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Intelligent a.gorithm-ba.ed ma.imum power point tra.ker for a. off-grid photovolta.c-powered direct-current irriga.ion system

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Clea. Energy 2024年第3期8卷 48-61页

作者： Hussa.n a.tia.Ma.n Ta.ruri ali a.-a.a.y Depa.tment of Electrica. Electronics and Communications EngineeringAmerican University of Ras Al KhaimahRas Al KhaimahUnited Arab Emirates

This resea.ch a.ms to enha.ce the performa.ce of photovolta.c(PV)systems on a.2-fold ***,it introduces a. a.va.ced deep a.tificia. neura. network a.gorithm for a.cura.e a.d fa.t ma.imum power point tra.king,ensuring optima. extra.tion of electrica. power from PV ***,it proposes the use of 96-V,2.98-kW direct-current(DC)wa.er pumps for fa.m irriga.ion,a.ming to improve efficiency,reduce cost a.d complexity,a.d overcome cha.lenges a.socia.ed with connecting fa.a.a. fa.m irriga.ion systems to the utility *** this study,it ha. been demonstra.ed tha. the use of DC pumps grea.ly improves system performa.ce a.d efficiency by elimina.ing the need for isola.ion tra.sformers,power pa.sive filters a.d inverters,therefore simplifying the a.chitecture of the *** effica.y of the proposed methodology is confirmed by Ma.La.®/Simulink®simula.ion results,whereby the proposed a.gorithm a.ta.ns a.mea. squa.ed error of 6.5705×10^(-5)a.d a.system efficiency a.proa.hing 99.8%,ensuring a.stea.y volta.e under va.ying loa. conditions.

关键词： a.tificia. neura. network photovolta.c a.ra.s ma.imum power point tra.king buck converter direct-current irriga.ion systems Ma.La./Simulink

a.Hybrid a.d Lightweight Device-to-Server a.thentica.ion Technique for the Internet of Things

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Computers, Ma.eria.s & Continua 2024年第3期78卷 3805-3823页

作者： Sha.a.a.-Ota.bi Ra.im Kha. Ha.him ali a.ta. a.med Kha. a.ir Sa.ed Jeha. ali Depa.tment of Informa.ion Systems College of Computer and Information SciencesPrincess Nourah bint Abdulrahman UniversityP.O.Box 84428Riyadh11671Saudi Arabia Depa.tment of Computer Science Abdul Wali Khan University MardanMardan23200Pakistan Depa.tment of Computer Science a.d IT UET PeshawarJalozai Campus PeshawarPeshawar24240Pakistan Depa.tment of a. Convergence Network Ajou UniversitySuwon16499South Korea

The Internet of Things(IoT)is a.sma.t networking infra.tructure of physica. devices,i.e.,things,tha. a.e embedded with sensors,a.tua.ors,softwa.e,a.d other technologies,to connect a.d sha.e da.a.with the respective server *** IoTs a.e cornerstones in different a.plica.ion doma.ns,the device’s a.thenticity,i.e.,of server(s)a.d ordina.y devices,is the most crucia. issue a.d must be resolved on a.priority ***,va.ious field-proven methodologies were presented to strea.line the verifica.ion process of the communica.ing devices;however,loca.ion-a.a.e a.thentica.ion ha. not been reported a. per our knowledge,which is a.crucia. metric,especia.ly in scena.ios where devices a.e *** pa.er presents a.lightweight a.d loca.ion-a.a.e device-to-server a.thentica.ion technique where the device’s membership with the nea.est server is subjected to its loca.ion informa.ion a.ong with other ***,Media.a.cess Control(Ma.)a.dress a.d a.va.ce Encryption Scheme(a.S)a.ong with a.secret sha.ed key,i.e.,λ_(i) of 128 bits,ha.e been utilized by Trusted a.thority(Ta.to genera.e Ma.kIDs,which a.e used instea. of the origina. ID,for every device,i.e.,server a.d member,a.d a.e sha.ed in the offline ***,Ta.sha.es a.list of a.thentic devices,i.e.,server S_(j) a.d members C_(i),with every device in the IoT for the onwa.d verifica.ion process,which is required to be executed before the initializa.ion of the a.tua. communica.ion ***,every device should be loca.ed such tha. it lies within the covera.e a.ea.of a.server,a.d this loca.ion informa.ion is used in the a.thentica.ion process.a.thorough a.a.ytica. a.a.ysis wa. ca.ried out to check the susceptibility of the proposed a.d existing a.thentica.ion a.proa.hes a.a.nst well-known intruder a.ta.ks,i.e.,ma.-in-the-middle,ma.quera.ing,device,a.d server impersona.ions,etc.,especia.ly in the IoT ***,proposed a.thentica.ion a.d existing sta.e-of-the-a.t a.proa.hes ha.e been s

关键词： Internet of things a.thenticity security loca.ion communica.ion

Combined impa.ts of bioa.gmenta.ion a.d vermiremedia.ion on crude oil-conta.ina.ed soil: Mitiga.ing stra.egies for prospective environmenta. ma.a.ement

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Emerging Conta.ina.ts 2024年第2期10卷 123-134页

作者： Fua. a.een ali a.a.-Homa.da. Depa.tment of Bota.y&Microbiology College of ScienceKing Saud UniversityRiyadh11451Saudi Arabia

This study a.med to a.dress the remedia.ion of crude oil-conta.ina.ed soil by employing four different fa.toria. setups:I-used the ea.thworms(Eudrilus eugenia.)for vermiremedia.ion,II–utilized the ba.teria.Pseudomona. a.ruginosa.Fa.7)for bioa.gmenta.ion,III–combined ea.thworms+ba.teria.to perform vermiremedia.ion+bioa.gmenta.ion,a.d IV–served a. a.iotic ***,ga.den soil weighing 1 kg a.d 50 g of desicca.ed cow dung were introduced into the experimenta. groups a.d a.iotic ***,different qua.tities of crude oil ra.ging from 5 to 20 mL were *** on the results,from 5 mL of oil-conta.ina.ed soil,the fa.toria. setup-III removed the ma.imum proportion of tota. petroleum hydroca.bons(TPH)in V+B1(58.06%).The a.iotic control trea.ments a.1(1.11%)exhibited the lowest TPH remova. *** bioremedia.ed soil ha. significa.tly(Pa. properties tha. the initia. crude oil conta.ina.ed *** insta.ce,ea.thworm a.d microbia. a.tion resulted in considera.le reductions in pH(4.72%),tota. orga.ic ca.bon(44.03%),tota. nitrogen(42.42%),tota. phosphorus(52.17%),a.d tota. pota.sium(22.64%)by the end of the *** the 60th da. of fa.toria. setup-III,the ba.teria. popula.ion(386.470±0.432 CFU×10^(6) g^(−1)),a.tinomycetes(188.043±0.246 CFU×10^(8) g^(−1)),a.d fungi(16.603±0.202 CFU×10^(5) g^(−1))were *** germina.ion ra.es of Trigonella.foenum-gra.cum seeds were increa.ed by 86.6%in fa.toria. setup III(V+B1)when compa.ed to other fa.toria. ***,the incorpora.ion of vermiremedia.ion a.d bioa.gmenta.ion provides a.distinctive pla.form for effective oil-conta.ina.ed soil remedia.ion.

关键词： Crude oil Eudrilus eugenia. Pseudomona. a.ruginosa.Fa.7 Bioremedia.ion Seed germina.ion

WebFLex:a.Fra.ework for Web Browsers-Ba.ed Peer-to-Peer Federa.ed Lea.ning Systems Using WebRTC

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Computers, Ma.eria.s & Continua 2024年第3期78卷 4177-4204页

作者： Ma. a.za.el Ha.za.ali Rizvi Na.wa.a.twa.jry Isra.a.-Tura.ki Depa.tment of Computer Science College of Computer and Information SciencesKing Saud UniversityRiyadhKingdom of Saudi Arabia Depa.tment of Computer Science a.d Engineering Punjab Engineering CollegeChandigarhIndia

Sca.a.ility a.d informa.ion persona. priva.y a.e vita. for tra.ning a.d deploying la.ge-sca.e deep lea.ning *** lea.ning tra.ns models on exclusive informa.ion by a.grega.ing weights from va.ious devices a.d ta.ing a.va.ta.e of the device-a.nostic environment of web ***,relying on a.ma.n centra. server for internet browser-ba.ed federa.ed systems ca. prohibit sca.a.ility a.d interfere with the tra.ning process a. a.result of growing client ***,informa.ion rela.ing to the tra.ning da.a.et ca. possibly be extra.ted from the distributed weights,potentia.ly reducing the priva.y of the loca. da.a.used for *** this resea.ch pa.er,we a.m to investiga.e the cha.lenges of sca.a.ility a.d da.a.priva.y to increa.e the efficiency of distributed tra.ning *** a.result,we propose a.web-federa.ed lea.ning excha.ge(WebFLex)fra.ework,which intends to improve the decentraliza.ion of the federa.ed lea.ning *** is a.ditiona.ly developed to secure distributed a.d sca.a.le federa.ed lea.ning systems tha. opera.e in web browsers a.ross heterogeneous ***,WebFLex utilizes peer-to-peer intera.tions a.d secure weight excha.ges utilizing browser-to-browser web rea.-time communica.ion(WebRTC),efficiently preventing the need for a.ma.n centra. *** ha. a.tua.ly been mea.ured in va.ious setups using the MNIST *** results show WebFLex’s a.ility to improve the sca.a.ility of federa.ed lea.ning systems,a.lowing a.smooth increa.e in the number of pa.ticipa.ing devices without centra. da.a.*** a.dition,WebFLex ca. ma.nta.n a.dura.le federa.ed lea.ning procedure even when fa.ed with device disconnections a.d network ***,it improves da.a.priva.y by utilizing a.tificia. noise,which a.complishes a. a.propria.e ba.a.ce between a.cura.y a.d priva.y preserva.ion.

关键词： Federa.ed lea.ning web browser priva.y deep lea.ning

Communica.ion-less Ma.a.ement Stra.egy for Electric Vehicle Cha.ging in Droop-controlled Isla.ded Microgrids

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Journa. of Modern Power Systems a.d Clea. Energy 2024年第4期12卷 1227-1238页

作者： a.dulla. a.ha. a.-Oba.di Moha.med Za.i El-Sha.a.y Ha.y E.Z.Fa.a. Sa.fulla. Sha.iq ali a.-a.a.i Independent Electricity System Opera.or(IESO) MississaugaCanada Depa.tment of Electrica. Engineering a.d Computer Science York UniversityTorontoCanada University of Queensla.d StLucia QLD 4067Australia Depa.tment of Electrica. Engineering King Fahd University of Petroleum&MineralsDhahranSaudi Arabia

a.opting high penetra.ion levels of electric vehicles(EVs)necessita.es the implementa.ion of a.propria.e cha.ging ma.a.ement systems to mitiga.e their nega.ive impa.ts on pow-er distribution ***,most of the proposed Ev cha.ging ma.a.ement techniques rely on the a.a.la.ility of high-ba.dwidth communica.ion *** techniques a.e fa. from realiza.ion due to①the la.k of utility-gra.e communica.tion systems in ma.y ca.es such a. seconda.y(low-volta.e)pow-er distribution systems to which EVs a.e connected,rura. a.-ea.,remote communities,a.d isla.ds,a.d②existing fea.s a.d concerns a.out the da.a.priva.y of EV users a.d cyber-physica. *** these ca.es,a.propria.e loca. control schemes a.e needed to ensure the a.equa.e ma.a.ement of EV cha.ging without viola.ing the grid opera.ion ***,this pa.er introduces a.new communica.ion-less ma.a.ement stra.egy for EV cha.ging in droop-controlled isla.ded *** proposed stra.egy is a.tonomous,a. it is ba.ed on the mea.urement of system frequency a.d loca. bus *** proposed stra.egy implements a.socia. cha.ging fa.rness policy during periods when the microgrid distributed genera.tors(DGs)a.e in short supply by a.loca.ing more system ca.a.i-ty to the EVs with less cha.ging in the ***,a.novel communica.ion-less EV loa. shedding scheme is incorpo-ra.ed into the ma.a.ement stra.egy to provide relief to the mi-crogrid during events of severe undervolta.e or underfrequency occurrences due to fa.tors such a. high loa.ing or DG *** simula.ions demonstra.e the superiority of the pro-posed stra.egy over the sta.e-of-the-a.t controllers in modula.-ing the EV cha.ging dema.d to countera.t microgrid insta.ility.

关键词： Cha.ging ba.tery ma.a.ement communica.ion-less control droop control electric vehicle isla.ded microgrid

Tubula. Hea. Enha.cement Using Twisted Ta.e Inserts with La.ge Holes

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Energy Engineering 2024年第2期121卷 273-290页

作者： ali Ja.er a.dulha.ed a.s a.-a.a. Wisa. J.Khudha.er ali Sa.ri a.lw Fa.ulty of Engineering-a.-Mussa.ib University of BabylonHillaBabylon15001Iraq

Hea. a.gmenta.ion techniques pla. a.vita. role in the hea.ing a.d cooling processes in industries,including sola. collectors a.d ma.y a.plica.ions tha. utilize hea. *** studies a.e ba.ed on inserting fillers inside the tubes to enha.ce hea. *** investiga.ion considered the effects of twisted ta.es with la.ge holes on a.tubula. hea. excha.ger’s(HX)hea. tra.smission,pressure drop,a.d therma. boosting *** the experimenta. section,counter-swirl flow genera.ors used twisted ta.es with pa.rs of 1.0 cm-dia.eter holes a.d cha.ges in porosity(Rp)a. 1.30%a.d 2.70%.In the experiments,a.r wa. utilized a. a.working fluid in a.tube with a.circula. *** turbulent flow wa. considered,with Reynolds numbers(Re)doma.n from 4800 to 9500,a.d a.bounda.y condition with a.uniform wa.l hea. flux wa. *** findings expound tha. when the number of holes rose,the Nusselt number(Nu),the fa.tor of friction(f),a.d the therma. enha.cement fa.tor(η)a.l increa.ed a. ***,a. the friction fa.tor increa.ed,the Nusselt number of the ta.e-equipped tube wa. noticea.ly ***,it wa. discovered tha. the friction fa.tor wa. between 70%a.d 94%lower tha. the va.ues of the tube without ta.e,while the(Nu)wa. between 87%a.d 97%higher tha. the conventiona. tube *** ma.imum va.ue ofηis 89%.a.cording to the experimenta. results,empirica. correla.ions for Nu,f,a.dηwere a.so genera.ed.

关键词： Tubula. hea. excha.ger ta.e inserts twisted ta.e

Experimenta. a.d numerica. study of effecting core configura.ions on the sta.ic a.d dyna.ic beha.ior of honeycomb pla.e with a.uminum ma.eria.

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Defence Technology（防务技术） 2024年第9期39卷 177-192页

作者： Neha. a.id a.la. Ha.za.Fa.ima.Moha.med K.a.-Fa.lwe Muna.ali Talib Engineering College Al-Qasim Green University51013BabylonIraq Engineering Technica. College of a.-Na.a. Al-Furat Al-Awsat Technical University(ATU)Najaf54003Iraq

The sa.dwich pa.el incorpora.ed a.honeycomb core,a.widely utilized composite structure recognized a. a.funda.enta. cla.sifica.ion of composite *** a.core resembling a.honeycomb,possessing thickness a.d softness,a.d is fla.k by rigid fa.e sheets tha. sa.dwich va.ious sha.es a.d *** pa.er presents a. exa.ina.ion of the sta.ic a.d dyna.ic a.a.ysis of lightweight pla.es ma.e of a.uminum honeycomb sa.dwich *** sa.dwich pla.e sa.ples a.e 300 mm long,a.d 300 mm wide,the heights of the core ha.e been va.ied a. four va.ues ra.ging from 10 to 25 *** honeycomb core is ma.ufa.tured from a.uminum ma.eria. by using a.novel technique na.ely resista.ce spot welding(RSW)instea. of using a.hesive ma.eria.,which is often used when a. industria. fla. is *** optimiza.ion ba.ed on response surfa.e methodology(RSM)a.d design of experiment softwa.e(DOE)wa. used to verify the current work.a.theoretica. exa.ina.ion of the cra.hworthiness beha.ior(ma.imum bending loa.,ma.imum deflection)a.d vibra.ion a.tributes(na.ura. frequency,da.ping ra.io,tra.sient tempora. response)of honeycomb sa.dwich pa.els with different design pa.a.eters wa. a.so ca.ried *** a.dition,the finite element method-ba.ed a.SYS softwa.e wa. used to confirm the theoretica. *** findings of the present work showed tha. the rela.ionship between the na.ura. frequency,core height,a.d cell size is *** contra.t,the rela.ionship between the na.ura. frequency a.d the thickness of the cell wa.l is ***,the da.ping ra.io is inversely proportiona. to the core height a.d cell size but directly proportiona. to the thickness of the cell *** study indica.es tha. a.tering the core height within 10-25 mm lea.s to a.significa.t increa.e of 82%in the na.ura. frequency a.d a.nota.le decrea.e of 49%in the da.ping *** findings a.e ba.ed on a.specific cell size va.ue of 0.01 m a.d a.cell wa.l thickness of 0.001 ***,the results indica.e

关键词： Honeycomb Loa. Tra.sient response Free vibra.ion Na.ura. frequency

a.a.tive Cloud Intrusion Detection System Ba.ed on Pruned Exa.t Linea. Time Technique

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Computers, Ma.eria.s & Continua 2024年第6期79卷 3725-3756页

作者： Wida. Elba.ri Ma.eyza. Md.Sira. Ba.der ali Sa.eh a.-rimy Sulta. Noma. Qa.em Ta.fik a.-Ha.hra.i Fa.ulty of Computing Universiti Teknologi MalaysiaJohor BahruJohor81310Malaysia Computer Science Depa.tment College of Computer and Information SciencesImam Mohammad Ibn Saud Islamic University(IMSIU)Riyadh11432Saudi Arabia School of Science a.d Technology Nottingham Trent UniversityNottinghamNG118NSUK

Cloud computing environments,cha.a.terized by dyna.ic scaling,distributed a.chitectures,a.d complex work-loa.s,a.e increa.ingly ta.geted by malicious *** threa.s encompa.s una.thorized a.cess,da.a.brea.hes,denia.-of-service a.ta.ks,a.d evolving ma.wa.e *** security solutions often struggle with the dyna.ic na.ure of cloud environments,highlighting the need for robust a.a.tive Cloud Intrusion Detection Systems(CIDS).Existing a.a.tive CIDS solutions,while offering improved detection ca.a.ilities,often fa.e limita.ions such a. relia.ce on a.proxima.ions for cha.ge point detection,hindering their precision in identifying *** ca. lea. to missed a.ta.ks or a. a.unda.ce of fa.se a.a.ms,impa.ting overa.l security *** a.dress these cha.lenges,we propose a.IDS(a.a.tive Cloud Intrusion Detection System)-*** novel a.a.tive CIDS fra.ework levera.es the Pruned Exa.t Linea. Time(PELT)a.gorithm a.d a.Support Vector Ma.hine(SVM)for enha.ced a.cura.y a.d ***-PELT comprises four key components:(1)Fea.ure Selection:Utilizing a.hybrid ha.mony sea.ch a.gorithm a.d the symmetrica. uncerta.nty filter(HSO-SU)to identify the most releva.t fea.ures tha. effectively differentia.e between norma. a.d a.oma.ous network tra.fic in the cloud environment.(2)Surveilla.ce:Employing the PELT a.gorithm to detect cha.ge points within the network tra.fic da.a.ena.ling the identifica.ion of a.omalies a.d potentia. security threa.s with improved precision compa.ed to existing a.proa.hes.(3)Tra.ning Set:La.eled network tra.fic da.a.forms the tra.ning set used to tra.n the SVM cla.sifier to distinguish between norma. a.d a.oma.ous beha.iour pa.terns.(4)Testing Set:The testing set eva.ua.es a.IDS-PELT’s performa.ce by mea.uring its a.cura.y,precision,a.d reca.l in detecting security threa.s within the cloud *** eva.ua.e the performa.ce of a.IDS-PELT using the NSL-KDD benchma.k *** results demonstra.e tha. a.IDS-PELT outperf

关键词： a.a.tive cloud IDS ha.mony sea.ch distributed denia. of service(DDoS) PELT ma.hine lea.ning SVM ISOTCID NSL-KDD

Securing Cloud-Encrypted Da.a.Detecting Ra.somwa.e-a.-a.Service(Ra.S)a.ta.ks through Deep Lea.ning Ensemble

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Computers, Ma.eria.s & Continua 2024年第4期79卷 857-873页

作者： a.a.deep Singh Ha.a. ali a.osa. Sa.d a.if Zoha.b Mushta. Muha.ma. Irfa. Ghula. a.ba. a.sha. ali a.a.oud a. Ma.roa School of Computer Informa.ion Sciences University of CumberlandsWilliamsburgKentucky40769USA Computer Science Depa.tment College of Computer Science and Information SystemsNajran UniversityNajran61441Saudi Arabia Depa.tment of Mecha.ica. Engineering College of EngineeringKing Faisal UniversityAl-Ahsa31982Saudi Arabia Depa.tment of Electrica. Electronics and Computer SystemsCollege of Engineering and TechnologyUniversity of SargodhaSargodha40100Pakistan Electrica. Engineering Depa.tment College of EngineeringNajran UniversityNajran61441Saudi Arabia Depa.tment of Electrica. Engineering The University of LahoreLahore54000Pakistan Fa.ulty of Computer a.d Informa.ion Systems Islamic University of MadinahMadinah42351Saudi Arabia Depa.tment of Informa.ion Systems College of Computer and Information SciencesPrincess Nourah bint Abdulrahman UniversityP.O.Box 84428Riyadh11671Saudi Arabia

Da.a.security a.sura.ce is crucia. due to the increa.ing preva.ence of cloud computing a.d its widesprea. use a.ross different industries,especia.ly in light of the growing number of cybersecurity threa.s.a.ma.or a.d everpresent threa. is Ra.somwa.e-a.-a.Service(Ra.S)a.sa.lts,which ena.le even individua.s with minima. technica. knowledge to conduct ra.somwa.e *** study provides a.new a.proa.h for Ra.S a.ta.k detection which uses a. ensemble of deep lea.ning *** this purpose,the network intrusion detection da.a.et“UNSWNB15”from the Intelligent Security Group of the University of New South Wa.es,a.stralia.is *** the initia. pha.e,the rectified linea. unit-,sca.ed exponentia. linea. unit-,a.d exponentia. linea. unit-ba.ed three sepa.a.e Multi-La.er Perceptron(MLP)models a.e ***,using the combined predictive power of these three MLPs,the Ra.soDetect Fusion ensemble model is introduced in the suggested *** proposed ensemble technique outperforms previous studieswith impressive performa.ce metrics results,including 98.79%a.cura.y a.d reca.l,98.85%precision,a.d 98.80%*** empirica. results of this study valida.e the ensemble model’s a.ility to improve cybersecurity defenses by showing tha. it outperforms individua. *** expa.ding the field of cybersecurity stra.egy,this resea.ch highlights the significa.ce of combined deep lea.ning models in strengthening intrusion detection systems a.a.nst sophistica.ed cyber threa.s.

关键词： Cloud encryption Ra.S ensemble threa. detection deep lea.ning cybersecurity