Publication:
Automatic web-based calibration of network-capable shipboard sensors

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Authors
Le, Charles Khang Duy
Subjects
Advisors
Yun, Xiaoping
Date of Issue
2007-09
Date
Publisher
Monterey, California. Naval Postgraduate School
Language
Abstract
This thesis investigates the feasibility of developing an automatic web-based sensor calibration system with four main objectives. The first objective was to reduce the number of personnel required to calibrate shipboard sensors. The second was to reduce the time required to complete the calibration process. The third was to develop a platform independent and user-friendly interface using the web browser. The fourth was to allow operators to calibrate the sensors remotely from thousands of miles away. This was achieved by using the commercial off the shelf (COTS) products, developing in-house hardware, setting up a web server and developing numerous software programs in Labview and Java languages to allow operators to remotely monitor, and control the calibration process. All communication and control algorithms are handled by two computers. One serves as a web server, equipped with java codes and web pages to interface with an operator. The other serves as a data collector. It collects data from all sensors via the network, passes these data to the web server computer and then to the operator?s web browser. It also runs a calibration algorithm on a selected sensor as requested by the user. The two computers communicate with one another via the ship?s LAN using UDP packets.
Type
Thesis
Description
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Department
Organization
Naval Postgraduate School (U.S.)
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NPS Report Number
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Format
xxii, 111 p. : ill. (chiefly col.) ;
Citation
Distribution Statement
Approved for public release; distribution is unlimited.
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