Digital Servo for Photogrammetric Instruments
作者:
R. R. Real,
Y. Fujimoto,
期刊:
Review of Scientific Instruments
(AIP Available online 1971)
卷期:
Volume 42,
issue 8
页码: 1217-1221
ISSN:0034-6748
年代: 1971
DOI:10.1063/1.1685346
出版商: AIP
数据来源: AIP
摘要:
A form of digital servo with printed disk dc motor drive, incremental measurement, nonlinear feedback, and digital integrated circuit logic is found eminently suited to application in photogrammetric instruments. Complexity ranges from unity transfer through nonlinear transfer to use of a computer in the control loop. A steering circuit for drawing in a plane is also discussed.
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