Publication Type:

Journal Article

Source:

Global Colloquium in Recent Advancement and Effectual Researches in Engineering, Science and Technology (RAEREST 2016) , Volume 25, p.36–43 (2016)

Keywords:

Control boundedness; Integral Sliding Mode Control (ISMC) ; longitudinal guidance; Sliding Mode Control (SMC);UAVs.

Abstract:

This paper proposes a nonlinear scheme for guidance and longitudinal control of Unmanned Aerial Vehicle(UAV). The main
objective of the guidance algorithm is to minimize the errors in altitude and flight path angle of the vehicle during flight. The
guidance scheme must perform well in the case of small as well as large longitudinal errors, without saturating the pitch angle of
the vehicle, which act as the control input. Integral Sliding Mode Control(ISMC) is used in longitudinal control of UAV. It is an
improved sliding control method. Initially a linear sliding surface is employed for longitudinal guidance but it cannot provide
satisfactory performance for both large and small errors in altitude and flight path angle and hence a nonlinear sliding surface is
proposed. The simulations are carried out in MATLAB®/SIMULINK®.The simulation results show the effectiveness and
robustness of the proposed control scheme.

Cite this Research Publication

A. Vivek and Haridas, V., “Longitudinal Guidance of Unmanned Aerial Vehicle Using Integral Sliding Mode Control”, Global Colloquium in Recent Advancement and Effectual Researches in Engineering, Science and Technology (RAEREST 2016) , vol. 25, pp. 36–43, 2016.

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