A hybrid electric vehicle (HEV) and methods for operation having a powertrain that includes an engine, an electric machine and storage battery, and a transmission coupled via a drive shaft to wheels having regenerative-friction brakes. The HEV and transmission incorporate regenerative and adaptive braking and a capability to detect nearby obstacles and other vehicles. Such controllers monitor and report the nearby-vehicle distance and a brake pedal tip-lift time and position. In response, the controller(s) cause the electric machine to generate electric power with negative torque, which decelerates the transmission and wheels at a constant or variable rate, adjusted so the nearby-vehicle distance during deceleration equals or exceeds a predetermined, lead-lag distance to nearby vehicles or obstacles. An adaptive cruise signal may also be generated that may indicate driver vehicle preferred settings and profiles, and constant, adjustable, learned, and driver selectable deceleration profiles, which are utilized to control deceleration during braking.

A system for controlling vehicles in a platoon includes a lead vehicle controller on a lead vehicle in the platoon and a following vehicle controller on a following vehicle in the platoon. The lead vehicle controller is adapted to determine a braking distance, based on an initial speed of the lead vehicle and a percent of full service brake application of the lead vehicle, and transmit a braking distance signal indicating the braking distance. The following vehicle controller is adapted to identify the braking distance upon receiving the braking distance signal, determine a percent of full service brake application of the following vehicle based on an initial speed of the following vehicle and the braking distance, and transmit a signal to a following vehicle service brake to apply the following vehicle service brake at the determined percent of full service brake application.

Systems and methods for slowing (and stopping) a subject vehicle in response to detection of an emergency vehicle with activated emergency lights, or a school bus with activated stop lights.

A method of operating an automatic speed control system of a vehicle in accordance with a set-speed. The method comprises receiving electrical signal(s) representative of a vehicle occupant-initiated brake command to slow the vehicle to a stop, and in response, suspending automatic speed control in accordance with said set-speed and commanding the application of a retarding torque to one or more wheels of the vehicle to bring the vehicle to a stop, while maintaining the speed control system in an active state. The method further comprises receiving electrical signal(s) representative of a vehicle occupant-initiated brake release command, and in response, and while maintaining the speed control system in an active state, automatically commanding the generation of drive torque sufficient to propel the vehicle in an intended direction and automatically controlling the speed of the vehicle in accordance with said set-speed.

An electronic braking system including a prime mover speed sensor structured to sense a prime mover speed, a vehicle speed sensor structured to sense a vehicle speed, one or more processing circuits comprising one or more memory devices coupled to one or more processors, the one or more memory devices configured to store instructions thereon that, when executed by the one or more processors, cause the one or more processors to determine an overspeed condition based on the prime mover speed and the vehicle speed, generate a tuned overspeed value based on the overspeed condition, and generate a braking command based on the tuned overspeed value.

Provided is a brake control apparatus and a brake system capable of improving reliability of a performance of holding a hydraulic pressure in a wheel cylinder. A brake control apparatus includes a first valve provided in a first oil passage connecting a hydraulic source configured to supply brake fluid to a wheel cylinder and the wheel cylinder to each other, a return flow oil passage connected to the first oil passage between the hydraulic source and the first valve and configured to return the brake fluid supplied from the hydraulic source to a low-pressure portion, a pressure adjustment valve provided in the return flow oil passage and configured to adjust a brake hydraulic pressure in the first oil passage, and a hydraulic holding portion configured to hold a hydraulic pressure in the wheel cylinder set by a brake hydraulic pressure supplied from the hydraulic source to the wheel cylinder by activating the pressure adjustment valve and the first valve in respective valve-closing directions.

A control system for use in an own motor vehicle is adapted and determined, based on surroundings data obtained by at least one surroundings sensor arranged at the own motor vehicle, to detect motor vehicles in the front and in the rear of the own motor vehicle and preferably to detect objects in front. The at least one surroundings sensor is adapted to provide, to an electronic control of the control system, the surroundings data representing an area in front of, next to and/or behind the own motor vehicle. The control system is at least adapted and determined to detect a first other motor vehicle participating in traffic in front of the own motor vehicle by means of the at least one surroundings sensor, to detect a second other motor vehicle participating in traffic in the rear of the own motor vehicle by means of the at least one surroundings sensor, to determine movements of the first and/or second other motor vehicles relatively (i) to a lane, on which the first and/or second motor vehicles or the own motor vehicle are, or (ii) relatively to the own motor vehicle, to determine a current driving situation of the own motor vehicle with respect to the current driving situation of the first and second other motor vehicles based on the movements of the first and/or second other motor vehicles and movements of the own motor vehicle, based on the current driving situation of the own motor vehicle with respect to the current driving situation of the first and second other motor vehicles, to repeatedly determine a measure of a brake requirement in the form of (i) a necessity measure, (ii) a time until the beginning of a deceleration and (iii) a deceleration measure for the own vehicle, and, provided that the necessity measure exceeds a predetermined threshold, trigger a deceleration of the own vehicle at a point in time which lies before the determined time until the beginning of a deceleration, wherein the triggered deceleration is less than the determined deceleration measure for the own vehicle.

A method for controlling a brake of an electric vehicle provided with a smart cruise control system may include detecting, by a driving information detector, a brake demand of a driver when braking control due to a smart cruise controller is performed, stopping, by a vehicle controller, the braking control due to the smart cruise controller and maintaining a braking amount caused by the smart cruise controller when the brake demand of the driver is detected, determining, by the vehicle controller, a demand braking amount according to the brake demand of the driver, and performing, by the vehicle controller, braking control by using the maintained braking amount caused by the smart cruise controller and the demand braking amount.

A brake system includes a reservoir, a master cylinder module, a brake pedal, a push rod, a first pressure control unit, a second pressure control unit, a first electronic control unit (ECU), a second ECU, and a redundant ECU. The first ECU is configured to control a brake actuator in the first pressure control unit, the second ECU is configured to control a brake actuator in the second pressure control unit, and the redundant ECU is configured to control at least one brake actuator in the first pressure control unit and/or at least one brake actuator in the second pressure control unit.

The present disclosure relates to a start control device and method for a vehicle. The start control device for a vehicle includes: when the vehicle stops, a danger zone determining unit configured to determine a danger zone based on information about surroundings of the vehicle; a time limit setting unit configured to set a time limit for automatic start of the vehicle based on whether the vehicle is in the danger zone; and a driving control unit configured to control a start of the vehicle based on a distance between the vehicle and a preceding vehicle, where the driving control unit is configured to control the start of the vehicle based on the time limit for automatic start when the preceding vehicle starts after the vehicle stops.