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Linear quadratic optimal controller for cable-driven parallel robots

Saeed ABDOLSHAH,Erfan SHOJAEI BARJUEI

Frontiers of Mechanical Engineering 2015, Volume 10, Issue 4,   Pages 344-351 doi: 10.1007/s11465-015-0364-8

Abstract: A linear quadratic (LQ) optimal controller can provide all the states of a system for the feedback, such

Keywords： accuracy     cable-driven parallel robot     linear quadratic optimal control    

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Fractal characteristic evaluation and interpolation reconstruction for surface topography of drilled

Frontiers of Mechanical Engineering 2021, Volume 16, Issue 4,   Pages 840-854 doi: 10.1007/s11465-021-0643-5

Abstract: In this paper, an improved fractal interpolation model is proposed to reconstruct the surface topography

Keywords： surface topography     fractal evaluation     fractal interpolation     reconstruction     composite    

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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: When stability field and computational accuracy are taken into account at the same time, the quadraticIt 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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A linear quadratic regulator control of a stand-alone PEM fuel cell power plant

Amar BENAISSA, Boualaga RABHI, Ammar MOUSSI, Dahmani AISSA

Frontiers in Energy 2014, Volume 8, Issue 1,   Pages 62-72 doi: 10.1007/s11708-013-0291-5

Abstract: This paper introduces a technique based on linear quadratic regulator (LQR) to control the output voltage

Keywords： modeling of proton exchange membrane fuel cell (PEMFC)     controlling of PEMFC     linear quadratic regulator    

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Load shedding scheme for the two-area system with linear quadratic regulator

D. TYAGI, Ashwani KUMAR, Saurabh CHANANA

Frontiers in Energy 2013, Volume 7, Issue 1,   Pages 90-102 doi: 10.1007/s11708-012-0224-8

Abstract: conducted for three scenarios: the scheme with a conventional integral controller; the scheme with a linear quadratic

Keywords： critical load     frequency response     load shedding (LS)     multi-area system     rate of change of frequency     linear quadratic    

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A multiscale-contour-based interpolation framework for generating a time-varying quasi-dense point cloud

Chu-hua HUANG,Dong-ming LU,Chang-yu DIAO

Frontiers of Information Technology & Electronic Engineering 2016, Volume 17, Issue 5,   Pages 422-434 doi: 10.1631/FITEE.1500316

Abstract: we propose an efficient framework to reconstruct 3D dynamic objects using a multiscale-contour-based interpolationThe framework formulates the interpolation of two models as point cloud transport rather than non-rigidreconstruction of a dynamic scene while improving the accuracy of point-pairing which is used to perform the interpolation

Keywords： Multi-view video     Free-viewpoint video     Point-pair     Multiscale-contour-based interpolation     Spatio-temporal-contour    

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Non-iterative parameter estimation of the 2R-1Cmodel suitable for low-cost embedded hardware Article

Mitar SIMIĆ, Zdenka BABIĆ, Vladimir RISOJEVIĆ, Goran M. STOJANOVIĆ

Frontiers of Information Technology & Electronic Engineering 2020, Volume 21, Issue 3,   Pages 476-490 doi: 10.1631/FITEE.1900112

Abstract: In this study, we propose the quadratic interpolation non-iterative parameter estimation (QINIPE) method, based on quadratic interpolation of the imaginary part of the measured impedance, which enables more

Keywords： 2R-1C model     Embedded systems     Parameter estimation     Non-iterative methods     Quadratic interpolation    

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Implementation of an adaptive feed speed 3D NURBS interpolation algorithm

LIANG Hong-bin, WANG Yong-zhang, LI Xia

Frontiers of Mechanical Engineering 2006, Volume 1, Issue 4,   Pages 403-408 doi: 10.1007/s11465-006-0047-6

Abstract: NURBS (non-uniform rational B-spline) interpolation algorithms have been provided in modern CNC (computerIn order to deal with this problem, an adaptive feed speed interpolation algorithm for 3D NURBS parametricWhen the instantaneous radius of the curvature is small enough, the proposed interpolation algorithmIn the other situation it uses the second-order Taylor s expansions approximation interpolation algorithmExperimental results were provided to verify the feasibility and precision of the proposed interpolation

Keywords： NURBS parametric     rational B-spline     second-order     non-uniform rational     precision    

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3D interpolation-approximation fitting construction method for complex geological surfaces

Li Mingchao,Miao Zhengjian,Liu Fei,Wang Gang

Strategic Study of CAE 2011, Volume 13, Issue 12,   Pages 103-107

Abstract: An approach of complex geological surface reconstruction which combines interpolation with approximation

Keywords： geological surface     interpolation-approximation fitting     3D construction     multi-source geological data    

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A Local Quadratic Embedding Learning Algorithm and Applications for Soft Sensing Article

Yaoyao Bao, Yuanming Zhu, Feng Qian

Engineering 2022, Volume 18, Issue 11,   Pages 186-196 doi: 10.1016/j.eng.2022.04.025

Abstract: Inspired by the tremendous achievements of meta-learning in various fields, this paper proposes the local quadraticBased on the hypothesis of local quadratic interpolation, the algorithm introduces two lightweight NNs; one is used to learn the coefficient matrix in the local quadratic model, and the other is implemented

Keywords： Local quadratic embedding     Metric learning     Regression machine     Soft sensor    

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New decentralized control technique based on substructure and LQG approaches

Ying LEI, Ying LIN,

Frontiers of Mechanical Engineering 2009, Volume 4, Issue 4,   Pages 386-392 doi: 10.1007/s11465-009-0041-x

Abstract: In this paper, a new decentralized control technique is proposed based on the linear quadratic Gaussian

Keywords： substructures     decentralized control     linear quadratic Gaussian (LQG)     Kalman filter     unknown input     least-squares    

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High-payload completely reversible data hiding in encrypted images by an interpolation technique Article

Di XIAO, Ying WANG, Tao XIANG, Sen BAI

Frontiers of Information Technology & Electronic Engineering 2017, Volume 18, Issue 11,   Pages 1732-1743 doi: 10.1631/FITEE.1601067

Abstract: Instead of embedding data in the encrypted image directly, the content owner first uses an interpolation

Keywords： Encrypted image     Data hiding     Image recovery     Real reversibility     Interpolation    

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Fundamental frequency and testing mode of complicated elastic clamped-plate vibration

QI Hongyuan, GUAN Yiduo

Frontiers of Mechanical Engineering 2008, Volume 3, Issue 4,   Pages 360-364 doi: 10.1007/s11465-008-0084-4

Abstract: Aimed at the modal analysis of complicated elastic clamped-plates, a trigonometric interpolation method

Keywords： multi-point excitation     rectangle-plate     single-point     processing technology     trigonometric interpolation    

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Applying Rational Envelope curves for skinning purposes

Kinga Kruppa,kruppa.kinga@inf.unideb.hu

Frontiers of Information Technology & Electronic Engineering 2021, Volume 22, Issue 2,   Pages 141-286 doi: 10.1631/FITEE.1900377

Abstract: Special curves in the Minkowski space such as Minkowski Pythagorean hodograph curves play an important role in computer-aided geometric design, and their usages are thoroughly studied in recent years. Bizzarri et al. (2016) introduced the class of Rational (RE) curves, and an method for Hermite data was presented, where the resulting RE curve yielded a rational boundary for the represented domain. We now propose a new application area for RE curves: of a discrete set of input s. We show that if we do not choose the Hermite data correctly for , then the resulting RE curves are not suitable for . We introduce a novel approach so that the obtained curves touch each at previously defined points of contact. Thus, we overcome those problematic scenarios in which the location of touching points would not be appropriate for purposes. A significant advantage of our proposed method lies in the efficiency of trimming offsets of boundaries, which is highly beneficial in computer numerical control machining.

Keywords： Medial axis transform     Envelope     Interpolation     Skinning     Circle    

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Flight control for air-breathing hypersonic vehicles using linear quadratic regulator design based on Article

Lin CAO, Shuo TANG, Dong ZHANG

Frontiers of Information Technology & Electronic Engineering 2017, Volume 18, Issue 7,   Pages 882-897 doi: 10.1631/FITEE.1601363

Abstract: In this paper, we propose a linear-quadratic regulator (LQR) design method based on stochastic robustness

Keywords： Air-breathing hypersonic vehicles (AHVs)     Stochastic robustness analysis     Linear-quadratic regulator    

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Title Author Date Type Operation

Linear quadratic optimal controller for cable-driven parallel robots

Saeed ABDOLSHAH,Erfan SHOJAEI BARJUEI

Journal Article

Fractal characteristic evaluation and interpolation reconstruction for surface topography of drilled

Journal Article

A new type of quadratic acceleration method

Changqing LI, Menglin LOU,

Journal Article

A linear quadratic regulator control of a stand-alone PEM fuel cell power plant

Amar BENAISSA, Boualaga RABHI, Ammar MOUSSI, Dahmani AISSA

Journal Article

Load shedding scheme for the two-area system with linear quadratic regulator

D. TYAGI, Ashwani KUMAR, Saurabh CHANANA

Journal Article

A multiscale-contour-based interpolation framework for generating a time-varying quasi-dense point cloud

Chu-hua HUANG,Dong-ming LU,Chang-yu DIAO

Journal Article

Non-iterative parameter estimation of the 2R-1Cmodel suitable for low-cost embedded hardware

Mitar SIMIĆ, Zdenka BABIĆ, Vladimir RISOJEVIĆ, Goran M. STOJANOVIĆ

Journal Article

Implementation of an adaptive feed speed 3D NURBS interpolation algorithm

LIANG Hong-bin, WANG Yong-zhang, LI Xia

Journal Article

3D interpolation-approximation fitting construction method for complex geological surfaces

Li Mingchao,Miao Zhengjian,Liu Fei,Wang Gang

Journal Article

A Local Quadratic Embedding Learning Algorithm and Applications for Soft Sensing

Yaoyao Bao, Yuanming Zhu, Feng Qian

Journal Article

New decentralized control technique based on substructure and LQG approaches

Ying LEI, Ying LIN,

Journal Article

High-payload completely reversible data hiding in encrypted images by an interpolation technique

Di XIAO, Ying WANG, Tao XIANG, Sen BAI

Journal Article

Fundamental frequency and testing mode of complicated elastic clamped-plate vibration

QI Hongyuan, GUAN Yiduo

Journal Article

Applying Rational Envelope curves for skinning purposes

Kinga Kruppa,kruppa.kinga@inf.unideb.hu

Journal Article

Flight control for air-breathing hypersonic vehicles using linear quadratic regulator design based on

Lin CAO, Shuo TANG, Dong ZHANG

Journal Article