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PRESS-based EFOR algorithm for the dynamic parametrical modeling of nonlinear MDOF systems

Haopeng LIU, Yunpeng ZHU, Zhong LUO, Qingkai HAN

Frontiers of Mechanical Engineering 2018, Volume 13, Issue 3,   Pages 390-400 doi: 10.1007/s11465-017-0459-5

Abstract: of freedom (MDOF) nonlinear systems, this study presents the extended forward orthogonal regression (EFOR) based on predicted residual sums of squares (PRESS) to construct a nonlinear dynamic parametrical modelThe PRESS-based EFOR algorithm is proposed to identify such a model for MDOF systems.EFOR algorithm.Results indicate that the dynamic parametrical model of nonlinear systems, which depends on the PRESS-based

Keywords： MDOF     dynamic parametrical model     NARX model     PRESS-based EFOR     cantilever beam    

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Research on port ecological suitability evaluation index system and evaluation model

Yaofeng XIE,Xia LV,Ru LIU,Liuyan MAO,Xiaoxi LIU

Frontiers of Structural and Civil Engineering 2015, Volume 9, Issue 1,   Pages 65-70 doi: 10.1007/s11709-014-0258-6

Abstract: Along with the rapid development of port building, the negative impacts of port’s construction and operation on the coastline ecosystem are also increasingly strong. Therefore, it’s urgent to establish a scientific and complete system of port ecological suitability evaluation. This paper pointed out the characteristics of port ecological effects and the principles of selecting evaluation index, and used the “pressure-state-response (PSR)” model to analysis the various pressures on the environment caused by port construction and operation, and the system’s response. On this basis, we constructed the port ecological suitability evaluation index. This model used the combination of qualitative and quantitative analytic hierarchy process, to meet the multi-level, multi-objective characteristics of evaluation index system. The evaluation index system and evaluation model can be used to analysis the ecological suitability of port projects comprehensively and have some guiding significance to the port ecological suitability evaluation.

Keywords： port     ecological suitability     press-state-response (PSR) model     evaluation index system    

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Enhancing fatigue life of cylinder-crown integrated structure by optimizing dimension

Weiwei ZHANG,Xiaosong WANG,Zhongren WANG,Shijian YUAN

Frontiers of Mechanical Engineering 2015, Volume 10, Issue 1,   Pages 102-110 doi: 10.1007/s11465-015-0329-y

Abstract:

Cylinder-crown integrated hydraulic press (CCIHP) is a new press structure.which has lower weight and higher section modulus compared with the conventional hydraulic cylinder and pressBased on linear fit, the fatigue properties are calculated and used for the fatigue life prediction.

Keywords： cylinder-crown integrated hydraulic press (CCIHP)     adaptive macro genetic algorithms (AMGA)     strain-controlled    

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Behavior of steel fiber–reinforced high-strength concrete at medium strain rate

Chujie JIAO, Wei SUN, Shi HUAN, Guoping JIANG

Frontiers of Structural and Civil Engineering 2009, Volume 3, Issue 2,   Pages 131-136 doi: 10.1007/s11709-009-0027-0

Abstract: fiber–reinforced high-strength concrete (SFRHSC) at medium strain rate were conducted using the split Hopkinson press

Keywords： steel fiber–reinforced high-strength concrete (SFRHSC)     high strain rates     split Hopkinson press bar (SHPB    

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Mechanism of hot-deformation and magnetic domains of anisotropic die-upset rare earth permanent magnets

Li Wei,Zhu Minggang

Strategic Study of CAE 2011, Volume 13, Issue 10,   Pages 4-12

Abstract: It is found that the strain activation energy of the die-upset Nd-Fe-B magnets is about 380 kJ/mol based

Keywords： nanoscale Nd-Fe-B magnets     hot press-hot deformation     anisotropy     magnetic domains    

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Research and application on separation technology of slurry and water under sandy-gravel stratum

Wang Guangyu,Sun Shanhui,Su Qinggui

Strategic Study of CAE 2010, Volume 12, Issue 12,   Pages 41-45

Abstract:

This paper gives a summary on application technology of slurry and water separation in condition of sandy-gravels layers in city's busiest street on base of underground diameter project from Beijing railway station to Beijing railway west station,with the hope of providing reference to the future similar project.

Keywords： slurry tunnel machine     separation of slurry and water     filter-press    

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System construction of a four-side primary permanent-magnet linear motor drive mechanical press

Jintao LIANG, Zhengfeng MING, Peida LI

Frontiers of Mechanical Engineering 2020, Volume 15, Issue 4,   Pages 600-609 doi: 10.1007/s11465-020-0597-z

Abstract: a robust secondary structure and high force density and is appropriate for direct-drive mechanical pressThe structure of a four-side PPMLM drive press is presented based on our previous research.The entire press control system is constructed to realize various flexible forming processes.Then, a press prototype with 6 kN nominal force is fabricated, and the hardware platform of the controlThe proposed PPMLM drive press exhibits a fast dynamic response and favorable tracking precision and

Keywords： mechanical press     direct drive     primary permanent-magnet linear motor (PPMLM)     servo system     active disturbance    

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Soil Organic Carbon Changes in City Areas of China Over the Past Three Decades: Implications for Achieving Carbon Neutrality

Zhenrui Zhang, Xinghui Xia, Zhifeng Yang

Engineering 2023, Volume 28, Issue 9,   Pages 11-15 doi: 10.1016/j.eng.2022.04.014

Keywords： China     city areas     THE AUTHORS.Published     behalf     Company     Engineering     Education Press     Academy     carbon changes    

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Erratum to “Targeted Genotyping of a Whole-Gene Repertoire by an Ultrahigh-Multiplex and Flexible HD-Marker Approach” [Engineering 13 (2022) 186–196] Erratum

Pingping Liu,Jia Lv,Cen Ma,Tianqi Zhang,Xiaowen Huang,Zhihui Yang,Lingling Zhang,Jingjie Hu,Shi Wang,Zhenmin Bao,

Engineering 2022, Volume 18, Issue 11,   Pages 259-259 doi: 10.1016/j.eng.2022.09.002

Keywords： AUTHORS.Published     repertoire     behalf     Engineering     September     genotyping     Academy     HD-marker approach”     Education Press    

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Autogenous healing mechanism of cement-based materials

Frontiers of Structural and Civil Engineering   Pages 948-963 doi: 10.1007/s11709-023-0960-3

Abstract: Autogenous self-healing is the innate and fundamental repair capability of cement-based materials forHowever, systematic research on the autogenous healing mechanism of cement-based materials is lackingIn this study, different factors influencing the healing process of cement-based materials were investigatedThis study provides a valuable reference for developing an improved healing technique for cement-based

Keywords： autogenous healing     cement-based materials     healing mechanism     aggregation effect    

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Urban design based on public safety-Discussion on safety-based urban design

Kaizhen CAI, Jianguo WANG

Frontiers of Structural and Civil Engineering 2009, Volume 3, Issue 2,   Pages 219-227 doi: 10.1007/s11709-009-0023-4

Abstract: construction of urban surroundings, this paper expounds the necessity of the study on public safety-basedIt brings forward the concept of safety-based urban design and attempts to explore the basic connotation

Keywords： urban public safety     urban design     safety-based urban design    

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Gradient-based compressive image fusion

Yang CHEN,Zheng QIN

Frontiers of Information Technology & Electronic Engineering 2015, Volume 16, Issue 3,   Pages 227-237 doi: 10.1631/FITEE.1400217

Abstract: We present a novel image fusion scheme based on gradient and scrambled block Hadamard ensemble (SBHE)By compositing the gradient of each image, gradient-based weights are obtained, with which compressiveSimulation results demonstrate that the gradient-based scheme has the best performance, in terms of bothFurthermore, the gradient-based fusion scheme proposed in this paper can be applied in different fusion

Keywords： Compressive sensing (CS)     Image fusion     Gradient-based image fusion     CS-based image fusion    

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Reliability-based design for automobiles in China

ZHANG Yimin

Frontiers of Mechanical Engineering 2008, Volume 3, Issue 4,   Pages 369-374 doi: 10.1007/s11465-008-0064-8

Abstract: The achievements of theories and methods for reliability-based design of automobiles in China are reviewedFor reliability-based design, the theories and practices, optimization, sensitivity, and robustness areThe techniques of reliability-based design for automobiles are developed.

Keywords： reliability-based     automobile     sensitivity     optimization     robustness    

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Title Author Date Type Operation

PRESS-based EFOR algorithm for the dynamic parametrical modeling of nonlinear MDOF systems

Haopeng LIU, Yunpeng ZHU, Zhong LUO, Qingkai HAN

Journal Article

Press Conference of Academicians Elected in 1999 Announced by Chinese Academy of Engineering

Journal Article

Research on port ecological suitability evaluation index system and evaluation model

Yaofeng XIE,Xia LV,Ru LIU,Liuyan MAO,Xiaoxi LIU

Journal Article

Enhancing fatigue life of cylinder-crown integrated structure by optimizing dimension

Weiwei ZHANG,Xiaosong WANG,Zhongren WANG,Shijian YUAN

Journal Article

Behavior of steel fiber–reinforced high-strength concrete at medium strain rate

Chujie JIAO, Wei SUN, Shi HUAN, Guoping JIANG

Journal Article

Mechanism of hot-deformation and magnetic domains of anisotropic die-upset rare earth permanent magnets

Li Wei,Zhu Minggang

Journal Article

Research and application on separation technology of slurry and water under sandy-gravel stratum

Wang Guangyu,Sun Shanhui,Su Qinggui

Journal Article

System construction of a four-side primary permanent-magnet linear motor drive mechanical press

Jintao LIANG, Zhengfeng MING, Peida LI

Journal Article

Soil Organic Carbon Changes in City Areas of China Over the Past Three Decades: Implications for Achieving Carbon Neutrality

Zhenrui Zhang, Xinghui Xia, Zhifeng Yang

Journal Article

Erratum to “Targeted Genotyping of a Whole-Gene Repertoire by an Ultrahigh-Multiplex and Flexible HD-Marker Approach” [Engineering 13 (2022) 186–196]

Pingping Liu,Jia Lv,Cen Ma,Tianqi Zhang,Xiaowen Huang,Zhihui Yang,Lingling Zhang,Jingjie Hu,Shi Wang,Zhenmin Bao,

Journal Article

Mamoru Mitsuish: Surgical System of the Future Based on Production Engineering and the Integration of

23 Apr 2021

Conference Videos

Autogenous healing mechanism of cement-based materials

Journal Article

Urban design based on public safety-Discussion on safety-based urban design

Kaizhen CAI, Jianguo WANG

Journal Article

Gradient-based compressive image fusion

Yang CHEN,Zheng QIN

Journal Article

Reliability-based design for automobiles in China

ZHANG Yimin

Journal Article