B60T2230/02

LEVERAGING REAR-VIEW SENSORS FOR AUTOMATIC EMERGENCY BRAKING IN AUTONOMOUS MACHINE APPLICATIONS
20220314942 · 2022-10-06 ·

In various examples, activation criteria and/or braking profiles corresponding to automatic emergency braking (AEB) systems and/or collision mitigation warning (CMW) systems may be determined using sensor data representative of an environment to a front, side, and/or rear of a vehicle. For example, activation criteria for triggering an AEB system and/or CMW system may be adjusted by leveraging the availability of additional information with regards to the surrounding environment of a vehicle—such as the presence of a trailing vehicle. In addition, the braking profile for the AEB activation may be adjusted based on information about the presence of and/or location of vehicles to the front, rear, and/or side of the vehicle. By adjusting the activation criteria and/or braking profiles of an AEB system, the potential for collisions with dynamic objects in the environment is reduced and the overall safety of the vehicle and its passengers is increased.

Vehicle control device
11279333 · 2022-03-22 · ·

The vehicle control device includes a speed calculation unit, a speed estimation unit, a motion feedback calculation unit, and a slip estimator. The speed calculation unit calculates a speed in a predetermined direction of a vehicle on the basis of a feature quantity. The speed estimation unit estimates a speed in the predetermined direction on the basis of a speed or acceleration detected by a motion detector. The motion feedback calculation unit performs feedback calculation in which a value obtained, through a proportional gain, from a deviation between a calculation speed calculated by the speed calculation unit and an estimation speed estimated by the speed estimation unit, is added to the feature quantity. The slip estimator compares the calculation speed with the estimation speed, and estimates that the vehicle is in a slip state in the predetermined direction, when the estimation speed exceeds the calculation speed.

System for pre-preventing instability of vehicle by regenerative braking of rear wheel

A system and a method for preventing instability of a vehicle due to regenerative braking of a rear, may include a first controller configured of distributing braking torque of front and rear wheels for a deceleration level according to a basic regenerative braking distribution ratio on a regenerative brake map on the basis of a driver demand braking amount, and configured of previously reducing a rear-wheel regenerative braking torque of the rear wheel to a first reference value or less than the first reference value in an adjustment section between first and second deceleration; and a second controller connected to the first controller and configured of further reducing the rear-wheel regenerative braking torque to transmit it to the first controller, if a wheel slip value is greater than a reference slip value according to vehicle driving information during braking of the vehicle.

ANTI-LOCK BRAKING SYSTEM AND CONTROL METHOD THEREOF
20220089133 · 2022-03-24 ·

An Anti-lock Braking System and control method are disclosed. The control method is performed after a control module intervenes a vehicle's braking system and comprises: receiving a wheel speed signal of a wheel and a vehicle acceleration signal; computing a tire-slip feedback value according to the wheel speed signal of the wheels and the vehicle acceleration signal; generating a feedback control voltage according to a tire-slip difference between a tire-slip target value and the tire-slip feedback value; generating a tire-slip compensation value by performing a differential compensation to the tire-slip feedback value; obtaining a feedforward voltage according to the tire-slip compensation value via a look-up table approach; generating a braking control voltage by adding the feedback control voltage to the feedforward voltage; and outputting the braking control voltage to a proportioning-valve brake, such that the proportioning-valve brake adjusts a braking pressure according to the braking control voltage.

TRAILER MANAGEMENT SYSTEM

A wireless vehicle trailer monitoring system comprising: a monitoring circuit operatively coupled to a trailer controller, the monitoring circuit configured to detect a fault condition with an associated trailer; a trailer wireless transceiver operatively coupled to the monitoring circuit; and a towing vehicle wireless transceiver operatively coupled to an associated towing vehicle, wherein the trailer wireless transceiver is configured to communication wirelessly with the towing vehicle wireless transceiver

Controller of motorcycle brake system, motorcycle brake system, and control method of motorcycle brake system
11097701 · 2021-08-24 · ·

A controller and a control method of a motorcycle brake system including a brake operator, a wheel braking assembly, and a controller. The controller is configured to perform a lean angle obtainment step during turning, and perform a positive gradient setting step. The positive gradient corresponds to the lean angle obtained. The controller is also configured to initiate a braking force suppression operation in states where the motorcycle makes a turn and increases input to the brake operator. This operation is executed to increase braking force generated by the wheel braking assembly in a smaller positive gradient of hydraulic pressure in a wheel cylinder than a positive gradient of hydraulic pressure in a master cylinder when the braking force on the wheel depends only on the input to the brake operator. The braking force suppression operation is initiated in the positive gradient when an initiation reference is satisfied.

Vehicle control system

A control device includes an additional deceleration calculation unit that calculates an additional deceleration (G×add) to be applied to the vehicle based on the steering angle, a target control amount calculation unit that calculates the control amount for the vehicle behavior changing device based on the additional deceleration, a rough road level calculation unit that calculates a rough road level of a road based on a wheel speed, and a control amount correction unit that corrects the control amount based on the rough road level, the rough road level calculation unit being configured to correct the wheel speed so as to remove a change thereof caused by the cornering maneuver of the vehicle, and to calculate the rough road level by using the corrected wheel speed.

LEVERAGING REAR-VIEW SENSORS FOR AUTOMATIC EMERGENCY BRAKING IN AUTONOMOUS MACHINE APPLICATIONS
20210300306 · 2021-09-30 ·

In various examples, activation criteria and/or braking profiles corresponding to automatic emergency braking (AEB) systems and/or collision mitigation warning (CMW) systems may be determined using sensor data representative of an environment to a front, side, and/or rear of a vehicle. For example, activation criteria for triggering an AEB system and/or CMW system may be adjusted by leveraging the availability of additional information with regards to the surrounding environment of a vehicle—such as the presence of a trailing vehicle. In addition, the braking profile for the AEB activation may be adjusted based on information about the presence of and/or location of vehicles to the front, rear, and/or side of the vehicle. By adjusting the activation criteria and/or braking profiles of an AEB system, the potential for collisions with dynamic objects in the environment is reduced and the overall safety of the vehicle and its passengers is increased.

Cold temperature brake warning system
20230398877 · 2023-12-14 ·

Complete or predominant use of regenerative braking in electric motorcycles rather than hydraulic braking may lead to brake discs and pads that are below an optimum operating temperature. To reduce the risk of accident, an indicator warns motorcycle riders that the brakes are below optimum operating temperature. With this knowledge, riders are prepared to apply extra braking force when slowing down, particularly in an emergency situation. Relative application of the regenerative brake and hydraulic brakes may be controlled to raise the temperature of the brakes so that they are primed.

SAFETY DEVICE OF WORKING VEHICLE
20210261102 · 2021-08-26 · ·

The safety device comprises a vehicle body inclination angle detector to detect an inclination angle of the vehicle body. In a vehicle body attitude in which the inclination angle of the vehicle body detected by the vehicle body inclination angle detector is less than a predetermined inclination angle, while any travel operation by the travel operation device is not performed, when a steering operation by the steering operation device is performed, the travel controller performs control to release braking the front wheels and the rear wheels by the brake device and to make the steering device turn the front wheels and the rear wheels in accordance with the steering operation.