B60T2220/04

VEHICLE AND METHOD OF CONTROLLLING THE SAME

A vehicle may include a hydraulic braking device configured to hydraulically brake at least one of front and rear wheels of the vehicle, a drive motor configured to provide driving force to the at least one of the front wheels and the rear wheels, an accelerator pedal sensor detecting an operation of an accelerator pedal, and a controller electrically connected to the accelerator pedal sensor, wherein the controller is configured to generate a hydraulic braking torque through a cooperative control with the hydraulic braking device depending on an amount of regenerative braking torque while the vehicle coasts.

BRAKE SYSTEM WITH FAULT-TOLERANT FEATURES
20240190406 · 2024-06-13 ·

A brake system includes a reservoir and a motor-driven master cylinder operable during a backup braking mode by actuation of an electric motor of the master cylinder to generate brake actuating pressure at first and second MC outputs. A power transmission unit provides pressurized hydraulic fluid to a PTU output for actuating first and second pairs of wheel brakes in a normal non-failure braking mode. The power transmission unit includes a side-mounted electric PTU motor configured to selectively pressurize the hydraulic fluid by transmitting rotary motion to a ball nut assembly of the power transmission unit via a force translator mechanically interposed between the electric PTU motor and the ball nut assembly. First and second two-position three-way valves each selectively control hydraulic fluid flow from a chosen one of the master cylinder and the power transmission unit to a corresponding pair of wheel brakes.

Apparatus and method for selectively actuating wheel brakes of a hydraulic brake system
12024139 · 2024-07-02 · ·

A brake system for selectively actuating at least one wheel brake includes a reservoir and a power transmission unit for selectively providing pressurized hydraulic fluid for actuating at least a selected one of the wheel brakes during a braking event. A first electronic control unit at least partially controls at least one of the power transmission unit and a selected one of the pair of rear brake motors. A second electronic control unit at least partially controls at least one of the power transmission unit and an other one of the pair of rear brake motors. The first electronic control unit controls at least one SAP valve, an isolation valve, and a dump valve for a selected two of the wheel brakes, and the second electronic control unit controls at least one SAP valve, an isolation valve, and a dump valve for an other two of the wheel brakes.

Method and apparatus for vehicle braking
12024150 · 2024-07-02 · ·

An apparatus for braking a vehicle includes wheel brakes configured to generate a braking force on each of wheels, a first actuator for supplying a braking force to the wheel brakes by using a first motor and a first master cylinder, a second actuator for supplying a braking force to the wheel brakes by using a second motor and a second master cylinder, a first electronic control unit (ECU) for controlling the first actuator and determining normal or faulty operation of the first and second actuators, and a second electronic control unit (ECU) for controlling the second actuator and determining the normal or faulty operation of the first and second actuators. When the first ECU and the second ECU are determined to be normal, the first ECU controls to brake some of the wheel brakes, and the second ECU controls to brake a remainder of the wheel brakes.

Brake pedal module

A brake pedal module for a brake-by-wire brake system of a vehicle is disclosed, having a carrier component for securing the brake pedal module on the vehicle, a brake pedal pivotably mounted on the carrier component, and a damping unit for producing a resistance during actuation of the brake pedal. The damping unit has an insert, which comprises at least one elastic element. A receptacle for the insert is formed on the carrier component, which receptacle forms a housing of the damping unit and into which the insert is inserted.

Methods and systems for automated brake feel optimization for trailering

Methods and systems are provided for a vehicle towing a trailer. In an embodiments, a method includes: storing, in a data storage device, target deceleration values associated with the vehicle not towing the trailer; when the vehicle towing the trailer is determined to be braking, determining, by a processor, that a target deceleration value of the target deceleration values is not met, adjusting a brake sensitivity value associated with trailer braking based on the target deceleration value; and controlling deceleration of the towing vehicle based on the brake sensitivity value.

ELECTRONIC BRAKE PEDAL APPARATUS

An electronic brake pedal apparatus may perform a function of a stop lamp switch and a function of a stroke sensor in the related art by use of electronic Hall sensors and a Hall switch and diagnose failure by use of the two Hall sensors and the Hall switch, which makes it possible to simplify a configuration, reduce an external size and costs, and improve durability, reliability, and marketability by use of a contactless sensor.

VEHICLE BRAKING FORCE CONTROL DEVICE

A behavior stabilizer of a vehicle braking force control device includes a plurality of first valves configured to control movement of a hydraulic fluid to respective friction brakes, second valves configured to control the movement of the hydraulic fluid to reservoirs, and a drive motor configured to drive pumps that pump the hydraulic fluid from the reservoirs into a path leading to a hydraulic pressure generator. When a vehicle is in a state of turning at a specific vehicle speed or lower, a controller executes a turning control to control operation of an electric actuator to cause the hydraulic pressure generator to generate hydraulic pressure, and to control open/closed states of the first valves and the second valves to apply a braking force to a plurality of wheels. The controller keeps the driving of the drive motor in a stopped state during the turning control.

BRAKE CONTROL DEVICE FOR A VEHICLE AND METHOD FOR OPERATING A BRAKE CONTROL DEVICE
20240217501 · 2024-07-04 ·

A brake control device for a vehicle. The brake control device includes a control device, which can be connected to a brake booster device, to an electric machine of the vehicle, and to a driving stability system; a pedal sensor device, which is connected to the control device, wherein the control device is configured to infer, from the pressing of the brake pedal and/or the gas pedal, a braking request from a driver, to identify an operational failure or an operational fault of the brake booster device, and, if an operational failure or an operational fault of the brake booster device is identified after and/or upon a braking request, to control a braking action by means of the driving stability system.

PREDICTION DEVICE AND PREDICTION METHOD FOR AT LEAST ONE BRAKE SYSTEM COMPONENT OF A BRAKE SYSTEM OF AN EGO VEHICLE
20240217499 · 2024-07-04 ·

A prediction device for at least one brake system component of a brake system of a vehicle. The prediction device is configured to enter provided value pairs, which respectively have values ascertained during several driver-induced and/or autonomous braking processes of the vehicle and respectively comprise an ascertained input variable and a simultaneously ascertained output variable, into a coordinate system, divided into several state sectors, with the first axis indicating the input variable and the second axis indicating the output variable; to ascertain a frequency distribution of the value pairs to the various state sectors; and, after at least two ascertainments of frequency distributions for value pairs ascertained in different time intervals, to estimate whether an occurrence of at least one functional impairment on at least one brake system component of the brake system is probable during a specified prediction time interval.