Parameter Estimation Based on Multiple Modulation Zoom Spectrum Analysis Applied to Roller Eccentric Harmonic

XU Xiang-yu; LI Hai-long

doi:10.3969/j.issn.0372-2112.2016.10.017

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Parameter Estimation Based on Multiple Modulation Zoom Spectrum Analysis Applied to Roller Eccentric Harmonic

更新时间：2025-07-16

- Parameter Estimation Based on Multiple Modulation Zoom Spectrum Analysis Applied to Roller Eccentric Harmonic
- Acta Electronica Sinica Vol. 44, Issue 10, Pages: 2398-2402(2016)
- 作者机构：
  
  1. 内蒙古科技大学信息工程学院,内蒙古,包头,014010
  2. 太原理工大学信息工程学院,山西,太原,030000
  3. 内蒙古科技大学信息工程学院,内蒙古,包头,014010
  4. 太原理工大学信息工程学院,山西,太原,030000
- 作者简介：
- 基金信息：
- DOI：10.3969/j.issn.0372-2112.2016.10.017
  CLC： TP273TG333.17
- Published：2016
- 稿件说明：
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XU Xiang-yu, LI Hai-long. Parameter Estimation Based on Multiple Modulation Zoom Spectrum Analysis Applied to Roller Eccentric Harmonic[J]. Acta Electronica Sinica, 2016, 44(10): 2398-2402.
DOI：

XU Xiang-yu, LI Hai-long. Parameter Estimation Based on Multiple Modulation Zoom Spectrum Analysis Applied to Roller Eccentric Harmonic[J]. Acta Electronica Sinica, 2016, 44(10): 2398-2402. DOI： 10.3969/j.issn.0372-2112.2016.10.017.

摘要

针对轧辊的上、下支撑辊偏心信号是密集型频谱的特点，提出了一种基于复调制细化谱分析方法的轧辊偏心谐波参数估计新方法.利用复调制细化谱分析方法准确估计出偏心谐波的频率及幅值；同时，结合快速傅里叶变换算法估计出偏心谐波的相角参数.仿真实验结果验证了该方法在偏心谐波参数估计上的有效性和可行性.

Abstract

For the roller eccentric signal of upper and lower support rolls is intensive spectrum.In this paper

a new roller eccentric harmonic parameter estimation method is presented

which is the harmonic parameter estimation based on multiple modulation zoom spectrum analysis.Using multiple modulation zoom spectrum analysis algorithm to accurately estimate the frequency and amplitude of eccentricity harmonics;At the same time

combined with the FFT (Fast Fourier Transform) algorithm to estimate phase parameters of the eccentric harmonic.The simulation results show that this method is effective and feasible for eccentric harmonic parameter estimation.

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