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US 10,093,307 B2Granted
Automobile including motor for running the automobile
AssigneeToyota Jidosha Kabushiki Kaisha
InventorsYuki Hayakawa, Masaya Amano, Takashi Ando
Life of this patent
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Abstract
When there is an abnormality in communications between a motor ECU and an HVECU in an automobile, the motor ECU controls a motor such that creep torque or a given torque larger than the creep torque is delivered from the motor. Thus, when there is an abnormality in communications between the HVECU and the motor ECU, the automobile is able to run in a limp home mode.
Claims5
An automobile comprising:
- a motor configured to run the automobile,
- a battery configured to deliver and receive electric power to and from the motor;
- a main controller configured to set a first torque command of the motor according to an accelerator operation amount of the automobile;
- and
- a motor controller configured to:
- (i) communicate with the main controller,
- (ii) receive the first torque command from the main controller,
- (iii) control the motor so as to drive the motor according to the first torque command received,
- when there is an abnormality in communications between the motor controller and the main controller, the motor controller being configured to:
- (iv) control the motor so as to drive the motor according to a second torque command, when the accelerator operation amount is smaller than a first threshold value, and
- (v) control the motor so as to drive the motor according to a third torque command that is larger than the second torque command, when the accelerator operation amount is equal to or larger than the first threshold value.
8 more elements
Dependencies are inferred from the claim text.