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MapleSim Hydraulics Library from Modelon

Valve Logic  Switching logic for valve used for accumulators

The Valve Logic component describes the switching logic for a valve in an accumulator. It is of limited value for general use.

 

Equations

Variables

Connections

Parameters

Equations

comparison&equals;1pprecharge<pressureSignal1orpprecharge<pressureSignal20otherwise

valveCommand&equals;command

τvalvetcommand&equals;comparisoncommand

Variables

Name

Value

Units

Description

Modelica ID

comparison

 

 

Comparison if pressure > pprecharge

comparison

command

 

 

command = 1 if pressure > pprecharge

command

Connections

Name

Description

Modelica ID

pressureSignal1

Command signal for valve position

pressureSignal1

pressureSignal2

Command signal for valve position

pressureSignal2

valve command

Command signal for valve position

valveCommand

Parameters

Name

Default

Units

Description

Modelica ID

pprecharge

5.·106

Pa

Precharge pressure in accumulator

pprecharge

τvalve

10-4

s

 

tau_valve

See Also

Volumes

MapleSim Hydraulics Library from Modelon Overview

 


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