Unmanned Remote HovercraftMitchell LentiniBrandon DyerJustin Earnest

4/16/09Team Hovercraft

Project Overview

•Web controlled unmanned hovercraft with remote “command station”

•For exploration and monitoring purposes •For military and recreational use•Affordable and competitively priced for

clientele•Real time controls •Live video feedback

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Design Objectives / Results

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Specification Objective Actual

Cost < $400 $350

Weight < 15 lbs. 20 lbs.

Dimensions 18” x 8” x 6” 24” x 12” x 6”

Battery Life 2 hrs 1 hr

Phase 1: Hovercraft Body

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Phase 2: Thrust Mechanism

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Phase 3: Command Station

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Server ApplicationControl GUI

Approach

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eBox

Web Video Camera

Via WiFi

Module

Vortex Soc

(processor)

Hovercraft

Servo Controller

System

Thrust

Motor/Fan

Lift

Motor/Fan

Command Station

Demo

•Setup▫Turn on lift motor▫Power up eBox ▫Run communication software initialization

•Receive live video feed from craft•Transmit desired controls•Explore the halls of the Van Leer building

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Problems

•Lack of documentation for support with eBox

•Thrust Motor signaling error•High voltage supply for thrust motor

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Schedule and Major Milestones

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Task Date

Finish Craft Body 3/25/09

Finish Software 4/17/09

Integrate 4/20/09

Demo 4/21/09

Cost: Build

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Part Quantity Purchased

Unit Cost Total Cost

Rechargeable Battery 2 $50.00 $100.00

Thrust fan 2 $50.00 $100.00

Hovercraft body 2 $100.00 $200.00

eBox 2 $240.00 $480.00

Camera 2 $20.00 $40.00

Cypress Controller Kit

2 $50.00 $100.00

Mounting, Cables, and Packaging

2 $50.00 $100.00

Total Material Cost     $1,120

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Cost: Manufacture

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Parts Cost 627

Assembly Labor 11

Testing Labor 22

Total Labor 33

Fringe Benefits, % of Labor 8

Subtotal 668

Overhead, % of Matl, Labor & Fringe 334

Subtotal, Input Costs 1,002

Sales & Marketing Expense 650

Warranty & Support Expense 125

Subtotal, All Costs 1,777

Profit 623

Profit Percentage 26%

Selling Price 2,400

Total Revenue $2,400,000

Total Profit $623,000

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Results

•Individual components work exceptionally well

•Integrated components not so well•Lift mechanism exceeds expectations•Thrust motor signal sending issues•Send/receive communication works•Webcam integration trouble

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For more information please visit our websitehttp://www.ece.gatech.edu/academic/courses/ece4007/09spring/

ece4007l03/lm4/

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