Title:
電動パワーステアリング装置の故障検出装置
Document Type and Number:
Japanese Patent JP4270978
Kind Code:
B2
Abstract:
The invention relates to a failure detection system for an electric power steering system. The system detects ON failure of one of first to fourth switching elements of an H-bridge circuit of the electric power steering system. The system detects ON failure by measuring the value of the current and the fluctuation in the value of the current. Therefore, the system can detect ON failures even when the value of the current is within normal ranges.
Inventors:
Mitsunori Kawashima
Masato Yuda
Hiroaki Ishigaki
Masato Yuda
Hiroaki Ishigaki
Application Number:
JP2003299460A
Publication Date:
June 03, 2009
Filing Date:
August 25, 2003
Export Citation:
Assignee:
Honda motor industry stock company
Showa Corporation
Showa Corporation
International Classes:
H02P29/00; B62D5/04; H02P7/00; H02P7/06
Attorney, Agent or Firm:
Ken Ochiai
Kazuaki Niki
Kazuaki Niki