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首页> 外文期刊>Sensors and Actuators, A. Physical >Flow control valve for pneumatic actuators using particle excitation byPZT vibrator
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Flow control valve for pneumatic actuators using particle excitation byPZT vibrator

机译:气动执行器的流量控制阀,使用PZT振动器激励颗粒

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This paper reports a new flow control valve for pneumatic actuators that has a lightweight and simplestructure and uses particle excitation by PZT vibrator. The flow control valve in this report consists of anorifice plate which has plural orifices, PZT vibrator which is adhered on the orifice plate and iron particles.The valve is normally closed, because air flow carries the particles on to the orifice and particles seal theair flow. Because the orifice plate excitation by the PZT vibrator works to make the particles away fromthe orifice plate, the air flows through the orifices. It is driven at resonance mode and can be used as avariable speed controller for pneumatic actuators. The new flow control valve avoids the stopping shockof pneumatic actuators at the stroke ends while retaining the advantages of pneumatic actuators.
机译:本文报道了一种用于气动执行器的新型流量控制阀,该阀具有轻巧和简单的结构,并利用PZT振动器激励颗粒。本报告中的流量控制阀由具有多个孔的节流板,粘附在孔板上的PZT振动器和铁颗粒组成。由于空气将颗粒带到孔上并且颗粒密封了空气流,因此该阀通常处于关闭状态。由于PZT振动器激励孔板以使颗粒远离孔板,因此空气流过孔。它在共振模式下驱动,可用作气动执行器的变速控制器。新的流量控制阀避免了气动执行器在冲程末端的停止冲击,同时保留了气动执行器的优点。

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