This paper discusses a hierarchical online fault-adaptive control approach for Advanced Life Support (ALS) Systems. ALS systems contain a number of complex interacting subsystems. To avoid complexity in the models and online analysis, diagnosis and fault-adaptive control is achieved by local units. To maintain overall performance, the problem of resource management for contending concurrent subsystems has to be addressed. We implement a control structure, where predefined set-point specifications for system operation are used to derive optimizing utility functions for the subsystem controllers. We apply this approach in situations where a fault occurs in a system, and once the fault is isolated and identified, the controllers use the updated system model to derive new set point specifications and utility functions for the faulty system.
Online Hierarchical Fault-Adaptive Control for Advanced Life Support Systems
Sae Technical Papers
International Conference On Environmental Systems ; 2004
19.07.2004
Aufsatz (Konferenz)
Englisch
Online Hierarchical Fault-Adaptive Control for Advanced Life Support Systems
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