WOLFRAM SYSTEM MODELER

Step

Generate step signal of type Real

Wolfram Language

In[1]:=
SystemModel["Modelica.Blocks.Sources.Step"]
Out[1]:=

Information

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

The Real output y is a step signal:

Step.png

Parameters (3)

offset

Value: 0

Type: Real

Description: Offset of output signal y

startTime

Value: 0

Type: Time (s)

Description: Output y = offset for time < startTime

height

Value: 1

Type: Real

Description: Height of step

Connectors (1)

y

Type: RealOutput

Description: Connector of Real output signal

Used in Examples (19)

Filter

Modelica.Blocks.Examples

Demonstrates the Continuous.Filter block with various options

FilterWithDifferentiation

Modelica.Blocks.Examples

Demonstrates the use of low pass filters to determine derivatives of filters

FilterWithRiseTime

Modelica.Blocks.Examples

Demonstrates to use the rise time instead of the cut-off frequency to define a filter

SlewRateLimiter

Modelica.Blocks.Examples

Demonstrate usage of Nonlinear.SlewRateLimiter

RealNetwork1

Modelica.Blocks.Examples

Demonstrates the usage of blocks from Modelica.Blocks.Math

ControlledMixingUnit

Modelica.Clocked.Examples.Systems

Simple example of a mixing unit where a (discretized) nonlinear inverse plant model is used as feedforward controller

EngineThrottleControl

Modelica.Clocked.Examples.Systems

Closed-loop throttle control synchronized to the crankshaft angle of an internal combustion engine

MixingUnitWithContinuousControl

Modelica.Clocked.Examples.Systems.Utilities.ComponentsMixingUnit

Simple example of a mixing unit where a (continuous) nonlinear inverse plant model is used as feedforward controller

Sample2

Modelica.Clocked.Examples.Elementary.RealSignals

Example of a Sample block with discontinuous Real input signals

Sample3

Modelica.Clocked.Examples.Elementary.RealSignals

Example of a Sample block for Real signals with direct feed-through in the continuous-time and the clocked partition

DCPM_CurrentControlled

Modelica.Electrical.Machines.Examples.DCMachines

Test example: DC with permanent magnet starting with current controller

CurrentControlledDCPM

Modelica.Electrical.Machines.Examples.ControlledDCDrives

Current controlled DC PM drive with H-bridge from battery

SpeedControlledDCPM

Modelica.Electrical.Machines.Examples.ControlledDCDrives

Speed controlled DC PM drive with H-bridge from battery

Friction

Modelica.Mechanics.Rotational.Examples

Drive train with clutch and brake

CoupledClutches

Modelica.Mechanics.Rotational.Examples

Drive train with 3 dynamically coupled clutches

LossyGearDemo3

Modelica.Mechanics.Rotational.Examples

Example that failed in the previous version of the LossyGear version

Brake

Modelica.Mechanics.Translational.Examples

Demonstrate braking of a translational moving mass

HeatingSystem

Modelica.Fluid.Examples

Simple model of a heating system

IncompressibleFluidNetwork

Modelica.Fluid.Examples

Multi-way connections of pipes and incompressible medium model