	US 11,897,366 B2
	Methods and apparatuses for controlling an electric vehicle
Silvio Rotilli Filho, Hamilton (CA); Tim Lambert, Los Angeles, CA (US); and Muhammad Ikhlas, Waterloo (CA)
Assigned to ACCELERATED SYSTEMS INC., Waterloo (CA)
Filed by ACCELERATED SYSTEMS INC., Waterloo (CA)
Filed on Sep. 18, 2019, as Appl. No. 16/574,165.
Claims priority of provisional application 62/837,476, filed on Apr. 23, 2019.
Claims priority of provisional application 62/734,321, filed on Sep. 21, 2018.
Prior Publication US 2020/0094683 A1, Mar. 26, 2020
Int. Cl. B60L 7/18 (2006.01); B60W 30/18 (2012.01); B60L 7/26 (2006.01)

CPC B60L 7/18 (2013.01) [B60L 7/26 (2013.01); B60W 30/18127 (2013.01); B60W 2520/105 (2013.01)]

10 Claims

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.

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.