A brake device includes: a brake pedal including a pedal and a lever that rotates about a rotation axis when the pedal is operated; a housing that rotatably supports the lever; a reaction force generator that generates a reaction force to the lever in accordance with a stroke amount of the brake pedal by receiving a force from the lever when the brake pedal is operated; a deformation member including a deformation portion that is deformed by a force received from the lever when the brake pedal is operated in a state where the reaction force generated by the reaction force generator is generated; and a stroke sensor that outputs a signal corresponding to the stroke amount and outputs a value indicating that operation of the brake pedal is abnormal and instructing execution of control for stopping a vehicle when the deformation portion is deformed.

Disclosed a vehicle brake system in which the structure required when transmitting a wake-up signal in response to a pedal input can be further simplified, the vehicle brake system comprising: a pedal travel sensor (PTS) which senses whether pressure is being applied to the pedal and the amount of pressure being applied; and a wake recognition circuit which is connected to the PTS such that electricity can flow directly in both directions, and which receives a signal from the PTS and wakes up an electronic control unit (ETU), wherein the PTS delivers the output signal to the wake recognition circuit if the output signal is at least a preset value.

A pedal simulator is disclosed. The pedal simulator, which is a pedal simulator providing a pedal effort to a pedal of a vehicle, may include: a housing; a piston of which at least a portion of a front is disposed in the housing and which is connected to the pedal to move forward or rearward according to the behavior of the pedal; a displacement member connected to the piston, disposed in the housing, and configured to be displaced together with the piston; and a sensor disposed to detect the displacement of the displacement member.

An integrated electronic brake system includes a main control section configured in a first area to receive one or more of a value from a pedal sensor, a value from a cylinder pressure sensor, a value from a wheel speed sensor, or an EPB signal to perform EPB control and drive a main braking valve and a braking motor for the main braking of a vehicle, and to drive an additional braking valve for the additional braking, a sub-control section configured in a second area to receive one or more of the value from the pedal sensor, the value from the wheel speed sensor, or the EPB signal to perform the EPB control and drive the main braking valve and the braking motor through a bypass circuit, and a connection bus connecting the first and second areas mounted in one box to transfer signals between the main and sub-control sections.

Disclosed herein is a parking assistance system including an electronic parking brake associated with at least one wheel of a vehicle, a parking brake drive circuit configured to control the electronic parking brake, and a processor configured to start braking control for maintaining a braking force applied by a main brake based on input information of a transmission gear and information of whether the vehicle is braking and stopping, wherein a duration of the braking control for maintaining the braking force applied by the main brake is shorter than or equal to a preset first time, and control the braking force applied by the main brake to be released based on whether the electronic parking brake is engaged or whether a target transmission gear is changed, and it is possible to minimize an impact caused by transmission by maintaining the braking force applied by the main brake for a predetermined time when performing parking gear transmission.

A vehicle brake system includes: a plurality of wheel cylinders, a main pressure building module, a redundant pressure building module and a brake master cylinder assembly; the main pressure building module is separately connected to the plurality of wheel cylinders and is used for conveying a brake fluid to the plurality of wheel cylinders; the redundant pressure building module is connected to at least one wheel cylinder and is used for conveying the brake fluid to the at least one wheel cylinder; and the brake master cylinder assembly is separately connected to the plurality of wheel cylinders and is used for conveying the brake fluid to the plurality of wheel cylinders. Further disclosed is a vehicle.

A foot brake module of an electropneumatic brake system of a motor vehicle has at least two pneumatic brake circuits. The foot brake module is operated by a brake pedal and has a pneumatic section with a pneumatic brake control valve and an electrical section with an electrical switch and at least one electronic travel sensor. The electrical switch is activated in a contactless manner. The foot brake module may have two travel sensors that each have a separate power supply and are connected to different electronic control devices.

A braking system for a vehicle is disclosed, the braking system configured for selectively applying pressure to and relieving pressure from at least two pressure connections for brake actuators. The braking system comprises an electro-fluidic braking module with an electrically-actuatable pressure generating unit, a master cylinder module comprising a fluidic brake master cylinderactuatable by a brake pedal, wherein the electro-fluidic braking module and the master cylinder module are coupled to the pressure connections via at least one selector valve. The braking system also has a control unit which is designed to activate the electro-fluidic braking module and the at least one selector valve for applying pressure to the pressure connections, and to activate the electro-fluidic braking module to increase a fluid pressure in the master cylinder module while the at least one selector valve is in the first switching position. A method for operating a braking system is also provided.

A brake controller determines if an amount of regenerative braking needed to achieve a requested deceleration will exceed a driveline capability of a tractor. If it will, the brake controller redistributes some of the requested deceleration to a braking system of a trailer. That way, the requested deceleration can be achieved by the combination of regenerative braking of the tractor and the braking system of the trailer. Other braking mechanism(s) of the tractor can also be used, if needed.

A sensor structure for a brake pedal is disclosed. The sensor structure includes a lever member connected to a brake pedal and configured to rotate around a rotation axis, a magnet member positioned on the rotation axis and configured to rotate around the rotation axis, a coil member arranged to be wound around the magnet member, a magnet receiving member having a magnet receiving groove for the magnet member that relatively rotates with respect to the coil member, a magnet-supporting housing member having a magnet receiving member through-hole that supports the magnet receiving member, a sensing element having a sensor that detects the rotation of the magnet member, and a sensor housing member having a sensor housing body for the sensing element, and a sensor housing body coupling part positioned on one outer side of the sensor housing body coupled to the magnet-supporting housing member.