Multirotors
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Multirotors by Stoyan Zhekov 1
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A simple diary of my experience with quadcopters.
Transcript of Multirotors
Multirotorsby Stoyan Zhekov
1
Drones?
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SkyNet?
3
Ethernet of things (EOT)?
4
How it starts?
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GY-521
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3 AXIS !
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3 axis = Flying !
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Let’s dream!
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Parrot AR.Drone
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Apple Store!
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Keep it real!
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Productvs
Platform
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Platform
• Cheap, Available
• Easy maintain - parts, cheap and available
• Easy changes
• Scalable
• Community
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FPV vs Acro
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A bit of theoryAerodynamics
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Lifting!
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Torque (momentum) ?
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Torque!
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Helicopterssingle rotor
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Helicopter ?!
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MULTIrotors
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Tricopter
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Quadcopter
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Hexacopter
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Octocopter
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This is madness!!
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Common parts
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PropellersCW vs CCW
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LiPoLithium Polymer battery
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Brushless motors
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ESCElectronic speed control
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Flight ControllerAxis, Sensors, DOF
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Flight Controller
• 3 axis - gyro only
• 6 axis - gyro + accelerometers
• 10 DOF - 3 x gyro, 3 x acc, 3 x compas, baro
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Flight Controller
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BECBattery eliminator circuit
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MultiWii
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RadioTransmitter (Tx) / Receiver (Rx)
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Radio
• Freq - 2.4Ghz
• Protocols - FlySky, DSMX (Sp), DEVO (Wk)
• Channels - > 4
• Modes - Mode 2
• RTF , BNF
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Turnigy 9XR
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Turnigy 9XR
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er9x
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Size matters!Small is good?!
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Useful Sites
•http://www.banggood.com/
•http://www.aliexpress.com/
•http://www.hobbyking.com/
•http://www.rcgroups.com/
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kick start - SYMA X1
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kick start (2) - V9x9
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Let’s fly!
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