LabVIEW Simulation Module

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daqmaster
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Joined: 27 Jun 2005
Posts: 385

Posted: Wed Apr 19, 2006 9:44 am Post subject: LabVIEW Simulation Module

Contents:
An excellent LabVIEW trainer may be found here.

It is called LabVIEW Simulation Module for LabVIEW 7.1. (LabVIEW is produced by National Instruments.) It is assumed that you have basic knowledge about LabVIEW programming.

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The LabVIEW Simulation Module is a block diagram based environment for simulation of linear and nonlinear continuous-time and discrete-time dynamic systems. Many simulation algorithms (i.e. numerical methods for solving the underlying differential equations) are available, e.g. various Runge-Kutta methods. The mathematical model to be simulated must be represented in a simulation loop, which in many ways is similar to the ordinary while loop in LabVIEW. You can make the simulation run as fast as the computer allows, or you can make it run with a real or scaled time axis, thus simulating real-time behaviour, with the possibility of the user to interact with the simulated process. The simulation loop can run in parallel with while loops within the same VI.

The introduction is based on examples downloadable via hyperlinks in the text. Only the basic functions are demonstrated. You can search for a function via the Help menu in LabVIEW or just browse for it on the Control Design palette in the Functions palette in LabVIEW. Chapter 2 of this document list all functions available in the Control Design Toolkit.

Trainer Outline:

1 Preface
2 The contents of the Simulation functions Palette
3 An illustrative example: Simulator of a transfer function model
3.1 Constructing the block diagram model
3.2 Configurating the simulation
4 Various topics
4.1 Exchanging data between Simulation loops and While loops
4.2 Converting models between Simulation Module and Control Design Toolkit
4.3 Representing state space models using integrators and Formula node
4.4 Creating subsystems
4.5 Getting a linearized model of a subsystem
4.6 Using program flow structures in a Simulation Loop
4.7 Translating SIMULINK models into LabVIEW Simulation models

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