Servo characteristics of single-phase spindle motor in DVD-ROM

KingYin Wang; ChingPing Kuei; SungSan Chang; YaoYu Lee; YuHung Kuo

doi:10.1117/12.390517

6 July 2000 Servo characteristics of single-phase spindle motor in DVD-ROM

KingYin Wang, ChingPing Kuei, SungSan Chang, YaoYu Lee, YuHung Kuo

Proceedings Volume 4081, Optical Storage and Optical Information Processing; (2000) https://doi.org/10.1117/12.390517
Event: Photonics Taiwan, 2000, Taipei, Taiwan

Abstract

The single-phase DC motor has the low-cost advantage over 3- phase DC motor owing to its easy-assembling and high yield- rate, however, it has larger torque ripple and cogging torque. Single-phase DC motor is currently applied to low profit margin products such as cooling fan. In order to utilize single-phase DC motor to high precision system, for instance, DVD (Digital Versatile Disk), the vibration caused by torque ripple and cogging torque needs to be solved. In this paper, focusing error, tracking error, seeking ability and some velocity control performances are studied when single-phase DC motor is used in DVD related products.

Citation Download Citation

KingYin Wang, ChingPing Kuei, SungSan Chang, YaoYu Lee, and YuHung Kuo "Servo characteristics of single-phase spindle motor in DVD-ROM", Proc. SPIE 4081, Optical Storage and Optical Information Processing, (6 July 2000); https://doi.org/10.1117/12.390517

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