WO2018053945A1

WO2018053945A1 - Vehicle engine control method and roadside unit

Info

Publication number: WO2018053945A1
Application number: PCT/CN2016/109004
Authority: WO
Inventors: 刘均; 宋朝忠; 欧阳张鹏
Original assignee: 深圳市元征科技股份有限公司
Priority date: 2016-09-22
Filing date: 2016-12-08
Publication date: 2018-03-29
Also published as: CN106438066B; CN106438066A

Abstract

A vehicle engine control method, comprising: obtaining the number of vehicles traveling within a preset distance range on a target road (S101); calculating congestion duration according to the number of vehicles (S102); generating a congestion command when the congestion duration is greater than or equal to preset duration (S103); and sending the congestion command to a target vehicle, so that the target vehicle sets an engine to be in a sleep state (S104). Also provided is a roadside unit. According to the vehicle engine control method and the roadside device, the present invention controls a vehicle engine by calculating congestion duration of the vehicle, so as to reasonably adjust the working mode of the engine, thereby reducing energy consumption of the vehicle within a unit distance.

Description

Title of Invention: A Vehicle Engine Control Method and Roadside Unit

[0001] Technical Field

[0002] The present invention relates to the field of communications technologies, and in particular, to a vehicle engine control method and a roadside unit.

BACKGROUND

[0004] With the rapid increase in the number of vehicles, the probability of road congestion increases, and it is concentrated in traffic bottlenecks such as road intersections, road entrances and exits, and road accident points that are easy to form congestion points. Vehicles are stuck due to congestion. The daytime on the road is as small as a few minutes or even tens of minutes or more, and during the detention period, because there is no effective unified command, because the user does not know the congestion, the passive follow-up or the original can only be moved one step at a time. Waiting for the ground and not stopping the engine to wait for the flame will cause a significant increase in the energy consumption per unit distance of the vehicle.

SUMMARY OF THE INVENTION

The technical problem to be solved by the embodiments of the present invention is to provide a vehicle engine control method and a roadside unit, which can control the vehicle transmitter by calculating the congestion length of the vehicle to reasonably adjust the working mode of the engine, thereby saving The energy consumption of the vehicle unit distance.

[0007] In order to solve the above technical problem, an embodiment of the present invention provides a vehicle engine control method, where the method includes:

[0008] acquiring the number of vehicles traveling within a preset distance range on the target road;

[0009] calculating a congestion length according to the number of vehicles;

[0010] generating a congestion command when the congestion length is greater than or equal to a preset length;

[0011] transmitting the congestion command to the target vehicle to cause the target vehicle to set the engine to a sleep state.

[0012] Optionally, after the sending the congestion command to the target vehicle, so that the target vehicle sets the engine to the sleep state, the method further includes:

[0013] generating an idle instruction after detecting that the target road is idle;

[0014] transmitting the idle command to the target vehicle to cause the target vehicle to set the engine to a working state.

[0015] Optionally, the sending the idle instruction to the target vehicle, so that the target vehicle will send the After the motivation is set to work status, it also includes:

[0016] planning a driving route for the target vehicle, and instructing the target vehicle to pass at a preset vehicle speed according to the driving route.

[0017] Optionally, the acquiring the number of vehicles traveling within a preset distance range on the target road includes:

[0018] acquiring driving video information on the target road collected by the camera, and extracting the number of vehicles within a preset distance range on the target road in the driving video information.

[0019] Optionally, the calculating the congestion length according to the number of vehicles includes:

[0020] determining, according to the correspondence between the number of different vehicles and the different congestion lengths in the preset distance range, determining a congestion length corresponding to the number of vehicles traveling within the preset distance range on the target road.

[0021] Correspondingly, an embodiment of the present invention further provides a roadside unit, including:

[0022] a vehicle quantity acquisition module, configured to acquire a number of vehicles traveling within a preset distance range on the target road; [0023] a congestion length calculation module, configured to calculate a congestion length according to the number of vehicles;

[0024] a congestion instruction generating module, configured to generate a congestion instruction when the congestion length is greater than or equal to a preset length;

And a congestion command sending module, configured to send the congestion command to the target vehicle, so that the target vehicle sets the engine to a sleep state.

[0026] Optionally, the roadside unit further includes:

[0027] an idle instruction generating module, configured to generate an idle instruction after detecting the target road idle time; [0028] an idle command sending module, configured to send the idle instruction to the target vehicle, to enable the target The vehicle sets the engine to an operational state.

[0029] Optionally, the roadside unit further includes:

[0030] a traffic indication module, configured to plan a driving route for the target vehicle, and instruct the target vehicle to pass at a preset vehicle speed according to the driving route.

[0031] Optionally, the vehicle quantity obtaining module is configured to:

[0032] acquiring driving video information on the target road collected by the camera, and extracting the number of vehicles within a preset distance range on the target road in the driving video information.

[0033] Optionally, the congestion and length calculation module is configured to:

[0034] determining, according to the correspondence between the number of different vehicles and the different congestion lengths within the preset distance range The number of vehicles corresponding to the number of vehicles traveling within the preset distance range on the target road corresponds to the length of the congestion.

[0035] Embodiments of the present invention have the following beneficial effects: The roadside unit acquires the number of vehicles traveling within a preset distance range on the target road, and determines the congestion length according to the number of vehicles, when the congestion length is greater than or equal to the preset Long 吋, generates a congestion command and sends it to the target vehicle to set the target vehicle to sleep. By adopting the invention, the vehicle transmitter is controlled by calculating the congestion length of the vehicle to reasonably adjust the working mode of the engine, thereby saving energy consumption per unit distance of the vehicle.

BRIEF DESCRIPTION OF THE DRAWINGS

[0037] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings to be used in the embodiments will be briefly described below. Obviously, the drawings in the following description are only the present drawings. Some embodiments of the invention may be obtained by those of ordinary skill in the art from the drawings without departing from the scope of the invention.

1 is a schematic flow chart of a vehicle engine control method according to an embodiment of the present invention;

2 is a schematic diagram of a driving interface within a preset distance range on a target road in an embodiment of the present invention; [0040] FIG. 3 is a preset distance range on a target road in another embodiment of the present invention; FIG. 4 is a schematic flow chart of a vehicle engine control method according to another embodiment of the present invention; FIG.

5 is a schematic structural view of a roadside unit in an embodiment of the present invention.

DETAILED DESCRIPTION

The technical solutions in the embodiments of the present invention are clearly and completely described in the following with reference to the accompanying drawings in the embodiments of the present invention. It is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. example. All other embodiments obtained by a person of ordinary skill in the art based on the embodiments of the present invention without creative efforts are within the scope of the present invention.

[0045] The roadside unit in the embodiment of the present invention may perform connection communication with the vehicle in this embodiment by means of Bluetooth, the Internet, or Z-wave.

[0046] It is to be understood that the terminology used in the embodiments of the present invention is for the purpose of describing particular embodiments, and is not intended to limit the invention. The singular forms "a", "the" and "the" It should also be understood that the term "and/or" as used herein refers to and encompasses any and all possible combinations of one or more of the associated listed items. 1 is a schematic flow chart of a vehicle engine control method according to an embodiment of the present invention, and the method may include:

[0048] Step S101: Acquire a number of vehicles traveling within a preset distance range on the target road.

[0049] Specifically, the driving video information on the target road may be collected by the camera of the roadside unit, and the range of the preset distance is obtained, for example, the distance from the intersection of the target road section (the intersection of the exercising direction) is so, and then extracted. The number of vehicles traveling within a preset distance range.

[0050] For example, as shown in FIG. 2, the target road is an AB road segment, and the preset distance is the distance B intersection S0, the driving video information of the road section is collected, and the number of vehicles in the road section is determined according to the vehicle identification. The vehicle identification may be a license plate number, a mobile phone number registered by the user, and a model of the vehicle, for uniquely identifying the vehicle.

[0051] Step S102: Calculate the congestion length according to the number of vehicles.

[0052] Specifically, in a feasible embodiment, the number of vehicles that the target road segment can carry (normally pass) within a preset distance range is obtained, and the current number of vehicles of the road segment and the number of vehicles that can be carried are obtained. Performing an alignment, obtaining a comparison difference, determining a target congestion length corresponding to the comparison difference according to a correspondence between different difference numbers and different congestion lengths; and in another feasible embodiment, according to the prediction The correspondence between the number of different vehicles and the different congestion lengths in the distance range is determined, and the congestion length corresponding to the number of vehicles traveling within the preset distance range on the target road is determined; or the congestion length is calculated according to a preset algorithm.

[0053] For example, as shown in FIG. 3, the target road A1A2 has 4 lanes, and within the preset distance range SO, the number of vehicles that can be carried (normally passing) per lane is 5, and therefore, the total number of vehicles that can be carried is 20, and the current number of vehicles obtained is 25, and the difference is 5 after the comparison. According to the correspondence between the difference shown in Table 1 and the congestion length, the corresponding congestion length is determined to be 10 minutes.

[0054] for the number J interception;; interception; duration

HI 2 sleeps [0055] Step S103: Generate a congestion command when the congestion length is greater than or equal to a preset length.

[0056] Specifically, the roadside unit compares the determined congestion length with a preset waiting length criterion, and determines whether it is greater than or equal to a preset waiting length criterion, and if yes, generates a congestion command, where the congestion command is generated. Carrying congestion and length. Wherein the instruction is a command instructing a computer to perform a certain 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, and the address code indicates the content of the operating object or the location of the storage unit. The lowest level instruction is a string of 0's and 1, indicating that an entity job operation is to be run. Depending on the type of instruction, 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.

[0057] For example, if the preset waiting time is 5 minutes and the determined congestion time is 20 minutes, then, a congestion command that carries a congestion for 5 minutes is generated.

[0058] Step S104: Send the congestion command to the target vehicle, so that the target vehicle sets the engine to a sleep state.

[0059] Specifically, the roadside unit sends the congestion command to the target vehicle, and after receiving the congestion command, the target vehicle determines the congestion length, turns off the engine, and stops the fire.

[0060] Optionally, after receiving the congestion command to obtain the congestion length, the target vehicle compares the congestion length with the preset congestion time of the target vehicle, and the congestion length is greater than or equal to the congestion of the congested vehicle. The transmitter can be turned off, or the engine motor speed can be reduced to reduce the fuel consumption per unit mileage.

[0061] In the embodiment of the present invention, the roadside unit acquires the number of vehicles traveling within a preset distance range on the target road, and determines the congestion length according to the number of vehicles. When the congestion length is greater than or equal to the preset length, A congestion command is generated and sent to the target vehicle to cause the target vehicle to set the engine to a sleep state. With the present invention, the vehicle transmitter is controlled by calculating the congestion length of the vehicle to reasonably adjust the operating mode of the engine, thereby saving energy consumption per unit distance of the vehicle.

4 is a schematic flow chart of a vehicle engine control method according to another embodiment of the present invention, and the method may include:

[0063] Step S201: Acquire driving video information on the target road collected by the camera, and extract the number of vehicles within the preset distance range on the target road in the driving video information.

[0064] Specifically, a camera is installed on the roadside unit, and the monitored road section is collected by the camera. The video information is then parsed to extract the number of vehicles within a certain range of traffic lights that control the road segment. If the traffic signal control device collects the driving video information of the plurality of road sections, the number of vehicles corresponding to each road section may be separately extracted.

[0065] Optionally, the driving video information of the collection road segment may be real or periodic, and is not specifically limited herein.

[0066] Optionally, the driving video information of the collecting road segment may be actively collected by the roadside unit, or may be collected by the target vehicle to the roadside unit to send a road congestion notification to the roadside unit, which is not limited.

[0067] Step S202, according to the corresponding relationship between the number of different vehicles and the different congestion lengths in the preset distance range

And determining a congestion length corresponding to the number of vehicles traveling within a preset distance range on the target road.

[0068] Specifically, as shown in Table 2, the corresponding relationship between the number of vehicles in a predetermined distance range and the congestion length, wherein different numbers of vehicles correspond to different congestion lengths, if the number of acquired vehicles is 25 , then check 2 to know that the corresponding congestion is 20 to 30 minutes long.

[0069]

[0070] Step S203: Generate a congestion command when the congestion length is greater than or equal to a preset length.

[0071] Specifically, the roadside unit compares the determined congestion length with a preset waiting length criterion, and determines whether it is greater than or equal to a preset waiting length criterion, and if yes, generates a congestion command, where the congestion command is generated. Carrying congestion and length. Wherein the instruction is a command instructing a computer to perform a certain 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, and the address code indicates the content of the operating object or the location of the storage unit. The lowest level instruction is a string of 0's and 1, indicating that an entity job operation is to be run. Depending on the type of instruction, 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.

[0072] For example, the preset waiting time is 5 minutes, and the determined congestion time is 20 minutes. Congestion command with 5 minutes of congestion.

[0073] Step S204: Send the congestion command to the target vehicle, so that the target vehicle sets the engine to a sleep state.

[0074] Specifically, the roadside unit sends the congestion command to the target vehicle, and after receiving the congestion command, the target vehicle determines the congestion length, turns off the engine, and stops the fire.

[0075] Optionally, after the target vehicle receives the congestion command to obtain the congestion length, the target length of the congestion is compared with the preset congestion time of the target vehicle, and the congestion length is greater than or equal to the congestion of the congested vehicle. The transmitter can be turned off, or the engine motor speed can be reduced to reduce the fuel consumption per unit mileage.

[0076] Step S205: After detecting that the target road is idle, generating an idle instruction.

[0077] Specifically, after the vehicle is turned off, if the road section is idle or unblocked by the camera, an idle command or a road segment clear command is generated.

[0078] Step S206: Send the idle instruction to the target vehicle, so that the target vehicle sets the engine to an active state.

[0079] Specifically, the roadside unit sends an idle command to the target vehicle, and after the target vehicle receives the idle command, starts the engine.

[0080] Step S207, planning a driving route for the target vehicle, and instructing the target vehicle to pass at a preset vehicle speed according to the driving route.

[0081] In the embodiment of the present invention, the roadside unit acquires the number of vehicles traveling within a preset distance range on the target road, and determines the congestion length according to the number of vehicles, and when the congestion length is greater than or equal to the preset length, A congestion command is generated and sent to the target vehicle to cause the target vehicle to set the engine to a sleep state. With the present invention, the vehicle transmitter is controlled by calculating the congestion length of the vehicle to reasonably adjust the operating mode of the engine, thereby saving energy consumption per unit distance of the vehicle.

[0082] FIG. 5 is a schematic structural diagram of a roadside unit according to an embodiment of the present invention. The roadside unit may include:

[0083] The vehicle quantity acquisition module 510 is configured to acquire the number of vehicles traveling within a preset distance range on the target road. [0084] Specifically, the driving video information on the target road may be collected by the camera of the roadside unit, and the pre-acquisition is obtained. Set the range of the distance, such as the distance from the intersection of the target road section (the intersection of the direction of movement), so The number of vehicles traveling within a preset distance range is then extracted.

[0085] For example, as shown in FIG. 2, the target road is an AB road segment, and the preset distance is a distance B intersection S0, and the driving video information of the road section is collected, and the number of vehicles in the road section is determined according to the vehicle identification. The vehicle identification may be a license plate number, a mobile phone number registered by the user, and a model of the vehicle, for uniquely identifying the vehicle.

[0086] Optionally, the vehicle quantity obtaining module 510 is configured to:

Obtaining driving video information on the target road collected by the camera, and extracting the number of vehicles within a preset distance range on the target road in the driving video information.

[0088] Specifically, a camera is installed on the roadside unit, and the driving video information of the monitored road section is collected by the camera, and then the driving video information is analyzed to extract a traffic signal from the road section. The number of vehicles in the range. If the traffic signal control device collects the driving video information of multiple road sections, the number of vehicles corresponding to each road section can be separately extracted.

[0089] Optionally, the driving video information of the collection road segment may be real or periodic, and is not specifically limited herein.

[0090] Optionally, the driving video information of the collection road segment may be actively collected by the roadside unit, or may be collected by the target vehicle to the roadside unit to send a road congestion notification to the roadside unit, which is not limited.

[0091] The congestion length calculation module 520 is configured to calculate a congestion length according to the number of vehicles.

[0092] Optionally, the congestion length calculation module 520 is configured to:

[0093] determining, according to the correspondence between the number of different vehicles and the different congestion lengths in the preset distance range, determining a congestion length corresponding to the number of vehicles traveling within the preset distance range on the target road.

[0094] Specifically, as shown in Table 2, the corresponding relationship between the number of vehicles in a predetermined distance range and the congestion length, wherein different vehicle numbers correspond to different congestion lengths, if the number of acquired vehicles is 25 , then check 2 to know that the corresponding congestion is 20 to 30 minutes long.

[0095] The congestion instruction generating module 530 is configured to generate a congestion instruction when the congestion length is greater than or equal to a preset length.

[0096] Specifically, the roadside unit compares the determined congestion length with a preset waiting length criterion, and determines whether it is greater than or equal to a preset waiting length criterion, and if yes, generates a congestion command, where the congestion command is generated. Carrying congestion and length. Wherein the instruction is a command instructing a computer to perform a certain 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, and 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 1s, indicating that an entity job operation is to be run. Depending on the type of instruction, 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.

[0097] For example, if the preset waiting time is 5 minutes, and the determined congestion time is 20 minutes, then, a congestion command that carries the congestion for 5 minutes is generated.

[0098] The congestion command sending module 540 is configured to send the congestion command to the target vehicle, so that the target vehicle sets the engine to a sleep state.

[0099] Specifically, the roadside unit sends the congestion command to the target vehicle, and after receiving the congestion command, the target vehicle determines the congestion length, turns off the engine, and stops the fire.

[0100] Optionally, after receiving the congestion command to obtain the congestion length, the target vehicle compares the congestion length with the preset congestion time of the target vehicle, and the congestion length is greater than or equal to the congestion of the congested vehicle. The transmitter can be turned off, or the engine motor speed can be reduced to reduce the fuel consumption per unit mileage.

[0101] Optionally, the roadside unit further includes:

[0102] The idle instruction generating module 550 is configured to generate an idle instruction after detecting that the target road is idle.

[0103] Specifically, after the vehicle is turned off, if the road section is idle or unblocked by the camera, an idle command or a road segment clear command is generated.

[0104] The idle command sending module 560 is configured to send the idle command to the target vehicle, so that the target vehicle sets the engine to an active state.

[0105] Specifically, the roadside unit transmits an idle command to the target vehicle, and after the target vehicle receives the idle command, starts the engine.

[0106] Optionally, the roadside unit further includes:

[0107] The traffic indication module 570 is configured to plan a driving route for the target vehicle, and instruct the target vehicle to pass at a preset vehicle speed according to the driving route.

[0108] In the embodiment of the present invention, the roadside unit acquires the number of vehicles traveling within a preset distance range on the target road, and determines the congestion length according to the number of vehicles, and when the congestion length is greater than or equal to the preset length, A congestion command is generated and sent to the target vehicle to cause the target vehicle to set the engine to a sleep state. Adopt According to the present invention, the vehicle transmitter is controlled by calculating the congestion length of the vehicle to reasonably adjust the operating mode of the engine, thereby saving energy consumption per unit distance of the vehicle.

[0109] Those skilled in the art can understand that all or part of the process of implementing the above embodiments may be completed by a computer program to instruct related hardware, and the program may be stored in a computer readable storage medium. The program, after execution, may include the flow of an embodiment of the methods as described above. The storage medium may be a magnetic disk, an optical disk, or a read-only storage memory (Read-Only)

Memory, ROM) or Random Access Memory (RAM).

The above is only the preferred embodiment of the present invention, and the scope of the present invention is not limited thereto, and the equivalent changes made by the claims of the present invention are still within the scope of the present invention. technical problem

Problem solution

Advantageous effects of the invention

Claims

Claim

[Claim 1] A vehicle engine control method, comprising:

Obtaining the number of vehicles traveling within a preset distance range on the target road; calculating the congestion length according to the number of vehicles;

A congestion command is generated when the congestion length is greater than or equal to a preset length; the congestion command is sent to the target vehicle to cause the target vehicle to set the engine to a sleep state.

[Claim 2] The method according to claim 1, wherein the sending a congestion command to the target vehicle to cause the target vehicle to set the engine to the sleep state further comprises: detecting the target The road is idle, generating an idle command; transmitting the idle command to the target vehicle to cause the target vehicle to set the engine to an active state.

The method of claim 2, wherein the sending the idle command to the target vehicle to enable the target vehicle to set the engine to an active state further comprises:

A driving route is planned for the target vehicle, and the target vehicle is instructed to pass at a preset speed according to the driving route.

[Claim 4] The method according to claim 1, wherein the acquiring the number of vehicles traveling within a preset distance on the target road includes:

[Claim 5] The method according to claim 1, wherein the calculating the congestion length according to the number of vehicles comprises:

According to the corresponding relationship between the number of different vehicles and the different congestion lengths within the preset distance range, Determining a congestion length corresponding to the number of vehicles traveling within a preset distance range on the target road

[Claim 6] A roadside unit, comprising:

a vehicle quantity acquisition module, configured to acquire the number of vehicles traveling within a preset distance range on the target road;

a congestion calculation module, configured to calculate a congestion length according to the number of vehicles; a congestion instruction generation module, configured to generate a congestion instruction when the congestion length is greater than or equal to a preset length;

The roadside unit according to claim 6, wherein the roadside unit further includes an idle command generating module, configured to generate an idle command after detecting that the target road is idle;

And an idle command sending module, configured to send the idle command to the target vehicle, so that the target vehicle sets the engine to an active state.

[Claim 8] The roadside unit according to claim 7, wherein the roadside unit further includes a traffic indication module, configured to plan a driving route for the target vehicle, and indicate that the target vehicle is based on The driving route passes at a preset speed.

[Claim 9] The roadside unit according to claim 6, wherein the vehicle quantity acquisition module

, for:

Obtaining driving video information on the target road collected by the camera, and extracting the number of vehicles within a preset distance range on the target road in the driving video information. [Claim 10] The roadside unit according to claim 6, wherein the congestion length calculation module is configured to:

Determining a congestion duration corresponding to the number of vehicles traveling within a preset distance range on the target road according to a correspondence between different vehicle numbers and different congestion lengths within the preset distance range