Abstract

The design and implementation of a redundancy management scheme for the on‐line detection and isolation of faulty sensors is presented. Such a device is potentially useful in reactor‐powered spacecraft for enhancing the processing capabilities of the main computer. The fault detection device can be used as an integral part of intelligent instrumentation systems. The device has been built using an 8‐bit microcontroller and commercially available electronic hardware. The software is completely portable. The operation of this device has been successfully demonstrated for real‐time validation of sensor data on Argentina’s RA‐1 Research Reactor.

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