WOLFRAM

WOLFRAM SYSTEM MODELER

SpoolE

An electrical spool with second-order characteristics

Diagram

Wolfram Language

In[1]:=
SystemModel["Hydraulic.Utilities.SpoolE"]
Out[1]:=

Information

This is a model of an electrical spool with second-order dynamics. The spool can only be actuated toward the actuator, i.e. y >= 0. The spool is either actuated or not, i.e. it does not allow stepless actuation.

Parameters (4)

f

Value: 80

Type: Frequency (Hz)

Description: Resonance frequency
d

Value: 0.9

Type: Damping (s⁻¹)

Description: Damping
yMax

Value: 1

Type: Real

Description: Maximum position
Un

Value: 10

Type: Voltage (V)

Description: Nominal voltage

Connectors (2)

u

Type: RealInput

Description: Connector of Real input signal
y

Type: RealOutput

Description: Connector of Real output signal

Components (5)

secondOrder

Type: SecondOrder

Description: Second order transfer function block (= 2 poles)
limiter1

Type: Limiter

Description: Limit the range of a signal
limiter2

Type: Limiter

Description: Limit the range of a signal
gain

Type: Gain

Description: Output the product of a gain value with the input signal
spoolStateDiscretizer1

Type: SpoolStateDiscretizer

Description: Model that compares an input with a threshold and returns -1, 0, or 1

Used in Components (3)

DCVE22

Hydraulic.Valves.DirectionalControl.ConventionalSolenoidActuation

Electrically actuated proportional valve with two ports and two states

DCVE32

Hydraulic.Valves.DirectionalControl.ConventionalSolenoidActuation

Electrically actuated proportional control valve with three ports and two states

DCVE42

Hydraulic.Valves.DirectionalControl.ConventionalSolenoidActuation

Electrically actuated proportional control valve with four ports and two states