| Li Xiangmin（李相敏）,Fang Yubin,Zhu Xiaojin,Huang Yonghui,Zhou Yijia.[J].高技术通讯(英文),2020,26(2):178~187 |
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| Active micro-vibration control based on improved variable step size LMS algorithm |
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| DOI：doi：10.3772/j.issn.1006-6748.2020.02.007 |
| 中文关键词: |
| 英文关键词: adaptive filtering, variable step size least mean square (LMS) algorithm, logarithmic and symbolic functions, convergence and steady state error, active control of micro vibration |
| 基金项目: |
| Author Name | Affiliation | | Li Xiangmin（李相敏） | (School of Mechatronics Engineering and Automation,Shanghai University, Shanghai 200240, P.R.China) | | Fang Yubin | (School of Mechatronics Engineering and Automation,Shanghai University, Shanghai 200240, P.R.China) | | Zhu Xiaojin | (School of Mechatronics Engineering and Automation,Shanghai University, Shanghai 200240, P.R.China) | | Huang Yonghui | (School of Mechatronics Engineering and Automation,Shanghai University, Shanghai 200240, P.R.China) | | Zhou Yijia | (School of Mechatronics Engineering and Automation,Shanghai University, Shanghai 200240, P.R.China) |
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| 中文摘要: |
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| 英文摘要: |
| The contradiction of variable step size least mean square (LMS) algorithm between fast convergence speed and small steady-state error has always existed. So, a new algorithm based on the combination of logarithmic and symbolic function and step size factor is proposed. It establishes a new updating method of step factor that is related to step factor and error signal. This work makes an analysis from 3 aspects: theoretical analysis, theoretical verification and specific experiments. The experimental results show that the proposed algorithm is superior to other variable step size algorithms in convergence speed and steady-state error. |
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