org.lsst.ccs.subsystem.refrig

Class FanControl

java.lang.Object

org.lsst.ccs.subsystem.refrig.FanControl

All Implemented Interfaces:

org.lsst.ccs.framework.HasLifecycle

public class FanControl
extends Object
implements org.lsst.ccs.framework.HasLifecycle

Implements a fan speed loop controller for the utility trunk system.

Author:

Owen Saxton

Constructor Summary

Constructors

Constructor and Description
FanControl()

Method Summary

Modifier and Type	Method and Description
void	build() Sets up the fan speed control loop timer task.
double	getGain() Gets the gain.
double	getSetTemp() Gets the target temperature difference.
double	getTimeConstant() Gets the time constant.
boolean	isLoopActive() Gets the control loop state.
void	postInit() Initializes the parameters.
void	reset() Resets the PI controller.
void	setGain(double gain) Sets the gain.
void	setSetTemp(double temp) Sets the target temperature difference.
void	setTimeConstant(double time) Sets the time constant.
void	startLoop() Starts the control loop.
void	startLoop(double duty) Starts the control loop.
void	stopLoop() Stops the control loop.

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.lsst.ccs.framework.HasLifecycle

init, postBuild, postShutdown, postStart, shutdown, start

Constructor Detail

FanControl

public FanControl()

Method Detail

build

public void build()

Sets up the fan speed control loop timer task.

Specified by:

build in interface org.lsst.ccs.framework.HasLifecycle

postInit

public void postInit()

Initializes the parameters.

Specified by:

postInit in interface org.lsst.ccs.framework.HasLifecycle

setSetTemp

@ConfigurationParameterChanger
public void setSetTemp(double temp)

Sets the target temperature difference.

Parameters:

temp - The temperature to set

getSetTemp

public double getSetTemp()

Gets the target temperature difference.

Returns:

The set temperature

setGain

@ConfigurationParameterChanger
public void setGain(double gain)

Sets the gain.

Parameters:

gain - The gain to set

getGain

public double getGain()

Gets the gain.

Returns:

The gain

setTimeConstant

public void setTimeConstant(double time)

Sets the time constant.

Parameters:

time - The time constant to set

getTimeConstant

public double getTimeConstant()

Gets the time constant.

Returns:

The time constant

startLoop

public void startLoop(double duty)

Starts the control loop.

Parameters:

duty - The initial duty cycle value

startLoop

public void startLoop()

Starts the control loop.

stopLoop

public void stopLoop()

Stops the control loop.

isLoopActive

public boolean isLoopActive()

Gets the control loop state.

Returns:

Whether the control loop is active

reset

public void reset()

Resets the PI controller.