Eclipse SUMO - Simulation of Urban MObility
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EngineParameters.h
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1/****************************************************************************/
2// Eclipse SUMO, Simulation of Urban MObility; see https://eclipse.dev/sumo
3// Copyright (C) 2001-2024 German Aerospace Center (DLR) and others.
4// This program and the accompanying materials are made available under the
5// terms of the Eclipse Public License 2.0 which is available at
6// https://www.eclipse.org/legal/epl-2.0/
7// This Source Code may also be made available under the following Secondary
8// Licenses when the conditions for such availability set forth in the Eclipse
9// Public License 2.0 are satisfied: GNU General Public License, version 2
10// or later which is available at
11// https://www.gnu.org/licenses/old-licenses/gpl-2.0-standalone.html
12// SPDX-License-Identifier: EPL-2.0 OR GPL-2.0-or-later
13/****************************************************************************/
18/****************************************************************************/
19
20#pragma once
21#include <config.h>
22
23#include <iostream>
24#include <iomanip>
25
26//gravity force
27#define GRAVITY_MPS2 9.81
28//horsepower to watts conversion factor
29#define HP_TO_W 745.699872
30//maximum engine time constant
31#define TAU_MAX 0.5
32//maximum degree for the engine polynomial
33#define MAX_POLY_DEGREE 9
34
36
37public:
38
49
58 double rpm;
59 double deltaRpm;
60 };
61
62 //id of the type of vehicle
63 std::string id;
64 //number of gears
65 int nGears;
66 //gear ratios
67 double* gearRatios;
68 //differential ratio
70 //wheel diameter in meters
72 //mass of vehicle
73 double mass_kg;
74 //air friction parameters
76 //precomputed air friction coefficient
78 //tires parameters
79 double cr1, cr2;
80 //precomputed rolling resistance parameters
81 double __cr1, __cr2;
82 //road slope in degrees
83 double slope;
84 //precomputed gravitational force
85 double __gravity;
86 //tires friction coefficient
88 //precomputed maximum acceleration with no slip
90 //engine mapping
92 //gear shifting rule
94 //engine efficiency
96 //factor taking into account inertia of rotating masses, such as flywheel
97 double massFactor;
98 //number of cylinders of the engine
100 //simulation timestep
101 double dt;
102 //min and max rpm
103 double minRpm, maxRpm;
104 //brakes actuation time constant in second
106 //engine time constants for exhaust and burning
108 //whether tauBurn_s is fixed or dynamic
110 //other precomputed coefficients
120 //todo: finish
121 double minSpeed;
122
126 void computeCoefficients();
127
131 void dumpParameters(std::ostream& out);
132
136 virtual ~EngineParameters();
137
138};
#define MAX_POLY_DEGREE
double __airFrictionCoefficient
struct PolynomialEngineModelRpmToHp engineMapping
void dumpParameters(std::ostream &out)
EngineParameters & operator=(const EngineParameters &other)
double tiresFrictionCoefficient
double __speedToThrustCoefficient
struct GearShiftingRules shiftingRule
double __maxAccelerationCoefficient