B60W2520/28

DRIVELINE INPUT TORQUE CONTROL SYSTEM
20170291609 · 2017-10-12 ·

A vehicle having a powertrain control system includes an internal combustion engine configured to generate torque, and a transmission to transfer the torque to at least one driveline component of the vehicle. At least one electronic sensor is configured to output a signal indicative of at least one operating parameter of the vehicle. The powertrain control system further includes a vehicle scenario detection module and an electronic control module. The vehicle scenario detection module determines a current vehicle scenario of the vehicle based on the at least one operating parameter. The electronic control module determines a current vehicle scenario based on the at least one operating parameter, to actively determine an active skid-torque value in real-time based on the current vehicle scenario. The control module further generates a torque limiting control signal that adjusts operation of a powertrain system of the vehicle based on the active skid-torque value.

Method and apparatus for vehicle braking
11667291 · 2023-06-06 · ·

At least one embodiment of the present disclosure provides an apparatus for braking a vehicle, including a plurality of electro-mechanical braking (EMB) systems respectively installed for a plurality of vehicle wheels and configured to generate a braking force to the plurality of wheels, respectively, a driving information detecting unit for measuring driving information of the vehicle, an electronic power steering (EPS) system generating a steering torque in a direction opposite to a braking torque generated in the vehicle, and an electronic control unit (ECU) controlling the electro-mechanical braking systems and the electronic power steering system, wherein the electronic control unit is configured to control, upon determining that one or some of the plurality of electro-mechanical braking systems are malfunctioning, the vehicle by using the electronic power steering system, and the electronic power steering system is configured to generate the steering torque according to the driving information including wheel speeds.

VEHICULAR TORQUE CONTROL DEVICE AND TORQUE CONTROL METHOD
20170326987 · 2017-11-16 ·

There is provided a configuration, including a storage unit that stores a theoretical driving wheel rotating speed based on a correspondence relationship with a predetermined engine speed in each gear stage of a transmission of a vehicle; gear stage detection means for detecting the gear stage when currently travelling; engine speed detection means for detecting an engine speed; driving wheel rotating speed detection means for detecting a driving wheel rotating speed; and torque control means for controlling output torque, in which the output torque is increased so that a current driving wheel rotating speed becomes close to the theoretical driving wheel rotating speed when a relative value of a calculated value which is calculated by using the detected driving wheel rotating speed with respect to a calculated value which is calculated by using the theoretical driving wheel rotating speed is equal to or greater than a first threshold value.

Method and Device for Determining a Rotational Frequency of a Wheel
20220048481 · 2022-02-17 ·

A method for determining a rotational frequency of a wheel, in particular of a motor vehicle, uses a rate of rotation sensor that has a rotary sensor assigned to the wheel and a sensor element assigned to the rotary sensor. The rotary sensor has pulse generators that are arranged in a manner distributed over its circumference and spaced evenly from one another and whose edges are recorded by the sensor element so as to determine the rotational frequency of the rotary sensor. There is provision to use an optimal filter in order to compensate a modulation caused by an eccentricity, and to adapt modulation parameters of the optimal filter through a sequential least-squares method. A time-equidistant frequency signal is subjected to short-term averaging, for example using a PT1 filter, and the modulation is modelled as sinusoidal interference and compensated.

METHOD AND SYSTEM OF ANTI-IDLING CONTROL FOR VEHICLES

A method and system for anti-idling management for a vehicle including an anti-idling system (AIS) is disclosed. Based on inputs from different sources associated with the vehicle, the AIS determines when anti-idling management should be enabled in order to control the engine of the vehicle. In some embodiments, the AIS includes an AIS battery that can be used to power auxiliary vehicle components when the vehicle is stopped via anti-idling control management.

POWER TRANSMISSION DEVICE FOR VEHICLE

A power transmission device of the present invention is a power transmission device for a vehicle, including: a generator configured to be driven by power of an internal combustion engine; a travel motor configured to be driven by electric power generated by the generator and to drive a drive wheels; and the drive wheels configured to be driven by the power of the internal combustion engine or power of the travel motor. The power transmission device includes: a first power transmission path configured to transmit power between the travel motor and the drive wheels; and a first clutch mechanism configured to allow or interrupt power transmission through the first power transmission path.

Method, and apparatus, and system for generating driving behavior guiding information
09776639 · 2017-10-03 · ·

The present invention is applicable to the field of vehicle, and provides a method and apparatus and system for generating vehicle guiding information. The method for generating vehicle guiding information comprises: receiving operating information of a vehicle, position information of a vehicle and road condition information which are sent from a vehicle client-side; generating driving behavior guiding information according to the operating information of the vehicle, the position information of the vehicle and the road condition information; transmitting the driving behavior guiding information to the vehicle client-side designated by the driver of the vehicle. In the present invention, a server can generate the driving behavior guiding information according to the vehicle operating information, the vehicle position information, and the road surface condition information sent from the vehicle client-side; the driving behavior guiding information provides vehicle drivers with instant prompt and help, and can assist the vehicle drivers in making reasonable judgments and amend their personal driving behaviors.

Method For Estimating A Vehicle Side Slip Angle, Computer Program Implementing Said Method, Control Unit Having Said Computer Program Loaded, And Vehicle Comprising Said Control Unit

The present invention relates to a method for estimating the side slip angle (β.sup.stim) of a four-wheeled vehicle, comprising: —detecting signals representing the vehicle longitudinal acceleration (Ax), lateral acceleration (Ay), vertical acceleration (Az), yaw rate (formula I), roll rate (formula II), wheels speeds (V.sub.FL, V.sub.FR, V.sub.RL, V.sub.RR); —pre-treating (1) said signals in order to correct measurement errors and/or noises, so to obtain corrected measurements of at least the longitudinal acceleration (a.sub.x), the lateral acceleration (a.sub.y), the yaw rate (formula I) and the wheels speeds (ν.sub.FL, ν.sub.FR, ν.sub.RL, ν.sub.RR), —determining (2) an estimated vehicle longitudinal speed (V.sub.x.sup.stim) on the basis of at least one of the corrected measurements of the wheel speeds (ν.sub.FL, ν.sub.FR, ν.sub.RL, ν.sub.RR); —determining a yaw acceleration (formula III) from the signal representing the yaw rate (formula I); —solving (25) a time-depending parametrical non-linear filter, such as a Kalman filter or a Luenberger filter, describing the vehicle longitudinal and lateral speeds (formula IV) and longitudinal and lateral accelerations (formula V) as a function of the corrected measurements of the longitudinal acceleration (a.sub.x), of the lateral acceleration (a.sub.y), of the yaw rate (formula I) and the estimated vehicle longitudinal speed (V.sub.x.sup.stim) and of a filter parameter (F) depending from depending from at least one of the vehicle yaw acceleration (formula III), yaw rate (formula I) and lateral acceleration (ay) which adds a negative component to the lateral acceleration (formula VI) determined by the filter itself, said filter parameter (F) being selected such that said negative component reaches a maximum value when it is determined that the vehicle is moving straight on the basis of said at least one of the vehicle yaw acceleration (formula III), yaw rate (formula I) and lateral acceleration (ay); —determining the vehicle estimated side slip angle (β.sup.stim) from said longitudinal and lateral vehicle speeds (formula IV) determined by solving the non-linear filter. The present invention further relates to a computer program implementing said method, a control unit having said computer program loaded, and a vehicle comprising said control unit.

VEHICLE DRIVE ASSIST SYSTEM AND VEHICLE DRIVE ASSIST METHOD
20170249848 · 2017-08-31 ·

An automatic following control execution unit recognizes a preceding vehicle of the own vehicle and performs automatic following control of causing the own vehicle to automatically follow the preceding vehicle. A start-command acquisition unit acquires a start command to initiate the automatic following control. An automatic following control starting unit starts the automatic following control, when the brake is switched from on to off after satisfaction of a first to fifth conditions. The first condition is that the own vehicle is not under the automatic following control. The second condition is that a brake of the own vehicle is in an on state. The third condition is that the own vehicle is at rest. The fourth condition is that the preceding vehicle has been recognized. The fifth condition is that the start command acquisition means has acquired the start command. A target stopping inter-vehicle distance setting unit detects a first inter-vehicle distance between the own vehicle and the preceding vehicle when the first to fifth conditions are satisfied, and sets, as the first inter-vehicle distance, a target inter-vehicle distance for stopping the own vehicle. A start timing setting unit detects a second inter-vehicle distance between the own vehicle and the preceding vehicle at the start of the automatic following control, and sets a start timing for starting the own vehicle on the basis of the second inter-vehicle distance.

VEHICLE CONTROL DEVICE AND VEHICLE CONTROL METHOD
20170247035 · 2017-08-31 ·

A vehicle control device includes: a requested torque acquisition module that acquires a requested torque requested to a motor that drives a wheel; a control subject designation module that designates one of a wheel speed and a motor rotation speed as a control subject on the basis of the requested torque; and a control module that performs feedback control in a manner that the control subject designated by the control subject designation module becomes equal to a target value.