No.1003E 2007 Development of High Power Column-Type Electric Power Steering System

Category TECHNICAL REPORT
Author Y. NAGAHASHI
System Engineering Department 1, Steering System Operations Headquarters
A. KAWAKUBO
NV Engineering Department, Steering System Operations Headquarters
T. TSUJIMOTO K. KAGEI
Electronics Engineering Department, Steering System Operations Headquarters
J. HASEGAWA
System Development Department, Steering System Operations Headquarters
S. KAKUTANI
System Engineering Department 1, Steering System Operations Headquarters
Abstract Recently, demands have increased for column-type electric power steering that can be installed not only on small vehicles but also on medium-sized and large vehicles and features high output and quiet operation in view of the need to promote environmental protection and energy conservation on a global scale. Also, as the demand for systems increases, the need for C-EPS to possess high technical capability and performance is increasing.
This paper introduces the following elemental technologies developed and applied to C-EPS.
· Electronic control device equipped with a booster pump circuit
· Brushless motor
· Core-to-core-distance adjustment mechanism type reduction gear
· Hall IC torque sensor
· Manual gear
· Assist control
Keyword electric power steering, manual steering gear, torque sensor, assist control, motor
Reference

T. SUGIURA: Backlash Adjustment Mechanism for Reducer of Electric Power Steering System, JTEKT ENGINEERING JOURNAL, No.1001E (2006) 65.

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