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Development of Non-adjacent Measurement of Static Electricity
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 YƋZp@YvZpZ^[@v$V[@Cei@a yR[fBl[^ziYƋZp BYwAgZ^[ Cmx[VR[fBl[^j{@g https://unit.aist.go.jp/msrc/index.html {ł́AUUƌdEZTp邱ƂŁAߐڌ^̐ÓdCvZpJBł10mmp̑ѓd̂UA̓dאUƓg̓dEUNB̋ZpɂĉX́AdEZTƃbNCAvp邱ƂŁAΏە50mꂽʒuɂ100Hz̒gdEo邱ƂɐB Non-adjacent measurement of static electricity on a surface by using a vibrating excitation and an optical electrical field sensor has been developed. An electric field is induced by exciting a charged object of 10 mm square in size. The frequency of the induced electric field is the same one of the charge oscillation. We have clarified that it can be measured the extremely low frequency electric field at 100 Hz from a distance of 50 mm for the charged object by an optical electrical field sensor and a Lock-in-amplifier. ܂ł̐ÓdCvZṕAZTŊÓdEo邱ƂÄ邽߂ɂ̓ZTߐڂĎgp邱ƂK{łB{ŊJÓdCvZṕAΏەɃZTߐڂ邱ƂȂAʐςωɐÓdC𑪒肷邱Ƃ\łB Eߐڂ̐ÓdCvZp EgdE̍xoZp EYł̐ÓdC̃j^O EÓdCʂ̌ ₢킹͂ 2 َ̗ԃX|bgbڍ@̊J Cold Forge Spot-bonding of dissimilar metal sheets 10:1010:30  Éw@Hwȁ@ޗobNLXgeNmW[Z^[@@@pk yR[fBl[^ziÉw wpEYwAgi{ T[EAh~jXg[^[j@ http://www.numse.nagoya-u.ac.jp/mse/field/ Yό𗘗pԃX|bgbڍ@ɂ荂͍|ƍxA~jE̃nCubhp̐ڍɐBœKł́AIڍѕޔjfp\Ȍp苭xBόR(d)̈قȂَ̐ڍɂ́Aό^ɂw̐܂߂H݌vdvŗLAeYLvf͂pčœKsB The cold forging spot-bonding method using plastic deformation was developed. In optimal condition, the metallurgical bonding and the plactical joint strength was obtained. In the case of dissimilar metals having different flow stress (hardness), the process design including the control of back pressure by the deformable die is important. The optimization is performed using elastoplastic finite element analysis. Ԓbɂ{@̓t@Xi[pȂ߁Ai_AdʁAH̑ȂBMGlM[̗pȂ߁AMeɂ㉻EƉȂBZvZX^CAႢׁAǍDȘJSq̓_DĂB EԒb(YH)݂̂ŖIڍ EƉ邽ߗnڂȈَ(|ƃA~jE)̐ڍ\ Eό^ɂwZp̂ߒPvX(PK͐ݔ)ŉH\ EԌyʉZpF|ƌy̃nCubh\ EdqdCiEMiڍZpFƃA~jEނ̐ڍ EWiinCe|̓A~jE\pj zzi5.02MBj ₢킹͂ 3 gdgłewcgpjffZp̊J Novel nondestructive inspection technology using high frequency electromagnetic wave 10:3010:50  kw@w@Hwȁ@m\foCXޗwU@@R@T yR[fBl[^zi keNmA[ ZpjΎR@W http://www.material.tohoku.ac.jp/~denko/lab.html ЉՂx\̗̂򉻏Ԃ𒴍gdgłewcgpĉZpЉBႦ΁ARN[gɖ݂ꂽfsɂĔ핢ꂽdf\ʂ̎RɂďXɗ򉻂Bgdgłewcg͐≏̂ɑ΂鍂ߐAɑ΂鍂˓L邽߁AHԂ̏iKxɌm邱Ƃ\łB{Zp͎ЉCtxffZpƂẲp҂B We have developed novel inspection technology of corroded metals covered with unvisible materials using high frequency electromagnetic wave source, terahertz wave (THz-wave). THz-wave enables us to detect an early deteriation state of the metal surface for high sensitivity through the coating insulator. Our technology is expected as a new nondestractive inspection technology to support social infrastructure. ЉՍޗ̗򉻐ff͎ɔȂǂ̔j󌟍XpčsĂB{Zpł́Al̂ɈSjɂ\̗򉻐ff\łB Eewcg͐≏̂ɑ΂鍂ߐƋɑ΂鍂˓LdgłB Egdgł邱ƂgƓlɒiɗDA舵eՁB EU킨ьo킪^łAł̎gp\łB E핢ꂽdfԂ̂̏C[WO ERN[gɔ핢ꂽf\ʏԂ̂̏C[WO Ehꂽ|ɐH̉ѓ EOo zzi1.25MBj ₢킹͂ 4 ޗ̑ϖՁEϐHLdx\ʂ̑nZp Technology for manufacturing the high hardening surface with wear and corrosion resistance 10:5011:10  Qnw@w@@Hw{@m\@Bn@@R@^i yR[fBl[^ziQnw QnwTLO mIYR[fBl[^j@a_ {Zpł́Aȏpĕi\ʂzEfgUAzEfƓSȂǂ̉w邱ƂŁA1800HV(HRC80)ȏ̍dx\ʂ𓾂BɔM{gD艻邱ƂŁAϐH𓾂B This process is to diffusion B from the surface of the mechanical device using a low-cost processing bath, and the high hardness layer (1800HV, HRC80) is provided. Moreover, this process include process to stabilize metallographic structure by heat-treating this surface and improve corrosion resistance. R[eBO(߂)ƈقȂfނ̕\ʓd@őϔAnsKvB܂̏@ɔ׍dxwAKX≊gpȂSEŕGɑΉ\ȏ@łB EȑusKvFSEȏōdx\ʑw\ EFG׍aL镔iłĂd\ Efނƈ̉dwFMՌ₹f͂ɂ蔍ɂ E|ǁCC^[rAWFbgGWȂǂ̋@BIEwIZH̕ی E/ցAqF@\i(MA)AÊ(n)̑ϋv ȆAϖՐAϐHAdAύ_Ȃǂ̌オ]܂镔i ETv񋟉\i\j EWiiϖՏ{ȃTvƌW\j zzi3.14MBj ₢킹͂ 5 ^R̋z͕킵ėp^zObp General purpose vacuum gripper imitated octopus sucker 11:1011:30  ֐w@VXeHw@@BHwȁ@@@q yR[fBl[^zi֐w [ȊwZpi@\ R[fBl[^[jؑ@_ http://www2.itc.kansai-u.ac.jp/~t100051/ HɂgňǐE@Ep͑lȂ߁AeXɓKnhgpBnh̐ۊǂ̃RXgAnh̎ԃXȂǂ̖肩Aėpnh߂ĂB{ł́AGȕi̔c\ȃ^R͕킵zՌ^tLVunhJB{nh͏\mm̒iȗa̂cłAőz͂30NłB܂SzՂ̓1̃ouŐł邽߃VXePɂłB The various parts was conveyed and assembled using a suited hand for part in the manufactories. However, a general purposed hand is expected, since the conventional hand has the problems, for example, cost of fabrication and storage of hand, and exchange time of hand. The proposed hand can grip the various object because of the flexible hand with sucker imitating octopus. This hand gripped object with ten-odd mm step or curvature. The maximum absorption force was 30 N. The hand system can be simple, since the all sucker are controlled by one valve. ]̋zՂɂ镡G̔cł́A̋zՂΏەɍ킹ĔzuEpx𒲐nh쐻Bɑ΂Ė{nh͕Gɋzł邽ߑlȕi̔Eg舵ƂłBzE̊{VXe͐^󔭐AouA͌vA͊oZTe1ŉ\ł邽ߐ䂪PɂȂB EcΏە̌E@EpɈ˂炸z\ Et̒ɂ镨(ƂΉtt̕)c\ EzVXeȕցi{VXeƂĐ^󔭐A͌vAouAtH[XQ[We1Kvj EEĝ߂̎YƗp{bg̃GhGtFN^ EOǐffp̕ǂ̂ڂ胍{bg̋z Eɂ镨̔cA EWii삵nhƋzj zzi1.28MBj ₢킹͂ 6 xђᖀCWȏޗ̊J Development of self-lubrication composite with high strength and low frictional coefficient 13:0013:20  ÉHƑw@w@Hwȁ@@\HwU@y@@ yR[fBl[^ziÉHƑw YwAgZ^[ YwAgR[fBl[^jԁ@Ij http://watanabe-sato.web.nitech.ac.jp {ZṕA\҂炪ƎɗL鉓SZp𗘗p邱ƂŁACu邢CuɃOt@CgqXΕUAɂċxіCՓɗDꂽCuȏޗ𐻑ZpłB̋Zpɂč쐻Cuȏޗ́ACuɔׂ1/2ȉ̖CWA2{ȏ̑ϖՐB܂ACuꑊTiY邱ƂŁAȏޗ̋xコ邱ƂłB Cu-based self-lubrication composite with high strength and good frictional properties has been developed by using novel centrifugal casting method. The Cu-based self-lubrication composite has low frictional coefficient and high wear resistance comparing with pure Cu. Furthermore, the strength of this composite can be improved by the addition of Ti. ]Zpɂ͏Č@ނɌő̏ڍ@B̋ZpŐi͐@邱Ƃ⋭xႢ_B{ċZṕAŝ̉SuŎ{\łǍ_ĂB Ei@̐ȂB Eʂ݂̂Ɍő̏q𕪎UłB ECՓ̑ɐU\҂łB Eׂ莲pi E@Bi Ezp ExAёϖՐɗDꂽȏޗюȏޗAȂтɓYޗыޗ̐@ ETv񋟉\i\j zzi1.54MBj ₢킹͂ 7 X|bgnړ\͗pj󌟍u Magnetic nondestructive testing system for spot welds 13:2013:40  Rw@RȊwȁ@YƑnHw@@˓c@[ yR[fBl[^ziRw iYwAg@\mIYvf[T[j@FF http://www.sense.ec.okayama-u.ac.jp/index.html X|bgnڕ̐M]puƂĎCpVȔj󌟍ůJȂBuƂāA1΂̎Cv[uŃX|bgnڕ݂݁A𓧉߂Čv铧ߎv@ƁA\ʂقȂ鎥Ǝ˂Đ[zvQdv@Ȃ2̌v@\AʃXLjOł鑕uJBقȂnڎԂ̃X|bgnڎ쐬ÄႢ3摜\邱Ƃ\ƂȂB We developed a combined technique using magnetic flux penetration and an eddy current test. The magnetic measurment system consist of a pair of magnetic probes having an induction coil and detection coil. The ECT was performed at each surface with multiple frequencies. The magnetic flux penetration method showed good correction with the destructive shear test. 3 dimensional internal structure of welded part was imaged by the developed system. w\ł̃X|bgnڂ̓\CIɉ͂ł悤ɂȂA̐ڍx]ł悤ɂȂB EZԂŃX|bgnڂ̐M]\ Ew\ł̕]\ EuRXg EHƐi EX|bgnڂ̌u zzi1.17MBj ₢킹͂ 8 YfimqpVKނɂH̊(Tt@CASiC)̍Ɋւ錤 Study on Novel High Efficiency Polishing Slurry for Hard-Processing Materials (sapphire, SiC) using Carbon Nano particles 13:4014:00  BHƑw@Hw@@@BHwn@y@؁@bF yR[fBl[^ziBHƑw T[EAh~jXg[VEZ^[ URAj@RIq https://www.kyutech.ac.jp/professors/iizuka/i4/i4-2/entry-783.html {Ă̋ZṕA_Ch܂̓VJqƐ_t[Ƃ̕ɂCMP(w@B)p̒Yfimu̍쐻@łB͔̊̌[ǧƃXNb}̗҂BA̎ނɍēuJX^}CY邱Ƃ\łBp[́ELEDƖŎvLтĂSiCTt@CAȂǓHނCMPvZX̍ExɗpłB We have been developed the novel chemical mechanical planarization(CMP) slurries using hydroxyl [60] fullerene for hard-processing materials such as sapphire and SiC substrates to realize high efficiency polishing method. The slurry was prepared by mixing small amount of the hydroxyl [60] fullerene in the diamond and silica slurry. To provide a nano-Carbon CMP slurry excellent in planarization characteristics and exhibiting high polishing speed, the CMP technology can be applied to power semiconductor and LED devices. CMPX[Ɋւ鋣ZṕAɃvY}⎇OƎ˂sߐVɐpu̓KvA{Zp͊̌ugp\łB܂A_t[͌Ołq\󂵂Ȃߌɍėp邱ƂŃRXgጸłB EimYfqYHޗpނ̊J ETt@CASiCA_Chɂ鍂@ E_t[Ȃǂ̃imYfqނ֓Kp Ep[ ELEDfq EdoCgAdbv zzi1.20MBj ₢킹͂ 9 @ɂ鍂\gWX^^L@fq̊J Development of high performance printed organic memory devices 14:0014:20  Rw@w@Hwȁ@dCdqHwU@@c@Y yR[fBl[^ziRw ێƉZ^[ R[fBl[^j@Cv http://tokitolabo.yz.yamagata-u.ac.jp/html/index.html @ɂ鍂\ȃgWX^^L@Ud̃fqJB쓮d10VȉAێ10O6bȏƔɗǍDȐ\LB܂ƂŁARXgɕK{ƂȂACZp̉ۑ𖾊mɂłB10~10̃ACfq̎ڑOłB We developed fully-printed organic ferroelectric memory based on thin-film transistor structure. The fabricated devices exhibited high performance with low operation voltage of less than 10 V and long retention time of more than 10^6 sec. Furthermore, we clarified what is issues for technology for memory arrays which enable low-cost memory devices. sł͋쓮d50Vł̂ɑ΂A{Jł͋쓮d10V\ƂB܂AIItd́Asł10xł̂ɑ΂A{ł3400ƖmȗDʐB ESĂŎ郁fq EdɏCZp EUd̃̋쓮dጸ EwXPAZT E^ʐM^O Eʕ̓xZT EWiitLVuɍ쐻L@fqj zzi1.33MBj ₢킹͂ 10 dgz\LEbhvXbN Wood-plastic composites with electromagnetic wave absorption performance 14:2014:40  w@Hw@dCdqEVXeHwȁ@@OY@i yR[fBl[^ziw i@\ yj@O http://www.eng.iwate-u.ac.jp/jp/profile/miura_kenji.html EbhfbLȂǂŏiт̂鍬^EbhvXbN(WPC)ɎψꕪU邱ƂŁAځEGƂɖ؎ȂGHzт̓dgzVdgẑJBwE\ɂzg̒\łALAN2g(2.45A5.2GHz)p̓dgẑڏB A new wave absorber for GHz band made of wood-plastic composites was developed by kneading plastic, wood powder and soft ferrite magnetic powder. Multi-layer and hollow structure enables the wave absorber to control matched frequencies. We obtained a prospect of absorbing both frequencies of 2.45 and 5.2 GHz for wireless LAN. ܂ł̃^ŌĂpdgẑ͊ܐɂdgz\̕ϓۑłA{Zp͍ϐƉY𕹂_ŗDĂAovZXɂ󎩗Rx̌^dgẑ҂łB܂Aa^ނƂĎɍvޗłB E؎Ȃ獂xłdgz\ϓɂ EžA̐ϊAw\ɂzg̒GHzтŉ\ EނvXbNł邽߁AYɗDĂACӌւ̐e ELANANZX|Cg{(wEECxgz[)ł̓dgz ECXn[lX̓Ă鎩ԗp EʐMVXeƍgË@Ƃ̓da@pނË@➑̗p ETv̒񋟉\ EWiisWPC쎥WPCj zzi1.56MBj ₢킹͂ 11 ЊQɂ~ϔ^GlM[ʕ Store-Carry-Forward Energy Distribution Method using EVs in a time of Disasters 15:1015:30  ֐w@w@Hw@Ȋwȁ@@g@O yR[fBl[^zi֐w@w iЉAg@\YwAgR[fBl[^[jۖ{@ http://ist.ksc.kwansei.ac.jp/miwa/miwaLab {́Ad͌nf₷K͍ЊQɂāAZEItBXE}CNObhȂǂɂđƂꂽdE~dݔƁAEVEPHV̂悤Ȓ~d@\ړ̂ɂd͂̒~ϔgݍ킹AzdԂƂ͓ƗɁAd͌n̕܂ł̑֎iƂȂ蓾A~ϔ^GlM[ʕɊւ̂łBĕɂāAȂǗD揇ʂӏɕKvŒ̓d͋\łAЊQ̃GlM[ً̋}Iȑ֎iƂėLłB Even in the case where a power grid fails in the event of a large-scale disaster covering a large area, such as an earthquake, there is a high probability that individual power generation and power storage units installed at various places, such as houses, public facilities, and microgrids, escape damage. Also, although the road network may become disconnected at some points, it is unlikely that all road sections become impassable. This study proposes an emergency alternative means for supplying energy immediately after a disaster without depending on the power grid, where effective matching between the supply and demand of electricity through store-carry-forward of electricity is achieved, by using power generation and power storage units that have escaped damage in combination with mobile units having power generation and power storage capabilities, such as electric vehicles (EVs) and so on. ܂ŌJi߂ĂV2HɂẮAEVEPHV̒~d@\ɏœ_ĂĂÄړ@\Ƃ̑gɂ鑊ʂ_͂ȂB EƂꂽdE~dݔƁAEVEPHV̂悤Ȓ~d@\ړ̂ɂd͂̒~ϔ̑gݍ킹 E~ϔ^̃GlM[ EЊQ̃GlM[ً̋}Iȑ֎i EЊQ̃GlM[ً̋}Iȑ֎i EƎȔzdԂƒႢЊQϐ̍XɂAzd֎iƂĂEVEPHVi zzi797KBj ₢킹͂ 12 @\ޗEܐ݌v̂߂̒IvZw\tgJ Computational chemistry software development for efficient functional materials and drug designs 15:3015:50  Bw@w@Hw@@GlM[Ȋw@@؁@Sq yR[fBl[^ziBw YwAg{ mIYO[v O[vjؓ@ http://aoki.cube.kyushu-u.ac.jp/index_top.html qޗnȂǂ̑傫Ȍqqn̓dqԂ𐳊mɂɌvZʎqwvZ@-Elongation@-JĂBOɁAVimn̍\E@\EJjYvZŎyɗ\E]E͂ɗp铝V~[VVXe\z邱ƂڎwĂB We are developping an efficient and accurate quantum chemistry computational method, elongation method, to calculate electronic states of large systems like polymers/materials. We aim to construct an integrated simulation system for the prediction of novel drug or nanomaterials and also for the analysis of their functional mechanisms before and after the synthesis. {@͐EɂĒ񏥂IWiȏYvZw\tgł邪AߔN̋ZpƔrĂ{@قǐmɓdqԂЂĂ͋@\Zo@͑ɑ݂ȂB EvZ\iñTCYɐႷvZԂŉZ\ȃI[_[N@j EX̋@\MxŎZo\ EPCXpR܂őΉ Eqx̑n݌v E@\qEimޗ̍\E\ EdAANLOAdrޗ݌v EWiip\RŃAj[Vj EOo ₢킹͂ 13 t\u𗘗pǂłpłʐMVXe An Ubiquitous Visible Light Communication System using Liquid Crystal Displays 15:5016:10  Éw@w@Hwȁ@dCdqHwU@y@ac@_ yR[fBl[^ziÉw Cmx[VЉAgi@\ Cyj؁@r[ http://telecom.eng.shizuoka.ac.jp ʐḾAڂɌ𗘗pʐMŁA{VXeł͑M@Ƃĉt\uAM@ƂăC[WZTpBt\u𑗐M@Ƃėp邱ƂŁAMp^F̕ωɂȀ񂪓łB܂AM@ƂčLyĂėp̃C[WZT𗘗p邱ƂŁAŗeՂɐMMłB܂A{VXeɂ^ubgPCX}[gtHȒPɑM@ƂȂB{VXeł́AMn̓K؂ȗpɂāA摜ʐM̐M̌ĂB Optical Wireless Communication systems utilize visible light as a communication medium. A prototype of the system we constructed adopts a Liquid Crystal Display (LCD) as a transmitter and an image sensor as a receiver. By utilizing LCD, we can improve its transmission rate by various illumination patterns and colors. Furthermore, since an image sensor is equipped with general smartphones, the phones will be available as a receiver. The prototype achieves high transmission rate and high reliability by using an appropriate M sequence and error correction. Mnԕt[ɑgݍނƂɂāA摜ʒuɕKvȕׂጸłBtϊɂʓIȉ摜␳KpĂBK؂ȐFϒƌ̓KpŐMB Et\uC[WZT̗pɂ\tgEFAgݍ݂ɊÂȒʐMVXe̍\z E2mxłقڌ̂Ȃ\ EԓIɏ񂪏_ɕωQRR[hɋ߂p Ea@HƂdg̗pꍇł̏B EOR̂ȂZLeBKvȏꍇ̏B EX}[gtH̗pɂ鋳猻Ȃǂł̗p EWiivg^Cv̓Wj zzi2.25MBj ₢킹͂ 14 K̓RecZgbNlbg[LO̒ʐM\ Communication Performance Analysis of Large-Scale Content-Centric Networking 16:1016:30  ֐w@w Hw Ȋw @@V yR[fBl[^zi֐w@w iЉAg@\mIYAhoCUjۖ{@ http://www.lsnl.jp/ IȊɂ CCN(RecZgbNlbg[LO)̒ʐM\v@lĂÃtB[WreB؂B܂AIA-32A[LeÑfŗLWX^𗘗p邱ƂŁAGh|GhԂ̃ReczxуX[vbg̍xvW[JBɁALinux J[l̃C^[tF[XGCAX@\уlbg[NG~[^pAP̕vZ@ŁAK͂CCNlbg[N͋[łlbg[NG~[V\zBɁAK͂ȃlbg[Nz肵ł̐$sACCÑXP[reBуtB[WreB𖾂炩ɂB
We developed a method for measuring the communication performance of CCN(Content-Centric Networking) under realistic environment, and validated its feasibility. First, we developed a method for accurately measuring the end-to-end content delivery time and the throughput using a model specific register of Intel IA-32 architecture. Second, we developed a method for building a network emulation testbed within a single computer using Linux kernel's functionalities such as the interface alias and the network emulator. Finally, we performed a performance evaluation of large-scale CCNs to investigate its scalability and feasibility.

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