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The Integrated Navigation Kalman Filter of Strapdown Inertial Navigation System/Global Positioning System (SINS/GPS) with pesudorange and quaternion as observation information, has been researched for space autonomous navigation. To improve the real-time working performance, an improved Adaptive Extended Kalman filtering algorithm (AEKF) is proposed here to estimate the measurement noise on-line for...
Inertial navigation system, as one kind of widely used autonomous navigation system can supply not only continuous vehicle position and velocity information but also three axes attitude. SINS navigation errors will dramatically increase with time. So, SINS cannot work for a long time by itself to meet demand of accurate navigation. GPS can provide accurate positioning and velocity information and...
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