WO2018045650A1 - Procédé et dispositif de commande de vitesse de véhicule - Google Patents

Procédé et dispositif de commande de vitesse de véhicule Download PDF

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Publication number
WO2018045650A1
WO2018045650A1 PCT/CN2016/109010 CN2016109010W WO2018045650A1 WO 2018045650 A1 WO2018045650 A1 WO 2018045650A1 CN 2016109010 W CN2016109010 W CN 2016109010W WO 2018045650 A1 WO2018045650 A1 WO 2018045650A1
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WO
WIPO (PCT)
Prior art keywords
vehicle speed
visibility
current
speed
driving
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Application number
PCT/CN2016/109010
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English (en)
Chinese (zh)
Inventor
刘均
刘新
宋朝忠
欧阳张鹏
Original Assignee
深圳市元征科技股份有限公司
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Application filed by 深圳市元征科技股份有限公司 filed Critical 深圳市元征科技股份有限公司
Publication of WO2018045650A1 publication Critical patent/WO2018045650A1/fr

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Classifications

    • 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

Definitions

  • the present invention relates to the field of communications technologies, and in particular, to a vehicle speed control method and apparatus.
  • the vehicle speed is usually manually controlled by the driver manually, such as stepping on a throttle or a brake pedal.
  • a throttle or a brake pedal When driving on a poorly-traffic road such as a mountain road or a night, it will be unsafe if the speed is too fast. If you drive at a high-speed road with good road conditions, if the speed is slow, it will violate the road traffic regulations. Therefore, when the user cannot reasonably Controlling the speed of the car will reduce driving safety.
  • the technical problem to be solved by the embodiments of the present invention is to provide a vehicle speed control method and device, which can control the driving speed by detecting the environment, thereby improving the safety of driving.
  • an embodiment of the present invention provides a vehicle speed control method, where the method includes:
  • the adjusting the vehicle speed according to the control instruction, and driving at the adjusted vehicle speed includes:
  • the current integrated environmental parameter includes a driving road segment
  • the method further includes:
  • the driving at the target vehicle speed includes:
  • the current integrated environmental parameter includes a driving road segment
  • the generating the vehicle speed control instruction according to the current integrated environmental parameter includes:
  • the current integrated environment parameter includes visibility
  • the generating a vehicle speed control instruction according to the current integrated environment parameter includes:
  • an embodiment of the present invention further provides a vehicle speed control apparatus, including:
  • a parameter obtaining module configured to acquire current integrated environmental parameters collected by the sensor
  • an instruction generating module configured to generate a vehicle speed control instruction according to the current integrated environment parameter
  • the vehicle speed adjustment module is configured to adjust the vehicle speed according to the control instruction, and drive at the adjusted vehicle speed.
  • the vehicle speed adjustment module includes:
  • an index interval determining unit configured to determine an environment index interval to which the current integrated environment parameter belongs
  • the target vehicle speed searching unit is configured to search for a target vehicle speed corresponding to the environmental index interval in the preset vehicle speed set, and travel at the target vehicle speed.
  • the current integrated environmental parameter includes a driving road segment
  • the device further includes:
  • a maximum vehicle speed acquiring module configured to acquire a preset maximum vehicle speed of the driving section
  • a vehicle speed determining module configured to determine whether the target vehicle speed is greater than or equal to the preset maximum vehicle speed, and when the target vehicle speed is greater than or equal to the preset maximum vehicle speed, the target vehicle speed searching unit is configured to Target speed, used to:
  • the current integrated environmental parameter includes a driving road segment
  • the instruction generating module includes:
  • a current vehicle speed acquiring unit configured to acquire a current traveling vehicle speed
  • the vehicle speed determining unit is configured to determine whether the current vehicle speed is less than a minimum speed limit of the driving road segment, and generate an acceleration command when the current vehicle speed is less than a minimum speed limit of the driving road segment.
  • the current integrated environment parameter includes visibility
  • the instruction generating module is configured to:
  • Embodiments of the present invention have the following beneficial effects:
  • the vehicle speed control device acquires the current integrated environmental parameter collected by the sensor, generates a vehicle speed control command according to the collected parameters, and correspondingly adjusts the vehicle speed, and makes the vehicle adjust.
  • Driving at a speed By controlling the environment to control the driving speed, the safety of driving is improved.
  • FIG. 1 is a schematic flow chart of a vehicle speed control method according to an embodiment of the present invention.
  • FIG. 2 is a schematic flow chart of a vehicle speed control method according to another embodiment of the present invention.
  • FIG. 3 is a schematic structural view of a vehicle speed control device according to an embodiment of the present invention.
  • FIG. 4 is a schematic structural diagram of a vehicle speed adjustment module of a vehicle speed control device according to an embodiment of the present invention.
  • FIG. 5 is a schematic structural diagram of an instruction generation module of a vehicle speed control device according to an embodiment of the present invention.
  • the execution of the vehicle speed control method mentioned in the embodiments of the present invention relies on a computer program that can run on a computer system of the Von Oyman system.
  • the computer program runs based on the vehicle speed control device.
  • the computer system can be a device such as an onboard unit.
  • FIG. 1 is a schematic flowchart of a method for controlling a vehicle speed according to an embodiment of the present invention, and the method may include:
  • Step S101 Acquire a current integrated environment parameter collected by the sensor.
  • the senor includes at least one of a temperature sensor, a humidity sensor, a light sensor, a smoke detector, an air quality detector, and a visibility tester, respectively, for collecting temperature, humidity, and light intensity outside the vehicle.
  • a temperature sensor e.g., a temperature sensor, a humidity sensor, a light sensor, a smoke detector, an air quality detector, and a visibility tester, respectively, for collecting temperature, humidity, and light intensity outside the vehicle.
  • Parameters such as PM2.5 index, visibility, and air quality are excellent, and the current comprehensive environmental parameters are determined by these parameters.
  • the collected parameters are: temperature is 350C, humidity is 60%, visibility (visibility) is 2km, and the current environment is determined by processing analysis to be summer daytime, humidity is suitable, and visibility is high, The current comprehensive environmental parameters are high visibility during the day.
  • the collection mode may be real; or may be periodic, such as once every 20 minutes, which is not specifically limited herein.
  • Step S102 Generate a vehicle speed control instruction according to the current integrated environment parameter.
  • the instruction is a command instructing the computer to perform some operation. It consists of a string of binary digits, usually consisting of two parts: the opcode and the address code. Where the opcode indicates the type or nature of the operation to be completed by the instruction, such as fetching, adding or outputting data, and the address code indicating the inside of the operating object The location of the storage unit.
  • the lowest level instruction is a string of 0s and 1s, indicating that an entity job operation is to be run.
  • a specific area of storage is called a "register" that contains the data or data storage locations that can be used to call up instructions.
  • the control instruction includes an acceleration instruction and a deceleration instruction.
  • an acceleration command can be generated, and a deceleration command can be generated correspondingly when driving with a low visibility or an uneven road section.
  • Step S103 adjusting the vehicle speed according to the control command, and driving at the adjusted vehicle speed.
  • the current vehicle speed is increased correspondingly, and if a deceleration command is generated, the current vehicle speed is adjusted to be smaller, and then the vehicle speed is adjusted at the adjusted vehicle speed.
  • the current integrated environmental parameter is driving at a high speed with a visibility of 2 km, and the current traveling speed is 70 km/h
  • the current traveling speed is 70 km/h
  • the current driving speed is adjusted correspondingly, for example, adjusted to 100 km/h, then drive at 100 km/h.
  • the current integrated environmental parameter is driving on a rainy day with a visibility of lkm, and the current traveling speed is 80 km/h
  • the current traveling speed is 80 km/h
  • the current driving speed is correspondingly adjusted to 60. Km/h, then drive at 60 km/h.
  • the current driving speed is adjusted to a standard speed limit and then traveled.
  • the vehicle speed control command is generated according to the collected parameters, and the vehicle speed is adjusted correspondingly, and the vehicle is driven at the adjusted vehicle speed. By detecting the environment, the driving speed is controlled correspondingly, thereby improving the safety of driving.
  • FIG. 2 is a schematic flow chart of a vehicle speed control method according to another embodiment of the present invention, and the method may include:
  • Step S201 Acquire a current integrated environment parameter collected by the sensor.
  • the senor includes at least one of a temperature sensor, a humidity sensor, a light sensor, a smoke detector, an air quality detector, and a visibility tester, respectively, for collecting temperature, humidity, and light intensity outside the vehicle.
  • a temperature sensor e.g., a temperature sensor, a humidity sensor, a light sensor, a smoke detector, an air quality detector, and a visibility tester, respectively, for collecting temperature, humidity, and light intensity outside the vehicle.
  • Parameters such as PM2.5 index, visibility, and air quality are excellent, and the current comprehensive environmental parameters are determined by these parameters.
  • the collected parameters are: temperature is 350C, humidity is 60%, visibility (visible Degree) is 2km.
  • temperature is 350C
  • humidity is 60%
  • visibility visible Degree
  • the collection mode may be real; or may be periodic, such as once every 20 minutes, which is not specifically limited herein.
  • Step S202 Generate a vehicle speed control instruction according to the current integrated environment parameter.
  • the instruction is a command instructing the computer to perform some operation. It consists of a string of binary digits, usually consisting of two parts: the opcode and the address code.
  • the opcode indicates the type or nature of the operation to be completed by the instruction, such as fetching, adding, or outputting data
  • the address code indicates the content of the operation object or the location of the storage unit.
  • the lowest level instruction is a string of 0s and 1, indicating that an entity job operation is to be run.
  • a specific area of storage is called a "register" that contains the data or data storage locations that can be used to call up instructions.
  • the control instruction includes an acceleration instruction and a deceleration instruction.
  • an acceleration command can be generated, and a deceleration command can be generated correspondingly when driving with a low visibility or an uneven road section.
  • Step S203 Determine an environment index interval to which the current integrated environment parameter belongs.
  • the environment index interval includes a visibility interval, a humidity interval, a slope interval of the driving segment, and a driving segment. Smoothness interval, etc.
  • the preset visibility interval (km) includes four intervals of less than 0.1, 0.1-0.5 ⁇ 0.5 ⁇ 1, and 1 ⁇ 2.
  • the current comprehensive environmental parameters obtained through analysis have a visibility of 0.2 and belong to the range of 0.1 to 0.5.
  • the preset humidity interval ( ⁇ 3 ⁇ 4) includes four intervals of 1 ⁇ 30, 30-60 ⁇ 60 ⁇ 80, and 80 ⁇ 100. If the humidity is 90, it is determined to belong to the range of 80 ⁇ 100.
  • Step S204 Find a target vehicle speed corresponding to the environmental index interval in a preset vehicle speed set, and drive at the target vehicle speed.
  • At least one vehicle speed value is included in the preset vehicle speed set, and each environment index interval corresponds to A vehicle speed value sequentially traverses the environmental index interval to determine a target vehicle speed corresponding to the traversed environmental index interval.
  • the visibility interval corresponds to the vehicle speed
  • different visibility intervals correspond to different vehicle speed values. If the visibility range of the current visibility is 1 ⁇ 2km, the corresponding target speed is 100 ⁇ 120km/h. Similarly, if the current visibility range is 0.5 ⁇ lkm, the corresponding target speed is It is 80 ⁇ 100 km/h.
  • the current integrated environmental parameter includes a driving road segment
  • the method further includes:
  • the driving at the target vehicle speed includes:
  • the maximum vehicle speed of the current driving section is obtained, and the speed of the accelerated vehicle is compared with the obtained maximum vehicle speed, and it is determined whether the speed of the accelerated vehicle is higher than the maximum speed, and if so, the speed of the accelerated vehicle is reduced. You can drive at the highest speed of the section.
  • the maximum vehicle speed for obtaining the road segment may be monitored and acquired by the vehicle monitoring device, or may be sent to the vehicle-mounted unit by the vehicle networking server, which is not limited.
  • the current integrated environmental parameter includes a driving road segment
  • the generating a vehicle speed control instruction according to the current integrated environment parameter includes: [0103] obtaining a current traveling speed;
  • [0106] Specifically, obtaining a minimum vehicle speed of the current driving section, and comparing the collected current traveling speed with the obtained minimum vehicle speed, whether the current vehicle speed is lower than the minimum vehicle speed, and if so, generating an acceleration command, and the vehicle unit is accelerated according to the vehicle.
  • the instruction performs an acceleration operation.
  • the current integrated environment parameter includes visibility
  • the generating a vehicle speed control instruction according to the current integrated environment parameter includes:
  • the visibility of the current driving segment is obtained, and the obtained visibility is compared with a preset visibility threshold. If the acquired visibility is less than or equal to the preset visibility threshold, indicating that the visibility is low and the driving risk is high, The deceleration command is generated, and the on-board unit performs the deceleration operation according to the deceleration command to drive safely.
  • the vehicle speed control device acquires the current integrated environmental parameter collected by the sensor, generates a vehicle speed control command according to the collected parameter, and correspondingly adjusts the vehicle speed, and causes the vehicle to travel at the adjusted vehicle speed.
  • the driving speed is controlled correspondingly, thereby improving the safety of driving.
  • FIG. 3 is a schematic structural diagram of a vehicle speed control device according to an embodiment of the present invention. As shown in the figure, the device may include:
  • the parameter obtaining module 310 is configured to acquire a current integrated environment parameter collected by the sensor.
  • the senor includes at least one of a temperature sensor, a humidity sensor, a light sensor, a smoke detector, an air quality detector, and a visibility tester, respectively, for collecting temperature, humidity, and light intensity outside the vehicle.
  • a temperature sensor e.g., a temperature sensor, a humidity sensor, a light sensor, a smoke detector, an air quality detector, and a visibility tester, respectively, for collecting temperature, humidity, and light intensity outside the vehicle.
  • Parameters such as PM2.5 index, visibility, and air quality are excellent, and the current comprehensive environmental parameters are determined by these parameters.
  • the collected parameters are: temperature is 350C, humidity is 60%, visibility (visibility) is 2km, and the current environment is determined by processing analysis to be summer daytime, humidity is suitable, and visibility is high, The current comprehensive environmental parameters are high visibility during the day.
  • the collection mode may be real; or may be periodic, such as once every 20 minutes, which is not specifically limited herein.
  • the instruction generating module 320 is configured to generate a vehicle speed control instruction according to the current integrated environment parameter.
  • the instruction is a command instructing the computer to perform some operation. It consists of a string of binary digits, usually consisting of two parts: the opcode and the address code.
  • the opcode indicates the type or nature of the operation to be completed by the instruction, such as fetching, adding, or outputting data
  • the address code indicates the content of the operation object or the location of the storage unit.
  • the lowest level instruction is a string of 0s and 1, indicating that an entity job operation is to be run.
  • a specific area of storage is called a "register" that contains the data or data storage locations that can be used to call up instructions.
  • the control instruction includes an acceleration instruction and a deceleration instruction.
  • an acceleration command can be generated, and a deceleration command can be generated correspondingly when driving with a low visibility or an uneven road section.
  • the vehicle speed adjustment module 330 is configured to adjust the vehicle speed according to the control instruction, and drive at the adjusted vehicle speed
  • the current integrated environmental parameter is driving at a high speed with a visibility of 2 km, and the current traveling vehicle speed is 70 km/h
  • the currently generated control command is an acceleration command
  • the current traveling speed is adjusted correspondingly, for example, adjusted to 100 km/h, then drive at 100 km/h.
  • the current integrated environmental parameter is driving on a rainy day with a visibility of lkm and the current traveling speed is 80 km/h
  • the currently generated control command is a deceleration command
  • the current driving speed is correspondingly adjusted to 60. Km/h, then drive at 60 km/h.
  • the vehicle speed adjustment module 330 includes:
  • the index interval determining unit 331 is configured to determine an environment index interval to which the current integrated environment parameter belongs. [0128] Specifically, searching for an environment finger to which the current integrated environment parameter belongs in a preset different environment index interval The number interval, wherein the environment index interval includes a visibility interval, a humidity interval, a slope interval of the driving section, a smoothness section of the driving section, and the like.
  • the preset visibility interval (km) includes four intervals of less than 0.1, 0.1-0.5 ⁇ 0.5 ⁇ 1, and 1 ⁇ 2.
  • the current comprehensive environmental parameters obtained through analysis have a visibility of 0.2 and belong to the range of 0.1 to 0.5.
  • the preset humidity interval ( ⁇ 3 ⁇ 4) includes four intervals of 1 ⁇ 30, 30-60 ⁇ 60 ⁇ 80, and 80 ⁇ 100. If the humidity is 90, it is determined to belong to the range of 80 ⁇ 100.
  • the target vehicle speed searching unit 332 is configured to search for a target vehicle speed corresponding to the environmental index interval in a preset vehicle speed set, and travel at the target vehicle speed.
  • At least one vehicle speed value is included in the preset vehicle speed set, and each environment index interval corresponds to a vehicle speed value, and the environmental index interval is sequentially traversed to determine a target vehicle speed corresponding to the traversed environmental index interval.
  • the different visibility intervals correspond to different vehicle speed values. If the visibility range of the current visibility is 1 ⁇ 2km, the corresponding target speed is 100 ⁇ 120km/h. Similarly, if the current visibility range is 0.5 ⁇ lkm, the corresponding target speed is It is 80 ⁇ 100 km/h.
  • the current integrated environmental parameter includes a driving road segment
  • the device further includes:
  • a maximum vehicle speed acquisition module 340 configured to acquire a preset maximum vehicle speed of the travel section
  • the vehicle speed determining module 350 is configured to determine whether the target vehicle speed is greater than or equal to the preset maximum vehicle speed, and when the target vehicle speed is greater than or equal to the preset maximum vehicle speed, the target vehicle speed searching unit is The target speed is used for:
  • the maximum vehicle speed of the current driving section is obtained, and the speed of the accelerated vehicle is compared with the obtained maximum vehicle speed, and it is determined whether the speed of the accelerated vehicle is higher than the maximum speed, and if so, the speed of the accelerated vehicle is reduced. You can drive at the highest speed of the section.
  • the maximum vehicle speed for obtaining the road segment may be monitored and acquired by the vehicle monitoring device, or may be sent to the vehicle-mounted unit by the vehicle networking server, which is not limited.
  • the current integrated environmental parameter includes a driving road segment;
  • the instruction generating module 320 includes:
  • the current vehicle speed obtaining unit 321, is configured to acquire the current traveling vehicle speed
  • the vehicle speed determining unit 322 is configured to determine whether the current vehicle speed is less than a minimum speed limit of the driving road segment, and generate an acceleration command when the current vehicle speed is less than a minimum speed limit of the driving road segment.
  • the current integrated environment parameter includes visibility
  • the instruction generating module 320 is configured to:
  • the visibility of the current driving segment is obtained, and the obtained visibility is compared with a preset visibility threshold. If the acquired visibility is less than or equal to the preset visibility threshold, indicating that the visibility is low and the driving risk is high, The deceleration command is generated, and the on-board unit performs the deceleration operation according to the deceleration command to drive safely.
  • the vehicle speed control device acquires the current integrated environmental parameter collected by the sensor, generates a vehicle speed control command according to the collected parameter, and correspondingly adjusts the vehicle speed, and causes the vehicle to travel at the adjusted vehicle speed.
  • the driving speed is controlled correspondingly, thereby improving the safety of driving.
  • the storage medium may be a magnetic disk, an optical disk, or a read-only storage memory (Read-Only)
  • ROM Read Only Memory
  • RAM Random Access Memory

Abstract

La présente invention concerne un procédé de commande de vitesse de véhicule consistant à : acquérir des paramètres environnementaux complets actuels collectés par un capteur (S101) ; selon les paramètres environnementaux complets actuels, générer une instruction de commande de vitesse de véhicule (S102) ; selon l'instruction de commande, régler la vitesse d'un véhicule de telle sorte que le véhicule se déplace à une vitesse réglée (S103). La présente invention concerne également un dispositif de commande de vitesse de véhicule. Au moyen d'une détection environnementale, la vitesse d'un véhicule est commandée en conséquence, ce qui permet d'améliorer la sécurité de conduite.
PCT/CN2016/109010 2016-09-06 2016-12-08 Procédé et dispositif de commande de vitesse de véhicule WO2018045650A1 (fr)

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CN201610810479.4A CN106394245A (zh) 2016-09-06 2016-09-06 一种车速控制方法及装置
CN201610810479.4 2016-09-06

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CN108437796A (zh) * 2018-05-18 2018-08-24 北京汽车集团有限公司 车辆控制方法、装置及车辆
CN110459065A (zh) * 2019-08-15 2019-11-15 陈月莲 一种应用新一代信息技术的车辆车速管控系统及管控方法

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