Hybrid grey Wolf–Cuckoo search optimized linear quadratic regulator for robust quadrotor control [PDF]
Scientific ReportsAccurate position and altitude control of quadrotor Unmanned Aerial Vehicles (UAVs) is essential for mission-critical applications such as surveillance, defense, and autonomous delivery.
Renu Sharma +3 more
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The longitudinal qualitative research design in nursing, health, and social care research: philosophy, methodology, and methods [PDF]
BMC Medical Research MethodologyBackground The longitudinal qualitative research (LQR) approach is an emerging design in nursing research which focuses on examining changes in experiences over specified timepoints.
Jonathan Bayuo +3 more
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A Method of Fuzzy Algorithm in Controlling Ball and Beam through Simulation and Experiment [PDF]
Robotica & Management, 2021 In this paper, we present a way to create fuzzy controller from LQR method by using ANFIS toolbox of Matlab. First, after proving the ability of stability of this SIMO system under LQR method in Matlab/Simulink, we create a fuzzy controller through ANFIS
Thi-Thuy Hoang +7 more
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Alexandria Engineering Journal, 2022 Unmanned aerial vehicles (UAVs) are subject to the wind and other environmental disturbances that can destabilize them. The high performance and robustness of the Linear Quadratic Regulator (LQR) controllers ensure the ability to reduce the deviations in
Aisha Sir Elkhatem, Seref Naci Engin
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Improved LQR Control Using PSO Optimization and Kalman Filter Estimator
IEEE Access, 2022 The electric motor is a device that converts electrical power into mechanical power. The DC motor has some advantages compared to the AC motor on its easier way to control the speed or position and wide adjustable range. However, it still has some issues,
Hari Maghfiroh +3 more
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Control for the Space Tether System Motion
Journal of Aerospace Technology and Management, 2020 This paper proposed a study of a spatial tether system (STS), composed by two satellite (a main satellite and a subsatellite), with the objective of developing a control system in which the motion of the subsatellite is limited in the orbital plane of ...
Maria Cecilia Zanardi +2 more
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Linear Quadratic Optimal Control with the Finite State for Suspension System
Machines, 2023 The control algorithm could greatly help the suspension system improve the comprehensive performance of the vehicle. Existing control methods need to obtain the intermediate states, which are difficult to obtain directly or accurately when estimated by ...
Qidi Fu +5 more
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Feedback Linearized Optimal Control Design for Quadrotor With Multi-Performances
IEEE Access, 2021 Design of tracking controller for quadrotor is an important issue for many engineering fields such as COVID-19 epidemic prevention, intelligent agriculture, military photography and rescue nowadays.
Chung-Cheng Chen, Yen-Ting Chen
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Fractional-Order LQR and State Observer for a Fractional-Order Vibratory System
Applied Sciences, 2021 The present study uses linear quadratic regulator (LQR) theory to control a vibratory system modeled by a fractional-order differential equation. First, as an example of such a vibratory system, a viscoelastically damped structure is selected.
Akihiro Takeshita +3 more
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Intelligent Vehicle Lateral Control Method Based on Feedforward + Predictive LQR Algorithm
Actuators, 2021 Aiming at the problems of control stability of the intelligent vehicle lateral control method, single test conditions, etc., a lateral control method with feedforward + predictive LQR is proposed, which can better adapt to the problem of intelligent ...
Tao Yang +4 more
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