Model-Based Reasoning in SSF ECLSS

Paper #:
  • 921218

Published:
  • 1992-07-01
Citation:
Miller, J. and Williams, G., "Model-Based Reasoning in SSF ECLSS," SAE Technical Paper 921218, 1992, https://doi.org/10.4271/921218.
Pages:
9
Abstract:
The interacting processes and reconfigurable subsystems of the Space Station Freedom Environmental Control and Life Support System (ECLSS) present a tremendous technical challenge to Freedom's crew and ground support. ECLSS operation and problem analysis is time-consuming for crew members and difficult for current computerized control, monitoring, and diagnostic software.These challenges can be at least partially mitigated by the use of advanced techniques such as Model-Based Reasoning (MBR). This paper will provide an overview of MBR as it is being applied to Space Station Freedom ECLSS. It will report on work being done to produce intelligent systems to help design, control, monitor, and diagnose Freedom's ECLSS. Specifically, work on predictive monitoring, diagnosability, and diagnosis, with emphasis on the automated diagnosis of the regenerative water recovery and air revitalization processes will be discussed.
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