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首页> 外文期刊>International Journal of Mechanical Engineering Education >A combination of a piezoelectric vibrator and a permanent magnet for non-contact positive and negative damping of a beam
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A combination of a piezoelectric vibrator and a permanent magnet for non-contact positive and negative damping of a beam

机译:压电振动器和永磁体的组合,用于梁的非接触式正负阻尼

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摘要

An attempt has been made to develop a non-contact actuator consisting of a piezoelectric vibrator and a permanent magnet. In a simple control system the actuator dissipates energy and works as a damper. The actuator can also work as a negative damper, by supplying energy to the system and making it unstable. The demonstration of a negatively damped unstable system makes this experiment interesting for students.
机译:已经尝试开发由压电振动器和永磁体组成的非接触致动器。在简单的控制系统中,执行器会耗散能量并充当阻尼器。通过向系统供电并使其不稳定,致动器还可以充当负阻尼器。负阻尼不稳定系统的演示使该实验对学生很有趣。

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