Oregon State University Marine Technical Group 2009-2010 SUDS Upgrade.

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Presentation transcript:

Oregon State University Marine Technical Group SUDS Upgrade

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

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

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

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

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

Distribution Local Sacrificial Servers - on user accessible network Onboard User Access o Files - Internal Archive o Graphs - Near Real-time o Streams - (TCP, Serial,...) Near Real-time Dissemination Off Ship o Repositories o Archives o Special Users (VOS, SAMOS, R2R, per cruise,...)VOSSAMOSR2R o Data Volume Oregon State University Ships Underway Data System

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