Abstract
Navigation safety has a huge impact on the world economy and our everyday lives. One navigation safety simulation model in ECDIS based on international standard format (S‐57) is put forward, which is mainly involved in route plan and route monitoring. The universal kriging interpolation is used in the route planning and to compute the water depth of any place in the sea bottom. The man‐machine conversation method is taken to amend planned route to obtain autodeciding of feasibility according to ECDIS information, and the route monitoring algorithm is improved by enhancing its precision caused by screen coordinate conversion. The DCQA (distance close quarters situation of approach) model and TCQA (time close quarters situation of approach) model are adopted to judge if the close quarters situation or the risk of collision between own ship and target ship is emerging. All these methods are proven to be reliable through the navigation simulator made by Dalian Maritime University which is certified by DNV to class A.
Highlights
Nowadays, the marine safety problem becomes more and more important with the increasing of shipping and pleasure boating
In this article, based on international standard format S-57, the navigation safety simulation model in ECDIS is put forward, which mainly studies on the route plan and route monitoring
The navigation safety simulation model in ECDIS based on international standard format S57 is put forward, which mainly studies route plan and route monitoring
Summary
The marine safety problem becomes more and more important with the increasing of shipping and pleasure boating. The navigation safety simulation in ECDIS is important to marine traffic, so route plan and route monitoring are two key navigational functions 2. Based on the close quarters situation, how to reduce the risk of collision between own ship and target ship is important. Xu put forward a route planning and route monitoring method and implemented them in the electronic chart display and information system ECDIS 8 , while Zhang et al proposed the preliminary thought of the automatic optimization for ocean route 9. In this article, based on international standard format S-57 , the navigation safety simulation model in ECDIS is put forward, which mainly studies on the route plan and route monitoring. The man-machine conversation way is taken to amend planned route to realize feasibility autodeciding according to ECDIS information. The models of DCQA distance close quarters situation of approach and TCQA time close quarters Situation of approach are adapted to judge the close quarters situation or the risk of collision between own ship and target ship
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