Modified under-actuated quadrotor model for forwarding flight in the presence of ground effect

Keshavarzian, Hasan; Daneshjou, K.

doi:10.1016/j.ast.2019.04.001

Cited by 13 publications

(2 citation statements)

References 20 publications

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“…As mentioned in section III.A, drones need to fly at low altitude to be able to capture detailed information about crops and soil at a closer range. Although, flying close to the ground creates "ground effect disturbances" [39]. This phenomenon is generated due to the interaction between the terrain and the UAV, which produces turbulences including vortexes.…”

Section: B Control Systemmentioning

confidence: 99%

Exploring the Technical Advances and Limits of Autonomous UAVs for Precise Agriculture in Constrained Environments

Miled,

Grande,

et al. 2023

2023 IEEE 19th International Conference on Automation Science and Engineering (CASE)

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In the field of precise agriculture with autonomous unmanned aerial vehicles (UAVs), the utilization of drones holds significant potential to transform crop monitoring, management, and harvesting techniques. However, despite the numerous benefits of UAVs in smart farming, there are still several technical challenges that need to be addressed in order to render their widespread adoption possible, especially in constrained environments. This paper provides a study of the technical aspect and limitations of autonomous UAVs in precise agriculture applications for constrained environments.

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Section: B Control Systemmentioning

confidence: 99%

Exploring the Technical Advances and Limits of Autonomous UAVs for Precise Agriculture in Constrained Environments

Miled,

Grande,

et al. 2023

2023 IEEE 19th International Conference on Automation Science and Engineering (CASE)

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“…where b N s 2 indicates the thrust factor, d N m s 2 is drag factor, l(m) is the distance between the centers of the quadrotor and the rotor, U i is the input vector components, and Ω i is the speed of rotor. Refer [18] for more information on the assumptions and saturation limits of control input vector. According to Sect.…”

Section: Appendixmentioning

confidence: 99%

PSO-based online estimation of aerodynamic ground effect in the backstepping controller of quadrotor

Keshavarzian

Daneshjou

2020

J Braz. Soc. Mech. Sci. Eng.

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Stability of landing and forward flight of unmanned aerial vehicles near the ground is one of the challenging problems in the quadrotor control system. In real-time operation, when the rotary-wing vehicle flies close to the ground, the thrust increases are called ground effect. According to the flight and environmental conditions and the quality of ground surface, the aerodynamic ground effect is varied continuously. In this paper, a backstepping controller is designed and adjusted by using particle swarm optimization. Controller adjustment is referred to as the process of online estimation of the ground effect in various conditions. The stability analysis is performed and guaranteed by Lyapunov theory. The simulation results indicate that the proposed method is highly practical and capable of tracking the desired trajectory appropriately.

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Ground effect on rotorcraft unmanned aerial vehicles: a review

Matus-Vargas

Gómez

Martínez-Carranza

2021

Intel Serv Robotics

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Modified under-actuated quadrotor model for forwarding flight in the presence of ground effect

Cited by 13 publications

References 20 publications

Exploring the Technical Advances and Limits of Autonomous UAVs for Precise Agriculture in Constrained Environments

Exploring the Technical Advances and Limits of Autonomous UAVs for Precise Agriculture in Constrained Environments

PSO-based online estimation of aerodynamic ground effect in the backstepping controller of quadrotor

Ground effect on rotorcraft unmanned aerial vehicles: a review

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