Abstract

This article is about solving the problem of maintaining the resonant vibration mode in a vibration transport and production machine with self-synchronizing vibration exciters at an undetermined mass of work material. An algorithm for maintaining automatic resonant mode maintenance is proposed. This algorithm is based on using preliminary numerical modeling (dynamic portrait) results and allows calculating the natural frequency (work material mass) in the real-time mode and implementing the necessary control over the vibration exciter rotation frequency according to the phase difference between the perturbation force and the oscillations of the working body. The results of numerically modeling the tuning of the vibration machine to the resonant mode while using the developed algorithm with variations in the mass of the work material are provided. A laboratory oscillation wobbler screen prototype is designed and equipped with an automatic resonant mode maintenance system. The operational ability and efficiency of the proposed solutions is confirmed by numerical and full-scale test results.

中文翻译：

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使用不平衡激振器维持振动传输和生产机器的共振模式

摘要

本文旨在解决在具有自同步激振器的振动运输和生产机器中，在工作材料质量不确定的情况下维持共振模式的问题。提出了一种自动维持谐振模式的算法。该算法基于使用初步数值建模（动态肖像）结果，允许实时计算固有频率（工作材料质量），并根据扰动之间的相位差对激振器旋转频率实施必要的控制。力和工作体的振动。提供了使用开发的算法随着工作材料质量的变化对振动机调谐到谐振模式进行数值模拟的结果。设计了实验室振荡摇摆筛原型并配备了自动谐振模式维护系统。数值和全面测试结果证实了所提出解决方案的运行能力和效率。