david talaiver vince adams robb morris. misson 2010 auvsi asv competition develop interest in marine...
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Old Dominion University Autonomous Surface Vehicle
Competition Team
David TalaiverVince AdamsRobb Morris
Misson2010 AUVSI ASV CompetitionDevelop interest in marine robotic systemsProvide opportunities for student/industry
connection
2009 Competition RequirementsVision Based NavigationGPS Based NavigationMission Specific Ability
Carry LoadFire Weapon
Electric Power (60 VDC max)<110 LBS>10 LBS Thrust
DONE
DONE
DONE
DONE
2009 Team Objective MaRS
(Marine Research System)
Simplified Remotely Operated System
Hull Design
Power System
Vehicle Controls
Propulsion
Team StructureInterdepartmental
Mechanical Engineering Design Purchasing Decisions
Electrical Engineering Controller Logic and Programming
Engineering Technology Actuator Design
Team Progress and Plan
Hull DesignDesign requirementsLength ≤ 6 feetWidth ≤ 3 feetBuoyant force ≥ 110 lbs.Team design requirementsWeight ≤ 35 lbs.Buoyant force ≥ 175 lbsMinimize the wetted surface area of hullEasily fabricated or purchased
Off the Shelf HullHobie Float Cat 60Specifications:
Length: 60"Width: 43"Weight: 21 lbs.Capacity: 250 lbs.
First approachNot for sale
Aluminum Hull Design•1/16 inch aluminum sheet
•Weight ≈ 12 lbs
•Buoyant force ≈ 200 lbs
•Length ≈ 4 feet
•Length is ruled by Available brake
•Reinforced by cross sectional ribs
•Sealed by waterproof adhesive and rivets
x 2x (2.5)x 1.6x (x2+1.6x2).
5 (x2+(2).5x2).5
1.00 2.00 1.41 1.60 1.89 1.731.25 2.50 1.77 2.00 2.36 2.171.50 3.00 2.12 2.40 2.83 2.601.75 3.50 2.47 2.80 3.30 3.032.00 4.00 2.83 3.20 3.77 3.462.25 4.50 3.18 3.60 4.25 3.902.50 5.00 3.54 4.00 4.72 4.332.75 5.50 3.89 4.40 5.19 4.763.00 6.00 4.24 4.80 5.66 5.203.25 6.50 4.60 5.20 6.13 5.633.50 7.00 4.95 5.60 6.60 6.063.75 7.50 5.30 6.00 7.08 6.504.00 8.00 5.66 6.40 7.55 6.934.25 8.50 6.01 6.80 8.02 7.364.50 9.00 6.36 7.20 8.49 7.794.75 9.50 6.72 7.60 8.96 8.235.00 10.00 7.07 8.00 9.43 8.665.25 10.50 7.42 8.40 9.91 9.095.50 11.00 7.78 8.80 10.38 9.535.75 11.50 8.13 9.20 10.85 9.966.00 12.00 8.49 9.60 11.32 10.396.25 12.50 8.84 10.00 11.79 10.836.50 13.00 9.19 10.40 12.26 11.26
Propulsion designDesign requirements•Thrust ≥ 10 lbs•Speed ≤ 10 knots•Propeller must be protected by ring
Team design requirements•Maximize thrust•Maximize maneuverability•Speed is secondary•Minimize weight
Trolling Motor12-volt, 30lbs. thrust 5 forward and 2 reverse speed controlsWeight (in pounds): 18.75 (L x W x H): 19.0 x 6.0 x 40.0Option of 2 or 3 blade propCons 12-volt motor and 24-volt system
Steering360˙ propeller vectoringOff the shelf worm gear
Power window motor Van sliding door
Potentiometer for vector angle
Power System24 volt Lithium Polymer BatteryDesirable Power Density RatioHigh amp hour rating
ControllerVictor 883 Speed controller
Operates on 24V Has capacity to work from 10-100%
output control High current capacity with low voltage drop
IFI Robot Controller Allows the operator to talk to the robot Robot controller takes operator input and
additional input from onboard sensors Sends feedback back to operator
Future WorkEnhance System to Full AutonomyEnsure knowledge transferK-12 Programs to help generate interest in
engineering
Sponsors
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