Class BangBangController

java.lang.Object

neqsim.process.ml.controllers.BangBangController

All Implemented Interfaces:

Serializable, Controller

public class BangBangController
extends Object
implements Controller

Bang-bang (on-off) controller with hysteresis.

Simple threshold-based control with deadband to prevent oscillation.

Version:

1.0

Author:

ESOL

See Also:

• Serialized Form

Field Summary

Fields

Modifier and Type	Field	Description
private double	currentAction
private final double	deadband
private final double	highAction
private final double	lowAction
private final String	name
private static final long	serialVersionUID
private final double	setpoint
private final int	valueIndex

Constructor Summary

Constructors

Constructor	Description
BangBangController(String name, int valueIndex, double setpoint, double deadband, double lowAction, double highAction)	Create bang-bang controller.

Method Summary

Modifier and Type	Method	Description
double[]	computeAction(double[] observation)	Compute control action based on observation.
String	getName()	Get controller name.
void	reset()	Reset controller state (for stateful controllers like PID).

Methods inherited from class Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Details

serialVersionUID

private static final long serialVersionUID

See Also:

• Constant Field Values

name

private final String name

valueIndex

private final int valueIndex

setpoint

private final double setpoint

deadband

private final double deadband

lowAction

private final double lowAction

highAction

private final double highAction

currentAction

private double currentAction

Constructor Details

BangBangController

public BangBangController(String name,
 int valueIndex,
 double setpoint,
 double deadband,
 double lowAction,
 double highAction)

Create bang-bang controller.

Parameters:

name - controller name

valueIndex - index of controlled variable in observation

setpoint - target setpoint

deadband - hysteresis band (±deadband around setpoint)

lowAction - action when below setpoint

highAction - action when above setpoint

Method Details

computeAction

public double[] computeAction(double[] observation)

Description copied from interface: Controller

Compute control action based on observation.

Specified by:

computeAction in interface Controller

Parameters:

observation - normalized observation array

Returns:

action array

reset

public void reset()

Description copied from interface: Controller

Reset controller state (for stateful controllers like PID).

Specified by:

reset in interface Controller

getName

public String getName()

Description copied from interface: Controller

Get controller name.

Specified by:

getName in interface Controller

Returns:

name