A method for controlling a hybrid vehicle, includes: acquiring a traveling parameter of the hybrid vehicle; controlling the engine, the driving motor, and the electric generator according to the traveling parameter, to enable the engine to operate in an economic zone by controlling charging and discharging of the power battery; comparing equivalent fuel consumptions of a series mode, a parallel mode, and an EV mode of the hybrid vehicle, and determining a minimum equivalent fuel consumption among the equivalent fuel consumptions; and selecting one of the series mode, the parallel mode, or the EV mode having the minimum equivalent fuel consumption as a current operation mode of the hybrid vehicle. The hybrid vehicle includes the engine and a driving motor outputting power to a wheel end, an electric generator generating electricity, and the power battery supplying electricity to the driving motor and charged by the electric generator or the driving motor.

A computer-implemented method of determining a torque limit for an operating state of a first vehicle combination is provided. The method includes simulating a plurality of operating states for one or more second vehicle combinations. Each operating state is based on one or more operational parameters related to physical properties of the one or more second vehicle combinations, one or more parameters related to an operating environment of the one or more second vehicle combinations, and one or more parameters related to a driving scenario of the one or more second vehicle combinations. The method includes classifying each of the simulated operating states as safe or unsafe, receiving an unsimulated operating state for the first vehicle combination, and determining a torque limit for the unsimulated operating state based on the simulated operating states.

Disclosed is a hybrid electric vehicle comprising an engine configured to generate power by burning a fuel, first and second motor-generators configured to generate power or assist the engine, and a controller. The controller may be configured to set an operation of a first EV mode using the second motor-generator, a second EV mode using the first and second motor-generators, or a series mode of driving the second motor-generator by using power generation of the engine, compare a speed of the vehicle with a reference speed based on that the engine is in an off state, and may be configured to perform a control so that the vehicle drives in the second EV mode when the speed of the vehicle is less than the reference speed.

A vehicle speed estimating apparatus includes a vehicle information receiver configured to receive travel information of a vehicle including a wheel speed, a motor torque, and a longitudinal acceleration of the vehicle, a wheel slip determiner configured to determine whether wheel slip occurs, a longitudinal acceleration calibrator configured to calibrate the longitudinal acceleration received from the vehicle information receiver, and a vehicle speed estimator configured for estimating, depending on a determination result of the wheel slip determiner, a vehicle speed using the wheel speed or the calibrated longitudinal acceleration.

A method for controlling a hybrid motor vehicle includes a disengageable combustion engine, involving the following steps: the power absorbed by the main electric machine to meet the target torque required at the wheels is determined, the electrical power to be expended by the second electric machine to meet the target torque required at the wheels is determined by subtracting the power absorbed by the main electric machine from the charging capacity of the traction battery, a gross value is determined for the minimum speed of rotation of the combustion engine, as a function of the electrical power to be expended by the second electric machine, and a setpoint for the minimum speed of rotation of the combustion engine is determined from the minimum speed of rotation of the combustion engine as a function of positive and negative gradients.

A vehicle having a transceiver and a processor is disclosed. The transceiver may receive environment condition, road condition, and vehicle information. The processor may be communicatively coupled with the transceiver, and may obtain the environment condition, the road condition, and the vehicle information from the transceiver. The processor may determine that the vehicle may be in an unstable driving state based on the obtained condition. Responsive to determining that the vehicle may be in the unstable driving state, the processor may determine a vehicle instability type based on the environment condition, the road condition, and the vehicle information. The processor may be further configured to generate a first instruction for a first vehicle wheel and a second instruction for a second vehicle wheel based on the vehicle instability type, and cause a vehicle movement based on the first instruction and the second instruction.

A vehicle including a transceiver, a wheel drive motor and a processor is disclosed. The transceiver may be configured to receive road information and weather information, and the wheel drive motor may be configured to control torque of a vehicle wheel. The processor may be configured to receive a trigger signal when the vehicle approaches a curvy road. The processor may be further configured to obtain the road information and the weather information from the transceiver responsive to obtaining the trigger signal. The road information may include radius of curvature of the curvy road. The processor may calculate a vehicle speed based on the obtained road information and the weather information. The processor may further transmit a command signal to the wheel drive motor to vehicle wheel control torque based on the vehicle speed.

Provided herein is an apparatus, system, and method for reducing a power drawn by a winch as it pulls a vehicle. Methods can include: receiving an indication to operate a vehicle in a winch mode; detecting movement of the vehicle caused by a force from a winch of the vehicle; determining of a speed of movement of the vehicle caused by the force from the winch pulling the vehicle; and providing for control of at least one driven wheel of the vehicle to rotate at a speed corresponding to the speed of movement of the vehicle within a predefined degree of similarity. According to some embodiments the speed of movement of the vehicle is determined based at least in part on a speed of rotation of at least one wheel not being driven by the powertrain of the vehicle.

A vehicle control apparatus is provided that includes an engine, a battery, a processor, and a memory. The processor predicts a change in speed of a vehicle according to a route of the vehicle, divides the route into a plurality of sections using the change in speed, obtains power information of the vehicle which will vary based on the change in speed. The processor then, for each of the plurality of sections, determines reference power to maintain driving of the engine while driving the vehicle in each of the plurality of sections, using the power information corresponding to each of the plurality of sections, and controls the vehicle, based on at least one of an electric vehicle (EV) mode determined according to the reference power or a hybrid electric vehicle (HEV) mode determined according to the reference power, or any combination thereof.

An EVC include a coefficient estimation unit, a limit calculation unit, and a target-setting unit. The coefficient estimation unit estimates a maximum friction coefficient of a drive wheel with respect to a front road surface when a mobile body causes the drive wheel to rotate and travels on the road surface. The limit calculation unit calculates a torque upper limit for driving the drive wheel according to the estimated maximum friction coefficient. The target-setting unit sets a target torque to drive the drive wheel so as not to exceed the torque upper limit.