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| 1 | A power supply module for autonomous portable electronics:ultralow-frequency MEMS electrostatic kinetic energy harvester with a comb structure reducing air damping显示文摘A MEMS electrostatic kinetic energy harvester(e-KEH)of about 1 cm2,working at ultralow frequency(1–20 Hz),without any supported additional mass on its mobile electrode,and working even without a vacuum environment is reported.The prototype is especially suitable for environments with abundant low frequency motions such as wearable electronics.The proposed e-KEH consists of a capacitor with a finger-teeth interdigited comb structure.This greatly reduces the air damping effect,and thus the capacitance variation remains important regardless of the presence of air.With the new design,the energy transduced per cycle of excitation is no less than 33 times higher than the classic design within 10–40 Hz/2 g_(peak),while is 85 times higher at 15 Hz/2 g_(peak).An enclosed miniature ball combined with non-linear stoppers enables the oscillation of the movable electrode through impact-based frequency up-conversion mechanism,which is also improved by the low air damping.Thanks to this new design,a higher efficiency than the classic gap-closing comb structure is obtained,as a larger range of working frequency(1–180 Hz)in air.A maximum energy conversion of 450 nJ/cycle is obtained with a bias voltage of 45 V and an acceleration of 11 Hz,3 g_(peak).Working with a diode AC-DC rectifier,the proposed KEH is able to support up to 3 RFID communications within 16 s while operated at 11 Hz,3 g_(peak). | Yingxian Lu Frédéric Marty Dimitri Galayko Jean-Marc Laheurte Philippe Basset | 2018 | Microsystems & Nanoengineering2018，4，1： | 2 |
| 2 | Subsurface damage distribution characterization of ground surface using Abbott-Firestone curves 显示文摘 | Raynald Laheurte Philippe Darnis Nathalie Darbois | 2012 | Optics Express2012，20，13： | 1 |
| 3 | Mechanical properties of low modulus beta titanium alloys designed from the electronic approach显示文摘 | Laheurte P Prima F Eberhardt A | | 0，，： | 1 |
| 4 | Circularly polarized antenna with switchable polarization sense显示文摘 | BOTI M DUSSOPT L and LAHEURTE J M | 2000 | Electronics Letters2000，36，18： | 1 |
| 5 | Pattern recon- figuration of microstrip antenna using flip-clip mounted packaged MEMS显示文摘 | Raj R Poussot B Laheurte J M | 2010 | Microwave and Optical Technology Letters2010，52，3： | 1 |
| 6 | Root exudates of maize,pine and beech seedlings influenced by mycorrhizal and bacterial inoculation显示文摘 | Laheurte F Leyval C Berthelin J | 1990 | Symbiosis1990，9，： | 1 |
| 7 | Circularly Polarised Square Patch Antenna Fed by Coplanar Waveguide显示文摘 | Turki Y Migliaccio C Laheurte J M | 1997 | Electronics Letters1997，33，7： | 1 |
| 8 | Influence of the microstructure on the pseudoelasticity of a metastable beta titanium alloy显示文摘 | Laheurte P Eberhardt A Philippe MJ | 2005 | Mater Sci Eng A2005，396，： | 1 |
| 9 | Size Reduction of Microstrip Antennas by Means of Periodic Metallic Patterns 显示文摘 | Pioch S Laheurte J M | 2003 | Electronics Letters2003，39，13： | 1 |
| 10 | MEMS- switched parasitic-antenna array for radiation pat- tern diversity 显示文摘 | Petit L Dussopt L Laheurte J M | 2006 | IEEE T Antenn Propag2006，54，2： | 1 |
| 11 | Effect of aphosphate solubilizing bacteria on maize growth and root exudation over four levels of labile phosphorus显示文摘 | LAHEURTE F BERTHEL IN J | 1988 | Plant and Soil1988，105，： | 1 |
| 12 | Effect of a phosphate solubilizing bacteria on maize growth and root exudation over four levels of labile phosphorus显示文摘 | Laheurte F Berthelin J | 1988 | Plant and Soil1988，105，： | 1 |
| 13 | Mechanical properties of low modulus βtitanium alloys designed from the electronic approach显示文摘 | Laheurte P Prima F Eberhardt A | 2010 | Journal of the Mechanical Behavior of Biomedical Materials2010，3，： | 1 |
| 14 | Equivalent circuit of twin Vivaldi antenna fed by coplanar waveguide显示文摘 | LINARDOU I MIGLIACCIO C LAHEURTE J M | 1999 | Electronics Letters1999，35，25： | 1 |
| 15 | Uniplanar monopulse antenna based on odd/even mode excitation of coplanar line 显示文摘 | Laheurte J M | 2001 | Electronics Letters2001，37，6： | 1 |
| 16 | Effect of a phosphate solubilizing bacteria on maize growth and root exudation over four levels of labile phosphorus 显示文摘 | Laheurte F Berthelin J | 1988 | Plant Soil1988，105，： | 1 |
| 17 | Micro-end milling of NiTi biomedical alloys, burr formation and phase transformation显示文摘 | Piquard R D' Acunto A Laheurte P | 2014 | Precision Engineering2014，38，2： | 1 |
| 18 | Effect of a phosphate solubilizing bacteria on maize growth and root exudation over four levels of labile phosphorus显示文摘 | Laheurte F Berthelin J | 1988 | Plant and Soil1988，105，： | 1 |
| 19 | Effect ofaphosphate solubilizingbacteria on maize growth and root exudation over four levels oflabile phosphorus显示文摘 | Laheurte F Berthelin J | 1988 | Plant Soil1988，105，： | 1 |
| 20 | Theoretical and experimen- tal characterization of CPW-fed mierostrip antennas 显示文摘 | Giauffret L Laheurte J M | 1996 | lEE Proc-Mierowaves Antennas Propagation1996，143，1： | 1 |
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