Limited Integrator - MapleSim Help

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Limited Integrator

Integrator with limited value

 

Description

Equations

Connections

Parameters

Modelica Standard Library

Description

The Limited Integrator (or Lim Integrator) component computes, element-wise, the integral of the input u and then multiplies it by the gain, k. If the output exceeds the specified upper or lower limit, the integration is stopped and is restarted when the input drives the integral away from the limit.

The Signal Size parameter assigns the dimension of the input and output connectors.

Equations

y&period;j&equals;{kujoutmin<y<outmax0otherwise

Connections

Name

Description

Modelica ID

u

Real input vector

u

y

Real output vector

y

reset

Optional connector of reset signal

reset

set

Optional connector of set signal

set

Parameters

Name

Default

Units

Description

Modelica ID

Signal Size

1

 

Dimension of input and output signals

signalSize

k

1

 

Integrator gain

k

outmax

1

 

Upper limit of output

outMax

outmin

outMax

 

Lower limit of output

outMin

use reset

false

 

True(checked) enables reset port

use_reset

use set

false

 

True(checked) enables port that sets reset value (when use reset is selected)

use_set

Strict

false

 

True (checked) means no event is generated when the output reaches a limit

strict

Initial Values

Initialization with initial states

 

Type of initialization

initType

Limits At Initial

true

 

True (checked) means limits are used during initialization

limitsAtInit

y0

0

 

Initial or guess value of the output. This value must be within the limits

y_start

Modelica Standard Library

The component described in this topic is from the Modelica Standard Library. To view the original documentation, which includes author and copyright information, click here.

See Also

Math Functions

Math Operators

Signal Blocks