| 摘要 |
<p>An absolute hand-wheel position tracking system (10, 110) for an electric power steering system (70) having a hand-wheel (76), an assist motor (94) for providing an assist torque disposed relative to the hand-wheel (76), and a motor position sensor (95) responsive to the assist motor (94), includes a hand-wheel position initialization function (12, 112) responsive to the hand-wheel (76); a motor position correction and scaling function (16, 116) responsive to the motor position sensor (95) and responsive to the assist torque; an enable function (14, 114) responsive to the assist torque and responsive to the hand-wheel position initialization function (12, 112); and an absolute hand-wheel position generation function (18, 118) in signal communication with the hand-wheel position initialization function (12, 112), the motor position correction and scaling function (16, 116), and the enable function (14, 114). <IMAGE></p> |
