ELECTRIC POWER STEERING (EPS) MOTOR CONSTRUCTION AND OPERATION
id061300246700
Construction
• The EPS motor is integrated with the steering column.
• The EPS motor is a brushless motor which consists of a three-phase star-connected stator, a permanent magnet rotor, and Hall element sensors.
Operation
• Current flows from the EPS control module to the stator to rotate the motor axis which is integrated with the rotor.
• Hall element sensors, which are integrated with the EPS motor and detect the rotor position, transmit the rotor position to the EPS control module.
• Based on the rotor position input from the Hall element sensors, the EPS control module switches the current flow to each stator.