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A frequency error estimation for isogeometric analysis of Kirchhoff–Love cylindrical shells

Frontiers of Structural and Civil Engineering doi: 10.1007/s11709-023-0006-x

Abstract: A frequency error estimation is presented for the isogeometric free vibration analysis of Kirchhoff–LoveBy analyzing the discrete isogeometric equations with the aid of harmonic wave assumption, the frequencyerror measures are rationally derived for the quadratic and cubic formulations for Kirchhoff–Love cylindricalis naturally embedded into the frequency error measures without the need of explicit frequency expressionsNumerical results not only thoroughly verify the theoretical convergence rates of frequency solutions

Keywords： isogeometric analysis     Kirchhoff–Love cylindrical shell     free vibration     frequency error     convergence    

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Dependence of error sensitivity of frequency on bias voltage in force-balanced micro accelerometer

Lili CHEN, Wu ZHOU

Frontiers of Mechanical Engineering 2013, Volume 8, Issue 2,   Pages 146-149 doi: 10.1007/s11465-013-0260-z

Abstract:

To predict more precisely the frequency of force-balanced micro accelerometer with different biasvoltages, the effects of bias voltages on error sensitivity of frequency is studied.The resonance frequency of accelerometer under closed loop control is derived according to its operationprinciple, and its error sensitivity is derived and analyzed under over etching structure accordingerror can be used to predict the frequency of accelerometer with no need to consider the influence of

Keywords： Micro-Electro-Mechanical Systems (MEMS)     micro accelerometer     force-balanced micro accelerometer     frequency     error sensitivity    

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Full-band error control and crack-free surface fabrication techniques for ultra-precision fly cutting

F. H. ZHANG, S. F. WANG, C. H. AN, J. WANG, Q. XU

Frontiers of Mechanical Engineering 2017, Volume 12, Issue 2,   Pages 193-202 doi: 10.1007/s11465-017-0448-8

Abstract: fluctuations in the fly cutting environment are translated into surface errors at different spatial frequency

Keywords： ultra-precision fly cutting     large-aperture KDP crystals     spatial frequency     processing error    

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Chord error constraint based integrated control strategy for contour error compensation

Tie ZHANG, Caicheng WU, Yanbiao ZOU

Frontiers of Mechanical Engineering 2020, Volume 15, Issue 4,   Pages 645-658 doi: 10.1007/s11465-020-0601-7

Abstract: position error compensator, is proposed.To reduce the contour error, a PI-type cross-coupling controller is designed, with its stability beinganalyzed by using the contour error transfer function.Moreover, a feed rate regulator based on the chord error constraint is proposed, which performs speedcompensation of tracking error.

Keywords： cross-coupling controller     contour error     tracking error     position error compensator     feed rate regulator    

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Kinematic error separation on five-axis NC machine tool based on telescoping double ball bar

Min WANG, Jianzhong HU, Tao ZAN

Frontiers of Mechanical Engineering 2010, Volume 5, Issue 4,   Pages 431-437 doi: 10.1007/s11465-010-0110-1

Abstract: algorithm of the homogeneous transformation matrix (HTM) method are applied in establishing the kinematic errorBased on this model, a new method for the kinematic error separation in five-axis numerical control (the value measured by telescoping double ball bar is substituted into the model to obtain kinematic error

Keywords： error modeling     error separation     telescoping double ball bar     five-axis numerical control (NC) machining    

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Robust ensemble of metamodels based on the hybrid error measure

Frontiers of Mechanical Engineering 2021, Volume 16, Issue 3,   Pages 623-634 doi: 10.1007/s11465-021-0641-7

Abstract: The weight factor is adaptively determined according to the hybrid error metric, which combines globaland local error measures to improve the accuracy of the EMs.

Keywords： metamodel     ensemble of metamodels     hybrid error measure     stochastic problem    

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Virtual-position Reading Method—a Novel Method for Error Motion and Form Error Separation

Hong Maisheng,Li Zijun,Su Heng,Ye Feifan

Strategic Study of CAE 2002, Volume 4, Issue 10,   Pages 48-51

Abstract: By means of this method, form error or error motion can be respectively separated according to practicalneeds, and the separating sequence of form error or error motion can also be optional.proposed method, it is not necessary to change the conventional measuring and separating system of form error

Keywords： virtual-position reading     signal re-organization     form error     error motion     error separation techniques    

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Error measurement and assemble error correction of a 3D-step-gauge

MAO Xinyong, LI Bin, SHI Hanmin, LIU Hongqi, LI Xi, LI Peigen

Frontiers of Mechanical Engineering 2007, Volume 2, Issue 4,   Pages 388-393 doi: 10.1007/s11465-007-0067-x

Abstract: Considering the differences in the structural parameters and the location of the pyramids, a volumetric error

Keywords： volumetric     pyramid     assembly     accuracy     calibration    

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Error analysis and optimization of a 3-degree of freedom translational Parallel Kinematic Machine

S. SHANKAR GANESH,A. B. KOTESWARA RAO

Frontiers of Mechanical Engineering 2014, Volume 9, Issue 2,   Pages 120-129 doi: 10.1007/s11465-014-0300-3

Abstract:

In this paper, error modeling and analysis of a typical 3-degree of freedom translational ParallelFrom inverse kinematics, the joint angles for a given position of tool platform necessary for the errorError modeling is done based on the differentiation of the inverse kinematic equations.A non-dimensional performance index, namely, global error transformation index is used to study the influenceof dimensions and its corresponding global maximum pose error is reported.

Keywords： translational Parallel Kinematic Machine     error modeling     global error transformation index    

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The V－BLAST Detection for MIMO MC－CDMA System

Yang Jie,Feng Guangzeng

Strategic Study of CAE 2007, Volume 9, Issue 1,   Pages 58-62

Abstract:

This paper investigates V-BLAST MC-CDMA down link.A V-BLAST detector per subcarrier is proposed for MIMO MC-CDMA system in this paper and the system performance with var ious numbers of V -BLAST antennas and users for such a system is evaluated throu gh simulations.

Keywords： multiple input multiple output(MIMO)     orthogonal frequency division multiplexing(OFDM)     layered space唱timecode(LST)     zero force(ZF)algorithm     minimum mean square error(MMSE)    

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Identification of thermal error in a feed system based on multi-class LS-SVM

Chao JIN, Bo WU, Youmin HU, Yao CHENG

Frontiers of Mechanical Engineering 2012, Volume 7, Issue 1,   Pages 47-54 doi: 10.1007/s11465-012-0307-6

Abstract: The thermal positioning error of a ball-screw is one of the most important objects to consider for high-accuracyThe research work undertaken herein ultimately aims at the development of a comprehensive thermal errorUsing multi-class least squares support vector machines (LS-SVM), the thermal positioning error of theThe results show that the recommended model can be used to predict the thermal error of a feed systemThe work described in this paper lays a solid foundation of thermal error prediction and compensation

Keywords： least squares support vector machine (LS-SVM)     feed system     thermal error     precision machining    

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Measurement and Information Technology

Zhang Guoxiong

Strategic Study of CAE 2000, Volume 2, Issue 3,   Pages 62-66

Abstract: data fitting and modeling, pattern recognition, neural network, simulation and virtual measurement, errorseparation, error compensation, redundancy technique, decision making, intelligent techniques, etc.The accuracy of coordinate measuring machines (CMMs) can be greatly enhanced by using error compensationModeling, error calibration and compensation software are three key techniques in error compensationApplications of redundancy technique in roundness and spindle error motion measurement, in large scale

Keywords： measurement     information technology     error compensation     modeling     redundancy technique     error separation    

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Theoretical prediction and validation of global horizontal solar irradiance for a tropical climate in India

Sivasankari SUNDARAM,Jakka SARAT CHANDRA BABU

Frontiers in Energy 2015, Volume 9, Issue 3,   Pages 311-321 doi: 10.1007/s11708-015-0369-3

Abstract: proposed regression models were validated by the significance of statistical indicators such as mean bias error, root mean square error and mean percentage error from the predicted and the actual values for the region

Keywords： global horizontal irradiance (GHI)     mean bias error     root mean square error     mean percentage error     coefficient    

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A pre-compensation method of the systematic contouring error for repetitive command paths

D. L. ZHANG,Y. H. CHEN,Y. P. CHEN

Frontiers of Mechanical Engineering 2015, Volume 10, Issue 4,   Pages 367-372 doi: 10.1007/s11465-015-0367-5

Abstract:

For a repetitive command path, pre-compensating the contouring error by modifying the command pathFurthermore, by using the extracted function, the contouring error can be easily pre-compensated.

Keywords： contouring error     pre-compensation     motion control system     back propagation (BP) neural network    

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Key point selection in large-scale FBG temperature sensors for thermal error modeling of heavy-duty CNC

Jianmin HU, Zude ZHOU, Quan LIU, Ping LOU, Junwei YAN, Ruiya LI

Frontiers of Mechanical Engineering 2019, Volume 14, Issue 4,   Pages 442-451 doi: 10.1007/s11465-019-0543-0

Abstract: Thermal error is one of the main factors that influence the machining accuracy of computer numericalIt is usually reduced by thermal error compensation.Temperature field monitoring and key temperature measurement point (TMP) selection are the bases of thermal erroralgorithm to reduce the calculation workload and avoid problems in the coupling of TMPs for thermal errorBack propagation neural network thermal error prediction models are established to verify the performance

Keywords： thermal error     heavy-duty CNC machine tools     FBG     key TMPs     prediction model    

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Title Author Date Type Operation

A frequency error estimation for isogeometric analysis of Kirchhoff–Love cylindrical shells

Journal Article

Dependence of error sensitivity of frequency on bias voltage in force-balanced micro accelerometer

Lili CHEN, Wu ZHOU

Journal Article

Full-band error control and crack-free surface fabrication techniques for ultra-precision fly cutting

F. H. ZHANG, S. F. WANG, C. H. AN, J. WANG, Q. XU

Journal Article

Chord error constraint based integrated control strategy for contour error compensation

Tie ZHANG, Caicheng WU, Yanbiao ZOU

Journal Article

Kinematic error separation on five-axis NC machine tool based on telescoping double ball bar

Min WANG, Jianzhong HU, Tao ZAN

Journal Article

Robust ensemble of metamodels based on the hybrid error measure

Journal Article

Virtual-position Reading Method—a Novel Method for Error Motion and Form Error Separation

Hong Maisheng,Li Zijun,Su Heng,Ye Feifan

Journal Article

Error measurement and assemble error correction of a 3D-step-gauge

MAO Xinyong, LI Bin, SHI Hanmin, LIU Hongqi, LI Xi, LI Peigen

Journal Article

Error analysis and optimization of a 3-degree of freedom translational Parallel Kinematic Machine

S. SHANKAR GANESH,A. B. KOTESWARA RAO

Journal Article

The V－BLAST Detection for MIMO MC－CDMA System

Yang Jie,Feng Guangzeng

Journal Article

Identification of thermal error in a feed system based on multi-class LS-SVM

Chao JIN, Bo WU, Youmin HU, Yao CHENG

Journal Article

Measurement and Information Technology

Zhang Guoxiong

Journal Article

Theoretical prediction and validation of global horizontal solar irradiance for a tropical climate in India

Sivasankari SUNDARAM,Jakka SARAT CHANDRA BABU

Journal Article

A pre-compensation method of the systematic contouring error for repetitive command paths

D. L. ZHANG,Y. H. CHEN,Y. P. CHEN

Journal Article

Key point selection in large-scale FBG temperature sensors for thermal error modeling of heavy-duty CNC

Jianmin HU, Zude ZHOU, Quan LIU, Ping LOU, Junwei YAN, Ruiya LI

Journal Article