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A new type of quadratic acceleration method

Changqing LI, Menglin LOU,

Frontiers of Structural and Civil Engineering 2010, Volume 4, Issue 3,   Pages 302-310 doi: 10.1007/s11709-010-0026-1

Abstract: The polynomial acceleration method for time history analysis is presented, in which accelerations betweenWith a higher order polynomial used, a higher accuracy can be obtained, but the stability field of the methodWhen stability field and computational accuracy are taken into account at the same time, the quadratic accelerationmethod is superior to linear and cubic acceleration methods in choosing the maximum acceptable timeIt is also shown that the quadratic acceleration method has desirable arithmetic damp, amplitude decay

Keywords： polynomial acceleration method     convergence     stability     square acceleration method    

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Position-varying surface roughness prediction method considering compensated acceleration in milling

Frontiers of Mechanical Engineering 2021, Volume 16, Issue 4,   Pages 855-867 doi: 10.1007/s11465-021-0649-z

Abstract: prediction in the machining process, this paper proposes a position-varying surface roughness prediction methodbased on compensated acceleration by using regression analysis.The actual vibration state at any processing position is obtained through the single-point monitoring accelerationSeven acceleration features are extracted, and valley, which has the highest R-square proving

Keywords： surface roughness prediction     compensated acceleration     milling     thin-walled workpiece    

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Existence of complete band gaps in 2D steel-water phononic crystal with square lattice

Cunfu HE, Huanyu ZHAO, Ruiju WEI, Bin WU

Frontiers of Mechanical Engineering 2010, Volume 5, Issue 4,   Pages 450-454 doi: 10.1007/s11465-010-0105-y

Abstract: band gaps in two-dimensional (2D) phononic crystal consisting of parallel steel rods in water with squareThe band structure of phononic crystal is calculated by a plane wave expansion (PWE) method.

Keywords： phononic crystal     plane wave expansion (PWE) method     experimental study    

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Generalization and application in time series forecasting of the least square support vector machinemethod

Xiang Xiaodong

Strategic Study of CAE 2008, Volume 10, Issue 11,   Pages 89-92

Abstract: contains more future information than historical data in time-series,the paper extends the prediction methodof least square support vector machine and obtains a more general prediction model of least square supporttime-series show that the extended model is more effective.Therefore it improves the value of the prediction methodof least square support vector machine.

Keywords： least square support vector machine     generalization     time series     forecasting    

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The S-N Curve Fitted by the Least Square Method Considering the Effect of Length of the Confidence Interval

Yang Xiaohua,Jin Ping,Yao Weixing

Strategic Study of CAE 2004, Volume 6, Issue 4,   Pages 41-43

Abstract: Founding on physical mechanism, this paper presents a weighted least square method in which the weighThe calculating results show that the S-N curve which is gained by the least square method consideringconfidence interval is more reliable and secure than the S-N curve which is gained by general least squaremethod.

Keywords： confidence interval     fatigue life     least square method     S-N curve    

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A Precision-Positioning Method for a High-Acceleration Low-Load Mechanism Based on Optimal Spatial and Article

Xin Chen,Youdun Bai,Zhijun Yang,Jian Gao,Gongfa Chen

Engineering 2015, Volume 1, Issue 3,   Pages 391-398 doi: 10.15302/J-ENG-2015063

Abstract:

High-speed and precision positioning are fundamental requirements for high-acceleration low-load mechanismsIn this paper, we derive the transient nonlinear dynamicresponse equations of high-acceleration mechanismsof a high-acceleration mechanism based on optimal spatial and temporal distribution of inertial energyOur method was verified on a high-acceleration die bonder.This method provides an effective theoretical support for the precision positioning of high-acceleration

Keywords： high-acceleration low-load mechanism     precision positioning     spatial and temporal distribution     inertialenergy     equivalent static loads method (ESLM)     velocity planning    

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Tessellation Rule and Properties Programming of Origami Metasheets Built with a Mixture of Rigid and Non-Rigid Square-Twist Article

Jiayao Ma, Shixi Zang, Yan Chen, Zhong You

Engineering 2022, Volume 17, Issue 10,   Pages 82-92 doi: 10.1016/j.eng.2022.02.015

Abstract: In this paper, we propose a new kind of origami metasheet by incorporating a family of different square-twist

Keywords： Origami metamaterials     Metasheets     Square-twist pattern     Non-periodic tessellation     Programmability    

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Modified Performance Index Method for Parameter Estimation for Industrial Process with Time-varying

Zhang Chenghui

Strategic Study of CAE 2001, Volume 3, Issue 11,   Pages 54-59

Abstract:

A new estimation method based on modified performance index is proposed for time-varying process toavoid the ill-condition of least squares method.Based on the new method,a series of new recursive algorithms such as the new recursive least squaresThe new identification method can ease the ill-condition and improve the identification accuracy without

Keywords： parameter estimation     method of calculation     least square method     time-varying system     industrial production    

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Experimental study of structural damage identification based on modal parameters and decay ratio of acceleration

Zhigen WU, Guohua LIU, Zihua ZHANG

Frontiers of Structural and Civil Engineering 2011, Volume 5, Issue 1,   Pages 112-120 doi: 10.1007/s11709-010-0069-3

Abstract: A novel damage assessment method based on the decay ratio of acceleration signals (DRAS) was proposedIn addition, a new method was compared with the linear modal-based damage assessment using wavelet transform

Keywords： damage assessment     decay ratio of acceleration signals (DRAS)     wavelet transform (WT)     modal analysis     reinforced    

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Design and characteristics of electric supercharger for diesel engine acceleration by additional rapid

YAO Chun-de, ZHOU Hong-xiu

Frontiers of Mechanical Engineering 2006, Volume 1, Issue 4,   Pages 409-412 doi: 10.1007/s11465-006-0048-5

Abstract: motor was developed to solve the problem of smoke caused by the turbocharger s sluggish response during accelerationTherefore, it is a feasible way to reduce smoke emission and improve the acceleration performance.

Keywords： acceleration     velocity distribution     high-speed brushless     turbocharger     electric supercharger    

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Usability perceptions and beliefs about smart thermostats by chi-square test, signal detection theory

Pedro PONCE, Therese PEFFER, Arturo MOLINA

Frontiers in Energy 2019, Volume 13, Issue 3,   Pages 522-538 doi: 10.1007/s11708-018-0562-2

Abstract: This paper proposes the use of a signal detection theory (SDT), fuzzy detection theory (FDT), and chi-square

Keywords： thermostats     perceptions     beliefs     signal detection theory (SDT)     fuzzy signal detection theory (FSDT)     chi-square    

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The research on method of geometry-control during erection of the short-line bridge

Wang Min,Zhang Yongtao,Liu Jinghong,Liu Yi,Huang Yue

Strategic Study of CAE 2009, Volume 11, Issue 11,   Pages 79-81

Abstract: ">Focus on error control during fabricating and suspended splicing of box girders with segmentation methoderror reasons, and the combination with practical engineering—Sutong B2, it discussed control method, computing method and sensitive analysis method of linear control of prefabricated pre-stressed continuousbeam bridge assembly with short line method.

Keywords： geometry-control     error analysis     least square method     erection of the short-line method    

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Theoretical study on the confine-stiffening effect and fractal cracking of square concrete filled steel

Frontiers of Structural and Civil Engineering 2021, Volume 15, Issue 6,   Pages 1317-1336 doi: 10.1007/s11709-021-0763-3

Abstract: Based on an experimental program on tension performance of three square concrete-filled tubes (SCFT),

Keywords： square concrete filled tubes     confine-stiffening     confine-strengthening     fractal cracking     fracture    

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Reliability assessment of three-dimensional bearing capacity of shallow foundation using fuzzy set theory

Rajarshi PRAMANIK, Dilip Kumar BAIDYA, Nirjhar DHANG

Frontiers of Structural and Civil Engineering 2021, Volume 15, Issue 2,   Pages 478-489 doi: 10.1007/s11709-021-0698-8

Abstract: The aim of this study is to investigate the applicability of reliability theory on surface square/rectangularfooting against bearing capacity failure using fuzzy set theory in conjunction with the finite element method

Keywords： finite element method     square footing     reliability analysis     fuzzy set theory     coefficient of variation     spatial    

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System identification of channel roughness for middle route project of south to north water diversion

Yang Kailin,Wang Yisen

Strategic Study of CAE 2012, Volume 14, Issue 11,   Pages 17-23

Abstract:

This paper presents a new method for the system identification of channelR, and deduce the linear model by means of the mathematical transformation to make use of the least squaremethod for the identification.

Keywords： channel     roughness     system identification     least square method    

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Title Author Date Type Operation

A new type of quadratic acceleration method

Changqing LI, Menglin LOU,

Journal Article

Position-varying surface roughness prediction method considering compensated acceleration in milling

Journal Article

Existence of complete band gaps in 2D steel-water phononic crystal with square lattice

Cunfu HE, Huanyu ZHAO, Ruiju WEI, Bin WU

Journal Article

Generalization and application in time series forecasting of the least square support vector machinemethod

Xiang Xiaodong

Journal Article

The S-N Curve Fitted by the Least Square Method Considering the Effect of Length of the Confidence Interval

Yang Xiaohua,Jin Ping,Yao Weixing

Journal Article

A Precision-Positioning Method for a High-Acceleration Low-Load Mechanism Based on Optimal Spatial and

Xin Chen,Youdun Bai,Zhijun Yang,Jian Gao,Gongfa Chen

Journal Article

Tessellation Rule and Properties Programming of Origami Metasheets Built with a Mixture of Rigid and Non-Rigid Square-Twist

Jiayao Ma, Shixi Zang, Yan Chen, Zhong You

Journal Article

Modified Performance Index Method for Parameter Estimation for Industrial Process with Time-varying

Zhang Chenghui

Journal Article

Experimental study of structural damage identification based on modal parameters and decay ratio of acceleration

Zhigen WU, Guohua LIU, Zihua ZHANG

Journal Article

Design and characteristics of electric supercharger for diesel engine acceleration by additional rapid

YAO Chun-de, ZHOU Hong-xiu

Journal Article

Usability perceptions and beliefs about smart thermostats by chi-square test, signal detection theory

Pedro PONCE, Therese PEFFER, Arturo MOLINA

Journal Article

The research on method of geometry-control during erection of the short-line bridge

Wang Min,Zhang Yongtao,Liu Jinghong,Liu Yi,Huang Yue

Journal Article

Theoretical study on the confine-stiffening effect and fractal cracking of square concrete filled steel

Journal Article

Reliability assessment of three-dimensional bearing capacity of shallow foundation using fuzzy set theory

Rajarshi PRAMANIK, Dilip Kumar BAIDYA, Nirjhar DHANG

Journal Article

System identification of channel roughness for middle route project of south to north water diversion

Yang Kailin,Wang Yisen

Journal Article