A Heuristic Method for Determining the Necessary Time Duration of Electron Beam ESD Tests of Spacecraft Dielectrics
2021 IEEE Conference on Electrical Insulation and Dielectric Phenomena (CEIDP)(2021)
Abstract
Electrostatic discharge or ESD can pose a significant risk to spacecraft in many space environments. Laboratory electron beam facilities can be used to test the performance of candidate spacecraft dielectrics. However, limited resources necessitate accelerated testing. The aim of this work is the development of a criterion for determining when an ESD test has run for sufficient time to capture representative ESD behavior. Such a criterion has the potential of saving hours of personnel and facility time per test. A comparison of the distributions of ESD event magnitudes from consecutive segments of an ESD test can be used to determine when the test has reached a quasi-steady state. Once this quasi-steady state has been observed the test may be ended without a significant reduction in test fidelity.
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Key words
electron beam esd tests,necessary time duration
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