B60T2240/00

VEHICLE STOP DETERMINATION DEVICE
20230331204 · 2023-10-19 · ·

A vehicle stop determination device includes: a vehicle wheel speed sensor that outputs a signal according to a rotational speed of vehicle wheels; an acquisition unit that acquires a wheel speed at a predetermined reference time that a vehicle decelerates, based on an output signal of the vehicle wheel speed sensor; a derivation unit that derives a stopping position where the vehicle stops, based on the wheel speed acquired by the acquisition unit; and a determination unit that executes a stop determination to determine that the vehicle has stopped, when a difference distance between a position of the vehicle after the reference time and the stopping position is a stop determination value or less.

Brake lining wear detection with efficient signal transmission

A method for brake lining wear detection is disclosed. The method comprises detecting a wear state of a brake lining installed in the area of a wheel housing and producing a state signal that indicates the wear state. The method also comprises coupling the state signal into at least one electrical line that leads to an evaluation unit for the state signal. The at least one electrical line also transmits at least one other signal from or to at least one other device installed in the area of the wheel housing.

BRAKING SYSTEM HAVING A REDUNDANT PARKING BRAKE FUNCTION

A braking system for a motor vehicle has a plurality of hydraulic brake units for braking each braking one wheel of the motor vehicle and a first electric parking brake actuator for braking a first wheel and a second electric parking brake actuator for braking a second wheel. A first control device comprises a first hydraulic controller which is designed and set up to drive the plurality of hydraulic brake units. In order to ensure parking brake redundancy, the first control device has a driver for driving the first parking brake actuator. A second control device is also provided, which comprises a driver for driving the first parking brake actuator and a driver for driving the second parking brake actuator.

Vehicle brake pedal travel based on braking force available between braking wheels and ground
11772622 · 2023-10-03 · ·

An aircraft includes a brake lever for receiving a pilot braking input as a lever travel of the brake lever, a braking wheel operatively coupled with the brake lever to brake the aircraft based on the lever travel, a brake actuator operatively coupled with the braking wheel to apply a braking force in response to a braking pressure provided to the brake actuator, and a brake pressure circuit. The brake pressure circuit is configured for: estimating a maximum braking pressure above which the braking wheel will skid with respect to a ground surface; scaling a lever gain of the brake lever to command the maximum braking pressure at a full travel of the brake lever such that a remaining brake lever travel indicates the amount of braking capability remaining for the aircraft; and braking the braking wheel based on the lever gain and the lever travel.

Anti-lock sensor ring, disk brake band and assembly

An anti-lock sensor ring may have a flattened exciting portion having a retention mechanism projecting from a ring radial edge. The retention mechanism may have cantilever spring retention clips elastically deformable to snap on a disc brake band retention seat. The mechanism may also have a cantilever support portion disposed side by side to and spaced apart from the cantilever spring retention clips. Each of the cantilever spring retention clips may have a retention surface and the cantilever support portion with a support surface. When the anti-lock sensor ring is dismounted from a disc brake band, the plane defined by the retention surface and the plane defined by the support surface are facing each other in order to create opposing gripping elements.

Signal-processing device for a vehicle having an ABS unit, vehicle, signal-processing method for a vehicle, computer programme and control unit
11745709 · 2023-09-05 · ·

The invention relates to a signal-processing device (402) for a vehicle having an ABS unit (404) and multiple wheels, each of which is assigned a sensor (S1, S2, S3, S4) for wheel signal generation. The signal-processing device (402) is designed to detect (602) a failure of a wheel signal, to form (604) a substitute signal for the failed wheel signal using the wheel signal of at least one sensor assigned to a wheel that is not affected by the failure, and to supply (606) the substitute signal to the ABS unit (404). The invention also relates to an ABS system (400) having the signal-processing device (402) and an ABS unit (404), a vehicle having the ABS system (400), a signal-processing method for a vehicle having an ABS unit (404), a computer programme having computer code for carrying out the signal-processing method, as well as a control unit containing the computer programme.

Method for operating a brake system, and brake system

A method for operating a brake system of a vehicle. A precontrol value for a brake pressure of the brake system is set by using an admission pressure value representing a admission pressure in the brake system and a processing specification representing a braking dynamics of the vehicle.

Advance driver brake customizing method and system thereof

An advance driver brake customizing method applied to a brake customizing system is provided to identically implement a braking feeling set according to a driver's vehicle regardless of a vehicle type by transplanting driver braking feeling information of a driver's vehicle into a braking feeling matching vehicle. A braking characteristic of a brake of a brake system, which is applied to the braking feeling matching vehicle, is directed to follow the braking characteristic of a brake of the brake system, which is applied to the braking feeling matching vehicle, through driver matching control in conjunction with a wireless network. In particular, even when the same driver changes a vehicle or a driver for the same vehicle is changed, the same braking feeling is maintained.

Regenerative braking and anti-lock braking control system

A vehicle includes an electric machine, friction brakes, a drivetrain, and a controller. The electric machine is configured to recharge a battery during regenerative braking. The friction brakes are configured to apply torque to wheels of the vehicle to slow the vehicle. The controller is programmed to, in response to and during an anti-locking braking event, generate a signal indicative of a total torque demand to brake the vehicle based on a difference between a desired wheel slip ratio and an actual wheel slip ratio, adjust a regenerative braking torque based on a product of the signal and a regenerative braking weighting coefficient, adjust a friction braking torque based on a product of the signal and a friction braking weighting coefficient, and further adjust the regenerative braking torque based on a closed-loop control of an estimated regenerative braking torque feedback.

STABLY BRAKING SYSTEM AND METHOD USING THE SAME
20230140481 · 2023-05-04 ·

A stably braking system and a method using the same control wheels on a single axle of a ground vehicle. Firstly, at least one of a wheel deceleration and an actual slip of each of the wheels is calculated.

Hydraulic control commands are generated when a braking operation is performed in response to a braking indication signal and it is detected that the wheel deceleration or the actual slip is higher. The hydraulic control commands are configured to control a hydraulic braking system to adjust the wheel speed. When the ground vehicle drives in a straight line or turns with a first pose physical quantity, the hydraulic control command with a low priority is replaced by the hydraulic control command with a high priority and the hydraulic braking system is controlled to adjust the wheel speeds based on the identical hydraulic control commands.