1. DATA ACQUISITION SYSTEM FOR THE AESD Team : SEADAQ Members: Jarred Coulter Zane Sapp Vishu Gupta DETAILED DESIGN REVIEW SEPTEMBER 30, 2008 ARD, Carderock Division, Bayview,ID Project Professors: Dr. Herb Hess & Dr. Brian Johnson

2. Overview  Goals for Fall 2008  Design Goals  Timeline- Fall 2008  Accomplishments to date  Sensors  LabVIEW Programming  DFMEA  Work to be completed  Questions 2

3. Goals for Fall 2008 3  Design goals  Timeline: Fall 2008

4. Design Goals 4  Switching Scheme for Controlling Sensors Disconnect input from batteries Disconnect output from DAQ  LabVIEW Programming Data Management  GPS Interface Location stamping GPIB Interface  Temperature data  Testing/Calculations Latency and Power Consumption Cost per channel and BW for multiple chassis configuration

5. Timeline: Fall 2008 5

6. Accomplishments to date 6  Redesigned Voltage Sensors  LabVIEW Programming  DFMEA

7. Sensors 7  Redesigned Voltage Sensors  Less power consumption  Only one voltage reference  Simplified design  Linear input to output

8. Voltage Sensor Schematic 8

9. Voltage Sensor Simulation 9

10. LabVIEW Program for the DAQ 10  Program to control the DAQ and manage the data.  Easy Control for data acquisition  Display data real-time  Save the data to a file in a specified location  Data available outside LabVIEW for viewing/analysis

11. Flow Diagram of the Program 11

12. Front Panel: Control 12

13. Front Panel: Error 13

14. Front Panel: Output Display 14

15. DFMEA 15

16. Work to be completed 16  Thermocouple interface  GPS  Testing and Calculations  Latency and Power consumption  LabVIEW programming  Switch Control  Multi-Chassis configuration  Star or series connection Meeting with NI Engineer on October 9 th.

17. Questions 17