Tablet Control System for Offshore Support and Research Vessel — Development, Implementation, and Operational Testing—
- Nobukazu Wakabayashi (Kobe University) | Takayuki Watanabe (Kobe University) | Misako Urakami (National Institute of Technology) | Yoshiji Yano (Kobe University)
- Document ID
- International Society of Offshore and Polar Engineers
- The 28th International Ocean and Polar Engineering Conference, 10-15 June, Sapporo, Japan
- Publication Date
- Document Type
- Conference Paper
- 2018. International Society of Offshore and Polar Engineers
- Electronic Chart System (ECS), User Interface, Cruise Control, Ship Handling, Tablet Computer (Tablet), Wireless LAN
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- 13 since 2007
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While conducting oceanic support, observations, and/or research, there are instances when offshore support, observation, and research vessels find it desirable to be able to control maneuvering from shipboard locations other than from the Bridge. The use of transceivers or interphones to convey orders or information is, unfortunately, simply one-way communication so that it is not possible to obtain return operational input data from them. This particularly true for navigational information that is normally obtained via instruments located on the Bridge. Introduced in this paper is a maneuvering and operational control system that makes effective use of a Tablet Computer -hereafter referred to simply as “Tablet” - to control maneuvering functions from any shipboard location via LAN and/or Wi-Fi. The effective utilization of this system requires only simple touches to tabs on the Tablet screen to not only effectively display navigational and engine data, reference charts, and plots of the own ship's position, but also to effectively convey instructions to actuators and/or operational equipment controlling Rudder, Engine, and Thrusters operations as well as to the Heading Control System1 (HCS), Track Control System (TCS), and Dynamic Positioning2 (DP) systems. Regarding this, the development, implementation, and testing of the system - including the layouts of the appropriate Tablet Screen Displays in actual test situations - are described.
The common procedure for effectively maneuvering large, heavy ships has been for the officer in charge of the Bridge to visually observe all operational conditions, and then - whenever required by various circumstances as they arise - to orally issue orders to the crew member at the Helm to take the steps necessary to effectively maneuver the ship by altering the setting of the appropriate mechanical devices.
On the other hand, some types of ships - such as ferries - are equipped with a function that extends the Controller so that the captain can remotely control ship movements directly by manipulating the Rudder and Thrusters from positions other than the Bridge - such as a Bridge Wing - in order to perform docking and undocking maneuvers. The development of the operational joystick has made it possible to automatically control Rudder and Thruster Actuators in order to set and maintain speed and attitude.
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