Extending persistent monitoring by combining ocean models and Markov decision processes
Al-Sabban, Wesam H., Gonzalez, Luis F., & Smith, Ryan N. (2012) Extending persistent monitoring by combining ocean models and Markov decision processes. In Proceedings of the 2012 MTS/IEEE Oceans Conference, Hampton Roads, Virginia.
Ocean processes are complex and have high variability in both time and space. Thus, ocean scientists must collect data over long time periods to obtain a synoptic view of ocean processes and resolve their spatiotemporal variability. One way to perform these persistent observations is to utilise an autonomous vehicle that can remain on deployment for long time periods. However, such vehicles are generally underactuated and slow moving. A challenge for persistent monitoring with these vehicles is dealing with currents while executing a prescribed path or mission. Here we present a path planning method for persistent monitoring that exploits ocean currents to increase navigational accuracy and reduce energy consumption.
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