UAV Control Based on Dual LQR and Fuzzy-PID Controller

  • Malik M. A. Al-Isawi Department of Mechatronics Engineering/ Al-Khwarizmi college/ of Engineering/ University of Baghdad
  • Adnan J. Attiya Department of Mechatronics Engineering/ Al-Khwarizmi college/ of Engineering/ University of Baghdad
  • Julius O. ADOGHE Department of Mechanical and Aerospace/Carleton University/ Canada

Abstract

This paper presents the design of a longitudinal controller for an autonomous unmanned aerial vehicle (UAV). This paper proposed the dual loop (inner-outer loop) control based on the intelligent algorithm. The inner feedback loop controller is a Linear Quadratic Regulator (LQR) to provide robust (adaptive) stability. In contrast, the outer loop controller is based on Fuzzy-PID (Proportional, Integral, and Derivative) algorithm to provide reference signal tracking. The proposed dual controller is to control the position (altitude) and velocity (airspeed) of an aircraft. An adaptive Unscented Kalman Filter (AUKF) is employed to track the reference signal and is decreased the Gaussian noise. The mathematical model of aircraft has been (Cessna 172) presented. The stability and robustness of the system have been verified in a simulation experiment.

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Published
2020-09-01
How to Cite
A. Al-Isawi, M., Attiya, A., & ADOGHE, J. (2020). UAV Control Based on Dual LQR and Fuzzy-PID Controller. Al-Khwarizmi Engineering Journal, 16(3), 43-53. https://doi.org/10.22153/kej.2020.08.001