It’s my first try to use your simple sample of jFuzzyLite, but to tell you the truth, I don’t have any knowledge for example why different methods have been used? and, what is the functionality of each one?
///////////
package com.example.FirstFuzzy;
import android.app.Activity;
import android.os.Bundle;
import com.fuzzylite.Engine;
import com.fuzzylite.FuzzyLite;
import com.fuzzylite.Op;
import com.fuzzylite.norm.s.Maximum;
import com.fuzzylite.norm.t.Minimum;
import com.fuzzylite.rule.Rule;
import com.fuzzylite.rule.RuleBlock;
import com.fuzzylite.term.Triangle;
import com.fuzzylite.variable.InputVariable;
import com.fuzzylite.variable.OutputVariable;
public class MyActivity extends Activity {
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.main);
MyFuzzy myFuzzy=new MyFuzzy();
try {
Engine engine = new Engine(“simple-dimmer”);
InputVariable ambient = new InputVariable();
ambient.setName(“Ambient”);
ambient.setRange(0.000, 1.000);
ambient.addTerm(new Triangle(“DARK”, 0.000, 0.500));
ambient.addTerm(new Triangle(“MEDIUM”, 0.250, 0.750));
ambient.addTerm(new Triangle(“BRIGHT”, 0.500, 1.000));
engine.addInputVariable(ambient);
OutputVariable power = new OutputVariable();
power.setName(“Power”);
power.setRange(0.000, 1.000);
power.setDefaultValue(Double.NaN);
power.addTerm(new Triangle(“LOW”, 0.000, 0.500));
power.addTerm(new Triangle(“MEDIUM”, 0.250, 0.750));
power.addTerm(new Triangle(“HIGH”, 0.500, 1.000));
engine.addOutputVariable(power);
RuleBlock ruleBlock = new RuleBlock();
ruleBlock.addRule(Rule.parse(“if Ambient is DARK then Power is HIGH”, engine));
ruleBlock.addRule(Rule.parse(“if Ambient is MEDIUM then Power is MEDIUM”, engine));
ruleBlock.addRule(Rule.parse(“if Ambient is BRIGHT then Power is LOW”, engine));
engine.addRuleBlock(ruleBlock);
//No Conjunction or Disjunction is needed
ruleBlock.setConjunction(new Minimum());
ruleBlock.setDisjunction(new Maximum());
engine.configure(“”, “”, “AlgebraicProduct”, “AlgebraicSum”, “Centroid”);
StringBuilder status = new StringBuilder();
if (!engine.isReady(status))
throw new RuntimeException(“Engine not ready. ” +
“The following errors were encountered:\n” + status.toString());
for (int i = 0; i < 50; ++i) {
double light = ambient.getMinimum() + i * (ambient.range() / 50);
ambient.setInputValue(light);
engine.process();
FuzzyLite.logger().info(String.format(
“Ambient.input = %s -> Power.output = %s”,
Op.str(light), Op.str(power.defuzzify())));
}
}catch (Exception e)
{
e.printStackTrace();
}
}
}
//////////////////////
any help can be appreciated.