US 12,459,472 B2
Method for controlling a pressure gradient of a power brake system
Timo Haible, Backnang (DE)
Assigned to ROBERT BOSCH GMBH, Stuttgart (DE)
Filed by Robert Bosch GmbH, Stuttgart (DE)
Filed on Feb. 20, 2024, as Appl. No. 18/582,628.
Claims priority of application No. 10 2023 202 927.8 (DE), filed on Mar. 30, 2023.
Prior Publication US 2024/0326762 A1, Oct. 3, 2024
Int. Cl. B60T 8/26 (2006.01); B60L 7/24 (2006.01); B60T 8/172 (2006.01)
CPC B60T 8/26 (2013.01) [B60L 7/24 (2013.01); B60T 8/172 (2013.01); B60T 2270/604 (2013.01)] 7 Claims
OG exemplary drawing
 
7. A power brake system, comprising:
a comfort control unit configured to calculate a maximum permissible pressure gradient;
an external-force brake pressure generator, via which a pressure for vehicle brakes can be generated for braking the vehicle; and
brake pressure demand units via which, for braking the motor vehicle, a pressure gradient or pressure can be transmitted to the external-force brake pressure generator;
wherein the power brake system is configured to:
continuously calculate a maximum permissible pressure gradient, starting from a current motor speed gradient and motor speed of the external-force brake pressure generator, taking into account a predefined maximum permissible motor speed and a predetermined maximum permissible motor speed gradient; and
continuously transmit the maximum permissible pressure gradient to the brake pressure demand units so that, in the case of a braking event, a pressure gradient requested by the brake pressure demand units or resulting from a requested pressure is less than or equal to the maximum permissible pressure gradient.