Motor control apparatus
AssigneeDenso Corporation
InventorTakayuki Kakihara
Life of this patent
Estimating the term…
Abstract
A MG-ECU is provided in a hybrid vehicle having an MG and an engine and starts the engine by controlling the MG. When the MG-ECU detects a disconnection in any one of three-phase power supply wires, which supply the MG with power, the MG-ECU permits driving of the MG on condition that the engine is requested to be started. The MG-ECU limits a command torque for the MG is limited to be equal to or less than a predetermined torque value than in a case of presence of no disconnection, when the MG is permitted to be driven.
Claims9
A motor control apparatus for a hybrid vehicle provided with a three-phase motor and an internal combustion engine, the motor control apparatus starting the internal combustion engine by controlling the three-phase motor, the motor control apparatus comprising:
- a disconnection check part for checking whether a disconnection is present in any one of three-phase power supply wires of the three-phase motor;
- a start request check part for checking whether an engine start request for starting the internal combustion engine by the three-phase motor is present;
- a motor driving inhibition part for inhibiting driving of the three-phase motor as a drive power source for travel of the hybrid vehicle when the disconnection is detected by the disconnection check part;
- and
- a motor driving permission part for permitting, under a state that the disconnection is detected by the disconnection check part, driving of the three-phase motor from when the engine start request is detected by the start request check part until when starting the internal combustion engine is completed.
A motor control apparatus for a hybrid vehicle with a three-phase motor and an internal combustion engine, the motor control apparatus starting the internal combustion engine by controlling the three-phase motor, the motor control apparatus comprising:
- a disconnection check part for checking whether a disconnection is present in any one of three-phase power supply wires of the three-phase motor;
- a start request check part for checking whether an engine start request for starting the internal combustion engine by the three-phase motor is present;
- and
- a motor driving permission part for permitting driving of the three-phase motor on condition that the disconnection is detected by the disconnection check part and the engine start request is detected by the start request check part;
- wherein:
- the motor driving permission part drives the three-phase motor with more limitation than in a case of no detection of the disconnection, when the driving of the three-phase motor is permitted.
A motor control apparatus for a hybrid vehicle provided with a three-phase motor and an internal combustion engine, the motor control apparatus starting the internal combustion engine by controlling the three-phase motor, the motor control apparatus comprising:
- a disconnection check part for checking whether a disconnection is present in any one of three-phase power supply wires of the three-phase motor;
- a start request check part for checking whether an engine start request for starting the internal combustion engine the three-phase motor is present;
- and
- motor driving permission part for permitting driving of the three-phase motor on condition that the disconnection is detected by the disconnection check part and the engine start request is detected by the start request check part;
- wherein:
- the vehicle is provided with an activation switch, which is manually operable to supply the power to the three-phase motor;
- and the motor driving permission part permits the driving of the three-phase motor when the start request check part detects that the activation switch is operated.
Dependencies are inferred from the claim text.