org.powertac.householdcustomer.appliances.Freezer Maven / Gradle / Ivy

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Bottom-up model of a household energy customer
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/*
 * Copyright 2009-2012 the original author or authors.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an
 * "AS IS" BASIS,  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND,
 * either express or implied. See the License for the specific language
 * governing permissions and limitations under the License.
 */

package org.powertac.householdcustomer.appliances;

import java.util.Properties;
import java.util.Vector;

import org.joda.time.Instant;
import org.powertac.common.Tariff;
import org.powertac.common.TariffEvaluationHelper;
import org.powertac.common.repo.RandomSeedRepo;
import org.powertac.common.spring.SpringApplicationContext;
import org.powertac.householdcustomer.configurations.VillageConstants;

/**
 * Freezer is the utilized in combination with the refrigerator in the
 * household. This appliance can automatically change the freezing cycles in
 * order to save energy, without tenants manipulation. So this is a fully
 * shifting appliance.
 * 
 * @author Antonios Chrysopoulos
 * @version 1.5, Date: 2.25.12
 */
public class Freezer extends NotShiftingAppliance
{

  public void fillWeeklyFunction ()
  {
    for (int i = 0; i < VillageConstants.DAYS_OF_WEEK; i++)
      fillDailyOperation(i);
  }

  @Override
  public void initialize (String household, Properties conf, int seed)
  {

    // Filling the base variables
    name = household + " Freezer";
    randomSeedRepo =
      (RandomSeedRepo) SpringApplicationContext.getBean("randomSeedRepo");
    gen =
      randomSeedRepo.getRandomSeed(toString(), seed, "Appliance Model" + seed);
    saturation = Double.parseDouble(conf.getProperty("FreezerSaturation"));
    power =
      (int) (VillageConstants.FREEZER_POWER_VARIANCE * gen.nextGaussian() + VillageConstants.FREEZER_POWER_MEAN);
    cycleDuration = VillageConstants.FREEZER_DURATION_CYCLE;

  }

  @Override
  Vector createDailyPossibilityOperationVector (int day)
  {

    Vector possibilityDailyOperation = new Vector();

    // Freezer can work anytime
    for (int j = 0; j < VillageConstants.QUARTERS_OF_DAY; j++) {
      possibilityDailyOperation.add(true);
    }

    return possibilityDailyOperation;
  }

  @Override
  public void fillDailyOperation (int weekday)
  {
    // Initializing Variables
    loadVector = new Vector();
    dailyOperation = new Vector();
    int k = gen.nextInt(cycleDuration);

    for (int i = 0; i < VillageConstants.QUARTERS_OF_DAY; i++) {
      if (i % cycleDuration == k) {
        loadVector.add(power);
        dailyOperation.add(true);
      }
      else {
        loadVector.add(0);
        dailyOperation.add(false);
      }
    }
    weeklyLoadVector.add(loadVector);
    weeklyOperation.add(dailyOperation);
  }

  @Override
  public double[] dailyShifting (Tariff tariff, double[] nonDominantUsage,
                                 TariffEvaluationHelper tariffEvalHelper,
                                 int day, Instant start)
  {

    double[] newControllableLoad = new double[VillageConstants.HOURS_OF_DAY];
    /*
        // Daily operation is seperated in shifting periods
        for (int i = 0; i < VillageConstants.REFRIGERATOR_SHIFTING_PERIODS; i++) {
          double minvalue = Double.NEGATIVE_INFINITY;
          int minindex = 0;

          // For each shifting period we search the best value
          for (int j = 0; j < VillageConstants.REFRIGERATOR_SHIFTING_INTERVAL; j++) {
            if ((minvalue < tariff.getUsageCharge(now2, 1, 0))
                || (minvalue == tariff.getUsageCharge(now2, 1, 0) && gen
                        .nextFloat() > VillageConstants.SAME)) {
              minvalue = tariff.getUsageCharge(now2, 1, 0);
              minindex = j;
            }
            now2 = new Instant(now2.getMillis() + TimeService.HOUR);
          }
          newControllableLoad[VillageConstants.REFRIGERATOR_SHIFTING_INTERVAL * i
                              + minindex] =
            VillageConstants.QUARTERS_OF_HOUR * power;
        }
        */
    return newControllableLoad;
  }

  @Override
  public void refresh ()
  {
    fillWeeklyOperation();
    createWeeklyPossibilityOperationVector();
  }

}