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An investigation on stress distribution effect on multi- piezoelectric energy harvesters

Hailu YANG, Dongwei CAO

Frontiers of Structural and Civil Engineering 2017, Volume 11, Issue 3,   Pages 301-307 doi: 10.1007/s11709-017-0404-z

Abstract: this paper, the effects of multiple piezoelectric elements on the generation of electrical energy and outputpiezoelectric units work together, if the stress state of the piezoelectric units is different, the total outputFor uneven stress distribution, the optimal output mode is that each of the piezoelectric units rectified

Keywords： piezoelectric transducer     uneven stress     impedance matching     optimal energy output    

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A novel method for extending the output power back-off range of an asymmetrical Doherty power amplifier Research Article

Mingyu LI, Xiaobing CHENG, Zhijiang DAI, Kang ZHONG, Tianfu CAI, Chaoyi HUANG

Frontiers of Information Technology & Electronic Engineering 2023, Volume 24, Issue 3,   Pages 470-479 doi: 10.1631/FITEE.2200250

Abstract: extended by tuning the of the peaking stage away from infinity and changing the phase delay of the output

Keywords： Doherty power amplifier (DPA)     Output power back-off (OPBO)     Output impedance     Network phase    

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Spectral element modeling based structure piezoelectric impedance computation and damage identification

Zhigang GUO, Zhi SUN

Frontiers of Structural and Civil Engineering 2011, Volume 5, Issue 4,   Pages 458-464 doi: 10.1007/s11709-011-0133-7

Abstract: This paper presents a numerical simulation study on electromechanical impedance technique for structuralThe basic principle of impedance based damage detection is structural impedance will vary with the occurrencelocation and severity of structural damage through the minimization of the deviations between structural impedance

Keywords： PZT     piezoelectric impedance     optimization     spectral element     damage identification    

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stack configuration on interface resistances in reverse electrodialysis by in situ electrochemical impedance

Frontiers of Environmental Science & Engineering 2022, Volume 16, Issue 4, doi: 10.1007/s11783-021-1480-9

Abstract:

• RED performance and stack resistance were studied by EIS and LSV.

Keywords： Reverse electrodialysis     Electrochemical impedance spectroscopy     Concentration polarization     Spacer shadow    

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Fuzzy force control of constrained robot manipulators based on impedance model in an unknown environment

LIU Hongyi, WANG Fei, WANG Lei

Frontiers of Mechanical Engineering 2007, Volume 2, Issue 2,   Pages 168-174 doi: 10.1007/s11465-007-0028-4

Abstract: unknown environment, a control strategy based on fuzzy prediction of the reference trajectory in the impedanceThe experimental results show that the desired trajectory in the impedance model is predicted exactly

Keywords： predictive     tracking     corresponding     stiffness     algorithm    

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Detection of void and metallic inclusion in 2D piezoelectric cantilever beam using impedance measurements

S. SAMANTA, S. S. NANTHAKUMAR, R. K. ANNABATTULA, X. ZHUANG

Frontiers of Structural and Civil Engineering 2019, Volume 13, Issue 3,   Pages 542-556 doi: 10.1007/s11709-018-0496-0

Abstract: of current work is to improve the existing inverse methodology of void-detection based on a target impedanceIn this work, mode-shape dependent shifting phenomenon of peaks of impedance curve with change in voideach iteration starting from each initial guess, the difference between the computationally obtained impedancecurve and the target impedance curve has been reduced.

Keywords： piezoelectricity     impedance curve     mode shapes     inverse problem     flaw detection     curve shifting    

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Enhancement of distillate output of double basin solar still with vacuum tubes

Hitesh N PANCHAL, P K SHAH

Frontiers in Energy 2014, Volume 8, Issue 1,   Pages 101-109 doi: 10.1007/s11708-014-0299-5

Abstract: latent heat of condensation is lost to the atmosphere; hence it is not utilized to increase distillate outputBut the distillate output of the top basin was even lower compared with that of the bottom basin.This paper proposed a novel approach to increase the distillate output of the double basin solar stillThe results showed that the distillate output of basin material with calcium stones is greater (74%)The integration of vacuum tubes with solar still greatly increases the distillate output of the solar

Keywords： double basin solar still     calcium stones     pebbles     granite gravel     distillate output    

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Modeling and analysis of controllable output property of cantilever-beam inertial sensors based on magnetic

Guixiong LIU, Peiqiang ZHANG, Chen XU

Frontiers of Mechanical Engineering 2009, Volume 4, Issue 2,   Pages 129-133 doi: 10.1007/s11465-009-0035-8

Abstract: the property of the cantilever-beam and the novel controllable mag-viscosity of magnetic fluid, the outputof cantilever-beam sensors is under control so that the controllable output of the sensors can be realizedThe result shows that it is valid to realize the controllable output of the sensors by controlling the

Keywords： sensors     magnetic fluid     property of mag-viscosity     controllable output    

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Cutting CO emissions through demand side regulation: Implications from multi-regional input–output linear

Frontiers of Engineering Management   Pages 452-461 doi: 10.1007/s42524-022-0209-1

Abstract: This study combines multi-regional input–output (MRIO) model with linear programming (LP) model to explore

Keywords： CO2 emissions     demand side regulation     multi-regional input–output model     linear programming    

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Human–Robot Collaboration Framework Based on Impedance Control in Robotic Assembly Article

Xingwei Zhao,Yiming Chen,Lu Qian,Bo Tao,Han Ding

Engineering 2023, Volume 30, Issue 11,   Pages 83-92 doi: 10.1016/j.eng.2022.08.022

Abstract: An HRC framework for robotic assembly based on impedance control is proposed in this paper.main executor to perform the assembly action, which has the position control, drag and drop, positive impedancecontrol, and negative impedance control modes.

Keywords： Human–robot collaboration     Impedance control     Robotic assembly    

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Valveless pumping using a two-stage impedance pump

V. C.-C. LEE, Y. A. ABAKR, K.-C. WOO

Frontiers of Mechanical Engineering 2013, Volume 8, Issue 3,   Pages 311-318 doi: 10.1007/s11465-013-0270-x

Abstract:

Impedance pump is defined as a type of valveless pumping mechanism, where an elastic tube is joinedwith a tube of different impedance, a periodic asymmetrical compression on part of the elastic tubeconducted in the past, but little experimental work was found to exploit the principle of multi-stage impedancethis work is to have an insight on the deliverable head and pumping rate of an open-loop two-stage impedance

Keywords： valveless pumping     open-loop     two-stage     unidirectional     composite    

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New method to determine optimum impedance of fault current limiters for symmetrical and/or asymmetrical None

Mahmoud MODARESI, Hamid LESANI

Frontiers of Information Technology & Electronic Engineering 2018, Volume 19, Issue 2,   Pages 297-307 doi: 10.1631/FITEE.1601689

Abstract: To select the type and value of the impedance of fault current limiters (FCLs) for power network designers, we introduce a new method to calculate the optimum value of FCL impedance depending on its positionDue to the complexity of its impedance, the costs of both real and imaginary parts of FCL impedance areThe optimization of FCL impedance is based on a goal function that maximizes the reduction of the faultboth real and imaginary parts of FCL impedance.

Keywords： Fault current limiter (FCL)     FCL impedance     Short circuit current     Fault current     Power system    

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Estimation of regional physical imports and exports of EW-MFA in China using monetary input-output tables

Nan LI, Tianzhu ZHANG

Frontiers of Environmental Science & Engineering 2013, Volume 7, Issue 2,   Pages 242-254 doi: 10.1007/s11783-012-0443-6

Abstract: This method uses provincial monetary input-output tables (MIOT) and international trade statistics.

Keywords： economy-wide material flow accounts (EW-MFA)     monetary input-output table (MIOT)     regional physical imports    

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Investigation on the integral output power model of a large-scale wind farm

BAO Nengsheng, MA Xiuqian, NI Weidou

Frontiers in Energy 2007, Volume 1, Issue 1,   Pages 67-78 doi: 10.1007/s11708-007-0006-x

Abstract: The integral output power model of a large-scale wind farm is needed when estimating the wind farm soutput over a period of time in the future.The calculation algorithms and steps of the integral output power model of a large-scale wind farm areFinally, an actual power output of the wind farm is calculated and analyzed by using the practical measurement

Keywords： power model     actual     energy     large-scale     practical measurement    

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Tracking control of robot manipulators via output feedback linearization

FEI Yue-nong, Wu Qing-hua

Frontiers of Mechanical Engineering 2006, Volume 1, Issue 3,   Pages 329-335 doi: 10.1007/s11465-006-0034-y

Abstract: This paper presents a robot manipulator tracking controller based on output feedback linearization.The use of SPO allows to input/output linearize and decouple the strongly coupled nonlinear robot manipulator

Keywords： available     comparison     unmeasurable     nonlinear     perturbation observer    

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Title Author Date Type Operation

An investigation on stress distribution effect on multi- piezoelectric energy harvesters

Hailu YANG, Dongwei CAO

Journal Article

A novel method for extending the output power back-off range of an asymmetrical Doherty power amplifier

Mingyu LI, Xiaobing CHENG, Zhijiang DAI, Kang ZHONG, Tianfu CAI, Chaoyi HUANG

Journal Article

Spectral element modeling based structure piezoelectric impedance computation and damage identification

Zhigang GUO, Zhi SUN

Journal Article

stack configuration on interface resistances in reverse electrodialysis by in situ electrochemical impedance

Journal Article

Fuzzy force control of constrained robot manipulators based on impedance model in an unknown environment

LIU Hongyi, WANG Fei, WANG Lei

Journal Article

Detection of void and metallic inclusion in 2D piezoelectric cantilever beam using impedance measurements

S. SAMANTA, S. S. NANTHAKUMAR, R. K. ANNABATTULA, X. ZHUANG

Journal Article

Enhancement of distillate output of double basin solar still with vacuum tubes

Hitesh N PANCHAL, P K SHAH

Journal Article

Modeling and analysis of controllable output property of cantilever-beam inertial sensors based on magnetic

Guixiong LIU, Peiqiang ZHANG, Chen XU

Journal Article

Cutting CO emissions through demand side regulation: Implications from multi-regional input–output linear

Journal Article

Human–Robot Collaboration Framework Based on Impedance Control in Robotic Assembly

Xingwei Zhao,Yiming Chen,Lu Qian,Bo Tao,Han Ding

Journal Article

Valveless pumping using a two-stage impedance pump

V. C.-C. LEE, Y. A. ABAKR, K.-C. WOO

Journal Article

New method to determine optimum impedance of fault current limiters for symmetrical and/or asymmetrical

Mahmoud MODARESI, Hamid LESANI

Journal Article

Estimation of regional physical imports and exports of EW-MFA in China using monetary input-output tables

Nan LI, Tianzhu ZHANG

Journal Article

Investigation on the integral output power model of a large-scale wind farm

BAO Nengsheng, MA Xiuqian, NI Weidou

Journal Article

Tracking control of robot manipulators via output feedback linearization

FEI Yue-nong, Wu Qing-hua

Journal Article