| 1 | within ;
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| 2 | package Test0
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| 3 | model FullRecovery "Minimize mechanical energy in a simple path"
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| 4 | parameter Real m=1000 "1000 kg of vehicle mass";
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| 5 | parameter Real p=1 "needed for final constraints";
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| 6 | parameter Real fGrip=0.02;
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| 7 | parameter Real S=2 "superficie frontale in m^2";
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| 8 | parameter Real Cx=0.4;
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| 9 | constant Real rho=1.226 "densit� aria kg/m^3";
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| 10 | constant Real g=9.81;
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| 11 | Real a(
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| 12 | min=-1,
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| 13 | max=1,
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| 14 | nominal=0) annotation (isConstraint=true);
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| 15 | Real v(start=0);
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| 16 | Real pos(start=0);
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| 17 | Real pow=f*v "Mechanical power";
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| 18 | Real fResis "Motion resistance";
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| 19 | Real Energy "Energy to minimize";
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| 20 | input Real f(min=-1e9, max=1e9);
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| 21 | Real constEn(nominal=1) = Energy "minimize Energy(tf)"
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| 22 | annotation (isMayer=true);
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| 23 | Real constSpeed(
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| 24 | min=0,
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| 25 | max=0) = p*v " 0<= p*v(tf) <=0 " annotation (isFinalConstraint=true);
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| 26 | Real constSpace(
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| 27 | min=1000,
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| 28 | max=1000) = p*pos " 0<= p*v(tf) <=0 " annotation (isFinalConstraint=true);
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| 29 | equation
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| 30 | der(Energy) = pow;
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| 31 | der(pos) = v;
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| 32 | der(v) = a;
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| 33 | fResis = fGrip*m*g + 0.5*Cx*rho*S*v^2;
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| 34 | f - fResis = m*a;
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| 35 | annotation (Documentation(info="<html>
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| 36 | <p>train movement optimization.</p>
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| 37 | </html>"), experiment(
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| 38 | StartTime=0,
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| 39 | StopTime=100,
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| 40 | Tolerance=1e-08,
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| 41 | Interval=0.333333));
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| 42 | end FullRecovery;
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| 43 |
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| 44 | model DOcoasting1 "Minimize mechanical energy in a simple path"
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| 45 | // Prova con selezione automatica del coasting.
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| 46 | // Contiene un trucco per evitare variabili booleane o intere per simulare il coasting:
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| 47 | // quando la forza motrice scende sotto soglia threas, s'intende che siamo in coasting
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| 48 | // e la potenza al pantografo si annulla
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| 49 | parameter Real m=1000 "1000 kg of vehicle mass";
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| 50 | parameter Real p=1 "needed for final constraints";
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| 51 | parameter Real fGrip=0.02;
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| 52 | parameter Real S=2 "superficie frontale in m^2";
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| 53 | parameter Real Cx=0.4;
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| 54 | parameter Real iLoss=200 "iron losses, W, when no coasting";
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| 55 | constant Real rho=1.226 "densità aria kg/m^3";
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| 56 | constant Real g=9.81;
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| 57 | Real a(
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| 58 | min=-1,
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| 59 | max=1,
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| 60 | nominal=0) annotation (isConstraint=true);
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| 61 | Real v(start=0);
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| 62 | Real pos(start=0);
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| 63 | Real elePow, ironLoss;
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| 64 | Real fResis "Motion resistance";
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| 65 | Real Energy "Energy to minimize";
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| 66 | input Real f(min=-1e9, max=1e9);
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| 67 | Real constEn(nominal=1e8) = Energy "minimize Energy(tf)"
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| 68 | annotation (isMayer=true);
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| 69 | Real constSpeed(
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| 70 | min=0,
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| 71 | max=0) = p*v " 0<= p*v(tf) <=0 " annotation (isFinalConstraint=true);
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| 72 | Real constSpace(
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| 73 | min=1000,
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| 74 | max=1000) = p*pos " 0<= p*v(tf) <=0 " annotation (isFinalConstraint=true);
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| 75 | equation
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| 76 | ironLoss = iLoss*(1 - exp(-f^2/1e4));
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| 77 | //ironLoss=100;
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| 78 | elePow = f*v + ironLoss;
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| 79 | der(Energy) = elePow;
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| 80 | der(pos) = v;
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| 81 | der(v) = a;
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| 82 | fResis = fGrip*m*g + 0.5*Cx*rho*S*v^2;
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| 83 | f - fResis = m*a;
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| 84 | annotation (Documentation(info="<html>
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| 85 | <p>train movement optimization.</p>
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| 86 | </html>"), experiment(
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| 87 | StartTime=0,
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| 88 | StopTime=100,
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| 89 | Tolerance=1e-08,
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| 90 | Interval=1));
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| 91 | end DOcoasting1;
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| 92 |
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| 93 | model DOminEnPant "Minimize mechanical Pantograph energy in a simple path"
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| 94 | parameter Real m=1000 "1000 kg of vehicle mass";
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| 95 | parameter Real p=1 "needed for final constraints";
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| 96 | parameter Real fGrip=0.02;
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| 97 | parameter Real S=2 "superficie frontale in m^2";
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| 98 | parameter Real Cx=0.4;
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| 99 | constant Real rho=1.226 "densità aria kg/m^3";
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| 100 | constant Real g=9.81;
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| 101 | Real a(
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| 102 | min=-1,
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| 103 | max=1,
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| 104 | nominal=0) annotation (isConstraint=true);
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| 105 | Real v(start=0);
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| 106 | Real pos(start=0);
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| 107 | Real mechPow=f*v "Mechanical power";
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| 108 | Real fResis "Motion resistance";
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| 109 | Real mechEnergy;
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| 110 | Real energy "Energy to minimize";
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| 111 | input Real f(min=-1e9, max=1e9);
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| 112 | Real constEn(nominal=1) = energy "minimize energy(tf)"
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| 113 | annotation (isMayer=true);
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| 114 | Real constSpeed(
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| 115 | min=0,
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| 116 | max=0) = p*v " 0<= p*v(tf) <=0 " annotation (isFinalConstraint=true);
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| 117 | Real constSpace(
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| 118 | min=1000,
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| 119 | max=1000) = p*pos " 0<= p*v(tf) <=0 " annotation (isFinalConstraint=true);
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| 120 | equation
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| 121 | der(mechEnergy) = mechPow;
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| 122 | der(pos) = v;
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| 123 | der(v) = a;
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| 124 | energy = mechEnergy;
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| 125 | fResis = fGrip*m*g + 0.5*Cx*rho*S*v^2;
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| 126 | f - fResis = m*a;
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| 127 | annotation (Documentation(info="<html>
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| 128 | <p>train movement optimization.</p>
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| 129 | </html>"), experiment(
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| 130 | StartTime=0,
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| 131 | StopTime=100,
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| 132 | Tolerance=1e-08,
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| 133 | Interval=0.333333));
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| 134 | end DOminEnPant;
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| 135 |
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| 136 |
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| 137 | annotation (
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| 138 | Icon(graphics, coordinateSystem(
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| 139 | extent={{-100,-80},{100,80}},
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| 140 | preserveAspectRatio=true,
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| 141 | initialScale=0.1,
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| 142 | grid={2,2})),
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| 143 | Diagram(graphics, coordinateSystem(
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| 144 | extent={{-100,-100},{100,100}},
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| 145 | preserveAspectRatio=true,
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| 146 | initialScale=0.1,
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| 147 | grid={2,2})),
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| 148 | uses(Modelica(version="3.2.1")),
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| 149 | version="1",
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| 150 | conversion(from(version="", script="ConvertFromDOtrainPkg_.mos")));
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| 151 | end Test0;
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