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31 May 2012 Experimental demonstration of cryocooler electronics with multiple mechanical cryocooler types
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This paper describes a series of experiments during which a particular cryocooler control electronics (CCE) was shown to successfully drive several very different cryocoolers and simulated cryocooler loads, including a space pulse tube cryocooler, long life tactical Stirling coolers, and even a simulated reverse turbo Brayton (RTB) cryocooler compressor. This CCE is an early brassboard version of a low cost, radiation hard cryocooler electronics module being developed primarily for cost-constrained, but nevertheless mission critical military and civilian spaceborne applications. This design is also applicable for tactical applications which seek to support multiple cryocooler types and/or vendors with a given CCE. The CCE provides high efficiency DC-to-AC conversion, automated cool down, and precision temperature control. The results demonstrate convincingly that this CCE design is broadly supportive of a wide range of thermodynamic-mechanical cryocooler units (TMUs) for a subsequently broad range of payloads and missions.
© (2012) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
J. J. Freeman, J. B. Murphy, and C. S. Kirkconnell "Experimental demonstration of cryocooler electronics with multiple mechanical cryocooler types", Proc. SPIE 8353, Infrared Technology and Applications XXXVIII, 83531W (31 May 2012);

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