org.lsst.ccs.subsystem.refrig

Class TempControl

java.lang.Object

org.lsst.ccs.framework.ConfigurableComponent

org.lsst.ccs.subsystem.refrig.TempControl

All Implemented Interfaces:

org.lsst.ccs.framework.Configurable

public class TempControl
extends org.lsst.ccs.framework.ConfigurableComponent

Implements a temperature controller for the refrigeration system.

Author:

Owen Saxton

Nested Class Summary

Nested classes/interfaces inherited from interface org.lsst.ccs.framework.Configurable

org.lsst.ccs.framework.Configurable.Environment

Field Summary

Fields inherited from class org.lsst.ccs.framework.ConfigurableComponent

environment

Constructor Summary

Constructors

Constructor and Description
TempControl(double gain, double timeConst, double smoothTime, double maxOutput, double awGain, double basePower, double tolerance, int updateTime) Constructor.

Method Summary

Modifier and Type	Method and Description
void	initialize(List tempChans, PowerDevice powerDevc, Logger log) Initializes the parameters.
void	reset() Resets the controller.
void	restart() Restarts the control loop.
void	setTemp(double value) Sets the target temperature.
void	start(double power) Starts the control loop.
void	stop() Stops the control loop.

Methods inherited from class org.lsst.ccs.framework.ConfigurableComponent

getChildren, getEnvironment, setEnvironment

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.Configurable

alias, change, getCheckedValueFromConfiguration, getComponentByName, getDictionary, getName, getParent, getParentObject, getSubsystem, init, injectResources, listChildren, notifyChange, notifyChangeWithoutPreliminaryChecks, postStart, proceduralWalk, publish, publish, publish, publish, publish, publish, shutdownNow, start, treeWalk

Constructor Detail

TempControl

public TempControl(double gain,
                   double timeConst,
                   double smoothTime,
                   double maxOutput,
                   double awGain,
                   double basePower,
                   double tolerance,
                   int updateTime)

Constructor.

Parameters:

gain - The loop gain

timeConst - The time constant (sec)

smoothTime - The smoothing time (sec)

maxOutput - The maximum output power allowed (watts)

awGain - The anti-windup gain

basePower - The base power input (watts)

tolerance - The maximum tolerated error (percent)

updateTime - The update time interval (msec)

Method Detail

initialize

public void initialize(List tempChans,
                       PowerDevice powerDevc,
                       Logger log)

Initializes the parameters.

Parameters:

tempChans - The list of temperature channels used for input

powerDevc - The power device being controlled

log - The logger to use

setTemp

public void setTemp(double value)

Sets the target temperature.

Parameters:

value - The temperature to set

reset

public void reset()

Resets the controller.

restart

public void restart()

Restarts the control loop.

start

public void start(double power)

Starts the control loop.

Parameters:

power - The starting power value

stop

public void stop()

Stops the control loop.