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New language tool allows reusable model designs

Posted: 13 Oct 2008 ?? ?Print Version ?Bookmark and Share

Keywords:fuel cell? power system? language tool?

Ver 3 of Simscape from The Mathworks integrates a new language that helps the users to design their own physical modelling components and libraries in the Simulink environment.

The language enables Simulink for modelling and simulating mechatronic and other multidomain physical systems employing a physical network or a causal modelling approach.

The tool is based on the Matlab language and helps engineers to produce reusable models of parts and systems for technologies like fuel cells, wind power systems and hybrid electric vehicles.

Simscape can be expanded to develop and share reusable models, which can increase the team's efficiency and improving communication systems.

With these common physical models, design teams can simulate system behavior more accurately, provide more robust control strategies, perform design tradeoffs and spot system performance errors early in the design process. Companies can explore more design options and help minimize the testing cost, as errors are found in simulation rather than requiring hardware prototypes.

The architecture of mechatronics systems means that engineers need simulation tools that span electrical, mechanical, hydraulic and other physical domains. Earlier, this included tools from multiple software vendors being connected in co-simulation. This could be time-consuming and require detailed background of the simulation techniques.

By combining Simscape with domain-specific physical modelling tools from The MathWorks (SimElectronics, SimMechanics, SimDriveline, SimHydraulics, and SimPowerSystems) designers have a single environment that draws away from the complex task of setting up co-simulation.

The models can be transformed to C code using Real-Time Workshop and the code used as a standalone executable, integrated into other simulation environments and implemented in real-time on hardware-in-the-loop systems.

It can be used to model custom systems such as electrohydraulic valves, electromechanical actuators, inverting op-amps and heat transfer in a DC motor.

For modelling, electrical components Simscape offers electrical building blocks for representing electrical components and circuits. At the same time, basic elements like resistors, capacitors, inductors, and more complex elements such as op-amps and transformers are also included. More elaborate electronic and electromechanical components are available in SimElectronics.

- Colin Holland
EE Times Europe

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