BuildSysPro.IBPSA.Obsolete.Controls.Continuous.Examples.PIDHysteresis

# .BuildSysPro.IBPSA.Obsolete.Controls.Continuous.Examples.PIDHysteresis

Example model for PID controller with hysteresis

## Information

Example that demonstrates the use of the PID controller with hysteresis. The control objective is to keep the temperature of the energy storage `cap` at 40°C. The controller `con` is parameterized to switch on if the control error is bigger than eon=1. The output of the controller remains above ymin=0.3 until the control error is smaller than eoff=-1, at which time the controller outputs y=0 until the control error is again bigger than 1. The figure below shows the control error `con.feeBac.y` and the control signal `con.y`.

## Revisions

- September 21, 2021, by Michael Wetter:
  Moved model to `IBPSA.Obsolete` package.
  This is for IBPSA, issue 1522.
- November 21, 2011, by Michael Wetter:
  Added documentation.

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