Abstract
The paper presents electrical and mechanical methods to enhance the flight endurance of an Unmanned Autonomous Vehicle (UAV), quadrotor type. An alternative controller, Linear Quadratic Controller (LQR), was researched and developed to replace PID controller. MATLAB simulation will be done to analyze and differentiate the performance of both PID and LQR controllers. X-shaped quad-rotor UAV will be designed via SolidWorks to visualize and further optimize the UAV design according to its respective functionality. The quad-copter was then designed with suitable materials to ensure the UAV possesses lightweight characteristics and good weight-to-thrust ratio. To identify and classify the most suitable materials for the UAV, ANSYS simulation was performed on various materials to observe the maximum stress applied to the UAV when experiencing 12.5 N of force. Flight endurance tests were conducted once the UAV is manufactured and the desired controller is applied to the UAV. The results of flight endurance and flight performance will be recorded and observed through the generation of flight logs by PixHawk flight controller respectively. Flight endurance was recorded at 30 minutes, double the 15 minutes average flight endurance of a commercial UAV.
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