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首页> 外文会议>2010 IEEE/ASME International Conference on Advanced Intelligent Mechatronics >Experimental analysis on pneumatic flow control valve driven by PZT vibrator
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Experimental analysis on pneumatic flow control valve driven by PZT vibrator

机译：PZT振动器驱动的气动流量控制阀的实验分析

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Recently, pneumatic actuators are widely used in the automation machine equipments because they are simple, lightweight, and highly compliant. Valve that can realize a continuous flowing quantity control is necessary to control air actuators precisely, while in general, such a valve is large. This study aims at the development of a new flow control valve that has a lightweight and simple structure and uses piezoelectric oscillator which is driven at resonance mode and it can control flow-rate by controlling the amplitude of the particles excitation. The flow control valve in this report is 10 mm in diameter and 9 mm in height. We had already achieved ON/OFF control of large flowing quantity with the valve. In this report, we research dynamic characteristics and properties under high air pressure. As the results of experiments, we found that the valve response time is 29 ms and the valve vibration property changed under air pressure. We confirmed its mechanism and found condition to control flow rate continuously.
机译：近年来，气动执行器由于其简单，轻便和高度顺应性而被广泛用于自动化机器设备中。为了精确地控制空气致动器，需要能够实现连续流量控制的阀，尽管通常这种阀较大。这项研究的目的是开发一种新型的流量控制阀，该阀具有轻巧简单的结构，并使用以谐振模式驱动的压电振荡器，并且可以通过控制粒子激发的幅度来控制流量。本报告中的流量控制阀直径为10毫米，高度为9毫米。我们已经通过阀门实现了大流量的开/关控制。在本报告中，我们研究了在高压下的动态特性和性能。作为实验结果，我们发现阀门响应时间为29 ms，并且阀门振动特性在气压下发生了变化。我们确认了其机理并找到了连续控制流量的条件。

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