That's not the one I was talking about. I'm talking about the Control Design 
Toolbox,

http://www.maplesoft.com/products/toolboxes/control_design/

That said, MapleSim is a symbolic tool that uses a numerical back-end to solve 
the system of DAEs. MapleSim uses graph theory to derive the set of equations 
symbolically. I know because the core of it was developed by people in my 
department. I was a system called DynaFlex that they built a more user-friendly 
UI and added new capabilities. The original version of DynaFlex was 
co-supervised by my PhD supervisor.

Cheers,

Tim.

---
Tim Lahey, Ph.D.
Post-Doctoral Fellow
Systems Design Engineering
University of Waterloo

On 2014-03-11, at 4:12 PM, Jason Moore <[email protected]> wrote:

> Looks like a numerical tool "MapleSim": 
> http://www.maplesoft.com/products/toolboxes/control_design/
> 
> 
> Jason
> moorepants.info
> +01 530-601-9791
> 
> 
> On Tue, Mar 11, 2014 at 4:10 PM, Tim Lahey <[email protected]> wrote:
> Maple has a symbolic control toolbox.
> 
> 
> On 2014-03-11, at 4:08 PM, Jason Moore <[email protected]> wrote:
> 
>> Maciej,
>> 
>> Why do you think this is appropriate for a CAS like SymPy? Most control work 
>> is done numerically, probably because most systems are such high order that 
>> symbolics become less useful. Are there even any commercial examples of 
>> symbolic control toolboxes? What is the ultimate utility of having one?
>> 
>> 
>> Jason
>> moorepants.info
>> +01 530-601-9791
>> 
>> 
>> On Mon, Mar 10, 2014 at 3:25 PM, Maciek Barański <[email protected]> wrote:
>> Hello everyone! I'm Maciej Barański, a student of Automatics and Robotics 
>> from University of Science and Technology in Cracov (AGH). 
>> I'd like to make a functionality for dealing with LTI systems, like 
>> linearization, getting output of the system, checking if the system is 
>> stable, controllable and observable, making feedback control and implement a 
>> linear kalman's filter. Is it a valid idea for GSOC project? I've seen 
>> http://www.mcs.anl.gov/~wozniak/papers/wozniak_mmath.pdf. 
>> 
>> My github account: https://github.com/getrox
>> My IRC nickname: getrox
>> 
>> I've made a pull request: https://github.com/sympy/sympy/pull/7254
>> 
>> Thank you
>> Maciej
>> 
>> 
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