Transcript Data Acquisition System for the AESD

ARD, Carderock Division, Bayview,ID
Project Professors: Dr. Herb Hess & Dr. Brian Johnson
DATA ACQUISITION
SYSTEM FOR THE AESD
DETAILED DESIGN REVIEW
SEPTEMBER 30, 2008
Team : SEADAQ
Members: Jarred Coulter
Zane Sapp
Vishu Gupta
Overview
2

Goals for Fall 2008
 Design
Goals
 Timeline- Fall 2008

Accomplishments to date
 Sensors
 LabVIEW
Programming
 DFMEA


Work to be completed
Questions
Goals for Fall 2008
3


Design goals
Timeline: Fall 2008
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

Timeline: Fall 2008
5
Accomplishments to date
6

Redesigned Voltage Sensors

LabVIEW Programming

DFMEA
Sensors
7

Redesigned Voltage Sensors
 Less
power consumption
 Only one voltage reference
 Simplified design
 Linear input to output
Voltage Sensor Schematic
8
Voltage Sensor Simulation
9
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
Flow Diagram of the Program
11
Front Panel: Control
12
Front Panel: Error
13
Front Panel: Output Display
14
DFMEA
15
Work to be completed
16



Thermocouple interface
GPS
Testing and Calculations
 Latency

LabVIEW programming
 Switch

and Power consumption
Control
Multi-Chassis configuration
 Star
or series connection
 Meeting
with NI Engineer on October 9th.
Questions
17