Method for determining the total deceleration value achievable for commercial vehicles by operating the wheel brakes, braking equipment for implementing the method and commercial vehicles having braking equipment
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A technology for wheel brakes and braking equipment, which is applied in the field of commercial vehicles or vehicle combinations, and can solve the problem of not running out of reliable information.
Active Publication Date: 2022-02-25
WABCO GMBH
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The fuel consumption reduction potential of vehicle platooning may not be exhausted with reliable information on the achievable total braking force
Method used
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[0026] specific implementation plan
[0027] figure 1 An electro-pneumatic schematic diagram of an electronic brake system 5 of a commercial vehicle 6 is shown. Electrical circuits are shown in dashed lines and pneumatic circuits are shown in solid lines. In the exemplary embodiment shown, the commercial vehicle 6 comprises two axles 7 , 8 on which wheels 9 are arranged on each side. To decelerate (brake) the commercial vehicle 6 , a wheel brake 10 is assigned to each wheel 9 . in accordance with figure 1 In the exemplary embodiment, the brake system 5 has a pneumatic operating system 41 so that the wheel brakes 10 can be operated pneumatically and apply the braking force to the rotating wheel 9 corresponding to the required braking pressure. The pneumatic operating system 41 consists of a pneumatic brake cylinder 42 connected to the wheel brake 10 as well as a brake lever 43 and a pressure piston which is arranged within the wheel brake 10 . Brake cylinder 42 generates an ...
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Abstract
The invention relates to a method for determining the total deceleration value (b) which can be achieved by actuating the wheel brakes of a commercial vehicle (6) or a vehicle combination (24) having a plurality of axles (7, 8). max , b min )Methods. The invention also relates to a braking device for carrying out the method and a commercial vehicle or a vehicle combination having such a braking device for carrying out the method. In order to determine the currently achievable total deceleration value (b max , b min ), according to the invention, in order to implement the deceleration request (20) in the partial braking (27), the braking unit (1, 2, 3, 4) unevenly distributed braking force (F 1 , F 2 , F 3 , F 4 ) to distribute the braking force (26), wherein one of the braking units (1, 2, 3, 4) is respectively selected and applied by the selected braking unit (29) and applied by the other braking units (1, 3, 4) Compared with larger braking force (F 2 ), wherein the current deceleration b of the commercial vehicle (6) or vehicle combination (24) is measured or known and used as the partial deceleration value (b 1 , b 2 , b 3 , b 4 ) are each assigned to the selected brake unit (29) and saved. The total deceleration value that will be achieved (b min , b max ) is determined as the partial deceleration value (b) of all braking units (1, 2, 3, 4) 1 , b 2 , b 3 , b 4 ) sum (31).
Description
technical field [0001] The invention relates to a method according to claim 1 for determining the total deceleration value achievable by actuating the wheel brakes of a commercial vehicle or a combination of vehicles having a plurality of axles. The invention also relates to a braking system according to claim 8 for carrying out the method, and to a commercial vehicle or a combination of vehicles according to claim 9 having such a braking system. Background technique [0002] Automated braking systems such as the Advanced Emergency Braking System (AEBS = "advance emergency braking system (Advance Emergency Braking System)"), driver assistance systems such as Electronic Stability Control (ESC) are increasingly being used in modern commercial vehicles, where , the brake system automatically decelerates the vehicle as required via the electronic brake control unit independently of the driver's braking. Here, it is of particular interest to know as precisely as possible the tot...
Claims
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Application Information
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