1
Jim Henry
College of Engineering and Computer Science
University of Tennessee at Chattanooga
MECCA Country Store Conference
Memphis -- June, 1998
2
Experimental Laboratory
Education Delivery
on the Internet
Jim Henry
College of Engineering and Computer Science
University of Tennessee at Chattanooga
MECCA Country Store Conference
Memphis -- June, 1998
2
Experimental Laboratory
Education Delivery
on the Internet
4
Education Delivery
on the Internet
5
Experimental Laboratory
on the Internet
3
Introduction
Good News-Bad News
Laboratory Systems
Connection Modes
Future
7
Introduction
Good News-Bad News
Laboratory Systems
Connection Modes
Future
8
•
What is
" Experimental Laboratory
Education Delivery
on the Internet "?
17
What is
" Experimental Laboratory
Education Delivery
on the Internet "?
Laboratory experiments
and instruction delivery
offered via the WEB
17
Why do
" Experimental Laboratory
Education Delivery
on the Internet "?
-Accommodates Scheduling Problems
--Can serve equipment-challenged campuses
---It's all the go to get on the Web
----I enjoy doing this stuff
17
Where is
" Experimental Laboratory
Education Delivery
on the Internet "?
http:// chem.engr.utc.edu
17
Where is
" Experimental Laboratory
Education Delivery
on the Internet "?
http:// chem.engr.utc.edu
On-Line Laboratory Resource Center
(more later)
17
Introduction
Good News-Bad News
Laboratory Systems
Connection Modes
Future
14
Good NewsHardware
experiments
It works
It's free
19
Good NewsBad News
Hardware
experiments
Managing "distant"
students
It works
Adding new systems
is done manually
It's free
20
Challenges
Managing "distant"
students
Adding new systems
is done manually
21
Challenges
Response
Learning
communities
Automate
system
expansion
Managing "distant"
students
Adding new systems
is done manually
21
More... Challenges
Not “hands on”
21
More... Challenges
Response
Audio link
Not “hands on”
Video link
More ?
21
Introduction
Good News-Bad News
Laboratory Systems
Connection Modes
Future
21
Introduction
Good News-Bad News
Laboratory Systems
Connection Modes
Debunking the
hardware difficulties
Future
22
Laboratory Systems
OUTPUT
INPUT
SYSTEM
4
Laboratory Systems
OUTPUT
INPUT
SYSTEM
Computer
Analog
or digital
INPUT
4
Laboratory Systems
OUTPUT
INPUT
SYSTEM
Analog
or digital
OUTPUT
Computer
Analog
or digital
INPUT
4
Laboratory Systems
Analog
or digital
OUTPUT
Computer
Analog
or digital
INPUT
4
Laboratory Systems
Data Acquisition
and Control
Analog
or digital
OUTPUT
Computer
Analog
or digital
INPUT
4
Laboratory Systems
Data Acquisition
and Control
LabVIEW, e.g.
Computer
4
Laboratory Systems
Data Acquisition
and Control
LabVIEW, e.g.
Computer
Plug-in cards
4
Laboratory Systems
Data Acquisition
and Control
LabVIEW, e.g.
Computer
Plug-in cards
or
Serial ports
4
Laboratory Systems
Network Connection
Computer
4
Laboratory Systems
Network Connection
Server software
Computer
4
Laboratory Systems
Network Connection
Server software
LabVIEW, e.g.
Computer
4
Put it all together
Network Connection
Computer
Input/Output
SYSTEM
4
Laboratory
Equipment Details
8 - Stations All S.I.S.O.
Temperature
Level
Position
Speed
Flow
Pressure
Pendulum*
Voltage
Computers
DAQ & control, networked
6
Temperature Station
7
More... Laboratory
Equipment Details
9 - Stations
M.I.M.O.
Absorber
Dehumidifier
Heat Exchanger
Drying Oven
Heat Pump
Distillation
Combustion
Filter Press
Cooling Tower
Evaporator
Some now under development for Web
8
Inputs -- (4)
•Feed composition
•Feed flow rate
•Reflux percentage
•Reboiler heat
Outputs
•Tray temperatures -- (14)
•Products comp’n -- (2)
9
Introduction
Good News-Bad News
Laboratory Systems
Connection Modes
Future
39
Introduction
Good News-Bad News
Debunking the
network difficulties
Laboratory Systems
Connection Modes
Future
40
Connection Modes
Web
or
Direct
Connection Modes
Web
“Batch”
or
Direct
or
“Instant”
“Timesharing”
Web Connection
Web Connection
INTERNET . . . . .
Microsoft
Internet
Server
LabSERVER
File Sharing
LabCLIENTs
Web Connection
INTERNET . . . . .
Microsoft
Internet
Server
LabSERVER
File Sharing
LabCLIENTs
Web Connection
INTERNET . . . . .
Standard HTTP
Microsoft
Internet
Server
Web Connection
INTERNET . . . . .
Standard HTTP
Microsoft
Internet
Server
Instruction &
Experimental Design
Web Connection
INTERNET . . . . .
Microsoft
Internet
Server
LabSERVER
File Sharing
LabCLIENTs
Web Connection
INTERNET . . . . .
LabSERVER
Web Connection
INTERNET . . . . .
(Coded)
LabSERVER
Experiment Specifications
Web Connection
INTERNET . . . . .
Custom
“LGI”
LabSERVER
Sine/Level,time=15,
amplitude=25,
baseline=50,freq=0.4
Web Connection
INTERNET . . . . .
Microsoft
Internet
Server
LabSERVER
File Sharing
LabCLIENTs
Web Connection
LabSERVER
File Sharing
LabCLIENTs
Web Connection
LabSERVER
Experimental
Specs
File Sharing
LabCLIENTs
Web Connection
LabSERVER
Experimental
Results
(Data files)
File Sharing
LabCLIENTs
Web Connection
INTERNET . . . . .
HTML
pages
Graphs,
Data files
LabSERVER
Web Software
Web Software
INTERNET . . . . .
Microsoft NT
Internet
Information
Server
LabVIEW
File Sharing
LabVIEW
Web Hardware
Web Hardware
INTERNET . . . . .
PC Dual
Pentium
300
PC Dual
Pentium 300
File Sharing
Various
PCs &
Macs
Web Demonstration
With demonstration of
lesson assignment
30
Direct Connection
Your
Computer
INTERNET . . . . .
TCP/IP
LabCLIENTs
Direct Hardware
Your
Computer
INTERNET . . . . .
TCP/IP
PCs & Macs
Direct Software
LabVIEW or
Application
INTERNET . . . . .
TCP/IP
LabVIEW 5
Direct Software
LabVIEW or
Application
Free
Software
INTERNET . . . . .
TCP/IP
LabVIEW 5
Direct Demonstration
30
Introduction
Good News-Bad News
Laboratory Systems
Connection Modes
Future
67
Challenges
& Extensions
Technical
More Labs (MIMO Processes)
Ease of expansion
“Webbing” with others
Safety
Fuzzy Control
Managerial
Managing Student Progress
31
Plans
On-Line Laboratory Resource Center
World-Wide and Web-based
Multi-disciplinary
Many “Lab Servers”
32
Plans
On-Line Laboratory Resource Center
World-Wide and Web-based
Multi-disciplinary
Many “Lab Servers”
On-Line Learning Communities
World-Wide and Web-based
Discipline specific
32
Challenge to you
Take these ideas, these programs
Use them
Adapt them
Share them
32
Acknowledgements
Tennessee Taxpayers
National Science Foundation
UTC's Center for Excellence
in Computer Applications
National Instruments Corp
32
THE END
33
Really THE END
34