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Recently I started to learn to use maplesim. I wanted to set up a feedback system which is used to control the speed of DC motor. I don't know how to build it. Please give me some advice. I really appreciate your help.


I want to create a linearied model for a single or multi degree of freedom vibration system by MapleSim. i faced a lot of problem such as causalize ports, i search the user manual but i didn't find it useful. i attach a very simply one degree of freedom vibration system. i wondering if every one create a linearized model for it. my final goal is governing the equation and determine the natural frequency with nyquist plots. i have mapleSim 6.2 and Maple 17. Thanks




As i asked at title; i want to determine natural frequency of a single or multi degree of freedom vibration system using MapleSim. but i can't and i don't know how i can do it. can every one help me plz?؟؟؟

MapleSim 6.4 includes more powerful tools for creating custom components, performance enhancements, and enhancements to the model generators for Simulink® and FMI. 

We have also made important updates to the MapleSim Control Design Toolbox. This toolbox now offers a more complete set of algorithms for PID control, new commands for computing closed-loop transfer functions, and numerous improvements to existing commands. These enhancements allow engineers to design a greater variety of controllers and controller-observer systems while taking advantage of the greater flexibility and analysis options available through the use of symbolic parameters. 

See What’s New in MapleSim 6.4 and What’s New in the MapleSim Control Design Toolbox for details.



After simulate the model of MapleSim, I can only know the curve of where I need to know about. I need the specific parameter(each point value), like a piece of sheet. How I can put it of in an Excel of Word?


Is MapleSim 6.1 fully Modelica 3.1 compliant? If not, which features does it miss for the moment?

Lookup tables? (modelica ones, not maplesim's)

Thank you very much

Do you want to use both Simulink® and MapleSim in your tool chain? If so, we have a free upcoming webinar today at 2 pm EST that might be helpful to you!

In this webinar, Application Engineer Bonnie Yue will demonstrate:

- How to quickly develop and optimize engineering system models in MapleSim, then use the MapleSim Connector to automatically convert them into S-Function blocks for seamless inclusion in Simulink® diagrams.
- How to export MapleSim models to Simulink®, including models with custom components.

To join us for this live webinar, please visit:

We hope to see you there!

Simulink® is a registered trademark of The MathWorks, Inc..

Maplesoft is holding its first ever Virtual User Summit on Feb. 27.  You’ll be able to watch presentations by both Maplesoft and Maplesoft customers, ask questions, have discussions in the lounge with other attendees, and even enter a draw, all from the comfort of your own home or office.

Here’s the agenda.  We’ll release more detailed information on speakers and session times in the next couple of weeks.

For more information and to register:  Maplesoft Virtual User Conference

We're looking forward to seeing you there. (Well, "seeing you" :-))


Hi MaplePrimers!

I have a simulation in MapleSIM, exported as a compiled procedure in maple using -LinkModel(), and -GetCompiledProc.

I'm trying to do parameter estimation on my MapleSIM model.  Within a optimization scheme, I call the MapleSIM model, and it will output a curve.  Using a least squares method, I compare this measurements to synthetic experimental data (I know the actual values), and generate an objective function.  The optimization algorithm will try different parameter values, and try to minimze the objective function.  When the curves are exactly the same, the objective function will be zero.

The problem I am having is certain parameter sets will cause the model to require very small steps.  I wish to put a timeout on these experiments, because speed is important.  However, I would also like to see the results up to the point of requiring very small steps.  For timeout, I was using code along the lines of:

out:= timelimit(30,cProc(params = PData)); #simulate with 30s limit

where PData are the parameter guessses, and cProc is the compiled MapleSim model.

I would like 'out' to be assigned whatever the results were after 30 seconds, even if the model had not finished integrating.


Thanks in advance for any help!


Does Maplesim allow hardware integration such as a joystick so that I can feed in joystick commands (via USB or serial) from the computer and then control my Maplesim model in the virtual space? Suggestions?


Thank you.


I'm currently working on a manipulator model in Maplesim and will import CAD attachments to each of the links. The Solidworks model, once imported to Maplesim, is not located in the same position as the Maplesim part but is offset by X,Y,Z. The scaling is also off. Is there some way to align the CAD to the component instead of trial and error?

Thank you.


MapleSim 6.3 is now available...

December 06 2013 eithne 770 MapleSim

MapleSim 6.3 includes substantial improvements to the MapleSim simulation engine, resulting in faster model pre-processing times, more flexible code generation, and expanded support for Modelica-based custom components. 

For more information, see What’s New in MapleSim.




For some days, i no longer manage to open MapleSIM.

In fact, after double clicking on the shortcut, the software seems to be launched.

However, i can't open MapleSim on my screen. It seems that MapleSIM is only visible on the taskbars.

Maybe I have changed an option on my windows7.

I don't know.

Has somebody got a idea to help me ? so as to open my application normally ?

I attached a copy of my screen where you can see MapleSIM only in the taskbars.


Thank you for your help.



I study the model of crankshaft in MapleSim.

For the moment, i manage to plot different parameters function of the time. For exemple, the angle of the crank function of the time or the displacement of the slider function of the time.

But, i like to plot the displacement of the slider funtion of the angle of the crank.

Is it possible and how can i do this?

Thank you for your help.

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