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WOLFRAM SYSTEM MODELER

DualPressureValve

Static dual pressure valve

Diagram

In[1]:=

SystemModel["Hydraulic.Valves.DirectionalControl.Internal.DualPressureValve"]

Out[1]:=

This is a static model of a dual pressure valve.

This model does not contain lumped volumes, so it does not integrate the flow and compute the pressure at the ports.

medium	Value: Oil() Type: Medium Description: Medium in the component
Gleak	Value: 1e-020 Type: PressureDependentLeakage (m³/(s⋅Pa)) Description: Leakage between orifices
t1	Value: 0.1 Type: Time (s) Description: Time constant for first-order system
A	Value: 0.01 Type: Area (m²) Description: Opening area when opened
Cd	Value: 0.62 Type: Real Description: Coefficient of discharge for an opening

	port_b	Type: Port_b Description: Port for hydraulic fluid (unfilled icon)
	port_a	Type: Port_b Description: Port for hydraulic fluid (unfilled icon)
	port_t	Type: Port_a Description: Port for hydraulic fluid (filled icon)

port_b

Description: Port for hydraulic fluid (unfilled icon)

port_a

Description: Port for hydraulic fluid (unfilled icon)

port_t

Description: Port for hydraulic fluid (filled icon)

	medium	Type: Medium Description: Medium in the component
	flow_bt	Type: ControlledOrifice Description: Controlled restriction
	pressure_b	Type: PressureSensor Description: Sensor measuring absolute pressure
	pressure_a	Type: PressureSensor Description: Sensor measuring absolute pressure
	add	Type: Add Description: Output the sum of the two inputs
	flow_at	Type: ControlledOrifice Description: Controlled restriction
	gain	Type: Gain Description: Output the product of a gain value with the input signal
	sign1	Type: Sign Description: Output the sign of the input
	firstOrder	Type: FirstOrder Description: First order transfer function block (= 1 pole)

Hydraulic.Valves.DirectionalControl

Dual pressure valve with lumped volumes