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Ship weather routing problem has a crucial importance especially for transoceanic voyages, where voyage time reaches several days and the distance is thousands of nautical miles. This paper presents an optimization method for multi-objective ship weather routing problem. The voyage time and voyage risk are both taking into account and the multi-objective evolutionary algorithm NSGA-II (Non-Dominated...
Modern transportation systems suffer from a variety of problems. The most notable among these problems is traffic congestions. Traffic congestions have been a subject for much of research discussing the impact of the traffic on the environment, the financial cost it incurs, and the safety risks it poses. The research of this paper alternatively suggests a solution model to mitigate the congestion...
Using vehicle for evacuation from areas affected by natural disaster is an important part of a rescue plan. While fleeing to safety place or evacuation center during disaster, there is a high probability to get trapped in traffic congestion. This is because people will access shortest route to safety place and road from high-populated affected area to the nearest evacuation center will be quickly...
A new smart building evacuation system consisting of intelligent integration supervisory system (IISS), smart emergency indicator boards (SEIB) and fuzzy-based approach for evacuation modeling is presented. In an emergency, the IWSS can obtain the positions of disaster area from wireless sensors. Then, the system determinates safe evacuation routes using a fuzzy system to make decisions with membership...
A shortest routing is crucial in emergent navigations including rescue and military applications. This paper proposes an automatic method of the shortest routing for emergent navigation. Firstly, un-navigable shallow areas are obtained by tracing safety contour for the ship navigation, and they are processed together with other obstacle areas. Then navigable paths are tested based on the predefined...
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