The Improvement of a Low-Cost Inertial Navigator Through Conditional Feedback |
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Authors: | Lee Bernard |
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Institution: | Conductron-Missouri, St. Charles, Mo.; |
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Abstract: | A concept for providing an accurate low-cost inertial reference was presented in a previous paper. Low-cost platform gyros, poor in terms of their drift rates, furnish the space-fixed reference frame. A single high-accuracy gyro, mounted on the platform, monitors the performance of the platform gyros. Consequently, drift rates are estimated, predicted, and applied as signals to correct the platform for gyro uncertainties. This paper features new estimation and predictive techniques. |
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