NDLI: System engineering at the edge of a cabled ocean observatory

Content Provider	IEEE Xplore Digital Library
Author	Phibbs, P. Mihaly, S. Jones, R.
Copyright Year	2009
Description	Author affiliation: Institute of Ocean Sciences, 9860 West Saanich Rd, PO Box 6000, Sidney BC Canada V8L 4B2 (Mihaly, S.) \|\| Asoftek Systems, 12 - 849 Tobruck Avenue, North Vancouver, BC, V7P 1V9, Canada (Jones, R.) \|\| University of Victoria, PO Box 1700 STN CSC, BC Canada V8W 2Y2 (Phibbs, P.)
Abstract	A cabled ocean observatory such as NEPTUNE Canada is a complex system of systems. Technologies include software, firmware, DC power systems, electrical and optical communication systems, subsea cable and connector design, pressure housings and material compatibility to pressure and salt water, as well as instrument transducers and control systems. These systems are designed and built by a variety of manufacturers, each of whom brings a different level of experience to the work. In addition, many of the instruments are development prototypes that are provided without the benefit of a long prototyping and qualification process. Once deployed, equipment must have a long operating life. The cost of a cruise and ROV intervention to maintain a piece of equipment will often exceed the cost of the equipment. Cost effective cruise planning requires that the state of the equipment to be maintained be known before going on site. The only means of diagnosing subsea equipment health is through the communications system via software interfaces. The information comes from a variety of simple measuring devices, selected by the engineering team on the basis of long life and necessity. This paper will present the case that all of the systems that make up a cabled ocean observatory must be closely intertwined for the observatory to succeed. Using the trial deployment of a NEPTUNE Canada instrument module on the VENUS observatory as an example, this paper will consider the issues for the system engineering team of integrating the observing instruments with the network and the control software..
Starting Page	1
Ending Page	8
File Size	1771854
Page Count	8
File Format	PDF
ISBN	9781424425228
DOI	10.1109/OCEANSE.2009.5278114
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2009-05-11
Publisher Place	Germany
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Systems engineering and theory Oceans Observatories Instruments Power cables Costs Communication system software Software systems Control systems Prototypes
Content Type	Text
Resource Type	Article

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