Abstract
The article presents an expert system supporting the design of ship’s power subsystems, in particular the thruster subsystem. The proposed hybrid expert system uses the results of simulation tests as the additional source of knowledge. The results of system operation are collated in a report which can be used as part of ship design description. The work oriented on developing the expert system is the continuation of the research carried out in cooperation with the shipyard’s design office, the main aim of which was to automate selected stages of the ship’s design process. The hybrid expert system for computer-aided design of ship thruster subsystems can support designers by creating part of the technical description of the thruster subsystem, evaluation of static and dynamic properties, and by checking if design solutions have met the requirements of classification societies. Additionally, the expert system supports collecting and providing information about the elements and structures of the thruster subsystem. Finally, the system provides a document with the description of the thruster structure and elements used in it. The proposed expert system is dedicated to the initial design stages.
Highlights
The ship design process is complicated and causes a lot of problems for designers
Several types of designs can be named which should be prepared before the ship is built, including: the offer design (OD), the contract design (CD), and the executive design (ED)
After finishing the ship construction, the as-built documentation (ABD) is prepared, which takes into account changes which arose during the shipbuilding
Summary
Several types of designs can be named which should be prepared before the ship is built, including: the offer design (OD), the contract design (CD), and the executive design (ED). After finishing the ship construction, the as-built documentation (ABD) is prepared, which takes into account changes which arose during the shipbuilding. The documentation is created regarding the construction of the hull, electrical equipment, fire protection systems, etc. One of the design tasks is correct preparation of the design of a separate electricity grid. The regulations of classification societies determine, among other things, the overload resistance requirements for the ship power system, including overload time duration and acceptable voltage changes in this system.
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