Post on 03-Jan-2016
transcript
Introduction - WelcomeIntroduction - Welcome
Design Team 11• Fuyuan Lin – Research & Development
• Xiaodong Wang – Research & Development
• Ajay Puppala – Project Management & Hardware
• Marlon McCombie – Firmware & Hardware
Dept. of Mechanical Eng.
To design and build a portable and compact demonstration device
Magnetically levitate an object
Demonstrate various Engineering control system theories from MECH 4900 Systems II class
Scope
Dept. of Mechanical Eng.
Requirements
Characteristics of the device:Portable and compactViewable from a distancePlug & PlaySafe to useShall not exceed regular power requirementsGUI interactionMATLAB/Simulink operatedGraphical system response output$1,000 budget
Dept. of Mechanical Eng.
Anticipated Challenges
Visible motion of levitated object
Integration of design components
Time & Budget management
Object and electromagnet core material
Dept. of Mechanical Eng.
Anticipated Challenges Programming
No previous background at level required Using MATLAB/Simulink toolbox
Testing Retrieving and plotting data from sensors Levitation and circuit required to control magnetic
field strength
Building prototype by the end of November
Dept. of Mechanical Eng.
Current ProgressResearch & Development
• Simplifying object levitationI. Maximum magnetic forceII. Force analysis
• Selection criteriaI. Wire gageII. Magnetic saturation limit III. ObjectIV. Electromagnet core
Dept. of Mechanical Eng.
Current Status
Hall effect sensor
(Picture courtesy of Melexis)
Linear Variable Differential Transducer (LVDT) sensor
(Picture courtesy of RDP Group)
Photoelectric sensor
(Courtesy of Pepperl+Fuchs).
Dept. of Mechanical Eng.
Current Status
• Microcontroller & Current Control• Selection
• Arduino versus LEGO Mindstorms NXT
• Established MATLAB communication• MATLAB Toolbox• Demonstration – Blinking LEDs• Proof of data transmission
Dept. of Mechanical Eng.
General Schematic
Figure shows configuration of various devices required for the magnetic levitation (Courtesy of ImageShack).
Dept. of Mechanical Eng.
Hand Sketches
Dept. of Mechanical Eng.
Two electromagnet design with Hall Effect sensor
Single electromagnet with photoelectric sensor
Vertical ring arrangement
Design employing Hall Effect sensor
Hand Sketches
Dept. of Mechanical Eng.
Figure shows top and side view of the track design
Toroidal Electromagnet Design