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Shaking-moment balancing of mechanisms with principal vectors and momentum

V. van der WIJK

Frontiers of Mechanical Engineering 2013, Volume 8, Issue 1,   Pages 10-16 doi: 10.1007/s11465-013-0359-2

Abstract: For this purpose, the method of principal vectors is investigated, showing a compact notation of the

Keywords: shaking-moment balancing     principal vector linkage     angular momentum    

Determination of the principal factors of river water quality through cluster analysis method and its

Liang GUO, Ying ZHAO, Peng WANG

Frontiers of Environmental Science & Engineering 2012, Volume 6, Issue 2,   Pages 238-245 doi: 10.1007/s11783-011-0382-7

Abstract: To enhance the prediction accuracy, principal factors were determined through the analysis of the weightIt was shown that application of the principal factors in water quality prediction model can improve

Keywords: water quality forecast     principal factor     cluster analysis method     artificial neural network    

Non-negativematrix factorization based unmixing for principal component transformed hyperspectral data

Xiu-rui GENG,Lu-yan JI,Kang SUN

Frontiers of Information Technology & Electronic Engineering 2016, Volume 17, Issue 5,   Pages 403-412 doi: 10.1631/FITEE.1600028

Abstract: Although principal component analysis (PCA) can be used to mitigate these two problems, the transformedanalyze the impact of PCA on NMF, and find that multiplicative NMF can also be applicable to data after principalBased on this conclusion, we present a method to perform NMF in the principal component space, named‘principal component NMF’ (PCNMF).

Keywords: Non-negative matrix factorization (NMF)     Principal component analysis (PCA)     Endmember     Hyperspectral    

optimization of cutting parameters in high-speed milling based on grey relational analysis coupled with principal

Tao FU, Jibin ZHAO, Weijun LIU

Frontiers of Mechanical Engineering 2012, Volume 7, Issue 4,   Pages 445-452 doi: 10.1007/s11465-012-0338-z

Abstract: Moreover, the principal component analysis is applied to evaluate the weights so that their relativeThe results of experiments show that grey relational analysis coupled with principal component analysis

Keywords: high-speed milling     grey relational analysis     principal component analysis     parameters optimization    

A Study About IC and IR in Principal-gent RelationshipUnder the Engineer Supervision Institution

Qin Xuan

Strategic Study of CAE 2007, Volume 9, Issue 4,   Pages 45-49

Abstract:

According to principal-agent theory, the Incentive compatibility constraint(IC)and the participation constraint (IR) in principal-gent relationship between employer and engineer

Keywords: engineer supervision     employer     engineer     principal-gent     incentive compatibility constraint(IC)     participation    

Research on a comprehensive evaluation model on the choice of M&A targets based on principal componential

Luo Yixin

Strategic Study of CAE 2009, Volume 11, Issue 11,   Pages 92-96

Abstract: justify;">This paper puts forward a comprehensive choice and evaluation index system and a model based on principal

Keywords: principal componential analysis     M&A     target choice     evaluation index system     evaluation model    

The Application of Moving Frame in the Calculation of Spiral Bevel Gear’s Principal Curvature

Wang Yuqing,Liang Jian

Strategic Study of CAE 2001, Volume 3, Issue 12,   Pages 68-70

Abstract:

the calculation of contacted points´ principal curvature is the key to determine contacted areaTraditionally, the method of determining principal curvature is to make use of the theory of mesh andsurface, moving frame and co-differential are employed to give a sententious, effective algorithm of principalThis algorithm can be used for calculation of principal curvature in all kinds of curve surfaces.

Keywords: spiral bevel gear     principal curvature     moving frame    

AED-Net: An Abnormal Event Detection Network Article

Tian Wang, Zichen Miao, Yuxin Chen, Yi Zhou, Guangcun Shan, Hichem Snoussi

Engineering 2019, Volume 5, Issue 5,   Pages 930-939 doi: 10.1016/j.eng.2019.02.008

Abstract: self-supervised framework called the abnormal event detection network (AED-Net), which is composed of a principalcomponent analysis network (PCAnet) and kernel principal component analysis (kPCA), is proposed to address

Keywords: Abnormal events detection     Abnormal event detection network     Principal component analysis network     Kernelprincipal component analysis    

Research of mine farmland heavy metal pollution assessment basedon synthetic principal component analysis

Wang Conglu,Wu Chao,Duan Yu

Strategic Study of CAE 2008, Volume 10, Issue 7,   Pages 180-183

Abstract: and classification were done to the mine area farmland heavy metal pollution situation by synthetic principalThe study result implied that variable clustering analysis is efficient to identify the principal componentsof mine area farmland heavy metal pollution.Sort and clustering were done to the synthetic principalcomponents scores of soil sample, which is given by synthetic principal components analysis.

Keywords: synthetic principal components analysis model     mine region soils     heavy metal pollution     assessment    

in Qinba Mountain Area Study on the Development of Forestry Industry in Qinba Mountain Area Based on Principal

Zheng Donghui, Hou Hua, Zhai Mingpu, Qu Mei

Strategic Study of CAE 2020, Volume 22, Issue 1,   Pages 120-126 doi: 10.15302/J-SSCAE-2020.01.013

Abstract: The paper uses expert questionnaires and principal component analysis to identify the factors that have

Keywords: Qinba Mountain Area     forestry industry     SWOT method     principal component analysis     ecological environment    

The Study on Supervision Institution Incentive System Based on Asymmetric Information

Cao Yugui,Yang Zhongzhi

Strategic Study of CAE 2005, Volume 7, Issue 10,   Pages 69-72

Abstract:

The principal-agent model between employers and engineering supervisors is established, considering

Keywords: employer     engineering supervision     principal-agent     incentive system    

Indoor carbonyl compounds in an academic building in Beijing, China: concentrations and influencing factors

Chuanjia JIANG, Pengyi ZHANG

Frontiers of Environmental Science & Engineering 2012, Volume 6, Issue 2,   Pages 184-194 doi: 10.1007/s11783-011-0309-3

Abstract: Principal component analysis identified a combined effect of common indoor carbonyl sources and ventilation

Keywords: carbonyl compounds     indoor air     ventilation     human occupancy     source emission rate (SER)     principal component    

Application of coupled XFEM-BCQO in the structural optimization of a circular tunnel lining subjected to a ground motion

Nazim Abdul NARIMAN, Ayad Mohammad RAMADAN, Ilham Ibrahim MOHAMMAD

Frontiers of Structural and Civil Engineering 2019, Volume 13, Issue 6,   Pages 1495-1509 doi: 10.1007/s11709-019-0574-y

Abstract: A new structural optimization method of coupled extended finite element method and bound constrained quadratic optimization method (XFEM-BCQO) is adopted to quantify the optimum values of four design parameters for a circular tunnel lining when it is subjected to earthquakes. The parameters are: tunnel lining thickness, tunnel diameter, tunnel lining concrete modulus of elasticity and tunnel lining concrete density. Monte-Carlo sampling method is dedicated to construct the meta models so that to be used for the BCQO method using matlab codes. Numerical simulations of the tensile damage in the tunnel lining due to a real earthquake in the literature are created for three design cases. XFEM approach is used to show the cracks for the mentioned design cases. The results of the BCQO method for the maximum design case for the tunnel tensile damage was matching the results obtained from XFEM approach to a fair extent. The new coupled approach manifested a significant capability to predict the cracks and spalling of the tunnel lining concrete under the effects of dynamic earthquakes.

Keywords: ovaling deformation     monte carlo sampling     XFEM-BCQO     maximum principal stress    

Relationships of nitrous oxide fluxes with water quality parameters in free water surface constructed wetlands

Juan WU, Jian ZHANG, Wenlin JIA, Huijun XIE, Bo ZHANG

Frontiers of Environmental Science & Engineering 2009, Volume 3, Issue 2,   Pages 241-247 doi: 10.1007/s11783-009-0023-6

Abstract: relationships between N O and the chemical and physical water quality variables were studied by using principalThe multiple linear regression model against principal components indicated that different water parameters

Keywords: free water surface constructed wetland     nitrous oxide emission     water quality parameter     principal component    

Agency Costs of Engineering Procurement

Chen Shouke,Wei Zhuobin

Strategic Study of CAE 2005, Volume 7, Issue 11,   Pages 66-71

Abstract:

Based on asymmetric information game and principal-agent theory, by analyzing the forming reasons

Keywords: engineering procurement     agency cost     asymmetric information game     principal-agent theory    

Title Author Date Type Operation

Shaking-moment balancing of mechanisms with principal vectors and momentum

V. van der WIJK

Journal Article

Determination of the principal factors of river water quality through cluster analysis method and its

Liang GUO, Ying ZHAO, Peng WANG

Journal Article

Non-negativematrix factorization based unmixing for principal component transformed hyperspectral data

Xiu-rui GENG,Lu-yan JI,Kang SUN

Journal Article

optimization of cutting parameters in high-speed milling based on grey relational analysis coupled with principal

Tao FU, Jibin ZHAO, Weijun LIU

Journal Article

A Study About IC and IR in Principal-gent RelationshipUnder the Engineer Supervision Institution

Qin Xuan

Journal Article

Research on a comprehensive evaluation model on the choice of M&A targets based on principal componential

Luo Yixin

Journal Article

The Application of Moving Frame in the Calculation of Spiral Bevel Gear’s Principal Curvature

Wang Yuqing,Liang Jian

Journal Article

AED-Net: An Abnormal Event Detection Network

Tian Wang, Zichen Miao, Yuxin Chen, Yi Zhou, Guangcun Shan, Hichem Snoussi

Journal Article

Research of mine farmland heavy metal pollution assessment basedon synthetic principal component analysis

Wang Conglu,Wu Chao,Duan Yu

Journal Article

in Qinba Mountain Area Study on the Development of Forestry Industry in Qinba Mountain Area Based on Principal

Zheng Donghui, Hou Hua, Zhai Mingpu, Qu Mei

Journal Article

The Study on Supervision Institution Incentive System Based on Asymmetric Information

Cao Yugui,Yang Zhongzhi

Journal Article

Indoor carbonyl compounds in an academic building in Beijing, China: concentrations and influencing factors

Chuanjia JIANG, Pengyi ZHANG

Journal Article

Application of coupled XFEM-BCQO in the structural optimization of a circular tunnel lining subjected to a ground motion

Nazim Abdul NARIMAN, Ayad Mohammad RAMADAN, Ilham Ibrahim MOHAMMAD

Journal Article

Relationships of nitrous oxide fluxes with water quality parameters in free water surface constructed wetlands

Juan WU, Jian ZHANG, Wenlin JIA, Huijun XIE, Bo ZHANG

Journal Article

Agency Costs of Engineering Procurement

Chen Shouke,Wei Zhuobin

Journal Article