| 摘要 |
This invention provides an electric power steering device in which a steering assist force is applied to a steering system of a vehicle using a motor. The electric power steering device includes a first calculating part (31) for calculating a steering assist command value based on a steering torque (T h )and a vehicle speed (V h ), a drive control part that controls drive of the motor based on the steering assist command value, a second calculating part (40) for calculating a steering assist command limit value based on a source voltage (V) and a motor rotating speed (É), and a limiting part (41) for limiting steering assist command value based on the steering assist command limit value. |
