公开(公告)号：US20230120929A1

公开(公告)日：2023-04-20

申请号：US17924332

申请日：2021-12-15

Applicant: NANJING UNIVERSITY OF AERONAUTICS AND ASTRONAUTICS

Inventor： Wanzhong ZHAO ,  Ziyu ZHANG ,  Chunyan WANG ,  Xiaochuan ZHOU ,  Gang WU ,  Zhongkai LUAN ,  Yulin YE

IPC: B62D3/08 ,  B62D5/04 ,  B62D15/02 ,  H02K7/06 ,  H02K7/08 ,  H02K16/02

Abstract: Disclosed are a multifunctional electric recirculating ball steering system for commercial vehicles and a control method thereof, including: an electric power module, a mechanical transmission module and a control module; the electric power module includes: a dual-rotor motor module (14) and a power motor (22); the mechanical transmission module includes: a steering wheel (1), a steering shaft (4), couplings (5), a recirculating ball steering gear (16), a gear sector (19), a gear sector shaft (6), a steering drag link (7), a steering tie rod (12), a steering knuckle arm (8), a left tie rod arm (11), a right tie rod arm (26), a left steering knuckle (10), a right steering knuckle (25), a left wheel (9) and a right wheel (24); and the control module includes: an electronic control unit (21), torque sensors (3), a vehicle speed sensor (20), a steering angle sensor (2) and current sensors (23). The system ensures system reliability.