WO2017118996A2 - Système centralisé de priorisation de feux de circulation au niveau d'intersections routières au moyen d'un outil portable d'urgence - Google Patents

Système centralisé de priorisation de feux de circulation au niveau d'intersections routières au moyen d'un outil portable d'urgence Download PDF

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Publication number
WO2017118996A2
WO2017118996A2 PCT/IN2016/050463 IN2016050463W WO2017118996A2 WO 2017118996 A2 WO2017118996 A2 WO 2017118996A2 IN 2016050463 W IN2016050463 W IN 2016050463W WO 2017118996 A2 WO2017118996 A2 WO 2017118996A2
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WIPO (PCT)
Prior art keywords
vehicles
emergency service
emergency
zones
user
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Ceased
Application number
PCT/IN2016/050463
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English (en)
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WO2017118996A4 (fr
WO2017118996A3 (fr
Inventor
Mohamed Jasim MOOLIYATHODI
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Traffitizer Technologies Private Ltd
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Traffitizer Technologies Private Ltd
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Publication of WO2017118996A2 publication Critical patent/WO2017118996A2/fr
Publication of WO2017118996A3 publication Critical patent/WO2017118996A3/fr
Publication of WO2017118996A4 publication Critical patent/WO2017118996A4/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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Classifications

    • G—PHYSICS
    • G08—SIGNALLING
    • G08G—TRAFFIC CONTROL SYSTEMS
    • G08G1/00—Traffic control systems for road vehicles
    • G08G1/07—Controlling traffic signals
    • G08G1/087—Override of traffic control, e.g. by signal transmitted by an emergency vehicle
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
    • H04W4/02—Services making use of location information
    • H04W4/029—Location-based management or tracking services
    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING SYSTEMS, e.g. PERSONAL CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B25/00—Alarm systems in which the location of the alarm condition is signalled to a central station, e.g. fire or police telegraphic systems
    • G08B25/006—Alarm destination chosen according to type of event, e.g. in case of fire phone the fire service, in case of medical emergency phone the ambulance
    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING SYSTEMS, e.g. PERSONAL CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B25/00—Alarm systems in which the location of the alarm condition is signalled to a central station, e.g. fire or police telegraphic systems
    • G08B25/01—Alarm systems in which the location of the alarm condition is signalled to a central station, e.g. fire or police telegraphic systems characterised by the transmission medium
    • G08B25/016—Personal emergency signalling and security systems
    • G—PHYSICS
    • G08—SIGNALLING
    • G08G—TRAFFIC CONTROL SYSTEMS
    • G08G1/00—Traffic control systems for road vehicles
    • G08G1/20—Monitoring the location of vehicles belonging to a group, e.g. fleet of vehicles, countable or determined number of vehicles
    • G08G1/202—Dispatching vehicles on the basis of a location, e.g. taxi dispatching
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
    • H04W4/30—Services specially adapted for particular environments, situations or purposes
    • H04W4/40—Services specially adapted for particular environments, situations or purposes for vehicles, e.g. vehicle-to-pedestrians [V2P]
    • H04W4/44—Services specially adapted for particular environments, situations or purposes for vehicles, e.g. vehicle-to-pedestrians [V2P] for communication between vehicles and infrastructures, e.g. vehicle-to-cloud [V2C] or vehicle-to-home [V2H]
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
    • H04W4/90—Services for handling of emergency or hazardous situations, e.g. earthquake and tsunami warning systems [ETWS]

Definitions

  • the embodiments herein generally relate to controlling of traffic signals and, more particularly, to a method and system for prioritizing one or more emergency service vehicles based on a prioritizing value of an incident, and a zone priority value of one or more sub-zones.
  • a conventional traffic controlling system may include a transistor (e.g. the conventional traffic controlling system in the one or more emergency vehicles) and a receiver (e.g. in a road intersection) for getting the preemption.
  • a driver of the one or more emergency vehicles triggers the transistor to communicate with the road intersection to get the preemption.
  • the receiver receives a request from the one or more emergency service vehicles and provides a green signal to a zone where the one or more emergency vehicles are coming. Then the conventional traffic controlling system may back to its normal operations.
  • a zone, at which the one or more emergency service vehicles present, may get an extra duration of green signal. This extra duration leads to traffic congestion on the other side of the road intersection.
  • the conventional traffic controlling system fails to take a proper decision when the one or more emergency service vehicles are present on one or more zones of the road intersections.
  • the one or more emergency service vehicles may present in the road intersection (located at the one or more zones e.g., north, south, east, and west).
  • Other conventional traffic controlling system typically may include a transistor, a receiver and a computer system.
  • the one or more emergency service vehicles send signals to the computer system through the transistor.
  • the computer system receives the signals from the one or more emergency service vehicles through the receiver.
  • the computer system changes a traffic signal based on a received signal and pre-allocated priority values assigned to various category of the one or more emergency service vehicles.
  • the traffic controlling system may track a location of the one or more emergency service vehicles in real-time, but fails to change or update priority values of the one or more emergency service vehicles in real-time.
  • an embodiment herein provides a centralized system for prioritizing one or more emergency service vehicles based on a priority value of an incident and a zone priority value of one or more zones.
  • the centralized system includes an incident information obtaining module, a priority value determination module, an emergency service vehicle identification module, an emergency service verification module, a high priority zone identification module and an intersection control module.
  • the incident information obtaining module obtains information related to an incident from one or more users and a location of the one or more users from a user handheld device associated with the one or more users.
  • the priority value determination module determines a priority value for the incident based on a nature of the incident.
  • the emergency service vehicle identification module identifies one or more emergency service vehicles in a close proximity of the user.
  • the emergency service vehicle identification module performs an extended search based on the nature of the incident to identify the one or more emergency service vehicles until the one or more emergency service vehicles is identified.
  • the emergency service verification module verifies the one or more emergency vehicles reaches to a location of the user in time.
  • the emergency service verification module identifies a distance between the user and the one or more emergency vehicles.
  • the emergency service verification module provides information that comprises a fastest route to the one or more emergency service vehicles based on (i) the distance between the user, and the one or more emergency service vehicles, and (ii) a traffic to reach the location of the user.
  • the emergency service verification module determines a calculated expiry time for the one or more emergency service vehicles to reach the location of the user.
  • the emergency service verification module repeats the extended search process until the one or more emergency vehicles is committed to reach to the location of the user when the calculated expiry time of the one or more emergency service vehicles is expired.
  • the high priority zone identification module identifies the one or more emergency service vehicles present in each of the one or more zones over road intersections. Each of the one or more zones includes one or more sub-zones. The one or more sub-zones include a sub-zone priority value. The sub-zone priority value of the one or more sub-zones is added with a priority value of the one or more emergency service vehicles present at the one or more sub- zones to obtain a zone priority value for each of the one or more zones.
  • the high priority zone identification module identifies a high priority zone that includes a high priority value from the one or more zones.
  • the intersection control module controls traffic signals by calculating a distance between the one or more emergency vehicles and the road intersection.
  • the intersection control module opens a green signal at the road intersection for the one or more emergency vehicles based on (i) the high priority zone and (ii) the distance between the one or more emergency vehicles and the road intersection.
  • the centralized system further includes an intersection normalization module that normalizes the traffic signals at the road intersection after providing the green signal for the high priority zone comprising the one or more emergency service vehicles.
  • the intersection normalization module determines an amount of time that the green signal is opened for the one or more emergency services on the high priority zone and reduces the amount of time consumed in excess by the high priority zone in the subsequent round robin scheduling cycle.
  • the intersection control module opens the green signal before the one or more emergency vehicles reach the road intersection.
  • the intersection control module generates an alert to the people at the road intersection to notice the sudden change in the course of traffic signal due to an emergency at the road intersection.
  • the centralized system provides an option to an administrator to assign a priority value for the one or more emergency service vehicles at any time.
  • the one or more zones or sub-zones includes public vehicles and private vehicles. The centralized system determines a duration of the green signal based on a sum of priority of public and private vehicles present at the one or more zones or sub-zones at the road intersection when the one or more emergency service vehicles are not present at the one or more zones or sub- zones.
  • a method for prioritizing one or more emergency vehicles based on a priority value of an incident and a zone priority value of one or more zones includes the following steps: (a) obtaining information related to an incident from users and a location of the user from a user handheld device associated with the user; (b) determining a priority value for the incident based on a nature of the incident; (c) identifying the one or more emergency service vehicle in a close proximity of the user; (d) verifying whether the one or more emergency service vehicles reaches to the location of the users in time; (e) identifying a distance between the user and the one or more emergency vehicles to provide information that comprises a fastest route to the one or more emergency service vehicles based on (i) the distance between the user and the one or more emergency service vehicles, and (ii) a traffic to reach the location of the user; (f) identifying the one or more emergency service vehicles present in each of the one or more zones over road intersections, wherein each of the one or more zones comprises
  • the method further includes the step of determining a calculated expiry time for the one or more emergency service vehicles to reach the user.
  • the method further includes the step of assigning a priority value for the one or more emergency service vehicles through a driver handheld tool.
  • the method further includes the steps of (i) performing an extended search based on the nature of the incident to identify the one or more emergency service vehicles until the one or more emergency service vehicles is identified, and (b) repeating the extended search process until the one or more emergency vehicles is committed to reach to the location of the user when the calculated expiry time of the one or more emergency service vehicles is expired.
  • FIG. 1 illustrates a schematic illustration of a system that prioritizes road traffic signal for one or more emergency service vehicles at road intersection according to an embodiment herein;
  • FIG. 2 illustrates an exploded view of the centralized system of FIG. 1 according to an embodiment herein;
  • FIG. 3 illustrates an exemplary view of one or more zones on the road intersections according to an embodiment herein;
  • FIG. 4 illustrates user interface views of an emergency handheld tool according to an embodiment herein;
  • FIG. 5 illustrates a user interface view of a sample priority of each incident assigned in the centralized system of FIG. 1 according to an embodiment herein;
  • FIG.6 illustrates a block diagram of a road intersection unit of the system of FIG. 1 according to an embodiment herein;
  • FIG. 7 illustrates an exemplary view of assigning a custom defined priority value for the one or more emergency vehicles using the centralized system of FIG. 1 according to an embodiment herein;
  • FIG. 8 is a flow diagram that illustrates a method for prioritizing a road traffic signal at the road intersection according to an embodiment herein;
  • FIG. 9 a schematic diagram of a controller used in accordance with the embodiment herein.
  • FIGS. 1 through 9 where similar reference characters denote corresponding features consistently throughout the figures, there are shown preferred embodiments.
  • FIG. 1 illustrates a schematic illustration of a system that prioritizes road traffic signal for one or more emergency service vehicles at road intersection according to an embodiment herein.
  • the system includes a user 102, a user handheld device 104, a network 106, a centralized system 108, one or more emergency service vehicles 110A-N, a road intersection unit 112, an emergency handheld tool 114, and a public and private vehicle location manager 116.
  • the emergency handheld tool 114 is installed in the user handheld device 104.
  • the emergency handheld tool 114 is installed in the centralized system 108.
  • the user 102 sends an emergency service request to the centralized system 108 using the user handheld device 104 through the network 106.
  • the user 102 and the user handheld device 104 may be one or more.
  • the user 102 sends the emergency service request to the centralized system 108 using a phone call.
  • the network 106 may be a wireless network, local area network (LAN) or wide area network (WAN) etc.
  • the centralized system 108 identifies/obtains incident information from the user 102 and a location of the user 102 through the user handheld device 104 when the emergency service request is received from the user 102.
  • the centralized system 108 performs an extended search to identify the one or more emergency service vehicles 110A-N based on the location of the user 102.
  • the one or more emergency service vehicles 110A-N may be an ambulance, a fire engine or a police vehicle.
  • the one or more emergency service vehicles 110A-N includes a driver handheld device, which may be operated by a driver of the one or more emergency service vehicles 110A-N.
  • the driver handheld device may a part of the one or more emergency service vehicles 110A-N
  • the driver handheld device includes the emergency handheld tool 114.
  • the driver may send an emergency service request to the centralized system 108 through the driver handheld device.
  • the centralized system 108 detects a location of the one or more emergency service vehicles 110A-N and the location of the user 102 / driver, from whom an emergency service request is received.
  • the emergency handheld tool 114 sends the location of the one or more emergency service vehicles 110A-N to the centralized system 108 through the network 106 or any other network.
  • the centralized system 108 allocates the one or more emergency service vehicles 110A-N that is in close proximity to the user 102 / the driver.
  • the centralized system 108 verifies whether the one or more emergency service vehicles 110A-N reaches to the user 102 in time or not.
  • the centralized system 108 assigns a priority value to the one or more emergency service vehicles 110A-N based on a nature of the incident, which is handled by the one or more emergency service vehicles 110A-N.
  • the driver of an emergency service vehicle 110 may change a priority value of the emergency service vehicle 110 during journey based on the nature of the incident handled by the emergency service vehicle 110.
  • the priority values for the incident may be defined by the decision makers (e.g. an administrator) of the concerned authority.
  • the centralized system 108 further identifies a high priority zone based on the one or more emergency service vehicles 110A-N present in each of one or more zones.
  • the centralized system 108 controls traffic signals by calculating a distance between the one or more emergency vehicles and the road intersection.
  • the centralized system 108 sends a control input to open a green signal at the road intersection for the one or more emergency vehicles based on (i) the high priority zone and (ii) the distance between the one or more emergency vehicles and the road intersection.
  • the road intersection unit 112 controls a road traffic signal based on the control input that includes information to open or close a green signal based on the high priority zone which is having high priority value received from the centralized system 108.
  • the high priority zone is identified by of the centralized system 108.
  • the road intersection unit 112 includes the traffic signal controller.
  • the centralized system 108 may provide an input to a traffic signal controller.
  • the traffic signal controller acts as the road intersection unit 112.
  • the road intersection unit 112 provides a green signal to the high priority value zone.
  • the public and private vehicle location manager 116 receives location information of public and private vehicles at each side of the road intersection.
  • the public and private vehicle location manager 116 can (i) receive, (ii) store, (iii) update, (iv) delete location information of connected public and private vehicles.
  • the public and private vehicle location manager 116 provides location information of the public and private vehicles to the centralized system 108.
  • the centralized system 108 allocates priority values for to the public and private vehicles (public vehicles has high priority then private vehicles). For example, we can provide priority value "1" for each vehicle and maybe higher priority value for transit vehicles such as buses if required.
  • the centralized system 108 adjusts the duration of the green signal for each sides of the road intersection in real time.
  • the centralized system 108 adjusts the duration of the green signal based on the priority of the public and private vehicles present at various zones and sub-zones of an intersection when there is no one or more emergency service vehicles 11 OA-N at each side of the road intersection (When an emergency vehicle is present at any zones or sub-zone of the centralized system 108, the priority values of public and private vehicles are not considered).
  • FIG. 2 illustrates an exploded view of the centralized system 108 of FIG. 1 according to an embodiment herein.
  • the centralized system 108 includes a database 202, an incident information obtaining module 204, a priority value determination module 206, an emergency service vehicle identification module 208, an emergency service verification module 210, a high priority zone identification module 212, an intersection control module 214, and an intersection normalization module 216.
  • the incident information obtaining module 204 obtains information related to an incident from one or more users and a location of the one or more users through the user handheld device 104.
  • the priority value determination module 206 determines a priority value for the incident.
  • the priority value determination module 206 determines the priority value based on a nature of the incident.
  • the priority value determination module changes the priority value of emergency vehicle in real-time depending up on the speed, traffic, case and distance of the emergency movement.
  • the emergency service vehicle identification module 208 identifies the one or more emergency service vehicles 11 OA-N in a close proximity of the user 102.
  • the emergency service vehicle identification module 208 performs an extended search based on the nature of incident to identify the one or more emergency service vehicles 110A-N until the one or more emergency service vehicles 11 OA-N is identified.
  • the emergency service verification module 210 verifies the one or more emergency service vehicles 11 OA-N reached to the user 102 in time.
  • the emergency service verification module (210) identifies a distance between the user 102 and the one or more emergency vehicles (11 OA-N).
  • the emergency service verification module 210 provides information associated with the user 102 to the one or more emergency service vehicles 11 OA-N including a fastest route based on (i) the distance between the user 102 and or more emergency service vehicles 11 OA-N and (ii) a traffic to reach the location of the user 102.
  • the emergency service verification module 210 determines a calculated expiry time for the one or more emergency service vehicles 11 OA-N to reach the location of the user 102.
  • the emergency service verification module 210 repeats the extended search process until the one or more emergency vehicles 110A-N is committed to reach to the location of the user when the calculated expiry time of the one or more emergency service vehicles 11 OA-N is expired.
  • the high priority zone identification module 212 identifies the one or more emergency service vehicles 11 OA-N present in each of the one or more zones over road intersections. In an embodiment, the high priority zone identification module 212 identifies the highest priority value of the highest priority vehicle in each of the one or more zones over road intersections. Each of the one or more zones includes one or more sub-zones. The one or more sub-zones include a sub-zone priority value. The sub-zone priority value of the one or more sub-zones is added with a priority value of the one or more emergency service vehicles 11 OA-N present at the one or more sub-zones to obtain a zone priority value for each of the one or more zones.
  • the high priority zone identification module 212 identifies a high priority zone that includes a high priority value from the one or more zones.
  • the high priority value of a zone can be determined by the highest priority emergency vehicle present in each zone of a junction or by the sum of priorities of total emergency vehicles present on each zone of the junction at the instance, which is decided by the decision makers of the concerned authority.
  • the intersection control module 214 controls traffic signals by calculating a distance between the one or more emergency vehicles 11 OA-N and the road intersection.
  • the intersection control module 214 opens a green signal at the road intersection for the one or more emergency vehicles 11 OA-N based on (i) the high priority zone and (ii) the distance between the one or more emergency vehicles 11 OA-N and the road intersection.
  • the intersection control module 214 opens the green signal in a bit advance of the one or more emergency vehicles 11 OA-N reaches the road intersection.
  • the intersection control module 214 generates an alert to the people to notice the sudden change in the course of the traffic signal due to an emergency at the road intersection.
  • the driver of the emergency service vehicle 110 sends a request to the centralized system 108.
  • the driver of the emergency service vehicle 110 may change the priority value of the emergency vehicle 110 through the driver handheld device.
  • the centralized system 108 provides an option to administrator to change/assign priority values of each of the one or more emergency service vehicles 110A-N at any time. This process is carried manually by the administrator (e.g. officers) and called as "green corridor". In the green corridor, using the centralized system 108, the administrator can activate the green corridor by over writing all other conditions and inputs from the other users and the one or more emergency service vehicles 110A-N.
  • the one or more emergency service vehicles 110A-N associated with green corridor are considered as the top priority in its route.
  • the centralized system 108 may identify a pre-defined route of the particular emergency service vehicles and provide a green signal in before the one or more emergency service vehicles 110A-N reaches the road intersection.
  • the intersection normalization module 216 normalizes the traffic signals at the road intersection after providing the green signal for the high priority zone comprising the one or more emergency service vehicles 110A-N.
  • the intersection normalization module 216 determines an amount of time consumed by the one or more emergency service vehicles 110A-N on the high priority zone and particular excess time is reduced for the subsequent round robin scheduling cycles.
  • the normalization process may not be needed, when (a) public and private vehicles are considered for prioritizing the traffic signal and (b) the centralized system 108 receives the location information of private/public vehicles. In an embodiment, the normalization process may not be effective when the traffic signals are switched according to the traffic intensity in the incident.
  • the history records of supplemented green signal time changes due to the one or more emergency service vehicle preemption is required for normalization process.
  • the history records may be stored in the traffic signal controller of the road intersection unit 112 or the centralized system 108.
  • the database 202 is capable of recording the location information of the emergency cases reported.
  • the centralized system 108 analyses reported information and can generate reports on the emergency requirements of various regions.
  • FIG. 3 illustrates an exemplary view of one or more zones on the road intersections according to an embodiment herein.
  • the one or more zones include a north zone 302, an east zone 304, a south zone 306 and a west zone 308.
  • the dimensions of the one or more zones may vary from small as 1 meter to close as to the next road intersection.
  • the centralized system 108 is capable of changing the dimensions of the one or more zones in real time.
  • Each of the one or more zones includes one or more sub-zones.
  • the number sub-zones may vary based on probability/frequency of multiple occurrence of the one or more emergency vehicles 110A-N from multiple directions and traffic intensity of respective road intersection.
  • the dimensions of the sub zones may vary.
  • the north zone 302 includes a north sub-zonel 310 and a north sub-zone2 312.
  • the east zone 304 includes east sub-zonel 314, and east sub-zone2 316.
  • the south zone 306 includes a south sub-zonel 318, and a south sub-zone2 320.
  • the west zone 308 includes a west sub- zonel 322, and a west sub-zone2 324.
  • Each of the one or more sub-zones includes a sub- zone priority value.
  • the objective of the one or more sub-zones is provided priority to the one or more emergency service vehicles 110 A-N when the one or more emergency service vehicles 110A-N arrives close to the road intersection.
  • the number of sub-zones in a zone of the road intersection and their respective priorities values are assigned based on the traffic conditions of that specific road intersection.
  • the identification of the one or more emergency service vehicles 110A-N inside the one or more zones are performed by a sub-system installed in the emergency service vehicle or centralized system 108.
  • the sub-system may be a hardware device or a handheld device, which can collect the location information of the one or more emergency service vehicles 110A-N.
  • the sub-system includes may communicate information to the centralized system 108 through the network 106.
  • the user handheld device 104 obtains a current location information of the user 102 and communicates the location information of the user 102 to centralized system 108.
  • the sub-zone priority value of the one or more sub-zones is added with priority value of the one or more emergency service vehicles 110 A-N present at one or more sub-zones to obtain a priority value for each of the one or more zones.
  • the centralized system 108 identifies the high priority zone that includes the high priority value.
  • the priority value of the one or more emergency service vehicles 110A-N may be assigned by the centralized system 108 based on the nature of the incident that is handled by the one or more emergency vehicles 110A-N.
  • the centralized system 108 assigns the priority value for the one or more emergency service vehicles 110A- N when the one or more emergency service vehicles 110 A-N responds to the incident.
  • the centralized system 108 determines which zone has to be provided with the green signal and pass information to the sub-system.
  • the sub-system is installed in the road intersection unit 112.
  • FIG. 4 illustrates user interface views of an emergency handheld tool 114 according to an embodiment herein.
  • the user interface views include a user registration field 402, an emergency vehicle selection field 404, and report incident field 406.
  • the user registration field 402 includes an option to enter a name, a designation, an address and an ID proof of the user 102.
  • the emergency vehicle selection field 404 includes an option to select an ambulance, a fire engine, a police vehicle or special armed forces etc.
  • the user 102 needs to select any one of the emergency service vehicles based on a nature of the incident.
  • the report incident field 406 includes an option to select fire in the building, a drowning, hit & run, rape attempt, criminal spotted or terrorist spotted etc.
  • the user 102 selects any one of the above-mentioned incidents suitable to the user 102.
  • FIG. 5 illustrates a user interface view of a sample priority of each incident assigned in the centralized system 108 of FIG. 1 according to an embodiment herein.
  • the user interface view includes a list of incidents with a priority value 502, which is reported by the user 102, and a list of emergency service vehicles 504 that is assigned for a task.
  • FIG.6 illustrates a block diagram of a road intersection unit 112 of the system of FIG. 1 according to an embodiment herein.
  • the road intersection unit 112 identifies the presence of emergency service vehicle 110 in the one or more zones associated with the road intersection. If emergency service vehicles 110A-N are identified in the one or more zones over the road intersections, the centralized system 108 adds sub-zone priority values of the one or more sub-zones with a priority value of the one or more emergency service vehicles 110A-N present at the one or more sub-zones to obtain a zone priority value for the one or more zones.
  • the centralized system 108 provides a control input that includes information to open or close a green signal based on the high priority zone which is having high priority value received to the road intersection unit 112.
  • the centralized system 108 may be installed in the road intersection unit 112.
  • the road intersection unit 112 includes a router 602, a traffic signal controller 604, a switching circuit 606, one or more relays 608A-C and one or more traffic signals 610A-C.
  • the input of the centralized system 108 is received by the traffic signal controller 604 through the router 602.
  • the traffic signal controller 604 triggers the switching circuit 606.
  • the switching circuit 606 controls/initiates the one or more relays 608A-C based on the input of the centralized system 108.
  • the one or more relays 608A-C act as a switch, which is used to ON/OFF the traffic signal based on the input of the centralized system 108.
  • the centralized system 108 normalizes traffic control process after the priority process is completed in order to reduce traffic congestion on other zones.
  • the high priority zone value of each zone is compared to identify a high priority zone and a green signal is provided for the high priority zone (i.e. the north zone, the south zone, the east zone and the west zone) based on the highest priority value.
  • FIG. 7 illustrates an exemplary view of assigning a custom defined priority value for the one or more emergency vehicles 110A-N using the centralized system 108 of FIG. 1 according to an embodiment herein.
  • the user interface view of the centralized system 108 includes a user interface 702, a predefined priority value 704, and a custom defined priority values set by the administrative users 706.
  • the administrator e.g. the officers in the operation centre
  • the centralized system 108 assigns a priority value for the one more emergency service vehicles 110A-N based on the nature of an incident handling by the one or more emergency service vehicles 110A-N.
  • the driver of the emergency service vehicle 110 requests for a specific priority value depending upon the incident handled by the one or more emergency service vehicles 110A-N.
  • the centralized system 108 assigns a set of priority values to the one or more emergency service vehicles 110A-N (e.g. a priority value 1 for all police vehicles, 2 for ambulances and 3 for fire engines). In one embodiment, the centralized system 108 assigns specific priority value for the one or more emergency vehicles based on the predefined priority value of the incident.
  • the administrator e.g. the officers in the operation centre
  • the priority values assigned by the centralized system are known as the predefined priority values 704.
  • the administrator in centralized system 108 may change the predefined priority values 704 of each emergency service vehicles in real-time.
  • the administrator changes the predefined priority value 704 to the custom defined priority values 708.
  • the centralized system 108 triggers the road intersection unit 112 installed in the specific traffic intersection.
  • the road intersection unit 112 provides input through the input port of the traffic signal controller 604, hence the traffic signal controller turns the traffic signal to green accordingly.
  • the centralized system 108 directly provides an input to the traffic signal controller.
  • FIG. 8 is a flow diagram that illustrates a method for prioritizing a road traffic signal at the road intersection unit according to an embodiment herein.
  • incident information of the user 102 and a location is obtained using the user handheld device 104.
  • a priority value of the incident is determined based on a nature of the incident.
  • the one or more emergency service vehicles 110A-N in a close proximity of the user 102 are identified.
  • an extended search is performed until the system identifies the one or more emergency service vehicles 110A-N.
  • the one or more emergency service vehicles 110A-N are verified whether the emergency service vehicles are reached to the user 102 in time or not.
  • the one or more emergency service vehicles 110A-N present in one or more sub-zones over road intersections are identified.
  • a zone with high priority is determined.
  • traffic is controlled based on the zone with high priority.
  • traffic is normalized by providing a green signal for sides compromised of the one or more emergency service vehicles 110A-N.
  • the one or more sub-zones include public and private vehicles.
  • the public and private vehicles are considering for effectively prioritizing traffic signals with the one or more zones and one or more sub zones, which mean the centralized system 108, can use information of a location tracking device of handheld users for effectively prioritizing traffic signals with the one or more zones and sub zones.
  • the centralized system 108 receives location information of the public and private vehicles through the public and private vehicle location manager 116.
  • the public and private vehicle location manager 116 may receive the location information directly from the location tracking devices fixed with the public and private vehicles, the handheld device 104 of the user 102 or the mobile service providers or aggregators such as Google, etc.
  • the centralized system 108 determines a duration of the green signal based on the sum of priority of public and private vehicles present at each of the one or more zones and the one or more sub-zones at the road intersection when the one or more emergency service vehicles 110A-N are not present at the one or more sub-zones..
  • the centralized system 108 receives the location information of the public and private vehicles from the public and private vehicle location manager 116.
  • the centralized system 108 assign priority for the public and private vehicles in which public vehicle such a transit buses may have slightly higher priority.
  • the centralized system also identifies the public and private vehicle present at various zones and sub-zones of a road intersection.
  • the centralized system 108 adjusts the duration of the green signal for each sides of the road intersection in real time.
  • the centralized system 108 adjusts the duration of the green signal based on the priority of the public and private vehicles when there is no one or more emergency service vehicles 110A-N at each side of a road intersection.
  • the system is useful for the administrator (e.g., officer) to effectively distribute the emergency services in different locations and hence reduce the response time during a disaster.
  • FIG. 9 A representative hardware environment for practicing the embodiments herein is depicted in FIG. 9.
  • the centralized system 108 comprises at least one processor or central processing unit (CPU) 10.
  • the CPUs 10 are interconnected via system bus 12 to various devices such as a random-access memory (RAM) 14, read-only memory (ROM) 16, and an input/output (I/O) adapter 18.
  • RAM random-access memory
  • ROM read-only memory
  • I/O input/output
  • the I/O adapter 18 can connect to peripheral devices, such as disk units 11 and tape drives 13, or other program storage devices that are readable by the system.
  • the centralized system 108 can read the inventive instructions on the program storage devices and follow these instructions to execute the methodology of the embodiments herein.
  • the system further includes a user interface adapter 19 that connects a keyboard 15, mouse 17, speaker 24, microphone 22, and/or other user interface devices such as a touch screen device (not shown) to the bus 12 to gather user input.
  • a communication adapter 20 connects the bus 12 to a data processing network 25, and a display adapter 21 connects the bus 12 to a display device 23 which may be embodied as an output device such as a monitor, printer, or transmitter, for example.
  • the centralized system 108 further includes a user interface adapter 19 that connects a keyboard 15, mouse 17, speaker 24, microphone 22, and/or other user interface devices such as a touch screen device (not shown) or a remote control to the bus 12 to gather user input.
  • a communication adapter 20 connects the bus 12 to a data processing network 25, and a display adapter 21 connects the bus 12 to a display device 23 which may be embodied as an output device such as a monitor, printer, or transmitter, for example.

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  • Engineering & Computer Science (AREA)
  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Environmental & Geological Engineering (AREA)
  • Computer Security & Cryptography (AREA)
  • Traffic Control Systems (AREA)

Abstract

Cette invention concerne un système centralisé (108) de priorisation de feux de circulation pour un ou plusieurs véhicules d'intervention d'urgence (110A-N) sur différents segments de route d'une intersection routière. Le système centralisé (108) détermine une valeur de priorité pour un incident sur la base d'informations d'incident obtenues en provenance d'un utilisateur (102) et d'une nature de l'incident. Le système centralisé (108) identifie ledit/lesdits véhicule(s) d'intervention d'urgence à proximité immédiate de l'utilisateur (102). Le système centralisé (108) identifie en outre : (i) ledit/lesdits véhicule(s) d'intervention d'urgence (110A-N) présent(s) dans chacune d'une ou plusieurs zone(s) sur l'intersection routière et (ii) une zone de haute priorité comprenant une valeur de zone de haute priorité parmi ladite/lesdites zone(s). Le système centralisé (108) commande en outre les feux de circulation sur la base de la zone de haute priorité et d'une distance entre ledit/lesdits véhicule(s) d'urgence (110A-N) et l'intersection routière.
PCT/IN2016/050463 2016-01-07 2016-12-30 Système centralisé de priorisation de feux de circulation au niveau d'intersections routières au moyen d'un outil portable d'urgence Ceased WO2017118996A2 (fr)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2019103688A1 (fr) * 2017-11-24 2019-05-31 Telefonaktiebolaget Lm Ericsson (Publ) Planification sensible à la localisation
US11232707B1 (en) 2020-08-19 2022-01-25 Global Traffic Technologies, Llc Incident-based traffic signal preemption and priority

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9536427B2 (en) * 2013-03-15 2017-01-03 Carnegie Mellon University Methods and software for managing vehicle priority in a self-organizing traffic control system
US9237243B2 (en) * 2013-09-27 2016-01-12 Anne Marie Jensen Emergency incident categorization and alerting
US10171980B2 (en) * 2014-04-08 2019-01-01 Jason Friesen Systems and methods for emergency response dispatch

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2019103688A1 (fr) * 2017-11-24 2019-05-31 Telefonaktiebolaget Lm Ericsson (Publ) Planification sensible à la localisation
US11510220B2 (en) 2017-11-24 2022-11-22 Telefonaktiebolaget Lm Ericsson (Publ) Location aware scheduling
US11232707B1 (en) 2020-08-19 2022-01-25 Global Traffic Technologies, Llc Incident-based traffic signal preemption and priority
WO2022039800A1 (fr) * 2020-08-19 2022-02-24 Global Traffic Technologies, Llc Préemption et priorité de feu de circulation en fonction d'incidents
EP4200824A4 (fr) * 2020-08-19 2024-01-17 Global Traffic Technologies, LLC Préemption et priorité de feu de circulation en fonction d'incidents
AU2021329202B2 (en) * 2020-08-19 2025-09-18 Miovision Technologies Us, Llc Incident-based traffic signal preemption and priority

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WO2017118996A3 (fr) 2017-10-05

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