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Sensors 2017, 17(11), 2485; https://doi.org/10.3390/s17112485

Development of a Shipboard Remote Control and Telemetry Experimental System for Large-Scale Model’s Motions and Loads Measurement in Realistic Sea Waves

1
School of Civil Engineering and Transportation, South China University of Technology, Guangzhou, China
2
College of Shipbuilding Engineering, Harbin Engineering University, Harbin 150001, China
3
Department of Marine Engineering and Maritime Operations, Jomo Kenyatta University of Agriculture and Technology, P.O. Box 62000–00200 Nairobi, Kenya
*
Author to whom correspondence should be addressed.
Received: 1 October 2017 / Revised: 27 October 2017 / Accepted: 27 October 2017 / Published: 29 October 2017
(This article belongs to the Special Issue Smart Sensors for Mechatronic and Robotic Systems)

Abstract

Wave-induced motion and load responses are important criteria for ship performance evaluation. Physical experiments have long been an indispensable tool in the predictions of ship’s navigation state, speed, motions, accelerations, sectional loads and wave impact pressure. Currently, majority of the experiments are conducted in laboratory tank environment, where the wave environments are different from the realistic sea waves. In this paper, a laboratory tank testing system for ship motions and loads measurement is reviewed and reported first. Then, a novel large-scale model measurement technique is developed based on the laboratory testing foundations to obtain accurate motion and load responses of ships in realistic sea conditions. For this purpose, a suite of advanced remote control and telemetry experimental system was developed in-house to allow for the implementation of large-scale model seakeeping measurement at sea. The experimental system includes a series of technique sensors, e.g., the Global Position System/Inertial Navigation System (GPS/INS) module, course top, optical fiber sensors, strain gauges, pressure sensors and accelerometers. The developed measurement system was tested by field experiments in coastal seas, which indicates that the proposed large-scale model testing scheme is capable and feasible. Meaningful data including ocean environment parameters, ship navigation state, motions and loads were obtained through the sea trial campaign. View Full-Text
Keywords: ship seakeeping test; motions and loads measurement; remote control and telemetry system; GPS/INS system; fiber optic sensor; marine physical sensors ship seakeeping test; motions and loads measurement; remote control and telemetry system; GPS/INS system; fiber optic sensor; marine physical sensors
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Jiao, J.; Ren, H.; Adenya, C.A.; Chen, C. Development of a Shipboard Remote Control and Telemetry Experimental System for Large-Scale Model’s Motions and Loads Measurement in Realistic Sea Waves. Sensors 2017, 17, 2485.

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