EBSILON®Professional Online Documentation
With all controllers, a new mode of calculation with an improved integration of the control into the equation system has been implemented. In particular, problems occurring in the case of controls near the value 0 have been fixed.
The new mode of calculation is globally activated and deactivated, respectively, for all controllers in the model settings (simulationcontroller). In many cases it is possible to do without relaxations and dampings when using the new controller mode.
As in many cases controllers are the cause of convergence problems, controllers are often switched off first to analyze these problems. This had to be done individually for each controller. It is possible to carry out global settings for activating the controllers (refer to Release 8).
Activation of the controllers only from a certain iteration step on
Activation of the controllers only after reaching a certain degree of convergence
In any case, the activation of a controller will be effected only when this is also provided by the individual specifications at the controller. In particular, switched-off controllers will remain switched off.
A super cooling and overheating, respectively, can be specified as comparative value (actual value and target value). In the case of water-/steam pipes this value refers to the boiling temperature, in the case of humid air to the dew temperature.