The American Modelica Conference 2020 – September 22-24 – Going Virtual

Claytex sponsor and present at the virtual American Modelica Conference 2020.

The Modelica Conference, organised by the Modelica Association, is the main event for users, library developers, tool vendors and researchers to share their knowledge and learn about the latest scientific and industrial progress related to Modelica and to the Functional Mockup Interface (FMI).  The program will cover modeling of complex physical and cyber-physical systems, as well as tools, for a wide range of research and industrial applications. All contributions are peer-reviewed and selected by the Program Committee.

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Scope of conference

Modelica is a freely available, equation-based, object-oriented language for convenient and efficient modeling of complex, multi-domain cyber-physical systems described by ordinary differential, difference, and algebraic equations. The companion Modelica Standard Library has been utilized in demanding industrial applications, including full vehicle dynamics, power systems, robotics, hardware-in-the-loop simulations and embedded control systems.

The Functional Mockup Interface (FMI) is a freely available standard for the tool-independent exchange of models and for co-simulation. It is supported by many Modelica and non-Modelica tools and is the key to utilize Modelica models in non-Modelica environments.

Meet with Claytex

On our virtual stand, we will be showcasing our new range of Modelica Libraries including the complete VeSyMA suite of solutions, the Fluid Power Library and the MultiRun Tool.

User presentation – System application

Dymola and Simulink in Co-Simulation: A Vehicle Electronic Stability Control case study

Presentation abstract

Vehicle development processes have evolved in line with the evolution of vehicles themselves. As vehicles have become ever more complex, integrating electro-mechanical systems into the driving experience, Original Equipment Manufacturers (OEMs) by necessity have had to review and update development processes. Coupled with a desire to eliminate waste for efficiency reasonsOEMs have been driven to use simulation as a core element during development, where the modern vehicle is a classical multi-domain simulation problem. This presentation is a case study, using the Modelica VeSyMA – Suspensions library as a basis for full vehicle control systems development within Simulink, where the user wishes to take advantage of the individual benefits of Dymola and Simulink.

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A VeSyMA – Suspensions library slalom test configured for interfacing an external controller

Deploying models as FMUs using the FMI standard interface is a common solution to this; co-simulation enables models to be simulation environment agnostic. Whilst a robust answer to the question of how to deploy models across different simulation tools, it does present a new skill and another variable for users to understand. This case study offers insight with regards the effect of utilizing FMU deployment in such a multi-domain vehicle simulation task.  

In order to understand the effects of deploying VeSyMA based vehicle experiments outside Dymola, aElectronic Stability Control (ESC) experiment is presentedbenchmarked across both simulation platforms with and without control software in both Dymola and Simulink. An off the shelf vehicle slalom experiment is taken from the VeSyMA – Suspensions library and with minimal pre-processing, exported and deployed as an FMU within Simulink. A control model built in Simulink to the same specification as the one found within the VeSyMA – Suspensions library and is used to demonstrate the validity of the vehicle experiment model exported from Dymola when deployed in Simulink, with and without control algorithm presence. Commentary is given as to the effect of FMU deployment on CPU time and results. 

If you have any questions or to book a meeting, please do not hesitate to contact us.

Telephone: +44 1926 885900


All presentations will be pre-recorded and will be available to registered participants between the 22nd and 24th of September to watch at any time.
There will also be a live, virtual Q&A session, as well as live, virtual “Birds-of-a-feather” sessions, starting from 9 am US Mountain time.

Registration for participants is considerably reduced to $25 per person.

Please register soon to help the organisers plan the event!

All participants can interact with one another through a conference web-app using the Whova, exchange business cards and discuss Modelica-related topics. Once you register on Eventbrite, please also register on Whova to have access to the event web app. You need an event access code from the organisers, which you will get. The app can be accessed on your phone or in any browser.


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