B60T2270/414

Control device and method for operating a parking brake device of a vehicle
11466776 · 2022-10-11 · ·

A control device (10) for a parking brake device has an electronic device (12) by means of which, in the event of failure of a power supply system of a vehicle equipped with the control device (10) and the parking brake device during a procedure for parking the vehicle, at least one activation signal (14) can be output to a triggering device (16) of the parking brake device, so that the triggering device (16) can be activated by means of the at least one activation signal (14) and the parking brake device can be transferred to a locking mode by means of the activated triggering device (16), such that the vehicle is locked in its current parking position by means of the parking brake device present in its locking mode.

ELECTROMECHANICAL BRAKING SYSTEM
20220314950 · 2022-10-06 ·

The present invention relates to a braking technology of a vehicle, and in particular to an electromechanical brake (EMB) system with redundant power supply. The electromechanical brake system comprises a recharging power source (21) and at least two control modules (221, 222) corresponding to axles (241, 242) of a vehicle. The control modules (221, 222) comprise a power supply unit (251, 252) that supplies power to electric brake devices (231, 232, 233, 234) disposed at opposite ends of a corresponding axle (241, 242) in response to an operation demand. The power supply unit (251, 252) is charged by the recharging power source (21). The power supply unit (21) of at least one of the control modules (221, 222) is configured with redundancy.

HYDRAULIC BRAKE SYSTEM

A hydraulic brake system includes: a plurality of hydraulic brakes respectively provided for a plurality of wheels of a vehicle, each of which is configured to reduce rotation of a corresponding one of the wheels by a hydraulic pressure in a hydraulic-pressure chamber of a wheel cylinder; and a plurality of electric cylinder devices each of which is provided for one or more of the plurality of hydraulic brakes. Each electric cylinder device includes: a housing; a piston fluid-tightly and slidably disposed in the housing; an electric motor as a drive source; a rotation-linear motion converting mechanism configured to convert a rotational motion of the electric motor to a linear motion of the piston; and a volume change chamber disposed forward of the piston and connected to the hydraulic-pressure chamber of the wheel cylinder of each of the one or more of the plurality of hydraulic brakes.

Sensor Assembly for a Vehicle and Multi-Circuit Braking System
20230202441 · 2023-06-29 ·

A sensor assembly includes control devices with evaluation and control units, and multiple sensor elements which are each assigned to a brakeable vehicle wheel and one of the evaluation and control units designed to detect a physical variable of the associated wheel and to output same as an output signal directly to the associated evaluation and control unit, wherein the control devices are each designed to carry out a braking function of the vehicle based on the detected movement-dependent physical variables of the vehicle wheels, wherein the individual evaluation and control units are designed to output the received output signal to a respective evaluation and control unit of another control device, such that the individual evaluation and control units each receive the output signals from at least two sensor elements, which are assigned to evaluation and control units of different control devices, and prepare same for evaluation.

Redundant power supply for brake system

A local control unit for a brake system is described. The control unit serves to actuate an electromechanical brake of the brake system of a wheel and according to one exemplary embodiment has a first connection for a main power supply and a second connection for a generator which is coupled to the wheel and which provides a standby power supply for the control unit.

Supplementary power supply and a method for providing supplemental power

A supplementary power supply for a vehicle that includes a main power supply is disclosed. The supplementary power supply includes at least one supplementary power unit dedicated as backup power supply for safety relevant components such as controllers and/or actuators.

VEHICLE
20230182681 · 2023-06-15 · ·

A vehicle includes: a brake mechanism configured to brake a wheel in accordance with a pressure of a brake fluid; a hydraulic circuit configured to adjust the pressure of the brake fluid and transfer the brake fluid to the brake mechanism; and a controller. The controller includes one or more processors to execute: a torque adjustment process of giving an offset to increase a required driving torque determined based on an operation amount of accelerator of the vehicle in a case where it is determined that the vehicle is in a stolen state; and a brake fluid pressure adjustment process of applying control to the hydraulic circuit to pressurize the brake fluid so as to compensate for an increase in the required driving torque due to the offset.

Control Architecture for Electrified Braking and Electrified Steering of a Vehicle
20220055587 · 2022-02-24 ·

A control architecture for electrified braking and electrified steering of a vehicle supplies a steering actuator and a steering controller with power from a first one of at least two energy supply units. Two brake actuators are supplied with power from a second one of the at least two energy supply units. A first brake actuator is associated with a first wheel of the vehicle and a second brake actuator is associated with a second wheel of the vehicle. The first brake actuator and/or the second brake actuator is/are actuated to perform a steering function for the vehicle.

Floor mounted brake pedal

The invention relates to a floor mounted brake pedal for an electrically controlled vehicle brake, comprising a first pedal lever, a second pedal lever arranged in front of the first pedal lever, a pedal platform having a stepping area and a shaft protruding from the stepping area in a forward direction, a first pedal sensor for detecting a position of the brake pedal, and a second pedal sensor for independently detecting the position of the brake pedal.

BRAKING SYSTEM FOR A MOTOR VEHICLE

A brake system comprises a first electrohydraulic open-loop and closed-loop control unit. The first electrohydraulic control unit comprises a master brake cylinder actuatable by a brake pedal; a first electrically controllable pressure-providing device; and an electrically controllable pressure-modulating device sets wheel-specific brake pressures for the wheel brakes. The electrically controllable pressure-modulating device has at least one electrically actuatable inlet valve for each wheel brake. A first pressure-medium reservoir for supplying the first electrohydraulic control unit with pressure medium is arranged on the first electrohydraulic control unit. The brake system also comprises a second electrohydraulic open-loop and closed-loop control unit, which comprises a second electrically controllable pressure-providing device for actuating at least some of the wheel brakes and electrically actuatable valves. A second pressure-medium reservoir for supplying the second electrohydraulic control unit with pressure medium is provided, the second pressure-medium reservoir being arranged on the second electrohydraulic control unit.