Industrial Control

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1、ContentsHongKongIGDS2000IndustrialControlTableofContents●Chapter0-Introductions●Chapter1-Sensors●Chapter2-Actuators●Chapter3-IndustrialElectronic●Chapter4-MotorDrives●Chapter5-ControlComponents●Chapter6-SequentialLogic●Chapter7-ProgrammableLogicControllers●Chapter8-ComputerControlSystems●Chapter9-C

2、omputerInterface●Chapter10-RealTimeControlPlatform●Chapter11-SstemsModelling●Chapter12-ServoControlTimeTableEndChapter0.IntroductionChapter0.INTRODUCTION0.1AUTOMATE,EMIGRATE,LEGISLATE,OREVAPORATE"Automate,emigrate,legislateorevaporate."Thiswasachoicemanymanufacturers.Somemanufacturerstriedtolowerpr

3、icesbyreducingmanufacturingcosts.Theyeitherautomatedoremigrated.Manycountrieslegislatedtradebarrierstokeephighquality,lowcostproductsout.Manufacturerswhodidnothing...disappeared,oftendespitetheirowngovernment'sprotectivetradebarriers.Manyconsumersstillchooseimportsoverdomesticproducts,butsomeNorthA

4、mericanmanufacturersarenowtryingmorethoughtfulmeasurestomeetthechallenge.Automationisatechniquethatcanbeusedtoreducecostsand/ortoimprovequality.Automationcanincreasemanufacturingspeed,whilereducingcost.Automationcanleadtoproductshavingconsistentquality,perhapsevenconsistentlygoodquality.Somemanufac

5、turerswhoautomatedsurvived.Othersdidn't.Theoneswhosurvivedwerethosewhousedautomationtoimprovequality.Itoftenhappenedthatimprovingqualityledtoreducedcosts.0.2THEENVIRONMENTFORAUTOMATIONAutomation,thesubjectofthistextbook,isnotamagicsolutiontofinancialproblems.Itis,however,avaluabletoolthatcanbeusedt

6、oimproveproductquality.Improvingproductquality,inturn,resultsinlowercosts.Producinginexpensive,highqualityproductsisagoodpolicyforanycompany.Butwheredoyoustart?Simplyconsideringanautomationprogramcanforceanorganizationtofaceproblemsitmightnototherwiseface:●Whatautomationandcontroltechnologyisavaila

7、ble?●Areemployeesreadyandwillingtousenewtechnology?●Whattechnologyshouldweuse?●Shouldthecurrentmanufacturingprocessbeimprovedbeforeautomation?●Shouldtheproductbeimprovedbeforespendingmillionsofdollarsacquir