[SciPy-Dev] ltisys.py

Roberto Bucher roberto.bucher@supsi...
Sat Aug 21 13:00:01 CDT 2010


I'm working on a control system toolbox for python. In particular I've modified 
some functions of the control system toolbox developed by Richard Murray and I 
added some new functions.  The first problem is related to the modul ltisys.py 
that I modified for handling:
- MIMO systems (state-space only)
- Sampling Time for discrete time system

I've done other modifications to different modul of Richard, who is in CC:
- matlab.py
- statesp.py
- xferfcn.py
 in order to implement the following new functions in my yottalab.py modul:
- c2d (zoh+bilinear)
- d2c (zoh+bilinear)
- dare - discrete riccati solution
- care - continous riccati solution
- dlqr - discrete linear quadratic regulator
- ctrb - controllability matrix
- acker - ackerman pole placement
- minreal - minimal state space representation
- dcgain steady state gain for both continous and discrete time systems
- tf (casting function)
- ss (casting function)

The modified files can be downloaded from my homepage 
in the python section, but I want to see how I can contribute to put the 
modifications in the main Scipy distribution.

Best regards

Roberto

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University of Applied Sciences of Southern Switzerland
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http://web.dti.supsi.ch/~bucher


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