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Proceedings Paper

Precision temperature control of Stirling-cycle cryocoolers
Author(s): Robert R. Clappier; Robert J. Kline-Schoder
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Paper Abstract

This paper describes the analysis, development, and laboratory testing of a closed loop control system that maintains temperature over a range of 50 to 80 K to +/- 0.01 K. The control loop uses position, velocity, and integrated error information to achieve excellent short-term and long-term temperature stability by modulating the length of the compressor stroke. The resulting control system is compatible with adaptive vibration cancellation techniques. The control algorithm is implemented on a personal computer using a 386 processor, but it is simple enough to run as one of many tasks on a less powerful microprocessor.

Paper Details

Date Published: 23 June 1994
PDF: 8 pages
Proc. SPIE 2227, Cryogenic Optical Systems and Instruments VI, (23 June 1994); doi: 10.1117/12.178598
Show Author Affiliations
Robert R. Clappier, Lockheed Palo Alto Research Lab. (United States)
Robert J. Kline-Schoder, Redwood Microsystems (United States)


Published in SPIE Proceedings Vol. 2227:
Cryogenic Optical Systems and Instruments VI
James B. Heaney; Lawrence G. Burriesci, Editor(s)

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