Ryan Bean John Hieb Will McCoy Devon Norman

1
Ryan Bean John Hieb Will McCoy Devon Norman
2
Contents

• Length Motion Motors
• Drive Assembly
• Length Rail System
• Platform Design
• Width Depth Motion
• Data Acquisition
• Data Transfer

3
Length Motion Motors

• Motor Options
• 1. Series Motor with Brushes
• 2. Brushless DC Servo Motor
• 3. Brushless AC Servo Motor

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
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
Brushless AC Servo Motor

• Advantages
• -High starting torque
• -High resolution
• -Smooth operation
• -Highly recommended for similar applications
• -Easily controlled
• Disadvantages -
• -High Cost

7
Drive Assembly

• Rack and Pinion
• Advantages
• Low Profile
• Safety
• Low Cost
• Dependable
• Disadvantages -
• Binding torque considerations

8
Length Rail System

• Rail Options
• 1. Angle Aluminum
• 2. DualVee Linear Systems
• 3. Shaft and Rollers

9
Aluminum Angle

• Advantages
• Low Cost
• Easy to Install
• Disadvantages -
• No Vertical Constraint
• Dependent Upon Flume Rail Straightness

10
DualVee

• Advantages
• Vertical Horizontal Constraint
• Independent of Flume Rail
• Package Deal
• Disadvantages -
• Complicated Installation
• High Cost

11
Shaft and Rollers

• Advantages
• Vertical and Horizontal Constraint
• Same Performance, Lower Cost
• Independent of Flume Rail
• Disadvantages -
• Some In-House Manufacturing

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
Platform Design
Hook Design
Planar Design
Support Rail Style
Support Rail Style (T-channel)
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
Width Depth Motion

• Velmex Slides

• Advantages
• High Accuracy
• Preassembled
• Motor Control Package
• Easy Installation (plug play)
• Optional Way-Covers
• Disadvantages
• Slow Travel

16
Velmex Slides

• Mounted Downstream
• Equipment
• 80 Powered Slide (blue)
• 80 Free Slide (orange)
• 50 Powered Slide (green)
• 50 Way-Cover (NS)
• 90o Gusset (red)

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
PC and DAQ

• Advantages
• Easy to upgrade
• Standard operating system
• User friendly
• Disadvantages -
• Requires the most space
• Unnecessary features

19
PC Data Acq. Unit

• Advantages
• Standardized add-ons
• Requires little space on platform
• Disadvantages -
• Expensive
• Unnecessary features

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
Data Transfer Wireless

• Advantages
• Transmits data the necessary distance
• Simple to implement
• Disadvantages-
• Slow data transfer
• Security issues

22
Flume Mockup

• Modular System
• Flume 5 pieces
• Wedge 1 piece
• Features
• Testing 0o Incline
• Testing 10o Incline
• Disassembly for Easy Transport

23

• Thank you