MATLAB XPC TARGET RELEASE NOTES Uživatelský manuál stáhnout pdf (Strana 41)

Dymola 2013 FD01 Release notes 41

Finally, the resulting trajectories can be plotted and compared visually with the original

(non-FMU) simulation. Note that, since the imported model is flattened, the trajectory

names are somewhat different; e.g. J1.w becomes J1_w:

The blue trajectory is from the reference simulation and the red is from the co-simulation.

Note that the latter is rendered as constant between the sample points.

While this validation is ok for sample testing of a single model, this clearly becomes

infeasible for systematic validation of several trajectories.

The remedy is a new function

validateModelAsFMU, which automates the following

steps:

• Generation of reference trajectories.

• Exporting of the FMU.

• Importing of the FMU.

• Mapping of trajectories names to those of the original model.

• Numeric comparison of trajectories.

• Graphical HTML presentation of deviating trajectories in fashion similar to the plot

above.

Main features include:

• Using a default set of trajectories to compare or specifying it explicitly. The default it the

set of all state candidates.

• Choosing tolerance for the comparison.

• Optional generation of reference trajectories which is typically only needed once.

• Optional FMU export which might not be needed each time.

• Test of co-simulation or model exchange.

1 2 ... 36 37 38 39 40 41 42 43 44 45 46 ... 50 51

Žádné komentáře

MATLAB XPC TARGET RELEASE NOTES Uživatelský manuál Strana 41