modelPCLSPumpSignalControlled

Extends from OpenHydraulics.Interfaces.PartialFluidComponent (Base model for any component involving fluid).

Parameters

TypeNameDefaultDescription
Sizing
SI.VolumeDmax0.001Maximum pump displacement
SI.VolumeDmin0Minimum pump displacement (<0 for over-center)
SI.VolumeDlimitmax(abs(Dmax), abs(Dmin))Displacement of pump
SI.Pressurep_margin1e5Desired margin over measured pressure
Dynamics
RealpropGain2e-5Proportional controller gain
RealtimeConst0.1Time constant of swashplate controller
Efficiency › Mechanical Efficiency
RealCv60000Coefficient of viscous drag
RealCf0.007Coefficient of Coulomb friction (fraction of full stroke torque)
Efficiency › Volumetric Efficiency
RealCs1.8e-9Leakage coefficient
RealVr0.54Volume ratio of pump or motor
Efficiency › Related Parameters
SI.DynamicViscositymuoil.dynamicViscosity(p_init)Dynamic viscosity (used only for efficiency computation)
SI.BulkModulusBoil.approxBulkModulus(p_init)Approximate bulk modulus (used only for efficiency models)
Initialization › Fluid
SI.AbsolutePressurep_init (from PartialFluidComponent)environment.p_ambientInitial temperature of the component

Connectors

TypeNameDefaultDescription
OpenHydraulics.Interfaces.FluidPortportP
OpenHydraulics.Interfaces.FluidPortportT
Modelica.Mechanics.Rotational.Interfaces.Flange_aflange_a(left) driving flange (flange axis directed INTO cut plane)
Modelica.Blocks.Interfaces.RealInputp_measConnector of Real input signal 2

Components

TypeNameDefaultDescription
Basic.FluidPower2MechRotVarfluidPower2MechRotVar
BaseClasses.MechanicalPumpLossesmechanicalPumpLosses
Basic.VariableFlowleakage_P2T
Sensors.PressureSensorpressureSensorP
Modelica.Blocks.Continuous.LimPIDswashPlatePD
Modelica.Blocks.Math.AdddesiredPressure
Modelica.Blocks.Sources.RealExpressionpressureMargin
Lines.NJunctionj1
Lines.NJunctionj2
OpenHydraulics.Fluids.BaseClasses.PartialFluidoil (from PartialFluidComponent)This model must be defined in each circuit; the type must be a subtype of PartialFluid