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Airplane Competition

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K M

on 3 June 2014

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Transcript of Airplane Competition

AUTO PILOT
Introduction:
Important, autonomous.
Hardware: APM Mega 2.5 ardupilot
Built-in sensors:
Level measurement sensor.
External sensors:
Pilot-tube.
GPS.
Software: Mission Planner, X-Plane.

Introduction
Mission objective
Organization Structure
Time Management
AutoCAD drawing:
Test
Test
G-loading
Test
UAE innovation challengee
Team Name: SUPPERO

Manufacturing consideration
Organization Structure
Time management
INTRODUCTION
DESIGN
MANUFACTURING
INSTRUMENTATION
TESTING
AUTO PILOT
CONCLUSION

Outline
Mission objective
Our mission is to
Design an autonomous UAV that will photograph targets at given GPS coordinates.
loiter over the targets as long as possible.
return to a designated landing area.
design stable, long endurance aircraft optimized autopilot controller and mission path.
Wing
-Justification:
Easier to manufacture
Reduce the drag
Least aerodynamically
More lift force
Better CG range
Better autopilot control
Time management
Design
General Configuration
Wing
Tail
Fuselage and wiring
Engine Placement
Stability & Control
Specifications and calculations

General Configuration
Wing, body tail
3 different designs
Fuselage and wiring
In reducing the overall drag of electronic devices.
Work as safety cover for electronics.
Engine Placement
Specifications and Calculations
Wing loading
Tail size
Weight and Balance
Wing
Tail
Horizontal tail: Sh= (Vh*S*MAC)/lh
Vertical tail: Sv= (Vv*S*b)/lv
Tail
Control & Stability
Vertical:
1st airplane
Foam
Smaller size
Have rudder

2nd and 3rd airplane
Bass and balsa wood
Larger size
No rudder

-Rectangle
Tail
Justification:

Best adequate stability
Control at the lightest weight
Back side lift force

S: Wing planform area [m2]
VV: Vertical tail volume coefficient [-]
SV: Vertical tail area [m2]
IV: Distance from wing AC to vertical tail AC [m]
Ih: Distance from wing AC to horizontal tail AC {m}
b: Wing span [m]
Weight & Balancing
Manufacturing consideration
Divided into four parts.
Material limitation (1m)

Made from Balsa wood and plywood.
* easy to construct.
* Rigid.

Use monokote to
* cover the wing.
* smooth surface
* reduce the drag

Manufacturing consideration
balsa wood and plywood.
holes (reducing weight and cooling internal parts).
Straight from inside .
Accessibly.
Manufacturing consideration
Rectangular type tail made from balsa wood.
Manufacturing consideration
Support the motor and speed controller.
Made from foam and Balsa wood.
It contains the battery .
Thrust Structure.
Glider Test
Thrust Scaling
Test
Torsional Test
Flight test
PID gains:
Proportional reduce fluctuating.
Integral eliminate error.
Differential reduce overshoot.
Gains
Steps in tuning gains:
Firmware (conventional).
Radio calibration.
Leveling.
Methodology:
X-Plane
FBW-A mode.
Stabilize mode.
Auto mode.

Gains
Strategy 1:
commands
Way points
Strategy 2
Way points 2
Flight time prediction
Fly the aircraft manually to check the battery voltage and time duration till reach 10.7 v.
We get 5 minutes and 47 second.
Distribute the time on the waypoints so the aircraft will fly for specific time with specific voltage use.
Flying wing Vs Wing-body-tail:
Faisal Al Naqbi
Nazir Ahmed
Musad Al Seiari
Husain Muneef
Khuloud Salem
Sara Al Hanaei
Mitha Al Saedi

Team Supervisor :
Dr.Hussain Alwedyan

Control & Stability
Elevators:
1st airplane
Foam
Smaller size

2nd and 3rd airplane
Bass and balsa wood
Larger size
Spars and stringers used for re-enforcement.
Lesson Learned
First Design
Second Design
Third Design
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Commands:
Any Questions
?
Full transcript