多故障激励下矿井提升交通工具横向振动响应特征及抑制

IF 1.2 4区 工程技术 Q3 ACOUSTICS
Jiannan Yao, Di Liu, Xiaojie Deng
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引用次数: 0

摘要

在矿井提升过程中,钢导轨的失效会激发起提升容器复杂而强烈的横向振动。本文主要揭示了界面错位、局部凸起、轨道间隙、弯曲变形、轨道倾斜等多种断层对矿井运输工具横向振动的响应特征。首先,建立了输送机与钢导轨的刚柔耦合虚拟样机模型;随后,对不同单一激励和耦合激励下容器的振动响应特性进行了仿真分析。最后,提出了一种新型的带磁流变阻尼器的滚子保持架鞋,以减小横向冲击响应。基于磁流变阻尼器的双曲切线模型,研究了半主动模糊PID控制方法,探讨了容器的振动抑制问题。结果表明,模糊PID方法能起到较好的减振效果。本文为矿井提升系统的虚拟仿真和半主动振动控制提供了一种较好的方案。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Response Characteristics and Suppression of Transverse Vibrations of Mine Hoisting Conveyances Excited by Multiple Faults
The failures of steel guides can excite complex and intense transverse oscillations of hoisting containers in the mine hoisting process. The present paper mainly contributes to reveal the response characteristics of the transverse oscillations of mine conveyances excited by various faults such as interface misalignment, local bulge, orbital gap, bending deformation, and orbital tilt. First, a rigid-flexible coupled virtual prototype model between the conveyance and the steel guide was established. Subsequently, the vibration response characteristics of the container under various single and coupling excitations were simulated and analyzed. Eventually, a new type of roller cage shoe with a magnetorheological damper was put forward to decrease the transverse impact responses. Based on the hyperbolic tangent model of magnetorheological dampers, a semiactive fuzzy PID method was studied to explore the vibration suppression of the container. The results showed the fuzzy PID method can play a good role in the vibration reduction. This paper can give a fine scheme for the virtual simulation and semiactive vibration control of the mine hoisting system.
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来源期刊
Shock and Vibration
Shock and Vibration 物理-工程:机械
CiteScore
3.40
自引率
6.20%
发文量
384
审稿时长
3 months
期刊介绍: Shock and Vibration publishes papers on all aspects of shock and vibration, especially in relation to civil, mechanical and aerospace engineering applications, as well as transport, materials and geoscience. Papers may be theoretical or experimental, and either fundamental or highly applied.
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