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Educational Laboratory Educational Laboratory Virtual Instrumentation Virtual Instrumentation
Suite (ELVIS)Suite (ELVIS)
May 03-19Client: National Instruments
Advisors: Dr. Mani Mina, Dr. Diane RoverGroup Members:Michael Ballou – CprE
Ryan Hankins – EEJason Salz – EE
David Schmidt – CprEDayu Zhou - EE
30 May 2003
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OutlineOutline
Introduction Project Overview Project Activities Resources and Schedule Summary
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DefinitionsDefinitions
Educational Laboratory Virtual Instrumentation Suite (ELVIS) – A hardware data acquisition system
Data acquisition (DAQ) – The process of collecting and measuring electrical signals from sensors and transducers and inputting them to a computer for processing
LabVIEW – A graphical programming language used for creating test, measurement, and automation applications, developed by National Instruments
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AcknowledgementAcknowledgement
David Gardner Randy Hoskin
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Problem Statement Problem Statement
General Background Convert current EE lab to ELVISConvert current EE lab to ELVIS Document the conversion processDocument the conversion process
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Problem Statement Problem Statement
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General SolutionGeneral Solution
Redo EE 201 labs Write instructions for students Find volunteer to follow the
instructions Develop new interfaces Test Document the conversion process
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Operating EnvironmentOperating Environment
Standard laboratory condition IndoorsIndoors Clean airClean air
PC with Windows
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Intended User and UsesIntended User and Uses
User Instructors or TAs who intend to use ELVIS in Instructors or TAs who intend to use ELVIS in
their circuit or electronics labstheir circuit or electronics labs
Uses Help users with conversion process Help users with conversion process
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Assumptions and LimitationsAssumptions and Limitations
Assumptions ELVIS bundle from NI in working conditionELVIS bundle from NI in working condition The group can create virtual instruments that The group can create virtual instruments that
are not provided are not provided
Limitations No current or inductance measurement No current or inductance measurement
capacity capacity Measurement inaccuracy Measurement inaccuracy Limited knowledge of internal designLimited knowledge of internal design
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End-Product Description and End-Product Description and DeliverablesDeliverables
Selected labs will be converted to ELVIS system
New instructions for selected labs Documentation of conversion
process
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Present AccomplishmentsPresent Accomplishments
Familiarity with ELVIS hardware and software
Carried out EE 201 labs 1, 5 and 6 with the ELVIS system
Produced new documentation for completing EE 201 labs 1, 5 and 6 with the ELVIS system
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Approaches Considered and Approaches Considered and UsedUsed
Considered Creating new virtual instrumentsCreating new virtual instruments Individually converting every lab for use with Individually converting every lab for use with
ELVISELVIS
Used Decided to use Virtual Instruments provided by Decided to use Virtual Instruments provided by
NI for their ease of use and functionalityNI for their ease of use and functionality Focused on key labs which made use of Focused on key labs which made use of
different features of ELVISdifferent features of ELVIS
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Research and Design ActivitiesResearch and Design Activities
Research Read National Instrument’s ELVIS manualRead National Instrument’s ELVIS manual Researched how others are using ELVISResearched how others are using ELVIS
Design Updated labs to make use of unique Updated labs to make use of unique
capabilities present in the ELVIS systemcapabilities present in the ELVIS system
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Implementation ActivitiesImplementation Activities
Took notes as we implemented several EE 201 labs using ELVIS
Created new lab instructions for the labs that could be completed with ELVIS
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Testing ActivitiesTesting Activities
Asked a EE major to follow our new lab instructions
Asked a ChemE major to follow our new lab instructions
Reviewed our own instructions to ensure completeness
Tested the accuracy of ELVIS
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Test ResultsTest Results
Resistance Error
-50.00%
0.00%
50.00%
100.00%
150.00%
200.00%
250.00%
300.00%
10 33 100 330 1k 3.3k 10k 33k 100k 330k 1M
Resistor Label
Per
cen
t E
rro
r
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Personnel Effort Personnel Effort
0
20
40
60
80
100
120
MichaelBallou
RyanHankins
Jason Salz DavidSchmidt
Dayu Zhou
Ho
urs Estimated Hours
Actual Hours
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Financial BudgetFinancial Budget
Item Estimated Cost Actual Cost
Materials provided by National Instruments $10,000 $10,000
Poster $100 $63
Total $10,100 $10,063
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Project ScheduleProject Schedule
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Project EvaluationProject Evaluation
Analyze necessary virtual instruments (100%) Completion of virtual instrument interface (100%) Completion of necessary documentation (100%) Completion of testing (100%) Revision (100%) Working demonstration of ELVIS (100%)
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ClosingClosing
Commercialization No commercial applicationNo commercial application Used by ECpE departmentUsed by ECpE department
Additional Work Re-evaluate ELVIS using non-prototype unitRe-evaluate ELVIS using non-prototype unit
Lessons Learned Time ManagementTime Management Team CommunicationTeam Communication
Risk Management
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SummarySummary
Project Goals Evaluate ELVIS for ECpEEvaluate ELVIS for ECpE Document conversion processDocument conversion process
Approach Taken Utilize tools provided by NIUtilize tools provided by NI Preserve educational concepts taught in labPreserve educational concepts taught in lab
End Result Sample of EE 201 labs Sample of EE 201 labs Conversion documentationConversion documentation
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QuestionsQuestions
?