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

OutlineOutline

Introduction Project Overview Project Activities Resources and Schedule Summary

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

AcknowledgementAcknowledgement

David Gardner Randy Hoskin

Problem Statement Problem Statement

General Background Convert current EE lab to ELVISConvert current EE lab to ELVIS Document the conversion processDocument the conversion process

Problem Statement Problem Statement

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

Operating EnvironmentOperating Environment

Standard laboratory condition IndoorsIndoors Clean airClean air

PC with Windows

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

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

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

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

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

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

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

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

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

Personnel Effort Personnel Effort

0

20

40

60

80

100

120

MichaelBallou

RyanHankins

Jason Salz DavidSchmidt

Dayu Zhou

Ho

urs Estimated Hours

Actual Hours

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

Project ScheduleProject Schedule

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%)

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

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

QuestionsQuestions

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