Modified adaptive discrete-time incremental nonlinear dynamic inversion control for quad-rotors in the presence of motor faults

K Ahmadi, D Asadi, SY Nabavi-Chashmi… - Mechanical Systems and …, 2023 - Elsevier
Unmanned air vehicles are intrinsically non-linear, unstable, uncertain, and prone to a
variety of faults, most commonly the motor faults. The main objective of this paper is to …

Adaptive backstepping controller design of quadrotor biplane for payload delivery

N Dalwadi, D Deb, SM Muyeen - IET Intelligent Transport …, 2022 - Wiley Online Library
Performance of the UAVs for a particular application can be enhanced by hybrid design,
where take‐off, hover, and landing happen like rotary‐wing UAVs, and flies like fixed‐wing …

Multi-optimization of novel conditioned adaptive barrier function integral terminal SMC for trajectory tracking of a quadcopter System

A Mughees, I Ahmad - IEEE Access, 2023 - ieeexplore.ieee.org
Researchers in the domain of unmanned aerial vehicles (UAVs) have recently shown a
great deal of interest in the quadcopter domain due to its wide variety of applications. In …

Conditioned adaptive barrier-based double integral super twisting SMC for trajectory tracking of a quadcopter and hardware in loop using IGWO algorithm

A Mughees, I Ahmad, N Mughees… - Expert Systems with …, 2024 - Elsevier
Researchers working in the field of unmanned aerial vehicles are observing rapid
developments in the field, such as the use of quadrotors to grasp, manipulate, and transport …

Satellite attitude control using optimal adaptive and fuzzy controllers

M Navabi, NS Hashkavaei, M Reyhanoglu - Acta Astronautica, 2023 - Elsevier
In this paper, a comparison between optimal adaptive and fuzzy control methods is
performed for the problem of satellite attitude control. The optimal adaptive controller is …

Attitude-pendulum-sloshing coupled dynamics of quadrotors slung liquid containers

K Zhu, J Huang, S Gnezdilov - Proceedings of the Institution …, 2022 - journals.sagepub.com
Quadrotors suspended water containers may be used for fire-fighting services.
Unfortunately, the complicated dynamics in this type of system degrade the flight safety …

Dual observer based adaptive controller for hybrid drones

N Dalwadi, D Deb, S Ozana - Drones, 2023 - mdpi.com
A biplane quadrotor (hybrid vehicle) benefits from rotary-wing and fixed-wing structures. We
design a dual observer-based autonomous trajectory tracking controller for the biplane …

Robust adaptive sliding mode control strategy of uncertain nonlinear systems

Y Soukkou, M Tadjine, QM Zhu… - Proceedings of the …, 2023 - journals.sagepub.com
This paper presents a robust adaptive sliding mode controller scheme as applied to a class
of uncertain nonlinear systems with parametric uncertainties and external disturbances …

Fine-Tuning Quadcopter Control Parameters via Deep Actor-Critic Learning Framework: An Exploration of Nonlinear Stability Analysis and Intelligent Gain Tuning

H Moin, UH Shah, MJ Khan, H Sajid - IEEE Access, 2024 - ieeexplore.ieee.org
Quadcopters have underactuated, nonlinear, and coupled dynamics, making their control a
challenging endeavor. However, PID controllers have exhibited remarkable performance for …

Controlability of multi-rotors under motor fault effect

D Asadi, K Ahmadi, S Nabavi-chashmi… - … Alparslan Türkeş Bilim …, 2021 - dergipark.org.tr
The multi-rotor unmanned aerial vehicles (UAVs) are being increasingly applied in both
military and civil applications. Motor fault or failure is a common type of fault on multi-rotors …