120 likes | 537 Views
Testing Ran tests on different systems Measured Voltage, Current, Temperature Real-time display of the measured values No errors observed Data saved to specified file Time and location stamp for data Latency: 1 Second. Sponsor: ARD, Carderock Division, Bayview, ID. Background.
E N D
Testing • Ran tests on different systems • Measured Voltage, Current, Temperature • Real-time display of the measured values • No errors observed • Data saved to specified file • Time and location stamp for data • Latency: 1 Second Sponsor: ARD, Carderock Division, Bayview, ID Background ECE Senior Design 2008 GPS • Range: -452.2˚F to 1562˚F • Cost ≈ $1.00 per ft Figure 7: Voltage Sensor Schematic Lab Setup Figure 10: Front panel: Control Tab LabVIEW ™ Software Figure 6: Voltage Sensor Circuit Battery Bank Figure 2: Type K Thermocouple Horz = 12V Vert = 12V Figure 12: Front panel: Output Voltage Graphs Figure 1: AESD Electric Vehicle Data Acquisition System The Advanced Electric Ship Demonstrator (AESD) is a ¼ scale destroyer used to monitor acoustics, test electrical systems and propulsion technologies on this advanced ship. Figure 9: Experimental Results Figure 8: Simulation Results National Instruments™ (NI) DAQ Specifications Goals • Design a Data Acquisition System (DAQ) to interface with the existing systems on the AESD to: • Manage and display data from the propulsion system and UPS batteries. • Battery Voltage (V), String Current (A) & Temperature (F) • Correlate data with the GPS. • Graphical display • On board data storage buffer. • Expandable Architecture • System runtime: 8 Hours • Sampling Rate: 333 ks/s • Up to 280 Channels/DAQ Device • 16-Bit ADC Resolution • High Bandwidth: 110 Mb/s and up to 250 Mb/s • PC and Laptop Compatible • Rugged Design for Industrial Applications Figure 4: LEM Current Sensor Figure 3: ABB Voltage Sensor Figure 11: DAQ Hardware Diagram • ±1% Accuracy at 25 ̊C • Adjustable Ranges: • 5, 10, 20 Amp Max • Cost ≈ $400 per unit • Range: 0 to 500 V • Output Voltage: 0 to 10 V • ± 0.2% Accuracy at 25 ̊C • Cost ≈ $250 per unit Team Seadaq Figure 5: Lab Model Jarred Coulter Vishu Gupta Zane Sapp Team Advisor: Prof. Herbert L. Hess Designed Voltage Sensors • Low Power Consumption • Only one voltage reference or ground reference • Linear input to output • Cost ≈ $5.00 per unit Team Seadaq would like to thank: Alan Griffitts, Dr. Brian K. Johnson, Dr. Chris Wagner, Karen Cassil, Arleen Furedy, Dorota Wilk and Justin Schlee