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Sensors 2016, 16(7), 1048; doi:10.3390/s16071048

A Cyber-Physical System for Girder Hoisting Monitoring Based on Smartphones

1
State Key Laboratory of Coastal and Offshore Engineering, Dalian University of Technology, Dalian 116000, China
2
School of Civil Engineering, Dalian University of Technology, Dalian 116000, China
3
School of Electronic Science and Technique, Dalian University of Technology, Dalian 116000, China
4
School of Software Technology, Dalian University of Technology, Dalian 116000, China
*
Author to whom correspondence should be addressed.
Academic Editor: Mianxiong Dong
Received: 18 May 2016 / Revised: 23 June 2016 / Accepted: 4 July 2016 / Published: 7 July 2016
(This article belongs to the Special Issue New Paradigms in Cyber-Physical Social Sensing)

Abstract

Offshore design and construction is much more difficult than land-based design and construction, particularly due to hoisting operations. Real-time monitoring of the orientation and movement of a hoisted structure is thus required for operators’ safety. In recent years, rapid development of the smart-phone commercial market has offered the possibility that everyone can carry a mini personal computer that is integrated with sensors, an operating system and communication system that can act as an effective aid for cyber-physical systems (CPS) research. In this paper, a CPS for hoisting monitoring using smartphones was proposed, including a phone collector, a controller and a server. This system uses smartphones equipped with internal sensors to obtain girder movement information, which will be uploaded to a server, then returned to controller users. An alarming system will be provided on the controller phone once the returned data exceeds a threshold. The proposed monitoring system is used to monitor the movement and orientation of a girder during hoisting on a cross-sea bridge in real time. The results show the convenience and feasibility of the proposed system. View Full-Text
Keywords: cyber-physical systems; offshore hoisting monitoring; smartphone sensors; accelerometer; gyroscope cyber-physical systems; offshore hoisting monitoring; smartphone sensors; accelerometer; gyroscope
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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).

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MDPI and ACS Style

Han, R.; Zhao, X.; Yu, Y.; Guan, Q.; Hu, W.; Li, M. A Cyber-Physical System for Girder Hoisting Monitoring Based on Smartphones. Sensors 2016, 16, 1048.

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