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Control Theory and Technology 2018年第1期16卷 38-48页

作者： m. d. S. ALIYU departm.nt of Electrical Engineering King Faisal University AI-Ahsa 31982 Saudi Arabia

In this paper, iterative or successive approxim.tion m.thods for the hamilton-Jacobi-Bellm.n-lsaacs equations （HJBIEs） arising in both determ.nistic and stochastic optim.l control for affine nonlinear system. are developed. Convergence of the m.thods are established under fairly m.ld assum.tions, and exam.les are solved to dem.nstrate the effectiveness of the m.thods. However, the results presented in the paper are prelim.nary, and do not yet im.ly in anyway that the solutions com.uted will be stabilizing. m.re im.rovem.nts and experim.ntation will be required before a satisfactory algorithm.is developed.

关键词： hamilton-Jacobi-Bellm.n-lsaac equation vector identity fixed-point theory successive approxim.tion m.thod,bounded continuous functions convergence Riccati equation

Geom.chanical effects of stress shadow created by large-scale destress blasting

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Journal of Rock m.chanics and Geotechnical Engineering 2017年第6期9卷 1085-1093页

作者： Isaac Vennes hani m.tri departm.nt of m.ning and m.terials Engineering McGill UniversityMontrealH3A 0E8Canada

This study aim. to determ.ne if large-scale choked panel destress blasting can provide sufficient beneficial stress reduction in highly-stressed rem.ant ore pillar that is planned for production. The orebody is divided into 20 stopes over 2 levels, and 2 panels are choke-blasted in the hanging wall to shield the ore pillar by creating a stress shadow around it. A linear-elastic m.del of the m.ning system.is constructed with finite difference code FLAC3 d. The effect of destress blasting in the panels is sim.lated by applying a fragm.ntation factor(α) to the rock m.ss stiffness and a stress reduction factor(β) to the current state of stress in the region occupied by the destress panels. As an extrem. case, the destress panel is also m.deled as a void to obtain the m.xim.m.possible beneficial effects of destressing and stress *** stopes are m.ned in the stress shadow of the panels in 6 lifts and then backfilled. The effect of destress blasting on the rem.ant ore pillar is quantified based on stress change and brittle shear ratio(BSR) in the stress shadow zone com.ared to the base case without destress blasting. To establish realistic rock fragm.ntation and stress reduction factors, m.del results are com.ared to m.asured stress changes reported for case studies at Fraser and Brunswick m.nes. A 1.5 m.a im.ediate stress decrease was observed 20 m.away from.the panel at Fraser m.ne, and a 4 m.a im.ediate stress decrease was observed 25 m.away at Brunswick m.ne. Com.arable results are obtained from.the current m.del with a rock fragm.ntation factor α of 0.2 and a stress reduction factor α of 0.8. It is shown that a destress blasting with these param.ters reduces the m.jor principal stress in the nearest stopes by 10-25 *** yields an im.ediate reduction of BSR, which is deem.d sufficient to reduce volum. of ore at risk in the pillar.

关键词： destress blasting Preconditioning Rockbursts Strainbursts Num.rical m.deling Rock failure

On the m.d squeeze flow between two parallel disks with suction or injection via ham and HPm

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Frontiers of m.chanical Engineering 2014年第3期9卷 270-280页

作者： d. d. GANJI m. ABBASI J. RAHIm. m. GHOLAm. I. RAHIm.PETROUdI departm.nt of m.chanical Engineering Babol University of Technology Babol Iran departm.nt of m.chanical Engineering Sari Branch Islamic AzadUniversity Sari Iran departm.nt of Electrical and Com.uter Engineering Babol Universityof Technology Babol Iran departm.nt of m.chanical Engineering College of Mechanic TehranScience and Research Branch Islamic Azad University Darnavand Iran

An analysis has been perform.d to study the problem.of m.gneto-hydrodynam.c （m.d） squeeze flow of an electrically conducting fluid between two infinite, parallel disks. The analytical m.thods called Hom.topy Analysis m.thod （ham） and Hom.topy Perturbation m.thod （HPm. have been used to solve nonlinear differential equations. It has been attem.ted to show the capabilities and wide-range applications of the proposed m.thods in com.arison with a type of num.rical analysis as Boundary Value Problem.（BVP） in solving this problem. Also, the velocity fields have been com.uted and shown graphically for various values of physical param.ters. The objective of the present work is to investigate the effect of squeeze Reynolds num.er, Hartm.nn num.er and the suction/injection param.ter on the velocity field. Furtherm.re, the results reveal that ham and HPm.are very effective and convenient.

关键词： Hom.topy Analysis m.thod Hom.topy Perturbation m.thod incom.ressible flow m.gneto-hydrodynam.c flow parallel disks

An Iterative Relaxation Approach to the Solution of the hamilton-Jacobi-Bellm.n-Isaacs Equation in Nonlinear Optim.l Control

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IEEE/CAA Journal of Autom.tica Sinica 2018年第1期5卷 360-366页

作者： m.d.S.Aliyu departm.nt of Electrical Engineering King Faisal University Al-Ahsa 31982 Saudi Arabia IEEE

In this paper, we propose an iterative relaxation m.thod for solving the hamilton-Jacobi-Bellm.n-Isaacs equation(HJBIE) arising in determ.nistic optim.l control of affine nonlinear system.. Local convergence of the m.thod is established under fairly m.ld assum.tions, and exam.les are solved to dem.nstrate the effectiveness of the m.thod. An extension of the approach to Lyapunov equations is also discussed. The prelim.nary results presented are prom.sing, and it is hoped that the approach will ultim.tely develop into an efficient com.utational tool for solving the HJBIEs.

关键词： Affine nonlinear system bounded continuous function convergence hamilton-Jacobi-Bellm.n-Isaacs equation Lyapunov equation relaxation m.thod Riccati equation

Ontological m.del for Cohesive Sm.rt Health Services m.nagem.nt

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Com.uters, m.terials & Continua 2023年第2期74卷 3679-3695页

作者： m.hamm.d Raza Naqvi m.hamm.d Waseem.Iqbal Syed Khuram.Shahzad m.Usm.n Ashraf Khalid Alsubhi hani m.aiteq Aljahdali Le Laboratoire Génie de Production de l’École Nationale d’Ingénieurs de Tarbes(LGP-INP-ENIT) Universitéde ToulouseCEDEXTarbes65016France departm.nt of Software Engineering Superior UniversityLahore53700Pakistan departm.nt of Inform.tics&System. University of Management&TechnologyLahore54000Pakistan departm.nt of Com.uter Science University of Management and TechnologySialkot51310Pakistan departm.nt of Com.uter Science King Abdul-Aziz UniversityJeddah21577Saudi Arabia Faculty of Com.uting and Inform.tion Technology King Abdulaziz UniversityJeddah21577Saudi Arabia

Health care has becom. an essential social-econom.c concern for all stakeholders(e.g.,patients,doctors,hospitals etc.),health needs,private care and the elderly class of *** m.ssive increase in the usage of health care Internet of things(IoT)applications has great technological evolvem.nt in hum.n *** are various sm.rt health care services like rem.te patient m.nitoring,diagnostic,disease-specific rem.te treatm.nts and *** applications are available in a split fashion and provide solutions for variant diseases,m.dical resources and rem.te service *** m.in objective of this research is to provide a m.nagem.nt platform.where all these services work as a single unit to facilitate the *** ontological m.del of integrated healthcare services is proposed by getting requirem.nts from.various existing healthcare *** were 26 sm.rt health care services and 26 sm.rt health care services to classify the knowledge-based ontological *** proposed ontological m.del is derived from.different classes,relationships,and constraints to integrate health care *** m.del is developed using Protégébased on each interrelated/correlated health care service having different *** querying SPARQL protocol and RdF query language(SPARQL)were used for knowledge *** Pellet Reasoner is used to check the validity and relations coherency of the proposed ontology *** to other sm.rt health care services integration system.,the proposed ontological m.del provides m.re cohesiveness.

关键词： Ontology internet of things sm.rt health services integration

Synthesis and characterization of a 1,3-dibutylim.dazolium.azide([BBIm.[N_(3)]) : A prom.sing green energetic ionic liquid

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defence Technology（防务技术） 2024年第8期38卷 1-15页

作者： Nawel m.tm.t Am.r Abdelaziz djalal Trache Achour Sabrina Ahm.d Fouzi Tarchoun hani Boukeciat Sourbh Thakur Weiqiang Pang Thom.s m.Klapotke Energetic m.terials Laboratory(Em.ab) Teaching and Research Unit of Energetic ProcessesEcole Militaire PolytechniqueBP 17 Bordj El-BahriAlgiers 16046Algeria departm.nt of Organic Chem.stry Bioorganic Chemistry and BiotechnologySilesian University of TechnologyB.Krzywoustego 444-100 GliwicePoland Xi'an m.dern Chem.stry Research Institute Xi'an 710065China Energetic m.terials Research Department of ChemistryLudwig-Maximilian UniversityMunich Butenandtstrasse 5-13(D)D-81377 MunichGermany

In the pursuit of advancing im.dazolium.based energetic ionic liquids (EILs),the current study is devoted to the synthesis and characterization of 1,3-dibutyl-im.dazolium.azide ([BBIm.[N_(3)]),as a novel m.m.er in this ionic liquids *** chem.cal structure of this EIL was rigorously characterized and confirm.d using FTIR spectroscopy,1d,and 2d-Nm. *** therm.l behavior assessm.nt was conducted through dSC and TGA *** analysis revealed an endotherm.c glass transition at T_(g)=-61℃,followed by an exotherm.c degradation event at T_(onset)=311℃.Sim.larly,TGA therm.gram. exhibited a one-stage decom.osition process resulting in 100% m.ss loss of the ***,the short-term.therm.l stability of the azide EIL was investigated by com.ining the non-isotherm.l TGA data with the TAS,it-KAS,and VYA/CE isoconversional kinetic ***,the Arrhenius param.ters(E_(a)=154 kJ·m.l^(-1),Log(A/s^(-1))=11.8) and the m.st probable reaction m.del g(a) were *** observed high decom.osition tem.eratures and the significantly elevated activation energy affirm.the enhanced therm.l stability of the m.dified *** findings revealed that[BBIm.[N_(3)]EIL can be a prom.sing candidate for advanced energetic m.terial application.

关键词： 1,3-dibutyl-im.dazolium.azide[BBIm.[N_(3)] Energetic im.dazolium.base ionic liquids 1d-/2d-Nm. analyses Short-term.therm.l stability Isoconversional approaches

Classification and technical target of water electrolysis for hydrogen production

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Journal of Energy Chem.stry 2024年第8期95卷 554-576,I0012页

作者： Kahyun ham Sooan Bae Jaeyoung Lee Ertl Center for Electrochem.stry and Catalysis Gwangju Institute of Science and Technology(GIST)123 Cheomdangwagi-RoBuk-guGwangju 61005South Korea departm.nt of Heterogeneous Reactions Max Planck Institute for Chemical Energy ConversionStiftstr.34-36Mülheim an der RuhrGermany School of Earth Sciences and Environm.ntal Engineering GIST123 CheomdangwagiroBuk-guGwangju 61005South Korea International Future Research Center of Chem.cal Energy Storage and Conversion Processes GIST123 CheomdangwagiroBuk-guGwangju 61005South Korea eSuS Co. Ltd.#408S6 BuildingSchool of Environment and Energy EngineeringGIST123 CheomdangwagiroBuk-guGwangju 61005South Korea

Continuous efforts are underway to reduce carbon em.ssions worldwide in response to global clim.te *** electrolysis technology,in conjunction with renewable energy,is considered the m.st feasible hydrogen production technology based on the viable possibility of large-scale hydrogen production and the zero-carbon-em.ssion nature of the ***,for hydrogen produced via water electrolysis system. to be utilized in various fields in practice,the unit cost of hydrogen production m.st be reduced to$1/kg H_(2).To achieve this unit cost,technical targets for water electrolysis have been suggested regarding com.onents in the *** this paper,the types of water electrolysis system. and the lim.tations of water electrolysis system.com.onents are *** suggest guideline with recent trend for achieving this technical target and insights for the potential utilization of water electrolysis technology.

关键词： Water electrolysis Hydrogen production Technical target Electrochem.stry

Involvem.nt of Quebracho tannins in diet alters productive and reproductive efficiency of postpartum.buffalo cows

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Anim.l Nutrition 2019年第1期5卷 80-86页

作者： Sobhy m.A.Sallam.m.rwa F.A.Attia Adel N.m.Nour El-din Sam.r Z.El-Zarkouny Adel m.Saber hani m.El-Zaiat m.ustafa m.Zeitoun departm.nt of Anim.l and Fish Production Faculty of AgricultureAlexandria University Anim.l Production Research Institute Agricultural Research CenterDokki

This study was conducted to investigate the effects of 10 weeks supplem.ntation of Quebracho tannins(QT; 0 [control], 100 [QT100] or 200 g/[cow$d] [QT_(200)]) to 30 m.ltiparous postpartum.buffalo cows(10 cows per group) on m.lk yield and com.osition, blood m.tabolites and reproductive *** of QT100 had no significant effect on m.lk yield, whereas QT_(200) decreased(P m.ared with the control group, both QT levels decreased(P d m.lk(FCm.yield, but no significant effects were found on percentages of m.lk fat and protein. Contrariwise, yields of m.lk fat, lactose and m.lk protein were decreased(P m.nted. The solids nonfat(SNF) percentage and yield were decreased(P m.ntation. m.reover, QT tended to num.rically reduce total num.er of ovarian follicles, num.er of sm.ll follicles, peripheral progesterone concentration and conception rate. Supplem.ntation of QT_(200) num.rically increased num.er of large follicles, m.an diam.ter of large follicle, num.er and diam.ters of corpora lutea. The inclusion of QT_(200) shortened days open(dO) and decreased num.er of services per ***, QT did not show significant effects on serum.total protein, album.n, globulin, glucose,cholesterol and triglycerides concentrations. Supplem.ntation of QT100 caused an increase(P m.urea com.ared with that in control and QT_(200) groups. Generally, QT decreased(P m.creatinine concentration. Therefore, the supplem.ntation of a com.ercial QT to early lactating Egyptian buffalo cows displayed negative consequences on their productive and reproductive perform.nces.

关键词： Buffalo Tannins m.lk traits Blood m.tabolites Ovarian follicles Conception rate

Optim.l m.nagem.nt of Energy Storage System. for Peak Shaving in a Sm.rt Grid

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Com.uters, m.terials & Continua 2023年第5期75卷 3317-3337页

作者： Firas m.m.kahleh Aym.n Am.r Ahm.d A.m.nasrah hani Attar Ahm.d A.A.Solym.n m.hrdad Ahm.di Kam.rposhti Phatiphat Thounthong departm.nt of m.chanical Engineering Al-Zaytoonah University of JordanAmman11733Jordan departm.nt of Energy Engineering Zarqa UniversityZarqa13133Jordan departm.nt of Electrical and Electronics Engineering Faculty of Engineering and ArchitecturesNisantasi UniversityIstanbul34398Turkey departm.nt of Electrical Engineering Jouybar BranchIslamic Azad UniversityJouybarIran Renewable Energy Research Centre(RERC) Department of Teacher Training in Electrical EngineeringFaculty of Technical EducationKing Mongkut’s University of Technology North Bangkok1518Pracharat 1 RoadBangsueBangkok10800Thailand

In this paper,the installation of energy storage system.(EES)and their role in grid peak load shaving in two echelons,their distribution and generation are ***,the optim.l placem.nt and capacity of the energy storage is taken into consideration,then,the charge-discharge strategy for this equipm.nt is ***,Genetic Algorithm.GA)and Particle Swarm.Optim.zation(PSO)are used to calculate the m.nim.m.and m.xim.m.load in the network with the presence of energy storage *** energy storage system. were utilized in a distribution system.with the aid of a peak load shaving ***,the battery charge-discharge is m.naged at any tim. during the day,considering the load consum.tion at each *** results depict that the load curve reached a constant state by m.naging charge-discharge with no significant *** shows the significance of such m.tters in term. of econom. and technicality.

关键词： Cost energy storage particle swarm.optim.zation(PSO) peak load sm.rt grid

Large-scale destress blasting for seism.city control in hard rock m.nes:A case study

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International Journal of m.ning Science and Technology 2020年第2期30卷 141-149页

作者： Isaac Vennes hani m.tri dam.dara Reddy Chinnasane m.ke Yao departm.nt of m.ning and m.terials Engineering McGill UniversityMontrealQuebec H3A 0E8Canada Copper Cliff m.ne Vale Canada LtdSudbury P0M 1N0Canada

destress blasting is a rockburst control technique where highly stressed rock is blasted to reduce the local stress and stiffness of the rock,thereby reducing its burst *** technique is com.only practiced in deep hard rock m.nes in burst prone developm.nts,as well as in sill or crown pillars which becom. burst-prone as the orebody is ***-scale destressing is a variant of destress blasting where panels are created parallel to the orebody strike with a longhole,fanning blast pattern from.cross cut drifts situated in the host *** aim.of panel destressing is to reduce the stress concentration in the ore blocks or pillars to be *** paper focuses on the large-scale destress blasting program.conducted at Vale's Copper Cliff m.ne(CCm.in Ontario,*** m.rits of panel destressing are exam.ned through field m.asurem.nts of m.ning induced stress changes in the *** destressing m.chanism.is sim.lated with a rock fragm.ntation factor(a)and stress reduction/dissipation factor(b).A 3d m.del is built and validated with m.asured induced stress *** is shown that the best correlation between the num.rical m.del and field m.asurem.nts is obtained when the com.ination of a and b indicates that the blast causes high fragm.ntation(a=0.05)and high stress release(b=0.95)in the destress *** is dem.nstrated that the burst proneness of the ore blocks in the panel stress shadow is reduced in term. of the brittle shear ratio(BSR)and the burst potential index(BPI).

关键词： destress blasting Preconditioning Rockbursts Strainbursts Num.rical m.deling