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Proceedings Paper

Installation And Maintenance Of High Resolution Optical Shaft Encoders
Author(s): Donald H. Breslow
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Paper Abstract

Designing an installation of a high resolution encoder (19 to 22 bits) on a radar or optical tracker is a technically demanding job. Unfortunately, many designers treat the installation planning of an encoder as a simple bolt-on job and frequently not enough space is left, or mounting surfaces are provided which are not commensurate with the accuracy of the encoder. A further complicating factor is that many encoders must be mounted on structures that were not originally designed to accept a transducer of such high resolution and accuracy. A poor installation causes a tracking error between the system's boresight axis (optical or radar) and the encoder readout angle. This paper will present a thorough review of the mechanical parameters that must be defined and controlled to properly interface a high resolution encoder. The paper will also discuss maintenance techniques that can be used to lower operating costs and improve operating reliability over the life of the equipment.

Paper Details

Date Published: 11 September 1978
PDF: 10 pages
Proc. SPIE 0134, Photo- and Electro-Optics in Range Instrumentation, (11 September 1978); doi: 10.1117/12.956095
Show Author Affiliations
Donald H. Breslow, Itek (United States)


Published in SPIE Proceedings Vol. 0134:
Photo- and Electro-Optics in Range Instrumentation
Walter J. Carrion; Jed E. Durrenberger; Richard K. Petersen; John Cornell, Editor(s)

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