Filter Kalman for solving the problem of coordinates unmanned aerial vehicles
https://doi.org/10.21122/2309-4923-2019-1-26-34
Abstract
Unmanned aerial vehicles (UAVs) are increasingly used in military and scientific research. Some miniaturized UAVs rely entirely on the global positioning system (GPS) for navigation. GPS is vulnerable to accidental or deliberate interference that can cause it to fail. It is not unusual, even in a benign environment, for a GPS outage to occur for periods of seconds to minutes. For UAVs relying solely on GPS for navigation such an event can be catastrophic. This article proposes an extended Kalman filter approach to estimate the location of a UAV when its GPS connection is lost, using inter-UAV distance measurements Increasing the accuracy of coordinate’s determination is one of the most crucial tasks of the modern UAV navigation. This task can be solved by using different variants of integration of navigation systems. One of the modern variants of integration is the combination of GPS/GLONASS-navigation with the extended Kalman filter, which estimates the accuracy recursively with the help of incomplete and noisy measurements. Currently different variations of extended Kalman filter exist and are under development, which include various number of variable states [1]. This article will show the utilization efficiency of extended Kalman filter in modern developments.
About the Author
N. N. Arefyev
Belarusian National Technical University
Belarus
Post-graduate student
Belarus
Post-graduate student
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Review
For citations:
Arefyev N.N. Filter Kalman for solving the problem of coordinates unmanned aerial vehicles. «System analysis and applied information science». 2019;(1):26-34. https://doi.org/10.21122/2309-4923-2019-1-26-34
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