[31] | 1 | /************************************************************************************ |
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| 2 | * Copyright (C) 2008 by Politehnica University of Bucharest and Rutgers University |
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| 3 | * All rights reserved. |
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| 4 | * Refer to LICENSE for terms and conditions of use. |
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| 5 | ***********************************************************************************/ |
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| 6 | package vnsim.vehicular.simulator; |
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| 7 | |
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| 8 | import vnsim.map.object.Globals; |
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| 9 | |
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| 10 | public class CalmPersonality implements Personality { |
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| 11 | |
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| 12 | private double coef1, coef2, coef3, coef4, coef5, coef6, coef7, |
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| 13 | coef8, coef9, coef10, coef11, coef12; |
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| 14 | |
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| 15 | public CalmPersonality() { |
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| 16 | coef1=0.0; |
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| 17 | coef2=1.0-Math.random()*2; |
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| 18 | coef3=0.1-Math.random()*0.2; |
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| 19 | coef4=5.0-Math.random()*10; |
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| 20 | coef5=0.1-Math.random()*0.2; |
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| 21 | coef6=1.0-Math.random()*2; |
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| 22 | coef7=1.0-Math.random()*2; |
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| 23 | coef8=1.0-Math.random()*2; |
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| 24 | coef9=5.0-Math.random()*10; |
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| 25 | coef10=0.1-Math.random()*0.2; |
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| 26 | coef11=0.5-Math.random(); |
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| 27 | coef12=0.5-Math.random(); |
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| 28 | } |
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| 29 | |
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| 30 | public double getSafetyDistance(double speed) { |
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| 31 | if(speed<10) |
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| 32 | return (0.18+coef1)*speed+(8.0+coef2); |
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| 33 | return (1.1/1.8)*speed+coef4; |
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| 34 | } |
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| 35 | |
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| 36 | public double getInfluenceDistance(double speed) { |
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| 37 | return (1.8+coef3)*speed+(50.0+coef4); |
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| 38 | } |
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| 39 | |
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| 40 | public double getDesiredDistance(double speed){ |
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| 41 | if(speed<10) { |
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| 42 | return 5.0; |
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| 43 | } |
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| 44 | return (0.5+coef5)*speed+(10.0+coef6); |
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| 45 | } |
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| 46 | |
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| 47 | public double getAccelerationFreeDriving() { |
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| 48 | return (6.0+coef7); |
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| 49 | } |
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| 50 | |
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| 51 | public double getAccelerationMaximumBrake() { |
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| 52 | return (-20.0+coef8); |
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| 53 | } |
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| 54 | |
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| 55 | public double getWantedSpeed(int roadIndex) { |
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| 56 | vnsim.map.object.Road r=Globals.map.roads.get(roadIndex); |
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| 57 | switch(r.getRoadinfo()[1]) { |
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| 58 | case 49: |
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| 59 | return 90+coef9; |
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| 60 | case 50: |
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| 61 | return 80+coef9; |
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| 62 | case 51: |
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| 63 | return 70+coef9; |
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| 64 | case 52: |
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| 65 | return 60+coef9; |
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| 66 | default: |
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| 67 | return 40+coef9; |
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| 68 | } |
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| 69 | } |
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| 70 | |
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| 71 | public double getLaneChangeSafetyDistance(double mySpeed, double folSpeed) { |
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| 72 | double dif=folSpeed-mySpeed; |
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| 73 | if(dif<0) |
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| 74 | return 4.0; |
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| 75 | |
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| 76 | if(dif<2 && mySpeed < 10) |
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| 77 | return 4.0; |
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| 78 | |
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| 79 | |
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| 80 | return dif*(0.6+coef10) + (10.0+coef11); |
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| 81 | } |
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| 82 | |
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| 83 | public double getLaneChangeSafetyDistanceInFront(double mySpeed, double precSpeed) { |
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| 84 | double dif=mySpeed-precSpeed; |
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| 85 | if(dif<0) |
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| 86 | return 4.0; |
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| 87 | |
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| 88 | if(dif<5) |
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| 89 | return 6.0; |
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| 90 | |
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| 91 | return dif*0.4+8.0; |
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| 92 | } |
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| 93 | |
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| 94 | public double getWantedSpeedInfluenced(double distanceFromIntersection, double requiredSpeed) { |
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| 95 | // params = [km] [km/h] ; ret = [km/h] |
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| 96 | //return requiredSpeed+distanceFromIntersection*1000/5.0; |
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| 97 | |
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| 98 | double distMeters=distanceFromIntersection*1000; |
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| 99 | |
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| 100 | if(distMeters>90) |
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| 101 | return 100; |
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| 102 | |
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| 103 | return requiredSpeed+(-1.0/90.0*distMeters*distMeters+19/9*distMeters); |
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| 104 | } |
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| 105 | |
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| 106 | public double getReactionTimeFreeDriving() { |
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| 107 | return (1.6+coef12); |
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| 108 | } |
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| 109 | |
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| 110 | public boolean estimateRoadChangePossible(double mySpeed, double otherSpeed, double myDist, double otherDist) { |
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| 111 | //params = [km/h] [km] |
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| 112 | |
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| 113 | if(otherSpeed<10) { |
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| 114 | if(otherDist > 0.03 && myDist < 0.03) |
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| 115 | return true; |
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| 116 | return false; |
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| 117 | } |
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| 118 | |
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| 119 | if(mySpeed>otherSpeed) { |
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| 120 | if(otherDist > 0.04 && myDist < 0.03) return true; |
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| 121 | } |
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| 122 | |
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| 123 | if(otherDist > 0.05 && myDist < 0.02) return true; |
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| 124 | |
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| 125 | return false; |
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| 126 | } |
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| 127 | } |
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