EP4139634A1 - Procede de determination d'au moins un itineraire entre au moins deux points en fonction d'un exposome personalise et application associee - Google Patents
Procede de determination d'au moins un itineraire entre au moins deux points en fonction d'un exposome personalise et application associeeInfo
- Publication number
- EP4139634A1 EP4139634A1 EP21732945.7A EP21732945A EP4139634A1 EP 4139634 A1 EP4139634 A1 EP 4139634A1 EP 21732945 A EP21732945 A EP 21732945A EP 4139634 A1 EP4139634 A1 EP 4139634A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- pollutants
- route
- arc
- risk factor
- determining
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn
Links
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
- G01C21/00—Navigation; Navigational instruments not provided for in groups G01C1/00 - G01C19/00
- G01C21/20—Instruments for performing navigational calculations
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
- G01C21/00—Navigation; Navigational instruments not provided for in groups G01C1/00 - G01C19/00
- G01C21/26—Navigation; Navigational instruments not provided for in groups G01C1/00 - G01C19/00 specially adapted for navigation in a road network
- G01C21/34—Route searching; Route guidance
- G01C21/3453—Special cost functions, i.e. other than distance or default speed limit of road segments
- G01C21/3461—Preferred or disfavoured areas, e.g. dangerous zones, toll or emission zones, intersections, manoeuvre types or segments such as motorways, toll roads or ferries
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
- G01C21/00—Navigation; Navigational instruments not provided for in groups G01C1/00 - G01C19/00
- G01C21/26—Navigation; Navigational instruments not provided for in groups G01C1/00 - G01C19/00 specially adapted for navigation in a road network
- G01C21/34—Route searching; Route guidance
- G01C21/3453—Special cost functions, i.e. other than distance or default speed limit of road segments
- G01C21/3484—Personalized, e.g. from learned user behaviour or user-defined profiles
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
- G01C21/00—Navigation; Navigational instruments not provided for in groups G01C1/00 - G01C19/00
- G01C21/26—Navigation; Navigational instruments not provided for in groups G01C1/00 - G01C19/00 specially adapted for navigation in a road network
- G01C21/34—Route searching; Route guidance
- G01C21/36—Input/output arrangements for on-board computers
- G01C21/3605—Destination input or retrieval
- G01C21/3617—Destination input or retrieval using user history, behaviour, conditions or preferences, e.g. predicted or inferred from previous use or current movement
Definitions
- the invention relates to a method for determining at least one route of least exposure, that is to say a route limiting the health risks linked to the presence of environmental pollutants for a known and determined health profile and to the 'user's exposome.
- This route is calculated taking into account the time factor, in order to propose the path of least exposure in an “acceptable” time compared to the shortest route.
- the exposome corresponds to the totality of exposure to non-genetic environmental factors that a human organism undergoes from conception to end of life.
- the invention can be implemented in a remote server, in a mobile application or in an on-board computer of a motor vehicle.
- the application can also be used to provide a route on foot, by bike, by car, by bus or by any other means of transport.
- the app may also offer a delayed departure when the estimated travel time or exposures would be limited if the departure is delayed.
- the health of a human being is based on his genetic heritage. Completing the effect of the genome, the exposome explains the external and environmental factors impacting the health of an individual, from conception to end of life. Through the analysis of an individual's exposome over time, it is possible to design predictive and personalized prevention methods with a view to improving human health.
- the present invention aims to use these prevention methods to improve the health of users by limiting the risk factors experienced by their bodies during their travels.
- the aim of the invention is to advise at least a travel route between two points which limits exposure to environmental pollutants to which a particular user is sensitive, taking into account the time factor.
- AirParif ® and Itiner'Air ® applications allow a user to indicate the journey he intends to make, by entering the day, the time of departure and the mode of transport, in order to obtain a rate of average exposure to airborne pollutants. With this information, the user can postpone his itinerary if he wishes to limit his exposure to certain airborne pollutants.
- the GéoVelo ® application offers a user the option of riding a bicycle, preferably on sections for which cycle lanes have been set up.
- the GéoVelo ® application uses a Dijkstra algorithm in which all the roads in the network are represented in the form of a point cloud with a set of arcs connecting these points.
- the points correspond to the intersections between the roads and the arcs represent the set of possible routes to cover a route between two points.
- the GéoVelo ® application proposes to modify the weight of each arc according to the presence or not of cycle paths.
- the arcs for which no cycle path is provided have a greater weight than the arcs of the same length for which a cycle path is fitted on the roadway. It follows that Dijkstra's algorithm calculates a route with a compromise between travel time and the presence of cycle lanes on all or part of the route.
- Finding a compromise in detecting a route is quite complex when two separate factors are used as it is necessary to correctly modify the weight of each arc without causing too great a diversion when the user can use a small portion without a runway. cycling.
- the technical problem of the invention is to determine at least one route for a particular user profile while minimizing the travel time between two points while limiting the influence of sensitive environmental pollutants for the user.
- the invention proposes to modify the weights of each arc by seeking a maximum risk factor for the user as a function of the readings of environmental pollutants on the arc considered, by standardizing this measurement with a scale of reference risks, and by crossing this standardized pollution data with the user's sensitivity to this pollutant.
- the weight of each arc is determined as a function of this maximum risk factor and an estimated travel time to travel this arc.
- weights of all the arcs of a point cloud can be modified over time as a function of the presence or absence of pollutants on these arcs and of the specific risk associated with the user concerning the presence of this. polluting.
- the invention thus makes it possible to recommend a route that is particularly suitable for preserving the health of a user and / or for the user's journey to meet his quality requirements.
- the invention relates to a method for determining at least one route between at least two points of a cloud of points interconnected by arcs, said method comprising the following steps:
- the invention proposes to subject the measurements of the different pollutants of each arc to two separate treatments so that the modification of the weight of each arc is particularly suited to the specifications or to the needs of the user.
- the risk factor associated with each user can be defined by the user himself or by his attending physician.
- the determination of at least one risk factor associated with each pollutant for a specific user is obtained as a function of a user profile and predetermined risk factors associated with each characteristic of said user profile.
- the user only has to complete his profile and the risk factors are calculated automatically from predetermined risk factors.
- the pollutants belong to different categories of environmental pollutants; said step of calculating an overall risk factor being performed by calculating the maximum of several categorical risk factors; each categorical risk factor corresponding to a maximum of one product between each environmental quality index and each risk factor of a category of environmental pollutants.
- a user is very sensitive to the level of urban noise and wishes to move around while limiting noise disturbance, this may indicate that the category of noise pollutants is a particularly sensitive category for him so that the weight of this category will be taken into consideration as a very important factor.
- a user with lupus may be particularly sensitive to ultraviolet rays emitted by the sun and may seek a route that minimizes exposure to the sun.
- the categories of environmental pollutants correspond to airborne pollutants, solar pollutants, sound pollutants, electromagnetic pollutants and / or health pollutants.
- This embodiment makes it possible to efficiently cover the most common distinct types of pollutants for which it is possible to obtain reliable and distinctive measurements on different arcs.
- solar pollution from each arc can be estimated from meteorological information by estimating the amount of ultraviolet radiation experienced by the user while passing through a specific arc.
- Sound pollution can be measured by microphones placed on each arc so as to measure the decibel level picked up over time on each arc.
- Health pollutants can correspond to positions of people infected with a very highly transmissive disease.
- airborne pollutants integrate pollutants of the nitrogen dioxide, sulfur dioxide, ozone, carbon monoxide, pollen and / or fine particles type.
- These airborne pollutants can also be measured by sensors present on the arcs or estimated from pollutant propagation models by crossing meteorological information, in particular the direction and force of the winds, with measurements or estimates of the presence of pollutants. in areas close to the considered arc.
- the search for a maximum in the categories of pollutants before modifying the weights of each arc allows an application or an on-board computer, displaying the route determined by the process, to also indicate which are the predominant categories of pollutants for each calculated route, so that the user can choose to use a shorter route knowing that it will be subject to predetermined pollutants.
- the route of least exposure may be represented in green while a secondary route may be represented in red indicating that this route has been selected without taking into account the category of noise pollutants since a time saving of route of more than 10% of the total time can be obtained by removing this categorical constraint in the route search.
- the breakdown by category of pollutants allows the user to quickly and consciously choose the time savings expected in the route compared to the constraints that he will have to undergo when taking a particular route.
- said method is configured to detect, for each weight, said category of environmental pollutants corresponding to the maximum of the categorical risk factors calculated, so that said at least one route can be associated with a predominant category of factor of risk corresponding to said category of maximum environmental pollutants for the greatest number of arcs of said at least one route.
- said method is configured to determine two routes: a first route associated with a predominant category of risk factor; and a second route calculated without taking into account said preponderant category of risk factor in said weights of each arc.
- a subsequent route is only offered if the travel time saving is greater than a threshold value, for example 10% of the travel time with an immediate departure.
- said method is configured to calculate one or more routes at later times and, if one of the subsequent routes exhibits an improvement in travel time greater than a threshold value, proposing two routes: a first route with immediate departure; and a second route with a delayed start; said second route corresponding to the subsequent route exhibiting the greatest improvement in travel time.
- said travel time to cross said arc is estimated based on a selected type of transport means, a length of said arc and an average speed of said selected transport means.
- the invention relates to a smartphone application implementing a method of determining at least one route according to the first aspect of the invention.
- Figure 1 is a schematic representation of a network comprising a set of points interconnected by arcs;
- Figure 2 is a flowchart describing the steps for determining at least one route between two points of Figure 1;
- FIG 3 is a flowchart describing the steps for calculating the weight of the arcs of Figure 1. Detailed Description of the Invention
- Figure 1 illustrates a network in which the network nodes are schematized by interconnection points A to M.
- the interconnection points A to M correspond to intersections between several possible roads of the road network.
- the invention is not limited to a road network and it can make it possible to determine a route in situations other than that of a road network, for example to determine the path of movement of goods on a platform. form of order preparation or to determine an itinerary of an air flight.
- the road network is shown schematically by a cloud of points A to M representing the various intersections of the network, while the roads arranged between two intersections are schematized by arcs A1-A19.
- the first intersection A is connected by three arcs Al, A10 and A16 to three intersections B, C and D.
- the intersection B is connected to the intersection A by the arc Al.
- L ' intersection B is also connected to intersections E and F by arcs A2 and A6.
- the number of intersections AM and arcs A1-A19 shown in figure 1 is purely arbitrary and aims to show that, in order to travel a network between two intersections A and M, there are often a large number of possible routes passing through several distinct intersections. For example, to go from intersection A to intersection M, it is possible to take arcs Al, A2, A3, A4 and A5 or arcs Al, A6, A7, A4 and A5, or arcs A10 , A12, A14 and A15 ...
- the invention aims more particularly to determine a route between two points, for example A and M, by limiting the presence of pollutants for which a specific user is sensitive and while limiting the travel time between these two points.
- the arcs A1-A19 are associated with weight functions Pa taking into account a global risk factor XY and an estimated travel time to cross the arc Z.
- This function f (XY, Z) is used to determine one or more routes IT1, IT2.
- the at least one route IT1, IT2 is preferably offered to the user on a map of the road network so that he can directly obtain a general view of the at least one route IT1, IT2 proposed.
- the determination of at least one route IT1, IT2 is carried out by a processor integrated in a smart phone or an on-board computer.
- the method for determining the at least one route IT1, IT2 of the invention can be integrated into an application of a smart phone or into a module of an on-board computer of a motor vehicle.
- the pollutants considered correspond to those conventionally present on a road network and are preferably divided into three categories: airborne pollutants, solar pollutants and noise pollutants.
- Airborne pollutants correspond to the amount of ultraviolet radiation experienced by the user if he takes a considered arc
- noise pollutants correspond to the amount of decibels suffered by the user if he imprints this arc A1-A19.
- Airborne pollutants include, for example, nitrogen dioxide NO 2 , sulfur dioxide SO 2 , ozone O 3 , the quantity of pollen estimated on the considered arc and the quantity of fine particles PM 2.5 and PM 10
- the pollutants can correspond to visual pollutants, such as the presence of black clouds which, correlated with areas of high turbulence, make it possible to determine an aircraft's route by limiting passages through areas of high turbulence and areas of reduced visibility.
- the pollutants may correspond to the heat and the presence of potentially contaminating air flows.
- At least one route IT1, IT2 can be determined by searching for at least one path, among the various possible paths, having a minimum total weight Pt, as illustrated in FIG. 2.
- a first step 10 consists in listing the set of possible paths Cp between the two points considered A and M by using one or more of the arcs A1-A19 placed between the two points.
- This set of possible paths Cp is preferably stored in an array.
- a third step 12 aims to complete the table formed in step 10 by calculating a total weight Pt of each possible path Cp by calculating the sum of the weights Pa of the arcs A1-A19 of each possible path Cp.
- step 13 can determine at least one route IT1, IT2 by searching for at least one path among the possible paths Cp having a minimum total weight Pt.
- This algorithm can, for example, be implemented in the form of the algorithm by Dijkstra.
- the invention resides more particularly in step 11 of calculating the weight Pa of each arc A1-A19.
- step 11 comprises a first sub-step 111 d '' obtaining Xi environmental quality indices for each arc A1-A19 and for each pollutant considered.
- this first sub-step 111 aims to obtain only the environmental quality indices Xi of a single category of pollutants cat.
- the category of airborne pollutants is illustrated with reference to this sub-step 111.
- Mes (Po) measurements are obtained of the various airborne pollutants present on this arc. These measurements can be carried out using air quality sensors or estimated from meteorological data, such as the force and direction of the wind, and sensors remote from the area of the arc considered.
- the Mes (Po) measurements correspond to the quantity of pollutants undergone by a user when he crosses the arc considered.
- the invention proposes to standardize the Mes (Po) measurements of each pollutant on each arc A1-A19 with a reference risk scale.
- nitrogen dioxide NO2 can be considered to have no impact on health if its measured concentration is less than 0.01 ppm. In contrast, a major impact on health can be estimated if the measured concentration of nitrogen dioxide NO2 is greater than 0.05 ppm. Between these two extreme values, a large number of measurements can be obtained and they should be appreciated.
- the reference risk scale can transmit data normalized between 0 and 1 with a value of zero when the measured value of nitrogen dioxide NO2 is less than or equal to 0.01 ppm and a value of 1 when the measured value nitrogen dioxide NO2 is greater than or equal to 0.05 ppm. A linear scale is then constructed between these two extreme values so as to obtain a value between 0 and 1 for each measurement between 0.01 ppm and 0.05 ppm of nitrogen dioxide NO2.
- This standardization strategy is carried out for each pollutant and for each Mes (Po) measurement of each arc A1-A19 so as to obtain a table of environmental quality indices Xi of each category considered for each arc A1-A19.
- a second sub-step 112 proposes to determine the risk factors Yi associated with each pollutant for a specific user. To do this, the user can complete a personalized profile by entering their sex, age, size as well as their physiological characteristics and health concerns or habits that may influence their sensitivities to pollutants.
- a person with asthma has high sensitivity to all airborne pollutants and a person with phototype II has high sensitivity to ultraviolet rays.
- a user may exhibit sensitivities on all pollutants of a category or an exacerbated sensitivity for one or more specific pollutants of a category. For example, if the user indicates that he is an active smoker, certain pollutants in the category of airborne pollutants can have a more or less impact on the user's health.
- active smokers are more sensitive to fine particles PM 2.5 than to nitrogen dioxide NO2 according to physiological studies carried out on a panel of individuals. Using the results of these physiological studies, it is possible to draw up a table of relationships between a user profile and risk factors Yi.
- a specific user presents risk factors Yi which may correspond to the whole of a category of pollutants and / or to certain specific pollutants of a category.
- the substep 113 can calculate categorical risk factors XYcat.
- each environmental quality index Xi is multiplied with each risk factor Yi associated with the user and the maximum of these products reveals the categorical risk factor XYcat.
- the method can return to sub-step 111 by modifying the category considered to reproduce steps 111, 112 and 113 for a second category, and so on so to sweep all the categories considered.
- a sub-step 116 proposes to estimate this travel time Z as a function of a selected type of transport Tv, of a length of the arc La, and of an average speed Vm associated with the means of transport selected.
- the weight Pa of each arc A1-A19 is determined by multiplying the overall risk factor XY with the estimated travel time to cross the considered arc Z.
- this weight can then be used to calculate the total weight and provide a route for the user based on their specifications and custom environmental sensitivities.
- the noise pollution is very important on most of the A1-A19 arcs offered so that the route calculated can be much longer than the fastest route.
- a second route can be proposed without taking into account the category of noise pollution so that the user can, in conscience, choose a faster route but with greater noise pollution.
- the application can calculate several routes at different times so as to propose a delayed departure if this departure makes it possible to limit the pollutants suffered by the user and / or reduce their journey time.
- the invention thus makes it possible to offer one or more routes to a user according to his particular sensitivities, while limiting the travel time between two points.
Landscapes
- Engineering & Computer Science (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Automation & Control Theory (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Social Psychology (AREA)
- Management, Administration, Business Operations System, And Electronic Commerce (AREA)
- Navigation (AREA)
- Traffic Control Systems (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR2003941A FR3109435B1 (fr) | 2020-04-20 | 2020-04-20 | Procede de determination d’au moins un itineraire entre au moins deux points en fonction d’un exposome personalise et application associee |
| PCT/FR2021/050685 WO2021214407A1 (fr) | 2020-04-20 | 2021-04-19 | Procede de determination d'au moins un itineraire entre au moins deux points en fonction d'un exposome personalise et application associee |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| EP4139634A1 true EP4139634A1 (fr) | 2023-03-01 |
Family
ID=70978267
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP21732945.7A Withdrawn EP4139634A1 (fr) | 2020-04-20 | 2021-04-19 | Procede de determination d'au moins un itineraire entre au moins deux points en fonction d'un exposome personalise et application associee |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US20230168096A1 (fr) |
| EP (1) | EP4139634A1 (fr) |
| FR (1) | FR3109435B1 (fr) |
| WO (1) | WO2021214407A1 (fr) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR3156544B1 (fr) * | 2023-12-11 | 2025-11-14 | Stellantis Auto Sas | Procédé de détermination d’un itinéraire d’un véhicule automobile |
| CN119394311B (zh) * | 2024-12-31 | 2025-04-18 | 深圳市特安电子有限公司 | 一种气体泄漏时人员撤离路线规划方法及系统 |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8744766B2 (en) * | 2011-09-27 | 2014-06-03 | International Business Machines Corporation | Dynamic route recommendation based on pollution data |
| FR3050560A1 (fr) * | 2016-04-26 | 2017-10-27 | Renault Sas | Procede de calcul d'un trajet a emprunter |
| US10331141B2 (en) * | 2016-06-30 | 2019-06-25 | GM Global Technology Operations LLC | Systems for autonomous vehicle route selection and execution |
| EP3628971A1 (fr) * | 2018-09-26 | 2020-04-01 | Valeo Systemes Thermiques-THS | Procédé mis en uvre par ordinateur et système de détermination d'un itinéraire |
-
2020
- 2020-04-20 FR FR2003941A patent/FR3109435B1/fr not_active Expired - Fee Related
-
2021
- 2021-04-19 US US17/919,922 patent/US20230168096A1/en not_active Abandoned
- 2021-04-19 WO PCT/FR2021/050685 patent/WO2021214407A1/fr not_active Ceased
- 2021-04-19 EP EP21732945.7A patent/EP4139634A1/fr not_active Withdrawn
Also Published As
| Publication number | Publication date |
|---|---|
| FR3109435A1 (fr) | 2021-10-22 |
| US20230168096A1 (en) | 2023-06-01 |
| FR3109435B1 (fr) | 2022-04-01 |
| WO2021214407A1 (fr) | 2021-10-28 |
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