Design and Optimization of Controller-Based Approach for Magnetic-Field Driven Robotic Arm Joints and End-Effector

IF 5.2 2区 计算机科学 Q2 ROBOTICS
Manpreet Kaur, Swati Sondhi, Venkata Karteek Yanumula
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引用次数: 0

Abstract

Magnetic Levitation (Maglev) is a technique that involves suspending an object using a magnetic field. This study presents a novel approach for robotic arm joints and end effectors by utilizing the functioning prototype of the Maglev system due to their similar functionality. The proposed approach utilizes a fractional-order enhanced model reference adaptive controller (FOEMRAC) in conjunction with the Coyote optimization algorithm (COA) to control the stability of levitating magnetic objects. The FOEMRAC system employs a modified MIT rule as its adaptation mechanism. The simulation is performed using the Quanser Maglev system, and a comparison is done with other state-of-the-art techniques such as linear quadratic regulator (LQR), particle swarm optimization-LQR (PSO-LQR), LQR + proportional integral (LQR + PI), LQR + proportional integral derivative (LQR + PID), proportional integral voltage + PI (PIV + PI), enhanced model reference adaptive controller (EMRAC), FOEMRAC, and PSO-FOEMRAC, respectively. The robustness of the controllers is assessed using various integral error criteria, such as integral absolute error (IAE), integral square error (ISE), and integral time absolute error (ITAE), respectively. Additionally, rise time, settling time, overshoot, and undershoot have been employed for comparison purposes with load disturbance and parametric uncertainties. The results are also validated on real-time hardware, demonstrating the superior performance of COA-FOEMRAC as compared to various controllers. Thus, it can be effectively employed to improve the functionality of the magnetic joints and magnetic end effectors in real-time applications. A video demonstrating the functioning of the Maglev system is available at this link: https://drive.google.com/file/d/1FrD1YKqRXSTTe44S2-ap126KljiVmOEU/view?usp=drivesdk.

Abstract Image

基于控制器的磁场驱动机械臂关节及末端执行器设计与优化
磁悬浮是一种利用磁场使物体悬浮的技术。由于其功能相似,本研究提出了一种利用磁悬浮系统功能原型的机械臂关节和末端执行器的新方法。该方法采用分数阶增强模型参考自适应控制器(FOEMRAC)与Coyote优化算法(COA)相结合来控制悬浮磁性物体的稳定性。FOEMRAC系统采用修改后的MIT规则作为自适应机制。采用Quanser磁悬浮系统进行仿真,并与其他先进技术进行了比较,如线性二次型调节器(LQR)、粒子群优化-LQR (PSO-LQR)、LQR +比例积分(LQR + PI)、LQR +比例积分导数(LQR + PID)、比例积分电压+ PI (PIV + PI)、增强型参考自适应控制器(EMRAC)、FOEMRAC和PSO-FOEMRAC。控制器的鲁棒性分别使用各种积分误差标准进行评估,如积分绝对误差(IAE)、积分平方误差(ISE)和积分时间绝对误差(ITAE)。此外,为了与负载扰动和参数不确定性进行比较,还采用了上升时间、稳定时间、超调和欠调。结果还在实时硬件上进行了验证,与各种控制器相比,COA-FOEMRAC具有优越的性能。因此,它可以有效地用于提高磁关节和磁末端执行器在实时应用中的功能。演示磁悬浮系统运作的视频可在此链接:https://drive.google.com/file/d/1FrD1YKqRXSTTe44S2-ap126KljiVmOEU/view?usp=drivesdk。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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来源期刊
Journal of Field Robotics
Journal of Field Robotics 工程技术-机器人学
CiteScore
15.00
自引率
3.60%
发文量
80
审稿时长
6 months
期刊介绍: The Journal of Field Robotics seeks to promote scholarly publications dealing with the fundamentals of robotics in unstructured and dynamic environments. The Journal focuses on experimental robotics and encourages publication of work that has both theoretical and practical significance.
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