
JASON CHRISTOPHER MATTHEWS
CHARLES EDWARD UPTAIN
SHANE LARKIN
Priority Data 15400626 06.01.2017 US
Title
(EN) Adjustment of maximum brake pump speed based on target and measured decelerations
Abstract
(EN)
Method and apparatus are disclosed for adjustment of maximum brake pump speed based on target and measured decelerations. A vehicle includes a brake pump having a maximum pump speed. The vehicle also includes a vehicle decelerator to determine a target deceleration for autonomous deceleration and send a signal to the brake pump to decelerate the vehicle at the target deceleration. A first sensor detects a measured deceleration and a maximum speed regulator to adjust the maximum pump speed based on a difference between the target deceleration and the measured deceleration. A further sensor may detect an object in front of the vehicle and the automatic deceleration may be determined to maintain a buffer distance between the vehicle and the object.