This information is part of the Modelica Standard Library maintained by the Modelica Association.

Derivative

Approximated derivative block

Information
CONNECTORS
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NameTypeDescription
uRealInputConnector of Real input signal
yRealOutputConnector of Real output signal
PARAMETERS
NameTypeDefault ValueDescription
kReal1Gains
TTime0.01Time constants (T>0 required; T=0 is ideal derivative block)
initTypeInitModelica.Blocks.Types.Init.NoInitType of initialization (1: no init, 2: steady state, 3: initial state, 4: initial output)
x_startReal0Initial or guess value of state
y_startReal0Initial value of output (= state)
zeroGainBooleanabs(k) < Modelica.Constants.eps
USED IN COMPONENTS
Modelica.Blocks.Continuous.PID
PID-controller in additive description form
Modelica.Blocks.Continuous.LimPID
P, PI, PD, and PID controller with limited output, anti-windup compensation and setpoint weighting