23 June 1994 Precision temperature control of Stirling-cycle cryocoolers
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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.
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Robert R. Clappier, Robert R. Clappier, Robert J. Kline-Schoder, Robert J. Kline-Schoder, } "Precision temperature control of Stirling-cycle cryocoolers", Proc. SPIE 2227, Cryogenic Optical Systems and Instruments VI, (23 June 1994); doi: 10.1117/12.178598; https://doi.org/10.1117/12.178598
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