InvertedPendulum

Class InvertedPendulum

java.lang.Object

core.AbstractComponent

core.AbstractProblem

core.AbstractSingleProblem

InvertedPendulum.InvertedPendulum

public class InvertedPendulum
extends AbstractSingleProblem

Simulation of an inverted pendulum. An inverted pendulum is a pendulum that should be balanced above the slide by the representation. The representation can only control the slide by imposing a force on it

Author:

Thomas Dittrich

Constructor Summary

Constructors

Constructor and Description
InvertedPendulum()

Method Summary

Methods

Modifier and Type	Method and Description
java.util.Hashtable<java.lang.String,XMLFieldEntry>	adjustRequirements(java.util.Hashtable<java.lang.String,XMLFieldEntry> requirements, java.util.Hashtable<java.lang.String,XMLFieldEntry> properties) Adjusts and returns the requirements of this problem that is modified according to the properties.
double	getMaximumFitness() Returns the achievable maximum fitness of this problem.
void	replayWithVisualization(AbstractRepresentation candidate) This function is called when the user request a visual replay from the problem.

Methods inherited from class core.AbstractSingleProblem

evaluateFitness

Methods inherited from class core.AbstractProblem

getRandom, setRandom

Methods inherited from class core.AbstractComponent

getProperties, getPropertyValue, getTypeOfProperty, getXMLData, setProperties, setXMLData

Methods inherited from class java.lang.Object

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

Constructor Detail

InvertedPendulum

public InvertedPendulum()

Method Detail

adjustRequirements

public java.util.Hashtable<java.lang.String,XMLFieldEntry> adjustRequirements(java.util.Hashtable<java.lang.String,XMLFieldEntry> requirements,
                                                                     java.util.Hashtable<java.lang.String,XMLFieldEntry> properties)

Description copied from class: AbstractProblem

Adjusts and returns the requirements of this problem that is modified according to the properties. Override this method if the requirements are dependent on the properties of this problem.

Overrides:

adjustRequirements in class AbstractProblem

Parameters:

requirements - The set of requirement keys and values read from the source XML file.

properties - The set of property keys and values.

Returns:

the new requirement set adjust according to the given set of parameters.

replayWithVisualization

public void replayWithVisualization(AbstractRepresentation candidate)

Description copied from class: AbstractSingleProblem

This function is called when the user request a visual replay from the problem. A total re-evaluation is not needed, only to provide a visual mean for the user to grasp the performance of the indicated candidate solution.

It is recommended to use advanced threading for display like SwingWorker.

Overrides:

replayWithVisualization in class AbstractSingleProblem

Parameters:

candidate - The candidate whose replay has been requested.

getMaximumFitness

public double getMaximumFitness()

Description copied from class: AbstractSingleProblem

Returns the achievable maximum fitness of this problem. A representations with this fitness value cannot be improved any further.

Specified by:

getMaximumFitness in class AbstractSingleProblem