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Vol. 157, Issue 10, October 2013, pp. 306-316




Quad-Rotor Airship Modeling and Simulation
Yibo LI, Gang WANG

School of Automation, Shenyang Aerospace University, Liao Ning, 110136, China
Tel.: 13998825712, fax: 024-89723891
E-mail: lyb20040612@aliyun.com


Received: 11 July 2013   /Accepted: 25 September 2013   /Published: 31 October 2013

Digital Sensors and Sensor Sysstems


Abstract: Firstly, a novel structure of indoor quad-rotor airship is proposed to overcome the traditional indoor airship shortcomings such as poor balance and lack of buoyancy in this paper. The kinetic model is established according to the design structure and flight characteristics by the principle of Newtonian mechanics and the laws of physics, The force analysis on the quad-rotor airship, including gravity, buoyancy, aerodynamic, wind resistance, propeller force, etc. Secondly, binding Kinetics model, the outer loop position controller and the inner loop attitude controller are designed based on the PID control algorithm. The outer loop position controller includes instantaneous position and velocity, while the inner loop attitude controller includes body angular velocity, Euler angular velocity and Euler angles. The simulation platform is designed by using Matlab/Simulink. The simulation results demonstrate the correctness of the dynamic model and the effectiveness of the control method. Finally, according to the PID's effect on time-varying system and nonlinear system is not very well perfect, we designed a fuzzy adaptive PID controller, combining the fuzzy control theory with the adaptive control and PID control. And the control algorithm achieved good results.


Keywords: Quad-Rotor, Airship, Adaptive control, Fuzzy control, PID.


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