Tutorial-13721-eletronica de potencia - multisim

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Document Type: Tutorial
NI Supported: Yes
Publish Date: Feb 06, 2012

How to Design and Simulate a Brushed DC Motor H-Bridge Circuit Using NI Multisim and LabVIEW
Overview
With NI Multisim 12.0, you can implement the desktop simulation of your entire analog and digital system before prototyping. Digital FPGA controller logic and closed-loop simulation of transistor-level power electronics components are now possible using the Multisim/LabVIEW cosimulation feature. This tutorial shows how you can use Multisim and LabVIEW 2011 to develop the analog circuit design and digital control blocks of a brushed DC motor H-bridge circuit. In this article, learn how to use the electromechanical, power electronics, and sensor feedback blocks (new in
Multisim 12.0) to create a closed-loop control system. LabVIEW FPGA IP core development and debugging are briefly described as well. Cosimulation enables codesign of an entire system to ensure algorithms and code simulated for the FPGA in LabVIEW are verified for performance with analog circuitry and can be directly implemented in hardware with minimal changes. With the improved Multisim design approach powered by simulation, you can obtain a more accurate understanding of performance earlier in the design flow. The result of this is a reduction in prototype iterations (up to three saved PCB turns) and accurate embedded code with fewer compiles (saving as much as four hours per compile).
Table of Contents
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Software and Hardware Requirements
Introduction
Technical Background Documentation
Design Procedure
LabVIEW FPGA IP Cores
Complete System Architecture
Conclusion
References

Software and Hardware Requirements
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Multisim 12.0
LabVIEW 2011
LabVIEW 2011 Control Design and Simulation Module
LabVIEW 2011 FPGA Module
CompactRIO (optional for hardware implementation)

Introduction
With system-level simulation, you can implement point-by-point simulation

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