Acceleration Harmonic Estimation for Hydraulic Servo Shaking Table Based on Multi-Innovation Stochastic Gradient Algorithm

Acceleration Harmonic Estimation for Hydraulic Servo Shaking Table Based on Multi-Innovation Stochastic Gradient Algorithm

As one of the critical test equipment, hydraulic servo shaking table is widely used in shaking environment simulation of structural components and systems. However, inherent nonlinear factors of a hydraulic servo shaking table can cause amplitude attenuation and phase lag when corresponding to a sin...

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Main Authors: Xiancheng Wang, Wei Li, Jianjun Yao, Zhenshuai Wan
Format: Article
Language:English
Published: Hindawi Limited 2020-01-01
Series:Mathematical Problems in Engineering
Online Access:http://dx.doi.org/10.1155/2020/3063469
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spelling doaj-5f5e90b7cae84d64aa62f94a2aec4c032020-11-25T01:54:15ZengHindawi LimitedMathematical Problems in Engineering1024-123X1563-51472020-01-01202010.1155/2020/30634693063469Acceleration Harmonic Estimation for Hydraulic Servo Shaking Table Based on Multi-Innovation Stochastic Gradient AlgorithmXiancheng Wang0Wei Li1Jianjun Yao2Zhenshuai Wan3State Key Laboratory of Fluid Power Transmission and Control, Zhejiang University, Hangzhou 310027, ChinaState Key Laboratory of Fluid Power Transmission and Control, Zhejiang University, Hangzhou 310027, ChinaCollege of Mechanical and Electrical Engineering, Harbin Engineering University, Harbin 150001, ChinaCollege of Mechanical and Electrical Engineering, Harbin Engineering University, Harbin 150001, ChinaAs one of the critical test equipment, hydraulic servo shaking table is widely used in shaking environment simulation of structural components and systems. However, inherent nonlinear factors of a hydraulic servo shaking table can cause amplitude attenuation and phase lag when corresponding to a sinusoidal acceleration signal, which leads to serious harmonic distortion. In order to improve waveform reproduction performance of sinusoidal signals, the amplitude and phase of harmonic should be estimated accurately. In this paper, the multi-innovation stochastic gradient (MISG) algorithm is presented for dynamically estimating the harmonic information. Simulation and experiment results demonstrate that the proposed algorithm has high estimation precision and good convergence performance.http://dx.doi.org/10.1155/2020/3063469
collection DOAJ
language English
format Article
sources DOAJ
author Xiancheng Wang
Wei Li
Jianjun Yao
Zhenshuai Wan
spellingShingle Xiancheng Wang
Wei Li
Jianjun Yao
Zhenshuai Wan
Acceleration Harmonic Estimation for Hydraulic Servo Shaking Table Based on Multi-Innovation Stochastic Gradient Algorithm
Mathematical Problems in Engineering
author_facet Xiancheng Wang
Wei Li
Jianjun Yao
Zhenshuai Wan
author_sort Xiancheng Wang
title Acceleration Harmonic Estimation for Hydraulic Servo Shaking Table Based on Multi-Innovation Stochastic Gradient Algorithm
title_short Acceleration Harmonic Estimation for Hydraulic Servo Shaking Table Based on Multi-Innovation Stochastic Gradient Algorithm
title_full Acceleration Harmonic Estimation for Hydraulic Servo Shaking Table Based on Multi-Innovation Stochastic Gradient Algorithm
title_fullStr Acceleration Harmonic Estimation for Hydraulic Servo Shaking Table Based on Multi-Innovation Stochastic Gradient Algorithm
title_full_unstemmed Acceleration Harmonic Estimation for Hydraulic Servo Shaking Table Based on Multi-Innovation Stochastic Gradient Algorithm
title_sort acceleration harmonic estimation for hydraulic servo shaking table based on multi-innovation stochastic gradient algorithm
publisher Hindawi Limited
series Mathematical Problems in Engineering
issn 1024-123X
1563-5147
publishDate 2020-01-01
description As one of the critical test equipment, hydraulic servo shaking table is widely used in shaking environment simulation of structural components and systems. However, inherent nonlinear factors of a hydraulic servo shaking table can cause amplitude attenuation and phase lag when corresponding to a sinusoidal acceleration signal, which leads to serious harmonic distortion. In order to improve waveform reproduction performance of sinusoidal signals, the amplitude and phase of harmonic should be estimated accurately. In this paper, the multi-innovation stochastic gradient (MISG) algorithm is presented for dynamically estimating the harmonic information. Simulation and experiment results demonstrate that the proposed algorithm has high estimation precision and good convergence performance.
url http://dx.doi.org/10.1155/2020/3063469
work_keys_str_mv AT xianchengwang accelerationharmonicestimationforhydraulicservoshakingtablebasedonmultiinnovationstochasticgradientalgorithm
AT weili accelerationharmonicestimationforhydraulicservoshakingtablebasedonmultiinnovationstochasticgradientalgorithm
AT jianjunyao accelerationharmonicestimationforhydraulicservoshakingtablebasedonmultiinnovationstochasticgradientalgorithm
AT zhenshuaiwan accelerationharmonicestimationforhydraulicservoshakingtablebasedonmultiinnovationstochasticgradientalgorithm
_version_ 1715633433430982656

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