Python control systems library
Python Control Systems Library
The Python Control Systems Library is a Python module that implements basic operations for analysis and design of feedback control systems.
- Linear input/output systems in state-space and frequency domain
- Block diagram algebra: serial, parallel, and feedback interconnections
- Time response: initial, step, impulse
- Frequency response: Bode and Nyquist plots
- Control analysis: stability, reachability, observability, stability margins
- Control design: eigenvalue placement, linear quadratic regulator
- Estimator design: linear quadratic estimator (Kalman filter)
The package requires numpy, scipy, and matplotlib. In addition, some routines use a module called slycot, that is a Python wrapper around some FORTRAN routines. Many parts of python-control will work without slycot, but some functionality is limited or absent, and installation of slycot is recommended (see below). Note that in order to install slycot, you will need a FORTRAN compiler on your machine. The Slycot wrapper can be found at:
Conda and conda-forge
The easiest way to get started with the Control Systems library is using Conda.
The Control Systems library has been packages for the conda-forge Conda channel, and as of Slycot version 0.3.4, binaries for that package are available for 64-bit Windows, OSX, and Linux.
To install both the Control Systems library and Slycot in an existing conda environment, run:
conda install -c conda-forge control slycot
To install using pip:
pip install slycot # optional; see below pip install control
If you install Slycot using pip you’ll need a development environment (e.g., Python development files, C and Fortran compilers).
To install in your home directory, use:
python setup.py install --user
To install for all users (on Linux or Mac OS):
python setup.py build sudo python setup.py install
You can check out the latest version of the source code with the command:
git clone https://github.com/python-control/python-control.git
You can run a set of unit tests to make sure that everything is working correctly. After installation, run:
python setup.py test
This is free software released under the terms of the BSD 3-Clause License. There is no warranty; not even for merchantability or fitness for a particular purpose. Consult LICENSE for copying conditions.
When code is modified or re-distributed, the LICENSE file should accompany the code or any subset of it, however small. As an alternative, the LICENSE text can be copied within files, if so desired.
Your contributions are welcome! Simply fork the GitHub repository and send a pull request.
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