Industrial Applications Of Optical Shaft Encoders

Brian W. Edmister

doi:10.1117/12.959569

19 November 1980 Industrial Applications Of Optical Shaft Encoders

Brian W. Edmister

Proceedings Volume 0255, Practical Electro-Optical Instruments and Techniques; (1980) https://doi.org/10.1117/12.959569
Event: 1980 Huntsville Technical Symposium, 1980, Huntsville, United States

Abstract

The development of the microprocessor and mini-computer for industrial process control has made the optical shaft angle encoder a natural choice for a position feedback transducer. Many of these applications, however, require the encoder to operate reliably in extremely hostile environments. In response to this, the encoder manufacturer has been faced with reliability problems which fall into the following general categories: 1. Exposure to weather 2. Wide operating and storage temperature range 3. Exposure to corrosive chemicals 4. Severe shock and vibration 5. High electrical noise levels 6. Severe blows to encoder housing 7. Operation in explosive atmospheres Three of these applications expose the encoder to most of these environmental conditions: 1. A jack-up control position feedback for an offshore oil well drilling rig 2. A depth measurement system for oil well logging instrumentation 3. Elevation and azimuth feedback for a solar power plant heliostat

Citation Download Citation

Brian W. Edmister "Industrial Applications Of Optical Shaft Encoders", Proc. SPIE 0255, Practical Electro-Optical Instruments and Techniques, (19 November 1980); https://doi.org/10.1117/12.959569

ACCESS THE FULL ARTICLE

INSTITUTIONAL
Select your institution to access the SPIE Digital Library.

SELECT YOUR INSTITUTION

PERSONAL
Sign in with your SPIE account to access your personal subscriptions or to use specific features such as save to my library, sign up for alerts, save searches, etc.

PERSONAL SIGN IN

No SPIE Account? Create one

PURCHASE THIS CONTENT

SUBSCRIBE TO DIGITAL LIBRARY

50 downloads per 1-year subscription

Members: $195

Non-members: $335 ADD TO CART

25 downloads per 1 - year subscription

Members: $145

Non-members: $250 ADD TO CART

PURCHASE SINGLE ARTICLE

Includes PDF, HTML & Video, when available