Drone Categorization

October 2015

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Outline

PlatformsMulti-rotorFixed WingHelicopterBaloon

Simulators

Power SystemsElectricGas/Nitro

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Platforms

Multi-rotor Fixed Wing Helicopter Balloon

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Multi-RotorPopular PlatformVarious number of rotorsStable against windHeavy-lifter

Multi purpose platformDeployable in nearly every application area

Lifting power

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Multi-Rotor

As number of rotors increase:+Wind resistance+Stability+Lifting power

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Fixed WingBest choice for:

Long flight durationLong distances

Mostly used for:Mapping

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HelicopterStable platform;

Generally uses petrol/nitro enginesLong flight duration

Proportional to tank size, can reach 1 hour and more Inner combustion engine allow it to service larger areas

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Balloon DronesOperational principals

Balloon carries drone and its payloadAdditional engines try to maintain target GPS positionEnabling drone-balloon hover over around the same area Usually solar or battery powered

Yet experimental but;Meteorologists use similar equipment for measurementGoogle is experimenting to provide internet service using drone-balloons (Project Loon)

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Comparison

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SimulatorsSimulates a UAV by detailed;

Weight distributionWind / Weather Conditions

Used generally for;Testing a prototype platformTraining a pilotTesting scenarios

Mostly a simple simulator software to be used with:JoysticksRC controller interfacesFull-scale simulator ground stations

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Simulator Comparison

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Power SystemsGAS/NITRO

2 and 4 stroke nitro engines2 stroke gas enginesCarburetors are used for speed regulationNitro engines use nitromethaneGas engines use pump fuel

AdvantagesLong life & ease of refills (no need to recharge for hours)

DisadvantagesNoiseVibrationSometimes costly maintenance

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ELECTRICBrushless DC motors are usedESC (electronic speed control) circuits are used for speed regulation

AdvantagesSilentMinimal vibrationLinear power response

DisadvantagesCost of batteries (doubles or triples if long flights are planned)Recharge time

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