Trx Systems, Inc.

Jonathan Morton Fetter-Degges

Carole Teolis

John George Karvounis

Benjamin E Funk

System, computer program products, and methods for detecting and compensating for sensor interference. Sensor interference may result from environmental interference or from electronic signal interference. Sensor location input may be adapted or rejected when interference is detected. The system can monitor the accuracy, as well as the integrity, of all navigation sensors. The system can also automatically eliminate the faulty or compromised data from a final navigation solution.

Systems and methods for redundant integrity monitoring

A computer implemented method of validating an output from a GNSS at a receiver including a fusion system comprising location sensors. A location estimate and a location error estimate are computed. A navigation update including a sensor location estimate and sensor location error estimate is also computed with the fusion system based on sensor measurements from the location sensors. A determination is made as to whether or not GNSS filters should be applied based at least on the location estimate, the sensor location estimate, and the sensor location error estimate. When GNSS filters should be applied, the location estimate and/or the location error estimate may be adjusted or rejected and a new navigation update may be computed with the fusion system based on the adjustment or rejection. When the GNSS filters should not be applied, the new navigation update is computed with the location estimate and the location error estimate.

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Washington, DC, United States of America

Jonathan Morton Fetter-Degges