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偏置弹簧对SMA驱动器输出性能影响规律

杨宝锋 张小勇 闫晓军

杨宝锋, 张小勇, 闫晓军等 . 偏置弹簧对SMA驱动器输出性能影响规律[J]. 北京航空航天大学学报, 2015, 41(4): 707-712. doi: 10.13700/j.bh.1001-5965.2014.0297
引用本文: 杨宝锋, 张小勇, 闫晓军等 . 偏置弹簧对SMA驱动器输出性能影响规律[J]. 北京航空航天大学学报, 2015, 41(4): 707-712. doi: 10.13700/j.bh.1001-5965.2014.0297
YANG Baofeng, ZHANG Xiaoyong, YAN Xiaojunet al. Relationship between bias spring parameters and output performances of SMA actuators[J]. Journal of Beijing University of Aeronautics and Astronautics, 2015, 41(4): 707-712. doi: 10.13700/j.bh.1001-5965.2014.0297(in Chinese)
Citation: YANG Baofeng, ZHANG Xiaoyong, YAN Xiaojunet al. Relationship between bias spring parameters and output performances of SMA actuators[J]. Journal of Beijing University of Aeronautics and Astronautics, 2015, 41(4): 707-712. doi: 10.13700/j.bh.1001-5965.2014.0297(in Chinese)

偏置弹簧对SMA驱动器输出性能影响规律

doi: 10.13700/j.bh.1001-5965.2014.0297
基金项目: 国家自然科学基金资助项目(11272025); 中央高校基本科研业务费专项资金资助项目(YWF-14-RSC-014)
详细信息
    作者简介:

    杨宝锋(1989—),男,陕西延安人,硕士生,ybf1000@qq.com

    通讯作者:

    张小勇(1983—),男,贵州安顺人,讲师,zhangxy@buaa.edu.cn,主要研究方向为形状记忆合金智能结构、航天机构、固体力学.

  • 中图分类号: V44;V45

Relationship between bias spring parameters and output performances of SMA actuators

  • 摘要: 偏置弹簧参数对形状记忆合金(SMA,Shape Memory Alloy)驱动器的输出性能有着非常大的影响.为获得其影响规律,通过试验研究了不同偏置弹簧刚度以及不同弹簧预压缩载荷下,SMA驱动器的作动位移、响应速度的变化规律以及循环次数对驱动器性能的影响规律.试验结果表明,驱动器最大作动位移及响应速度随弹簧刚度或预载的增大而降低;驱动器性能在前几次循环中衰减较大,随着循环进行性能逐渐趋于稳定;弹簧预载的增大使驱动器性能稳定所需的循环次数减少,而弹簧刚度对驱动器输出性能的循环变化规律影响不大.

     

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出版历程
  • 收稿日期:  2014-05-23
  • 修回日期:  2014-08-20
  • 网络出版日期:  2015-04-20

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