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Oregon State University Marine Technical Group

Oregon State University Marine Technical Group. 2009-2010 SUDS Upgrade. Oregon State University Ships Underway Data System. OSU MTG Members  Sponsor National Science Foundation System Description Measurement, Conversion, and Data Transmission Format - David O’Gorman

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Oregon State University Marine Technical Group

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  1. Oregon State UniversityMarine Technical Group 2009-2010 SUDS Upgrade

  2. Oregon State University Ships Underway Data System OSU MTG Members  Sponsor National Science Foundation System Description Measurement, Conversion, and Data Transmission Format -David O’Gorman Transport, Recording, and Distribution -Toby Martin Questions

  3. Oregon State University Ships Underway Data System System Overview Phenomenon (Rainfall, Wind Speed, etc)  > Sensor > Electrical Signal (Serial Stream, Voltage, Frequency, etc.)  > Conversion > Transmission > Recording  > Distribution

  4. Oregon State University Ships Underway Data System Sensors Direct - 32 Signals From 27 Sensors Multiple Signals per Sensor - PIR, Mech. Wind Multiple Sensors - Wind, Air Temp Combined Metrics - Salinity, 'True' Wind

  5. Oregon State University Ships Underway Data System Digital Conversion Old Keithley and Adam Modules Direct Serial Links New OSU DAS Boards NTP Time Synced Network Interface Serial Analog Provide Local Power Custom Adaptable

  6. Oregon State University Ships Underway Data System Data Selection Raw Values Processed values Meta Data Location, name, etc. Everything With Every Sample Data Formatting For Transmission CSV, XML, KVP, SNMP XML Readability Clear and Simple Association of data and Metadata Large, but comprehensive

  7. Oregon State University Ships Underway Data System Transport • Security (malicious, inadvertent) • Isolated Network • Redundant Aggregation • Protocol (TCP vs UDP) • Reliability (Delivery Guarantee) • Flexibility • Scalability • Overhead

  8. Oregon State University Ships Underway Data System Recording Streaming Logs - Per Acquisition Board Sensor Files - Per Sensor (Primary And Virtual) File Partitioning - Convenience Processing Interval Offloading Interval Time Size

  9. Oregon State University Ships Underway Data System Distribution Local Sacrificial Servers - on user accessible network Onboard User Access Files - Internal Archive Graphs - Near Real-time Streams - (TCP, Serial, ...) Near Real-time Dissemination Off Ship Repositories Archives Special Users (VOS, SAMOS, R2R, per cruise,...) Data Volume

  10. Oregon State University Ships Underway Data System Summary • Network Sensor interface • Increase Sample Frequency • Ease of use for Users and Technicians • Questions and Comments ?

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