B60T8/3215

ADAPTIVE OFF-THROTTLE REGENERATIVE BRAKING
20200055402 · 2020-02-20 ·

Provided herein are systems and methods of automatic off-throttle regenerative braking in electric vehicles. One or more sensors disposed in an electric vehicle can acquire one or more sensor signals indicative of one or more respective driving parameters of the electric vehicle. A data processing system of the electric vehicle can determine, using the one or more sensor signals, one or more current driving conditions of the electric vehicle. The data processing system of the electric vehicle can determine, using the one or more current driving conditions, a future driving state indicative of an imminent future slowdown event. The data processing system of the electric vehicle can cause a regenerative braking system of the electric vehicle to apply regenerative braking, responsive to determining the future driving state.

Arrangement of a Parking Lock in a Vehicular Transmission
20200023818 · 2020-01-23 ·

A parking lock in a vehicle transmission includes a locking mechanism for locking and releasing a parking interlock gear (1) and an actuating unit. The actuating unit is coupled via a coupling mechanism to the locking mechanism in order to actuate the locking mechanism between an interlock position and a release position of the parking interlock gear (1). The parking lock is arranged on an intermediate plate (2) in a housing of the vehicle transmission.

VEHICLE RETARDATION TORQUE CONTROL

A method of open loop control of a retardation torque of a vehicle is presented. The method comprises obtaining of a current vehicle acceleration indicator, obtaining of one or more current vehicle state indicators, and determining of an open loop retardation torque based on the vehicle acceleration indicator and the one or more vehicle state indicators. The method further comprises controlling of a resulting retardation torque based on the open loop retardation torque. The resulting retardation torque is applied by one or more propulsion sources of the vehicle.

Vehicle braking controls and methods

A vehicle includes a powertrain having an electric machine configured to power driven wheels, an accelerator pedal, and friction brakes. A vehicle controller is programmed to, with the vehicle being in a one-pedal driving mode: in response to a braking torque capacity of the powertrain exceeding a target braking torque that is based on a position of the accelerator pedal, command a torque, that is equal to the target braking torque, from the powertrain such that the vehicle is slowed using the powertrain without application of the friction brakes, and, in response to the braking torque capacity of the powertrain being less than the target braking torque, command torques from the powertrain and the friction brakes such that the target braking torque is satisfied and the vehicle is slowed using the powertrain and the friction brakes.

Vehicle speed estimation method and vehicle speed estimation device for four-wheel drive vehicle

A vehicle body speed estimation device and a vehicle body speed estimation method are provided for estimating a vehicle body speed of a four-wheel drive vehicle from a wheel speed of each wheel of the four-wheel drive vehicle. In the vehicle body speed estimation device and a vehicle body speed estimation method, a controller determines whether a deviation of at least two of the wheel speeds among the wheel speeds is within a first prescribed range. The controller switches a method for selecting the wheel speed used for estimating the vehicle body speed between a first method and a second method when a sign of a drive torque that is applied to each of the wheels is reversed and the deviation of at least two of the wheel speeds among the wheel speeds is within the first prescribed range.

BRAKE SYSTEM AND METHOD FOR BRAKING A VEHICLE
20240067146 · 2024-02-29 · ·

A brake system (1) for braking a vehicle is disclosed. The brake system comprises a brake pedal control unit (4a1) configured to receive a brake pedal signal from a brake pedal sensor (21) and to respond with a primary deceleration intent signal onto a network, a brake actuator control unit (4b1) configured to activate a brake actuator (31) in response to a deceleration intent signal received from the network. The brake system (1) further comprises a central vehicle control unit (VCU) (6) that is configured to generate a secondary deceleration intent signal in response to the primary deceleration intent signal based on an overall state of the vehicle and a mode control unit (MCU) (8) to configure the brake system in an operational mode selected from at least a normal operational mode (N) and a degraded operational mode (D). The brake actuator control unit (4b1) is configured to activate the brake actuator (31) in response to a secondary deceleration intent signal in the normal operational mode and to activate the brake actuator (31) in response to the primary deceleration intent signal in the degraded operational mode (D) for applying degraded (emergency) braking to the vehicle.

DYNAMIC RESOURCE ALLOCATION AMONG DIFFERENT OFDM NUMEROLOGY SCHEMES

The present disclosure relates to a resource allocation procedure for allocating time-frequency radio resources by a scheduler in a mobile communication system. A plurality of numerology schemes are defined, each partitioning a plurality of radio resources of the mobile communication system into resource scheduling units in a different manner. A reference resource set is defined per numerology scheme, each being associated to a set of radio resources usable for being allocated according to the respective numerology scheme. The reference resource set of at least one numerology scheme overlaps with the reference resource set of at least another numerology scheme in the frequency and/or time domain. The resource allocation procedure is performed for allocating radio resources to one or more user terminals according to the numerology schemes. The resource allocation procedure is performed for each numerology scheme based on a scheduling time interval defined for the respective numerology scheme.

DRIVE LINE FOR A VEHICLE, VEHICLE COMPRISING THE DRIVE LINE AND HEATING METHOD USING THE DRIVE LINE
20240109425 · 2024-04-04 · ·

A drive line for vehicle includes at least one electric motor having a driving shaft, a multi-ratio gearbox comprising at least an input shaft and an output shaft, a first clutch configured to rotatably couple/decouple the driving shaft with the input shaft, a differential assembly mechanically connected to the output shaft, and a second clutch configured to rotatably couple/decouple a retarder with one of the shafts of the multi-ratio gearbox.

Vehicle and braking method and device therefor
11964591 · 2024-04-23 · ·

A braking method for a vehicle is provided. The method includes the following steps: obtaining a first state information of the vehicle, where the first state information includes a vehicle mass and a deceleration required by braking; calculating a braking torque required by the vehicle according to the first state information, and controlling an output of an electric braking torque according to the braking torque required by the vehicle; obtaining a current vehicle speed of the vehicle and a maximum electric braking exit speed; and; controlling, if the deceleration required by braking of the vehicle changes to zero, the vehicle to unload the electric braking torque when the current vehicle speed is less than the maximum electric braking exit speed. A braking device for a vehicle and a vehicle are further provided.

EMERGENCY BRAKING CONTROL SYSTEM USING LIMITED SLIP DIFFERENTIAL AND CONTROL METHOD THEREOF
20190315325 · 2019-10-17 · ·

An emergency braking control system of a vehicle using a limited slip differential, may include a brake circuit formed by splitting hydraulic lines for left and right side drive wheels; a limited slip differential disposed to restrict the differential of the drive wheels; and a controller for determining whether or not the braking circuit failure occurs in a braking situation, and performing the engagement control of the limited slip differential, wherein the controller is configured to perform the engagement control of the limited slip differential to distribute a braking force to drive wheel connected to a hydraulic line where the braking circuit failure occurs when the brake circuit failure occurs in the braking situation.