광디스크용 4-wire 액츄에이터의 연성효과에 관한 해석

Analysis of coupled effect for 4-wire actuator of optical disc

In optical disc system, lens actuator of 4-wire has unwanted moment which occurs tilt. The moment around the axis pallet to the tangential direction of the disk occurs to the moving part. when the moving part is moved in tracking direction and focus driving force is applied. This paper analyzed coupled effect due to the moment based on structural analysis and magnetic field analysis, both using finite element method.