Abstract
ABSTRACTThis paper describes a knowledge representation approach and reasoning implementation in a real‐time knowledge‐based control system (KBCS) for navigating ships in restricted waters. This shipboard piloting expert system (SPES) is being developed as an intelligent node in Sperry Marine's ExxBridge integrated ship's bridge system (IBS) for Exxon Shipping Company tankers. The SPES is intended to provide decision support to ships' navigation officers while piloting large vessels in restricted waters, and to reduce the information overload under which they labor, by incorporating local, transit‐specific, and shiphandling knowledge, and by providing requisite decision support in a timely fashion. As such, the system provides decision support to (1) senior ships' pilots training junior pilots; (2) ships' masters training junior deck officers in the essentials of good piloting and shiphandling; and (3) watchstanding deck officers utilizing the system's on‐line reminder and assist capabilities, or off‐line simulation and contingency planning functionality.
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