Flight electronics for vibration cancellation in cryogenic refrigerators: performance and environmental testing results

Lawrence G. Burriesci; Eric I. Cook; John P. Hackett; James R. Drummond; Gurpreet S. Mand

doi:10.1117/12.254138

14 October 1996 Flight electronics for vibration cancellation in cryogenic refrigerators: performance and environmental testing results

Lawrence G. Burriesci, Eric I. Cook, John P. Hackett, James R. Drummond, Gurpreet S. Mand

Author Affiliations +

Proceedings Volume 2814, Cryogenic Optical Systems and Instruments VII; (1996) https://doi.org/10.1117/12.254138
Event: SPIE's 1996 International Symposium on Optical Science, Engineering, and Instrumentation, 1996, Denver, CO, United States

Abstract

Space flight optical instruments and their support hardware must reliably operate in stressing environments for the duration of their mission. They must also survive the mechanical and thermal stresses of transportation, storage and launch. It is necessary to qualify the hardware design through environmental testing and to verify the hardware's ability to perform properly during and/or after some selected environmental tests on the ground. As a rule, flight electronics are subjected to thermal, mechanical and electromagnetic environmental testing. Thermal testing takes the form of temperature cycling over a temperature difference range (Delta) T of up to 100 degrees C for a minimum of six cycles, with additional performance verification testing at the hot and cold extremes. Mechanical testing takes the form of exposure to random vibration, sine sweep vibration, shock spectra and static loading on a centrifuge or by sine burst on a vibration table. A standard series of electromagnetic interference and electromagnetic compatibility testing is also performed.

Citation Download Citation

Lawrence G. Burriesci, Eric I. Cook, John P. Hackett, James R. Drummond, and Gurpreet S. Mand "Flight electronics for vibration cancellation in cryogenic refrigerators: performance and environmental testing results", Proc. SPIE 2814, Cryogenic Optical Systems and Instruments VII, (14 October 1996); https://doi.org/10.1117/12.254138

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