Classifications

• • G—PHYSICS
  • G08—SIGNALLING
  • G08G—TRAFFIC CONTROL SYSTEMS
  • G08G1/00—Traffic control systems for road vehicles
  • G08G1/123—Traffic control systems for road vehicles indicating the position of vehicles, e.g. scheduled vehicles; Managing passenger vehicles circulating according to a fixed timetable, e.g. buses, trains, trams
  • G08G1/127—Traffic control systems for road vehicles indicating the position of vehicles, e.g. scheduled vehicles; Managing passenger vehicles circulating according to a fixed timetable, e.g. buses, trains, trams to a central station ; Indicators in a central station
• • 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
  • G01C21/3407—Route searching; Route guidance specially adapted for specific applications
  • G01C21/3423—Multimodal routing, i.e. combining two or more modes of transportation, where the modes can be any of, e.g. driving, walking, cycling, public transport
• • G—PHYSICS
  • G06—COMPUTING; CALCULATING OR COUNTING
  • G06Q—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
  • G06Q10/00—Administration; Management
  • G06Q10/04—Forecasting or optimisation specially adapted for administrative or management purposes, e.g. linear programming or "cutting stock problem"
• • G—PHYSICS
  • G06—COMPUTING; CALCULATING OR COUNTING
  • G06Q—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
  • G06Q50/00—Information and communication technology [ICT] specially adapted for implementation of business processes of specific business sectors, e.g. utilities or tourism
  • G06Q50/40—Business processes related to the transportation industry

Definitions

• TITLE LOCAL SUPERVISION MODULE OF A MULTIMODAL LAND TRANSPORT NETWORK SUPERVISION INFRASTRUCTURE
• the field of the invention is that of local supervision modules for a supervision infrastructure of a land multimodal transport network.
• a single-mode network is a network on which circulate vehicles belonging to a single mode of transport and managed by a single operator: for example a metro, bus, tram, train network, etc.
• a single-mode network includes a centralized operating system allowing traffic management on this network.
• An operating system uses an hourly table to manage the traffic of each of the vehicles engaged on the network.
• a time table defines departure times from each station on a network line, travel times between two successive stations on a line, station stopping times, etc.
• the time table is dynamically updated during the movement of the vehicles taking into account operating information, such as for example the interval between two vehicles traveling one behind the other on a line, the time of stop required in a station to transfer users in view of the crowds, etc.
• a terrestrial multimodal transport network is, by definition, a network which groups together different monomodal networks and which allows a user to go from a departure station to an arrival station using one or more of the services provided by said networks.
• single-mode In particular, in a transfer station, a user can get off a first vehicle traveling on a first single-mode network to board a second vehicle traveling on a second single-mode network in order to continue his journey.
• the different single-mode networks are not synchronized with each other at the interchange stations of the multimodal network.
• the user can try to plan his journey by querying a database aggregating the theoretical timetables of the various vehicles traveling on the roads.
• different single-mode networks since these networks are managed independently of each other, the theoretical schedules are rarely correlated, which can lead to a long theoretical waiting time in a connecting station.
• the aim of the invention is therefore to meet this need, in particular by proposing a local supervision module for a supervision infrastructure of a land multimodal transport network.
• the subject of the invention is a local supervision module for a supervision infrastructure of a terrestrial multimodal transport network, the terrestrial multimodal transport network comprising at least a first single-mode network and a second single-mode network, each of the first and second single-mode networks being equipped with an individual operating system, the local supervision module being associated with a transfer station where lines of the first and second single-mode networks are interconnected so as to allow a transfer of passengers between a first vehicle traveling on the first single-mode network and a second vehicle traveling on the second single-mode network, characterized in that it comprises: a communication interface with the operating systems of the first and second single-mode networks; a means of synthesizing traffic on a surveillance domain, associated with the local supervision module and covering the first and second monomodal networks at least around the correspondence station so as to update, from traffic data supplied by the operating systems of the first and second single-mode networks, synthesis data; and an engine for executing operating rules based on the summary data and capable of generating at least one instruction comprising operating information such as to modify the traffic within a
• the module according to the invention may include one or more of the following characteristics, taken alone or in any technically possible combination:
• the module includes a communication interface with a global supervision module of the supervision infrastructure so as to receive the operating rules that the operating engine of the module must execute at the current time.
• an operating rule consists in generating an instruction requiring a second vehicle to be held in station as long as a first vehicle has not arrived at the transfer station, provided that the holding time of the second vehicle does not exceed one instant departure at the latest determined by a time table according to which the operating system of the second single-mode network manages the traffic on the second single-mode network.
• an operating rule is a logical rule, which depends on at least one summary data.
• the module results from the configuration of a generic local supervision module according to the corresponding station to which the module is associated.
• the traffic data acquired by the module relate to events occurring within said surveillance domain.
• the monitoring area of the connecting station comprises the connecting station and, for each channel of the lines crossing at the connecting station, at least one station located upstream of the connecting station and at least one station located in downstream from the transfer station, in the direction of vehicle traffic along the track.
• the instructions generated by the module allow a modification of the traffic within the control domain.
• control area of the transfer station comprises the transfer station and, for each track of the lines interconnected to said transfer station, at least one station located upstream of the transfer station, in the direction of vehicle traffic on along the way.
• control domain associated with a module is included in the surveillance domain associated with this module.
• Figure 1 is a schematic representation of a multimodal network
• Figure 2 is a schematic representation in the form of blocks of a supervision infrastructure of the multimodal network of Figure 1;
• Figure 3 is a schematic representation in the form of blocks of a management module of a correspondence station according to the invention belonging to the infrastructure of Figure 2.
• Figure 1 represents a land multimodal transport network 1. It groups together a plurality of monomodal networks L1 to L7. To clarify the present description, each single-mode network here consists of a single line.
• a line is made up of two lanes, generally running in parallel with one another, each lane allowing vehicles to move in one direction of travel (indicated by arrows in Figure 1).
• Each single-mode network has a plurality of stopping points for the exchange of passengers.
• the L1 network has stops 1 1 1, 121,
• the correspondence stations are stations common to at least two different single-mode networks to allow a user a correspondence between these two single-mode networks.
• stations H1 to H5 are connecting stations (“hub” in English).
• the correspondent station H3 more particularly used in the remainder of this description, allows a correspondence between the first monomodal network L1 (more particularly the stopping points 161 and 162 thereof); the fourth single-mode network L4 (more specifically the stopping points 421 and 422 thereof); and the fifth single-mode network L5 (more specifically stopping points 521 and 522).
• Each single-mode network L1 to L7 is equipped with a conventional operating system allowing dynamic operation of the vehicles.
• Such an operating system is suitable for dynamically determining time tables for each of the vehicles in circulation at the current instant, in particular on the basis of operating information.
• an operating system is an ATS operating system, for “Automatic Train Supervision”, in the case of a single-mode network of the type. metro or tram, or an SAE operating system, for “Exploitation Aided System”, in the case of a single-mode bus-type network.
• the first L1 network being a metro network, it is equipped with an ATS system
• the fourth L4 network being a bus network, it is equipped with an SAE system
• the fifth L5 network which is a tram network, is equipped with an ATS system.
• a supervision infrastructure 10 makes it possible to have a global view of the traffic on the multimodal network 1 and to optimize the operation of each of the monomodal networks L1 to L7 in a synchronized manner.
• the supervision infrastructure 10 has a first level 11 and a second level 12.
• the first level 11, decentralized, comprises a plurality of local supervision modules 61 to 67, each local supervision module being associated with a traffic database 71 to 77.
• Each local supervision module is associated with a correspondence station of the network 1.
• the supervision infrastructure 10 comprises seven local supervision modules 61 to 67, and therefore seven traffic databases 71 to 77.
• the local supervision module 63 connected to the database 73, is associated with the correspondence station H3.
• Each local supervision module is interfaced with the SE L1 to SE L7 operating systems of the various single-mode networks interconnected to the associated correspondence station.
• the local supervision module 63 is connected to the ATS system of the L1 network, to the SAE system of the L4 network and to the ATS system of the L5 network.
• the second, centralized level 12 comprises a global supervision module 20, an operational data management module 40 and a crisis management module 50.
• the second level 12 also includes a history database 22, a database operating rules data 24, and a scenario database 52.
• the various local supervision modules are connected to each other and to the global supervision module 20 by means of a suitable communication network 30.
• the function of the supervision infrastructure 10 is the generation of instructions for the operation of each of the single-mode networks. These instructions are developed from traffic data obtained from each of the operating systems. A setpoint is taken into account by the operating system of the single-mode network to which it is addressed, as operating information to be taken into account dynamically in the preparation of the time tables.
• the supervision infrastructure 10 thus provides operating information external to the individual operating system of the single-mode network considered.
• the operating system consequently modifies the time table of a vehicle and / or its movement dynamics (that is to say by adapting the speed of circulation between two stations), while retaining control of the operation of the single-mode network, if only for operational safety issues.
• the various single-mode networks aggregated within the multimodal network must at least be based on the use of dynamic time tables, and preferably dynamic time tables which can be adjusted with a short response time, typically of the order of the second.
• the first level 11 has the function of local monitoring of traffic in the vicinity of each of the interchange stations of the multimodal network and of local control of traffic in the vicinity of each interchange station.
• a local supervision module associated with a correspondence station, is suitable for monitoring the traffic on the various networks interconnected to the correspondence station on a monitoring domain around this correspondence station.
• the DS3 monitoring domain of the module 63 associated with the correspondence station H3 groups together the stopping points 121 to 181 along the first channel and 132 to 182 along the second channel of the first network L1, the stopping points 41 1 to 431 of the first track and 412 to 432 of the second track of the fourth network L4, and the stopping points 51 1 to 541 of the first track and 512 to 542 of the second track of the fifth L5 network.
• a surveillance domain comprises the connection station with which it is associated and, for each channel of the lines crossing at this connection station, at least one station located upstream of the connection station and at least one station is located downstream of the transfer station, the qualifiers upstream and downstream relating to the direction of movement of vehicles along said lane.
• the traffic data acquired by the module 63 thus relate to events occurring within the surveillance domain.
• a local supervision module is also suitable for controlling the traffic on the various networks interconnected to the correspondence station on a control domain around this correspondence station.
• the control domain DC3 of the module 63 associated with the correspondence station H3 groups together the stopping points 141 to 161 of the first channel and 162 to 172 of the second channel of the first network L1, the points of stop 41 1 and 421 of the first track and 422 to 432 of the second track of the fourth network L4, and the stopping points 51 1 and 521 of the first track and 522 and 532 of the second track of the fifth network L5.
• a control domain comprises, in addition to the transfer station with which it is associated, for each channel of lines crossing at this transfer station, at least one station located upstream of the transfer station, in the direction vehicle traffic along the track considered.
• the instructions generated by the module 63 thus allow a modification of the traffic within the domain of said DC3 control.
• the two corresponding local monitoring modules acquire traffic data for common stopping points.
• the control domains are separate to avoid any instability of supervision which would result from conflicting instructions delivered by two local supervision modules.
• control domain is included in the monitoring domain.
• the control area of a local supervision module consists of the stopping points of the associated connecting station and, for each single-mode network interconnected to this connecting station, of one or more successive stopping points located upstream from the transfer station according to the direction of movement of the vehicles.
• a generic local supervision module 60 will be presented.
• the modules 61 to 67 result from the configuration of this generic module 60 so as to be able to meet the specific supervision needs at the level of each of the correspondence stations with which these modules are associated.
• the module 60 thus comprises a configuration means 80, allowing an operator, through a suitable man / machine interface 81, to define the values of a plurality of configuration parameters.
• These configuration parameters firstly comprise a table of single-mode networks T, which group together the identifiers of each of the single-mode networks interconnected to the associated correspondence station.
• These configuration parameters also include a TS monitoring table, which includes, for each single-mode network indicated in table T, the identifiers of each of the stopping points of this network at which the traffic should be monitored.
• these configuration parameters include a TC control table, which groups together, for each network in the T table, an identifier of the stopping points of this network for which setpoint operating information can be generated.
• the TS surveillance table thus makes it possible to define the DS surveillance domain around the correspondence station and the TC control table makes it possible to define the DC control domain around the correspondence station.
• the configuration means 80 include assistance functions (presenting the operator with a list of the correspondence stations of the network; for a selected correspondence station, all the single-mode networks which cross there; for a network single-mode all the identifiers of the breakpoints etc.) and the verification functionalities (for example that the breakpoints of the control table are also present in the monitoring table; that the breakpoints of the control table are actually downstream of the correspondence station; etc.)
• the module 60 includes a first communication interface 83 to receive traffic data from one or more operating systems and to be able to transmit instructions to one or more operating systems. This is, for example, a connection interface to the Internet network through which the module 60 communicates with the operating systems of each of the single-mode networks.
• the module 60 reads the table T and, for each network identifier of this table, subscribes to a service of the operating system of this network suitable for sending traffic data and receiving information from this network. 'exploitation.
• the module 60 reads the monitoring table TS and limits this subscription to traffic data relating to the stopping points indicated in the table TS for the network considered.
• the module 60 reads the TC control table and limits this subscription to operating information relating to the stopping points indicated in the TC table for the network considered.
• a bidirectional communication channel is established between the module 60 and each of the operating systems of the networks interconnected to the associated correspondence station. For example, for each monitored breakpoint, the module 60 receives from the operating system at least the following traffic data:
• the module 60 comprises a synthesis means 84 placed downstream of the first interface 83 and suitable for processing the traffic data received in order to produce synthesis data.
• the processing carried out by the module 60 consists in particular in calculating, from the traffic data relating to each individual network, summary data allowing correlation between networks.
• traffic data relating to the time of departure of a second vehicle from a correspondent station must be processed so as to translate it into summary data corresponding to a time constraint on the instant of arrival of a first vehicle at the transfer station: for example, the transfer time required for a passenger to go from the arrival platform of the first vehicle to the departure platform of the second vehicle is taken into account.
• the module 60 includes a second interface 85 allowing write and read actions in the dedicated database to which it is connected.
• the module 60 includes a third interface 86 for communication on the network 30, in particular for the establishment of bidirectional communication with the overall supervision module 20.
• the module 20 transmits in particular to the module 60 a set of operating rules which must be taken into account by the module 60 at a current instant to supervise the traffic. These R rules are stored in the random access memory 82 of the module 60.
• An exploitation rule is a logical rule, for example of the Boolean type, defined by exploitation experts.
• a rule is notably based on one or more summary data. More specifically, a rule is a function of one or more summary data.
• the module 60 includes a rule execution engine 87 suitable for reading a set of rules stored in the memory 82 and for executing it.
• a set of rules is executed when an associated event occurs, typically the modification of the value of traffic data in the database.
• the execution of a rule set is suspended when no rule in that set can no longer be executed.
• the result of the execution of a set of rules may consist of the generation of one or more instructions to the operating systems, an instruction comprising operating information which the recipient operating system must take into account.
• an instruction may consist of asking an operating system to hold a vehicle when it stops at a particular network stopping point in order to ensure connection with a vehicle traveling with a delay.
• An instruction may for example consist in requesting the modification of the mission assigned to a vehicle within the control area.
• the modification of the mission may, for example, consist of removing a stop or requiring an additional stop so as to adjust the time of arrival of the vehicle at the transfer station.
• the second level 12 has the function of evaluating the overall situation on the entire multimodal network and managing the multimodal network according to a transport plan.
• the global supervision module 20 is configured to operate in three possible modes.
• the module 20 selects, automatically or by the intervention of an operator, an operating profile of the multimodal network.
• a "full hours” profile whose operating rules give priority to user flows (favor traffic along a line used by a large number of users)
• a "off-peak” profile whose operating rules allow priority to be given to the male stations served (delaying a train with a low frequency to allow users to have their connection), or even an energy saving profile (make a train run with a delay not by holding it in a station but by limiting its speed between two stations).
• the selection of a profile is based for example on the time of day to determine whether it is off-peak or peak hours, etc.
• the associated sets of rules are read from the database 24 and transmitted to each of the modules 61 to 67 for execution. It should be noted that the sets of operating rules are predefined in the database 24. Each set of rules results from an operating analysis between the different operators of the single-mode networks affected by the implementation of the set. corresponding rules and the multimodal network operator.
• the supervision module 20 analyzes the evolution of the behavior of the network from characteristic events.
• the operational data management module 40 is able to determine an instantaneous state of the traffic on the multimodal network.
• the instantaneous traffic state can for example consist of a plurality of variables, each variable being associated with a level of load at a point of the multimodal network.
• module 40 collects data from different sources of information.
• This data can be operating data delivered by the supervision systems of single-mode networks, contextual operating data, such as meteorological data, or even surveillance data delivered by cameras.
• This information of different nature is aggregated by the module 40 to obtain an instantaneous state.
• the snapshot is stored in history database 22.
• the module 40 is able to compare the instantaneous state with a previous state so as to determine changes in the instantaneous state of the traffic, in particular variations in the load level. Such change of state information is then compared with similar information stored in the history database 22 so as to identify characteristic precursor events of a traffic overload situation.
• the identified characteristic events are transmitted in real time to the global supervision module 20.
• the module 20 is then suitable for implementing countermeasures making it possible to avoid saturation and avalanche phenomena.
• These countermeasures consist in deploying, on a case-by-case basis, new sets of operating rules on one or other of the modules 61 to 67. Once again these rules are predefined in the database of operating rules 24.
• the global supervision module 20 supervises the multimodal network when a part of it is unavailable, for example in the event of a temporary incident or unavailable infrastructure.
• a situation file is transmitted to the module 50.
• a module 60 can send back to the module 20 an indication of a major disturbance.
• the database 52 includes various predefined scenarios for reconfiguring the multimodal network.
• Each scenario is associated with a situation file and a situation file is associated with a plurality of possible reconfiguration scenarios.
• the scenario may consist in avoiding the use of the corresponding means of transport for a determined period of time, in retaining the vehicles of the line concerned in the upstream stations, or to put vehicles into service on a load shedding line.
• the module 50 is then able to analyze the impact of the implementation of each of the scenarios associated with the situation file in the management of the detected failure. For example, a forward-looking algorithm is executed on each of these scenarios to determine the best of them, taking into account relevant operating parameters, such as for example the reduction of the reconfiguration time of the multimodal network or the return to traffic. normal or the resynchronization of the various connecting stations of the multimodal network.
• the scenario leading to maximization of the capacity of the multimodal network is selected as the best possible scenario.
• the module 50 therefore makes it possible to anticipate the effect of the implementation of a scenario on the traffic state.
• Module 50 is a decision aid for the operator.
• the scenario allowing the best response to the failure in terms of traffic conditions is chosen by the operator and transmitted to the global supervision module 20.
• each scenario being associated with a plurality of operating rules in the base 52
• the operating rules associated with the best scenario are transmitted, by the module 20, to each of the modules 61 to 67 so that they implement them to lead to an effective reconfiguration of the operation of the multimodal network, for example by rendering a section of a line of a single-modal network unusable, by redefining the missions and consequently the timetables vehicles circulating on this single-mode network or neighboring single-mode networks, or by putting bypass lines and replacement vehicles into service.
• the set of operating rules that a local supervision module must execute at the current time is provided to it by the global supervision module 20 according to the operating profile of the multimodal network selected as indicated above. It is this set of rules that defines the global traffic management mechanisms implemented by the local supervision modules 61 to 67.
• the module 63 must verify a set of operating rules allowing synchronization between the L1 network and the L5 network which intersect at the correspondence station H3.
• the module 63 receives from the operating system of the network L1, it periodically receives an estimate of the time of arrival T1 at the stopping point 161 of a first vehicle V1 traveling on the first network L1 .
• the module 63 receives this information as soon as the first vehicle enters the DS3 surveillance domain.
• the module 63 receives from the operating system of the L5 network, it also receives an estimate of the time of arrival T2 at the stopping point 521 of a second V2 vehicle traveling on the L5 network. The module 63 receives this information as soon as the second vehicle enters the DS3 surveillance domain.
• the L5 network operating system also provides maximum downtime at breakpoint 521 so that module 63 can determine an estimated time to start at the latest T3 from breakpoint 521 for the second train V2 .
• the synthesis means of the module 63 calculates an arrival time interval T2 * and T3 * for the first vehicle allowing the passengers to have their connection with the second vehicle.
• This interval is an example of a summary data item, advantageously used in one or more rules for the correlation of the traffic between the various supervised monomodal networks.
• T1 or T2 * or T3 * are updated.
• T1 or T2 * or T3 * are updated. If the estimated time of arrival T1 is less than T2 * , it is then possible for a user to make his connection and to go from the first vehicle to the second vehicle. Consequently, the module 63 does not generate any particular instruction.
• the module 63 If, on the other hand, the estimated time T1 is greater than T2 * but less than T3 * , then passengers will be able to have their connection provided they retain the second train at the station. Consequently, the module 63 generates an instruction to the operating system of the network L5 including operating information indicating that the departure time of the second vehicle V2 must be delayed. For example, this operating information includes a duration corresponding for example to the difference T 1 -T2 * .
• the module 63 In order to allow the passengers of the first vehicle V1 to have their correspondence, without however excessively delaying the departure time of the second vehicle V2, the module 63 generates an instruction to the operating system of the network L1 consisting in modifying the assigned mission. to the first vehicle V1 so that it does not stop at stopping point 451 upstream of station H3. In this way, the instant T1 of arrival of the first vehicle V1 at the station H3 is advanced at least before the instant T3 * .
• An instruction is also sent to the L5 network operating system to delay the departure of the second V2 vehicle, but remaining within the predetermined interval authorized by the timetable.
• an instruction is also sent to the operating system of the L1 network to modify the mission of a third vehicle V3, which follows the first vehicle V1, so that it marks the stop at the stopping point 451.
• the module 63 If the module 63 cannot retain the second vehicle V2 to ensure the correspondence, the second vehicle V2 leaves.
• the module 63 transmits to the overall supervision module 20 the fact that a set of operating rules has not been respected. It is then up to module 20 to analyze the causes of this anomaly and possibly to deploy a new set of operating rules in order to better manage the traffic to allow correspondence between these two single-mode networks.
• the module 63 stops updating and transmitting the instruction on the corrected departure time of the second vehicle V2 to the other local supervision modules and the operating system of the L5 network.
• ⁇ can be implemented to dynamically modify time tables, redefine the mission of a vehicle, modify the dynamics of a vehicle between two stations, etc. More generally, a setpoint can be generated by a rule or a group of rules to influence any of the variables that a particular operating system is able to adjust.

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• 2019
  • 2019-07-29 FR FR1908623A patent/FR3099626B1/fr active Active
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