Help in Identifying Simulink Block

2012 10 23
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Hello everyone,
I need help in identifying this Simulink block in the link below. I can't seem to find it in any of the Simulink blocks. It could be a custom block but I don't know which or where to start creating it. Can anyone point me to the right direction?
http://postimage.org/image/5yqrubqi9/
Thanks!

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Pedro Villena
Pedro Villena 2012-10-23
编辑：Pedro Villena 2012-11-8

2 个投票

Maybe:
  • tansig - Hyperbolic tangent sigmoid transfer function
  • elliotsig - Elliot symmetric sigmoid transfer function
  • Lookup Tables

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Joshua Jorel Lee
Joshua Jorel Lee 2012-10-24
Thank you! However, where can I find the elliotsig block?
Andreas Goser
Andreas Goser 2012-10-24
编辑：Andreas Goser 2012-10-24
Elliotsig is part of Neural Network Toolbox, but looks different (has an "E" top right corner)
Joshua Jorel Lee
Joshua Jorel Lee 2012-10-24
Thanks! But most likely, I'll be using the tansig function. Thanks!

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Andreas Goser
Andreas Goser 2012-10-23
编辑：Andreas Goser 2012-10-23

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Looks like the Saturation block in (standard) Simulink. In the Discontinuities sub library.

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Joshua Jorel Lee
Joshua Jorel Lee 2012-10-24
Thank you for your input. However, I don't think it's the saturation block since the edges are curved instead of straight. I tried resizing that block if it would give me a curved signal icon effect but to no avail.
Andreas Goser
Andreas Goser 2012-10-24
I was thinking you only have a screenshot... If you HAVE the block in a model, then this is easy: Click the context menu and select help and the documenentation of the block will open.
Joshua Jorel Lee
Joshua Jorel Lee 2012-10-24
I was experimenting on the different blocks in Simulink, I tried resizing the saturation block if it would look like the block I'm looking for but unfortunately, it's not it. I only have an image of that block from a thesis document, in which I'm trying to recreate. But thanks for the tips though! I'm new to Simulink and I'm currently doing this for my thesis.
Andreas Goser
Andreas Goser 2012-10-24
Got it now. It maybe clear from the context of the screenshot of a larger portion of the model.

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Sachin Ganjare
Sachin Ganjare 2012-10-24

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Going by the characteristics plotted in figure, I think it is a 'Hystresis' block.
If you are working electrical domain, then I think below link would be useful:
http://belmans.what-when-how.com/numerical-modelling-and-design-of-electrical-machines-and-devices/material-modelling-electrical-machine/
Hope it helps!!!

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