A vehicle stability control system includes a signal collection sensor and a vehicle controller (10). The signal collection sensor is configured to collect a vehicle condition information parameter, and the vehicle controller (10) is configured to calculate a control yaw moment according to the vehicle condition information parameter. The control yaw moment is used to cancel a difference between an estimated yaw moment and an actual yaw moment. The vehicle controller (10) is further configured to determine according to the vehicle condition information parameter whether the vehicle (100) is in a stable region or a non-stable region in the case of tire blow-out, and allocate the control yaw moment to four wheels (101) according to a vehicle stability condition, thus implementing vehicle stability control. A vehicle stability control method and a vehicle (100) with the vehicle stability control system are also disclosed.

A system with a control unit for a utility vehicle includes a data port configured to receive an acceleration request signal indicating a request for an acceleration change of at least one driven axle of the utility vehicle. The control unit further includes a controller configured to produce drive control signals for an electric drive of the driven axle depending on the acceleration request signal, and brake control signals for a friction brake system of the driven axle depending on the acceleration request signal.

A method for recovering energy during braking of a vehicle is provided. The vehicle has at least one rotatable ground engaging member, a generator operatively connected to the at least one rotatable ground engaging member, and at least one energy storage device coupled to the generator. The method has the steps of: determining a speed of the vehicle; determining a desired slip of the at least one rotatable ground engaging member based at least in part on the speed of the vehicle; and applying a braking torque to the at least one rotatable ground engaging member using the generator based at least in part on the desired slip. A regenerative braking system for a vehicle and a vehicle having such a system are also disclosed.

Methods and systems are provided for operating a hybrid vehicle during operating conditions where vehicle braking is requested. In one example, regenerative braking is allocated to vehicle axles responsive to wheel torques of respective vehicle axles in response to an anti-lock braking system being activated. Additionally, friction braking torque is allocated to vehicle axles responsive to the anti-lock braking system being activated.

Disclosed is a method for calculating or estimating the speed of a railway vehicle. The method comprises the steps of generating speed signals indicating the angular speed () of the wheels of said at least one controlled axle; estimating, as a function of such angular speed (), the value of the adhesion () in the contact area of the wheels of such axle and the rails, using an adhesion observer and computing the value of the speed slip () of the wheels of such controlled axle, generating signals representative of the derivative

[00001]$\left(\frac{d.Math..Math.}{d.Math..Math.}\right)$

of said adhesion () as a function of the slip (); generating a driving signal (C(T.sub.j+1)) for torque control devices controlling the torque applied to the wheels applying the driving signal (C(T.sub.j+1)) to said torque control devices and therefore computing the vehicle speed as the linear advance speed of such at least one controlled axle

A system a vehicle having a wheel-driving motor is disclosed. The system includes wheel speed sensors for detecting speed of respective vehicle wheels, and a controller for controlling coast regenerative torque of the vehicle. The controller lowers coast regenerative torque based on wheel speed acquired detected using the wheel speed sensors. The controller is lowers coast regenerative torque based on speed difference among the wheels and based on change of wheel slip ratio.

Provided is an electric-powered vehicle in which a motor can be driven with a more appropriate torque value for a given situation. This electric-powered vehicle is provided with an electric motor that drives a vehicle wheel, and a control unit that controls the electric motor on the basis of a torque instruction including an instructed torque value for driving the electric motor with a prescribed torque, the control unit having a torque value control unit that decides a prescribed coefficient on the basis of the instructed torque value and a correlating value of the actual speed of the electric motor, and that outputs to the electric motor a torque drive instruction including an appropriate torque value obtained by multiplying the instructed torque value by the prescribed coefficient.

The present disclosure discloses a vehicle and a braking feedback control method for the same. The braking feedback control method includes the following steps: detecting a current speed of a vehicle and a depth of a braking pedal of the vehicle; when the current speed of the vehicle is greater than a preset speed, the depth of the braking pedal is greater than 0, and an anti-lock braking system of the vehicle is in a non-working state, controlling the vehicle to enter a braking feedback control mode, where when the vehicle is in the braking feedback control mode, a required braking torque corresponding to the vehicle is obtained according to the depth of the braking pedal, and a braking torque of a first motor generator, a braking torque of a second motor generator, and a braking torque of basic braking performed on the vehicle are distributed according to the required braking torque.

The invention relates to a method for controlling braking of a machine mounted for movement on rails. The machine is provided with mechanical wheel brakes, electric drive motors for rotating the wheels and a control system for braking. The method comprises the steps of: monitoring the movement and operations of the machine to detect whether a stop command shall be activated to stop the machine immediately, switching-on the mechanical wheel brakes to stop the machine if the stop command is activated, and activating the electric drive motors of the machine simultaneously with the switching-on of the mechanical wheel brakes to rotate the wheels and prevent locking and sliding of wheels on the rails if movement of the machine is detected at the moment of the activation of the stop command. The invention relates also to a system and computer program product for controlling braking of a machine mounted for movement on rails.

A motor vehicle control system (210C, 220) for controlling an electric propulsion motor (230) to drive a wheel (290) of the vehicle (200), the control system (210C, 220) being configured to operate in one of a first mode and a second mode in dependence at least in part on an amount of slip experienced by at least one driven wheel (290), in the first mode the control system (210C, 220) being configured to cause the at least one electric propulsion motor (230) to generate a predetermined amount of drive torque, in the second mode the control system (210C, 220) being configured to cause the at least one electric propulsion motor (230) to rotate at a predetermined speed, wherein the control system (210C, 220) is configured to operate in the first mode if the amount of slip experienced by the at least one driven wheel (290) is below a predetermined slip amount and to operate in the second mode if the amount of slip experienced by the at least one driven wheel (290) exceeds the predetermined slip amount.