Professional VisSim – Rapid Application Development

A fast, simple to use tool for simulating control systems and other dynamic models, VisSim’s visual block diagram interface offers a simple method for constructing, modifying and maintaining complex system models. By allowing you to design, test and prototype systems in software, it saves costs, improves efficiency and gets you faster to market.

VisSim’s simulation engine provides fast and accurate solutions for linear, nonlinear, continuous time, discrete time, time varying and hybrid system designs. With VisSim, users can quickly develop software or “virtual” prototypes of systems or processes to demonstrate their behaviour prior to building physical prototypes. Built-in integration tools allow users to communicate seamlessly with MATLAB and Maple.

To build a system model, simply select pre-defined blocks from VisSim’s block library and “wire” (graphically connect on-screen) them into a diagram. Each block of the diagram performs a mathematical or input/output function. These “blocks” may represent complex algorithms, input variables, or various outputs like graphs, charts, plots or data files. You can also create custom blocks in C, Fortran or Pascal and add them to the VisSim block library. A VisSim/SIMULINK Translator allows SIMULINK users to import SIMULINK v.2, v.3, v.4 and v.5 block diagrams directly into VisSim.

After you have configured the model, just run the simulation and see the results displayed.

Once the behaviour of the system model is understood, often the next step is to develop a “software” controller that will control the behaviour of the model and eventually the physical system itself. In the above example, a motion control engineer developed a system model of an AC Induction Motor and then developed a “software” PID controller to control the torque, velocity and position of the motor.

VisSim product options include VisSim/Analyze, for frequency domain analysis, and VisSim/Real-Time, for real-time hardware-in-the-loop validation. The VisSim/C-Code add-on automatically generates ANSI C code for the model/controller/algorithm. The C code can be compiled and run on any platform that supports an ANSI C compiler.

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