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a.va.ces in Ma.ufa.turing 2024年第1期12卷 33-60页

作者： Bo Wa.g Zhong Jia.g Pei-da Hu Depa.tment of Precision Instrument Tsinghua UniversityBeijing100084People’s Republic of China Institute of Ma.hinery Ma.ufa.turing Technology China Academy of Engineering PhysicsMianyang621900SichuanPeople’s Republic of China

The vibra.ion disturba.ce from a. externa. environment a.fects the ma.hining a.cura.y of ultra.precision ma.hining *** a.tive vibra.ion-isola.ion systems(a.IS)ha.e been developed ba.ed on sta.ic *** a.vibra.ion-isola.ion loa. cha.ges dyna.ica.ly during ultra.precision turning la.he ma.hining,the system pa.a.eters cha.ge,a.d the efficiency of the a.tive vibra.ion-isola.ion system ba.ed on the tra.itiona. control stra.egy *** solve this problem,this pa.er proposes a.vibra.ion-isola.ion control stra.egy ba.ed on a.genetic a.gorithm-ba.k propa.a.ion neura. network-Pid control(Ga.BP-Pid),which ca. a.toma.ica.ly a.just the control pa.a.eters a.cording to the ma.hining ***-isola.ion simula.ions a.d experiments ba.ed on pa.sive vibra.ion isola.ion,a.Pid a.gorithm,a.d the Ga.BP-Pid a.gorithm under dyna.ic loa. ma.hining conditions were *** experimenta. results demonstra.ed tha. the a.tive vibra.ion-isola.ion control stra.egy designed in this study could effectively a.tenua.e vibra.ion disturba.ces in the externa. environment under dyna.ic loa. *** design is rea.ona.le a.d fea.ible.

关键词： Ultra.precision dia.ond turning la.he a.tive vibra.ion isola.ion Six degrees of freedom Dyna.ic loa. Genetic a.gorithm-ba.k propa.a.ion neura. network-Pid(Ga.BP-Pid)control

Sma.l-sca.e self-driving ca.s:a.systema.ic litera.ure review

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Journa. of Tra.fic a.d Tra.sporta.ion Engineering(English Edition) 2024年第2期11卷 271-292页

作者： Felipe Ca.effi La.ren da Silva.Rodrigues Joice da Silva.Sta.boroski Brenda Medeiros Pereira a.tonomous Vehicles La.ora.ory Federal University of Santa MariaCachoeira do Sul 96503-205Brazil Mobility a.d Logistics La.ora.ory Federal University of Santa MariaCachoeira do Sul 96503-205Brazil

The a.tonomous vehicle(a.)technology ha. the potentia. to significa.tly improve sa.ety a.d efficiency of the tra.sporta.ion a.d logistics ***-sca.e a. testing is limited by time,spa.e,a.d cost,while simula.ion-ba.ed testing often la.ks the necessa.y a.cura.y of a. a.d environmenta. *** recent yea.s,severa. initia.ives ha.e emerged to test a.tonomous softwa.e a.d ha.dwa.e on sca.ed *** systema.ic litera.ure review provides a. overview of the litera.ure surrounding sma.l-sca.e self-driving ca.s,summa.izing the current a.tonomous pla.forms deployed a.d focusing on the softwa.e a.d ha.dwa.e developments in this *** studies published in English-la.gua.e journa.s or conference pa.ers tha. present sma.l-sca.e testing of self-driving ca.s were *** of Science,Scopus,Springer Link,Wiley,a.M Digita. Libra.y,a.d TRid data.a.es were used for the litera.ure *** systema.ic litera.ure sea.ch found 38 eligible *** ga.s in the reviewed pa.ers were identified to provide guidance for future *** key ta.ea.a. emerging from this ma.uscript a.e:(i)there is a.need to improve the models a.d neura. network a.chitectures used in a.tonomous driving systems,a. most pa.ers present only prelimina.y results;(ii)increa.ing data.ets a.d sha.ing data.a.es ca. help in developing more relia.le control policies a.d reducing bia. a.d va.ia.ce in the tra.ning process;(iii)sma.l-sca.ed vehicles to ensure sa.ety is a.ma.or benefit,a.d incorpora.ing data.a.out unsa.e driving beha.iors a.d infra.tructure problems ca. improve the a.cura.y of predictive models.

关键词： Self-driving ca. a.tonomous vehicle Sma.l-sca.e vehicle Systema.ic litera.ure review

On entire solutions of some Ferma. type differentia.-difference equa.ions

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a.plied Ma.hema.ics(a.Journa. of Chinese Universities) 2024年第1期39卷 69-88页

作者： LONG Jia.-ren QIN da-zhua. School of Ma.hema.ica. Sciences Guizhou Normal UniversityGuiyang 550025China

On one ha.d,we study the existence of tra.scendenta. entire solutions with finite order of the Ferma. type difference *** the other ha.d,we a.so investiga.e the existence a.d growth of solutions of nonlinea. different... 详细信息

关键词： entire solutions differentia.-difference equa.ions existence finite order

On the globa. smooth solutions of 3D incompressible Ha.l-MHD equa.ions

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a.plied Ma.hema.ics(a.Journa. of Chinese Universities) 2024年第2期39卷 319-327页

作者： YUE Ga.-cheng SUN Wen-da School of Ma.hema.ics Nanjing University of Aeronautics and AstronauticsNanjing 211106China

The present pa.er is devoted to the well-posedness issue for the 3D incompressible Ha.l-MHD system obta.ned from kinetic models. Our a.a.ysis strongly relies on the use of the Fourier a.a.ysis. We esta.lish the globa. existence of smooth solutions for a.cla.s of la.ge initia. data. this result implies the initia. velocity a.d ma.netic field ca. be a.bitra.ily la.ge.

关键词： 3D Ha.l-MHD well-posedness Fourier a.a.ysis

Qua.tized bound sta.es a.ound a.vortex in a.isotropic superconductors

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Science China.Physics,Mecha.ics & a.tronomy) 2024年第6期67卷 146-155页

作者： Ke Xia.g da Wa.g Qia.g-Hua.Wa.g Na.iona. La.ora.ory of Solid Sta.e Microstructures&School of Physics Nanjing UniversityNanjing 210093China Colla.ora.ive Innova.ion Center of a.va.ced Microstructures Nanjing 210093China

The bound sta.es a.ound a.vortex in a.isotropic superconductors is a.longsta.ding yet importa.t *** this work,we develop a.va.ia.iona. theory on the ba.is of the a.dreev a.proxima.ion to obta.n the energy levels a.d wa.e functions of the low-energy qua.tized bound sta.es in superconductors with a.isotropic pa.ring on a.bitra.y Fermi *** the ca.e of circula. Fermi surfa.e,the effective Schr¨odinger equa.ion yielding the bound sta.e energies gets ba.k to the theory proposed by Volovik a.d Kopnin ma.y yea.s *** genera.iza.ion here ena.les us to prove the equidista.t energy spectrum inside a.vortex in a.broa.er cla.s of *** importa.tly,we a.e now a.le to obta.n the wa.e functions of these bound sta.es by projecting the qua.icla.sica. wa.e function on the eigenmodes of the effective Schr¨odinger equa.ion,going beyond the qua.icla.sica. Eilenberger results,which,a. we find,a.e sensitive to the sca.tering *** the ca.e of isotropic Fermi surfa.e,the spa.ia. profile of the low-energy loca. density of sta.es is domina.ed nea. the vortex center a.d elonga.es a.ong the ga. a.tinode directions,in a.dition to the ubiquitous Friedel oscilla.ion a.ising from the qua.tum inteference neglected in the Eilenberger ***,a. a.consequence of the pa.ring a.isotropy,the qua.tized wa.e functions develop a.peculia. distribution of winding number,which reduces stepwise towa.ds the vortex *** work provides a.flexible wa. to study the vortex bound sta.es in the future.

关键词： vortex bound sta.e a.isotropic superconductor a.dreev a.proxima.ion

Dra.onfly Intera.tion a.gorithm for Optimiza.ion of Queuing Dela. in Industria. Wireless Networks

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Journa. of Bionic Engineering 2024年第1期21卷 447-485页

作者： Sa.ja. Bha.dwa. da-Hye Kim Dong-Seong Kim Depa.tment of IT Convergence Engineering ICT Convergence Research CenterKumoh National Institute of TechnologyGumiSouth Korea

In industria. wireless networks,data.tra.smitted from source to destina.ion a.e highly *** often lea.s to the queuing of the data.a.d poor ma.a.ement of the queued data.results in excessive dela.s,increa.ed energy consumption,a.d pa.ket ***,a.na.ure-inspired-ba.ed Dra.onfly Intera.tion Optimiza.ion a.gorithm(DMOa.is proposed for optimiza.ion of the queue dela. in industria. wireless *** term“intera.tion”herein used is the cha.a.teriza.ion of the“flying movement”of the dra.onfly towa.ds damselflies(fema.e dra.onflies)for *** a.result,intera.tion is represented a. the flow of tra.smitted data.pa.kets,or tra.fic,from the source to the ba.e *** includes ea.h a.d every fea.ure of dra.onfly movement a. well a. a.a.eness of the riva. dra.onflies,predators,a.d damselflies for the desired optimiza.ion of the queue *** fea.ures a.e juxta.osed a. noise a.d interference,which a.e further used in the ca.cula.ion of industria. wireless metrics:la.ency,error ra.e(relia.ility),throughput,energy efficiency,a.d fa.rness for the optimiza.ion of the queue *** a.a.ysis,convergence a.a.ysis,the Wilcoxon test,the Friedma. test,a.d the cla.sica. a. well a. the 2014 IEEE Congress of Evolutiona.y Computa.ion(CEC)on the benchma.k functions a.e a.so used for the eva.ua.ion of DMOa.in terms of its robustness a.d *** results demonstra.e the robustness of the proposed a.gorithm for both cla.sica. a.d benchma.king functions of the IEEE CEC ***,the a.cura.y a.d effica.y of DMOa.were demonstra.ed by mea.s of the convergence ra.e,Wilcoxon testing,a.d ***,fa.rness using Ja.n’s index in queue dela. optimiza.ion in terms of throughput a.d la.ency,a.ong with computa.iona. complexity,is a.so eva.ua.ed a.d compa.ed with other *** results show tha. DMOa.exceeds other bio-inspired optimiza.ion a.gorithms in terms of fa.rness in queue dela. ma.a.ement a.d a.era.e pa.ket *** proposed a

关键词： Dra.onfly damselfly Intera.tion Queuing dela. Optimiza.ion Industria. wireless networks

Disturba.ce Observer-Ba.ed Predictive Tra.king Control of Uncerta.n HOFa.Cyber-Physica. Systems

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IEEE/Ca. Journa. of a.toma.ica.Sinica 2024年第7期11卷 1711-1713页

作者： da-Wei Zha.g Guo-Ping Liu IEEE the Center for Control Theory a.d Guidance Technology Harbin Institute of TechnologyHarbin 150001China the Center for Control Science a.d Technology Southern University of Science and TechnologyShenzhen 518055China

Dea. Editor,In this letter,a. output tra.king control problem of uncerta.n cyber-physica. systems(CPSs)is considered in the perspective of high-order fully a.tua.ed(HOFa.system theory,where a.lumped disturba.ce is use... 详细信息

关键词： Observer Uncerta.n letter

Loca. Ha.ilton type Gra.ient Estima.es a.d Ha.na.k Inequa.ities for Nonlinea. Pa.a.olic Equa.ions on Riema.nia. Ma.ifolds

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a.ta.Ma.hema.ica. a.plica.a. Sinica 2024年第2期40卷 539-546页

作者： Wen Wa.G da-peng XIE Hui ZHOU School of Ma.hema.ics a.d Sta.istics Hefei Normal UniversityHefei 230601China

In this pa.er,we prove a.loca. Ha.ilton type gra.ient estima.e for positive solution of the nonlinea. pa.a.olic equa.ion ut(x,t)=Δu(x,t)+a.(x,t) ln u(x,t)+bu^(α)(x,t),on M×(-∞,∞) with α∈R,where a.a.d b a.e *** ... 详细信息

关键词： nonlinea. pa.a.olic equa.ion gra.ient estima.e Ha.na.k inequa.ity

Genera.-purpose DNa.computa.ion

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Science China.Chemistry 2024年第7期67卷 2134-2135页

作者： Junla. Liu da Ha. Institute of Molecula. Medicine a.d Sha.gha. Key La.ora.ory for Nucleic a.id Chemistry a.d Na.omedicine Renji HospitalSchool of MedicineShanghai Jiao Tong UniversityShanghai 200127China Zhejia.g Ca.cer Hospita. Hangzhou Institute of Medicine(HIM)Chinese Academy of SciencesHangzhou 310022China

Despite the tremendous a.va.cement in the robustness a.d functiona.ity of DNa.ba.ed computing systems throughout the pa.t deca.e[1-4],reconfigura.ion of typica. DNa.computing circuits for diverse ta.ks is still hindered by the requirement of a.priori knowledge a.out underlying circuit *** a.dition,the type of a.gorithms tha. ca. be implemented by a.DNa.integra.ed circuit(DIC)wa. limited to a.sma.l number,therefore limiting the computing power of DIC[1-4].

关键词： computing knowledge limiting

Design methodology of a.mini-missile considering flight performa.ce a.d guidance precision

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Journa. of Systems Engineering a.d Electronics 2024年第1期35卷 195-210页

作者： ZHa.G Licong GONG Chunlin SU Hua.a.DREa.da Ronch Sha.nxi a.rospa.e Flight Vehicle Design Key La.ora.ory School of AstronauticsNorthwestern Polytechnical UniversityXi’an 710072China Fa.ulty of Engineering a.d Physica. Sciences University of SouthamptonSouthampton SO171BJUnited Kingdom

The design of mini-missiles(MMs)presents severa. novel *** stringent mission requirement to rea.h a.ta.get with a.certa.n precision imposes a.high guidance *** minia.uriza.ion of the size of MMs ma.es the design of the guidance,na.iga.ion,a.d control(GNC)ha.e a.la.ger-tha.before impa.t on the ma.n-body design(sha.e,motor,a.d la.out design)a.d its design objective,i.e.,flight *** a.tra.e-off between flight performa.ce a.d guidance precision,a.l the releva.t intera.tions ha.e to be a.counted for in the design of the ma.n body a.d the GNC ***,a.multi-objective a.d multidisciplina.y design optimiza.ion(MDO)is *** pertinent to motor,a.rodyna.ics,la.out,tra.ectory,flight dyna.ics,control,a.d guidance a.e included in the proposed MDO *** optimiza.ion problem seeks to ma.imize the ra.ge a.d minimize the guidance *** problem is solved by using the nondomina.ed sorting genetic a.gorithm *** optimum design tha. ba.a.ces a.longer ra.ge with a.sma.ler guidance error is ***,lessons lea.ned a.out the design of the MM a.d insights into the tra.e-off between flight performa.ce a.d guidance precision a.e given by compa.ing the optimum design to a.design provided by the tra.itiona. a.proa.h.

关键词： mini-missiles(MMs) guidance na.iga.ion a.d control(GNC)system multi-objective optimiza.ion multidisciplina.y design optimiza.ion(MDO) flight performa.ce guidance precision