Patent classifications
B60T2270/10
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
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.
Hydraulic pressure control unit, braking system, and bicycle
A hydraulic pressure control unit disposed at a suitable place of a bicycle is provided. A braking system including such a hydraulic pressure control unit is also provided. A bicycle including such a braking system is also provided. A hydraulic pressure control unit (110) of a braking system (100) mounted on a bicycle (200) and capable of executing an antilock braking control includes: an inlet valve (131) and an outlet valve (132) which are opened and closed when the antilock braking control is executed; and a base body (120) to which the inlet valve (131) and the outlet valve (132) are attached, wherein a mount part of the hydraulic pressure control unit (110) for mounting the hydraulic pressure control unit (110) to the bicycle (200) is joined to a front fork (15) of the bicycle (200).
Hydraulic motor vehicle brake system and method for operating same
A method for operating a hydraulic motor vehicle brake system, in the event of a malfunction of the second functional unit includes the steps of generating a hydraulic pressure by means of the first hydraulic pressure generator and controlling at least one of the first valve assembly and the second valve assembly in such a way that a lower hydraulic pressure is established at the rear wheel brakes than at the front wheel brakes. The vehicle brake system includes a first functional unit, a second functional unit, and a control system. The first functional unit includes at least one first hydraulic pressure generator, a first valve assembly, and a second valve assembly, which is arranged between the first hydraulic pressure generator and the rear wheel brakes. The second functional unit includes at least one second, electric hydraulic pressure and a third valve assembly.
Hydraulic block of electronic braking device for vehicle
A hydraulic block of an electronic braking device for a vehicle includes a first input port and a second input port configured to receive a brake fluid from a main braking system, at least one oil chamber connected to one input port of the first input port and the second input port, a first output port and a second output port configured to discharge the brake fluid to a plurality of wheel brake apparatuses, a first inlet line configured to connect the first input port and the first output port to each other, and a second inlet line configured to connect the second input port and the second output port to each other, a first outlet line bifurcated from the first inlet line, a second outlet line bifurcated from the second inlet line, and a valve mounting unit mounted with a plurality of valves.
Emergency maneuvering using lateral sliding
Systems, methods, and other embodiments described herein relate to emergency lateral maneuvers using brake-induced tire sliding. In one embodiment, a method includes determining a vehicle state for a vehicle according to sensor data about a surrounding environment. The method includes computing, using the sensor data and the vehicle state, lateral accelerations that are yaw-free for the vehicle. The method includes, in response to detecting that the vehicle state is associated with an emergency event, selecting a maneuver from the lateral accelerations. The method includes controlling the vehicle according to the maneuver.
BRAKE SYSTEM
A brake system for a machine, where an operator brake valve is controllable by an operator input device and an automatic brake valve is controllable by a control system. A control valve is connected to a brake and the operator and automatic brake valves and operated by the control system between an operator brake configuration fluidly connecting the operator brake valve to the brake and an automatic brake configuration fluidly connecting the automatic brake valve to the brake in an operator braking mode, the control valve provides that the brake is controllable in response to an input to the operator input device. In an automatic braking mode the control valve provides that the brake is controllable in response to a control signal from the control system.
METHOD OF OPERATING A BRAKE SYSTEM FOR A MOTOR VEHICLE AND CORRESPONDING BRAKE SYSTEM
A method of operating a brake system for a motor vehicle, the brake system has a parking brake device and actuating the parking brake device for generating a parking braking force on a wheel of the motor vehicle is only permitted if a speed value falls below a speed threshold value. As such, the speed value is determined from a measured speed value corresponding at least temporarily to a speed of the motor vehicle. If the measured speed value falls below the speed value, the speed value is made to track the measured speed value with a speed gradient limited to a speed gradient limit value.
Stably braking system and method using the same
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.
Vehicle brake control device
A vehicle brake control device including a front wheel speed acquisition section, a rear wheel speed acquisition section, a front wheel acceleration calculation section, a rear wheel acceleration calculation section, a front wheel anti-lock brake control section capable of executing an anti-lock brake control for the front wheel, a vehicle acceleration acquisition section, and a bad road determination section configured to determine whether or not a running road surface is a bad road based on the front wheel acceleration or the rear wheel acceleration. The bad road determination section executes a bad road determination by selectively using one of the front wheel acceleration and the rear wheel acceleration at least based on information on whether or not the anti-lock brake control for the front wheel is executed and the vehicle acceleration.