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Disc player servo technology research

Author: PanYongQiang
Tutor: LiMingWeiï¼›YiJianSheng
School: Dalian University of Technology
Course: Electronics and Communication Engineering
Keywords: Digital disc The optical pickup head Focus servo Tracking servo A focus error signal Tracking error signal Mathematical model Servo chip
CLC: TP333.4
Type: Master's thesis
Year: 2002
Downloads: 151
Quote: 0
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Abstract


Servo technology is an important element of digital disk technology , which is widely used in home digital disc player ( such as CD , VCD , DVD machines , etc. ) , optical storage drives ( such as CD - ROM , DVD - ROM , etc. ) . This paper studies the home digital disc player focus servo and tracking servo technology , mainly the following : (1) first studied the structure and the recording mode of the digital disc , pointed out that the focus servo and tracking servo disc itself affect main factors. ( 2 ) study the basic principle of the optical pickup head and the optical signal pickup principle , a brief analysis of the actual optical head the mechanical structure of the focus servo and tracking servo . (3) Research focus servo and tracking servo principle , including the causes of the error signal , the detection method , the preliminary study of the mathematical model of the focus servo and tracking servo and servo circuit examples . (4) About Panasonic servo chipset . ( 5) a servo control system solutions , Panasonic servo chipset and build its evaluation experiment platform . (6) Finally, the proposed scheme is verified by experiments , and experimental results are presented and analyzed , the final conclusions .

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CLC: > Industrial Technology > Automation technology,computer technology > Computing technology,computer technology > Electronic digital computer (not a continuous role in computer ) > Memory > Optical memory drive
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