Methods and apparatuses for controlling an electric vehicle

1. A method for controlling an electric vehicle, the method comprising:

receiving a regenerative braking activation indicator;

if the regenerative braking activation indicator is affirmative, applying regenerative braking at an initial level to an electric motor of the electric vehicle;

obtaining a vehicle motion parameter of the electric vehicle measured when the regenerative braking is being applied;

changing the regenerative braking to a modified level in response to the vehicle motion parameter;

obtaining a corresponding vehicle motion parameter when the regenerative braking is being applied at the modified level;

if the corresponding vehicle motion parameter is greater than a vehicle motion parameter threshold, changing the regenerative braking to a further modified level; and

if the corresponding vehicle motion parameter is equal to or less than the vehicle motion parameter threshold, changing the regenerative braking to the initial level.

2. The method of claim 1 , wherein:

the vehicle motion parameter comprises an acceleration of the electric vehicle, the corresponding vehicle motion parameter comprises a corresponding acceleration of the electric vehicle, and the vehicle motion parameter threshold comprises an acceleration threshold;

the obtaining the vehicle motion parameter and the corresponding vehicle motion parameter comprise obtaining the acceleration and the corresponding acceleration respectively; and

the changing the regenerative braking comprises setting the modified level to be greater than the initial level if the acceleration is greater than the acceleration threshold.

3. The method of claim 2 , wherein:

the changing the regenerative braking to the further modified level comprises: if the corresponding acceleration is greater than the acceleration threshold, changing the regenerative braking to the further modified level being greater than the modified level.

4. The method of claim 1 , further comprising:

receiving from a sensor a vehicle environment parameter of the electric vehicle; and

changing the regenerative braking to the modified level based further on the vehicle environment parameter.

5. The method of claim 1 , further comprising:

receiving a mechanical braking parameter of the electric vehicle; and

one or more of:

changing the regenerative braking to the modified level based further on the mechanical braking parameter; and

changing a mechanical braking level of the electric vehicle based on the changing the regenerative braking to the modified level.

6. A controller for controlling an electric vehicle, the controller comprising:

a memory to store instructions executable by a processor; and

the processor in communication with the memory, the processor to:

receive a regenerative braking activation indicator;

if the regenerative braking activation indicator is affirmative, apply regenerative braking at an initial level to an electric motor of the electric vehicle;

obtain a vehicle motion parameter of the electric vehicle measured when the regenerative braking is being applied;

change the regenerative braking to a modified level in response to the vehicle motion parameter;

obtain a corresponding vehicle motion parameter when the regenerative braking is being applied at the modified level;

if the corresponding vehicle motion parameter is greater than a vehicle motion parameter threshold, change the regenerative braking to a further modified level; and

if the corresponding vehicle motion parameter is equal to or less than the vehicle motion parameter threshold, change the regenerative braking to the initial level.

7. The controller of claim 6 , wherein:

the vehicle motion parameter comprises an acceleration of the electric vehicle, the corresponding vehicle motion parameter comprises a corresponding acceleration of the electric vehicle, and the vehicle motion parameter threshold comprises an acceleration threshold;

to obtain the vehicle motion parameter and the corresponding vehicle motion parameter the processor is to obtain the acceleration and the corresponding acceleration respectively; and

to change the regenerative braking the processor is to set the modified level to be greater than the initial level if the acceleration is greater than the acceleration threshold.

8. The controller of claim 7 , wherein:

to change the regenerative braking to the further modified level the processor is to: if the corresponding acceleration is greater than the acceleration threshold, change the regenerative braking to the further modified level being greater than the modified level.

9. The controller of claim 6 , wherein the processor is further to:

receive from a sensor a vehicle environment parameter of the electric vehicle; and

change the regenerative braking to the modified level based further on the vehicle environment parameter.

10. The controller of claim 6 , wherein the processor is further to:

receive a mechanical braking parameter of the electric vehicle; and

one or more of:

change the regenerative braking to the modified level based further on the mechanical braking parameter; and

change a mechanical braking level of the electric vehicle based on the change of the regenerative braking to the modified level.