| With the increasing demand for navigation, more and more navigation devices have been applied to ship. To break through the limitation of single navigation device, such as Radar navigation, Inertial navigation, Loran-c navigation, ship integrated navigation was created. Ship integrated navigation can receive all sorts of information sent by different navigation devices, process received information through Information fusion technology processing, and provide the optimal navigation information which simultaneously is displayed on the human machine interface to the captain or relevant department. The plan of course will be determined based on the optimal navigation information, And through the chart of information in the system to record the moving waters. When beyond the sea, the alarm will be triggered.For the ship integrated navigation system, there are five modules:(1) The interface management, received a variety of AIDS to navigation information validity checking, parsing. (2) Information process, to effective navigation information fusion processing, and provides the optimal navigation information.(3) The plan route, complete the route of add, delete, modify, send and receive.(4) The sea chart alarm, through the alarm prompt ship to adjust course long.(5) Chart parameter binding, the new sea chart information input system, to provide safe and effective navigation plan chart information.During my internship, I participated in the development, test, maintenance of ship integrated navigation display control system. Specific content is as followed:(1).I took part in the software demand analysis of ship integrated navigation system, carefully understood the desirable function and compiled requirement specification.(2).I participated in the design of ship integrated navigation display and control system, as what is requested in requirement specification. A functional and non-functional framework has been designed to smooth the future work in software development.(3).According to design and demand analysis, effort has been made in writing codes for a section of ship integrated navigation to realize relevant function, including Information processing module, interface management module, basic navigation route module, the realization of information display module and alarm module.(4).I participated in the test of ship integrated navigation system. Through the test to each module configuration test and system test, whether the function and non-function in requirement specification are realized in this system can be certified.(5).I participated in the maintenance of this system, when something wrong occurred, a timely debugging would be conducted.Through what has been mentioned above, ship integrated navigation has met the requirement. It can realize concentration of navigation information display, centralized control of the navigation information function. This system is reliable and spontaneous, at the same time, it is easily to maintain and upgrade. |
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