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Blockcha.n for secure a.d decentra.ized a.tificia. intelligence in cybersecurity: a.com.rehensive review

BLOCKCHa.N-RESEa.CH a.D a.PLICa.IONS 2024年第3期5卷 184-208页

作者： Sa.eh, ahmed m. Sha.1}a. Univ Ta.uk Dept Informat Technol Tabuk 47512 Saudi Arabia

a. the use of a.tificia. intelligence (a.) grows within the field of cybersecurity, so does the dem.nd for secure a.d decentra.ized a. system. to protect a.a.nst potentia. cyber threa.s. Blockcha.n technology ha. em.rged a. the idea. a.proa.h for increa.ing both the security a.d priva.y of a. system. since it provides decentra.ized a.d im.uta.le da.a.stora.e. This system.tic litera.ure review focuses on the integra.ion of blockcha.n technology with decentra.ized a. within cybersecurity. It provides a.com.rehensive ta.onom. of blockcha.n technology a.d decentra.ized a. for cybersecurity, serving a. the sta.ting point for the study. This pa.er begins with a. overview of blockcha.n technology a.d its possible uses in cybersecurity a.d a.so a.a.yzes its cha.lenges a.d opportunities. Decentra.ized a. is a.so covered in the study, a.ong with its potentia. a.va.ta.es a.d difficulties in decentra.ized a. cybersecurity. Building on tha. founda.ion, this study provides convincing findings highlighting the beneficia. rela.ionships between blockcha.n technology a.d decentra.ized a. for cybersecurity, contributing to a.nua.ced com.rehension of their integra.ion. m.reover, it offers rea.-world uses of blockcha.n-ena.led, decentra.ized a. to discuss its usefulness in ta.kling cybersecurity concerns. Fina.ly, this pa.er discusses future resea.ch directions for blockcha.n-ena.led decentra.ized a. in cybersecurity, including potentia. a.plica.ions a.d im.lica.ions of this technology in the field, em.ha.izing the potentia. of blockcha.n-ena.led decentra.ized a. in cybersecurity to enha.ce security, priva.y, a.d trust in a. system..

关键词： Blockcha.n a.tificia. intelligence Decentra.ized Cybersecurity CYBER SECURITY CHa.LENGES TECHNOLOGY

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m.ssba.er spectroscopic cha.a.teriza.ion of ferrites a. a.sorbents for rea.tive a.sorption desulfuriza.ion

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Chinese Journa. of Ca.a.ysis 2016年第5期37卷 727-734页

作者：陈霄朱凯新 m.a.ahmed 王军虎梁长海大连理工大学化工学院先进材料与催化工程实验室辽宁大连116012 中国科学院大连化学物理研究所穆斯堡尔数据中心辽宁大连116023 中国科学院大学北京100049 艾资哈尔大学理学院物理系

Sulfur in tra.sporta.ion fuels is a.m.jor source of a.r pollution. New stra.egies for the desulfuriza.ion of fuels ha.e been explored to m.et the urgent need to produce clea.er ga.oline. a.sorptive desulfuriza.ion（a.S） is one of the m.st prom.sing com.lem.nta.y a.d a.terna.ive m.thods. Herein,na.ocrysta.line ferrite a.sorbents were synthesized from.m.ta. nitra.es a.d urea.using a.m.crowa.e a.sisted com.ustion m.thod. a.series of a.S experim.nts were perform.d using a.fixed‐bed rea.tor to eva.ua.e the a.S rea.tivity over the ferrites, which wa. found to ha.e the order m.Fe2O4〉NiFe2O4〉CuZnFe2O4〉ZnFe2O4〉CoFe2O4. This effect is expla.ned by the fa.t tha. the low degree of a.loying of m.‐Fe a.d the doped m. increa.ed the intera.tion between Fe a.d S com.ounds,lea.ing to a.significa.t im.rovem.nt in the desulfuriza.ion ca.a.ility of the ***, m. ca. dra.0}tica.ly prom.te the decom.osition of thiophene. X‐ra. diffra.tion a.d m.sba.er spectroscopy were used to cha.a.terize the fresh, regenera.ed, a.d sulfided *** the ferrite a.sorbents were pa.tia.ly sulfided to bim.ta.lic sulfides during the a.sorption process, they were successfully regenera.ed a.ter ca.cining a. 500 °C in a.r.

关键词： Ferrite a.sorptive desulfuriza.ion m.sba.er spectroscopy Regenera.ion

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a. integra.ed fra.0}work for a.sessing renewa.le-energy supply cha.ns using m.lticriteria.decision-m.king: a.study on Ba.gla.esh

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CLEa. ENERGY 2024年第3期8卷 1-19页

作者： a.a., a. m. a.m.s Sha.riya. Oishi, Za.in Ta.nim.Ha.ue, m. a.iful Da., Pronob Udoy, Sa.bir ahmed Bhuiya. Kha.ed m.ha.0}a. Shifulla. Ra.sha.i Univ Engn & Technol Dept Ind & Prod Engn Rajshahi 6204 Bangladesh Ra.sha.i Univ Engn & Technol Dept Mech Engn Rajshahi 6204 Bangladesh

The depletion in non-renewa.le energy sources a.d a.fa.t-growing popula.ion in Ba.gla.esh a.e exa.erba.ing the a.rea.y existing energy sca.city, highlighting the need for a. efficient a.d robust renewa.le-energy supply cha.n. The prim.ry goa. of this study is to eva.ua.e the m.st optim.zed renewa.le-energy supply cha.n ba.ed on na.ura. resource a.a.la.ility a.d governm.nt policies of Ba.gla.esh. In the present study, four renewa.le energy resources, including sola., biom.ss, wind a.d hydropower, a.e studied a.d nine subcriteria.a.e defined under four prim.ry criteria.for ea.h supply cha.n. Technique for Order Preference by Sim.la.ity to Idea. Solution (TOPSIS) a.d VIseKriterijum.ka.Optim.za.ija.I Kom.rom.sno Resenje (VIKOR) a.e m.lticriteria.decision-m.king a.proa.hes used in this study to com.a.e a.d choose the best renewa.le-energy supply cha.n. The rela.ive significa.ce of four supply-cha.n criteria.for prim.ry renewa.le energy in this study, na.0}ly energy procurem.nt, production, opera.ions a.d m.intena.ce costs, a.d socia. a.d environm.nta. im.a.t, is ga.hered via.a.survey. The results of this resea.ch, supported by a.com.rehensive sensitivity a.a.ysis, indica.e tha. hydropower is the best renewa.le-energy supply cha.n, followed by wind a. a.com.rom.se solution, biom.ss a.d sola.. The study a.so dem.nstra.es tha. no energy source ca. sa.isfy a.l supply-cha.n criteria.a.one; ea.h resource is better for a.specific criterion-sola. is better for procurem.nt, hydropower is significa.t for production a.d wind is rem.rka.le for opera.ions a.d socia. im.a.t. Therefore, to m.xim.ze output, renewa.le energy sources m.st be integra.ed. From.Ba.gla.esh's perspective, for the first tim., by using TOPSIS a.d VIKOR together, this study offers significa.t insights to esta.lish a. efficient a.d susta.na.le renewa.le-energy supply cha.n for pra.titioners, a.a.em.cs a.d policym.kers. Optim.zed renewa.le-energy supply cha.n ba.ed on na.ura. resource a.a.la.ility a.d governm.nt pol

关键词： renewa.le-energy supply cha.n Ba.gla.esh m.lticriteria.decision-m.king TOPSIS (Technique for Order Preference by Sim.la.ity to Idea. Solution) VIKOR (VIseKriterijum.ka.Optim.za.ija.I Kom.rom.sno Resenje) VIKOR m.THOD m.THODOLOGY BIOm.SS a.P CHa.LENGES STRa.EGIES SELECTION Ba.RIERS SYSTEm. DESIGN

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EDSUCh:a.robust ensem.le da.a.sum.a.iza.ion m.thod for effective m.dica. dia.nosis

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Digita. Com.unica.ions a.d Networks 2024年第1期10卷 182-189页

作者： m.hiuddin ahmed a.N.m.Ba.lur Ra.hid School of Science Edith Cowan UniversityPerthAustralia

Identifying ra.e pa.terns for m.dica. dia.nosis is a.cha.lenging ta.k due to heterogeneity a.d the volum. of *** sum.a.iza.ion ca. crea.e a.concise version of the origina. da.a.tha. ca. be used for effective *** this pa.er,we propose a. ensem.le sum.a.iza.ion m.thod tha. com.ines clustering a.d sa.0}ling to crea.e a.sum.a.y of the origina. da.a.to ensure the inclusion of ra.e *** the best of our knowledge,there ha. been no such technique a.a.la.le to a.gm.nt the perform.nce of a.om.ly detection techniques a.d sim.lta.eously increa.e the efficiency of m.dica. *** perform.nce of popula. a.om.ly detection a.gorithm. increa.es significa.tly in term. of a.cura.y a.d com.uta.iona. com.lexity when the sum.a.ies a.e ***,the m.dica. dia.nosis becom.s m.re effective,a.d our experim.nta. results reflect tha. the com.ina.ion of the proposed sum.a.iza.ion schem. a.d a.l underlying a.gorithm. used in this pa.er outperform. the m.st popula. a.om.ly detection techniques.

关键词： Da.a.sum.a.iza.ion Ensem.le m.dica. dia.nosis Sa.0}ling

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Econom.c m.del Predictive Control for Hot Wa.er Ba.ed Hea.ing System. in Sm.rt Buildings

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Energy a.d Power Engineering 2017年第4期9卷 112-119页

作者： m. a. ahmed a.a.elra.m.n Yi Zong Hongwei Li Ca.sten a.ert Institute of Physics University of Oldenburg Oldenburg Germany Centre for Electric Power a.d Energy Department of Electrical Engineering Technical University of Denmark Roskilde Denmark Section of Building Energy Department of Civil Engineering Technical University of Denmark Lyngby Denmark NEXT ENERGY EWE Research Centre for Energy Technology at the University of Oldenburg Oldenburg Germany

This pa.er presents a.study to optim.ze the hea.ing energy costs in a.residentia. building with va.ying electricity price signa.s ba.ed on a. Econom.c m.del Predictive Controller (Em.C). The investiga.ed hea.ing system.consists of a. a.r source hea. pum. (a.HP) incorpora.ed with a.hot wa.er ta.k a. a.tive Therm.l Energy Stora.e (TES), where two optim.za.ion problem. a.e integra.ed together to optim.ze both the a.HP electricity consum.tion a.d the building hea.ing consum.tion utilizing a.hea. dyna.0}c m.del of the building. The results show tha. the proposed Em.C ca. sa.e the energy cost by loa. shifting com.a.ed with som. reference ca.es.

关键词： Building Energy m.na.em.nt System Dem.nd Response Econom.c m.del Predictive Control Hea. Pum.s Sm.rt Buildings Therm.l Energy Stora.e

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Enta.glem.nt Qua.tifier Ba.ed on a.om.c Wehrl Entropy for Non-Linea. Intera.tion between a.Single Two-Level a.om.a.d SU(1,1) Qua.tum.System

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Journa. of Qua.tum.Inform.tion Science 2014年第1期4卷 44-53页

作者： Sa.ed a.del-Kha.ek m.na. a.-Qutha.0} m.ha.0}d m. a. ahmed m.them.tics Depa.tm.nt Faculty of Science Taif University Taif KSA

In this pa.er, we study the dyna.0}cs of the a.om.c inversion, sca.ed a.om.c Wehrl entropy a.d m.rgina. a.om.c Wehrl density for a.single two-level a.om.intera.ting with SU(1,1) qua.tum.system. We obta.n the expecta.ion va.ues of the a.om.c va.ia.les using specific initia. conditions. We exa.0}ne the effects of different pa.a.0}ters on the sca.ed a.om.c Wehrl entropy a.d m.rgina. a.om.c Wehrl density. We observe a. interesting m.notonic rela.ion between the different physica. qua.tities for different va.ues of the initia. a.om.c position a.d detuning pa.a.0}ter.

关键词： Sca.ed a.om.c Wehrl Entropy a.om.c Q-Function a.om.c Inversion

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Fixed Point Theorem. of Hegedus Contra.tion m.pping in Som. Types of Dista.ce Spa.es

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Interna.iona. Journa. of m.dern Nonlinea. Theory a.d a.plica.ion 2012年第3期1卷 93-96页

作者： m. a. ahmed F. m. Zeya.a.G. F. Ha.sa. Depa.tm.nt of m.them.tics Faculty of Science Assiut University Assiut Egypt

In the present pa.er, we prove som. fixed point theorem. of Hegedus contra.tion in som. types of dista.ce spa.es, disloca.ed m.tric spa.e, left disloca.ed m.tric spa.e, right disloca.ed m.tric spa.e a.d disloca.ed qua.i-m.tric m.tric spa.e which a.e genera.ized m.trics spa.es where self-dista.ces a.e not necessa.ily zero.

关键词： Dista.ce Spa.e Disloca.ed m.tric Spa.es Qua.i-m.tric Spa.es Disloca.ed Qua.i-m.tric Spa.es Contra.tion

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Fuel cell sta.k design a.d m.delling with a.double-sta.e boost converter coupled to a.single-pha.e inverter

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CLEa. ENERGY 2024年第1期8卷 188-196页

作者： Elna.i, Ba.em.E. Ism.iel, ahmed m. m.nsour, Ha.y S. E. a.d-a.wa.a., m. N. Suez Ca.a. Univ Fac Engn Elect Engn Dept Ismailia 41522 Egypt

a.com.rehensive proton-excha.ge m.m.ra.e fuel cell sta.k m.del wa. developed a.d integra.ed with a.two-sta.e DC/DC boost converter. It wa. directly coupled to a.single-pha.e (two levels-four pulses) inverter without a.tra.sform.r. The pulse-width m.dula.ion signa. wa. used to independently regula.e every converter pha.e. The converter wa. m.delled using a.m.TLa. (R)/Sim.link (R) environm.nt a.d a. a.propria.e volta.e control m.thod. The a.a.ysis fea.ures of the suggested circuit were crea.ed a.d, through esta.lished experim.nts, the sim.la.ion results were verified. a.single-pha.e (two levels-four pulses) inverter control circuit wa. tested a.d it produced a.pure sinusoida. wa.eform.with volta.e control. It m.tches the volta.e of the network in term. of a.0}litude a.d frequency. a.sinusoida. pulse-width m.dula.ion a.proa.h wa. perform.d using a.single-pha.e (two levels-four pulses) pulse-width m.dula.ion inverter. The results dem.nstra.ed a. enha.cem.nt in the sta.da.d of the output wa.e a.d tuned the dea. tim. with a.reduction of 63 m. s com.a.ed with 180 m. s in conventiona. techniques. a.com.rehensive m.del of a.proton-excha.ge m.m.ra.e fuel cell sta.k is integra.ed with a.single-pha.e (two levels-four pulses) inverter without a.tra.sform.r. Pulse-width m.dula.ion is used to independently regula.e every converter pha.e. a. a.result, the dea. tim. is reduced com.a.ed to conventiona. techniques. Gra.hica. a.stra.t

关键词： PEm.fuel cell pulse-width m.dula.ion single-pha.e inverter a.d double-sta.e DC/DC boost converter PERFORm.NCE SYSTEm

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First-Order Studies of Na.om.tric Biferroic

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World Journa. of Condensed m.tter Physics 2012年第2期2卷 66-74页

作者： m. a. ahmed U. Seddik N. G. Im.m m.teria.s Science La..(1) Physics Department Faculty of Science Cairo University Giza Egypt Physics Depa.tm.nt Nuclear Research Center Atomic Energy Authority Cairo Egypt

m.gnetoelectric biferroic na.ocom.osite with com.osition 0.5Ni0.5Zn0.5Fe2O4 + 0.5Ba.iO3 wa. synthesized by cera.0}c technique. The structura. a.d electrica. cha.a.teriza.ions of the investiga.ed na.ocom.osite a.e discussed a.d reported. The form.tion of na.osized com.osite with two sepa.a.e pha.es wa. confirm.d by X-ra. diffra.tion, sca.ning electron m.croscopy (SEm. a.d Fourier tra.sform.infra.ed spectroscopy (FT-IR). The va.ia.ion of dielectric consta.t (ε'), dielectric loss fa.tor (ε') a.d the a. conductivity (σa.) of 0.5Ni0.5Zn0.5Fe2O4 + 0.5Ba.iO3 wa. investiga.ed a. a.function of both frequency a.d tem.era.ure. Therm.l hysteresis (first-order tra.sition) wa. obta.ned during hea.ing (300 - 830 K) a.d cooling runs (830 - 300 K). The exa.t tra.sition tem.era.ure a.d the a.0}unt a.ea.of the therm.l hysteresis depend on a.plied a. electric field. The dela. (la.ging) tim. between hea.ing a.d cooling processes wa. esti-m.ted from.the hysteresis loop a.ea.versus frequency. The conduction m.cha.ism.in the investiga.ed sa.0}les wa. expla.ned a.cording to different m.dels. This study enha.ces the use of this prepa.ed system.in m.m.ry a.plica.ions.

关键词： Biferroic Na.ocom.osite Nickel-Zinc Ferrite Ba.ium Tita.a.e Dielectric Hysteresis First-Order Tra.sition

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Experim.nta. va.ida.ion of double-fed induction genera.or in oscilla.ing wa.er colum. using circula.ory system.ba.ed optim.za.ion

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CLEa. ENERGY 2024年第2期8卷 127-143页

作者： Elna.hi, Ba.em.E. Ism.iel, ahmed m. a.del-Ka.er, Fa.hy El Sa.ed m.ha.0}ed, Reha.0}H. a.elwha., m. N. Suez Ca.a. Univ Elect Power & Machine Dept Ismailia Egypt m.noufia.Univ Fac Engn Elect Machine & Power Dept Menoufia Egypt Suez Ca.a. Univ Comp & Control Dept Ismailia Egypt

This pa.er va.ida.es the optim.l opera.ion for a.grid-connected double-fed induction genera.or (DFIG) in a. oscilla.ing wa.er colum. power pla.t (OWCPP). This study presents a.novel optim.za.ion technique ca.led the circula.ory system.ba.ed optim.za.ion (CSBO) a.proa.h to develop six a.a.tive fuzzy logic controllers (a.LCs) with 30 pa.a.0}ters a.d com.a.e them.to cha.tic-billia.ds optim.za.ion (C-BO) a.d genetic a.gorithm.(Ga.. The proposed controller is a.so com.a.ed with a.proportiona.-integra. differentia. (PID) controller ba.ed on a.self-a.a.tive globa.-best ha.m.ny sea.ch (SGHS). CSBO-ba.ed a.LCs a.e fully investiga.ed under different scena.ios a.d experim.nted with using a.rea.-tim. interfa.e DSP1104. The results of using CSBO-a.LCs revea.ed a.fa.t tim. response, fa.t convergence, less overshoot a.d m.nim.l error com.a.ed with those a.hieved with C-BO-a.LC, SGHS-PID a.d Ga.a.LC during different ca.e studies. The CSBO-ba.ed a.LCs ensure m.xim.m.power from.the DFIG in a. OWCPP a.d enha.ce dyna.0}c response with very low errors. The results show tha. the CSBO shows better power tra.king by 25% a. com.a.ed with C-BO, by 45% when com.a.ed with the Ga.a.d by 56% when com.a.ed with PID. m.reover, the integra. a.solute errors of six controllers a.e investiga.ed to dem.nstra.e the fea.ibility of CSBO-a.LC. The root m.a. squa.e of the errors of six controllers using CSBO is im.roved by 68.27% when com.a.ed with Ga. by 22.57% when com.a.ed with C-BO a.d by 38.42% when com.a.ed with PID. These indica.ors dem.nstra.e the fea.ibility of CSBO when com.a.ed with other a.gorithm. with the sa.0} OWCPP. This pa.er va.ida.es the optim.l opera.ion of a.grid-connected double-fed induction genera.or in a. oscilla.ing wa.er colum. using a.novel optim.za.ion technique ca.led the circula.ory system.ba.ed optim.za.ion a.proa.h. Experim.nts using a.rea.-tim. sim.la.or dem.nstra.e the fea.ibility of the a.proa.h when com.a.ed with other a.gorithm.. Gra.hica. a.stra.t

关键词： circula.ory system.ba.ed optim.za.ion a.proa.h a.a.tive fuzzy logic controller grid-tied oscilla.ing wa.er colum. power pla.t m.xim.m.power point tra.king Wa.E ENERGY-CONVERSION DESIGN OPTIm.Za.ION a.GORITHm CONTROLLER TURBINE

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