Adaptive dynamic surface control of a two‐axis gimbal system

Khayatian, Mohammad; Arefi, Mohammad Mehdi

doi:10.1049/iet-smt.2016.0005

Cited by 15 publications

(45 citation statements)

References 31 publications

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“…In section 2 of [1], the dynamic equations of a two-axis gimbal including actuator dynamics of an armature-controlled DC motor are described as follows:…”

Section: Error 1: Dynamic Modelmentioning

confidence: 99%

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Corrigendum: ‘Adaptive dynamic surface control of a two‐axis gimbal system’

Fathi

Bolandi

2023

IET Science Measure & Tech

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An adaptive Dynamic Surface Controller (DSC) is designed for a two‐axis gimbal system with actuator dynamics in the presence of parametric uncertainties in [1]. A Lyapunov stability analysis is used to guarantee the convergence of the tracking error to the origin and boundedness of all closed‐loop signals. The main objective of this corrigendum is to point out several errors that occurred throughout the paper, resulting in the inaccuracy of the used dynamic model and ineffectiveness of the proposed controller. It should be noted that taking into account the corrections stated in this corrigendum, the main result of the original paper is still valid.

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“…In section 2 of [1], the dynamic equations of a two-axis gimbal including actuator dynamics of an armature-controlled DC motor are described as follows:…”

Section: Error 1: Dynamic Modelmentioning

confidence: 99%

“…

An adaptive Dynamic Surface Controller (DSC) is designed for a two-axis gimbal system with actuator dynamics in the presence of parametric uncertainties in [1]. A Lyapunov stability analysis is used to guarantee the convergence of the tracking error to the origin and boundedness of all closed-loop signals.

…”

mentioning

confidence: 99%

Corrigendum: ‘Adaptive dynamic surface control of a two‐axis gimbal system’

Fathi

Bolandi

2023

IET Science Measure & Tech

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“…The camera or sensor system is located on the inner axis. Each axis is controlled by separate actuators, providing the torque and movement required for stabilization [5]. Two methods generally achieve line of sight (LOS) stabilization.…”

Section: Introductionmentioning

confidence: 99%

Gimbal Axes Control with PID Controllers

Şahin¹

2023

Gazi Üniversitesi Fen Bilimleri Dergisi Part C: Tasarım Ve Teknoloji

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Gimbal is a system in missiles that allows the seeker to lock onto the target and follow it and increases the angle of view with its mobility in two axes. In this study, the control of the axes of a two-axis gimbal system used in the missile was carried out. PID controller tuned with Particle Swarm Optimization (PSO) is used in the control algorithm. In the optimization, a smoother controller is aimed by using the multi-objective objective function, which also includes the controller output with the position error. At the same time, the bandwidth of the system is also included as a constraint. The Butterworth Polynomial Method (BPM), which can adjust the coefficient according to the bandwidth criterion, was used for comparison purposes. As a result of the experimental studies show that the PID tuned with PSO can control the system with a lower positional error by responding faster to external factors than the PID designed with BPM.

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“…However, this requires the designer to have a high level of expertise and knowledge in the field of independent joint control. In the future, there will be many studies for the multiaxis gimbal system that can be applied to flying devices to improve the quality of the system compared to the two-axis gimbal, as a new suggestion from the article Khayatian and Arefi [ 2 ]. I have drawn the conclusion of the article of Sasaki et al [ 3 ]; the studies for scheduled controllers which are designed for multiaxis (more than 3 axes) are still limited because of the complexity of the problem, including the algorithm.…”

Section: Introductionmentioning

confidence: 99%

The Stability of a Two-Axis Gimbal System for the Camera

Danh

2021

The Scientific World Journal

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Gimbal or an inertial stabilization platform (ISP) is used to stabilize the line of sight of an object or device that is tracking another object (LOS) with stationary or moving targets or targets moving forward. It can achieve precision when there is isolation between the tracker and the gimbal base. Studying the 2-axis tilt angle to create gimbal stability, especially in a camera, is a compelling subject for the automation field, as it is controlled by modern controllers. This paper presents a two-axis gimbal loop in which the LOS rate is stable, and I proceed to examine the stability of the system to get a better overview of the system properties. Through examining the stability of the system, I can choose from modern control methods to control them. The stability of the system used from the two analysis methods I present below gives me a visual view from the results achieved. The simulation is performed in MATLAB.

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Adaptive dynamic surface control of a two‐axis gimbal system

Cited by 15 publications

References 31 publications

Corrigendum: ‘Adaptive dynamic surface control of a two‐axis gimbal system’

Corrigendum: ‘Adaptive dynamic surface control of a two‐axis gimbal system’

Gimbal Axes Control with PID Controllers

The Stability of a Two-Axis Gimbal System for the Camera

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