疲劳试验中移动横梁的建模与控制

IF 1.5 4区 工程技术 Q3 ENGINEERING, MECHANICAL
Wenang Jia, Chaojie Zhang, Zhanshang Li, Zeji Chen, Sheng Li
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引用次数: 0

摘要

疲劳试验机双液压缸移动梁的同步控制要求具有鲁棒性和高同步精度。同步控制精度受到多缸系统参数时变非线性、相互耦合和负载扰动的影响。为克服补偿响应慢、动态调节鲁棒性差等问题,提出了单缸自免疫、双缸模糊单神经元的新型控制策略。首先阐述了疲劳试验机动梁同步系统的工作原理,然后建立了非对称单缸、双缸及其同步控制系统的数学仿真模型,对其跟踪性能和同步性能进行了仿真分析。最后通过实验来验证仿真分析结果。结果表明,所设计的同步控制器能很好地满足疲劳试验机移动梁的应用要求。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Modelling and control of moving beam in fatigue testing

The synchronization control of its dual hydraulic cylinder moving beam in fatigue testing machine requires robustness and high synchronization accuracy. The synchronization control accuracy is affected by the time-varying nonlinearity of parameters, mutual coupling and load disturbance of the multi-cylinder system affect. A novel control strategy with single-cylinder self-immunity and double-cylinder fuzzy single neuron is proposed to overcome the slow compensation response and poor robustness of dynamic adjustability. First the working principle of the moving beam synchronization system of the fatigue testing machine is described, then the mathematical simulation model of the asymmetric single and double cylinders and their synchronization control system are established to carry out the simulation analysis of the tracking performance and synchronization performance. Finally the experimental is setup to verify the simulation analysis. The results show that the designed synchronization controller can meet the application requirements of the fatigue testing machine moving beam extremely well.

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来源期刊
Journal of Mechanical Science and Technology
Journal of Mechanical Science and Technology 工程技术-工程:机械
CiteScore
2.90
自引率
6.20%
发文量
517
审稿时长
7.7 months
期刊介绍: The aim of the Journal of Mechanical Science and Technology is to provide an international forum for the publication and dissemination of original work that contributes to the understanding of the main and related disciplines of mechanical engineering, either empirical or theoretical. The Journal covers the whole spectrum of mechanical engineering, which includes, but is not limited to, Materials and Design Engineering, Production Engineering and Fusion Technology, Dynamics, Vibration and Control, Thermal Engineering and Fluids Engineering. Manuscripts may fall into several categories including full articles, solicited reviews or commentary, and unsolicited reviews or commentary related to the core of mechanical engineering.
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