Nayak, Kiran Kumar (2018) Design of Electronic Speed Controller for Quadcopter Motors. MTech thesis.
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The Brushless DC (BLDC) machine is becoming very popular choice in drive technology over the last few years because of its numerous advantages when compared with other electrical machines. Such advantages include low maintenance, high power densities, high efficiency and robustness. Because of its numerous advantages the BLDC motor found its self-used in different application such as automotive, aerospace, home appliances, and heating ventilation and air conditioning system (HVAC). Over the last decade low power, low cost and high speed BLDC machines have also gained popularity in unmanned aerial vehicle(UAV), more commonly known as drones or Quadcopters. Closed loop speed/position control of low power, low cost and high speed BLDC machines as used in low cost UAV’s require the use of an inverter drive which is otherwise called Electronic Speed Controller, an encoder or Hall sensors to detect the position of rotor and a control algorithm to process the information to the microcontroller. However,these dedicated hall sensors or encoder results in lesser efficiency and poor dynamics than sensorless method. These sensors need maintenance to assure continued proper operation, they also increase the weight of the machine and reduce reliability. The aim of this dissertation is to review the performance of sensorless method using back electro motive force (EMF) on a low cost, low power, and high speed BLDC machine through an experimental setup and the experimental results are then presented.
|Item Type:||Thesis (MTech)|
|Uncontrolled Keywords:||Brushless dcmachine; Hall sensors; Sensorless; Back EMF|
|Subjects:||Engineering and Technology > Electrical Engineering > Power Electronics|
|Divisions:||Engineering and Technology > Department of Electrical Engineering|
|Deposited By:||IR Staff BPCL|
|Deposited On:||16 Mar 2019 10:26|
|Last Modified:||16 Mar 2019 10:26|
|Supervisor(s):||Satapathy, Jitendriya Kumar|
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