Fault-tolerant
In the context of space and astronautical engineering, fault-tolerant refers to the ability of a system or component to continue functioning in the event of a fault or failure. This is achieved through the use of redundancy, where multiple components are used to perform the same function, and fault detection and isolation, where faults are detected and isolated to prevent them from affecting other components. Fault-tolerant systems are critical in space missions, where the consequences of a failure can be catastrophic and the ability to repair or replace components is limited. Examples of fault-tolerant systems in space include the redundant systems used in spacecraft propulsion, power, and communication systems.
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