National-instruments PID Control Toolkit 371685C-01 Manuel d'utilisateur télécharger pdf (Page 4)

Contents

About This Manual

Conventions ...................................................................................................................vii

Related Documentation..................................................................................................vii

Chapter 1

Overview of the PID Control Toolkit

System Requirements ....................................................................................................1-1

Installation Instructions..................................................................................................1-1

Activation Instructions...................................................................................................1-2

PID Control Toolkit Applications..................................................................................1-2

PID Control....................................................................................................................1-3

Chapter 2

PID Algorithms

The PID Algorithm ........................................................................................................2-1

Implementing the PID Algorithm with the PID Functions .............................2-2

Gain Scheduling ..............................................................................................2-3

The Precise PID Algorithm............................................................................................2-4

Error Calculation .............................................................................................2-4

Proportional Action .........................................................................................2-4

Trapezoidal Integration ...................................................................................2-5

The Autotuning Algorithm ............................................................................................2-5

Tuning Formulas .............................................................................................2-6

Chapter 3

Using the PID Control Toolkit

Designing a Control Strategy.........................................................................................3-1

Setting Timing.................................................................................................3-1

Tuning Controllers Manually ..........................................................................3-2

Using the PID Library....................................................................................................3-4

PID Controller .................................................................................................3-4

Using PID with Autotuning.............................................................................3-6

Using PID with Gain Scheduling ....................................................................3-7

Using PID with Lead-Lag ...............................................................................3-8

Using PID with Setpoint Profiling ..................................................................3-8

Using Ramp Generators ..................................................................................3-9

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National-instruments PID Control Toolkit 371685C-01 Manuel d'utilisateur Page 4