| 次级通道估计误差对Fx-Newton算法的影响 |
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| 引用本文： | 张能,何琳,李彦,王迎春.次级通道估计误差对Fx-Newton算法的影响[J].国防科技大学学报,2020,42(1):133-138. |
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| 作者姓名： | 张能 何琳 李彦 王迎春 |
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| 作者单位： | 海军工程大学 振动与噪声研究所, 湖北 武汉 430033;海军工程大学 船舶振动噪声重点实验室, 湖北 武汉 430033,海军工程大学 振动与噪声研究所, 湖北 武汉 430033;海军工程大学 船舶振动噪声重点实验室, 湖北 武汉 430033,海军工程大学 振动与噪声研究所, 湖北 武汉 430033;海军工程大学 船舶振动噪声重点实验室, 湖北 武汉 430033,海军工程大学 振动与噪声研究所, 湖北 武汉 430033;海军工程大学 船舶振动噪声重点实验室, 湖北 武汉 430033 |
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| 基金项目： | 军事科技领域青年人才托举工程资助项目(18-JCJQ-QT-002) |
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| 摘 要： | Fx-Newton算法在执行过程中需要估计次级通道模型,针对主被动隔振工程应用中次级通道估计存在误差的问题,假设输入信号为正弦信号,建立含次级通道估计误差的Fx-Newton算法结构模型,推导了Fx-Newton算法的稳定性条件,并就相位误差和幅值误差对Fx-Newton算法稳定性和收敛性的影响做了详细阐述。最后对两自由度主被动隔振模型开展仿真研究,验证了理论分析结果。
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| 关 键 词： | 主被动隔振 次级通道估计 Fx-Newton算法 幅值误差 相位误差 |
| 收稿时间： | 2018/9/7 0:00:00 |
Effects of estimation errors of the secondary path on the Fx-Newton algorithm |
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| ZHANG Neng,HE Lin,LI Yan,WANG Yingchun.Effects of estimation errors of the secondary path on the Fx-Newton algorithm[J].Journal of National University of Defense Technology,2020,42(1):133-138. |
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| Authors: | ZHANG Neng HE Lin LI Yan WANG Yingchun |
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| Institution: | Institute of Vibration & Noise, Naval University of Engineering, Wuhan 430033, China;National Key Laboratory on Ship Vibration & Noise, Naval University of Engineering, Wuhan 430033, China,Institute of Vibration & Noise, Naval University of Engineering, Wuhan 430033, China;National Key Laboratory on Ship Vibration & Noise, Naval University of Engineering, Wuhan 430033, China,Institute of Vibration & Noise, Naval University of Engineering, Wuhan 430033, China;National Key Laboratory on Ship Vibration & Noise, Naval University of Engineering, Wuhan 430033, China and Institute of Vibration & Noise, Naval University of Engineering, Wuhan 430033, China;National Key Laboratory on Ship Vibration & Noise, Naval University of Engineering, Wuhan 430033, China |
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| Abstract: | Estimation of the secondary path model is required in the implementation of the Fx-Newton algorithm. Aiming at the problem that errors exist in the estimation of the secondary path model in the active-passive vibration isolation engineering application, providing that the input signal is a sine signal, the structure model of the Fx-Newton algorithm was established, considering the error of the estimation of the secondary path model. Stability condition of the Fx-Newton algorithm was deduced. Effects of the amplitude and phase errors on the stability and convergence of the Fx-Newton algorithm were elaborated. Finally, simulations for a two-degree-of-freedom active-passive vibration isolation model were conducted and the theoretical analysis results were verified. |
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| Keywords: | active-passive vibration isolation estimation of the secondary path Fx-Newton algorithm amplitude error phase error |
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