MAGNETIC LEVITATION DEMONSTRATION APPARATUS TEAM 11 FALL TERM PRESENTATION Fuyuan Lin, Marlon McCombie, Ajay Puppala, Xiaodong Wang Project Supervisor : Dr. Robert Bauer Project Coordinator : Dr. Clifton Johnston 11/30/2013 Website: http://poisson.me.dal.ca/~dp_13_11/index.tml OVERVIEW 2 Project Description Circuit Design   Requirements Current Progress   Demonstration Product Architecture   Future Considerations Subsystems   Testing &Verification Plan Alternative Design   Concepts Budget  Project Management Design Selection   Questions Literature Review   Project Description 3 Design and build a magnetic levitating device  Demonstrate different control theories taught in  MECH 4900 Systems II course Project focuses on the control systems  Requirements 4 Demonstrative Requirements  Levitate object magnetically  Compare desired, simulated, manipulated and  measured controller variables Lag, lead, lag- lead compensation techniques  P, PI, and PID control  Nyquist plots and Root Locus and Bode diagrams  Requirements 5 User Requirements:  Implement the control methods in MathWorks Simulink  Graphical User Interface (GUI) to interact with the  device Plug ‘n Play  Safe and Ergonomic  Requirements 6 Visual Requirements:  Viewable from back of the classroom 15 – 20 ft.  Levitate object 2 – 4 cm away from coil  Power Requirements:  Conventional 120 VAC input  No potential electrical risk to the user  Operating Budget $1,500  Product Architecture 7 INPUT PROCESS OUTPUT Simulink Control Execute Simulink Display Data Methods Control Methods Graphically Current to Object Levitation and Object Position electromagnet Location Feedback Data from Sensor Functional black diagram for the magnetic levitation apparatus Product Architecture 8 General Schematic of demonstration device Subsystems 9 Electromagnetic Levitation:  Pseudo Levitation  Rotational Stabilization  Rotational Stabilization Transrapid Monorail Electromagnetic (picture courtesy of futuristicnews.com) (picture courtesy of maglev.net)  Electrodynamic (Eddy Currents)  Diamagnetic (Meissner Effect)  Electrodynamic Levitation (picture courtesy of microwavesoft.com) Subsystems 10 Electromagnetic Levitation:  Type of Levitation Active or Stability of Availability Range of Ease to Total Passive Levitation of Materials Levitation Build Pseudo Levitation Passive N/A N/A N/A N/A - Rotational Active 2 3 5 3 13 Stabilization Electromagnetic Active 3 5 4 5 17 Electrodynamic Active 5 4 4 3 16 Diamagnetic Passive N/A N/A N/A N/A -