DirectedAltruistic.java
- package org.opentrafficsim.road.gtu.lane.tactical.directedlanechange;
- import org.djunits.unit.AccelerationUnit;
- import org.djunits.value.vdouble.scalar.Acceleration;
- import org.opentrafficsim.road.gtu.lane.perception.LanePerception;
- import org.opentrafficsim.road.gtu.lane.tactical.following.DualAccelerationStep;
- /**
- * The altruistic driver changes lane when that is beneficial for all drivers.
- * <p>
- * Copyright (c) 2013-2024 Delft University of Technology, PO Box 5, 2600 AA, Delft, the Netherlands. All rights reserved. <br>
- * BSD-style license. See <a href="https://opentrafficsim.org/docs/license.html">OpenTrafficSim License</a>.
- * </p>
- * @author <a href="https://tudelft.nl/staff/p.knoppers-1">Peter Knoppers</a>
- */
- public class DirectedAltruistic extends AbstractDirectedLaneChangeModel
- {
- /**
- * @param perception LanePerception; the perception to use
- */
- public DirectedAltruistic(final LanePerception perception)
- {
- super(perception);
- }
- /** {@inheritDoc} */
- @Override
- public final Acceleration applyDriverPersonality(final DualAccelerationStep accelerationSteps)
- {
- // The unit of the result is the acceleration unit of the leader acceleration.
- // Discussion. The altruistic driver personality in Treiber adds two accelerations together. This reduces the
- // "sensitivity" for keep lane, keep right and follow route incentives.
- // This implementation returns the average of the two in order to avoid this sensitivity problem.
- AccelerationUnit unit = accelerationSteps.getLeaderAcceleration().getDisplayUnit();
- return new Acceleration((accelerationSteps.getLeaderAcceleration().getInUnit()
- + accelerationSteps.getFollowerAcceleration().getInUnit(unit)) / 2, unit);
- }
- /** {@inheritDoc} */
- @Override
- public final String getName()
- {
- return "Altruistic";
- }
- /** {@inheritDoc} */
- @Override
- public final String getLongName()
- {
- return "Altruistic lane change model (as described by Treiber).";
- }
- /** {@inheritDoc} */
- @Override
- public final String toString()
- {
- return "DirectedAltruistic [name=" + getName() + "]";
- }
- }