No.1009E 2012Automotive Technology Special Edition Development of Rattle Noise Analysis Technology for Column Type Electric Power Steering Systems |
| Category | TECHNICAL REPORT |
|---|---|
| Author | S. NISHIMURA System Development Dept., Steering System Operations Headquarters S. ABE Experiment & Analysis Dept.1, Steering System Operations Headquarters |
| Abstract | The backlash adjustment mechanism for reduction gears adopted in electric power steering systems aims to reduce rattle noise at gear inverse rotation by decreasing the backlash between worms and reduction gears. However, there is a possibility that another rattle noise could be generated due to the characteristics of the backlash adjustment mechanism itself. Therefore, we have developed rattle noise simulation for Column type electric power steering (C-EPS) systems to analyze rattle noise caused by the backlash adjustment mechanism. The cause of rattle noise has been inferred from simulation and test results. This simulation can now be used at the design phase to design parameters which will reduce rattle noise and improve design effi ciency. |
| Keyword | rattle noise, electric power steering, backlash adjustment mechanism, reduction gear |
| Reference | T. SUGIURA : Backlash Adjustment Mechanism for Reducer of Electric Power Steering System, JTEKT ENGINEERING JOURNAL, No.1001E (2006) 65. |
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