Simulating OpAmp in Simulink: Error Fix Needed

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SUMMARY

The discussion focuses on simulating an operational amplifier (OpAmp) in Simulink, specifically within the SimPowerSystems toolbox. The user reports difficulties in locating a functional OpAmp block and instead attempts to create an equivalent using voltage measurements, an adder block, gain, and saturation blocks. Despite these efforts, the user encounters simulation errors and seeks assistance for resolution.

PREREQUISITES
  • Familiarity with Simulink and its interface
  • Understanding of operational amplifier principles
  • Knowledge of SimPowerSystems toolbox functionalities
  • Experience with signal processing blocks in Simulink
NEXT STEPS
  • Research how to create custom blocks in Simulink for OpAmp simulations
  • Learn about troubleshooting simulation errors in SimPowerSystems
  • Explore the use of gain and saturation blocks in signal processing
  • Investigate alternative methods for simulating OpAmps in Simulink
USEFUL FOR

Electrical engineers, students in electronics courses, and anyone involved in simulating analog circuits using Simulink.

jean28
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Homework Statement



I need to simulate an OpAmp in Simulink but I can't seem to find an OpAmp block that works in SimPowerSystems, so I kept searching and found out sort of an equivalent. However, the simulation still gives me an error. I would highly appreciate if anyone could tell me what I could do to fix it.



The Attempt at a Solution



Here is what I have so far:

http://i1226.photobucket.com/albums/ee410/jean28x/Projecto2.jpg
 
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The OpAmp equivalent is the part where I put the two voltage measurements followed by the adder block, and then the gain and saturation blocks.
 

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