PPT of Motors, Propellers, Batteries 4.1 Introduction Motors for drones and unmanned aerial vehicles (UAVs) are most commonly used to spin the propellers of multirotor drones, allowing them to fly. Other unmanned vehicle components that use drone motors include camera and payload gimbals, flight surfaces, antenna rotators, and landing gear. Longer flight periods, excellent flight …
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4.2 Motors Used in Drones Electric motors used in drones convert electrical energy into mechanical energy in the form of linear or rotary motion. The attraction or repulsion of two magnetic fields causes this motion in most drone motors. A permanent magnet provides one of these fields, and the other is formed by taking advantage …
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4.3 Synchronization and Calibration of Motors The mechanical simplicity and aerodynamic stability of drones are linked to the coordinate the motors and their motions. In a quadcopter, the pair of motors positioned on one diagonal of the structure turns within the same direction whereas the motors on the other diagonal will rotate in opposite direction. …
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4.4 Propulsion Systems Drone motors, electronic speed controllers, and propellers are all important parts of a drone’s propulsion system. The main components of the propulsion system are as follows: Cooling System Electronic Speed Controllers ESC Updater Propellers Wiring Arm Drone motors and propulsion systems are designed to be light, strong, balanced, and efficient while requiring …
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4.6 Thrust Generation In Propellers Depending on the efficiency requirements of various aircraft, propellers can have one blade all the way up to six or more. The number of propeller blades is mostly determined by the aircraft’s performance requirements and engine power. Additional blades are required when engine power grows to efficiently utilize the greater …
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4.5 Propulsion Classification Based On Energy Type The UAV propulsion system is classified in the following ways: Fuel: According to different power units the fuel propulsion system can be categorized as: a) Piston, b) Gas Turbine c) Ramjet engines: These are developed to pursue higher flight speeds of the drones. Unlike a traditional turbine engine, the ramjet …
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4.7 Batteries Drones and unmanned aerial vehicles (UAVs) come in a variety of sizes, from hand launched micro-UAVs to large-scale versions powered by jet propulsion, internal combustion engines, or electric motors. The most frequent kind of power in micro-UAVs and smaller format UAVs is Lithium-ion (Li-ion) battery combinations that power the electric motors. High energy/weight …
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4.8 Battery C-Rating Charge rate or C-rate: – The charge rate or C-rate of a battery or cell is defined as the charge or discharge current in Amperes as a percentage of the rated capacity in Ah. In the case of a 500 mAH battery, a C/2 rate is 250 mA and a 2C rate is …
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4.9 Drone Electronic Speed Controllers(ESC) An electronic speed control, also known as an ESC, is a circuit that regulates and controls the speed, acceleration, and deceleration of drone motors. An electronic speed control circuit is used to adjust the speed of an electric motor, and its route, and to act as a dynamic brake. These …
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