National-instruments PID Control Toolkit 371685C-01 Manual do Utilizador Página 1

LabWindowsTM/CVITMPID Control Toolkit User ManualLabWindows/CVI PID Control Toolkit User ManualMay 2008371685C-01

© National Instruments Corporation 2-1 LabWindows/CVI PID Control Toolkit User Manual2PID AlgorithmsThis chapter explains the fast PID, precise PID, a

Chapter 2 PID AlgorithmsLabWindows/CVI PID Control Toolkit User Manual 2-2 ni.comImplementing the PID Algorithm with the PID FunctionsThis section des

Chapter 2 PID Algorithms© National Instruments Corporation 2-3 LabWindows/CVI PID Control Toolkit User ManualOutput LimitingThe actual controller outp

Chapter 2 PID AlgorithmsLabWindows/CVI PID Control Toolkit User Manual 2-4 ni.comThe Precise PID AlgorithmThis section describes how the PID Control T

Chapter 2 PID Algorithms© National Instruments Corporation 2-5 LabWindows/CVI PID Control Toolkit User ManualTrapezoidal IntegrationTrapezoidal integr

Chapter 2 PID AlgorithmsLabWindows/CVI PID Control Toolkit User Manual 2-6 ni.comFigure 2-2 illustrates the autotuning procedure excited by the setpoi

Chapter 2 PID Algorithms© National Instruments Corporation 2-7 LabWindows/CVI PID Control Toolkit User ManualTable 2-2. Tuning Formula under P-Only C

Chapter 2 PID AlgorithmsLabWindows/CVI PID Control Toolkit User Manual 2-8 ni.comNote During tuning, the process remains under closed-loop PID control

© National Instruments Corporation 3-1 LabWindows/CVI PID Control Toolkit User Manual3Using the PID Control ToolkitThis chapter contains the basic inf

Chapter 3 Using the PID Control ToolkitLabWindows/CVI PID Control Toolkit User Manual 3-2 ni.comTuning Controllers ManuallyThe following controller tu

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Chapter 3 Using the PID Control Toolkit© National Instruments Corporation 3-3 LabWindows/CVI PID Control Toolkit User ManualOpen-Loop (Step Test) Tuni

Chapter 3 Using the PID Control ToolkitLabWindows/CVI PID Control Toolkit User Manual 3-4 ni.comUsing the PID LibraryThe following sections describe h

Chapter 3 Using the PID Control Toolkit© National Instruments Corporation 3-5 LabWindows/CVI PID Control Toolkit User ManualThe fast PID algorithm is

Chapter 3 Using the PID Control ToolkitLabWindows/CVI PID Control Toolkit User Manual 3-6 ni.comUsing PID with AutotuningYou can use autotuning to imp

Chapter 3 Using the PID Control Toolkit© National Instruments Corporation 3-7 LabWindows/CVI PID Control Toolkit User ManualIf you are using LabWindow

Chapter 3 Using the PID Control ToolkitLabWindows/CVI PID Control Toolkit User Manual 3-8 ni.comUsing PID with Lead-LagThe lead-lag compensator uses a

Chapter 3 Using the PID Control Toolkit© National Instruments Corporation 3-9 LabWindows/CVI PID Control Toolkit User ManualYou can use the setpoint p

Chapter 3 Using the PID Control ToolkitLabWindows/CVI PID Control Toolkit User Manual 3-10 ni.comvalue of 1 produces an output of 10 for a difference

Chapter 3 Using the PID Control Toolkit© National Instruments Corporation 3-11 LabWindows/CVI PID Control Toolkit User ManualThe control loops can be

© National Instruments Corporation A-1 LabWindows/CVI PID Control Toolkit User ManualAReferencesThe Instrument Society of America (ISA), the organizat

Important InformationWarrantyThe media on which you receive National Instruments software are warranted not to fail to execute programming instructio

© National Instruments Corporation B-1 LabWindows/CVI PID Control Toolkit User ManualBTechnical Support and Professional ServicesVisit the following s

Appendix B Technical Support and Professional ServicesLabWindows/CVI PID Control Toolkit User Manual B-2 ni.comIf you searched ni.com and could not fi

© National Instruments Corporation G-1 LabWindows/CVI PID Control Toolkit User ManualGlossaryAalgorithm A prescribed set of well-defined rules or proc

GlossaryLabWindows/CVI PID Control Toolkit User Manual G-2 ni.comDdamping The progressive reduction or suppression of oscillation in a device or syste

Glossary© National Instruments Corporation G-3 LabWindows/CVI PID Control Toolkit User ManualIInstrument Society of America (ISA)The organization that

GlossaryLabWindows/CVI PID Control Toolkit User Manual G-4 ni.comOoutput limiting Preventing a controller’s output from traveling beyond a desired max

Glossary© National Instruments Corporation G-5 LabWindows/CVI PID Control Toolkit User ManualRramp The total (transient plus steady-state) time respon

© National Instruments Corporation I-1 LabWindows/CVI PID Control Toolkit User ManualIndexAapplications, 1-3autotuning, 3-6classic, 3-6procedure, 3-6w

IndexLabWindows/CVI PID Control Toolkit User Manual I-2 ni.comIinstallation instructions, 1-1instrument drivers (NI resources), B-1integral action, 2-

Index© National Instruments Corporation I-3 LabWindows/CVI PID Control Toolkit User ManualSsetpoint, 1-3relay experiment, 2-6software (NI resources),

© National Instruments Corporation v LabWindows/CVI PID Control Toolkit User ManualContentsAbout This ManualConventions ...

ContentsLabWindows/CVI PID Control Toolkit User Manual vi ni.comConverting between Percentage of Full Scale and Engineering Units ... 3-9Using

© National Instruments Corporation vii LabWindows/CVI PID Control Toolkit User ManualAbout This ManualThe LabWindows/CVI PID Control Toolkit User Manu

© National Instruments Corporation 1-1 LabWindows/CVI PID Control Toolkit User Manual1Overview of the PID Control ToolkitThis chapter describes how to

Chapter 1 Overview of the PID Control ToolkitLabWindows/CVI PID Control Toolkit User Manual 1-2 ni.comActivation InstructionsThe first time you launch

Chapter 1 Overview of the PID Control Toolkit© National Instruments Corporation 1-3 LabWindows/CVI PID Control Toolkit User ManualPID ControlCurrently