Patent classifications
B60T2201/03
Method and apparatus for electric hydraulic brake
According to at least one aspect, the present disclosure provides a method of controlling an electro-hydraulic brake including an electronic brake-force distribution (EBD) control function, the method comprising: an emergency braking determination operation of determining whether emergency braking is required for a vehicle; a motor control operation of controlling a current flowing in a motor connected to a main master cylinder to increase hydraulic pressure supplied to wheel brakes when it is determined that the emergency braking is required; a rear wheel inlet valve closing operation of closing an inlet valve connected to a rear wheel brake for a predetermined time so that a pressure of the rear wheel brake is not increased earlier than a pressure of a front wheel brake; a closed time period calculation operation of calculating a time during which the inlet valve is maintained in a closed state; and a rear wheel inlet valve opening operation of determining whether a time during which the inlet valve is closed exceeds a closed time period (t), maintaining the inlet valve in the closed state until the time reaches the closed time period (t), and opening the inlet valve when the time exceeds the closed time period (t).
System and method for motor brake boost function failure
Systems and methods for a braking a vehicle. In one example, the braking system includes a friction braking system, a regenerative braking system, and an electronic processor. The electronic processor is communicatively coupled to the friction braking system and the regenerative braking system. The electronic processor is configured to receive a driver brake request and determine a brake failure state. The brake failure state indicates a brake failure. In response to determining the brake failure state, the electronic processor applies a braking force based on the driver brake request. The braking force includes a frictional braking force generated by the friction braking system and a regenerative braking force generated by the regenerative braking system.
SYSTEMS AND METHODS FOR RAPIDLY DECELERATING A VEHICLE
A system for decelerating a vehicle includes a powered driver and an anchor supported by the powered driver. The powered driver configured to be movably coupled to a chassis of the vehicle. The powered driver is also configured to propel the anchor from the powered driver into a road surface to secure the vehicle to the road surface for decelerating the vehicle.
DRIVER ASSISTANCE SYSTEM FOR A TRANSPORTATION VEHICLE, TRANSPORTATION VEHICLE, AND METHOD FOR OPERATING A DRIVER ASSISTANCE SYSTEM OR TRANSPORTATION VEHICLE
A driving assistance system for a transportation vehicle, a corresponding transportation vehicle, and a corresponding operating method. The driving assistance system for supporting the longitudinal control of the transportation vehicle identifies an obstacle ahead of the transportation vehicle based on environment data. According to a first functionality, the driving assistance system causes emergency braking to bring the transportation vehicle to a standstill to avoid a collision. According to a second functionality, the driving assistance system causes a longitudinal control intervention that is reduced compared to the emergency braking to slow down the transportation vehicle once the obstacle is detected and before the transportation vehicle has approached the obstacle to such an extent that the collision is only prevented by emergency braking.
METHOD FOR OPERATING A BRAKE SYSTEM OF A MOTOR VEHICLE, BRAKE SYSTEM, MOTOR VEHICLE
A method is provided for operating a motor vehicle brake system that includes an actuatable brake master cylinder, a hydraulic brake booster, and at least one brake circuit that has at least one hydraulically actuatable wheel brake and at least one hydraulic-pressure generator driven by electric motor. The method includes monitoring a state of actuation of the brake master cylinder is monitored, and, upon detecting a maximum state of actuation, activating the hydraulic-pressure generator to increase the hydraulic pressure adjusted by the brake master cylinder in the brake circuit.
IMAGE-BASED VELOCITY CONTROL FOR A TURNING VEHICLE
An autonomous vehicle control system is provided. The control system may include a plurality of cameras to acquire a plurality of images of an area in a vicinity of a vehicle; and at least one processing device configured to: recognize a curve to be navigated based on map data and vehicle position information; determine an initial target velocity for the vehicle based on at least one characteristic of the curve as reflected in the map data; adjust a velocity of the vehicle to the initial target velocity; determine, based on the plurality of images, observed characteristics of the curve; determine an updated target velocity based on the observed characteristics of the curve; and adjust the velocity of the vehicle to the updated target velocity.
METHOD AND DEVICE FOR OPERATING A MOTOR VEHICLE, MOTOR VEHICLE
A motor vehicle includes at least one hydraulically actuatable wheel braking device and at least one electric drive motor. A method for operating the vehicle includes monitoring a driver behavior upon an emergency braking operation, and activating the hydraulic wheel braking device for generating a hydraulic emergency braking torque when an emergency braking operation is detected. When the emergency braking torque is detected, the drive motor is also operated as a generator in order to generate an additional electrical emergency braking torque.
SYSTEMS AND METHODS FOR VEHICLE OFFSET NAVIGATION
A system for a vehicle is provided. The system may include a memory and at least one processor configured to: access a plurality of images of a forward-facing view from the vehicle, the plurality of images corresponding to image data obtained by a camera; determine from the images a first lane marking on a first side of a lane, the lane through which the vehicle can navigate, and a second lane marking on a second side of the lane opposite of the first side; navigate the vehicle autonomously relatively centered between the first and second lane markings; determine from the plurality of images that an object is on the first side or the second side of the lane, and the object beyond the first or second lane marking; and navigate the vehicle autonomously to travel over a driving path that is offset from a center of the lane.
Method for managing braking in a degraded adhesion condition for a vehicle system
A system and method for managing braking in a degraded adhesion condition for a vehicle system including at least one vehicle comprising setting a target deceleration value, applying a non-degraded braking force via a braking system of the vehicle system, detecting a presence of a degraded adhesion condition between the vehicle system and a route along which the vehicle system moves. Responsive to the degraded adhesion condition not being detected, maintaining the application of the non-degraded braking force, or responsive to the degraded adhesion condition being detected, applying a degraded braking force, activating recovery means to control deceleration of the vehicle system, determining a compensation deceleration value, and applying at least one of the braking system or recovery means to control the deceleration of the vehicle system.
Apparatus and method for controlling vehicle to perform occupant assistance according to detection accuracy of autonomous sensor
In an apparatus for controlling a vehicle equipped with an autonomous sensor and a communication unit, an object detector is configured to determine whether a predefined mobile-object condition is met, where the predefined mobile-object condition indicates that a mobile object detected from detection information received from an external device via the communication unit and a mobile object detected from detection information acquired from the autonomous sensor are the same object. An occupant assister is configured to perform occupant assistance for assisting an occupant of the vehicle, and configured to, in response to a detection accuracy condition being met, determine a mode of occupant assistance as a first mode, and in response to neither the detection accuracy condition nor the mobile-object condition being met, determine the mode of occupant assistance as a second mode is different from the first mode.