Surveillance MAV Project – Road Map – Senior Design I Research Testing & Documentation Finalize with Propulsion Team Wing Stability Analysis Wing Development.

Surveillance MAV Project – Road Map – Senior Design I

ResearchTesting &

DocumentationFinalize with

Propulsion Team

Wing Stability Analysis

Wing Development

Research – Wing Shape and

Stability

Airfoil AnalysisResearch -

Airfoils

Research –

Flight Envelope

Research – Materials,

Manufacturing, Connectivity

Documentation – Materials,


Feasibility Analysis

Build/Test –

Materials, Manufacturing, Connectivity

Electronics Aerodynamics Integration

Final MAV Design –

Design Concepts, Bill of Materials

Feedback

Flight Models

Feedback

Week 1, 2, 3 Week 10Week 4 Week 5 Week 6,7 Week 8,9

Surveillance MAV Project – Road Map – Senior Design II

Research – Materials,


Electronics Aerodynamics Integration

Feedback

Feedback

Week 1, 2, 3 Week 10Week 4 Week 5 Week 6,7 Week 8,9

Surveillance MAV Project – Gantt Chart – Senior Design IA

erod

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Ele

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nics

Inte

grat

ion

W 1


Wing Development

Research – Wing Shape and Stability

Airfoil Analysis

Research – Flight Envelope

Flight Models

Research – Airfoils

Research

Testing & Documentation

Finalize with Propulsion Team

Research – Materials, Manufacturing, Connectivity

Documentation – Materials, Manufacturing, Connectivity


Build/Test – Materials, Manufacturing, Connectivity

Final MAV Design – Design Concepts, Bill of Materials

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Surveillance MAV Project – Gantt Chart – Senior Design II

Surveillance MAV Project – Objectives List

Necessary Desirable

Able to fly 600 meters (linear)

Able to take a “legible” picture of a 1.5 square-meter symbol located on the ground

Wireless remote control (human operator)

Stay within budget (~$4500)

Stable, consistent launching

Able to be flown accurately 500 meters from the target symbol

Must be durable

Must be able to deliver a hard copy of the photo to judges within 45 minutes of launch

Black and white photo

Onboard power supply

Capture and transmit live video

Capture and record video onboard

Able to rotate camera

Able to fly 1.2 kilometers or more

Smallest possible maximum linear dimension

Lightest possible weight

MAV able to be reproduced consistently

Color photo

GPS

Autonomous flight

Stability Augmentation System

Use Fall/Winter Senior Design Team’s Propulsion System/Data

Surveillance MAV Project – Objective Tree

The MAV must complete the mission outlined by the IMAVC.

Aer

odyn

amic

sE

lectronicsIntegration

Picture

Propulsion

Remote Control

MAVStability

Lift/Drag

Size

Endurance

Size

Endurance

Size

Endurance

Manufacturability

Connectivity

See Requirements See Requirements See Requirements

Surveillance MAV Project – Requirements

Aerodynamics Integration Electronics

Stability

Lift/Drag

Size

Endurance

- Must be stable in pitch, yaw, roll

- Aircraft will have a positive pitching moment intercept and a negative slope

- Elevons shall be effective in controlling pitch rates

- Aircraft shall be critically damped in yaw direction

- Aircraft yawing moment curve must be positive and 0 intercept

- Aircraft shall have a negative rolling moment and 0 intercept

- Elevons shall be effective in controlling roll rates

- Force on control surfaces shall not exceed force provided by servo

- The CG shall be located to ensure stability

- Elevon operation shall have minimal effect on yaw

- Planform must minimize tip vortices

Picture

Propulsion

Remote Control

Size

Endurance

- Take photo

- Record photo

- Transmit photo

- Receive photo

- Minimize power consumption

- Radio

- Receiver

- As small and compact as possible (within the scope of the project)

- Sufficient battery

- Lasting parts

Size

Endurance

Manufacturability

Connectivity

- As small and compact as possible, but still able to carry all necessary components

- Drop test (10’ vertical drop)

- Static load test

- Pod shock/compression test

- Maximum Dynamic Loading Case

- Construction tools

- Material documentation/knowledge/experience

- “High” precision and tolerances

- Connect wing to pod

- Shear landing test- Maintain stability/lift/drag for the duration of the flight

- Planform that optimizes lift for small maximum linear dimension

Surveillance MAV Project – Specifications

Aerodynamics Integration Electronics

Stability

Lift/Drag

Size

Endurance

- Cmo > 0

- Cmα < 0

- Cmδev > ?

- ξn < 0

- Cn0 = 0

- Cn > 0

- Clδev > ?

- N.P. < Xcg

- Span Efficiency Factor e > ?

- Span b <= 25.4 cm

- AR > 1

Picture

Propulsion

Remote Control

Size

Endurance

- Camera Resolution: 380 lines

- Power Supplied: 450 mA; 11 V

- Thrust Supplied: 70 g

- Transmitter Frequency: 2.4 GHz

- Transmitter RF Power Output: 80 mW

- Receiver Frequency: 2.4 GHz

- Receiver Gain: -83 dB

- Receiver Impedance: 50 ohms

- Antenna Frequency: 2.4 GHz

- Antenna Gain: 24 dB

- Antenna Beam Width: 8º

- Antenna Impedance: 50 ohms

- Camera Dimensions: 1024 mm3

- Camera Weight: 2.5 g

- Transmitter Dimensions: 985 mm3

- Transmitter Weight: 3 g

- Servo Dimensions: 2010 mm3

- Servo Weight: 4.5 g

- Propulsion System Dimensions: ???

- Propulsion System Weight: ???

- Camera Power Consumption: .42 W

- Transmitter Power Consumption: .54 W

- Servo Power Consumption: 1 W

Size

Endurance

Manufacturability

Connectivity

- Capable of holding 60 g in minimal volume

- Drop Test: MAV must withstand 10 ft vertical drop (from tail, left/right wing, nose, and center) with no apparent damage

- Static Loading Test: MAV must withstand suspension from outer wing tips, loading with “factor of safety” of 1.5, with no apparent damage

- Maximum Dynamic Loading Test: MAV attached to rod through CG, exposed to simulated flight speeds until time of fatigue

- Rapid Prototyping Resolution: Up to 0.03 inches

- Machining Precision: Up to 0.005 inches

- Shearing: Perform compression test to determine shear strength of connection between wing/pod- Minimum Flight Thrust = x

Co

ntr

ol

Po

wer

Cam

era

Sys

tem

Ski

nP

rop

u-

lsio

nW

ing

/ P

od

Flig

ht

- Y

awF

ligh

t -

Pit

chF

ligh

t -

Ro

ll02 03 0401 05 06 07 08 09 10 11 12

Surveillance MAV Project – Morphological Analysis

Remote Control (Human

Operator)

Remote Control

(Computer/Human

Operator)

Stability Augmenta-

tion

Autonomo-us

None

Lithium Polymer Battery

Gas Microturbi-ne

Alkaline Batteries

Capacitor

Camera with Film Storage

Camera with Digital

Storage

Camera with

Transmitter

Infrared Camera

with Transmitter

Night Vision

Camera with

Transmitter

Movable Camera

with Transmitter

Shrink-wrap

Tissue Paper

Parylene-C Resin/Epo-xy

Mylar Durobatics Fabric Polymers Latex Chemical Resin Dip

Electric Motor/Pro-

pellor

Gas Motor/Pro-

pellor

Compress-ed Air

Ornithopter Electric Motor/Pro-pellor/Shr-

oud

Polymers Rapid Prototyping

Durobatics Aramid Carbon Fiber

Fiberglass Composite Rods

Composite Tow

Aramid/Ca-rbon

Combo

Titanium Alloy

Balsa Carbon/La-tex Combo

Rudder Spoilers Morphing Thrust Vectoring

(Drag) Differential Morphing Elevon

Movable C.G.

Thrust Elevator Elevons Thrust Vectoring

Morphing Movable C.G.

Elevons Flaperons Ailerons Thrust Vectoring

Spoilers Morphing Movable C.G.

Fiberglass

None

Surveillance MAV Project – QFD Analysis (Phase I)

Key

0 = not important

1 = slightly important

3 = important

9 = very important

Customer Requirements


Able to take a “legible” picture

Wireless remote control

Stay within budget

Stable, consistent launching unnecessary

Able to be flown accurately

Must be durable

Must provide hard copy of photo

Onboard power supplyC

ust

om

er W

eig

ht

9

9

9

3

9

3

3

9

9

Engineering Metrics

Wei

gh

t (g

)

Dim

ensi

on

s (c

m)

Res

olu

tio

n (

lines

)

Po

wer

(m

Ah

)

Th

rust

(g

)

RF

Po

wer

(m

W)

1

0

0

1

3

3

3

0

3

1

0

0

1

3

3

1

0

3

Voice of the Customer

0

9

0

3

0

0

0

1

1

9

3

9

3

1

1

0

1

9

9

0

0

1

3

3

1

0

3

0

1

9

1

0

1

0

9

3

Technical Target 80

Weight (g)

Dimensions (cm)

Resolution (lines)

Power (mAh)

Thrust (g)

RF Power (mW)

Optimization

3

0

1

9

0

0

9

1

0

1

1

0

0

0 1

Key

0 = not correlated

1 = slightly correlated

3 = correlated

9 = highly correlated

65300

380

25.4

100

Raw Score

Relative Weight

84 78 108 300 150 204

.09 .08 .12 .32 .16 .22

Surveillance MAV Project – QFD Analysis (Phase II)

Engineering Metrics

Ph

ase

I Rel

ativ

e W

eig

hts

Weight (g)

Dimensions (cm)

Resolution (lines)

Power (mAh)

Thrust (g)

RF Power (mW)

Raw Score

Relative WeightW

ing

Po

d

Pro

pu

lsio

n S

yste

m

Cam

era

Sys

tem

Ser

vos

MA

V P

arts

.09

.08

.12

.32

.16

.22

1 1 9 3 1

9 1 1 1 0

0 0 0 9 0

0 0 9 9 3

0 0 9 0 0

0 0 3 3 3

Key0 = no contribution

1 = slight contribution

3 = notable contribution

9 = large contribution

.81 .17 5.87 4.97 1.71

.06 .01 .43 .37 .13

Surveillance MAV Project – Pugh Analysis (page 1)

Design Concepts

01

Control

Power

Camera System

Skin

Propulsion

Wing/Pod

Flight - Yaw

Flight - Pitch

Flight - Roll

Sub-Functions

Remote Control (Human Operator)

02 03 04


Camera with Transmitter

Parylene-C

Electric Motor/Propeller

Carbon Fiber

Rudder

Elevons

Elevons




Shrink-wrap

Electric Motor/Propeller/Shroud

Aramid/Carbon Combo

Rudder

Elevons

Elevons



Camera with Digital Storage

Fiberglass


Aramid/Carbon Combo

None

Elevons

Elevons



Movable Camera with Transmitter

Latex


Carbon/Latex Combo

None

Morphing

Morphing

Criteria




Stay within budget



Must be durable



Score

# +’s

# S’s

# -’s

01 02 03 04

Design Concepts

S S +

+ +

S S S

- -

+ - +

+ S +

S - S

S - S

S S S

3 1 4

5 4 4

1 4 1

Criteria




Stay within budget



Must be durable



Score

# +’s

# S’s

# -’s

01 02 03 04

Design Concepts

S S S

- - S

S S S

+ - -

- - S

- - S

S - S

S - S

S S S

1 0 0

5 3 8

3 6 1

REFERENCE

REFERENCE

+

-

Surveillance MAV Project – Pugh Analysis (page 2)

Criteria




Stay within budget



Must be durable



Score

# +’s

# S’s

# -’s

01 02 03 04

Design Concepts

SS S

++ +

SS S

++ +

++

++ +

++ +

++

SS S

66 6

33 3

00 0

Criteria




Stay within budget



Must be durable



Score

# +’s

# S’s

# -’s

01 02 03 04

Design Concepts

S SS

S --

S SS

+ -+

S --

S --

S -S

S -S

S SS

1 01

8 35

0 63

REFERENCE

REFERENCE

+

+

Design Concepts

01

Control

Power

Camera System

Skin

Propulsion

Wing/Pod

Flight - Yaw

Flight - Pitch

Flight - Roll

Sub-Functions


02 03 04



Parylene-C


Carbon Fiber

Rudder

Elevons

Elevons




Shrink-wrap

Electric Motor/Propeller/Shroud

Aramid/Carbon Combo

Rudder

Elevons

Elevons



Camera with Digital Storage

Fiberglass


Aramid/Carbon Combo

None

Elevons

Elevons



Movable Camera with Transmitter

Latex


Carbon/Latex Combo

None

Morphing

Morphing

Surveillance MAV Project – Road Map – Senior Design I Research Testing & Documentation Finalize with Propulsion Team Wing Stability Analysis Wing Development.

Documents

bill of materials w