WOLFRAM SYSTEMMODELER

Ramp

Generate ramp signal

Wolfram Language

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SystemModel["Modelica.Blocks.Sources.Ramp"]
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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 ramp signal:

Ramp.png

If parameter duration is set to 0.0, the limiting case of a Step signal is achieved.

Connectors (1)

y

Type: RealOutput

Description: Connector of Real output signal

Parameters (4)

height

Value: 1

Type: Real

Description: Height of ramps

duration

Value:

Type: Time (s)

Description: Duration of ramp (= 0.0 gives a Step)

offset

Value: 0

Type: Real

Description: Offset of output signal

startTime

Value: 0

Type: Time (s)

Description: Output = offset for time < startTime

Used in Examples (37)

TestConversionBlock

Test the conversion blocks

ShowVariableResistor

Simple demo of a VariableResistor model

AIMC_Inverter

Test example: AsynchronousInductionMachineSquirrelCage with inverter

AIMC_withLosses

Test example: AsynchronousInductionMachineSquirrelCage with losses

SMR_Inverter

Test example: SynchronousInductionMachineReluctanceRotor with inverter

SMPM_Inverter

Test example: PermanentMagnetSynchronousInductionMachine with inverter

SMEE_LoadDump

Test example: ElectricalExcitedSynchronousInductionMachine with voltage controller

DCPM_Start

Test example: DC with permanent magnet starting with voltage ramp

DCEE_Start

Test example: DC with electrical excitation starting with voltage ramp

DCSE_Start

Test example: DC with serial excitation starting with voltage ramp

DCSE_SinglePhase

Test example: DC with serial excitation starting with voltage ramp

DCPM_withLosses

Test example: Investigate influence of losses on DCPM motor performance

Thyristor1Pulse_R_Characteristic

Control characteristic of one pulse rectifier with resistive load

ThyristorBridge2Pulse_RLV_Characteristic

Characteristic of two pulse Graetz thyristor bridge rectifier with R-L load and voltage

ThyristorBridge2Pulse_DC_Drive

Two pulse Graetz thyristor bridge feeding a DC drive

ThyristorCenterTap2Pulse_RLV_Characteristic

Characteristic of two pulse thyristor rectifier with center tap and R-L load and voltage

ThyristorCenterTapmPulse_RLV_Characteristic

Characteristic of 2*m pulse thyristor rectifier with center tap and R-L load and voltage

ThyristorBridge2mPulse_RLV_Characteristic

Characteristic of 2*m pulse thyristor rectifier bridge with R-L load and voltage

ThyristorBridge2mPulse_DC_Drive

2*m pulse thyristor bridge feeding a DC drive

ThyristorCenterTap2mPulse_RLV_Characteristic

Characteristic of 2*m pulse center tap thyristor rectifier with R-L load and voltage

SeriesResonance

Series resonance circuit

ParallelResonance

Parallel resonance circuit

Rectifier

Rectifier example

Transformer

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

ForceStrokeBehaviour

Force-stroke characteristic of the permeance model at constant current

ComparisonQuasiStationary

Slow forced armature motion of both solenoid models so that electromagnetic field and current are quasi-stationary

SMPM_Inverter

Starting of permanent magnet synchronous machine with inverter

SMPM_Inverter_MultiPhase

Starting of multi phase permanent magnet synchronous machine with inverter

SMR_Inverter

Starting of synchronous reluctance machine with inverter

SMR_Inverter_MultiPhase

Starting of multi phase synchronous reluctance machine with inverter

IMC_Inverter

Test example: InductionMachineSquirrelCage with inverter

LossyGearDemo1

Example to show that gear efficiency may lead to stuck motion

LossyGearDemo2

Example to show combination of LossyGear and BearingFriction

ElasticBearing

Example to show possible usage of support flange

SimpleGearShift

Simple Gearshift

PumpAndValve

Example: cooling circuit with pump and valve

ControlledTemperature

Control temperature of a resistor

Used in Components (2)

RampedRheostat

Rheostat with linearly decreasing resistance

DoubleRamp

Ramp going up and down