org.lsst.ccs.subsystem.utility

Class FanControl

java.lang.Object

org.lsst.ccs.subsystem.utility.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	getTemperature() Gets the target temperature.
double	getTimeConstant() Gets the time constant.
void	initialize(Logger log) Initializes the parameters.
boolean	isLoopActive() Gets the control loop state.
void	reset() Resets the controller.
void	setGain(double gain) Sets the gain.
void	setTemperature(double temp) Sets the target temperature.
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, postInit, 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

initialize

public void initialize(Logger log)

Initializes the parameters.

Parameters:

log - The subsystem logger

setTemperature

public void setTemperature(double temp)

Sets the target temperature.

Parameters:

temp - The temperature to set

getTemperature

public double getTemperature()

Gets the target temperature.

Returns:

The set temperature

setGain

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 controller.