A behavior control apparatus is provided which is configured to calculate a first normative yaw rate of the vehicle based on a vehicle speed, a steering angle and a lateral acceleration of the vehicle, to calculate a second normative yaw rate of the vehicle based on a vehicle speed and a steering angle, to determine, when deflection control is not being performed, that vehicle behavior is unstable when an absolute value of a first yaw rate deviation between the first normative yaw rate and an actual yaw rate of the vehicle is larger than a first reference value, and to determine, when the deflection control is being performed, that vehicle behavior is unstable when an absolute value of a second yaw rate deviation between the second normative yaw rate and an actual yaw rate of the vehicle is larger than a second reference value.

An electrified axle system includes a pair of wheels, a super positioning torque vectoring differential coupled between the wheels, and a controller. The super positioning torque vectoring differential includes a traction motor and a vectoring motor. The controller operates the vectoring motor in speed control mode to reduce a speed difference between the wheels responsive to the difference exceeding a threshold, and operates the vectoring motor in torque control mode responsive to the difference falling within a target range and an accelerator pedal position achieving a value that depends on lateral acceleration associated with the system.

A drive train system includes at least one internal combustion engine, at least one generator driven by the internal combustion engine for generating electrical energy, at least one electrical machine electrically connected to the generator, at least one driven front axle and at least one driven rear axle, an automatic or manual transmission located between the internal combustion engine and the respective axles, and at least one epicyclic gear unit. Each of the at least one drive front axle and at least one drive rear axle includes output means and is driven by the internal combustion engine.

A method for operating a motor vehicle which includes at least one wheel axle having two drive wheels, each drive wheel being drivable with the aid of a wheel-specific drive unit for the purpose of moving the motor vehicle on a roadway. It is provided that the drive units of the wheel axle are controlled as a function of a difference between the longitudinal forces applicable at the drive wheels of the wheel axle to the roadway.

A control device for a vehicle according to the disclosure is provided. The vehicle includes a steering device, a braking and driving force generation device, a steered angle state quantity sensor and a vehicle wheel speed sensor. The control device includes an electronic control unit configured to control an operation of the braking and driving force generation device, to calculate an actual traveling direction which is an actual direction of travel of the vehicle, based on the vehicle wheel speed of each of the right and left steered wheels and the steered angle state quantity, and to cause the actual traveling direction to follow a target traveling direction which is a target direction of travel of the vehicle.

A method for actively controlling the balance characteristics of a vehicle includes the following steps: (a) determining an aerodynamic balance, vehicle balance, or both of a vehicle, wherein the vehicle includes a vehicle body, an aerodynamic element coupled to the vehicle body, a rear axle, a front axle, a pair of wheels coupled to the rear axle, a pair of rear wheels coupled to the rear axle, a pair of front wheels coupled to the front axle, an electronic limited slip differential (eLSD) coupled to the rear axle, and the vehicle balance is based on an aerodynamic downforce on the vehicle; (b) determining that there is surplus downforce capacity available based on the vehicle balance; and (c) controlling, by a controller, the eLSD in response to determining that there is surplus downforce capacity available.

A control unit for a vehicle includes: a vehicle additional yaw moment calculator that calculates a vehicle additional yaw moment to be applied to a vehicle based on a yaw rate of the vehicle; a steering torque instructing module that instructs an assist torque of a steering operation of a steering system; a left-right driving force torque instructing module that instructs a left-right wheel driving torque which applies a moment to the vehicle independently of the steering system; a charging state acquisition module that acquires a state of charge of a battery which stores an electric power serving as a driving source for applying the vehicle additional yaw moment; and an adjuster that adjusts the assist torque and the left-right wheel driving torque based on the state of charge to apply the vehicle additional yaw moment.

A drive force control system to increase a yaw rate greater than the yaw rate achieved by rotating a steering wheel to a maximum angle. A target yaw rate is calculated based on a steering angle of the steering wheel. A first predetermined torque and a second predetermined torque are calculated based on a difference between the target yaw rate and an actual yaw rate. When the steering angle of the steering wheel exceeds a first predetermined angle, a first correction torque to correct the first predetermined torque and a second correction torque to correct the second predetermined torque are calculated in accordance with the steering torque.

A drive system for at least one axle of a motor vehicle can be controlled, wherein the drive system has at least one electrical machine as drive unit, a drive shaft which is driven by the drive unit, a first output shaft and optionally a second output shaft and also a first clutch which connects the drive shaft to the first output shaft and optionally a second clutch which connects the drive shaft to the second output shaft, and furthermore a control unit for controlling the drive unit and the clutches, wherein the first output shaft and the optional second output shaft are arranged on a common axle.

A disclosed vehicle braking system according to an exemplary embodiment of this disclosure includes a vehicle body having a first wheel and a second wheel, and a braking system having a first brake at the first wheel and a second brake at the second wheel. The braking system is configured to apply a brake torque to each of the first and second wheels. A drivetrain couples the first and second wheels and is configured to transfer torque between the first and second wheels. A controller is configured to detect a failure condition resulting in one of the first and second wheels becoming a non-braked wheel and command the drivetrain to transfer brake torque to the non-braked wheel. A method of braking a vehicle is also disclosed.