Guy on Simulink

Simulink & Model-Based Design

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How To Make Your Own Simulink Block 50

Posted by Seth Popinchalk,

Today I want to introduce a fundamental Simulink concept: masking a block.  Masking provides you with a way to put an interface on an algorithm.  This can centralize the system parameters for easier viewing, or hide the complexity from unintentional tampering by other users.  Masking can also be used to dress up your model... read more >>

Libraries in Simulink 26

Posted by Seth Popinchalk,

Have you ever noticed the same block constructs occurring repeatedly in your model?  Simulink libraries provide you with a way to capture the template for an algorithm, and then reuse that template all over your model.  For this post, I will to introduce the basic concepts of libraries, library blocks, and library links.... read more >>

Community Favorite Accelerators 5

Posted by Seth Popinchalk,

In a recent post, I kicked off the discussion of Simulink workflow accelerators. The comments for that post were a great look at ways people work with Simulink. The discussion reminded me of some tricks I had forgotten about, and I learned some new ones. Do you know what you... read more >>

What’s in your model? 6

Posted by Seth Popinchalk,

This morning I was telling my colleague Rob about the blog post I was writing on sample time colors. We talked about models that demonstrated the concept, and he dove into his computer to find an example he had made a couple years ago. I liked the model, so I asked... read more >>

Announcing SimElectronics! 7

Posted by Seth Popinchalk,

In early April, our physical modeling team released a new add-on for Simulink, SimElectronics.
SimElectronics extends Simscapeby adding tools for modeling electronics and electromechanical systems…. read more >>

The Simulink Central Community 5

Posted by Seth Popinchalk,

The MATLAB Central community covers a wide range of MathWorks products. After a quick glance, you might not guess there is a Simulink/Real-Time Workshop/Model-Based Design sub-culture, but there is, and I’m going to tell you I stay connected to it using the Simulink newsgroup.... read more >>

How to draw ODEs in Simulink 27

Posted by Seth Popinchalk,

I remember while learning Simulink, drawing ordinary differential equations was one of the early challenges. Eventually I discovered a few steps that make it easier. First, rewrite the equations as a system of first order derivatives. Second, add integrators to your model, and label their inputs and outputs. Third, connect... read more >>

These postings are the author's and don't necessarily represent the opinions of MathWorks.