Seth on Simulink
June 13th, 2008
Announcing SimElectronics!
In early April, our physical modeling team released a new
add-on for Simulink, SimElectronics.
SimElectronics extends Simscape
by adding tools for modeling electronics and electromechanical systems.
What is Simscape?
Simscape is a platform for physical modeling. Instead of
connecting together blocks that define the equations of your system, Simscape
and its add-on tools enable modeling and simulation of multidomain physical
systems, such as those with mechanical, hydraulic, and electrical components.
The connections between physical modeling elements are not signals, the
connections don’t represent data flow. They represent physical connections between things
like bodies and joints, or resistors and transistors.
What’s new with SimElectronics?
SimElectronics adds components for modeling electronics and
electromechanical systems.
- Includes semiconductors, actuators, sensors, and IC elements
- Includes the ability to simulate in PWM or Averaged mode to balance the level of
fidelity vs simulation speed
- Import SPICE net lists containing Transistors, JFET, diode, sources, and passive SPICE
components
I think it helps to look at the web demos to
understand what you might do with SimElectronics. These demos have great SVG
published models that you can explore. Start with this plant
model of a DC motor connected to a worm gear as part of a linear actuator.
This plant model might be your first step in developing a controller for such a
system.
(click for a WebView of the model)
Next, you might add an H-Bridge, a current controller, and a
speed controller for the linear actuator. Take a look at this plant
model with a controller.
(click for a WebView of the model)
This model would show that you have good controllers, but
notice the controllers consist of transfer function pre-filters and PI
controllers with Simulink integrator blocks. These controllers can now be
modeled using SimElectronics components. The final step in the series would be
a validation model
with the op-amps, resistors and capacitors that would implement the
controller you designed.
(click for a WebView of the model)
This model uses a 10 kHz PWM waveform to achieve a high fidelity simulation. Download a
trial of SimElectronics if you think this type of workflow would be useful
to you.
Video of SimElectronics in action
Steve Miller has made a video demo of Modeling
an Electromechanical System. I recommend watching this to get the
SimElectronics experience.
Now it’s your turn
Are you using the physical modeling tools? Have you tried
SimElectronics? Post a comment
here and tell us about it.
7:23 pm |
Posted in Modeling, What's new? |
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dear sir, tnx for ur very good helping,
I wanna exactly now from which release this new toolbox(simelectrinics) is add on and how I can install it on previous versions
thank u in advance
@mohsen - SimElectronics was released as part of R2008a+, and is only compatible with that release.
Dear Sir,
Thanks for your release.That was realy helpfull. Sir i have a little problem in connecting my simulink block to my GUI. In actual my requirement is to get data from my simulink in real time and plot it in real time on my GUI AXES. like on scope of simulink block. Please help me out.
Thanks in advance
Regards,
Bilal