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Block Diagram Model with continuous-time and dircrete-time parts.
Equation Model with linear differential equations and non-linear
if-statements.
Component model of an electrical system.
Mixed model with bond graph elements and block diagram elements.
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Models are entered and compiled in the 20-sim Editor. The Editor
is a versatile tool that helps you to enter models supporting
a wide variety of systems including linear, non-linear, discrete-time,
continuous-time and hybrid systems, without restricting the user
to a certain model representation. After entering and debugging,
the model can be checked and compiled. This is performed automatically
in the background, when opening the Simulator.
Model Representations
Systems can be modeled in 20-sim, using equations, state space
descriptions, bond graphs block diagrams, and components or iconic
diagrams. These descriptions can be fully coupled to create mixed
models.
Open Source
20-sim models are stored in files. The Windows Explorer is used
for library management. All 20-sim models are open! You can drag
and drop them from the Windows Explorer to the 20-sim Editor and
change them. You are allowed to store the original and changed
models in separate folders to create your own library of models.
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Drawing
The icon of every standard library model in 20-sim has been created
using a special drawing editor. You can use this editor to change
the standard library models or create your own library models.
You can enter text and add bitmap pictures in every level of
your model. With lines, arrows and other drawing objects you can
enhance the understanding of your model.
Hierarchical modeling
20-sim supports unlimited hierarchical modeling. The highest
levels consist of graphical models (state space models, block
diagrams, bond-graphs or components) and the lowest level is formed
by equations models.
Equations
The lowest level in a 20-sim model is formed by equations. Equations
in 20-sim follow the standard mathematical notation and can be
changed by the user. A large collection of linear, non-linear
scalar and matrix functions are available for the use in equations.
20-sim
- Editor - Simulator
- Library - 3D
Mechanics Toolbox -
Animation Toolbox - Control
Toolbox - Frequency Domain
Toolbox -
Mechatronics Toolbox - Code Generation
Toolbox - Time Domain
Toolbox
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