National Instruments 371685C-01 User Manual

Index

LabWindows/CVI PID Control Toolkit User Manual

I-2

ni.com

I

installation instructions, 1-1
instrument drivers (NI resources), B-1
integral action, 2-1
integral time, 2-1

K

KnowledgeBase, B-1

L

lag compensation, 3-8
lead compensation, 3-8
lead-lag compensator, 3-8

N

National Instruments support and

Nichols, N.B., A-1
nonlinear adjustment of integral

action, 2-2, 2-5

O

open-loop tuning procedure, 3-3
output limiting, 2-3
output rate limiting, 3-5

P

partial derivative action, 2-2
percentage of full scale, converting from

engineering units, 3-9

PID algorithm, 2-1 to 2 -3

autotuning algorithm, 2-5 to 2 -8
calculating controller action, 2-1

controller output, 2-2
error calculation, 2-2

nonlinear adjustment of integral

output limiting, 2-3
partial derivative action, 2-2
proportional action, 2-2
trapezoidal integration, 2-2

gain scheduling, 2-3

PID controller, 1-3

typical use, 3-4

PID Library, 3-4
pidAttrAlgorithm, 3-4
pidAttrLimitOutputRate, 3-5
pidAttrUseInternalTimer, 3-1
pidGSAttrGainScheduleCriteria, 3-7
precise PID algorithm, 2-4, 3-4

calculating controller action

nonlinear adjustment of integral

proportional action, 2-4
trapezoidal integration, 2-5

error calculation, 2-4
proportional action, 2-4
trapezoidal integration, 2-5

process variable, 1-3
programming examples (NI resources), B-1
proportional action, 2-2

precise PID algorithm, 2-4

R

rate time, 2-1
real-time targets, using PID on, 3-10
related documentation, vii
requirements, system, 1-1
reset time, 2-1