提高惯性阻尼器精度的数据驱动前馈控制

IF 3.2 3区工程技术 Q2 ENGINEERING, INDUSTRIAL

Cirp Annals-Manufacturing Technology Pub Date : 2024-01-01 DOI:10.1016/j.cirp.2024.04.007

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引用次数: 0

摘要

本文提出了一种新颖的控制策略，利用惯性阻尼器在重复性任务中最大限度地减少残余振动和过冲。在这项工作中，重复性任务期间收集的振动数据被用来生成完全预定的前馈补偿信号，以协助惯性阻尼器的原始反馈控制器进一步增强其振动缓解能力。最佳前馈信号是在连续操作中反复确定的，其中考虑到了执行器的行程和力限制。数值和实验结果验证了这种方法，与传统控制相比，在使用相同或更小的致动器力时，峰值振动显著降低（最高达 87%）。

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Data-driven feedforward control of inertial dampers for accuracy improvement

This paper presents a novel control strategy to minimize residual vibrations and overshoot using inertial dampers in repetitive tasks. In this work, vibration data collected during repeating task is utilized to generate a fully pre-scheduled feedforward compensation signal that assists the inertial damper's original feedback controller to further enhance its vibration mitigation capability. Optimal feedforward signal is determined iteratively over successive operations considering the actuator stroke and force limits. Numerical and experimental results validate the approach demonstrating significant (up to 87%) reduction in peak vibration while using equal or less actuator force as compared to the conventional control.

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来源期刊

Cirp Annals-Manufacturing Technology 工程技术-工程：工业

CiteScore

7.50

自引率

9.80%

发文量

137

审稿时长

13.5 months

期刊介绍： CIRP, The International Academy for Production Engineering, was founded in 1951 to promote, by scientific research, the development of all aspects of manufacturing technology covering the optimization, control and management of processes, machines and systems. This biannual ISI cited journal contains approximately 140 refereed technical and keynote papers. Subject areas covered include: Assembly, Cutting, Design, Electro-Physical and Chemical Processes, Forming, Abrasive processes, Surfaces, Machines, Production Systems and Organizations, Precision Engineering and Metrology, Life-Cycle Engineering, Microsystems Technology (MST), Nanotechnology.