Method for controlling a deceleration request in a one-pedal-driving mode of a vehicle

1 . A method comprising:

receiving a slip information, wherein the slip information describes a longitudinal slip of a wheel of a vehicle;

comparing the slip information of each wheel to a predefined wheel slip threshold; and

triggering a reduction of a deceleration level of a deceleration request when the slip information of at least one wheel exceeds the predefined wheel slip threshold; and

wherein the method is operable for controlling the deceleration request in a one-pedal-driving mode of the vehicle, and

wherein the deceleration request relates to the deceleration level being a function of a position of a drive pedal, and wherein the deceleration request is based on a driving history.

2 . The method of claim 1 , wherein the slip information is determined by comparing at least one of a speed, an acceleration, and a combination of speed and acceleration of a first component of the vehicle to at least one of a speed and an acceleration, and a combination of speed and acceleration of a second component of the vehicle.

3 . The method of claim 2 , wherein the first component is at least one of a first wheel of the vehicle, a first axle of the vehicle, a first motor of the vehicle and a first part of the vehicle that gives an indication of a rotational speed of at least one of the first wheel, the first axle, and the first motor; and wherein the second component is at least one of a second wheel of the vehicle, a second axle of the vehicle, a second motor of the vehicle and a second part of the vehicle that gives an indication of a rotational speed of at least one of the second wheel, the second axle, and the second motor; and wherein the second component is different from the first component.

4 . The method of claim 1 , wherein the method comprises triggering a reduction of the deceleration level of the deceleration request when the slip information of at least two wheels exceeds the predefined wheel slip threshold.

5 . The method of claim 4 , wherein the at least two wheels are wheels of the same axle.

6 . The method of claim 1 , wherein the method further comprises:

receiving a brake pedal operation information, and

eliminating the reduction of the deceleration level of the deceleration request.

7 . The method of claim 6 , wherein eliminating the reduction of the deceleration level of the deceleration request comprises ramping out the reduction of the deceleration level.

8 . The method of claim 1 , wherein the method comprises triggering a reduction of the deceleration level of the deceleration request when the slip information of all wheels exceeds the predefined wheel slip threshold.

9 . The method of claim 1 , wherein the deceleration request relates to at least one of a regenerative deceleration and a deceleration through friction brakes.

10 . The method of claim 1 , wherein triggering a reduction of the deceleration level of the deceleration request comprises triggering a reduction by a predefined reduction increment.

11 . The method of claim 1 , wherein the method is executed periodically.

12 . The method of claim 1 , wherein the method is executed according to a predefined schedule.

13 . The method of claim 1 , wherein the slip information is obtained from a slip sensor associated with each of a vehicle's wheels.

14 . A system comprising,

an electric traction machine, a slip sensor, and a data processing apparatus,

wherein the data processing apparatus is communicatively connected to the electric traction machine and the slip sensor;

wherein the data processing apparatus is operable for,

receiving a slip information, wherein the slip information describes a longitudinal slip of a wheel of a vehicle;

comparing the slip information of each wheel to a predefined wheel slip threshold; and

triggering a reduction of a deceleration level of a deceleration request when the slip information of at least one wheel exceeds the predefined wheel slip threshold;

wherein the system is operable for controlling the deceleration request in a one-pedal-driving mode of the vehicle, and

wherein the deceleration request relates to the deceleration level being a function of a position of a drive pedal, and wherein the deceleration request is based on a driving history.

15 . The system of claim 14 , wherein the slip information is determined by comparing at least one of a speed, an acceleration, and a combination of speed and acceleration of a first component of the vehicle to at least one of a speed and an acceleration, and a combination of speed and acceleration of a second component of the vehicle.

16 . The system of claim 15 , wherein the first component is at least one of a first wheel of the vehicle, a first axle of the vehicle, a first motor of the vehicle and a first part of the vehicle that gives an indication of a rotational speed of at least one of the first wheel, the first axle, and the first motor; and wherein the second component is at least one of a second wheel of the vehicle, a second axle of the vehicle, a second motor of the vehicle and a second part of the vehicle that gives an indication of a rotational speed of at least one of the second wheel, the second axle, and the second motor; and wherein the second component is different from the first component.

17 . The system of claim 14 , wherein the system is a component of a drivetrain of a vehicle.

18 . The system of claim 14 , wherein the system is a component of a vehicle.

19 . A non-transitory computer readable medium having stored thereon instructions executable by a computer system to perform operations comprising:

receiving a slip information, wherein the slip information describes a longitudinal slip of a wheel of a vehicle;

comparing the slip information of each wheel to a predefined wheel slip threshold; and

triggering a reduction of a deceleration level of a deceleration request when the slip information of at least one wheel exceeds the predefined wheel slip threshold;

wherein the instructions are operable for controlling the deceleration request in a one-pedal-driving mode of the vehicle, and

wherein the deceleration request relates to the deceleration level being a function of a position of a drive pedal, and wherein the deceleration request is based on a driving history.

20 . The non-transitory computer readable medium of claim 19 , wherein the slip information is determined by comparing at least one of a speed, an acceleration, and a combination of speed and acceleration of a first component of the vehicle to at least one of a speed and an acceleration, and a combination of speed and acceleration of a second component of the vehicle; and

wherein the first component is at least one of a first wheel of the vehicle, a first axle of the vehicle, a first motor of the vehicle and a first part of the vehicle that gives an indication of a rotational speed of at least one of the first wheel, the first axle, and the first motor; and

wherein the second component is at least one of a second wheel of the vehicle, a second axle of the vehicle, a second motor of the vehicle and a second part of the vehicle that gives an indication of a rotational speed of at least one of the second wheel, the second axle, and the second motor; and wherein the second component is different from the first component.