Two-dimensional coordinate estimation for missing automatic identification system (AIS) signals based on the discrete Kalman filter algorithm and universal transverse mercator (UTM) projection
Two-dimensional coordinate estimation for missing automatic identification system (AIS) signals based on the discrete Kalman filter algorithm and universal transverse mercator (UTM) projection
Due to safety reasons, the movement of a ship in coastal areas should be monitored, tracked, recorded, and
stored. The Automatic Identification System (AIS) is a suitable tool to use in performing these functions.
The probability limit for the AIS dynamic data availability can be limited by the lack of a Global Position
System (GPS) signal, heading (HDG), and rate of turn (ROT) data in the position report. The unavailability
of a data link is an additional limitation. To fill this gap, it is possible to attach the discrete Kalman filter
(KF) for the position and course estimation. Coordinate estimation in the absence of a transmission link can
improve the quality of the AIS service at Vessel Traffic Service (VTS) stations. This paper has presented the
Kalman filtering algorithm to improve the possibilities for ship motion tracking and monitoring in the TSS
(Traffic Separation Scheme) and fairways area. More than 570 iterations were calculated and the results
have been presented in figures to familiarize the reader with the operating principle of the Kalman filter
algorithm.
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