modelLSValveUnit

Diagram of LSValveUnitOpen the diagram
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Extends from OpenHydraulics.Interfaces.PartialFluidComponent (Base model for any component involving fluid).

Parameters

TypeNameDefaultDescription
IntegersizeOfInputs1Size of input array
IntegerinputIndex1Index of command for this valve
Sizing
SI.VolumeFlowRateq_nom0.001Nominal flow rate at dp_nom
SI.Pressuredp_nom3e5Nominal dp for metering curve
Sizing › Advanced Metering
Realq_fraction_P2A1Fraction of nominal flow rate
Realq_fraction_P2B1Fraction of nominal flow rate
Realq_fraction_A2T1Fraction of nominal flow rate
Realq_fraction_B2T1Fraction of nominal flow rate
Dynamics
SI.Frequencybandwidth10Bandwidth of 2nd order response
RealdampCoeff1Damping coefficient of 2nd order response
Initialization › Pressures
BooleanfixPressureAfalseTrue if pressure at port is fixed
BooleanfixPressureBfalseTrue if pressure at port is fixed
Initialization › Fluid
SI.AbsolutePressurep_init (from PartialFluidComponent)environment.p_ambientInitial temperature of the component

Connectors

TypeNameDefaultDescription
OpenHydraulics.Interfaces.FluidPortportA
OpenHydraulics.Interfaces.FluidPortportB
OpenHydraulics.Interfaces.FluidPortportP2
OpenHydraulics.Interfaces.FluidPortportT2
OpenHydraulics.Interfaces.FluidPortportP1
OpenHydraulics.Interfaces.FluidPortportT1
OpenHydraulics.Interfaces.FluidPortportLS1
OpenHydraulics.Interfaces.FluidPortportLS2
Modelica.Blocks.Interfaces.RealInput[sizeOfInputs]u
Modelica.Blocks.Interfaces.RealOutput[sizeOfInputs]y

Components

TypeNameDefaultDescription
OpenHydraulics.Components.Valves.ShuttleValveshuttleValve
OpenHydraulics.Components.Valves.DirectionalValves.V4_3CCLSHydAntiCavitationvalve4_3pos_wRelief
OpenHydraulics.Components.Lines.NJunctionj1
OpenHydraulics.Components.Lines.NJunctionj2
OpenHydraulics.Fluids.BaseClasses.PartialFluidoil (from PartialFluidComponent)This model must be defined in each circuit; the type must be a subtype of PartialFluid