B60T13/662

Method and device for carrying out a cleaning operation for a braking device of a braking system, and vehicle system

The invention relates to a method for carrying out a cleaning operation for at least one braking device of a braking system in a motor vehicle, said method having the following steps: setting a braking pressure by components of the braking device in accordance with a predefined braking pressure curve, wherein the braking pressure curve, during the cleaning operation, specifies braking pressures that vary over time for the braking device, correcting a setpoint motor torque that is to be provided by a drive motor of the motor vehicle and that is dependent on a braking effect brought about by the set braking pressure, the predefined braking pressure curve being selected such that a longitudinal deceleration of the motor vehicle, which is brought about by the predefined braking pressure curve, can be compensated for by a corresponding additional motor torque.

Electropneumatic axle modulator with directly controlled valves
11702053 · 2023-07-18 · ·

An electropneumatic brake control module (1) has a supply connection (2) for connecting a compressed air supply (3); a first wheel brake connection (4) and a second wheel brake connection (6); a pneumatically controlled inlet-outlet valve unit (8) for controlling a first brake pressure (PB1) at the first wheel brake connection (4) and a second brake pressure (PB2) at the second wheel brake connection (6), which is independent of the first brake pressure (PB1); and an electropneumatic pilot control unit (10) for controlling at least one main control pressure (PH) at a main valve (12) of the inlet-outlet valve unit (10). The main valve (12) of the inlet-outlet valve unit (10) is a pneumatically controllable 3/2-way valve (13) with a main valve control connection (12.4).

Brake control system
11702058 · 2023-07-18 · ·

A brake control system for a motor vehicle comprises a first control device for controlling a first brake actuator, a second control device for controlling a second brake actuator and a third control device for controlling the first and second brake actuator. A switching apparatus is configured to connect the third control device to the first brake actuator and/or to the second brake actuator depending on a fault status of the brake control system.

Electronic Park Brake Interface Module, Park Brake Controller and System

An interface module for a vehicle comprises a circuit board having a light emitting device and at least one stationary light pipe for conveying the light emitted from the light emitting device. The interface module also includes at least one electromechanical switch having a moveable actuation member and a feedback device associated with moveable actuation member. The feedback device aligns with the at least one stationary light pipe when the at least one electromechanical switch is assembled in the interface module, wherein the light emitted from the light emitting device is visible through the feedback device.

Brake system

An automatic brake subsystem (24) includes second accumulators (25F, 25R), a front second line (28) and a rear second line (29), second brake valves (30F, 30R), a first solenoid switching valve (32), first shuttle valves (33F, 33R), and a controller 37. A second solenoid switching valve (34F) and a pressure sensor (35F) are provided in the front second line (28), and a second solenoid switching valve (34R) and a pressure sensor (35R) are provided in the rear second line (29). In a case where it is determined that each of the second brake valve (30F, 30R) is not performing normally based upon a pressure of a hydraulic fluid detected by each of the pressure sensors (35F, 35R) and an operating signal supplied to the first solenoid switching valve (32) or each of the second brake valves (30F, 30R), a controller 37 performs control to switch each of the second solenoid switching valves (34F, 34R).

ELECTRIC PARKING BRAKE DEVICE FOR VEHICLE
20230219550 · 2023-07-13 · ·

An electric parking brake device includes: a “linear motion member configured to be driven by an electric motor, moved in a forward direction so as to apply a parking brake and moved in a backward direction opposite to the forward direction so as to release the parking brake”; and a “controller configured to control the electric motor”. When the parking brake is released, the controller stops energization to the electric motor at a time point when a first predetermined time elapses after a time point when an energization amount to the electric motor becomes constant.

Systems and methods for navigating a vehicle among encroaching vehicles

Systems and methods use cameras to provide autonomous navigation features. In one implementation, a method for navigating a user vehicle may include acquiring, using at least one image capture device, a plurality of images of an area in a vicinity of the user vehicle; determining from the plurality of images a first lane constraint on a first side of the user vehicle and a second lane constraint on a second side of the user vehicle opposite to the first side of the user vehicle; enabling the user vehicle to pass a target vehicle if the target vehicle is determined to be in a lane different from the lane in which the user vehicle is traveling; and causing the user vehicle to abort the pass before completion of the pass, if the target vehicle is determined to be entering the lane in which the user vehicle is traveling.

Device for open-loop and closed-loop control of an electro-pneumatic parking brake circuit, electro-pneumatic handbrake system, vehicle and method for open-loop and closed-loop control of a electro-pneumatic parking brake circuit

A device designed for controlling and regulating an electro-pneumatic parking brake circuit includes a manual controller configured to actuate a parking brake via the electro-pneumatic parking brake circuit, the manual controller having a first circuit arrangement and a second circuit arrangement, the first circuit arrangement being a digital, bidirectional circuit arrangement and the second circuit arrangement being an analog circuit arrangement. The device further includes control electronics electrically connected to the manual controller. The first circuit arrangement is connected to the control electronics via a first connection cable and the second circuit arrangement is connected to the control electronics via a second connection cable. The first connection cable is a digital data transmission channel configured to enable a digital data transmission between the digital circuit arrangement and the control electronics. The second connection cable is an analog data transmission channel configured to enable an analog data transmission.

BRAKING DEVICE FOR VEHICLE
20230008163 · 2023-01-12 · ·

A vehicle braking device includes: an electric cylinder in which a piston driven by an electric motor slides in a cylinder to supply fluid; a hydraulic pressure output unit connected to the electric cylinder by way of a first liquid passage, the hydraulic pressure output unit pressurizing or depressurizing a hydraulic pressure in the first liquid passage and outputting the hydraulic pressure to a supply liquid passage connected to a first wheel cylinder; and a control unit that causes at least one of the electric cylinder and the hydraulic pressure output unit to generate the hydraulic pressure in the first wheel cylinder according to a relative position between the piston and the cylinder.

ELECTRONIC BRAKE DEVICE
20230009546 · 2023-01-12 · ·

The present disclosure provides an electronic hydraulic brake system that can appropriately provide redundancy braking force, that is, an electronic hydraulic brake system that provides a so-called redundancy function, in the situation in which a driver does not drive or gives less attention to driving such as autonomous driving or smart cruise control and a main braking device malfunctions.