United States of America As Represented by the Administrator of Nasa

The Charles Stark Draper Laboratory, Inc.

Doug Zimpfer

Tye Michael Brady

Timothy Henderson

Tim Crain

Richard Phillips

In one embodiment, a system for providing fault-tolerant inertial measurement data includes a sensor for measuring an inertial parameter and a processor. The sensor has less accuracy than a typical inertial measurement unit (IMU). The processor detects whether a difference exists between a first data stream received from a first inertial measurement unit and a second data stream received from a second inertial measurement unit. Upon detecting a difference, the processor determines whether at least one of the first or second inertial measurement units has failed by comparing each of the first and second data streams to the inertial parameter.

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Houston, TX, United States of America

Doug Zimpfer