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An analysis in metal barcode label design for reference

Yin ZHAO,Hong-guang XU,Qin-yu ZHANG

Frontiers of Information Technology & Electronic Engineering 2016, Volume 17, Issue 2,   Pages 173-184 doi: 10.1631/FITEE.1500212

Abstract:

We employ nondestructive evaluation involving AC field measurement in detecting and identifying metalUsing the magnetic scalar potential boundary condition at notches in thin-skin field theory and 2D Fourierwith a metal barcode label containing multiple narrow saw-cut notches, and then calculate the magnetic fieldWith the simulations of the magnetic field, qualitative analysis is given for the effects on detecting

Keywords： Metal barcode label     Signal detection     AC field measurement     Internet of things    

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Direct field oriented control scheme for space vector modulated AC/DC/AC converter fed induction motor

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

Frontiers in Energy 2012, Volume 6, Issue 2,   Pages 129-137 doi: 10.1007/s11708-012-0183-0

Abstract: This paper investigates a Luenberger flux observer with speed adaptation for a direct field orientedSimulation results show that the proposed direct field oriented control with the proposed observer provides

Keywords： induction motor     direct filed oriented control     Luenberger observer     estimation     space vector modulation (SVM)     sliding mode control     boost-rectifier    

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Centrifuge model test and field measurement analysis for foundation pit with confined water

Chunlin DING , Xiaohong MENG ,

Frontiers of Structural and Civil Engineering 2009, Volume 3, Issue 3,   Pages 299-304 doi: 10.1007/s11709-009-0035-0

Abstract: The similarity law of centrifuge test was developed for the seepage field and stress field of a foundationFinally, a comparative study was conducted on the test results of the pit deformation and the field measurementresults show that the pit deformation regularity of the test is basically identical with that of the fieldmeasurement, and the difference in pit deformation between the test and the field measurement is within

Keywords： foundation pit with confined water     centrifuge model test     seepage-stress coupling field     similarity relation     field measurement     deformation    

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Study on the measurement of temperature field using laser holographic interferometry

Jinrong ZHU, Suyi HUANG, Wei LV, Huaichun ZHOU

Frontiers in Energy 2011, Volume 5, Issue 1,   Pages 120-124 doi: 10.1007/s11708-010-0107-9

Abstract: The temperature field of an axisymmetric ethylene diffusion flame is measured using laser holographicTemperature field inversion is completed with the aid of components distribution divided from numericalError analysis of key steps is conducted using the theoretical formula of interference temperature measurementMoreover, the small error in environmental temperature measurement transfer to a high temperature rangeResults of temperature measurement using air components assumption relative to combustion simulation

Keywords： temperature field     flame     error analysis     holographic interferometry    

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Field measurement and analysis of asymmetric shallow buried twin tunnels with ultra small spacing

Wang Yunlong,Tan Zhongsheng,Chen Ying

Strategic Study of CAE 2012, Volume 14, Issue 11,   Pages 24-28

Abstract: took for example; the surrounding rock pressure features and support force are analyzed through the fieldmeasurement.

Keywords： tunnel     ultra-small spacing     asymmetric     shallow-buried     field measurement    

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Field scale measurement of greenhouse gas emissions from land applied swine manure

Devin L. Maurer, Jacek A. Koziel, Kelsey Bruning

Frontiers of Environmental Science & Engineering 2017, Volume 11, Issue 3, doi: 10.1007/s11783-017-0915-9

Abstract: observational study was to measure GHG fluxes from land application of swine manure on a typical corn fieldStatic chambers were used for flux measurement along with gas analysis on a GC-FID-ECD.

Keywords： Climate change     Emissions     Greenhouse gases     Land application     Swine manure    

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Emergence in cyber-physical systems: potential and risk

Shmuel Tyszberowicz, David Faitelson,tyshbe@tau.ac.il,davidf@afeka.ac.il

Frontiers of Information Technology & Electronic Engineering 2020, Volume 21, Issue 11,   Pages 1535-1670 doi: 10.1631/FITEE.2000279

Abstract: (CPSs) are distributed assemblages of computing, communicating, and physical components that sense their environment, algorithmically assess the incoming information, and affect their physical environment. Thus, they share a common structure with other , and therefore share both the possible benefits and the probable harmful effects of emergent phenomena. Emergence is an often unexpected pattern that arises from the interactions among the individual system components and the environment. In this paper we focus on three major problems concerning emergence in the context of CPSs: how to successfully exploit emergence, how to avoid its detrimental effects in a single CPS, and how to avoid harmful emergence that arises due to unexpected interaction among several independently developed CPSs that are operating in the same environment. We review the state of the research with regard to these problems and outline several approaches that could be used to address them.
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A New Method for Inferencing and Representing a Workpiece Residual Stress Field Using Monitored Deformation

Zhiwei Zhao,Changqing Liu,Yingguang Li,James Gao

Engineering 2023, Volume 22, Issue 3,   Pages 49-59 doi: 10.1016/j.eng.2022.07.018

Abstract: that must meet high-precision requirements, accurately measuring and predicting the residual stress fieldExisting technologies for measuring the residual stress field are either strain-based measurement methodsIn the proposed method, the residual stress field of a workpiece is inferred based on the characteristicsof the deformation forces that reflect the overall effect of the unbalanced residual stress field afterThe relationship between deformation forces and the residual stress field is modeled based on the principle

Keywords： Residual stress field     Precision manufacturing     Deformation force     Inverse problem     In situ     measurement    

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density measurement for plastic injection molding via ultrasonic technology

Frontiers of Mechanical Engineering 2022, Volume 17, Issue 4, doi: 10.1007/s11465-022-0714-2

Abstract: Therefore, in-situ density measurement is of great interest and has significant application valueThis study is the first to propose an in-situ density measurement method using ultrasonic technologyThe proposed method has the advantages of in-situ measurement, non-destructive, high accuracy,

Keywords： ultrasonic measurement     melt density     in-situ measurement     injection molding    

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Impact of selection of DC base values and DC link control strategies on sequential AC-DC power-flow convergence

Shagufta KHAN,Suman BHOWMICK

Frontiers in Energy 2015, Volume 9, Issue 4,   Pages 399-412 doi: 10.1007/s11708-015-0374-6

Abstract: This paper demonstrates the convergence of the integrated AC-DC power-flow algorithm as affected by theFor power-flow modeling of integrated AC-DC systems, the base values of the various DC quantities cansequential method is used to solve the DC variables in the Newton Raphson (NR) power flow model, where ACseparately and are coupled by injecting an equivalent amount of real and reactive power at the terminal AC

Keywords： AC-DC power-flow     Newton-Raphson method     high voltage direct current (HVDC) control strategy    

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AC-DC Power Integration Techniques

Ma Weiming

Strategic Study of CAE 2002, Volume 4, Issue 12,   Pages 53-59

Abstract:

A novel AC — DC machine is invented on the basis of the proposed new idea of electric powerintegration, wherein the stator with one set of 3-phase AC winding and another set of 12-phase DC winding, together with a rotor having a d-axis field winding and a q-axis stabilizing winding, is combined witha 12-phase bridge rectifier, an AC exciter with an excitation system, the automatic voltage regulatorMathematical models of the machine are established and calculation and measurement methods of the model

Keywords： electric power integration     double-winding AC - DC generator     12-phase rectification     simultaneous AC and    

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Research on the variable speed technology of large power alternating current motor

Li Chongjian

Strategic Study of CAE 2009, Volume 11, Issue 5,   Pages 31-36

Abstract:

In this paper, the development status of the domestic large power ACThe domestic large power AC drivers fed by cycloconverters have been greatly developed, and some innovationThe development of the first domestic 7.5 MVA IGCT AC-DC (direct current)-AC converter is also introduced

Keywords： large power AC motor     cycloconverter     AC-DC-AC converter     IGCT    

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Dynamic power-gating for leakage power reduction in FPGAs Research Article

Hadi JAHANIRAD,h.jahanirad@uok.ac.ir

Frontiers of Information Technology & Electronic Engineering 2023, Volume 24, Issue 4,   Pages 582-598 doi: 10.1631/FITEE.2200084

Abstract: devices have become widespread in electronic systems due to their low design costs and reconfigurability. In battery-restricted applications such as handheld electronics systems, low-power FPGAs are in great demand. almost equals dynamic power in modern integrated circuit technologies, so the reduction of leads to significant energy savings. We propose a power-efficient architecture for static random access memory (SRAM) based FPGAs, in which two modes (active mode and sleep mode) are defined for each module. In sleep mode, ultra-low is consumed by the module. The module mode changes dynamically from sleep mode to active mode when module outputs evaluate for new input vectors. After producing the correct outputs, the module returns to sleep mode. The proposed circuit design reduces the consumption in both active and sleep modes. The proposed low-leakage FPGA architecture is compared with state-of-the-art architectures by implementing Microelectronics Center of North Carolina (MCNC) benchmark circuits on FPGA-SPICE software. Simulation results show an approximately 95% reduction in consumption in sleep mode. Moreover, the total power consumption (leakage+dynamic power consumption) is reduced by more than 15% compared with that of the best previous design. The average area overhead (4.26%) is less than those of other designs.

Keywords： Field programmable gate array (FPGA)     Leakage power     Power-gating     Transistor-level circuit design    

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Toward a nonlinear control of an AC-DC-PWM converter dedicated to induction heating

Amel HADRI-HAMIDA, S. ZEROUALI, A. ALLAG

Frontiers in Energy 2013, Volume 7, Issue 2,   Pages 140-145 doi: 10.1007/s11708-013-0243-0

Abstract: In this paper, a nonlinear control strategy applied to an AC-DC-pulse width modulation (PWM) converter

Keywords： DC-DC converter     AC-DC-pulse width modulation (PWM) converter     induction heating     nonlinear control    

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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: In this paper, a new sensorless interior permanent magnet synchronous motor (IPMSM) drives method with extended Kalman filter (EKF) for speed, rotor position and load torque estimation is proposed. The direct torque control (DTC) technique for permanent magnet synchronous motor (PMSM) is receiving increasing attention due to the important advantages of the low dependence on motor parameters when compared with other motor control techniques. The Kalman filter is an observer for linear and non-linear systems and is based on the stochastic intromission, in others words, noise. The PMSM is fed by an indirect power electronic converter which is controlled by a sliding mode technique. The simulation tests performed for different operating conditions have confirmed the robustness of the overall system; and it is shown that the sliding mode technique has successfully minimized the different harmonics introduced by the line converter.

Keywords： direct torque control (DTC)     sensorless control     extended Kalman filter (EKF)     permanent magnet synchronous motor (PMSM)     boost-rectifier    

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Title Author Date Type Operation

An analysis in metal barcode label design for reference

Yin ZHAO,Hong-guang XU,Qin-yu ZHANG

Journal Article

Direct field oriented control scheme for space vector modulated AC/DC/AC converter fed induction motor

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

Journal Article

Centrifuge model test and field measurement analysis for foundation pit with confined water

Chunlin DING , Xiaohong MENG ,

Journal Article

Study on the measurement of temperature field using laser holographic interferometry

Jinrong ZHU, Suyi HUANG, Wei LV, Huaichun ZHOU

Journal Article

Field measurement and analysis of asymmetric shallow buried twin tunnels with ultra small spacing

Wang Yunlong,Tan Zhongsheng,Chen Ying

Journal Article

Field scale measurement of greenhouse gas emissions from land applied swine manure

Devin L. Maurer, Jacek A. Koziel, Kelsey Bruning

Journal Article

Emergence in cyber-physical systems: potential and risk

Shmuel Tyszberowicz, David Faitelson,tyshbe@tau.ac.il,davidf@afeka.ac.il

Journal Article

A New Method for Inferencing and Representing a Workpiece Residual Stress Field Using Monitored Deformation

Zhiwei Zhao,Changqing Liu,Yingguang Li,James Gao

Journal Article

density measurement for plastic injection molding via ultrasonic technology

Journal Article

Impact of selection of DC base values and DC link control strategies on sequential AC-DC power-flow convergence

Shagufta KHAN,Suman BHOWMICK

Journal Article

AC-DC Power Integration Techniques

Ma Weiming

Journal Article

Research on the variable speed technology of large power alternating current motor

Li Chongjian

Journal Article

Dynamic power-gating for leakage power reduction in FPGAs

Hadi JAHANIRAD,h.jahanirad@uok.ac.ir

Journal Article

Toward a nonlinear control of an AC-DC-PWM converter dedicated to induction heating

Amel HADRI-HAMIDA, S. ZEROUALI, A. ALLAG

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