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Analysis and characterization of wind-solar-constant torque spring hybridized model

Shantanu ACHARYA,Subhadeep BHATTACHARJEE

Frontiers in Energy 2014, Volume 8, Issue 3,   Pages 279-289 doi: 10.1007/s11708-014-0312-z

Abstract: This paper presents a model of wind and solar thermal hybrid power plant with a spring storage systemturbine, solar energy is utilized by a Stirling engine, and the surplus energy is stored in a winding spring

Keywords： hybrid vertical axis wind turbine     Stirling engine     solar-thermal energy     wind energy     constant torque spring    

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New nonlinear stiffness actuator with predefined torque‒deflection profile

Frontiers of Mechanical Engineering 2023, Volume 18, Issue 1, doi: 10.1007/s11465-022-0721-3

Abstract: A nonlinear stiffness actuator (NSA) could achieve high torque/force resolution in low stiffness rangeAn analytical methodology that maps the predefined relationship between torque and deflection to thestructure were given by analyzing the weight of the NSA and the mechanic characteristic of the leaf springrollers were used in the cam-based mechanism, the sliding displacement between the cam and the leaf springof performing predefined torque‒deflection profiles.

Keywords： compliant actuator     nonlinear stiffness actuator     nonlinear spring     predefined torque−deflection profile    

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Static balancing of planar articulated robots

Giuseppe QUAGLIA,Zhe YIN

Frontiers of Mechanical Engineering 2015, Volume 10, Issue 4,   Pages 326-343 doi: 10.1007/s11465-015-0355-9

Abstract: aspects: One is the optimization for the position of the balancing system; the other is the design of the springmechanical springs are discussed and their parameters are decided according to the requirements of torque

Keywords： robotics     static balancing     pneumatic spring     mechanical spring     torque compensation    

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The Negative Electrostatic Spring Effect Analysis and Experimental Validation of Silicon Micromechanical

Xia Dunzhu,Zhou Bailing,Wang Shourong

Strategic Study of CAE 2007, Volume 9, Issue 8,   Pages 66-68

Abstract:  The negative electrostatic spring effect of feedback force generator is analyzed in focus,  the sense mode of MEMS z-axis gyroscope,  the inner relation between the ne gative electrostatic spring

Keywords： silicon micromechanical z-axis gyroscope     negative electrostatic spring constant     feedback force generator    

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Research progress on low dielectric constant modification of cellulose insulating paper for power transformers

Frontiers of Chemical Science and Engineering 2023, Volume 17, Issue 8,   Pages 991-1009 doi: 10.1007/s11705-022-2259-7

Abstract: insulation level of ultrahigh voltage transformers and reduce their weight and size, reducing the dielectric constantThe dielectric constant of a cellulose insulating paper can be effectively reduced by chemical or physicalforeign and domestic research status of the use of modification technology to reduce the dielectric constantThis paper can provide a reference for further research on low dielectric constant cellulose insulating

Keywords： low dielectric constant     chemical and physical modification     cellulose insulating paper     transformer    

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Back to the spring of Wuhan: facts and hope of COVID-19 outbreak

Guangbiao Zhou, Saijuan Chen, Zhu Chen

Frontiers of Medicine 2020, Volume 14, Issue 2,   Pages 113-116 doi: 10.1007/s11684-020-0758-9

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Comparative study of various artificial intelligence approaches applied to direct torque control of induction

Moulay Rachid DOUIRI, Mohamed CHERKAOUI

Frontiers in Energy 2013, Volume 7, Issue 4,   Pages 456-467 doi: 10.1007/s11708-013-0264-8

Abstract: In this paper, three intelligent approaches were proposed, applied to direct torque control (DTC) ofobtained demonstrate the feasibility of the adaptive network-based fuzzy inference system based direct torqueCompared with the classical direct torque control, fuzzy logic based direct torque control (FL-DTC),and neural networks based direct torque control (NN-DTC), the proposed ANFIS-based scheme optimizes theelectromagnetic torque and stator flux ripples, and incurs much shorter execution times and hence the

Keywords： adaptive neuro-fuzzy inference system (ANFIS)     artificial neural network     direct torque control (DTC)     fuzzy    

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Analytical model and finite element computation of braking torque in electromagnetic retarder

Lezhi YE,Guangzhao YANG,Desheng LI

Frontiers of Mechanical Engineering 2014, Volume 9, Issue 4,   Pages 368-379 doi: 10.1007/s11465-014-0314-x

Abstract:

An analytical model has been developed for analyzing the braking torque in electromagnetic retarderThe magnetic field distribution in air gap, the eddy current induced in the rotor and the braking torqueThe influencing factors of braking torque have been studied.

Keywords： electromagnetic retarder     magnetic field distribution     magnetic circuit     finite element method    

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A perspective of “Nuclear Hot Spring” for long-term sustainable economy of the world

Yingzhong LU

Frontiers in Energy 2011, Volume 5, Issue 4,   Pages 349-357 doi: 10.1007/s11708-011-0168-4

Abstract: The proposed full-power natural circulation “Nuclear Hot Spring (NHS)” reactor could operate solely on

Keywords： natural safety reactor     full power natural circulation     sustainable world economy    

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Robust SVM-direct torque control of induction motor based on sliding mode controller and sliding mode

Abdelkarim AMMAR,Amor BOUREK,Abdelhamid BENAKCHA

Frontiers in Energy 2020, Volume 14, Issue 4,   Pages 836-849 doi: 10.1007/s11708-017-0444-z

Abstract: It describes a coupling of sliding mode direct torque control (DTC) with sliding mode flux and speedThis algorithm uses direct torque control basics and the sliding mode approach.A robust electromagnetic torque and flux controllers are designed to overcome the conventional SVM-DTC

Keywords： induction motor     direct torque control (DTC)     space vector modulation (SVM)     sliding mode control (SMC)    

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A total torque index for dynamic performance evaluation of a radial symmetric six-legged robot

Kejia LI, Xilun DING, Marco CECCARELL

Frontiers of Mechanical Engineering 2012, Volume 7, Issue 2,   Pages 219-230 doi: 10.1007/s11465-012-0320-9

Abstract: A novel index of total torque is proposed by considering the posture of the supporting legs.

Keywords： six-legged robots     dynamic modeling     performance index    

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Sensorless direct torque control for salient-pole PMSM based on extended Kalman filter fed by AC/DC/AC

F. BENCHABANE, A. TITAOUINE, O. BENNIS, K. YAHIA, D. TAIBI, A. GUETTAF

Frontiers in Energy 2012, Volume 6, Issue 3,   Pages 247-254 doi: 10.1007/s11708-012-0190-1

Abstract: synchronous motor (IPMSM) drives method with extended Kalman filter (EKF) for speed, rotor position and load torqueThe direct torque control (DTC) technique for permanent magnet synchronous motor (PMSM) is receiving

Keywords： direct torque control (DTC)     sensorless control     extended Kalman filter (EKF)     permanent magnet synchronous    

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Method of internal 3D flow field numerical simulation for hydrodynamic torque converter

SHANG Tao, ZHAO Dingxuan, ZHANG Yuankun, GUO Xiangen, SHI Xiangzhong

Frontiers of Mechanical Engineering 2008, Volume 3, Issue 1,   Pages 86-90 doi: 10.1007/s11465-008-0012-7

Abstract: To enhance the performance of a hydrodynamic torque converter and thoroughly understand the trait offlow, a numerical simulation method of internal 3D flow for the three-element centrifugal hydrodynamic torqueThe performance parameters of the hydrodynamic torque converter were predicted.distribution of the flow field, have practical significance for the design and improvement of a hydrodynamic torque

Keywords： velocity distribution     calculation     numerical simulation     three-element centrifugal     converter    

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Spectral reflectance indices as proxies for yield potential and heat stress tolerance in spring wheat

Caiyun LIU, Francisco PINTO, C. Mariano COSSANI, Sivakumar SUKUMARAN, Matthew P. REYNOLDS

Frontiers of Agricultural Science and Engineering 2019, Volume 6, Issue 3,   Pages 296-308 doi: 10.15302/J-FASE-2019269

Abstract: assessed the usefulness of 27 SRIs for indirect selection for agronomic traits by evaluating an elite spring

Keywords： genome-wide association study (GWAS)     heat tolerance     spectral reflectance     spring wheat    

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Host protection against Omicron BA.2.2 sublineages by prior vaccination in spring 2022 COVID-19 outbreak

Frontiers of Medicine 2023, Volume 17, Issue 3,   Pages 562-575 doi: 10.1007/s11684-022-0977-3

Abstract: symptomatic patients without earlier infection histories during a SARS-CoV-2 outbreak in Shanghai in spring

Keywords： SARS-CoV-2     COVID-19     host response     bronchoalveolar lavage fluid (BALF)    

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Title Author Date Type Operation

Analysis and characterization of wind-solar-constant torque spring hybridized model

Shantanu ACHARYA,Subhadeep BHATTACHARJEE

Journal Article

New nonlinear stiffness actuator with predefined torque‒deflection profile

Journal Article

Static balancing of planar articulated robots

Giuseppe QUAGLIA,Zhe YIN

Journal Article

The Negative Electrostatic Spring Effect Analysis and Experimental Validation of Silicon Micromechanical

Xia Dunzhu,Zhou Bailing,Wang Shourong

Journal Article

Research progress on low dielectric constant modification of cellulose insulating paper for power transformers

Journal Article

Back to the spring of Wuhan: facts and hope of COVID-19 outbreak

Guangbiao Zhou, Saijuan Chen, Zhu Chen

Journal Article

Comparative study of various artificial intelligence approaches applied to direct torque control of induction

Moulay Rachid DOUIRI, Mohamed CHERKAOUI

Journal Article

Analytical model and finite element computation of braking torque in electromagnetic retarder

Lezhi YE,Guangzhao YANG,Desheng LI

Journal Article

A perspective of “Nuclear Hot Spring” for long-term sustainable economy of the world

Yingzhong LU

Journal Article

Robust SVM-direct torque control of induction motor based on sliding mode controller and sliding mode

Abdelkarim AMMAR,Amor BOUREK,Abdelhamid BENAKCHA

Journal Article

A total torque index for dynamic performance evaluation of a radial symmetric six-legged robot

Kejia LI, Xilun DING, Marco CECCARELL

Journal Article

Sensorless direct torque control for salient-pole PMSM based on extended Kalman filter fed by AC/DC/AC

F. BENCHABANE, A. TITAOUINE, O. BENNIS, K. YAHIA, D. TAIBI, A. GUETTAF

Journal Article

Method of internal 3D flow field numerical simulation for hydrodynamic torque converter

SHANG Tao, ZHAO Dingxuan, ZHANG Yuankun, GUO Xiangen, SHI Xiangzhong

Journal Article

Spectral reflectance indices as proxies for yield potential and heat stress tolerance in spring wheat

Caiyun LIU, Francisco PINTO, C. Mariano COSSANI, Sivakumar SUKUMARAN, Matthew P. REYNOLDS

Journal Article

Host protection against Omicron BA.2.2 sublineages by prior vaccination in spring 2022 COVID-19 outbreak

Journal Article