WO2021136209A1 - 车速控制方法、装置和设备 - Google Patents

车速控制方法、装置和设备 Download PDF

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Publication number
WO2021136209A1
WO2021136209A1 PCT/CN2020/140372 CN2020140372W WO2021136209A1 WO 2021136209 A1 WO2021136209 A1 WO 2021136209A1 CN 2020140372 W CN2020140372 W CN 2020140372W WO 2021136209 A1 WO2021136209 A1 WO 2021136209A1
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WO
WIPO (PCT)
Prior art keywords
vehicle
speed
speed control
control device
speed limit
Prior art date
Application number
PCT/CN2020/140372
Other languages
English (en)
French (fr)
Inventor
周翔
Original Assignee
上海移为通信技术股份有限公司
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by 上海移为通信技术股份有限公司 filed Critical 上海移为通信技术股份有限公司
Priority to EP20911055.0A priority Critical patent/EP4067147A4/en
Publication of WO2021136209A1 publication Critical patent/WO2021136209A1/zh
Priority to US17/845,886 priority patent/US20220314988A1/en

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
    • B60K31/00—Vehicle fittings, acting on a single sub-unit only, for automatically controlling vehicle speed, i.e. preventing speed from exceeding an arbitrarily established velocity or maintaining speed at a particular velocity, as selected by the vehicle operator
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
    • B60W30/00—Purposes of road vehicle drive control systems not related to the control of a particular sub-unit, e.g. of systems using conjoint control of vehicle sub-units, or advanced driver assistance systems for ensuring comfort, stability and safety or drive control systems for propelling or retarding the vehicle
    • B60W30/14—Adaptive cruise control
    • B60W30/143—Speed control
    • B60W30/146—Speed limiting
    • G—PHYSICS
    • G08—SIGNALLING
    • G08G—TRAFFIC CONTROL SYSTEMS
    • G08G1/00—Traffic control systems for road vehicles
    • G08G1/01—Detecting movement of traffic to be counted or controlled
    • G08G1/0104—Measuring and analyzing of parameters relative to traffic conditions
    • G08G1/0108—Measuring and analyzing of parameters relative to traffic conditions based on the source of data
    • G08G1/0116—Measuring and analyzing of parameters relative to traffic conditions based on the source of data from roadside infrastructure, e.g. beacons
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
    • B60K31/00—Vehicle fittings, acting on a single sub-unit only, for automatically controlling vehicle speed, i.e. preventing speed from exceeding an arbitrarily established velocity or maintaining speed at a particular velocity, as selected by the vehicle operator
    • B60K31/0058—Vehicle fittings, acting on a single sub-unit only, for automatically controlling vehicle speed, i.e. preventing speed from exceeding an arbitrarily established velocity or maintaining speed at a particular velocity, as selected by the vehicle operator responsive to externally generated signalling
    • G—PHYSICS
    • G08—SIGNALLING
    • G08G—TRAFFIC CONTROL SYSTEMS
    • G08G1/00—Traffic control systems for road vehicles
    • G08G1/01—Detecting movement of traffic to be counted or controlled
    • G08G1/0104—Measuring and analyzing of parameters relative to traffic conditions
    • G08G1/0137—Measuring and analyzing of parameters relative to traffic conditions for specific applications
    • G08G1/0141—Measuring and analyzing of parameters relative to traffic conditions for specific applications for traffic information dissemination
    • G—PHYSICS
    • G08—SIGNALLING
    • G08G—TRAFFIC CONTROL SYSTEMS
    • G08G1/00—Traffic control systems for road vehicles
    • G08G1/09—Arrangements for giving variable traffic instructions
    • G08G1/0962—Arrangements for giving variable traffic instructions having an indicator mounted inside the vehicle, e.g. giving voice messages
    • G08G1/0967—Systems involving transmission of highway information, e.g. weather, speed limits
    • G08G1/096708—Systems involving transmission of highway information, e.g. weather, speed limits where the received information might be used to generate an automatic action on the vehicle control
    • G08G1/096725—Systems involving transmission of highway information, e.g. weather, speed limits where the received information might be used to generate an automatic action on the vehicle control where the received information generates an automatic action on the vehicle control
    • G—PHYSICS
    • G08—SIGNALLING
    • G08G—TRAFFIC CONTROL SYSTEMS
    • G08G1/00—Traffic control systems for road vehicles
    • G08G1/09—Arrangements for giving variable traffic instructions
    • G08G1/0962—Arrangements for giving variable traffic instructions having an indicator mounted inside the vehicle, e.g. giving voice messages
    • G08G1/0967—Systems involving transmission of highway information, e.g. weather, speed limits
    • G08G1/096733—Systems involving transmission of highway information, e.g. weather, speed limits where a selection of the information might take place
    • G08G1/096758—Systems involving transmission of highway information, e.g. weather, speed limits where a selection of the information might take place where no selection takes place on the transmitted or the received information
    • G—PHYSICS
    • G08—SIGNALLING
    • G08G—TRAFFIC CONTROL SYSTEMS
    • G08G1/00—Traffic control systems for road vehicles
    • G08G1/09—Arrangements for giving variable traffic instructions
    • G08G1/0962—Arrangements for giving variable traffic instructions having an indicator mounted inside the vehicle, e.g. giving voice messages
    • G08G1/0967—Systems involving transmission of highway information, e.g. weather, speed limits
    • G08G1/096766—Systems involving transmission of highway information, e.g. weather, speed limits where the system is characterised by the origin of the information transmission
    • G08G1/096783—Systems involving transmission of highway information, e.g. weather, speed limits where the system is characterised by the origin of the information transmission where the origin of the information is a roadside individual element
    • 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
    • H04W4/021—Services related to particular areas, e.g. point of interest [POI] services, venue services or geofences
    • 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
    • H04W4/023—Services making use of location information using mutual or relative location information between multiple location based services [LBS] targets or of distance thresholds
    • 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
    • H04W64/00—Locating users or terminals or network equipment for network management purposes, e.g. mobility management
    • H04W64/003—Locating users or terminals or network equipment for network management purposes, e.g. mobility management locating network equipment
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W64/00—Locating users or terminals or network equipment for network management purposes, e.g. mobility management
    • H04W64/006—Locating users or terminals or network equipment for network management purposes, e.g. mobility management with additional information processing, e.g. for direction or speed determination
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
    • B60K31/00—Vehicle fittings, acting on a single sub-unit only, for automatically controlling vehicle speed, i.e. preventing speed from exceeding an arbitrarily established velocity or maintaining speed at a particular velocity, as selected by the vehicle operator
    • B60K2031/0091—Speed limiters or speed cutters
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
    • B60W2555/00—Input parameters relating to exterior conditions, not covered by groups B60W2552/00, B60W2554/00
    • B60W2555/60—Traffic rules, e.g. speed limits or right of way
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
    • B60W2556/00—Input parameters relating to data
    • B60W2556/45—External transmission of data to or from the vehicle

Definitions

  • the present invention relates to the technical field of Internet of Vehicles, in particular to a vehicle speed control method, device and equipment.
  • the driver obtains the speed limit information of the current road through a mobile phone navigation device or a car navigation device, and the driver controls the speed of the vehicle according to the obtained speed limit information.
  • the speed limit information given by the navigation device is the speed limit specified by traffic laws and regulations. It is difficult to effectively control the speed of the vehicle according to the actual safety conditions of the road, and it is difficult to effectively improve the safety of the vehicle. .
  • the embodiments of the present invention provide a vehicle speed control method, device, equipment and storage medium, which are used to solve the problem of how to control the speed of the vehicle according to the actual safety conditions of the road and improve the safety of the vehicle.
  • a vehicle speed control method which is applied to a vehicle.
  • the method includes: receiving a speed limit command sent by a speed control device, the speed limit command includes a speed limit, and the speed limit command is The speed control device is generated when it is determined that the position of the vehicle is in an area where the accident rate is greater than or equal to a predetermined threshold; in response to the speed limit command, the driving speed of the vehicle is reduced to less than the speed limit.
  • the speed control device is set in an area where the accident rate is greater than or equal to a predetermined threshold.
  • the method further includes: determining the cellular network cell where the vehicle is located; determining whether the speed control device exists in the cellular network cell;
  • the identification card configured on the vehicle establishes a communication connection between the vehicle and the speed control device, and the identification card is an identification card based on a cellular network.
  • the establishing a communication connection between the vehicle and the speed control device includes: if there are multiple speed control devices in the cellular network cell, then Determine the distance between the vehicle and each of the speed control devices; determine the target speed control device from a plurality of the speed control devices based on the distance between the vehicle and each of the speed control devices; establish the The communication connection between the vehicle and the target speed control device.
  • determining the distance between the vehicle and each of the speed control devices includes: determining the current longitude and latitude of the vehicle and the current longitude and latitude of each speed control device; based on The current longitude and latitude of the vehicle and the current longitude and latitude of each of the speed control devices determine the distance between the vehicle and each of the speed control devices.
  • a speed control command receiving device is installed on the vehicle, and the receiving the speed limit command sent by the speed control device includes: receiving the speed control command receiving device through the speed control command receiving device.
  • the speed limit command sent by the speed control device through the fifth-generation cellular network.
  • a vehicle speed limit device is installed on the vehicle, and the method further includes: if the current driving speed is less than or equal to the limit speed, not starting the vehicle Speed limit device; said reducing the traveling speed of the vehicle to less than the limit speed includes: reducing the traveling speed of the vehicle to less than the limit speed through the vehicle speed limit device.
  • a vehicle speed control method is provided, which is applied to a speed control device.
  • the method includes: monitoring whether a target area enters the vehicle, wherein the target area is an accident rate greater than a preset threshold. Area; if entering a vehicle, a speed limit command is sent to the vehicle, the speed limit command includes a speed limit, and the speed limit command is used to control the traveling speed of the vehicle to be less than the limit speed.
  • the monitoring whether a vehicle enters the target area includes: monitoring whether a vehicle enters a cellular network cell where the speed control device is located, and the cellular network cell is the fifth generation Cellular network cell; if you enter a vehicle, a communication connection is established between the speed control device and the vehicle through the identification card installed on the speed control device, wherein the identification card is based on the first Identification card for the fifth-generation cellular network.
  • a third aspect of the embodiments of the present invention provides a vehicle speed control device, which is applied to a vehicle.
  • the device includes a receiving module for receiving a speed limit command sent by a speed control device, where the speed limit command includes a speed limit,
  • the speed limit command is generated by the speed control device when it is determined that the location of the vehicle is in an area where the accident rate is greater than or equal to a predetermined threshold; the speed control module is configured to respond to the speed limit command to The traveling speed of the vehicle is reduced to less than the limit speed.
  • the speed control device is set in an area where the accident rate is greater than or equal to a predetermined threshold.
  • the device further includes: a cell determination module, configured to determine the cellular network cell in which the vehicle is located; and a speed control device determining module, configured to determine the cellular network cell Whether the speed control device exists in the vehicle; the communication connection establishment module is used to establish a communication connection between the vehicle and the speed control device through the identification card configured on the vehicle if it exists, and the identity
  • the identification card is an identification card based on a cellular network.
  • the communication connection establishment module includes: a distance determining unit, configured to determine whether the vehicle is connected to each other if there are multiple speed control devices in the cellular network cell. The distance between the speed control devices; a target device determining unit, configured to determine a target speed control device from a plurality of speed control devices based on the distance between the vehicle and each of the speed control devices; connection establishment The unit is used to establish a communication connection between the vehicle and the target speed control device.
  • the distance determining unit is configured to: determine the current longitude and latitude of the vehicle and the current longitude and latitude of each of the speed control devices; based on the current longitude and latitude of the vehicle and the current longitude and latitude of each speed control device; The current latitude and longitude of the speed control device determines the distance between the vehicle and each of the speed control devices.
  • a speed control command receiving device is installed on the vehicle, and the receiving module is configured to receive the speed control command receiving device through the speed control command receiving device, and receive the speed control command receiving device through the speed control device.
  • a vehicle speed limit device is installed on the vehicle, and the vehicle speed limit device is configured to: if the current traveling speed is less than or equal to the travel limit speed, no Starting the vehicle speed limit device; and reducing the traveling speed of the vehicle to be less than the travel limit speed includes: reducing the travel speed of the vehicle to be less than the travel limit speed through the vehicle speed limit device.
  • a vehicle speed control device which is applied to a speed control device.
  • the device includes: a monitoring module for monitoring whether a vehicle enters a target area, wherein the target area is the accident rate
  • the speed limit command sending module is used to send a speed limit command to the vehicle if it enters a vehicle.
  • the speed limit command includes the speed limit, and the speed limit command is used to control the speed of the vehicle.
  • the traveling speed is less than the limit speed.
  • the monitoring module includes: a monitoring module for monitoring whether a vehicle enters the cellular network cell where the speed control device is located; a connection establishment module for entering a vehicle , A communication connection is established between the speed control device and the vehicle through an identification card installed on the speed control device, wherein the identification card is an identification card based on a cellular network.
  • a vehicle speed control device including: a receiver, a processor, a memory, and a transmitter; the memory is used to store computer programs and data, and the processor calls the computer programs stored in the memory,
  • the vehicle speed control method provided by any one of the embodiments of the first aspect is implemented.
  • a vehicle speed control device including: a receiver, a processor, a memory, and a transmitter; the memory is used to store computer programs and data, and the processor calls the computer programs stored in the memory,
  • the vehicle speed control method provided by any one of the embodiments of the second aspect is implemented.
  • a seventh aspect of the present invention provides a computer-readable storage medium, the computer-readable storage medium includes a computer program, and the computer program is used to execute the vehicle speed control method provided by any one of the embodiments of the first aspect when the computer program is executed by a processor .
  • the vehicle is driven to an area with a high incidence of accidents, that is, an area where the accident rate is greater than or equal to a predetermined threshold, and a speed limit command is sent to the vehicle.
  • the driving speed of the vehicle is reduced below the limit speed. Since the actual safety of the road is fully considered, the speed of the vehicle can be controlled according to the actual safety of the road, which improves the safety of the vehicle.
  • Fig. 1 is a schematic diagram of an application scenario of a vehicle speed control method according to some embodiments of the present invention
  • FIG. 2 is a schematic flowchart of a vehicle speed control method according to some embodiments of the present invention.
  • FIG. 3 is a schematic flowchart of establishing a communication connection between a vehicle and a speed control device according to some embodiments of the present invention
  • FIG. 4 is a schematic flowchart of a vehicle speed control method according to other embodiments of the present invention.
  • FIG. 5 is a schematic flowchart of a vehicle speed control method according to still other embodiments of the present invention.
  • Fig. 6 is a schematic block diagram of a vehicle speed control device according to some embodiments of the present invention.
  • Figure 7 is a schematic block diagram of a vehicle speed control device according to other embodiments of the present invention.
  • FIG. 8 is a schematic block diagram of a communication connection establishment module provided according to some embodiments of the present invention.
  • Figure 9 is a schematic block diagram of a vehicle speed control device according to some embodiments of the present invention.
  • FIG. 10 is a schematic block diagram of a monitoring module provided according to some embodiments of the present invention.
  • Fig. 11 is a schematic block diagram of an embodiment of a vehicle speed control device according to some embodiments of the present invention.
  • the speed limit information given by the navigation device is the speed limit specified by traffic laws and regulations. It is difficult to effectively control the speed of the vehicle according to the actual safety conditions of the road, and it is difficult to effectively improve the safety of the vehicle. .
  • the basic idea of the present invention is to count the locations of traffic accidents within a predetermined period of time, such as one year, and determine the area where the accident rate is greater than or equal to a predetermined threshold as the high-incidence area, and the vehicle drives to the high-incidence area, that is, the accident.
  • a speed limit command is sent to the vehicle, and the driving speed of the vehicle is reduced to below the speed limit according to the speed limit command.
  • the actual safety situation of the road is fully considered, and the vehicle speed can be controlled according to the actual safety situation on the road, which improves the safety of the vehicle traveling.
  • Fig. 1 is a schematic diagram of an application scenario of a vehicle speed control method provided according to some embodiments of the present invention.
  • the application scenario includes a vehicle 110 and a speed control device 120.
  • the speed control device 120 is installed in an area where the accident rate is greater than or equal to a predetermined threshold.
  • the command sending device on the speed control device 120 sends a speed limit command to the vehicle 110,
  • the speed limit command includes the speed limit.
  • the vehicle 110 compares the current speed of the vehicle with the speed limit. If the current speed is greater than the speed limit, the speed of the vehicle is reduced to less than the speed limit.
  • the speed control device 120 is provided outside the vehicle 110. Although only one speed control device is shown, in the embodiment of the present invention, the number of the speed control device 120 is different. Limited to one, multiple speed control devices may also be included, which also falls within the protection scope of the present invention.
  • Fig. 2 is a schematic flowchart of a vehicle speed control method according to some embodiments of the present invention.
  • the vehicle speed control method includes steps S210 and S220, and can be applied to the vehicle 110 in FIG. 1.
  • the vehicle speed control method in the exemplary embodiment will be described in detail below with reference to FIG. 2.
  • step S210 a speed limit command sent by a speed control device is received.
  • the speed limit command includes a speed limit.
  • the speed limit command indicates that the speed control device determines that the location of the vehicle is at an accident rate greater than or Generated when the area is equal to the predetermined threshold.
  • the speed control device when the location of the vehicle enters an area where the accident rate is greater than or equal to a predetermined threshold, for example, when entering a cell where the speed control device is located, the speed control device generates a speed limit command and sends the speed limit command For the vehicle, the speed limit command includes the speed limit.
  • the predetermined threshold can be determined based on the number of accidents in the previous year where the area is located.
  • step S220 in response to the speed limit command, the traveling speed of the vehicle is reduced to be less than the limit speed.
  • the current driving speed of the vehicle is acquired, and the current driving speed of the vehicle is compared with the speed limit command in the speed limit command.
  • the current travel speed of the vehicle is acquired through a speedometer, and the acquired current travel speed of the vehicle is compared with the speed limit command in the speed limit command.
  • the traveling speed of the vehicle is reduced to less than the limit speed. For example, if the speed limit is 60km/h and the current speed of the vehicle is 80km/h, the current speed of the vehicle is reduced to below 60km/h.
  • the vehicle is driven to an area where accidents are high, that is, an area where the accident rate is greater than or equal to a predetermined threshold, and a speed limit command is sent to the vehicle.
  • the speed limit command the driving speed of the vehicle is reduced to the limit. Below speed. Since the actual safety of the road is fully considered, the speed of the vehicle can be controlled according to the actual safety of the road, which improves the safety of the vehicle.
  • a speed control command receiving device is installed on the vehicle, and receiving the speed limit command sent by the speed control device includes: receiving, through the speed control command receiving device, the speed control device sent by the speed control device through the 5G cellular network Speed limit command.
  • the communication between the vehicle and the speed control device is carried out through the 5G network. Due to the small delay of the 5G network, the communication delay between the vehicle and the speed control device can be reduced, so that the vehicle can be reminded in time to limit the speed, which further improves the vehicle driving safety.
  • a vehicle speed limit device is installed on the vehicle, and the vehicle speed control method further includes: if the current driving speed of the vehicle is less than or equal to the limit speed, the vehicle speed limit device is not activated; If the speed is greater than the speed limit, the vehicle speed limit device is used to reduce the driving speed of the vehicle to less than the limit speed.
  • the number of times the speed limit command is sent to the vehicle is determined, for example, if the accident rate is greater, the speed limit command is sent to the vehicle The greater the number of times, the safety of the vehicle will be further improved by reminding the driver of the speed limit on the road where accidents frequently occur.
  • the speed control device may be provided outside the vehicle, for example, the speed control device is provided in an area where the accident rate is greater than or equal to a predetermined threshold.
  • the speed control device can also be installed on the vehicle, for example, on the vehicle's car navigation system. If the speed control equipment is installed in an area where the accident rate is greater than or equal to the predetermined threshold, only the speed control equipment needs to be installed in the accident-prone areas, which can reduce the number of speed control equipment installed, reducing labor costs and maintenance costs.
  • Fig. 3 is a schematic flowchart of establishing a communication connection between a vehicle and a speed control device according to some embodiments of the present invention.
  • step S310 the cellular network cell where the vehicle is located is determined, and the cellular network cell is a 5G cellular network cell.
  • the vehicle when it is moving, if it switches to the next cellular network cell, the cellular network cell where the vehicle is currently located is determined, and the cellular network cell is a 5G cellular network cell.
  • step S320 it is determined whether there is a speed control device in the cellular network cell where the vehicle is located.
  • the scanning signal sent by the device determines that there is a speed control device in the cellular network cell where the vehicle is located.
  • step S330 if it exists, a communication connection is established between the vehicle and the speed control device through the subscriber identity module (SIM) configured on the vehicle, and the identity recognition card is an identity based on the 5G cellular network Identification card.
  • SIM subscriber identity module
  • a 5G communication connection is established between the vehicle and the speed control device through the SIM card configured on the vehicle. If there are multiple speed control devices in the cellular network cell where the vehicle is located, determine the distance between the vehicle and each speed control device; determine the target from multiple speed control devices based on the distance between the vehicle and each speed control device Speed control equipment; establish a communication connection between the vehicle and the target speed control equipment.
  • the speed control device is determined as the target speed control device.
  • the speed limit of each speed control device is different.
  • the speed limit of the speed control device is related to the position set by the speed control device; the higher the traffic accident rate at the speed control setting location, the higher the speed limit of the speed control device. Small, thereby reducing the speed of the vehicle when it travels to that location, and reducing the probability of a traffic accident.
  • Fig. 4 is a schematic flowchart of a vehicle speed control method according to other embodiments of the present invention.
  • step S410 the place of occurrence of traffic accidents is counted, and when the occurrence rate of accidents at the same place is greater than or equal to a predetermined threshold, it is determined whether the place is a place with high occurrence.
  • step S420 the speed control device monitors whether the target area enters the vehicle. For example, it monitors whether the cell network cell where the speed control device is located enters the vehicle.
  • step S430 that is, the vehicle and the speed control device are in In the same cell, proceed to step S430, and a 5G SIM card is installed at the speed control device.
  • step S430 calculate the distance between the vehicle and each speed control device, determine the speed control device with the smallest distance from the vehicle, and establish a communication connection with the speed control device through the 5G network.
  • step S440 the speed control device sends a speed limit command to the vehicle.
  • the speed control device is equipped with a speed control command sending device.
  • the speed control device and the vehicle are established.
  • the speed control device and the vehicle are equipped with 5G SIM cards.
  • the speed control device provides real-time speed limit commands to the vehicle.
  • the speed limit commands include the speed limit.
  • the 5G network transmits the speed limit command to the vehicle.
  • step S450 after the speed limit command is received by the command receiving device on the vehicle, the current driving speed of the vehicle is obtained, and the current driving speed of the vehicle is compared with the speed limit.
  • step S460 it is determined whether the current travel speed of the vehicle is greater than the travel restriction speed, if it is greater than the travel restriction speed, proceed to step S470, and if it is less than or equal to the travel restriction speed, proceed to step S480.
  • step S470 the vehicle speed limit system is activated, and the speed of the vehicle is adjusted to be less than the speed limit.
  • step S480 the minimum travel speed of the vehicle is acquired, and then the value step S460 is performed again.
  • the data transmission mode of the 5G network is adopted, so that the transmission rate is faster, the transmission distance is longer, and the air interface delay time is shorter.
  • Everything, V2X The overall response time of the road dynamic speed limit system is shortened, which can control the speed of the vehicle in a more timely manner; on the other hand, it is only necessary to install speed control equipment in areas where accidents are high, reducing speed control equipment and effectively reducing the speed. The incidence of traffic accidents reduces the economic cost, labor cost and maintenance cost of road laying.
  • Fig. 5 is a schematic flowchart of a vehicle speed control method provided according to still other embodiments of the present invention.
  • step S510 monitor whether the target area enters the vehicle, where the target area is an area where the accident rate is greater than a preset threshold
  • the speed control device monitors whether the target area enters the vehicle, for example, monitors whether the vehicle enters the cellular network cell where the speed control device is located, and the cellular network cell is a fifth-generation cellular network cell.
  • step S520 if entering a vehicle, a speed limit command is sent to the vehicle.
  • the speed limit command includes a speed limit, and the speed limit command is used to control the traveling speed of the vehicle to be less than the limit speed.
  • a 5G network communication connection is established between the speed control device and the vehicle through the SIM card installed on the speed control device, where the identification card is based on the fifth-generation cellular network. Identification card.
  • a speed limit command is sent to the vehicle, the speed limit command includes a speed limit, and the speed limit command is used to control the driving speed of the vehicle to be less than the limit speed.
  • this embodiment does not limit the communication connection mode between the vehicle and the speed control device, and accordingly, does not limit the communication connection mode of the identification card in the vehicle.
  • Its communication connection mode can be 2G, 3G, 4G, 5G and other communication technologies.
  • the vehicle drives to the area where the accident is high, that is, the area where the accident rate is greater than or equal to the predetermined threshold, and sends a speed limit command to the vehicle, and the speed limit of the vehicle is reduced to the limit according to the speed limit command.
  • the speed of the vehicle can be controlled according to the actual safety of the road, which improves the safety of the vehicle.
  • Fig. 6 is a schematic block diagram of a vehicle speed control device according to some embodiments of the present invention.
  • the vehicle speed control device 600 is applied to a vehicle.
  • the vehicle speed control device 600 includes a receiving module 610 for receiving a speed limit command sent by a speed control device.
  • the speed limit command includes a limit speed.
  • the speed command is generated by the speed control device when it is determined that the position of the vehicle is in an area where the accident rate is greater than or equal to a predetermined threshold; the speed control module 620 is configured to respond to the speed limit command to change the speed of the vehicle The driving speed is reduced to less than the limit speed.
  • the speed control device is set in an area where the accident rate is greater than or equal to a predetermined threshold.
  • the vehicle speed control device 600 further includes: a cell determination module 710, configured to determine the cellular network cell where the vehicle is located, and the cell The network cell is a fifth-generation cellular network cell; the speed control device determination module 720 is used to determine whether the speed control device exists in the cellular network cell; the communication connection establishment module 730 is used to pass the vehicle if it exists.
  • the identification card configured above establishes a communication connection between the vehicle and the speed control device, and the identification card is an identification card based on the fifth-generation cellular network.
  • the communication connection establishment module 730 includes: a distance determining unit 810, configured to: if there are multiple speed control devices in the cellular network cell , The distance between the vehicle and each of the speed control devices is determined; the target device determining unit 820 is configured to obtain information from multiple speed control devices based on the distance between the vehicle and each of the speed control devices The target speed control device is determined in the middle; the connection establishment unit 830 is configured to establish a communication connection between the vehicle and the target speed control device.
  • the distance determining unit 810 is configured to: determine the current longitude and latitude of the vehicle and the current longitude and latitude of each of the speed control devices; based on the current longitude and latitude of the vehicle and each The current latitude and longitude of the speed control device determines the distance between the vehicle and each of the speed control devices.
  • a speed control command receiving device is installed on the vehicle, and the receiving module 610 is configured to receive the speed control command receiving device through the speed control device.
  • a vehicle speed limit device is installed on the vehicle, and the vehicle speed limit device is configured to: if the current traveling speed is less than or equal to the travel limit speed, no Starting the vehicle speed limit device; and reducing the traveling speed of the vehicle to be less than the travel limit speed includes: reducing the travel speed of the vehicle to be less than the travel limit speed through the vehicle speed limit device.
  • Fig. 9 is a schematic block diagram of a vehicle speed control device according to some embodiments of the present invention.
  • the vehicle speed control device 900 is applied to a speed control device.
  • the vehicle speed control device 900 includes: a monitoring module 910 for monitoring whether a target area enters the vehicle, wherein the target area has an accident rate greater than a preset Threshold area; speed limit command sending module 920, used to send a speed limit command to the vehicle if it enters a vehicle, the speed limit command includes the speed limit, the speed limit command is used to control the speed of the vehicle Less than the limit speed.
  • the monitoring module 910 includes: a monitoring module 1010 for monitoring whether a vehicle enters the cellular network cell where the speed control device is located, so The cellular network cell is a fifth-generation cellular network cell; the connection establishment module 1020 is used to establish a connection between the speed control device and the vehicle through the identification card installed on the speed control device if entering a vehicle A communication connection, wherein the identification card is an identification card based on the fifth-generation cellular network.
  • the vehicle speed control device provided in the embodiments of the present application can implement the various processes in the foregoing method embodiments and achieve the same functions and effects, which will not be repeated here.
  • FIG. 11 shows a schematic structural diagram of Embodiment 1 of a vehicle speed control device provided by some embodiments of the present invention.
  • the vehicle speed control device 1100 provided in this embodiment may include: a memory 1110, a processor 1120, and a receiver. 1130, and a transmitter 1140.
  • the vehicle speed control device 1110 may also include a bus.
  • the bus is used to realize the connection between various components.
  • the memory 1110 is used to store computer programs and data, and the processor 1120 calls the computer programs stored in the memory to execute the technical solution of the vehicle speed control method provided by any of the foregoing method embodiments.
  • the memory 1110 and the processor 1120 are directly or indirectly electrically connected to implement data transmission or interaction.
  • these elements may be electrically connected to each other through one or more communication buses or signal lines, for example, they may be connected through a bus.
  • the memory 1110 stores computer execution instructions for implementing the data access control method, including at least one software function module that can be stored in the memory 1110 in the form of software or firmware.
  • the processor 1120 runs computer programs and modules stored in the memory 1110, In order to perform various functional applications and vehicle speed control.
  • the memory 1110 may be, but is not limited to, random access memory (Random Access Memory, abbreviated as RAM), read-only memory (Read Only Memory, abbreviated as: ROM), and programmable read-only memory (Programmable Read-Only Memory, abbreviated as: PROM), Erasable Programmable Read-Only Memory (EPROM), Electrical Erasable Programmable Read-Only Memory (EEPROM), etc.
  • RAM Random Access Memory
  • ROM read-only memory
  • PROM Programmable Read-Only Memory
  • EPROM Erasable Programmable Read-Only Memory
  • EEPROM Electrical Erasable Programmable Read-Only Memory
  • the software programs and modules in the memory 110 may also include an operating system, which may include various software components and/or drivers for managing system tasks (such as memory management, storage device control, power management, etc.), and It can communicate with various hardware or software components to provide an operating environment for other software components.
  • an operating system which may include various software components and/or drivers for managing system tasks (such as memory management, storage device control, power management, etc.), and It can communicate with various hardware or software components to provide an operating environment for other software components.
  • the processor 1120 may be an integrated circuit chip with signal processing capability.
  • the foregoing processor may be a general-purpose processor, including a central processing unit (Central Processing Unit, referred to as CPU), a network processor (Network Processor, referred to as NP), and so on.
  • CPU Central Processing Unit
  • NP Network Processor
  • the methods, steps, and logical block diagrams disclosed in the embodiments of the present invention can be implemented or executed.
  • the general-purpose processor may be a microprocessor or the processor may also be any conventional processor or the like. It can be understood that the structure of FIG. 11 is only for illustration, and may also include more or less components than that shown in FIG. 11, or have a different configuration from that shown in FIG. 11.
  • the components shown in FIG. 11 may be implemented by hardware and/or software.
  • the embodiment of the present invention also provides a computer-readable storage medium on which a computer program is stored, and when the computer program is executed by a processor, the vehicle speed control method provided by any of the foregoing method embodiments can be implemented.
  • the computer-readable storage medium in this embodiment can be any usable medium that can be accessed by a computer, or a data storage device such as a server or data center integrated with one or more usable media, and the usable medium can be a magnetic medium, (for example, , Floppy disk, hard disk, tape), optical medium (for example, DVD), or semiconductor medium (for example, SSD), etc.
  • a magnetic medium for example, , Floppy disk, hard disk, tape
  • optical medium for example, DVD
  • semiconductor medium for example, SSD
  • a person of ordinary skill in the art can understand that all or part of the steps in the foregoing method embodiments can be implemented by a program instructing relevant hardware.
  • the aforementioned program can be stored in a computer readable storage medium. When the program is executed, it executes the steps including the foregoing method embodiments; and the foregoing storage medium includes: ROM, RAM, magnetic disk, or optical disk and other media that can store program codes.

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Abstract

一种应用于车辆的车速控制方法、装置、设备和存储介质，车速控制方法包括：接收控速设备发送的限速命令，该限速命令包括限行速度，该限速命令是控速设备在确定该车辆的位置处于事故发生率大于或等于预定阈值的区域时生成的（S210）；响应于该限速命令，将该车辆的行驶速度降低至小于该限行速度（S220）。根据车速控制方法，能够根据道路上的实际安全情况对车辆速度进行控制，提高了车辆行驶的安全性。

Description

车速控制方法、装置和设备 技术领域
本发明涉及车联网技术领域，尤其涉及一种车速控制方法、装置和设备。
背景技术
随着人们生活水平的提高，开车的人越来越多，交通事故也在不断增加，如何降低交通事故的发生，提高车辆行驶的安全性成为了关注的焦点。
在一种技术方案中，驾驶人通过手机导航装置或车载导航装置获取当前道路的限速信息，驾驶员根据获取的限速信息来控制车辆的速度。然而，在这种技术方案中，导航装置给出的限速信息是交通法律法规规定的限行速度，难以根据道路的实际安全情况对车辆速度进行有效控制，也难以有效地提升车辆行驶的安全性。
因此，如何根据道路的实际安全情况对车辆的速度进行控制，提高车辆行驶的安全性成为了亟待解决的技术难题。
发明内容
本发明实施例提供一种车速控制方法、装置、设备和存储介质，用于解决如何根据道路的实际安全情况对车辆的速度进行控制，提高车辆行驶的安全性的问题。
本发明实施例第一方面，提供了一种车速控制方法，应用于车辆，所述方法包括：接收控速设备发送的限速命令，所述限速命令包括限行速度，所述限速命令是所述控速设备在确定所述车辆的位置处于事故发生率大于或等于预定阈值的区域时生成的；响应于所述限速命令，将所述车辆的行驶速度降低至小于所述限行速度。
在本发明的一些实施例中，基于上述方案，所述控速设备设置在所述事故发生率大于或等于预定阈值的区域。
在本发明的一些实施例中，基于上述方案，所述方法还包括：确定所述车辆所处的蜂窝网络小区；确定所述蜂窝网络小区中是否存在所述控速设备； 若存在，则通过所述车辆上配置的身份识别卡，在所述车辆与所述控速设备之间建立通信连接，所述身份识别卡为基于蜂窝网络的身份识别卡。
在本发明的一些实施例中，基于上述方案，所述在所述车辆与所述控速设备之间建立通信连接，包括：若所述蜂窝网络小区中存在多个所述控速设备，则确定所述车辆与各个所述控速设备之间的距离；基于所述车辆与各个所述控速设备之间的距离，从多个所述控速设备中确定目标控速设备；建立所述车辆与所述目标控速设备之间的通信连接。
在本发明的一些实施例中，基于上述方案，确定所述车辆与各个所述控速设备之间的距离，包括：确定所述车辆的当前经纬度以及各个所述控速设备的当前经纬度；基于所述车辆的当前经纬度以及各个所述控速设备的当前经纬度，确定所述车辆与各个所述控速设备之间的距离。
在本发明的一些实施例中，基于上述方案，所述车辆上安装有控速命令接收设备，所述接收控速设备发送的限速命令，包括：通过所述控速命令接收设备，接收所述控速设备通过第五代蜂窝网络发送的限速命令。
在本发明的一些实施例中，基于上述方案，所述车辆上安装有车辆限速装置，所述方法还包括：若所述当前行驶速度小于或等于所述限行速度，则不启动所述车辆限速装置；所述将所述车辆的行驶速度降低至小于所述限行速度，包括：通过所述车辆限速装置将所述车辆的行驶速度降低至小于所述限行速度。
本发明实施例的第二方面，提供了一种车速控制方法，应用于控速设备，所述方法包括：监听目标区域是否进入车辆，其中，所述目标区域为事故发生率大于预设阈值的区域；若进入车辆，则向所述车辆发送限速命令，所述限速命令包括限行速度，所述限速命令用于控制所述车辆的行驶速度小于所述限行速度。
在本发明的一些实施例中，基于上述方案，所述监听目标区域是否进入车辆，包括：监测所述控速设备所处的蜂窝网络小区中是否进入车辆，所述蜂窝网络小区为第五代蜂窝网络小区；若进入车辆，则通过所述控速设备上安装的身份识别卡，在所述控速设备与所述车辆之间建立通信连接，其中，所述身份识别卡为基于所述第五代蜂窝网络的身份识别卡。
本发明实施例的第三方面，提供了一种车速控制装置，应用于车辆，所 述装置包括：接收模块，用于接收控速设备发送的限速命令，所述限速命令包括限行速度，所述限速命令是所述控速设备在确定所述车辆的位置处于事故发生率大于或等于预定阈值的区域时生成的；速度控制模块，用于响应于所述限速命令，将所述车辆的行驶速度降低至小于所述限行速度。
在本发明的一些实施例中，基于上述方案，所述控速设备设置在所述事故发生率大于或等于预定阈值的区域。
在本发明的一些实施例中，基于上述方案，所述装置还包括：小区确定模块，用于确定所述车辆所处的蜂窝网络小区；控速设备确定模块，用于确定所述蜂窝网络小区中是否存在所述控速设备；通信连接建立模块，用于若存在，则通过所述车辆上配置的身份识别卡，在所述车辆与所述控速设备之间建立通信连接，所述身份识别卡为基于蜂窝网络的身份识别卡。
在本发明的一些实施例中，基于上述方案，所述通信连接建立模块包括：距离确定单元，用于若所述蜂窝网络小区中存在多个所述控速设备，则确定所述车辆与各个所述控速设备之间的距离；目标设备确定单元，用于基于所述车辆与各个所述控速设备之间的距离，从多个所述控速设备中确定目标控速设备；连接建立单元，用于建立所述车辆与所述目标控速设备之间的通信连接。
在本发明的一些实施例中，基于上述方案，所述距离确定单元被配置为：确定所述车辆的当前经纬度以及各个所述控速设备的当前经纬度；基于所述车辆的当前经纬度以及各个所述控速设备的当前经纬度，确定所述车辆与各个所述控速设备之间的距离。
在本发明的一些实施例中，基于上述方案，所述车辆上安装有控速命令接收设备，所述接收模块被配置为：通过所述控速命令接收设备，接收所述控速设备通过第五代蜂窝网络发送的限速命令。
在本发明的一些实施例中，基于上述方案，所述车辆上安装有车辆限速装置，所述车辆限速装置被配置为：若所述当前行驶速度小于或等于所述限行速度，则不启动所述车辆限速装置；所述将所述车辆的行驶速度降低至小于所述限行速度，包括：通过所述车辆限速装置将所述车辆的行驶速度降低至小于所述限行速度。
本发明实施例的第四方面，提供了一种车速控制装置，应用于控速设备， 所述装置包括：监听模块，用于监听目标区域是否进入车辆，其中，所述目标区域为事故发生率大于预设阈值的区域；限速命令发送模块，用于若进入车辆，则向所述车辆发送限速命令，所述限速命令包括限行速度，所述限速命令用于控制所述车辆的行驶速度小于所述限行速度。
在本发明的一些实施例中，基于上述方案，所述监听模块包括：监测模块，用于监测所述控速设备所处的蜂窝网络小区中是否进入车辆；连接建立模块，用于若进入车辆，则通过所述控速设备上安装的身份识别卡，在所述控速设备与所述车辆之间建立通信连接，其中，所述身份识别卡为基于蜂窝网络的身份识别卡。
本发明实施例的第五方面，提供了一种车速控制设备，包括：接收器、处理器、存储器以及发送器；存储器用于存储计算机程序和数据，所述处理器调用存储器存储的计算机程序，以执行第一方面任一实施例提供的车速控制方法。
本发明实施例的第六方面，提供了一种车速控制设备，包括：接收器、处理器、存储器以及发送器；存储器用于存储计算机程序和数据，所述处理器调用存储器存储的计算机程序，以执行第二方面任一实施例提供的车速控制方法。
本发明第七方面提供一种计算机可读存储介质，所述计算机可读存储介质包括计算机程序，所述计算机程序在被处理器执行时用于执行第一方面任一实施例提供的车速控制方法。
根据本发明实施例提供的车速控制方法、装置、设备和存储介质，车辆行驶到事故高发地即事故发生率大于或等于预定阈值的区域，向车辆发送限速命令，根据该限速命令将车辆的行驶速度降低到限行速度以下。由于充分考虑了道路的实际安全情况，能够根据道路上的实际安全情况对车辆速度进行控制，提高了车辆行驶的安全性。
附图说明
为了更清楚地说明本发明实施例或现有技术中的技术方案，下面将对实施例或现有技术描述中所需要使用的附图作一简单地介绍，显而易见地，下面描述中的附图是本发明的一些实施例，对于本领域普通技术人员来讲，在 不付出创造性劳动性的前提下，还可以根据这些附图获得其他的附图。
图1为根据本发明的一些实施例提供的车速控制方法的应用场景的示意图；
图2为根据本发明的一些实施例提供的车速控制方法的流程示意图；
图3为根据本发明的一些实施例提供的建立车辆与控速设备之间的通信连接的流程示意图；
图4为根据本发明的另一些实施例提供的车速控制方法的流程示意图；
图5为根据本发明的又一些实施例提供的车速控制方法的流程示意图；
图6为根据本发明的一些实施例提供的车速控制装置的示意框图；
图7为根据本发明的另一些实施例提供的车速控制装置的示意框图；
图8为根据本发明的一些实施例提供的通信连接建立模块的示意框图；
图9为根据本发明的一些实施例提供的车速控制装置的示意框图；
图10为根据本发明的一些实施例提供的监听模块的示意框图；
图11为根据本发明的一些实施例提供的车速控制设备实施例的示意框图。
具体实施方式
为使本发明实施例的目的、技术方案和优点更加清楚，下面将结合本发明实施例中的附图，对本发明实施例中的技术方案进行清楚、完整地描述，显然，所描述的实施例是本发明一部分实施例，而不是全部的实施例。基于本发明中的实施例，本领域普通技术人员在没有作出创造性劳动前提下所获得的所有其他实施例，都属于本发明保护的范围。
目前的车速控制方案中，大部分都是通过导航装来提供实时限速信息，驾驶员根据该实时限速信息来控制车辆的速度。然而，在这种技术方案中，导航装置给出的限速信息是交通法律法规规定的限行速度，难以根据道路的实际安全情况对车辆速度进行有效控制，也难以有效地提升车辆行驶的安全性。
基于上述内容，本发明的基本思想在于，统计预定时间段例如一年内的交通事故的发生位置，将事故发生率大于或等于预定阈值的区域确定为事故高发地，车辆行驶到事故高发地即事故发生率大于或等于预定阈值的区域， 向车辆发送限速命令，根据该限速命令将车辆的行驶速度降低到限行速度以下。根据本发明实施例的技术方案，充分考虑了道路的实际安全情况，能够根据道路上的实际安全情况对车辆速度进行控制，提高了车辆行驶的安全性。
图1为根据本发明的一些实施例提供的车速控制方法的应用场景的示意图。参照图1所示，该应用场景包括车辆110以及控速设备120。控速设备120安装在事故发生率大于或等于预定阈值的区域。在车辆110的位置处于事故发生率大于或等于预定阈值的区域时，例如车辆110与控速设备120处于同一蜂窝网络下时，控速设备120上的命令发送装置向车辆110发送限速命令，限速命令包括限行速度。车辆110接收到该限速命令之后，将车辆的当前行驶速度与该限行速度进行比较，若当前行驶速度大于该限行速度，则将车辆的行驶速度降低至小于该限行速度。
需要说明的是，在图1的示例应用场景中，控速设备120设置在车辆110之外，虽然仅示出了一个控速设备，但是本发明的实施例中，控速设备120的数量不限于一个，也可以包括多个控速设备，这同样在本发明的保护范围内。
下面结合图1的应用场景，参考附图来描述根据本发明的示例性实施例的车速控制方法。需要注意的是，上述应用场景仅是为了便于理解本发明的精神和原理而示出，本发明的实施例在此方面不受任何限制。相反，本发明的实施例可以应用于适用的任何场景。
图2为根据本发明的一些实施例提供的车速控制方法的流程示意图。该车速控制方法包括步骤S210与S220，可以应用于图1的车辆110上。下面结合图2对示例实施例中的车辆控速方法进行详细的说明。
参照图2所示，在步骤S210中，接收控速设备发送的限速命令，该限速命令包括限行速度，该限速命令是该控速设备在确定该车辆的位置处于事故发生率大于或等于预定阈值的区域时生成的。
在示例实施例中，在车辆的位置进入到事故发生率大于或等于预定阈值的区域时，例如进入控速设备所处的蜂窝小区时，控速设备生成限速命令，将该限速命令发送至该车辆，该限速命令包括限行速度。预定阈值可以根据该区域所在地上一年的事故发生次数确定。
在步骤S220中，响应于所述限速命令，将所述车辆的行驶速度降低至小 于所述限行速度。
在示例实施例中，在接收到控速设备发送的限速命令之后，获取车辆的当前行驶速度，将车辆的当前行驶速度与该限速命令中的限速命令进行比较。例如，通过车速计获取车辆的当前行驶速度，将获取的车辆的当前行驶速度与该限速命令中的限速命令进行比较。
进一步地，若该车辆的当前行驶速度大于限速命令中的限行速度，则将该车辆的行驶速度降低至小于该限行速度。例如，设限行速度为60km/h，车辆的当前行驶速度是80km/h，则将车辆的当前行驶速度降低至60km/h之下。
根据图2的示例实施例中的技术方案，车辆行驶到事故高发地即事故发生率大于或等于预定阈值的区域，向车辆发送限速命令，根据该限速命令将车辆的行驶速度降低到限行速度以下。由于充分考虑了道路的实际安全情况，能够根据道路上的实际安全情况对车辆速度进行控制，提高了车辆行驶的安全性。
进一步地，在示例实施例中，车辆上安装有控速命令接收设备，接收控速设备发送的限速命令，包括：通过该控速命令接收设备，接收该控速设备通过5G蜂窝网络发送的限速命令。通过5G网络在车辆与控速设备之间进行通信，由于5G网络的延迟较小，能够减少车辆与控速设备之间的通信延迟，从而能够及时提醒车辆进行限速，进一步提高了车辆行驶的安全性。
此外，在示例实施例中，车辆上安装有车辆限速装置，该车速控制方法还包括：若车辆的当前行驶速度小于或等于限行速度，则不启动该车辆限速装置；若车辆的当前行驶速度大于限行速度，则通过该车辆限速装置将车辆的行驶速度降低至小于限行速度。通过在车辆上设置车辆限速装置，能够在车辆行驶到事故高发区域时，自动降低车辆的速度，进一步提高车辆行驶的安全性。
进一步地，在示例实施例中，根据控速设备所处区域的事故发生率的大小，确定向车辆发送限速命令的次数，例如，若事故发生率的越大，则向车辆发送限速命令的次数越多，通过在事故频发路段多次提醒驾驶人进行限速，进一步提高车辆行驶的安全性。
此外，在示例实施例中，控速设备可以设置在该车辆之外，例如该控速设备设置在该事故发生率大于或等于预定阈值的区域。控速设备也可以设置 在车辆上，例如设置在车辆的车载导航系统上。若控速设备设置在事故发生率大于或等于预定阈值的区域，仅需要在事故高发地安装控速设备，能够减少控速设备的安装数量，降低人力成本以及维护成本。
图3为根据本发明的一些实施例提供的建立车辆与控速设备之间的通信连接的流程示意图。
参照图3所示，在步骤S310中，确定车辆所处的蜂窝网络小区，该蜂窝网络小区为5G蜂窝网络小区。
在示例实施例中，车辆在行驶过程中，若切换到下一个蜂窝网络小区，则，则确定车辆当前所处的蜂窝网络小区，该蜂窝网络小区为5G蜂窝网络小区。
在步骤S320中，确定车辆所处的蜂窝网络小区中是否存在控速设备。
在示例实施例中，检测车辆所处的蜂窝网络小区中是否存在控速设备，例如，检测车辆所处的蜂窝网络小区中是否能接收到控速设备发送的扫描信号，若能检测到控速设备发送的扫描信号，则确定车辆所处的蜂窝网络小区中存在控速设备。
在步骤S330中，若存在，则通过该车辆上配置的身份识别卡(Subscriber Identity Module，SIM)，在该车辆与控速设备之间建立通信连接，该身份识别卡为基于5G蜂窝网络的身份识别卡。
在示例实施例中，若车辆所处的蜂窝网络小区中存在一个控速设备，则通过车辆上配置的SIM卡，在车辆与控速设备之间建立5G通信连接。若车辆所处的蜂窝网络小区中存在多个控速设备，则确定车辆与各个控速设备之间的距离；基于车辆与各个控速设备之间的距离，从多个控速设备中确定目标控速设备；建立车辆与目标控速设备之间的通信连接。例如，可以确定确定车辆的当前经纬度以及各个控速设备的当前经纬度；基于车辆的当前经纬度以及各个控速设备的当前经纬度，确定车辆与各个控速设备之间的距离，将与车辆距离最近的控速设备确定为目标控速设备。
进一步地，每个控速设备的限行速度不同，例如控速设备的限行速度与控速设备设置的位置相关；控速设置设置位置的交通事故发生率越高，该控速设备的限行速度越小，从而降低车辆行驶至该位置时的行驶速度，降低发生交通事故的概率。
图4为根据本发明的另一些实施例提供的车速控制方法的流程示意图。
参照图4所示，在步骤S410中，统计交通事故的发生地，当同一地点的事故发生率大于或等于预定阈值时，确定该地点为是否高发地。
在步骤S420中，通过控速设备监测目标区域是否进入车辆，例如监测控速设备所处的蜂窝网络小区是否进入车辆，进入车辆，则进行至步骤S430，也就是说，车辆与控速设备处于同一蜂窝小区时，进行至步骤S430，控速设备端安装有5G SIM卡。
在步骤S430中，计算车辆与各个控速设备之间的距离，确定与车辆距离最小的控速设备，通过5G网络与控速设备建立通信连接。
在步骤S440中，控速设备端向车辆发送限速命令，例如，控速设备端安装有控速命令发送装置，在车辆与控速设备处于同一蜂窝网络小区时，通过建立控速设备与车辆之间的通信连接，控速设备与车辆均配置有5G SIM卡，在控速设备和车辆建立通信连接之后，控速设备向车辆提供实时的限速命令，该限速命令包括限行速度，通过5G网络将限速命令传输到车辆。
在步骤S450中，在通过车辆上的命令接收装置接收到限速命令之后，获车辆的当前行驶速度，将车辆的当前行驶速度与限行速度进行比较。
在步骤S460中，确定车辆的当前行驶速度是否大于限行速度，若大于限行速度，则进行至步骤S470，若小于或等于限行速度，则进行至步骤S480。
在步骤S470中，启动车辆限速系统，将车辆的速度调节到小于限行速度。
在步骤S480中，获取车辆的最小行驶速度，然后再次进行值步骤S460。
根据图4的示例实施例中的技术方案，一方面，采用了5G网络的数据传输方式，使得传输速率更快、传输距离更远、空中接口时延时间更短，进而使得车联网(Vehicle to Everything，V2X)道路的动态限速系统的整体响应时间变短，能更及时地控制车辆行驶速度；另一方面，仅需要在事故高发地安装控速设备，减少控速设备的同时能够有效降低交通事故发生率，减少道路敷设的经济成本、人力成本以及维护成本。
图5为根据本发明的又一些实施例提供的车速控制方法的流程示意图。
参照图5所示，在步骤S510中，监听目标区域是否进入车辆，其中，目标区域为事故发生率大于预设阈值的区域；
在示例实施例中，通过控速设备监听目标区域是否进入车辆，例如，监 测控速设备所处的蜂窝网络小区中是否进入车辆，该蜂窝网络小区为第五代蜂窝网络小区。
在步骤S520中，若进入车辆，则向该车辆发送限速命令，该限速命令包括限行速度，该限速命令用于控制该车辆的行驶速度小于该限行速度。
在示例实施例中，若进入车辆，则通过控速设备上安装的SIM卡，在控速设备与车辆之间建立5G网络的通信连接，其中，该身份识别卡为基于第五代蜂窝网络的身份识别卡。在控速设备与车辆之间建立通信连接之后，向车辆发送限速命令，该限速命令包括限行速度，该限速命令用于控制车辆的行驶速度小于该限行速度。
需要说明的是，本实施例并不限定车辆和控速设备之间的通信连接方式，相应的，也不限制车辆中身份识别卡的通信连接方式。其通信连接方式可为2G、3G、4G、5G等通信技术。
根据图5的示例实施例中的技术方案，车辆行驶到事故高发地即事故发生率大于或等于预定阈值的区域，向车辆发送限速命令，根据该限速命令将车辆的行驶速度降低到限行速度以下。由于充分考虑了道路的实际安全情况，能够根据道路上的实际安全情况对车辆速度进行控制，提高了车辆行驶的安全性。
图6为根据本发明的一些实施例提供的车速控制装置的示意框图。参照图6所示，该车速控制装置600应用于车辆，该车速控制装置600包括：接收模块610，用于接收控速设备发送的限速命令，所述限速命令包括限行速度，所述限速命令是所述控速设备在确定所述车辆的位置处于事故发生率大于或等于预定阈值的区域时生成的；速度控制模块620，用于响应于所述限速命令，将所述车辆的行驶速度降低至小于所述限行速度。
在本发明的一些实施例中，基于上述方案，所述控速设备设置在所述事故发生率大于或等于预定阈值的区域。
在本发明的一些实施例中，基于上述方案，参照图7所示，所述车辆控速装置600还包括：小区确定模块710，用于确定所述车辆所处的蜂窝网络小区，所述蜂窝网络小区为第五代蜂窝网络小区；控速设备确定模块720，用于确定所述蜂窝网络小区中是否存在所述控速设备；通信连接建立模块730，用于若存在，则通过所述车辆上配置的身份识别卡，在所述车辆与所述控速 设备之间建立通信连接，所述身份识别卡为基于所述第五代蜂窝网络的身份识别卡。
在本发明的一些实施例中，基于上述方案，参照图8所示，所述通信连接建立模块730包括：距离确定单元810，用于若所述蜂窝网络小区中存在多个所述控速设备，则确定所述车辆与各个所述控速设备之间的距离；目标设备确定单元820，用于基于所述车辆与各个所述控速设备之间的距离，从多个所述控速设备中确定目标控速设备；连接建立单元830，用于建立所述车辆与所述目标控速设备之间的通信连接。
在本发明的一些实施例中，基于上述方案，所述距离确定单元810被配置为：确定所述车辆的当前经纬度以及各个所述控速设备的当前经纬度；基于所述车辆的当前经纬度以及各个所述控速设备的当前经纬度，确定所述车辆与各个所述控速设备之间的距离。
在本发明的一些实施例中，基于上述方案，所述车辆上安装有控速命令接收设备，所述接收模块610被配置为：通过所述控速命令接收设备，接收所述控速设备通过第五代蜂窝网络发送的限速命令。
在本发明的一些实施例中，基于上述方案，所述车辆上安装有车辆限速装置，所述车辆限速装置被配置为：若所述当前行驶速度小于或等于所述限行速度，则不启动所述车辆限速装置；所述将所述车辆的行驶速度降低至小于所述限行速度，包括：通过所述车辆限速装置将所述车辆的行驶速度降低至小于所述限行速度。
图9为根据本发明的一些实施例提供的车速控制装置的示意框图。参照图9所示，该车速控制装置900应用于控速设备，该车速控制装置900包括：监听模块910，用于监听目标区域是否进入车辆，其中，所述目标区域为事故发生率大于预设阈值的区域；限速命令发送模块920，用于若进入车辆，则向所述车辆发送限速命令，所述限速命令包括限行速度，所述限速命令用于控制所述车辆的行驶速度小于所述限行速度。
在本发明的一些实施例中，基于上述方案，参照图10所示，所述监听模块910包括：监测模块1010，用于监测所述控速设备所处的蜂窝网络小区中是否进入车辆，所述蜂窝网络小区为第五代蜂窝网络小区；连接建立模块1020，用于若进入车辆，则通过所述控速设备上安装的身份识别卡，在所述控速设 备与所述车辆之间建立通信连接，其中，所述身份识别卡为基于所述第五代蜂窝网络的身份识别卡。
本申请实施例提供的车速控制装置能够实现前述方法实施例中的各个过程，并达到相同的功能和效果，这里不再重复。
图11示出了本发明的一些实施例提供的车速控制设备实施例一的结构示意图，如图11所示，本实施例提供的车速控制设备1100可以包括：存储器1110、处理器1120、接收器1130、以及发送器1140。
可选的，该车速控制设1110还可以包括总线。其中，总线用于实现各元件之间的连接。
所述存储器1110用于存储计算机程序和数据，所述处理器1120调用存储器存储的计算机程序，以执行前述任一方法实施例提供的车速控制方法的技术方案。
其中，存储器1110和处理器1120之间直接或间接地电性连接，以实现数据的传输或交互。例如，这些元件相互之间可以通过一条或者多条通信总线或信号线实现电性连接，如可以通过总线连接。存储器1110中存储有实现数据访问控制方法的计算机执行指令，包括至少一个可以软件或固件的形式存储于存储器1110中的软件功能模块，处理器1120通过运行存储在存储器1110内的计算机程序以及模块，从而执行各种功能应用以及车速控制。
存储器1110可以是，但不限于，随机存取存储器(Random Access Memory，简称：RAM)，只读存储器(Read Only Memory，简称：ROM)，可编程只读存储器(Programmable Read-Only Memory，简称：PROM)，可擦除只读存储器(Erasable Programmable Read-Only Memory，简称：EPROM)，电可擦除只读存储器(Electric Erasable Programmable Read-Only Memory，简称：EEPROM)等。其中，存储器1110用于存储程序，处理器1120在接收到执行指令后，执行程序。进一步地，上述存储器110内的软件程序以及模块还可包括操作系统，其可包括各种用于管理系统任务(例如内存管理、存储设备控制、电源管理等)的软件组件和/或驱动，并可与各种硬件或软件组件相互通信，从而提供其他软件组件的运行环境。
处理器1120可以是一种集成电路芯片，具有信号的处理能力。上述的处理器可以是通用处理器，包括中央处理器(Central Processing Unit，简称：CPU)、 网络处理器(Network Processor，简称：NP)等。可以实现或者执行本发明实施例中的公开的各方法、步骤及逻辑框图。通用处理器可以是微处理器或者该处理器也可以是任何常规的处理器等。可以理解，图11的结构仅为示意，还可以包括比图11中所示更多或者更少的组件，或者具有与图11所示不同的配置。图11中所示的各组件可以采用硬件和/或软件实现。
本发明实施例还提供一种计算机可读存储介质，其上存储有计算机程序，计算机程序被处理器执行时可以实现上述任一方法实施例提供的车速控制方法。
本实施例中的计算机可读存储介质可以是计算机能够存取的任何可用介质，或者是包含一个或多个可用介质集成的服务器、数据中心等数据存储设备，可用介质可以是磁性介质，(例如，软盘、硬盘、磁带)、光介质(例如，DVD)、或者半导体介质(例如SSD)等。
本领域普通技术人员可以理解：实现上述各方法实施例的全部或部分步骤可以通过程序指令相关的硬件来完成。前述的程序可以存储于一计算机可读取存储介质中。该程序在执行时，执行包括上述各方法实施例的步骤；而前述的存储介质包括：ROM、RAM、磁碟或者光盘等各种可以存储程序代码的介质。
最后应说明的是：以上各实施例仅用以说明本发明的技术方案，而非对其限制；尽管参照前述各实施例对本发明进行了详细的说明，本领域的普通技术人员应当理解：其依然可以对前述各实施例所记载的技术方案进行修改，或者对其中部分或者全部技术特征进行等同替换；而这些修改或者替换，并不使相应技术方案的本质脱离本发明各实施例技术方案的范围。

Claims (12)

  1. 一种车速控制方法，其特征在于，应用于车辆，所述方法包括：
    接收控速设备发送的限速命令，所述限速命令包括限行速度，所述限速命令是所述控速设备在确定所述车辆的位置处于事故发生率大于或等于预定阈值的区域时生成的；
    响应于所述限速命令，将所述车辆的行驶速度降低至小于所述限行速度。
  2. 根据权利要求1所述的方法，其特征在于，所述控速设备设置在所述事故发生率大于或等于预定阈值的区域。
  3. 根据权利要求1所述的方法，其特征在于，所述方法还包括：
    确定所述车辆所处的蜂窝网络小区；
    确定所述蜂窝网络小区中是否存在所述控速设备；
    若存在，则通过所述车辆上配置的身份识别卡，在所述车辆与所述控速设备之间建立通信连接，所述身份识别卡为基于蜂窝网络的身份识别卡。
  4. 根据权利要求3所述的方法，其特征在于，所述在所述车辆与所述控速设备之间建立通信连接，包括：
    若所述蜂窝网络小区中存在多个所述控速设备，则确定所述车辆与各个所述控速设备之间的距离；
    基于所述车辆与各个所述控速设备之间的距离，从多个所述控速设备中确定目标控速设备；
    建立所述车辆与所述目标控速设备之间的通信连接。
  5. 根据权利要求4所述的方法，其特征在于，所述确定所述车辆与各个所述控速设备之间的距离，包括：
    确定所述车辆的当前经纬度以及各个所述控速设备的当前经纬度；
    基于所述车辆的当前经纬度以及各个所述控速设备的当前经纬度，确定所述车辆与各个所述控速设备之间的距离。
  6. 根据权利要求1至5中任一项所述的方法，其特征在于，所述车辆上安装有控速命令接收设备，所述接收控速设备发送的限速命令，包括：
    通过所述控速命令接收设备，接收所述控速设备通过蜂窝网络发送的限速命令。
  7. 根据权利要求1所述的方法，其特征在于，所述车辆上安装有车辆限 速装置，所述方法还包括：
    若所述当前行驶速度小于或等于所述限行速度，则不启动所述车辆限速装置；
    所述将所述车辆的行驶速度降低至小于所述限行速度，包括：
    通过所述车辆限速装置将所述车辆的行驶速度降低至小于所述限行速度。
  8. 一种车速控制方法，其特征在于，应用于控速设备，所述方法包括：
    监听目标区域是否进入车辆，其中，所述目标区域为事故发生率大于预设阈值的区域；
    若进入车辆，则向所述车辆发送限速命令，所述限速命令包括限行速度，所述限速命令用于控制所述车辆的行驶速度小于所述限行速度。
  9. 根据权利要求8所述的方法，其特征在于，所述监听目标区域是否进入车辆，包括：
    监测所述控速设备所处的蜂窝网络小区中是否进入车辆；
    若进入车辆，则通过所述控速设备上安装的身份识别卡，在所述控速设备与所述车辆之间建立通信连接，其中，所述身份识别卡为基于蜂窝网络的身份识别卡。
  10. 一种车速控制装置，其特征在于，应用于车辆，所述装置包括：
    接收模块，用于接收控速设备发送的限速命令，所述限速命令包括限行速度，所述限速命令是所述控速设备在确定所述车辆的位置处于事故发生率大于或等于预定阈值的区域时生成的；
    速度控制模块，用于响应于所述限速命令，将所述车辆的行驶速度降低至小于所述限行速度。
  11. 一种车速控制装置，其特征在于，应用于控速设备，所述装置包括：
    监听模块，用于监听目标区域是否进入车辆，其中，所述目标区域为事故发生率大于预设阈值的区域；
    限速命令发送模块，用于若进入车辆，则向所述车辆发送限速命令，所述限速命令包括限行速度，所述限速命令用于控制所述车辆的行驶速度小于所述限行速度。
  12. 一种车速控制设备，其特征在于，包括：接收器、处理器以及存储器；所述存储器用于存储计算机程序和数据，所述处理器调用存储器存储的计算机程序，以执行权利要求1至7中任一项所述的车速控制方法。
PCT/CN2020/140372 2019-12-30 2020-12-28 车速控制方法、装置和设备 WO2021136209A1 (zh)

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