systems analysis and design 10th edition shelly and rosenblatt 2014 pdf

... repeaters and network interfaces; and software components, including protocol stacks, communication handlers and drivers. The resulting functionality and performance available to distributed system and ... over 5,000 star systems) and multifarious social and economic systems. The number of players is also rising, with systems able to support over 50,000 simultaneous online players (and the total ... below and are based on cryptography and authentication. Defeating security threats ã Here we introduce the main techniques on which secure systems are based. Chapter 11 discusses the design and...

Ngày tải lên: 27/03/2014, 23:12

... since it minimizes and expedites the tedious andrepetitive calculations involved inthe design of a satisfactory control system.To understand and use a computer-aided analysis and design package, ... 8.18StabilityCharacteristicsoftheLogMagnitude andPhaseDiagram331 8.19StabilityfromtheNicholsPlot (LogMagnitude^AngleDiagram)332 8.20Summary335 9Closed-LoopTrackingPerformanceBasedonthe FrequencyResponse339 9.1Introduction339 9.2DirectPolarPlot340 9.3DeterminationofM m ando m foraSimple Second-OrderSystem341 9.4CorrelationofSinusoidalandTimeResponses345 9.5ConstantM(o )and( o)ContoursofC(jo)/R(jo)on theComplexPlane(DirectPlot)346 9.6Constant1/MandContours(UnityFeedback)inthe InversePolarPlane353 9.7GainAdjustmentofaUnity-FeedbackSystemfora DesiredM m :DirectPolarPlot355 9.8ConstantMandCurvesontheLogMagnitude^Angle Diagram(NicholsChart)358 9.9GenerationofMATLABBodeandNyquistPlots361 9.10AdjustmentofGainbyUseoftheLogMagnitude^Angle Diagram(NicholsChart)363 9.11CorrelationofPole-ZeroDiagramwithFrequencyand TimeResponses366 9.12Summary368 10Root-LocusCompensation :Design3 71 10.1IntroductiontoDesign371 10.2TransientResponse:DominantComplexPoles374 10.3AdditionalSignificantPoles379 10.4Root-LocusDesignConsiderations382 10.5ReshapingtheRootLocus384 10.6CADAccuracyChecks(CADAC)385 10.7IdealIntegralCascadeCompensation(PIController)385 10.8CascadeLagCompensationDesignUsing PassiveElements386 10.9IdealDerivativeCascadeCompensation (PDController)391 10.10LeadCompensationDesignUsingPassiveElements393 Copyright â 2003 Marcel Dekker, Inc. 14. Linear Control System Analysis and Design with MATLAB: Fifth Edition, Revised and Expanded, John J. ... obtainingatimeresponse,andROOTLforobtainingroot-locusdataand plots.TheseCADpackagesbecamethebasisforthepracticalcontrol systemdesignCADpackagecalledTOTAL,theforerunnerofTOTAL-PC [8],whichwasdevelopedin1978atAFIT.TOTALbecamethecatalyst, alongwithothercontrolCADpackagesdevelopedbyotherindividuals, forthedevelopmentofthecurrenthighlydevelopedcommercialcontrol systemdesignCADpackagesthatarenowreadilyavailable.Oneofthese CADpackagesisMATLAB,whichhasbecomeavaluabletoolforacontrol engineerandisillustratedinthistext.ThedetailedcontentsoftheTOTAL- PCCADpackagearedescribedinAppendixD.Theprogramiscontainedin thediskwhichisincludedwiththisbook. Becomingproficient(computerliterate)intheuseoftheseCAD packages(tools)isessentialforacontrolsystemsengineer.Itisalsoessential todevelopproceduresforcheckingtheCADresultsateachstageofthe analysisanddesign.ThisisnecessaryinordertoverifythattheseCADtools havegeneratedresultswhichareconsistentwiththeory.Wheneverindoubt, concerningtheoperationofaspecificCADtool,applytheCADtooltoa simpleproblemwhoseknownanalyticalsolutioncanbereadilycomparedto thecomputergeneratedoutput. 1.9OUTLINEOFTEXT Thetextisessentiallydividedintothreeparts.Thefirstpart,consistingof Chapters2through4,providesthemathematicalfoundationformodeling physicalsystemsandobtainingtimesolutionsusingclassicalorLaplace transformmethods.ThesecondpartconsistsofChapters5through9that providethefundamentalsofconventionalcontroltheoryandstate-variable concepts.Theremainingportionofthetextrepresentsmaterialthatisusually coveredinthefirstorsecondundergraduatecourseincontroltheoryand controlsystemdesign. Thefirstfewchaptersdealwiththemathematicsandphysicalsystem modelingthatunderlietheanalysisofcontrolsystems.Oncethetechniqueof writingthesystemequations (and, inturn,theirLaplacetransforms)that describetheperformanceofadynamicsystemhasbeenmastered,theideas ofblockandsimulationdiagramsandtransferfunctionsaredeveloped. Whenphysicalsystemsaredescribedintermsofblockdiagramsandtransfer functions,theyexhibitbasicservocharacteristics.Thesecharacteristicsare describedanddiscussed.Theconceptofstateisintroduced,andthesystem equationsaredevelopedinthestandardmatrixformat.Thenecessarylinear algebrarequiredtomanipulatethematrixequationsisincluded.Apresenta- tionofthevariousmethodsofanalysisisnextpresentedthatcanbeusedinthe studyoffeedbackcontrolsystems.SISOsystemsareusedinitiallytofacilitate 26Chapter1 Copyright...

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Ngày tải lên: 19/09/2013, 15:53

... 136 130 127 136 100 000 17 239 269 236 250 Ship Design for Efficiency and Economy Second edition H. Schneekluth and V. Bertram Main dimensions and main ratios 17  If the forecastle is not sufficiently ... S F in the fore half. y is here the difference between actual and standard height of superstructure. 4 Ship Design for Efficiency and Economy In all the formulae, the length between perpendiculars ... Checking the interference of bow and stern wave systems according to the Froude number. Unfavourable Froude numbers with mutual reinforcement between bow and stern wave systems should be avoided. Favourable...

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Ngày tải lên: 21/06/2014, 09:20

... with three demands. While the demand between t 1and t2 as well as the demand between t1andt3canberoutedover all two message types ( |M|=2), the demand between t 2and t3 can be routed over the network ... Streichert, C. D. Haubelt, and J. Teich, “Distributed HW/SW-partitioning for embedded reconfigurable systems, ” in Proceedings of Design, Automation and Test in Europe Con- ference and Exposition (DATE ... Journal on Embedded Systems Volume 2006, Article ID 42168, Pages 1–15 DOI 10.1155/ES/2006/42168 Modeling and Design of Fault-Tolerant and Self-Adaptive Reconfigurable Networked Embedded Systems Thilo...

Ngày tải lên: 22/06/2014, 22:20

... end of the path. In addition to FM and television broadcast services, this band handles much of the land mobile and some fixed services, and some aeronautical and aeronavigation services. So long ... bandwidth; to 1/100, the 20 dB band - width; and so on. Another bandwidth reference that is often encountered, especially in receiver design, is the noise bandwidth. This is defined as the bandwidth ... wideband relay, radar, and specialized wideband communications systems. Other related applications include de - velopmental research, space research, military support systems, radio location, and...

Ngày tải lên: 30/06/2014, 07:40

... space and time in GIS. The book is essential reading for students, scientists and researchers in the fields of Geography, GIS, Cartography, and Databases. It begins with a synopsis of space and ... literature review is included on Time Geography, temporal GIS and the object-oriented paradigm (programming languages, analysis and design methods, databases). Future research directions are outlined ... management, and applications with complex and interrelated objects and spatio-temporal data. This book provides an objective source of references for addressing conceptual, methodological, and technical...

Ngày tải lên: 08/08/2014, 00:23

... path: identity, location and direction. Any OBJECT-ORIENTED DESIGN FOR TEMPORAL GIS 26 (1977), Carlstein, Parkes and Thrift (1978), Parkes and Thrift (1980) and Golledge and Stimson (1997). The ... Examples are the effects of pollution given various climatic and economic scenarios, accident and disease patterns, and land use and demographic trends. Each space-time path is in fact the spatio-temporal ... regions (Mårtensson, 1978), and analysis of various activities in the quaternary sector, mainly concerned with employment distribution (Olander and Carlstein, 1978). Space and time in Time Geography...

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Ngày tải lên: 14/08/2014, 14:20

Ngày tải lên: 14/08/2014, 14:20

... Cecilia Benoit, and Jane Sandall 3. C HANGING B IRTH :I NTEREST G ROUPS AND M ATERNITY C ARE P OLICY 51 Ivy Lynn Bourgeault, Eugene Declercq, and Jane Sandall 4. R EFORMING B IRTH AND (R E ) MAKING M IDWIFERY ... emphasis on randomized clinical trials and in the Netherlands—where the government has invested much money in researching and supporting midwife-assisted home birth. Both the United States and Canada ... Educational systems ã Stratication systems and inequality ã Attitudes about, and uses of, technology In reflecting on these questions, you will begin to appreciate the great variation in maternity care and...

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