| 基于超磁致伸缩致动器的脉冲喷射开关阀建模与仿真 |
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| 引用本文： | 孟爱华,吕福在,程耀东.基于超磁致伸缩致动器的脉冲喷射开关阀建模与仿真[J].机械工程学报,2009,45(8):303-307. |
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| 作者姓名： | 孟爱华 吕福在 程耀东 |
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| 作者单位： | 杭州电子科技大学机械学院;浙江大学现代制造工程研究所 |
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| 基金项目： | 国家自然科学基金，浙江省自然科学基金 |
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| 摘 要： | 利用超磁致伸缩致动器(Giant magnetostrictive actuator, GMA)应变率大、响应频率高的优点和脉冲喷射装置的结构特点设计了基于GMA的脉冲喷射开关阀，分别分析GMA和脉冲喷射开关阀本体在动态工作条件下的系统传递函数，综合分析后建立阀的流量、喷射速度与驱动电流之间的系统方框图和传递函数。Simulink的开关阀动态仿真结果显示，基于GMA的脉冲喷射开关阀的工作频带宽度大于400 Hz，可满足大部分喷射装置的工作要求。GMA位移扫频试验结果表明，该模型在低频范围内可正确反映开关阀的动态特性，高频范围内需考虑温度和磁滞的影响。
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| 关 键 词： | 超磁致伸缩致动器 建模 脉冲喷射开关阀 |
Modeling and Simulation of Pulsed Jet On-off Valve Based on GMA |
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| MENG Aihua,LV Fuzai,CHENG Yaodong.Modeling and Simulation of Pulsed Jet On-off Valve Based on GMA[J].Chinese Journal of Mechanical Engineering,2009,45(8):303-307. |
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| Authors: | MENG Aihua LV Fuzai CHENG Yaodong |
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| Affiliation: | College of Mechanical Engineering, Hangzhou Dianzi University Modern Manufacturing Engineering Institute, Zhejiang University |
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| Abstract: | The advantages of high strain rate and high response frequency of giant magnetostractive actuator(GMA) and the structure characteristics of pulsed jet on-off device are utilized to build a new kind of pulsed jet on-off valve based on GMA.The system transfer functions of GMA and the main body of pulsed jet on-off valve under dynamic working condition are analyzed respectively.The system block diagram and transfer function between the flux and the jet speed of pulsed jet on-off valve with the driving current ... |
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| Keywords: | Pulsed jet on-off valve Giant magnetostrictive actuator Modeling |
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