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Observer design for induction motor: an approach based on the mean value theorem

Mohamed Yacine HAMMOUDI,Abdelkarim ALLAG,Mohamed BECHERIF,Mohamed BENBOUZID,Hamza ALLOUI

Frontiers in Energy 2014, Volume 8, Issue 4,   Pages 426-433 doi: 10.1007/s11708-014-0314-x

Abstract: In this paper, observer design for an induction motor has been investigated.dynamics for the induction motor into the linear parametric varying (LPV) system, the differential mean valueFinally, the simulation results are given to show the performance of the observer design.

Keywords： observer design     differential mean value theorem (DMVT)     sector nonlinearity transformation     linear matrix    

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Sustainable design of sanitation system based on material and value flow analysis for urban slum in Indonesia

Ken USHIJIMA, Mitsuteru IRIE, Neni SINTAWARDANI, Jovita TRIASTUTI, Umi HAMIDAH, Tadaharu ISHIKAWA, Naoyuki FUNAMIZU

Frontiers of Environmental Science & Engineering 2013, Volume 7, Issue 1,   Pages 120-126 doi: 10.1007/s11783-012-0460-5

Abstract: Material flow analysis (MFA) and value flow analysis (VFA) were applied to the sanitation system in anSuch value flows seem reasonable in light of the recognized affordability to pay (ATP) standard.Because such disadvantages do not go back to disposers, but passed to downstream, the current value flowBased on current material and value flow structures, a resource recycling sanitation system scenario

Keywords： material flow     value flow     resource recycling system     sustainable design     initial cost     urban slum    

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Value Engineering/Value Management Model and Application of Aerospace Projects

Wan-hua Qiu,Han-peng Zhang,Ze-Shui Xu,De-Sheng Wu

Frontiers of Engineering Management 2015, Volume 2, Issue 4,   Pages 373-377 doi: 10.15302/J-FEM-2015056

Abstract: This paper presents a new space model developed by general value engineering/value management model.realization of the development object as the basic point, to get the final optimization structure by value

Keywords： aerospace project     value engineering     value optimization     value stream     design structure matrix    

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Evolution and Value of Innovative Design

Lu Yongxiang

Strategic Study of CAE 2017, Volume 19, Issue 3,   Pages 1-5 doi: 10.15302/J-SSCAE-2017.03.001

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Design of packing cup interference fit value of hypercompressors for low density polyethylene production

Da LEI,Xuehong LI,Yun LI,Xiwen REN

Frontiers in Energy 2019, Volume 13, Issue 1,   Pages 107-113 doi: 10.1007/s11708-017-0450-1

Abstract: Because the shrink-fitting prestresses the packing cup, serious design is needed to gain a favorableThe traditional method of designing the interference fit value for packing cups depends on the shrink-fitequivalent stress in a packing cup increases after a decline with the rise of the interference fit valueA higher interference fit value accepted by the traditional method may not be feasible as it might alreadyAlong with fatigue analysis, the feasible range of interference fit value has been modified by utilizing

Keywords： interference fit value     packing cup     hypercompressor     finite element method (FEM)    

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The Value Added Tax Anti-Fake and Control System and Its Security Design

Wei Qingfu

Strategic Study of CAE 2000, Volume 2, Issue 11,   Pages 84-87

Abstract:

The Value Added Tax (AVT) anti-fake and control system, which is one of the main parts of the NationalTo obtain high security, the system adopts a systematic security design technique according to the secure

Keywords： value-added tax     anti-fake     encryption     security    

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Vibratory behaviors of Jeffcott system on cylindrical roller bearings

Hao WU, Jianwen WANG, Qi AN

Frontiers of Mechanical Engineering 2009, Volume 4, Issue 3,   Pages 305-309 doi: 10.1007/s11465-009-0036-7

Abstract: A Jeffcott rotor system of cylindrical roller bearings is studied in detail. Its critical speed is calculated by a new calculation method with roller bearing stiffness and damping. The influences of bearing parameters, such as the roller length, rotor mass, distance between the bearings and the kinematics viscosity of oil on the system critical speed are numerically studied, and the influences of an oil film and damping on the critical speed are also studied. Regular curves of the relationship between the geometric parameters and the system critical speed are obtained. The results show that with increasing roller length and radial load, the critical speed increases; and with increasing rotor mass and the distance between the bearings and the kinematics viscosity, the critical speed decreases. This means that an oil film will decrease the critical rotational speed of the rotor system.

Keywords： roller bearing     bearing-rotor system     design value     critical rotational speed    

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Higher heating value prediction of torrefaction char produced from non-woody biomass

Nitipong SOPONPONGPIPAT,Dussadeeporn SITTIKUL,Unchana SAE-UENG

Frontiers in Energy 2015, Volume 9, Issue 4,   Pages 461-471 doi: 10.1007/s11708-015-0377-3

Abstract: The higher heating value of five types of non-woody biomass and their torrefaction char was predicteddata, the mass fraction of fixed carbon and volatile matter had a strong effect on the higher heating valueanalysis data, the mass fraction of carbon, hydrogen, and oxygen had a strong effect on the higher heating value, while no relationship between the higher heating value and mass fractions of nitrogen and sulfur was

Keywords： higher heating value     correlation     biomass     proximate analysis     ultimate analysis    

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Value and governance of high-speed railway

Xiaoyan LIN, Zehua ZHANG, Meng WANG

Frontiers of Engineering Management 2017, Volume 4, Issue 4,   Pages 463-482 doi: 10.15302/J-FEM-2017054

Abstract: considers multiple perspectives to explore the concept of high-speed railway (HSR), rationally abstract its valueThis paper analyzes the governance potential of major countries in the high-speed railway value chain

Keywords： high-speed railway value     communication value     high-speed railway value governance     governance path upgrade    

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Two-stage stochastic programming with robust constraints for the logistics network post-disruption response strategy optimization

Frontiers of Engineering Management   Pages 67-81 doi: 10.1007/s42524-022-0240-2

Abstract: To enhance the robustness of the response strategy obtained, the conditional value at risk (CVaR) criterion

Keywords： logistics network design     post-disruption response strategy     two-stage stochastic programming     conditionalvalue at risk     robust constraint    

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The value of epigenetic markers in esophageal cancer

Xiao-Mei ZHANG, Ming-Zhou GUO,

Frontiers of Medicine 2010, Volume 4, Issue 4,   Pages 378-384 doi: 10.1007/s11684-010-0230-3

Abstract: This review is mainly focused on epigenetic changes in esophageal cancer and the value of early detection

Keywords： epigenetics     DNA methylation     esophageal cancer     dysplasia    

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On the added value of multi-scale modeling of concrete

Frontiers of Structural and Civil Engineering 2022, Volume 16, Issue 1,   Pages 1-23 doi: 10.1007/s11709-021-0790-0

Abstract: This review of the added value of multi-scale modeling of concrete is based on three representative examplesOverall, it is concluded that multi-scale models have indeed a significant added value.

Keywords： experiments     multi-scale analysis     conventional structural analysis     concrete     reinforced concrete    

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The Building of Papermaking Enterprise’s Recycling Economy Evaluation Index System Based on Value Flow

Zhi-fang Zhou,Jing Ou,Sha-sha Wang,Xiao-hong Chen

Frontiers of Engineering Management 2016, Volume 3, Issue 1,   Pages 9-17 doi: 10.15302/J-FEM-2016009

Abstract: The authors take advantage of the intrinsic correlation between the basic principle of value flow analysisand circular economy, and then analyze the dynamic changes of material flow and value flow through enterprises

Keywords： circular economy     the papermaking enterprise     material flow analysis     value flow analysis     evaluation index    

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Does oil price affect the value of firms? Evidence from Tunisian listed firms

Kaouther ZAABOUTI,Ezzeddine BEN MOHAMED,Abdelfettah BOURI

Frontiers in Energy 2016, Volume 10, Issue 1,   Pages 1-13 doi: 10.1007/s11708-016-0396-8

Abstract: A new debate on the potential impact of oil price changes on the value of firms was initiated in thisUsing a stochastic frontier approach, an attempt was made to derive the optimal value * of firms andcalculate the value observed.between 2007 and 2011, the fact that variation of oil prices can largely explain distortions in the value

Keywords： industrial Tunisian firms     oil price     value of firm     stochastic frontier approach    

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Selective preparation for biofuels and high value chemicals based on biochar catalysts

Frontiers in Energy 2023, Volume 17, Issue 5,   Pages 635-653 doi: 10.1007/s11708-023-0878-4

Abstract: energy and environmental crisis, among which, biomass-based biochar as catalysts for biofuel and high valueSuitable biochar catalysts can enhance the yield of biofuels and higher-value chemicals.Therefore, the design and advancement of the biochar catalyst based on mechanism research will be beneficialThe advanced design of biochar catalysts and optimization of operational conditions based on the biomassproperties are vital for the selective production of high-value chemicals and biofuels.

Keywords： biomass     biochar catalysts     biofuels     high chemicals    

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Title Author Date Type Operation

Observer design for induction motor: an approach based on the mean value theorem

Mohamed Yacine HAMMOUDI,Abdelkarim ALLAG,Mohamed BECHERIF,Mohamed BENBOUZID,Hamza ALLOUI

Journal Article

Sustainable design of sanitation system based on material and value flow analysis for urban slum in Indonesia

Ken USHIJIMA, Mitsuteru IRIE, Neni SINTAWARDANI, Jovita TRIASTUTI, Umi HAMIDAH, Tadaharu ISHIKAWA, Naoyuki FUNAMIZU

Journal Article

Value Engineering/Value Management Model and Application of Aerospace Projects

Wan-hua Qiu,Han-peng Zhang,Ze-Shui Xu,De-Sheng Wu

Journal Article

Evolution and Value of Innovative Design

Lu Yongxiang

Journal Article

Design of packing cup interference fit value of hypercompressors for low density polyethylene production

Da LEI,Xuehong LI,Yun LI,Xiwen REN

Journal Article

The Value Added Tax Anti-Fake and Control System and Its Security Design

Wei Qingfu

Journal Article

Vibratory behaviors of Jeffcott system on cylindrical roller bearings

Hao WU, Jianwen WANG, Qi AN

Journal Article

Higher heating value prediction of torrefaction char produced from non-woody biomass

Nitipong SOPONPONGPIPAT,Dussadeeporn SITTIKUL,Unchana SAE-UENG

Journal Article

Value and governance of high-speed railway

Xiaoyan LIN, Zehua ZHANG, Meng WANG

Journal Article

Two-stage stochastic programming with robust constraints for the logistics network post-disruption response strategy optimization

Journal Article

The value of epigenetic markers in esophageal cancer

Xiao-Mei ZHANG, Ming-Zhou GUO,

Journal Article

On the added value of multi-scale modeling of concrete

Journal Article

The Building of Papermaking Enterprise’s Recycling Economy Evaluation Index System Based on Value Flow

Zhi-fang Zhou,Jing Ou,Sha-sha Wang,Xiao-hong Chen

Journal Article

Does oil price affect the value of firms? Evidence from Tunisian listed firms

Kaouther ZAABOUTI,Ezzeddine BEN MOHAMED,Abdelfettah BOURI

Journal Article

Selective preparation for biofuels and high value chemicals based on biochar catalysts

Journal Article