| 基于功率MOSFET的超磁致伸缩执行器驱动电源 |
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| 引用本文： | 杨兴,贾振元,武丹,郭东明,郭丽莎.基于功率MOSFET的超磁致伸缩执行器驱动电源[J].压电与声光,2001,23(1):33-36. |
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| 作者姓名： | 杨兴 贾振元 武丹 郭东明 郭丽莎 |
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| 作者单位： | 大连理工大学 机械工程学院, |
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| 基金项目： | 教育部高校博士点专项基金资助（200014109） |
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| 摘 要： | 在分析超磁致伸缩材料的驱动特性及超磁伸缩执行器驱动电源特点的基础上，采用连续调整型恒流源的原理，并选用功率MOSFET作为功率放大元件，研制出－3－＋3A连续可调的高精度超微致伸缩执行器驱动电源。实际测试的结果表明其性能良好，可以满足驱动超微致伸缩材料的要求。
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| 关 键 词： | 驱动电源 超磁致伸缩执行器 功率MOSFET 恒流源 |
| 文章编号： | 1004-2474（2001）01-0033-04 |
| 修稿时间： | 2000年6月26日 |
Study on Driving Power of Giant Magnetostrictive Actuator Based on Power MOSFET |
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| YANG Xing,JIA Zhen yuan,WU Dan,GUO Dong ming,GUO Li sha.Study on Driving Power of Giant Magnetostrictive Actuator Based on Power MOSFET[J].Piezoelectrics & Acoustooptics,2001,23(1):33-36. |
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| Authors: | YANG Xing JIA Zhen yuan WU Dan GUO Dong ming GUO Li sha |
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| Abstract: | In this paper，the driving characteristic of giantmagnetostrictive materials and the characteristic of driving power of giangt magnetostrictive actuator are analyzed．Then，based on the principle of constant current source which is adjusted continuously and using power MOSFET as power amplifier，a high precision driving power of giant magnetostrictive actuator is studied and manufactured whose output current can be adjusted continuously from －3～＋3 A．The experiment results show that the property of driving power is excellent and the driving power can meet the needs of driving of giant magnetostriction materials． |
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| Keywords: | driving power giant magnetostrictive actuator power MOSFET constant current source |
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