org.lsst.ccs.subsystems.fcs

Class ForceSensor

java.lang.Object

org.lsst.ccs.subsystems.fcs.ForceSensor

All Implemented Interfaces:

SensorPluggedOnDevice

public class ForceSensor
extends Object
implements SensorPluggedOnDevice

Represents a model for a force sensor. A force sensor is used in loader subsystem to check if the clamp is CLAMPED or not. It's connected to the gateway. The value returned by the force sensor is coded on 1 byte. The analog value is used mainly to be displayed on the GUI. The gateway gives also a status to say if the clamp is CLAMPED or not.

Author:

virieux

Field Summary

Fields

Modifier and Type	Field and Description
protected int	byteNumero byte number on the gateway
protected String	deviceName name of the gateway this sensor is plugged on.
double	transfert_coeff transfert function coefficient
double	transfert_Constante transfert function constante

Constructor Summary

Constructors

Constructor and Description
ForceSensor()

Method Summary

Modifier and Type	Method and Description
int	getByteNumero() return byteNumero
String	getDeviceName()
double	getForce() returns force value read on force senor in Newton.
FcsEnumerations.LockStatus	getForceStatus() return force Status
int	getMaxRangeValue() return high limit for force sensor value
String	getName()
double	getTransfert_coeff()
double	getTransfert_Constante()
int	getVoltage() Returns voltage value read on force sensor in mV.
boolean	isClamped()
String	toString()
double	transfertFunction(int tension) Computes force value from voltage given as argument.
void	updateValue(int newValue)

Methods inherited from class java.lang.Object

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

Field Detail

transfert_coeff

@ConfigurationParameter
public double transfert_coeff

transfert function coefficient

transfert_Constante

@ConfigurationParameter
public double transfert_Constante

transfert function constante

deviceName

@ConfigurationParameter
protected String deviceName

name of the gateway this sensor is plugged on.

byteNumero

@ConfigurationParameter
protected int byteNumero

byte number on the gateway

Constructor Detail

ForceSensor

public ForceSensor()

Method Detail

getName

public String getName()

Specified by:

getName in interface SensorPluggedOnDevice

getByteNumero

public int getByteNumero()

return byteNumero

Specified by:

getByteNumero in interface SensorPluggedOnDevice

Returns:

getDeviceName

public String getDeviceName()

Specified by:

getDeviceName in interface SensorPluggedOnDevice

updateValue

public void updateValue(int newValue)

Specified by:

updateValue in interface SensorPluggedOnDevice

getVoltage

@Command(type=ACTION,
         level=1,
         description="Returns force sensor analog Value. Unit= mV")
public int getVoltage()

Returns voltage value read on force sensor in mV.

Returns:

getForce

@Command(type=ACTION,
         level=1,
         description="Returns force sensor value in Newton. Unit = N")
public double getForce()

returns force value read on force senor in Newton.

Returns:

force

getForceStatus

public FcsEnumerations.LockStatus getForceStatus()

return force Status

Returns:

getTransfert_coeff

public double getTransfert_coeff()

Returns:

transfert_coeff used by simulation

getTransfert_Constante

public double getTransfert_Constante()

Returns:

transfert_Constante used by simulation

getMaxRangeValue

public int getMaxRangeValue()

return high limit for force sensor value

Returns:

transfertFunction

public double transfertFunction(int tension)

Computes force value from voltage given as argument. As the beginning the function is not linear. When closing the loader clamp, at beginning of closing, a small force begins to be applied on the dynamometric axis but no force is applied on the filter.

Parameters:

tension -

Returns:

isClamped

@Command(type=ACTION,
         level=1,
         description="Returns true if force sensor value is in range values where clamp is clamped.")
public boolean isClamped()

Returns:

true if force sensor value is in range values where clamp is clamped. If true, hooks are CLAMPED.

toString

@Command(type=QUERY,
         level=1)
public String toString()

Overrides:

toString in class Object