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How to use Simulink to solve for Piezoelectric Transducer?

21 vues (au cours des 30 derniers jours)
Jake Rabinowitz
Jake Rabinowitz le 9 Nov 2016
Commenté : abbas le 14 Déc 2023
Hello all,
I am trying to set up a simple Simulink environment to simulate the output voltage of a piezoelectric stack in response to incident acoustic radiation. I wanted to verify the setup by running the simulation at a single incident force. I have fully defined my piezo stack based on material values, such that there are no variables in the system (confirmed via findVars command). However, when I attempt to run the simulation, I receive a "number of variables exceeds number of equations" error. I suspect that it is because the system does not have any equations to solve, but I was under the impression that these equations were built into the relevant blocks. Thus, I am now stuck.
I have attached a screenshot of the setup (I was not permitted to attach the file; I am happy to send to any prospective helpers). Any advice would be greatly appreciated, as I have only limited Simulink experience.
Thanks, Jake
  3 commentaires
KARTHIKEYAN SARAVANAN
KARTHIKEYAN SARAVANAN le 21 Déc 2022
can you share simulink file to my mail id karthikeyanthyristorfamily@gmail.com
abbas
abbas le 14 Déc 2023
greetings sir
kindly email me your simulink file please Email: abbskhan889@gmail.com

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Réponses (1)

Hari Desanur
Hari Desanur le 14 Nov 2016
In your model, you will have to add domain reference blocks. An electrical reference block to the blue colored connection and a mechanical reference block to the green colored connection.
By replacing the 'constant' block with a 'step' function block, I did not see any errors.
  1 commentaire
Kyatham Harikrishna
Kyatham Harikrishna le 13 Mar 2018
good evening sir,
if you attach the Simulink file in this it will be helpful for our project purpose
thank you

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