1 package org.opentrafficsim.road.gtu.lane.tactical.following;
2
3 import org.djunits.value.vdouble.scalar.Length;
4 import org.djunits.value.vdouble.scalar.Speed;
5 import org.opentrafficsim.base.parameters.ParameterException;
6 import org.opentrafficsim.base.parameters.Parameters;
7
8 /**
9 * Desired headway model.
10 * <p>
11 * Copyright (c) 2013-2018 Delft University of Technology, PO Box 5, 2600 AA, Delft, the Netherlands. All rights reserved. <br>
12 * BSD-style license. See <a href="http://opentrafficsim.org/node/13">OpenTrafficSim License</a>.
13 * <p>
14 * @version $Revision$, $LastChangedDate$, by $Author$, initial version 1 nov. 2017 <br>
15 * @author <a href="http://www.tbm.tudelft.nl/averbraeck">Alexander Verbraeck</a>
16 * @author <a href="http://www.tudelft.nl/pknoppers">Peter Knoppers</a>
17 * @author <a href="http://www.transport.citg.tudelft.nl">Wouter Schakel</a>
18 */
19 public interface DesiredHeadwayModel
20 {
21
22 /**
23 * Determines the desired headway in equilibrium conditions, i.e. no speed difference with the leader.
24 * @param parameters parameters
25 * @param speed speed to determine the desired headway at
26 * @throws ParameterException if parameter exception occurs
27 * @return desired headway
28 */
29 Length desiredHeadway(Parameters parameters, Speed speed) throws ParameterException;
30
31 }