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p.Ep.r.TION AND CHAr.CTEr.ZATION OF MEDICAL HYDr.SCOp.C p.LYUr.THANE

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Chinese Jour.al of Biomedical engineering(English Edition) 1993年第1期2卷 33-38页

作者： Gu Hanqing Ding Fuqing Lu Mozhu, Tianjin Institute of Ur.logical Sur.er.,Tianjin,3.0211, p. r. C.Sheng Jing, department of Mater.al science and engineering, Tianjin {3., Tianjin, 3.0072, p. r. C.

A ser.es of unchar.ed, anionic, cationic, and hep.r.nized p.lyether.r.thanes(p.Us) was synthesized. The soft segments of these p.Us wer. r.sp.ctively obtained by p.lyte-tr.methylene oxide of molecular.weight 1000 (p.MO-1000), p.lythylene glycol of molecular.eight 1000 (p.G-1000), p.G-4000, and the mixtur. of p.G-4000 with p.MO-1000 or.0}G-1000. The har. segments consisted of 4,4’ -methylene dip.enylene diisocyanate (MDI)which was extended with ethylenediamie (ED), 1,4Mbutanediol (BD), N-methyldiethanolamine(MDEA), or.L-Sodium α,ε-diaminocap.oate (SDAC), r.sp.ctively. The chemical str.ctur. of differ.nt p.Us was confir.ed by nuclear.magnetic r.sonance. Water.bsor.0}ions wer. measur.d. The r.sults showed that the ionic, hep.r.nized p.Us, and the p.Uscontained p.G-4000 as soft segments have higher.water.absor.0}ions than or.inar. p.Us. Thep.Us based mainly on p.G-4000 as soft segments ar. a kind of high hydr.scop.c p.lymer.mate-r.als, and their.hydr.scop.city incr.ases with p.G-4000 in soft segment.

关键词： p.lyether.r.thane hydr.scop.city ionization block p.lymer.

Stability of Event-Tr.gger.d Outp.t-Feedback Contr.l Systems

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Stability of Event-Triggered Output-Feedback Control Systems

第三十届中国控制会议

作者： CHEN Xia,HAO Fei The Seventh r.sear.h Division,School of Automation science and Electr.cal engineering,Beihang university,science and technology on Air.r.ft Contr.l Labor.tor.,Beihang university,Beijing,100191,p.r.china.

＜正＞This p.p.r.focus on the design of the event-tr.gger.d contr.l when the full state can not be ***,an event-tr.gger.d contr.l system with a static outp.t-feedback contr.ller.is *** event condition based on the outp.t er.or.is *** asymp.otic stability of the r.sulting closed-loop.system is guar.nteed by a condition in ter.s of an LMI （Linear.Matr.x Inequality）.By solving this LMI,we can design the event condition to obtain longer.task ***, a cor.esp.nding self-tr.gger.d contr.l is ***,a state-feedback contr.l system based on an event-tr.gger.d obser.er.is r.sear.hed,wher. the outp.t of the p.ant is only tr.nsmitted to the obser.er.when the event condition is violated. Conditions in ter.s of LMIs ar. der.ved to ensur. the feedback contr.l system as well as the obser.er.er.or.system asymp.otic ***,numer.cal examp.es ar. wor.ed out to illustr.te the theor.tical r.sults.

关键词： Event-Tr.gger.d Contr.l Self-Tr.gger.d Contr.l Outp.t-Feedback Obser.er

Quantum Switching Limited by Near.st-Neighbor.ng Coup.ing

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Quantum Switching Limited by Nearest-Neighboring Coupling

第二十九届中国控制会议

作者： JIANG Min1,ZHOU Yiming2,WAN Min3.1 School of Electr.nics&Infor.ation engineering,Soochow university,Suzhou 215021,p.r.china2 china academy of sp.ce technology,Beijing 100094,p.r.china3.department of engineering,Zhenjiang water.r.ft college,Zhenjiang 212003.p.r.china

In this p.p.r.we p.op.se a quantum switching ar.hitectur. under.the near.st coup.ing *** or.er.to r.duce imp.ementation time step.,an efficient quantum shear.sor.ing（QSS）algor.thm is *** use of QSS algor.thm,the r.nning comp.exity of the imp.oved quantum switching ar.hitectur. is p.lynomial time even under.near.st coup.ing inter.ction and the imp.ementation comp.exity is *** imp.oved switching is extr.mely simp.e to imp.ement by existing quantum comp.ter.candidates.

关键词： Quantum Switching Near.st-neighbor.ng Coup.ing Quantum Sor.ing Cir.uit

Unknown Inp.t Obser.er.Based Fault Class Isolation and Estimation

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Unknown Input Observer Based Fault Class Isolation and Estim...

第二十九届中国控制会议

作者： WANG Zhi Comp.ter.science and engineering College,Xi''an Technological university,Xi''an 71003.,p.r.{3.

The advance of obser.er.based fault diagnosis is outlined and the idea of fault class isolation（FCI）is intr.duced and *** to the r.quir.ments of some missile actuator.test,a new scheme to imp.ement FCI and fault estimation between motor.and sensor.is p.op.sed based on unknown inp.t obser.er.UIO）,whose p.ocedur. comp.etes in thr.e ***,the op.n loop.model fr.m motor.to sensor.is constr.cted and its p.r.meter. ar. estimated via least squar.s ***,the design p.ocedur. of the UIO is deduced and elabor.ted,and two p.incip.es for.FCI and fault estimation between motor.and sensor.ar. ***,wavelet filter.d is intr.duced and studied so as to de-noise the estimated *** demonstr.ted that the scheme could effectivelyisolate constant fault（s）as well as sudden fault（s）between motor.and sensor.while the fault（s）could be estimated *** study indicates that the p.esented scheme is feasible and ap.r.p.iate for.actuator.fault diagnosis.

关键词： Actuator Unknown Inp.t Obser.er Fault Diagnosis Fault Class Isolation Fault Estimation Wavelet De-noising

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三维地理信息系统的设计

计算机工程与应用 2003年第35期39卷 110-111,208页

作者：童恒建吴信才高睿中国地质大学计算机科学与技术系武汉430074 武汉中地信息工程有限公司武汉430074

三维地理信息系统可用于数字城市、环境、地质、石油和海洋等领域。该文详细地介绍了三维地理信息的设计原则、体系结构、数据模型和数据组织,简要地介绍了空间索引和可视化技术。

关键词：三维地理信息系统(3. GIS) 空间数据模型空间数据组织

Effects of anti-symmetr.c nonlinear.viscous damp.ng on the for.e tr.nsmissibility of multi-degr.e of fr.edom str.ctur.s

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Theor.tical & Ap.lied Mechanics Letter. 2011年第6期1卷 63-68页

作者： Zhike p.ng,1, ) and Zhiqiang Lang2 1)State Key Labor.tor. of Mechanical System and Vibr.tion, Shanghai Jiao Tong university, Shanghai 200240, china 2)department of Automatic Contr.l and Systems {3., university of Sheffeld Map.in Str.et, Sheffeld, S1 3.D, UK State Key Labor.tor. of Mechanical System and Vibr.tion Shanghai Jiao Tong University Shanghai 200240 China department of Automatic Contr.l and Systems engineering University of Sheffield Mappin Street Sheffield S1 3JD United Kingdom

In the p.esent study, the concep. of the outp.t fr.quency r.sp.nse function is ap.lied to theor.tically investigate the for.e tr.nsmissibility of multi-degr.e of fr.edom (MDOF) str.ctur.s with a nonlinear.anti-symmetr.c viscous damp.ng. The r.sults r.veal that an anti-symmetr.c nonlinear.viscous damp.ng can significantly r.duce the tr.nsmissibility over.all r.sonance r.gions for.MDOF str.ctur.s while it has almost no effect on the tr.nsmissibility over.non-r.sonant and isolation r.gions. The r.sults indicate that the vibr.tion isolator. with an anti-symmetr.c damp.ng char.cter.stic have gr.at p.tential to over.ome the dilemma in the design of linear.viscously damp.d vibr.tion isolator. wher. an incr.ase of the damp.ng level r.duces the for.e tr.nsmissibility over.r.sonant r.gion but incr.ases the tr.nsmissibility over.non-r.sonant r.gions.

关键词： nonlinear.damp.ng for.e tr.nsmissibility vibr.tion isolation volter.a ser.es

EXp.r.MENTAL INVESTIGATION ON THE Fr.CTAL BEHAVIOr.OF THE WEAr.p.r.ICLE ACCUMULATION

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EXPERIMENTAL INVESTIGATION ON THE FRACTAL BEHAVIOR OF THE WE...

第三届摩擦疲劳学国际会议

作者： S.r.GE H.ZHU G A. CHEN department of Mechanical engineering china {3. of Mining and technology Xuzhou Jiangsu 221008 p. r. china

＜正＞To find a mor. accur.te method char.cter.zing the wear.p.r.icles, the fr.ctal geometr. is ap.lied in this p.p.r.descr.bing the wear.p.r.icle accumulation. The wear.exp.r.ments ar. car.ied out on a p.n-on-disc test r.g under.dr. fr.ction condition for.cop.er.alloy p.n and steel disk. The r.sults demonstr.te that the logar.thm of wear.p.r.icle accumulation shows good linear.ty to the logar.thm of measur.ng p.r.icle size. The r.lation between the accumulation of wear.p.r.icles to the p.r.icle size p.esents a str.ng bi-fr.ctal behavior. In addition, it is discover.d that the fr.ctal dimension of the wear.p.r.icle accumulation changes to the differ.nt wear.stages. The changes of the tr.nsition p.int of the bi-fr.ctals ar. in cor.esp.ndence to the wear.state var.ation.

关键词： Wear.p.r.icle Fr.ctal char.cter.zation p.r.icle accumulation

An Adap.ive Contr.l-based Feedback Load-shedding Str.tegy

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An Adaptive Control-based Feedback Load-shedding Strategy

2007年国际电子商务、工程及科学领域的分布式计算和应用学术研讨会

作者： Lin Ouyang1, Qingp.ng Guo1, Qin Zhou2, Qiumei p.1 1School of Comp.ter.science and technology, wuhan {3. of technology wuhan, Hubei 43.063.china 2department of Electr.cal engineering, Shanghai Dian Ji {3. Shanghai 200240 china

Ther. is a lar.e class of ap.lications that p.oduce high-fr.quency data continuously in 7 days p.r.week and 24 hour. p.r.day. The tr.ditional data p.ocessing system can’t deal with them efficiently because of the active data p.shing and the p.ssive quer.es. With the p.r.0}se of dealing with these data, data str.am management systems (DSMS) ap.ear.d. For.the geogr.p.ical distr.bution of data str.ams, distr.buted data str.am p.ocessing systems ar. studied r.cently. As an imp.r.ant asp.ct of distr.buted data str.am management system (DDSMS), load management can balance system load incur.ed by unp.edictable incoming data str.am and inap.r.p.iate quer. op.r.tor.’ distr.bution. Load-shedding acts as an imp.r.ant r.le in load management of distr.buted data str.am system. In this p.p.r. a contr.l-based feedback load-shedding str.tegy is p.op.sed to degr.de system load. Comp.r.d with p.evious wor. which concentr.tes on one metr.c factor.only, it takes four.metr.c factor., such as Cp. usage r.tio, memor. utilization, aver.ge length of waiting data queue and data tup.e delay, into account to incr.ase system stability and to decr.ase the loss of quer. accur.cy.

关键词： Load-shedding Contr.l Theor. Feedback Contr.l DDSMS

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ZnSe太阳电池

太阳能学报 2004年第6期25卷 804-806页

作者：王爱坤周国香李国昌河北工业大学天津300130 河北科技大学应用物理系石家庄050018

通过掺少量Te提高ZnSe受主杂质浓度,从而制成ZnSe p.n结太阳电池.单结ZnSe光电池在AM1条件下光谱响应半宽度范围3.5～450nm,波长为400nm时量子效率最大.ZnSe是一种好的叠层多结光电池的顶层材料,可以提供较高的开路电压,并且是底层电池... 详细信息

通过掺少量Te提高ZnSe受主杂质浓度,从而制成ZnSe p.n结太阳电池.单结ZnSe光电池在AM1条件下光谱响应半宽度范围3.5～450nm,波长为400nm时量子效率最大.ZnSe是一种好的叠层多结光电池的顶层材料,可以提供较高的开路电压,并且是底层电池的窗口;在单结ZnSe光电池的基区指数掺杂,95%的区域内能产生大于104V/cm的附加电场,在400～475nm波长范围内,该电场可以使其外量子效率增加1～1.5倍.

关键词： ZnS光电池梯度掺杂电场分布光谱响应