1 /****************************************************************************/
2 // Eclipse SUMO, Simulation of Urban MObility; see https://eclipse.org/sumo
3 // Copyright (C) 2001-2019 German Aerospace Center (DLR) and others.
4 // This program and the accompanying materials
5 // are made available under the terms of the Eclipse Public License v2.0
6 // which accompanies this distribution, and is available at
7 // http://www.eclipse.org/legal/epl-v20.html
8 // SPDX-License-Identifier: EPL-2.0
9 /****************************************************************************/
10 /// @file    CC_Const.h
11 /// @author  Michele Segata
12 /// @date    Fri, 11 Apr 2014
13 /// @version $Id$
14 ///
15 // File defining constants, structs, and enums for cruise controllers
16 /****************************************************************************/
17 #ifndef CC_CONST_H
18 #define CC_CONST_H
19 
20 #include <string>
21 #include <sstream>
22 
23 namespace Plexe {
24 
25 /**
26  * @brief action that might be requested by the platooning management
27  */
28 enum PLATOONING_LANE_CHANGE_ACTION {
29     DRIVER_CHOICE = 0,        //the platooning management is not active, so just let the driver choose the lane
30     STAY_IN_CURRENT_LANE = 3, //the car is part of a platoon, so it has to stay on the dedicated platooning lane
31     MOVE_TO_FIXED_LANE = 4    //move the car to a specific lane
32 };
33 
34 /**
35  * @brief TraCI modes for lane changing
36  */
37 #define FIX_LC 0b1000000000
38 #define DEFAULT_NOTRACI_LC 0b1010101010
39 
40 /** @enum ACTIVE_CONTROLLER
41  * @brief Determines the currently active controller, i.e., ACC, CACC, or the
42  * driver. In future we might need to switch off the automatic controller and
43  * leave the control to the mobility model which reproduces a human driver
44  */
45 enum ACTIVE_CONTROLLER
46 {DRIVER = 0, ACC = 1, CACC = 2, FAKED_CACC = 3, PLOEG = 4, CONSENSUS = 5, FLATBED = 6};
47 
48 /**
49  * @brief struct used as header for generic data passing to this model through
50  * traci
51  */
52 struct CCDataHeader {
53     int type;    //type of message. indicates what comes after the header
54     int size;    //size of message. indicates how many bytes comes after the header
55 };
56 
57 /**
58  * Struct defining data passed about a vehicle
59  */
60 struct VEHICLE_DATA {
61     int index;           //position in the platoon (0 = first)
62     double speed;        //vehicle speed
63     double acceleration; //vehicle acceleration
64     double positionX;    //position of the vehicle in the simulation
65     double positionY;    //position of the vehicle in the simulation
66     double time;         //time at which such information was read from vehicle's sensors
67     double length;       //vehicle length
68     double u;            //controller acceleration
69     double speedX;       //vehicle speed on the X axis
70     double speedY;       //vehicle speed on the Y axis
71     double angle;        //vehicle angle in radians
72 };
73 
74 #define MAX_N_CARS 8
75 
76 #define CC_ENGINE_MODEL_FOLM             0x00    //first order lag model
77 #define CC_ENGINE_MODEL_REALISTIC        0x01    //the detailed and realistic engine model
78 
79 //parameter names for engine models
80 #define FOLM_PAR_TAU                     "tau_s"
81 #define FOLM_PAR_DT                      "dt_s"
82 
83 #define ENGINE_PAR_VEHICLE               "vehicle"
84 #define ENGINE_PAR_XMLFILE               "xmlFile"
85 #define ENGINE_PAR_DT                    "dt_s"
86 
87 #define CC_PAR_VEHICLE_DATA              "ccvd"   //data about a vehicle, like position, speed, acceleration, etc
88 #define CC_PAR_VEHICLE_POSITION          "ccvp"   //position of the vehicle in the platoon (0 based)
89 #define CC_PAR_PLATOON_SIZE              "ccps"   //number of cars in the platoon
90 
91 //set of controller-related constants
92 #define CC_PAR_CACC_XI                   "ccxi"    //xi
93 #define CC_PAR_CACC_OMEGA_N              "ccon"    //omega_n
94 #define CC_PAR_CACC_C1                   "ccc1"    //C1
95 #define CC_PAR_ENGINE_TAU                "cctau"   //engine time constant
96 
97 #define CC_PAR_UMIN                      "ccumin"  //lower saturation for u
98 #define CC_PAR_UMAX                      "ccumax"  //upper saturation for u
99 
100 #define CC_PAR_PLOEG_H                   "ccph"    //time headway of ploeg's CACC
101 #define CC_PAR_PLOEG_KP                  "ccpkp"   //kp parameter of ploeg's CACC
102 #define CC_PAR_PLOEG_KD                  "ccpkd"   //kd parameter of ploeg's CACC
103 
104 #define CC_PAR_FLATBED_KA                "ccfka"   //ka parameter of flatbed CACC
105 #define CC_PAR_FLATBED_KV                "ccfkv"   //kv parameter of flatbed CACC
106 #define CC_PAR_FLATBED_KP                "ccfkp"   //kp parameter of flatbed CACC
107 #define CC_PAR_FLATBED_H                 "ccfh"    //h parameter of flatbed CACC
108 #define CC_PAR_FLATBED_D                 "ccfd"    //distance parameter of flatbed CACC
109 
110 #define CC_PAR_VEHICLE_ENGINE_MODEL      "ccem"    //set the engine model for a vehicle
111 
112 #define CC_PAR_VEHICLE_MODEL             "ccvm"    //set the vehicle model, i.e., engine characteristics
113 #define CC_PAR_VEHICLES_FILE             "ccvf"    //set the location of the vehicle parameters file
114 
115 // set CACC constant spacing
116 #define PAR_CACC_SPACING                 "ccsp"
117 
118 // get ACC computed acceleration when faked CACC controller is enabled
119 #define PAR_ACC_ACCELERATION             "ccacc"
120 
121 // determine whether a vehicle has crashed or not
122 #define PAR_CRASHED                      "cccr"
123 
124 // set a fixed acceleration to a vehicle controlled by CC/ACC/CACC
125 #define PAR_FIXED_ACCELERATION           "ccfa"
126 
127 // get vehicle speed and acceleration, needed for example by the platoon leader (get: vehicle)
128 #define PAR_SPEED_AND_ACCELERATION       "ccsa"
129 
130 // set speed and acceleration of the platoon leader
131 #define PAR_LEADER_SPEED_AND_ACCELERATION "cclsa"
132 
133 // set whether CACCs should use real or controller acceleration
134 #define PAR_USE_CONTROLLER_ACCELERATION "ccca"
135 
136 // get lane count for the street the vehicle is currently traveling
137 #define PAR_LANES_COUNT                  "cclc"
138 
139 // set the cruise control desired speed
140 #define PAR_CC_DESIRED_SPEED             "ccds"
141 
142 // set the currently active vehicle controller which can be either the driver, or the ACC or the CACC
143 #define PAR_ACTIVE_CONTROLLER            "ccac"
144 
145 // get radar data from the car
146 #define PAR_RADAR_DATA                   "ccrd"
147 
148 // communicate with the cruise control to give him fake indications. this can be useful when you want
149 // to advance a vehicle to a certain position, for example, for joining a platoon. clearly the ACC
150 // must always take into consideration both fake and real data
151 #define PAR_LEADER_FAKE_DATA             "cclfd"
152 #define PAR_FRONT_FAKE_DATA              "ccffd"
153 
154 // get the distance that a car has to travel until it reaches the end of its route
155 #define PAR_DISTANCE_TO_END              "ccdte"
156 
157 // get the distance from the beginning of the route
158 #define PAR_DISTANCE_FROM_BEGIN          "ccdfb"
159 
160 // set speed and acceleration of preceding vehicle
161 #define PAR_PRECEDING_SPEED_AND_ACCELERATION "ccpsa"
162 
163 // set ACC headway time
164 #define PAR_ACC_HEADWAY_TIME             "ccaht"
165 
166 // return engine information (for the realistic engine model)
167 #define PAR_ENGINE_DATA                  "cced"
168 
169 // enabling/disabling auto feeding
170 #define PAR_USE_AUTO_FEEDING             "ccaf"
171 
172 // enabling/disabling data prediction
173 #define PAR_USE_PREDICTION               "ccup"
174 
175 // add/remove members from own platoon
176 #define PAR_ADD_MEMBER                   "ccam"
177 #define PAR_REMOVE_MEMBER                "ccrm"
178 
179 // let the leader automatically change lane for the whole platoon if there is a speed advantage
180 #define PAR_ENABLE_AUTO_LANE_CHANGE      "ccalc"
181 
182 }
183 
184 #endif /* CC_CONST_H */
185