B60T7/042

APPARATUS FOR CONTROLLING ELECTRO MECHANICAL BRAKE SYSTEM AND METHOD THEREOF
20230227012 · 2023-07-20 · ·

Disclosed are an apparatus for controlling an electromechanical brake system and a method thereof. An apparatus for controlling an electromechanical brake system of the present invention includes: a brake pedal detector unit configured to detect a stepping amount of a driver; a braking module configured to brake the vehicle; a memory configured to store a slope variable braking diagram set according to a characteristic value of the vehicle; and a processor configured to calculate a braking request value based on the stepping amount input from the brake pedal detector unit, and output a control command determined by a brake distribution ratio between front and rear wheels according to the braking request value to the braking module based on the slope variable braking diagram stored in the memory.

Device for a brake pedal force-travel emulator with force and displacement sensor and corresponding process

Device for a brake travel emulator with at least one integrated sensor, comprising a housing (5), a force sensor (18) both being connected to a middle part of a connection means (4). The force sensor (18) being arranged at a static unit (2), the housing (5) further comprising at least one conical compression spring (6), an axially sliding component (7), a connecting rod (9) comprising a varying diameter geometry, an oscillating means (48) capable of creating an electric field, and a displacement sensor (46), the force sensor (18) further comprising, a micro-controller (50), means for receiving applied force (41) and at least four coils (30, 31, 32, 33).

Piston-cylinder units and hydraulic devices with diagnosis or monitoring function of the control and regulating device
11702052 · 2023-07-18 · ·

A piston-cylinder unit includes a piston delimiting at least one working chamber, in which a first seal for sealing at least one first working chamber is arranged either between the piston and cylinder or between a plunger connected to the piston and the cylinder. A second seal is arranged between the first seal and the first working chamber, and the piston-cylinder unit further includes a first channel arranged in the wall of the cylinder or in the piston, which joins the first seal and the second seal in the inner chamber of the cylinder. The first channel and/or a hydraulic line connected thereto may have a throttle device and/or a valve device. An electronic control and regulating device may have a diagnosis or monitoring function for a possible defect or failure of a seal. Multiple hydraulic devices may have such piston-cylinder units and respective control and such regulating devices.

BRAKING SYSTEM FOR VEHICLES WITH COLLAPSIBLE ACTUATION PEDAL AND METHOD OF ACTUATION OF A BRAKING SYSTEM IN THE EVENT OF AN IMPACT
20230014554 · 2023-01-19 ·

A braking system for vehicles with collapsible actuation pedal may have an operating pedal operatively connected to a hydraulic pump having a delivery circuit fluidically connected to an accumulator device. The delivery circuit may have a hydraulic branch equipped with at least one normally closed control valve. The control valve may be connected to a control actuator which commands its opening when an impact or accident is detected by an appropriate detector or the control valve may be calibrated to open automatically when a limit pressure and/or flow rate value is reached in the hydraulic branch following the lowering of the actuation pedal.

VALVE ARRANGEMENT

A valve arrangement is inserted between a master brake cylinder and a reservoir in a housing of an electrohydraulic motor vehicle brake system which can be activated both by a vehicle driver and independently of the vehicle driver. The valve arrangement can be acted on by a volume flow which can be conveyed by a linear actuator in the direction of a pedal travel simulator, the working chamber of the pedal travel simulator being connected to the master brake cylinder, wherein, for the purpose of simplified construction and actuation, the valve arrangement has a hydraulically actuable non-return valve and a fixed diaphragm arranged parallel to the non-return valve. The non-return valve is arranged together with the fixed diaphragm in a valve carrier which is fastened to a closure plug which closes the housing of the motor vehicle brake system.

BRAKING SYSTEM AND VEHICLE HAVING THE BRAKING SYSTEM

A braking system for a vehicle, having a brake pedal, a position sensor unit for determining position data regarding an actuation distance and/or a pivot angle of the brake pedal of the vehicle, a force sensor unit for determining force data regarding an operating force with which the brake pedal is operated, a control unit, and an additional control unit. The position sensor unit has a signal connection to the control unit and to the additional control unit for transmitting the position data to the control unit as well as to the additional control unit. The force sensor unit has a signal connection to the control unit and to the additional control unit for transmitting the force data to the control unit as well as to the additional control unit.

One-pedal control method and system for autonomous vehicle
11702046 · 2023-07-18 · ·

A one-pedal control method and system for an autonomous vehicle, are capable of accelerating or decelerating a vehicle by use of a foldable brake pedal system when a foldable accelerator pedal system is broken down when a driver manually drives the vehicle or the mode is switched from an autonomous driving mode to a manual driving mode, and capable of implementing a fail-safe function by use of an integrated safety function of software.

VEHICLE OPERATION PEDAL DEVICE
20230221749 · 2023-07-13 ·

To provide a vehicle operating pedal apparatus configured in such a manner that a magnet mounted on an operating pedal to detect the angle of rotation of the operating pedal resists being detached from the operating pedal. A vehicle operating pedal apparatus 10A includes: an operating pedal 12A pivotably supported by a support member; a magnet 58A used to detect the angle of rotation of the operating pedal 12A; a magnet holder 54A housing the magnet 58A in an engaged state; a first snap-fit portion 74A and a first mounting hole 78A configured to fix the magnet holder 54A to the operating pedal 12A with a pressing force in a Y direction; and a second snap-fit portion 76A and a second mounting hole 80A configured to fix the magnet holder 54A to the operating pedal 12A with a pressing force in a Z direction different from the Y direction.

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.