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Robust control based on the Lyapunov theory of a grid-connected doubly fed induction generator

Ridha CHEIKH, Arezki MENACER, Said DRID

Frontiers in Energy 2013, Volume 7, Issue 2,   Pages 191-196 doi: 10.1007/s11708-013-0245-y

Abstract: strategy in order to ameliorate the performances of the control and to govern the developed stator active

Keywords: doubly fed induction generator (DFIG)     vector control     Lyapunov function     power factor unity     active power    

An Improved BP Algorithm Applying to Inverse Kinematics Problems of Robot Manipulator

Wu Aiguo,Hao Runsheng

Strategic Study of CAE 2005, Volume 7, Issue 7,   Pages 34-38

Abstract:

In this paper, an algorithm in which active function is improved is proposed through analyzing the

Keywords: neural networks     BP algorithm     active function     robot manipulator     inverse kinematics    

advanced engineering measures on displacement and stress field of surrounding rock in tunnels crossing active

Frontiers of Structural and Civil Engineering doi: 10.1007/s11709-023-0966-x

Abstract: using high-strength concrete-to resist fault dislocation in the surrounding rock near tunnels crossing activeThe research results provide a new supporting idea for the surrounding rock of tunnels crossing active

Keywords: anti-fault effect     engineering measures     LRAF method     stress and displacement field     tunnel-crossing active    

Solid-state NMR for metal-containing zeolites: From active sites to reaction mechanism

Xingling Zhao, Jun Xu, Feng Deng

Frontiers of Chemical Science and Engineering 2020, Volume 14, Issue 2,   Pages 159-187 doi: 10.1007/s11705-019-1885-1

Abstract: To understand the nature of metal active sites and the reaction mechanism over such catalysts is of greatsummarize recent developments and applications of SSNMR for exploring the structure and property of activecatalytic reactions on metal-containing zeolites based on the observation of key surface species and active

Keywords: metal-containing zeolites     solid-state NMR     active site     host-guest interaction     reaction mechanism    

Advances in Active Suspension Systems for Road Vehicles

Min Yu,Simos Evangelou,Daniele Dini,

Engineering doi: 10.1016/j.eng.2023.06.014

Abstract: Active suspension systems (ASSs) have been proposed and developed for a few decades, and have now onceadopted in production cars are discussed in detail, including the representative solutions of Mercedes activebody control (ABC) and Audi predictive active suspension; novel concepts that could become alternativecandidates are also introduced, including series active variable geometry suspension, and the active

Keywords: Active suspension     Vehicle dynamics     Robust control     Ride comfort     Chassis attitude    

An antibiotic composite electrode for improving the sensitivity of electrochemically active biofilm biosensor

Frontiers of Environmental Science & Engineering 2022, Volume 16, Issue 8, doi: 10.1007/s11783-022-1518-7

Abstract:

• Antibiotic azithromycin employed in graphite electrode for EAB biosensor.

Keywords: AZM@GP composite electrode     EAB-biosensor     Water quality early-warning    

Upper bound solution to seismic active earth pressure of submerged backfill subjected to partial drainage

Frontiers of Structural and Civil Engineering 2021, Volume 15, Issue 6,   Pages 1480-1493 doi: 10.1007/s11709-021-0776-y

Abstract: This paper proposes a general analytical method to evaluate the seismic active earth pressure on a retainingcomprises the following steps: i) determination of the total head, ii) upper bound solution of seismic active(x,z) relies on the Fourier series expansions, and the expressions of the seismic activethe proposed method is consistent with other relevant existing methods in terms of predicting seismic active

Keywords: seismic active earth pressure     partial seepage flow     pore pressure     anisotropy     upper bound theorem    

Optimal Timing and Recycling Operation Mode for Electro-Mechanical Products Active Remanufacturing

Wang Gao,Tao Li,Shi-tong Peng,Liang Wang,Hong-chao Zhang

Frontiers of Engineering Management 2016, Volume 3, Issue 2,   Pages 115-122 doi: 10.15302/J-FEM-2016019

Abstract: Based on life cycle assessment method and the life cycle cost analysis, the optimal timing model of activeIn addition, regarding the active remanufacturing as its guidance, this study explores the economic efficiencyTo validate the optimal timing model for electro-mechanical products active remanufacturing, a specific

Keywords: electro-mechanical products     active remanufacturing     optimal timing     reverse logistics     recycling mode    

Finite element modeling of thermo-active diaphragm walls

Yi RUI, Mei YIN

Frontiers of Structural and Civil Engineering 2020, Volume 14, Issue 3,   Pages 646-663 doi: 10.1007/s11709-020-0584-9

Abstract: Thermo-active diaphragm walls have a large potential to remedy one of these problems, since they are

Keywords: thermo-active diaphragm wall     finite element analysis     thermo-hydro-mechanical coupling     ground source heat    

Semi-active vibration control using piezoelectric actuators in smart structures

Jinhao QIU, Hongli JI, Kongjun ZHU

Frontiers of Mechanical Engineering 2009, Volume 4, Issue 3,   Pages 242-251 doi: 10.1007/s11465-009-0068-z

Abstract: Semi-active vibration control based on state switching and pulse switching has been receiving much attentionCompared with active damping systems, their implementation does not require any sophisticated signalIn this review article, the principles of the semi-active control methods based on switched shunt circuit, including state-switched method, synchronized switch damping techniques, and active control theory-basedMoreover, the future directions of research in semi-active control are also summarized.

Keywords: smart structure     semi-active method     vibration control     piezoelectric actuator    

Design of active orthoses for a robotic gait rehabilitation system

A. C. VILLA-PARRA,L. BROCHE,D. DELISLE-RODRÍGUEZ,R. SAGARÓ,T. BASTOS,A. FRIZERA-NETO

Frontiers of Mechanical Engineering 2015, Volume 10, Issue 3,   Pages 242-254 doi: 10.1007/s11465-015-0350-1

Abstract:

An active orthosis (AO) is a robotic device that assists both human gait and rehabilitation therapy

Keywords: active orthosis     gait rehabilitation     electroencephalography     surface electromyography    

Response of indigenous Cd-tolerant electrochemically active bacteria in MECs toward exotic Cr(VI) based

Xia Hou, Liping Huang, Peng Zhou, Hua Xue, Ning Li

Frontiers of Environmental Science & Engineering 2018, Volume 12, Issue 4, doi: 10.1007/s11783-018-1057-4

Abstract:

Cell membrane of indigenous Cd-tolerant EAB harbored more cadmium than chromium.

Indigenous Cd-tolerant EAB cytoplasm located more chromium than cadmium.

Simultaneously quantitatively imaging Cd(II) and Cr(III) ions in EAB was achieved.

Current accelerated the harboring of cadmium in EAB at an initial 2 h.

Current directed the accumulation of more chromium in EAB over time.

Keywords: Microbial electrolysis cell     Electrochemically active bacteria     Cd-tolerant bacteria     Cd(II) and Cr(VI)    

Lung function and air pollution exposure in adults with asthma in Beijing: a 2-year longitudinal panel

Frontiers of Medicine 2022, Volume 16, Issue 4,   Pages 574-583 doi: 10.1007/s11684-021-0882-1

Abstract: The effect of air pollution on the lung function of adults with asthma remains unclear to date.The participants were divided into three groups according to their lung function level at every visitA linear mixed-effect model was applied to predict the change in lung function with each unit changeExposure to CO and PM2.5 was negatively associated with the large airway function of adultsPatients with asthma react differently to air pollutants as evidenced by their lung function levels.

Keywords: lung function     asthma     air pollution     adult    

UPFC setting to avoid active power flow loop considering wind power uncertainty

Shenghu LI, Ting WANG

Frontiers in Energy 2023, Volume 17, Issue 1,   Pages 165-175 doi: 10.1007/s11708-020-0686-z

Abstract: The active power loop flow (APLF) may be caused by impropriate network configuration, impropriate parameterintegrated power flow, and solved with the affine Krawcyzk iteration to make sure that the range of active

Keywords: active power loop flow (APLF)     unified power flow controller (UPFC)     wind power uncertainty     interval power    

The function and regulation of OTU deubiquitinases

Jiansen Du, Lin Fu, Yingli Sui, Lingqiang Zhang

Frontiers of Medicine 2020, Volume 14, Issue 5,   Pages 542-563 doi: 10.1007/s11684-019-0734-4

Abstract: These OTUs show great variation in structure and function, which display a series of mechanistic featuresIn this review, we provide a comprehensive analysis of current progress in character, structure and functionFinally, we summarize the structure of viral OTUs and their function in immune escape and viral survival

Keywords: ubiquitin     OTU deubiquitinases     structure     function     regulation    

Title Author Date Type Operation

Robust control based on the Lyapunov theory of a grid-connected doubly fed induction generator

Ridha CHEIKH, Arezki MENACER, Said DRID

Journal Article

An Improved BP Algorithm Applying to Inverse Kinematics Problems of Robot Manipulator

Wu Aiguo,Hao Runsheng

Journal Article

advanced engineering measures on displacement and stress field of surrounding rock in tunnels crossing active

Journal Article

Solid-state NMR for metal-containing zeolites: From active sites to reaction mechanism

Xingling Zhao, Jun Xu, Feng Deng

Journal Article

Advances in Active Suspension Systems for Road Vehicles

Min Yu,Simos Evangelou,Daniele Dini,

Journal Article

An antibiotic composite electrode for improving the sensitivity of electrochemically active biofilm biosensor

Journal Article

Upper bound solution to seismic active earth pressure of submerged backfill subjected to partial drainage

Journal Article

Optimal Timing and Recycling Operation Mode for Electro-Mechanical Products Active Remanufacturing

Wang Gao,Tao Li,Shi-tong Peng,Liang Wang,Hong-chao Zhang

Journal Article

Finite element modeling of thermo-active diaphragm walls

Yi RUI, Mei YIN

Journal Article

Semi-active vibration control using piezoelectric actuators in smart structures

Jinhao QIU, Hongli JI, Kongjun ZHU

Journal Article

Design of active orthoses for a robotic gait rehabilitation system

A. C. VILLA-PARRA,L. BROCHE,D. DELISLE-RODRÍGUEZ,R. SAGARÓ,T. BASTOS,A. FRIZERA-NETO

Journal Article

Response of indigenous Cd-tolerant electrochemically active bacteria in MECs toward exotic Cr(VI) based

Xia Hou, Liping Huang, Peng Zhou, Hua Xue, Ning Li

Journal Article

Lung function and air pollution exposure in adults with asthma in Beijing: a 2-year longitudinal panel

Journal Article

UPFC setting to avoid active power flow loop considering wind power uncertainty

Shenghu LI, Ting WANG

Journal Article

The function and regulation of OTU deubiquitinases

Jiansen Du, Lin Fu, Yingli Sui, Lingqiang Zhang

Journal Article