![]() ![]() The final quadcopter concept is well suited for further experimental work. Although there are many enhancements that I could do to the design, we have proven that it is possible to produce a small-scale UAV that performs functions of interest to the military as well as commercial/industrial applications. Using this we create a horizontal-plane velocity estimator that uses data from the built-in inertial sensors and an onboard laser scanner, and implement translational control using a nested control loop architecture. I determine the dynamics of its roll and pitch attitude controller, system latencies, and the units associated with the values exchanged with the vehicle over its serial port. This paper describes modelling, estimation, and control of the horizontal translational motion of an open-source and cost effective quadcopter. ![]() ![]() The quadcopter is naturally unstable, has a complex dynamic model and six degrees of freedom. The popularity of quadcopters are increasing as the sensors and control systems are getting more advanced. The quadcopter is flying vehicle like helicopter but having four rotors which are situated in one plane. This thesis is studying one type of these vehicles, so called quadcopter. The development in the fields of MEMS sensors, miniature, energy efficient and very powerful microcontrollers, and microprocessors has given the opportunity to build small autonomous flying vehicles. Microcontroller based drone control system has also been developed where a RF transmitter and receiver operating in the frequency of 2.4 GHz are used for remote operation for the Quadcopter. The simulation shows a very stable operation and control of the developed Quadcopter. The developed Quadcopter control system has been simulated in MATLAB and abaqus. A Quadcopter has been built that can be operated by radio frequency controller and send live audio-visual feedback. Its’s usage is currently limited by difficulties such as satellite communication and cost. ![]() It is controlled either autonomously by on-board computers or by remote control of a pilot on the ground. UAV is defined as an aerial vehicle that does not carry a human operator, uses aerodynamic forces to provide vehicle lift, can fly autonomously or be piloted remotely, can be expandable or recoverable, and can carry a lethal or nonlethal payload. ![]()
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