Zero-searching accurate positioning method based on magnetic railing ruler

Zero-searching accurate positioning method based on magnetic railing ruler

The invention belongs to the technical field of control, and particularly relates to a zero-seeking accurate positioning method based on a magnetic railing ruler, the positioning method is implemented based on a focusing device, and the focusing device comprises a focusing control unit, a focusing e...

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Hauptverfasser: SONG JINHONG, QUAN HONGYAN, QIAN KUN, GUO JIAQI, YUN PINGPING, HAI YUNBO, LU YANG, WANG JUNLIN, XU JING, SONG YANYAN, WANG XIAOYI, HUI PENG, XIE HUAN, ZHANG CHONG, MEI FULIN
Format: Patent
Sprache:chi ; eng
Schlagworte:
ELECTRIC COMMUNICATION TECHNIQUE
ELECTRICITY
PICTORIAL COMMUNICATION, e.g. TELEVISION
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creator SONG JINHONG
QUAN HONGYAN
QIAN KUN
GUO JIAQI
YUN PINGPING
HAI YUNBO
LU YANG
WANG JUNLIN
XU JING
SONG YANYAN
WANG XIAOYI
HUI PENG
XIE HUAN
ZHANG CHONG
MEI FULIN
description The invention belongs to the technical field of control, and particularly relates to a zero-seeking accurate positioning method based on a magnetic railing ruler, the positioning method is implemented based on a focusing device, and the focusing device comprises a focusing control unit, a focusing execution mechanism, a focusing position feedback unit and a limiting feedback unit; compared with the prior art, the method has the following beneficial effects: (1) compared with a traditional cam focusing system, a linear motion focusing mechanism based on the method adopts a voice coil motor, and is simple in structure and high in response speed; and the zero searching speed can be effectively ensured. And (2) compared with a traditional cam focusing system, the linear motion focusing mechanism based on the method adopts a magnetic railing ruler and an incremental encoder as position feedback devices to replace a traditional position potentiometer and an analog-to-digital conversion measurement system, and the m
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subjects ELECTRIC COMMUNICATION TECHNIQUE
ELECTRICITY
PICTORIAL COMMUNICATION, e.g. TELEVISION
title Zero-searching accurate positioning method based on magnetic railing ruler
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