7 Years Experience with Web Laboratories Jim Henry, Ph.D., P.E. College of Engineering and Computer Science University of Tennessee at Chattanooga USA ICEE 2003 UPV, Valencia, SPAIN

7 Years Experience with Web Laboratories Jim Henry, Ph.D., P.E. College of Engineering and Computer Science University of Tennessee at Chattanooga USA 8 ICEE 2003 UPV, Valencia, SPAIN

Valencia, SPAIN Chattanooga, Tennessee, USA

What are " Web Laboratories "? REAL Lab experiments for engineering education offered via the WEB Enhance student learning opportunities Distribute equipment use over time and place …. All systems available at no charge 24 x 7 FIFO

7 Years, 4 Generations FTP, file writing http, Web Forms, Batch TCP/IP Direct Control Remote Control Panels Gen-0 Gen-1 Gen-2 Gen-3

Step Input Results Input = 50%, t < 5 sec Input = 90%, t > 5 sec 40K t o  Generation 1

Remote Panels INTERNET..... Your Computer Lab Computer

Generation 3

7 Years, 4 Generations Engineering Controls Stations Chemical Engineering Stations Environmental Engineering Stations Mechanical Engineering Stations

Engineering Controls Stations Pressure Control Level Control Speed Control Voltage Control Temperature Control Flow Control Position Control

Pressure Temperature Flow

Level, 2-tanks Speed and Voltage

Chemical Engineering Stations Distillation Heat exchanger Flow through porous media Natural gas combustion Pressure-swing adsorption Packed bed absorption Batch drying

Distillation Pressure Swing Absorption

Environmental Engineering Stations Packed bed stripping Combustion emissions

Mechanical Engineering Stations Forced vibration Heat exchanger Journal bearing statics and dynamics Kinematics of slider-crank mechanism

Mechanical Engineering Stations

Diponegoro University, Indonesia University of Koeln, Germany

May-June, 2001

7 Years to come OPPORTUNITIES with Web Laboratories Collaboration, collaboration, collaboration Multi-institutional equipment sharing Generation-4, 5, … Increased student learning support ? Brazil Canada Colombia Finland Greece India ItalyJapan Malaysia Norway RomaniaSlovenia Spain Sweden Switzerland Taiwan Tunisia UK USA

Web Site chem.engr.utc.edu/ICEE

Acknowledgements Tennessee Taxpayers USA’s National Science Foundation UTC's Center for Excellence in Computer Applications National Instruments Microsoft Corporation Creative Engineering Laboratory Systems

What are " Web Laboratories "? REAL Lab experiments for engineering education offered via the WEB Enhance student learning opportunities Distribute equipment use over time and place …. Issues and challenges Technical UNATTENDED OPERATION -- REFRIGERATOR AT HOME Pedagogy IM as TA Sequenced instructions Interactions with a faculty = one reason students go to university Pro of tele eduction¨ «parallel» experimentation -- same here as there, compare «not interacting with people» -- ironically, closer interaction Psychomotor skills -- typing and mouse (some people are performance challenged in various ways. so use voice or eye movement. not all students have to do everything)

What are " Web Laboratories "? REAL Lab experiments for engineering education offered via the WEB Enhance student learning opportunities Distribute equipment use over time and place …. < Sensory perception -graphs and tables are sensorarily taken in Paquette Receive Reproduce external create internal self-manage BP has a self-diagnosis tool Learner has to do some of the management – Open-ended scenario We should be mopre modest about our time in the classroom < Klaus REAL experiments have no simulation delay problems Gruhler Design assignemnts for a specific level of skill Biesenbach No additional software for user Equip 100% reliable

What are " Web Laboratories "? REAL Lab experiments for engineering education offered via the WEB Enhance student learning opportunities Distribute equipment use over time and place …. < Matched communication Schmid «Klaus» Motivation increased by «own» robots Klaus 1995 started experimentation at Weingarten Henry VIRTUAL -- NOT Cindy Wormsley Karen Wolfe Aubrey Gunter Don Eberhart Curtiss Gossett Karl Fletcher Beth Ruta Mark Moss Mevan Ranisinge Actual lab panel like Biesenbach with VPN Merlin is my middle name Psychological -- ownership of data

What are " Web Laboratories "? REAL Lab experiments for engineering education offered via the WEB Enhance student learning opportunities Distribute equipment use over time and place …. apor -- position, 4-tank not mentioned Dryer Porous media PSA dehumidiife Vibrations Kinematics Compaq iPAC Pocket PC How do students learn -- preferences in inductive/deductive, visual/verbal.... TUSydney Pittsburgh Diponegoro U FH-Koeln FAQ format for teaching material on the web PU alumni courses-- 2 extremes