| 被动式永磁阻尼器设计中磁转矩的工程计算 |
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| 引用本文： | 池佳宁,张一鸣,张明. 被动式永磁阻尼器设计中磁转矩的工程计算[J]. 机械设计, 2012, 29(2): 11-15 |
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| 作者姓名： | 池佳宁 张一鸣 张明 |
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| 作者单位： | 北京工业大学电磁新技术中心,北京,100022 |
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| 基金项目： | 国家自然科学基金资助项目 |
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| 摘 要： | 介绍了2种计算被动式永磁阻尼器磁转矩的工程方法,即高斯定理法和磁场有限元法。通过具体模型对比了2种方法的计算特点,并使用有限元软件Ansoft分析了永磁阻尼器各参数对输出的磁转矩的影响。用Ansoft仿真与实际测试结果进行了对比,验证了有限元法有较好的计算精度,适合在工程实际中推广。
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| 关 键 词： | 永磁阻尼器 磁转矩 高斯定理法 有限元计算 |
Engineering calculation of magnetic torque in design of passive permanent magnet damper |
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| CHI Jia-ning , ZHANG Yi-ming , ZHANG Ming. Engineering calculation of magnetic torque in design of passive permanent magnet damper[J]. Journal of Machine Design, 2012, 29(2): 11-15 |
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| Authors: | CHI Jia-ning ZHANG Yi-ming ZHANG Ming |
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| Affiliation: | (Electromagnetic New Technology Center,Beijing University Of Technology,Beijing 100022,China) |
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| Abstract: | This paper introduces two engineering methods calculating magnetic torque of passive permanent magnet damper,i.e.Gauss theorem method and magnetic field finite element method.Comparison between calculation characteristics of these two methods has been conducted through concrete models,the influence on output magnetic torque by different parameters of permanent magnet damper was analyzed by applying Ansoft FEM software.The results of simulation by Ansoft and actual test were compared,it was verified that the finite element method has better calculation precision,and it is suitable for engineering practice promotion. |
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| Keywords: | permanent magnetic damper magnetic torque Gauss theorem method finite element calculation |
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