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Experimental and analytical studies of a novel semi-active piezoelectric coulomb damper

机译：一种新型半活性压电库仑阻尼器的实验和分析研究

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摘要

This paper presents an analytical and experimental study of a novel, patent pending, semi-active piezoelectric coulomb damper. A piezoelectric stack actuator is used to modulate the friction force of a passive coulomb damper resulting in high ranges of controllable friction forces. First, the piezoelectric coulomb damper is introduced and its method of operation is described. Experimental results are presented that reveal the static and dynamic frictional force behavior of the damper. An analytical model is developed and the results are compared with the experimental data. The force range of the piezoelectric coulomb damper was observed to be between approximately 890 N to 11 kN. It has a total stroke of +- 13 mm and requires less than 0.5 W power. For a relatively small volume device, 10 cm x 6.3 cm x 6.3 cm, it is able to provide a large range of forces exceeding the capabilities of many other types of semi-active dampers.
机译：本文介绍了一种新颖，专利申请半主动压电库仑阻尼器的分析和实验研究。压电堆叠致动器用于调节被动库仑阻尼器的摩擦力，得到的可控摩擦力的高范围。首先，引入压电库仑阻尼器，并描述其操作方法。提出了实验结果，揭示了阻尼器的静态和动态摩擦力行为。开发了一个分析模型，并将结果与​​实验数据进行比较。观察压电库仑阻尼器的力范围为约890n至11kN。它的总冲程+ - 13毫米，需要小于0.5 W。对于相对较小的容积装置，10cm×6.3cm×6.3厘米，能够提供超过许多其他类型的半主动阻尼器的能力的大量力。

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