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Autonomous unmanned helicopters are useful in disaster response activities, but their reliability needs improvement to broaden its application area. GPS-INS hybrid navigation systems using Kalman Filter have been used to improve the reliability of autonomous unmanned helicopters, but they are not robust against the absence of GPS measurements. The vertical accuracy of GPS measurement is less than...
To improve reliability of autonomous unmanned helicopter, GPS-INS hybrid navigation systems using Kalman Filter are utilized. Barometer can be integrated into the hybrid navigation system, but the problem is that there is no sufficient model which can describe the relation between the altitude and the air pressure in ground effect. The purpose of this paper is to develop a measurement model of a barometer...
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