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 Register and download
To download the CRONE Toolbox, you are kindly requested to register with your professional email address. Your email wont be used for any commercial or spamming purposes. Once your account is validated by the webmaster (within 24 hours) you will be able to download both versions of the CRONE Toolbox. If a bug makes that you didn't receive a confirmation email 1 or 2 days after your registration, try to login by using with the password you declared

Due to a huge number of unfair registrations, the user forum is out of order. If you would like to submit any suggestion, bug report, ... we recommend you to send an email to CRONE group members


 License agreement
Copyright (c) 1996, 1998, 2000, Agence de Protection de Programmes (APP)
All rights reserved.

Use in binary forms, with or without modification, is permitted provided that the following conditions are met:

* Redistribution of the CRONE (R) Toolbox is not permitted.
* Congress and Journal Publications using CRONE Toolbox scripts must mention the CRONE Toolbox.
* No critical observations are allowed outside the user forum and without specific prior written permission.
* Neither the name of the CRONE group nor the names of its contributors may be used to endorse or promote products derived from this software without specific prior written permission.

THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE CRONE GROUP AND CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

CRONE Toolbox End User License Agreement.
Ver. 1.0. September 2010.




 CRONE Toolbox
The CRONE (R) Toolbox, developed by the CRONE research group, is a Matlab and Simulink Toolbox dedicated to fractional calculus. The original theoretical and mathematical concepts, developed in the group, are used in the toolbox. During the last ten years, the CRONE Toolbox has been used by industrial partners in many applications.

The last two decades have witnessed a growing interest in fractional derivatives and their applications. The aim of the CRONE group is to share its developments and its knowledge with scientists, researchers, and engineers world wide.

For any specific developments, the CRONE group welcomes all collaborations.
The CRONE group members are also ready to visit you for giving tutorial lectures with practice. Don't be shy, contact us ;)

A classical version of the toolbox has a Guided User Interface (GUI) and contains three main modules:
- The ``Mathematical module'' implements several algorithms for fractional calculus.
- The ``system-identification module'' extends the common system-identification frequency and time domain tools to fractional order models.
- The ``CRONE Control-System Design'' module uses fractional orders as high-level design parameters in order to make easy the design of robust control-systems. The 3 generations of the CRONE methodology are proposed. It deals with SISO systems and controllers but could also be used to design decentralized controllers for MIMO systems with a MIMO Multi-SISO approach. The beta MIMO version of the CRONE CSD Matlab toolbox is not currently available.

An object oriented version of the toolbox is currently being developed. It contains multiple scripts and allows many enhancements related to object oriented programming:
- Overloading of basic operators $(+, -, *, .*, /, ./, ... )$
- Overloading of standard Matlab scripts (lsim, bode, nichols, ...) for the new classes.
As a consequence, an end user familiar with standard Matlab operators and scripts can use straightforwardly the CRONE toolbox.

Both classical and object oriented CRONE Toolboxes can be downloaded.

Welcome abroad the CRONE Toolbox Airlines.




 
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