blockFirstOrderHold

First order hold of a sampled-data system

Information

Block that outputs the extrapolation through the values of the last two sampled input signals.

Parameters

TypeNameDefaultDescription
RealsamplePeriodSample period of component

Connectors

TypeNameDefaultDescription
Buildings.Controls.OBC.CDL.Interfaces.RealInputuInput signal to be sampled
Buildings.Controls.OBC.CDL.Interfaces.RealOutputyFirst order hold of input signal

Revisions

  • November 12, 2020, by Michael Wetter:
    Reformulated to remove dependency to Modelica.Units.SI.
    This is for Buildings, issue 2243.
  • October 19, 2020, by Michael Wetter:
    Refactored implementation.
    This is for Buildings, issue 2170.
  • March 2, 2020, by Michael Wetter:
    Changed icon to display dynamically the output value.
  • September 14, 2017, by Michael Wetter:
    Removed parameter startTime to allow model to work also for negative start time without having to change the value of this parameters.
    This is for Buildings, issue 938.
  • January 3, 2017, by Michael Wetter:
    First implementation, based on the implementation of the Modelica Standard Library.