ModelicaAdditions.Blocks.Discrete.Interfaces

ModelicaAdditions.Blocks.Discrete.Interfaces.DiscreteMIMOs

Information

Block has a continuous input and a continuous output signal vector where the signal sizes of the input and output vector are identical. These signals are sampled due to the defined samplePeriod parameter.

Parameters

Name	Default	Description
n	1	Number of inputs (= number of outputs)
samplePeriod	0.1	Sample period of component [s]
startTime	0	First sample time instant [s]

Modelica definition

partial block DiscreteMIMOs 
  "Multiple Input Multiple Output discrete control block" 
  parameter Integer n=1 "Number of inputs (= number of outputs)";
  extends DiscreteBlock;
  discrete output Real u[n] "Sampled input signals";
  discrete output Real y[n] "Sampled output signals";
  
  Modelica.Blocks.Interfaces.InPort inPort(final n=n) 
    "Connector with input signals of type Real";
  Modelica.Blocks.Interfaces.OutPort outPort(final n=n) 
    "Connector with output signals of type Real";
equation 
  when sampleTrigger then
    u = inPort.signal;
  end when;
  outPort.signal = y;
end DiscreteMIMOs;

ModelicaAdditions.Blocks.Discrete.Interfaces.DiscreteSISO

Parameters

Name	Default	Description
samplePeriod	0.1	Sample period of component [s]
startTime	0	First sample time instant [s]

Modelica definition

partial block DiscreteSISO 
  "Single Input Single Output discrete control block" 
  
  extends DiscreteBlock;
  discrete output Real u "sampled input signal";
  discrete output Real y "sampled output signal";
  
  Modelica.Blocks.Interfaces.InPort inPort(final n=1) 
    "Connector with an input signal of type Real";
  Modelica.Blocks.Interfaces.OutPort outPort(final n=1) 
    "Connector with an output signal of type Real";
equation 
  when sampleTrigger then
    u = inPort.signal[1];
  end when;
  y = outPort.signal[1];
end DiscreteSISO;

ModelicaAdditions.Blocks.Discrete.Interfaces.DiscreteMIMO

Information

Block has a continuous input and a continuous output signal vector which are sampled due to the defined samplePeriod parameter.

Parameters

Name	Default	Description
samplePeriod	0.1	Sample period of component [s]
startTime	0	First sample time instant [s]
nin	1	Number of inputs
nout	1	Number of outputs

Modelica definition

partial block DiscreteMIMO 
  "Multiple Input Multiple Output discrete control block" 
  
  extends DiscreteBlock;
  parameter Integer nin=1 "Number of inputs";
  parameter Integer nout=1 "Number of outputs";
  discrete output Real u[nin] "Sampled input signals";
  discrete output Real y[nout] "Sampled output signals";
  
  Modelica.Blocks.Interfaces.InPort inPort(final n=nin) 
    "Connector with input signals of type Real";
  Modelica.Blocks.Interfaces.OutPort outPort(final n=nout) 
    "Connector with output signals of type Real";
equation 
  when sampleTrigger then
    u = inPort.signal;
  end when;
  y = outPort.signal;
end DiscreteMIMO;

ModelicaAdditions.Blocks.Discrete.Interfaces.DiscreteBlockIcon

Modelica definition

partial block DiscreteBlockIcon 
  "Graphical layout of discrete block component icon" end 
  DiscreteBlockIcon;

ModelicaAdditions.Blocks.Discrete.Interfaces.DiscreteBlock

Parameters

Name	Default	Description
samplePeriod	0.1	Sample period of component [s]
startTime	0	First sample time instant [s]

Modelica definition

partial block DiscreteBlock "Base class of discrete control blocks" 
  extends DiscreteBlockIcon;
  
  parameter SIunits.Time samplePeriod(min=100*Modelica.Constants.eps) = 0.1 
    "Sample period of component";
  parameter SIunits.Time startTime=0 "First sample time instant";
  output Boolean sampleTrigger "True, if sample time instant";
  output Boolean firstTrigger 
    "Rising edge signals first sample instant";
equation 
  sampleTrigger = sample(startTime, samplePeriod);
  when sampleTrigger then
    firstTrigger = time <= startTime + samplePeriod/2;
  end when;
end DiscreteBlock;

ModelicaAdditions.Blocks.Discrete.Interfaces.SVdiscrete

Parameters

Name	Default	Description
samplePeriod	0.1	Sample period of component [s]
startTime	0	First sample time instant [s]

Modelica definition

partial block SVdiscrete "Discrete Single-Variable controller" 
  extends DiscreteBlock;
  discrete output Real u_s "Sampled, scalar setpoint input signal";
  discrete output Real u_m 
    "Sampled, scalar measurement input signal";
  discrete output Real y "Scalar actuator output signal";
  
  Sampler sampler_s(
    final n=1, 
    final samplePeriod=samplePeriod, 
    final startTime=startTime);
  Sampler sampler_m(
    final n=1, 
    final samplePeriod=samplePeriod, 
    final startTime=startTime);
  Modelica.Blocks.Interfaces.InPort inPort_s(final n=1) 
    "Connector of setpoint input signal";
  Modelica.Blocks.Interfaces.InPort inPort_m(final n=1) 
    "Connector of measurement input signal";
  Modelica.Blocks.Interfaces.OutPort outPort(final n=1) 
    "Connector of actuator output signal";
equation 
  connect(inPort_s, sampler_s.inPort);
  connect(inPort_m, sampler_m.inPort);
  u_s = sampler_s.u[1];
  u_m = sampler_m.u[1];
  y = outPort.signal[1];
end SVdiscrete;

ModelicaAdditions.Blocks.Discrete.Interfaces.MVdiscrete

Parameters

Name	Default	Description
samplePeriod	0.1	Sample period of component [s]
startTime	0	First sample time instant [s]
nu_s	1	Number of setpoint inputs
nu_m	1	Number of measurement inputs
ny	1	Number of actuator outputs

Modelica definition

partial block MVdiscrete "Discrete Multi-Variable controller" 
  extends DiscreteBlock;
  parameter Integer nu_s=1 "Number of setpoint inputs";
  parameter Integer nu_m=1 "Number of measurement inputs";
  parameter Integer ny=1 "Number of actuator outputs";
  discrete output Real u_s[nu_s] "Sampled setpoint input signals";
  discrete output Real u_m[nu_m] "Sampled measurement input signals"
    ;
  discrete output Real y[ny] "Actuator output signals";
  
  Sampler sampler_s(
    final n=nu_s, 
    final samplePeriod=samplePeriod, 
    final startTime=startTime);
  Sampler sampler_m(
    final n=nu_m, 
    final samplePeriod=samplePeriod, 
    final startTime=startTime);
  Modelica.Blocks.Interfaces.InPort inPort_s(final n=nu_s) 
    "Connector of setpoint input signals";
  Modelica.Blocks.Interfaces.InPort inPort_m(final n=nu_m) 
    "Connector of measurement input signals";
  Modelica.Blocks.Interfaces.OutPort outPort(final n=ny) 
    "Connector of actuator output signals";
equation 
  connect(inPort_s, sampler_s.inPort);
  connect(inPort_m, sampler_m.inPort);
  u_s = sampler_s.u;
  u_m = sampler_m.u;
  y = outPort.signal;
end MVdiscrete;