1. 1 Ryan Bean John Hieb Will McCoy Devon Norman

2. 2 Contents  Length Motion Motors  Drive Assembly  Length Rail System  Platform Design  Width & Depth Motion  Data Acquisition  Data Transfer

3. 3 Length Motion Motors Motor Options 1. Series Motor with Brushes 2. Brushless DC Servo Motor 3. Brushless AC Servo Motor

4. 4 Series Motor with Brushes  Advantages + –Lower cost –Move platform quickly  Disadvantages - –Less dependable (Brush failure) –Difficult to control –Linear encoder needed to determine position

5. 5 Brushless DC Motor  Advantages + –High starting torque –Closed loop control –Smooth operation –High resolution  Disadvantages - –Made for large scale applications –Expensive power supply –More costly than conventional motors

6. 6 Brushless AC Servo Motor  Advantages + -High starting torque -High resolution -Smooth operation -Highly recommended for similar applications -Easily controlled  Disadvantages - -High Cost

7. 7 Drive Assembly Rack and Pinion  Advantages + –Low Profile –Safety –Low Cost –Dependable  Disadvantages - –Binding & torque considerations

8. 8 Length Rail System Rail Options 1. Angle Aluminum 2. DualVee Linear Systems 3. Shaft and Rollers

9. 9 Aluminum Angle  Advantages + –Low Cost –Easy to Install  Disadvantages - –No Vertical Constraint –Dependent Upon Flume Rail Straightness

10. 10 DualVee  Advantages + –Vertical & Horizontal Constraint –Independent of Flume Rail –Package Deal  Disadvantages - –Complicated Installation –High Cost

11. 11 Shaft and Rollers  Advantages + –Vertical and Horizontal Constraint –Same Performance, Lower Cost –Independent of Flume Rail  Disadvantages - –Some In-House Manufacturing

12. 12 Platform Design  Constraints: –Mounting Area –Proximity of Water –Accident Safeguards –Easy Mounting & Removal –Cantilevering Concerns Square Tube  Concepts: –Planar Design –Hook Design –Gantry Style

13. 13 Platform Design Hook DesignPlanar Design Support Rail StyleSupport Rail Style (T-channel)

14. 14 Platform Design Gantry Style Support Rail Style (C-channel) Features: Platform Elevated from Water Motor & Shaft Easily Accessible Restrained Vertically & Horizontally Easily Mounted & Removed from Flume Sides Guards Prevent Accidental Injury (Plexi-glass Window)

15. 15 Width & Depth Motion  Velmex Slides Advantages –High Accuracy –Preassembled –Motor Control Package –Easy Installation (plug & play) –Optional Way-Covers Disadvantages –Slow Travel

16. 16 Velmex Slides  Mounted Downstream  Equipment: –80” Powered Slide (blue) –80” Free Slide (orange) –50” Powered Slide (green) –50” Way-Cover (NS) –90 o Gusset (red)

17. 17 Data Acquisition  Three Potential Methods: –Computer mounted on platform with separate Data Acquisition unit –Data Acquisition computer –Data Acquisition cards in a computer Computer: A PC running windows XP

18. 18 PC and DAQ  Advantages + –Easy to upgrade –Standard operating system –User friendly  Disadvantages - –Requires the most space –Unnecessary features

19. 19 PC Data Acq. Unit  Advantages + –Standardized add-ons –Requires little space on platform  Disadvantages - –Expensive –Unnecessary features

20. 20 PC and PCI DAQ Cards  Advantages + –Least expensive solution –Sensory equipment can interface with PC  Disadvantages - –Not compatible with high speed data acquisition components –Unnecessary features

21. 21 Data Transfer: Wireless Advantages + –Transmits data the necessary distance –Simple to implement  Disadvantages- –Slow data transfer –Security issues

22. 22 Flume Mockup  Modular System –Flume: 5 pieces –Wedge: 1 piece  Features –Testing 0 o Incline –Testing 10 o Incline –Disassembly for Easy Transport

23. 23 Thank you