WOLFRAM SYSTEMMODELER

Constant

Generate constant signal of type Real

Wolfram Language

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SystemModel["Modelica.Blocks.Sources.Constant"]
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Information

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

The Real output y is a constant signal:

Constant.png

Connectors (1)

y

Type: RealOutput

Description: Connector of Real output signal

Parameters (1)

k

Value:

Type: Real

Description: Constant output value

Used in Examples (32)

RealNetwork1

Demonstrates the usage of blocks from Modelica.Blocks.Math

UniformNoiseProperties

Demonstrates the computation of properties for uniformally distributed noise

NormalNoiseProperties

Demonstrates the computation of properties for normally distributed noise

Densities

Demonstrates how to compute distribution densities (= Probability Density Function)

Rectifier

B6 diode bridge

SMPM_CurrentSource

Test example: PermanentMagnetSynchronousInductionMachine fed by current source

SMPM_VoltageSource

Test example: PermanentMagnetSynchronousInductionMachine fed by FOC

SMEE_Rectifier

Test example: ElectricalExcitedSynchronousInductionMachine with rectifier

DCPM_Temperature

Test example: Investigate temperature dependency of a DCPM motor

TestSensors

ThyristorBridge2Pulse_DC_Drive

Two pulse Graetz thyristor bridge feeding a DC drive

ThyristorBridge2mPulse_DC_Drive

2*m pulse thyristor bridge feeding a DC drive

SeriesResonance

Series resonance circuit

ParallelResonance

Parallel resonance circuit

Transformer

Example of transformer with short circuit impedance, transmission resistances and load

SMPM_CurrentSource

Test example: PermanentMagnetSynchronousMachine fed by current source

SMR_CurrentSource

Test example: Synchronous reluctance machine fed by current source

ForceAndTorque

Demonstrate usage of ForceAndTorque element

HeatLosses

Demonstrate the modeling of heat losses

Friction

Drive train with clutch and brake

HeatLosses

Demonstrate the modeling of heat losses

SimpleGearShift

Simple Gearshift

SignConvention

Examples for the used sign conventions.

Accelerate

Use of model accelerate.

HeatLosses

Demonstrate the modeling of heat losses

SimpleCooling

Example: simple cooling circuit

ParallelCooling

Example: cooling circuit with parallel branches

IndirectCooling

Example: indirect cooling circuit

PumpAndValve

Example: cooling circuit with pump and valve

PumpDropOut

Example: cooling circuit with drop out of pump

ParallelPumpDropOut

Example: cooling circuit with parallel branches and drop out of pump

Motor

Second order thermal model of a motor

Used in Components (28)

MotorWithCurrentControl

Synchronous induction machine with current controller and measurement noise

LimPID

P, PI, PD, and PID controller with limited output, anti-windup compensation and setpoint weighting

Potentiometer

Adjustable resistor

RotorDisplacementAngle

Rotor lagging angle

ThermalAmbientAIMC

Thermal ambient for asynchronous induction machine with squirrel cage

ThermalAmbientAIMS

Thermal ambient for asynchronous induction machine with slipring

ThermalAmbientSMPM

Thermal ambient for synchronous induction machine with permanent magnets

ThermalAmbientSMEE

Thermal ambient for synchronous induction machine with electrical excitation

ThermalAmbientSMR

Thermal ambient for synchronous induction machine with reluctance rotor

ThermalAmbientDCPM

Thermal ambient for DC machine with permanent magnets

ThermalAmbientDCEE

Thermal ambient for DC machine with electrical excitation

ThermalAmbientDCSE

Thermal ambient for DC machine with series excitation

ThermalAmbientDCCE

Thermal ambient for DC machine with compound excitation

ThermalAmbientTransformer

Thermal ambient for transformers

PartialThermalAmbientInductionMachines

Partial thermal ambient for induction machines

PartialThermalAmbientDCMachines

Partial thermal ambient for DC machines

FromDQ

Transform rotor fixed space phasor to instantaneous stator quantities

CurrentController

Current controller

Signal2mPulse

Generic control of 2*m pulse rectifiers

SignalPWM

Generates a pulse width modulated (PWM) boolean fire signal

VoltageToDutyCycle

Linearly transforms voltage to duty cycle

CurrentController

Current controller

AxisType1

Axis model of the r3 joints 1,2,3

AxisType2

Axis model of the r3 joints 4,5,6

JointUSR

Universal - spherical - revolute joint aggregation (no constraints, no potential states)

JointUSP

Universal - spherical - prismatic joint aggregation (no constraints, no potential states)

JointSSR

Spherical - spherical - revolute joint aggregation with mass (no constraints, no potential states)

JointSSP

Spherical - spherical - prismatic joint aggregation with mass (no constraints, no potential states)