CN111376900A - Vehicle speed control method, vehicle speed control device, computer equipment and storage medium - Google Patents
Vehicle speed control method, vehicle speed control device, computer equipment and storage medium Download PDFInfo
- Publication number
- CN111376900A CN111376900A CN201811612355.0A CN201811612355A CN111376900A CN 111376900 A CN111376900 A CN 111376900A CN 201811612355 A CN201811612355 A CN 201811612355A CN 111376900 A CN111376900 A CN 111376900A
- Authority
- CN
- China
- Prior art keywords
- vehicle
- data
- driving
- pressure
- pressure test
- Prior art date
- Legal status (The legal status 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 status listed.)
- Granted
Links
- 238000000034 method Methods 0.000 title claims abstract description 40
- 230000001133 acceleration Effects 0.000 claims abstract description 21
- 238000004590 computer program Methods 0.000 claims description 23
- 238000004364 calculation method Methods 0.000 claims description 5
- 239000000919 ceramic Substances 0.000 description 6
- 206010039203 Road traffic accident Diseases 0.000 description 5
- 238000004891 communication Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 5
- 230000008569 process Effects 0.000 description 2
- 230000001360 synchronised effect Effects 0.000 description 2
- 208000025274 Lightning injury Diseases 0.000 description 1
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
Images
Classifications
-
- 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
- B60W30/08—Active safety systems predicting or avoiding probable or impending collision or attempting to minimise its consequences
- B60W30/09—Taking automatic action to avoid collision, e.g. braking and steering
Landscapes
- Engineering & Computer Science (AREA)
- Automation & Control Theory (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Control Of Driving Devices And Active Controlling Of Vehicle (AREA)
- Traffic Control Systems (AREA)
Abstract
The application relates to the technical field of control, in particular to a vehicle speed control method, a vehicle speed control device, computer equipment and a storage medium. The method comprises the following steps: the method comprises the steps of determining a vehicle running in front and a vehicle running behind in the same running direction at the current moment according to road pressure sensing data on a road section, running data of each vehicle according to the sensing data, a running position and a running direction, and obtaining the relative distance between the vehicle running in front and the vehicle running behind; and when the relative distance between the vehicle running in front and the vehicle running behind is less than the preset safe distance, sending an acceleration command to the vehicle running in front and sending a deceleration command to the vehicle running behind. According to the vehicle speed control method, the relative distance between the vehicles on the road section is obtained, when the relative distance is smaller than the preset safe distance, the acceleration instruction is sent to the front vehicle, the deceleration instruction is sent to the rear vehicle, and the distance between the vehicles is increased by controlling the speed of the two vehicles, so that the purpose of guaranteeing the driving safety on the road section is achieved.
Description
Technical Field
The present application relates to the field of computer technologies, and in particular, to a method and an apparatus for controlling a vehicle speed, a computer device, and a storage medium.
Background
The traffic accident refers to an event that the vehicle is mistakenly or accidentally driven on a passageway to cause personal injury or property loss. Traffic accidents are not only caused by unspecified persons violating road traffic safety regulations; or due to irresistible natural disasters such as earthquake, typhoon, mountain torrents, lightning stroke and the like. At present, traffic accidents are mainly caused by automobiles on roads, and the fact that the automobiles are too fast is a main cause of the traffic accidents.
Some automobiles currently have an automatic cruise system, and when the speed exceeds a set speed, the control system of the automobile can automatically reduce the speed. However, this function can only set the maximum speed, and cannot avoid an accident in which the vehicle collides below the maximum speed.
Disclosure of Invention
In view of the above, it is desirable to provide a vehicle speed control method, a vehicle speed control device, a computer device, and a storage medium capable of driving safely.
A vehicle speed control method, the method comprising:
acquiring road pressure sensing data on a road section, and determining driving data of each vehicle on the road section according to the road pressure sensing data, wherein the driving data comprises driving positions and driving directions;
determining a vehicle running ahead and a vehicle running behind in two adjacent vehicles in the same running direction at the current moment according to the running position and the running direction, and acquiring the relative distance between the vehicle running ahead and the vehicle running behind;
and when the relative distance between the vehicle running in front and the vehicle running behind is smaller than a preset safe distance, sending an acceleration instruction to the vehicle running in front, and sending a deceleration instruction to the vehicle running behind.
In one embodiment, the driving data further includes a driving speed, and the obtaining of the driving data of each vehicle on the road section further includes:
and when the running speed of the vehicle is greater than the preset safe running speed, sending a deceleration instruction to the overspeed vehicle.
In one embodiment, the determining the driving data of each vehicle on the road segment according to the road pressure sensing data includes:
acquiring road pressure sensing data, and determining time data of the current vehicle passing through each pressure test point according to the pressure data of each pressure test point;
and acquiring the position data of each pressure test point, and determining the driving data of the current vehicle according to the time data of the current vehicle driving through each pressure test point and the position data of the pressure test points.
In one embodiment, the determining the time data when the current vehicle passes through each pressure test point according to the pressure data of each pressure test point specifically includes:
acquiring road pressure sensing data, and determining time data of the current vehicle passing through each pressure test point according to the pressure data of each pressure test point;
and taking the time data corresponding to the pressure data when the current vehicle passes through each pressure test point as the time data when the current vehicle passes through each pressure test point.
In one embodiment, the determining the driving data of the current vehicle according to the time data of the current vehicle driving through each pressure test point and the position data of the pressure test points includes:
determining the driving speed of the current vehicle according to the time data of the current vehicle driving through each pressure test point and the relative distance of the current vehicle driving through each pressure test point;
determining the driving direction of the current vehicle according to the time data of the current vehicle driving through each pressure test point and the relative position of each pressure test point;
and determining the driving position of the current vehicle according to the driving speed and the driving direction of the current vehicle.
In one embodiment, the sending an acceleration command to the preceding vehicle and sending a deceleration command to the following vehicle before the preceding vehicle when the relative distance between the preceding vehicle and the following vehicle is less than a preset safe distance further includes:
determining the safe distance of the current vehicle according to the pressure data of the current vehicle and the running speed of the current vehicle;
and taking the safe distance of the vehicle running behind as a preset safe distance.
A vehicle speed control apparatus, the apparatus comprising:
the driving data acquisition module is used for acquiring road pressure sensing data on a road section and determining driving data of each vehicle on the road section according to the road pressure sensing data, wherein the driving data comprises a driving position and a driving direction;
the relative distance determining module is used for determining a vehicle running ahead and a vehicle running behind in two adjacent vehicles in the same running direction at the current moment according to the running position and the running direction, and acquiring the relative distance between the vehicle running ahead and the vehicle running behind;
and the vehicle speed control module is used for sending an acceleration instruction to the vehicle running ahead and sending a deceleration instruction to the vehicle running behind when the relative distance between the vehicle running ahead and the vehicle running behind is smaller than a preset safe distance.
In one embodiment, the road pressure sensing data includes pressure data of each pressure test point in a road segment and time data corresponding to the pressure data, and the driving data acquiring module is specifically configured to:
the sensing data acquisition unit is used for acquiring road pressure sensing data and determining the time data of the current vehicle when the vehicle passes through each pressure test point according to the pressure data of each pressure test point;
and the driving data calculation unit is used for acquiring the position data of each pressure test point and determining the driving data of the current vehicle according to the time data of the current vehicle when the vehicle passes through each pressure test point and the position data of the pressure test points.
A computer device comprising a memory and a processor, the memory storing a computer program, the processor implementing the following steps when executing the computer program:
acquiring road pressure sensing data on a road section, and determining driving data of each vehicle on the road section according to the road pressure sensing data, wherein the driving data comprises driving positions and driving directions;
determining a vehicle running ahead and a vehicle running behind in two adjacent vehicles in the same running direction at the current moment according to the running position and the running direction, and acquiring the relative distance between the vehicle running ahead and the vehicle running behind;
and when the relative distance between the vehicle running in front and the vehicle running behind is smaller than a preset safe distance, sending an acceleration instruction to the vehicle running in front, and sending a deceleration instruction to the vehicle running behind.
A computer-readable storage medium, on which a computer program is stored which, when executed by a processor, carries out the steps of:
acquiring road pressure sensing data on a road section, and determining driving data of each vehicle on the road section according to the road pressure sensing data, wherein the driving data comprises driving positions and driving directions;
determining a vehicle running ahead and a vehicle running behind in two adjacent vehicles in the same running direction at the current moment according to the running position and the running direction, and acquiring the relative distance between the vehicle running ahead and the vehicle running behind;
and when the relative distance between the vehicle running in front and the vehicle running behind is smaller than a preset safe distance, sending an acceleration instruction to the vehicle running in front, and sending a deceleration instruction to the vehicle running behind.
According to the vehicle speed control method, the vehicle speed control device, the computer equipment and the storage medium, firstly, road pressure sensing data on a road section is obtained, according to the driving data of each vehicle in the sensing data, according to the driving position and the driving direction in the driving data, a vehicle driving in front and a vehicle driving behind in the same driving direction at the current moment are determined, and the relative distance between the vehicle driving in front and the vehicle driving behind is obtained; and when the relative distance between the vehicle running in front and the vehicle running behind is less than the preset safe distance, sending an acceleration command to the vehicle running in front and sending a deceleration command to the vehicle running behind to prevent the vehicle from colliding. According to the vehicle speed control method, the relative distance between the vehicles on the road section is obtained, when the relative distance is smaller than the preset safe distance, the acceleration instruction is sent to the front vehicle, the deceleration instruction is sent to the rear vehicle, and the distance between the vehicles is increased by controlling the speed of the two vehicles, so that the purpose of guaranteeing the driving safety on the road section is achieved.
Drawings
FIG. 1 is a diagram of an exemplary vehicle speed control method;
FIG. 2 is a flow chart illustrating a method for controlling vehicle speed according to one embodiment;
FIG. 3 is a flow chart illustrating a method for controlling vehicle speed according to one embodiment;
FIG. 4 is a flow chart illustrating a method of controlling vehicle speed according to one embodiment;
FIG. 5 is a block diagram showing the construction of a vehicle speed control apparatus in one embodiment;
FIG. 6 is a diagram illustrating an internal structure of a computer device according to an embodiment.
Detailed Description
In order to make the objects, technical solutions and advantages of the present application more apparent, the present application is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the present application and are not intended to limit the present application.
The vehicle speed control method provided by the application can be applied to an application environment shown in fig. 1, wherein an automobile where a vehicle driver is located includes a terminal 102, the terminal 102 can communicate with a server through a network, the server 104 can obtain driving information of vehicles on a road, after the server 104 receives the driving information, firstly, according to a driving position and a driving direction, a vehicle driving in front and a vehicle driving behind in the same driving direction at the current moment are determined, when a relative distance between the vehicle driving in front and the vehicle driving behind is smaller than a preset safety distance, an acceleration instruction can be sent to the vehicle driving in front, and a deceleration instruction is sent to the vehicle driving behind to ensure driving safety, and the terminal 102 can be a wireless communication control module installed on the vehicle.
As shown in fig. 2, in one embodiment, the vehicle speed control method of the present application is implemented by a server, and specifically includes the following steps:
s200, the server acquires road pressure sensing data on the road section, and determines driving data of each vehicle on the road section according to the road pressure sensing data, wherein the driving data comprises driving positions and driving directions.
The server is a server including the vehicle speed control method, and specifically can be a cloud computing server, and is used for controlling the vehicle speed on the road according to the vehicle data. The road pressure sensing data can be obtained through sensors installed on a road section, in one embodiment, the road pressure sensing data can be obtained through ceramic pressure sensors installed on a road, four ceramic pressure sensors are longitudinally arranged on the last one-way road, the distance between every two ceramic pressure sensors is 10 meters, then pressure data and corresponding time data of the sensors are obtained, and relevant driving data are obtained through the road pressure data. The relevant driving data is obtained through the sensing data on the road section, and the method is convenient and fast. The driving data refers to relevant information of driving of each vehicle on a preset road, and the driving data can be obtained by analyzing relevant sensing data.
The server firstly needs to acquire driving data of each vehicle on a road section so as to judge whether the relevant vehicle needs to be controlled or not according to the driving data.
S400, determining a vehicle running in front and a vehicle running behind in two adjacent vehicles in the same running direction at the current moment according to the running position and the running direction, and acquiring the relative distance between the vehicle running in front and the vehicle running behind.
The driving position specifically refers to a specific position of the current vehicle, the driving direction refers to a driving direction of the automobile, and the relative distance refers to a relative distance between each of the preceding vehicles and the following vehicles which are traveling in the same direction. Specifically, the driving direction of the vehicle may be estimated based on a change in the position of the vehicle on the road, and then the front and rear of the vehicle may be determined based on the current driving direction and the specific position of each vehicle, a vehicle that is driving ahead and a vehicle that is driving behind in relation to each other among the vehicles adjacent in the current direction may be determined, and the relative distance between each vehicle that is driving ahead and each vehicle that is driving behind may be determined based on the current position of each vehicle.
S600, when the relative distance between the vehicle running in front and the vehicle running behind is smaller than the preset safe distance, sending an acceleration command to the vehicle running in front, and sending a deceleration command to the vehicle running behind.
The preset safe distance may be a preset distance for securing driving safety of two vehicles running ahead and behind. Specifically, the distance may be a distance at which a following vehicle running in the two vehicles does not directly collide with a preceding vehicle when the following vehicle runs through the brake. When the server judges that the relative distance between the two vehicles is smaller than the preset safe distance, the server can send an acceleration instruction to the vehicle running in front and send a deceleration instruction to the vehicle running behind so as to pull the distance between the two vehicles relative to each other at present and ensure the driving safety. The wireless communication control module also comprises communication interfaces such as UART/USB/ADC/I2C/SPI/GPIO and the like, the communication interfaces can be connected with a cruise system of each vehicle, and the server can control the related vehicle speed by sending a speed control related instruction to the wireless communication control module, so that the driving safety is ensured.
The vehicle speed control method comprises the steps of firstly, determining a vehicle driving in front and a vehicle driving behind in the same driving direction at the current moment according to road pressure sensing data on a road section, driving data of each vehicle according to the sensing data, and driving positions and driving directions in the driving data, and obtaining the relative distance between the vehicle driving in front and the vehicle driving behind; and when the relative distance between the vehicle running in front and the vehicle running behind is less than the preset safe distance, sending an acceleration command to the vehicle running in front and sending a deceleration command to the vehicle running behind to prevent the vehicle from colliding. According to the vehicle speed control method, the relative distance between the vehicles on the road section is obtained, when the relative distance is smaller than the preset safe distance, the acceleration instruction is sent to the front vehicle, the deceleration instruction is sent to the rear vehicle, and the distance between the vehicles is increased by controlling the speed of the two vehicles, so that the purpose of guaranteeing the driving safety on the road section is achieved.
As shown in fig. 3, in one embodiment, the driving data further includes a driving speed, and after S200, the method further includes:
and S300, when the driving speed of the vehicle is greater than the preset safe driving speed, sending a deceleration instruction to the overspeed vehicle.
The too fast driving speed of vehicle is an important factor that causes traffic accidents, can judge that current vehicle probably has driving risk when vehicle speed is too fast through obtaining the driving speed of current vehicle, sends the speed reduction instruction to the vehicle that current hypervelocity then to control its speed, ensures driving safety on the road. The driving speed of the current automobile can be estimated specifically by the variation amount and the variation time of the driving position of the current automobile.
As shown in fig. 4, in one embodiment, the road pressure sensing data includes pressure data of each pressure test point in the road segment and time data corresponding to the pressure data, and S200 specifically includes:
s210, acquiring road pressure sensing data, and determining time data of the current vehicle passing through each pressure test point according to the pressure data of each pressure test point;
and S230, acquiring the position data of each pressure test point, and determining the driving data of the current vehicle according to the time data of the current vehicle driving through each pressure test point and the position data of the pressure test points.
In one embodiment, the ceramic pressure sensor is installed on the road section, the pressure test points refer to the position points where the ceramic pressure sensor is installed, when the vehicle runs over the pressure test points where the ceramic pressure sensor is installed, the sensor feeds back pressure data and time data to the server, the server can locate the current vehicle based on the pressure data of the pressure test points, determine the time when the current vehicle runs over different pressure test points, and then determine driving data according to the positions of the pressure test points and the time when the current vehicle runs over the pressure test points.
In one embodiment, S210 specifically includes:
acquiring road pressure sensing data, and taking the data that the pressure difference of each pressure test point is smaller than a preset threshold value as the pressure data of the current vehicle driving through each pressure test point;
and taking the time data corresponding to the pressure data when the current vehicle passes through each pressure test point as the time data when the current vehicle passes through each pressure test point.
Specifically, the pressure data includes specific data of the automobile passing through the pressure test points, and the data that the pressure difference between the pressure test points is smaller than the preset threshold value can be used as the pressure data of the current automobile passing through the pressure test points. Because the same vehicle has the same weight, when the vehicle passes through the pressure sensor, the pressure value caused by the pressure sensor is kept within a certain range, the data of which the pressure difference is smaller than the preset threshold value can be used as the pressure data of the current vehicle passing through each pressure test point, and the time data corresponding to the pressure data can be used as the time data of the current vehicle passing through each pressure test point. The driving data of each vehicle on the road section can be easily acquired through the pressure sensing system. The time data for the same vehicle at each pressure test point may be determined based on the pressure data for each pressure test point.
In one embodiment, the position data of the pressure test points includes relative positions of the pressure test points and relative distances of the pressure test points, and S230 includes:
determining the driving speed of the current vehicle according to the time data of the current vehicle driving through each pressure test point and the relative distance of the current vehicle driving through each pressure test point;
determining the driving direction of the current vehicle according to the time data of the current vehicle driving through each pressure test point and the relative position of each pressure test point;
and determining the driving position of the current vehicle according to the driving speed and the driving direction of the current vehicle.
The driving speed of the current vehicle is estimated according to time data of the current vehicle driving through each pressure test point and relative distances among the pressure test points, specifically, the speed data of a plurality of current vehicles can be obtained by integrating the relative distances among a plurality of pressure test points and the time data, and the driving speed of the current vehicle is estimated based on the speed data of the current vehicles. And then determining the driving direction of the current vehicle based on the time sequence data of the current vehicle driving through each pressure test point, and estimating the position of the current vehicle based on the position data of the last pressure point, the driving speed and the driving direction of the current vehicle. Various driving data can be accurately obtained through the sensing data, and the method is accurate and rapid.
In one embodiment, S600 further includes, before:
determining the safe distance of the current vehicle according to the pressure data of the current vehicle and the running speed of the current vehicle;
and taking the safe distance of the vehicle running behind as a preset safe distance.
The braking distance of the vehicle is related to the weight of the vehicle, specific road conditions and the current speed, the weight of the vehicle can be estimated based on the pressure data of the vehicle, the maximum braking distance of the current vehicle is determined based on the pressure data and the driving speed of the current vehicle, the maximum braking distance is used as the safety distance of the current vehicle, and the maximum braking distance of the vehicle which runs between the front vehicle and the rear vehicle is used as the preset safety distance. Through various data, the safe distance of the related vehicle can be estimated, and the road safety is guaranteed.
In one embodiment, a vehicle speed control method of the present application includes: acquiring road pressure sensing data, determining time data of the current vehicle passing through each pressure test point according to the pressure data of each pressure test point, and taking the data of which the pressure difference of each pressure test point is smaller than a preset threshold value as the pressure data of the current vehicle passing through each pressure test point; and taking the time data corresponding to the pressure data when the current vehicle passes through each pressure test point as the time data when the current vehicle passes through each pressure test point. Determining the driving speed of the current vehicle according to the time data of the current vehicle driving through each pressure test point and the relative distance of the current vehicle driving through each pressure test point; determining the driving direction of the current vehicle according to the time data of the current vehicle driving through each pressure test point and the relative position of each pressure test point; and determining the driving position of the current vehicle according to the driving speed and the driving direction of the current vehicle. And when the driving speed of the current vehicle is greater than the preset safe driving speed, sending a deceleration instruction to the overspeed vehicle. According to the driving position and the driving direction, a vehicle running in front and a vehicle running behind in two adjacent vehicles in the same driving direction at the current moment are determined, and the relative distance between the vehicle running in front and the vehicle running behind is obtained. Determining the safe distance of the current vehicle according to the pressure data of the current vehicle and the running speed of the current vehicle; and taking the safe distance of the vehicle running behind as a preset safe distance. And when the relative distance between the vehicle running in front and the vehicle running behind is less than the preset safe distance, sending an acceleration command to the vehicle running in front and sending a deceleration command to the vehicle running behind.
It should be understood that although the various steps in the flow charts of fig. 2-4 are shown in order as indicated by the arrows, the steps are not necessarily performed in order as indicated by the arrows. The steps are not performed in the exact order shown and described, and may be performed in other orders, unless explicitly stated otherwise. Moreover, at least some of the steps in fig. 2-4 may include multiple sub-steps or multiple stages that are not necessarily performed at the same time, but may be performed at different times, and the order of performance of the sub-steps or stages is not necessarily sequential, but may be performed in turn or alternating with other steps or at least some of the sub-steps or stages of other steps.
As shown in fig. 5, a vehicle speed control device includes:
the driving data acquisition module 200 is configured to acquire road pressure sensing data on a road segment, and determine driving data of each vehicle on the road segment according to the road pressure sensing data, where the driving data includes a driving position and a driving direction;
a relative distance determining module 400, configured to determine a preceding vehicle and a following vehicle, which are in two adjacent vehicles in the same driving direction at the current time, according to the driving position and the driving direction, and obtain a relative distance between the preceding vehicle and the following vehicle;
the vehicle speed control module 600 is configured to send an acceleration instruction to the vehicle running ahead and send a deceleration instruction to the vehicle running behind when a relative distance between the vehicle running ahead and the vehicle running behind is smaller than a preset safe distance. .
In one embodiment, the driving data further comprises driving speed, and the device further comprises a speed judgment module for sending a deceleration instruction to an overspeed vehicle when the driving speed of the vehicle is greater than a preset safe driving speed.
In one embodiment, the road pressure sensing data includes pressure data of each pressure test point in the road segment and time data corresponding to the pressure data, and the driving data obtaining module 200 specifically includes:
the sensing data acquisition unit is used for acquiring road pressure sensing data and determining the time data of the current vehicle passing through each pressure test point according to the pressure data of each pressure test point;
and the driving data calculation unit is used for determining the driving data of the current vehicle according to the time data of the current vehicle passing through each pressure test point and the position data of the pressure test points.
In one embodiment, the road pressure sensing data includes pressure data of each pressure test point in a road section and time data corresponding to the pressure data, and the sensing data acquisition unit is specifically configured to use data, of which the pressure difference between the pressure test points is smaller than a preset threshold value, as the pressure data of the current vehicle passing through each pressure test point; and taking the time data corresponding to the pressure data when the current vehicle passes through each pressure test point as the time data when the current vehicle passes through each pressure test point.
In one embodiment, the position data of the pressure test points comprises the relative positions of the pressure test points and the relative distances of the pressure test points, and the driving data calculation unit is specifically used for determining the driving speed of the current vehicle according to the time data of the current vehicle driving through each pressure test point and the relative distances of each pressure test point; determining the driving direction of the current vehicle according to the time data of the current vehicle driving through each pressure test point and the relative position of each pressure test point; and determining the driving position of the current vehicle according to the driving speed and the driving direction of the current vehicle.
In one embodiment, the system further comprises a safe distance calculation module, which is used for determining the safe distance of the current vehicle according to the pressure data of the current vehicle and the running speed of the current vehicle; and taking the safe distance of the vehicle running behind as a preset safe distance.
For specific limitations of the vehicle speed control device, reference may be made to the above limitations of the vehicle speed control method, which are not described herein again. The various modules in the vehicle speed control system can be realized in whole or in part by software, hardware and a combination thereof. The modules can be embedded in a hardware form or independent from a processor in the computer device, and can also be stored in a memory in the computer device in a software form, so that the processor can call and execute operations corresponding to the modules.
In one embodiment, a computer device is provided, which may be a server, and its internal structure diagram may be as shown in fig. 6. The computer device includes a processor, a memory, a network interface, and a database connected by a system bus. Wherein the processor of the computer device is configured to provide computing and control capabilities. The memory of the computer device comprises a nonvolatile storage medium and an internal memory. The non-volatile storage medium stores an operating system and a computer program. The internal memory provides an environment for the operation of an operating system and computer programs in the non-volatile storage medium. The network interface of the computer device is used for communicating with an external terminal through a network connection. The database of the computer device is used for storing the specific number of the preset road section, and the computer program is executed by the processor to realize a vehicle speed control method.
Those skilled in the art will appreciate that the architecture shown in fig. 6 is merely a block diagram of some of the structures associated with the disclosed aspects and is not intended to limit the computing devices to which the disclosed aspects apply, as particular computing devices may include more or less components than those shown, or may combine certain components, or have a different arrangement of components.
In one embodiment, a computer device is provided, comprising a memory and a processor, the memory having a computer program stored therein, the processor implementing the following steps when executing the computer program:
acquiring road pressure sensing data on a road section, and determining driving data of each vehicle on the road section according to the road pressure sensing data, wherein the driving data comprises driving positions and driving directions;
determining a vehicle running ahead and a vehicle running behind in two adjacent vehicles in the same running direction at the current moment according to the running position and the running direction, and acquiring the relative distance between the vehicle running ahead and the vehicle running behind;
and when the relative distance between the vehicle running in front and the vehicle running behind is less than the preset safe distance, sending an acceleration command to the vehicle running in front and sending a deceleration command to the vehicle running behind.
In one embodiment, the processor, when executing the computer program, further performs the steps of: and when the running speed of the vehicle is greater than the preset safe running speed, sending a deceleration instruction to the overspeed vehicle.
In one embodiment, the processor, when executing the computer program, further performs the steps of: acquiring road pressure sensing data, and determining time data of the current vehicle passing through each pressure test point according to the pressure data of each pressure test point; and acquiring the position data of each pressure test point, and determining the driving data of the current vehicle according to the time data of the current vehicle driving through each pressure test point and the position data of the pressure test points.
In one embodiment, the processor, when executing the computer program, further performs the steps of: acquiring road pressure sensing data, and determining time data of the current vehicle passing through each pressure test point according to the pressure data of each pressure test point; and taking the time data corresponding to the pressure data when the current vehicle passes through each pressure test point as the time data when the current vehicle passes through each pressure test point.
In one embodiment, the processor, when executing the computer program, further performs the steps of: determining the driving speed of the current vehicle according to the time data of the current vehicle driving through each pressure test point and the relative distance of the current vehicle driving through each pressure test point; determining the driving direction of the current vehicle according to the time data of the current vehicle driving through each pressure test point and the relative position of each pressure test point; and determining the driving position of the current vehicle according to the driving speed and the driving direction of the current vehicle.
In one embodiment, the processor, when executing the computer program, further performs the steps of: determining the safe distance of the current vehicle according to the pressure data of the current vehicle and the running speed of the current vehicle; and taking the safe distance of the vehicle running behind as a preset safe distance.
In one embodiment, a computer-readable storage medium is provided, having a computer program stored thereon, which when executed by a processor, performs the steps of:
acquiring road pressure sensing data on a road section, and determining driving data of each vehicle on the road section according to the road pressure sensing data, wherein the driving data comprises driving positions and driving directions;
determining a vehicle running ahead and a vehicle running behind in two adjacent vehicles in the same running direction at the current moment according to the running position and the running direction, and acquiring the relative distance between the vehicle running ahead and the vehicle running behind;
and when the relative distance between the vehicle running in front and the vehicle running behind is less than the preset safe distance, sending an acceleration command to the vehicle running in front and sending a deceleration command to the vehicle running behind.
In one embodiment, the computer program when executed by the processor further performs the steps of: and when the running speed of the vehicle is greater than the preset safe running speed, sending a deceleration instruction to the overspeed vehicle.
In one embodiment, the computer program when executed by the processor further performs the steps of: acquiring road pressure sensing data, and determining time data of the current vehicle passing through each pressure test point according to the pressure data of each pressure test point; and acquiring the position data of each pressure test point, and determining the driving data of the current vehicle according to the time data of the current vehicle driving through each pressure test point and the position data of the pressure test points.
In one embodiment, the computer program when executed by the processor further performs the steps of: acquiring road pressure sensing data, and determining time data of the current vehicle passing through each pressure test point according to the pressure data of each pressure test point; and taking the time data corresponding to the pressure data when the current vehicle passes through each pressure test point as the time data when the current vehicle passes through each pressure test point.
In one embodiment, the computer program when executed by the processor further performs the steps of: determining the driving speed of the current vehicle according to the time data of the current vehicle driving through each pressure test point and the relative distance of the current vehicle driving through each pressure test point; determining the driving direction of the current vehicle according to the time data of the current vehicle driving through each pressure test point and the relative position of each pressure test point; and determining the driving position of the current vehicle according to the driving speed and the driving direction of the current vehicle.
In one embodiment, the computer program when executed by the processor further performs the steps of: determining the safe distance of the current vehicle according to the pressure data of the current vehicle and the running speed of the current vehicle; and taking the safe distance of the vehicle running behind as a preset safe distance.
It will be understood by those skilled in the art that all or part of the processes of the methods of the embodiments described above can be implemented by hardware related to instructions of a computer program, which can be stored in a non-volatile computer-readable storage medium, and when executed, can include the processes of the embodiments of the methods described above. Any reference to memory, storage, database, or other medium used in the embodiments provided herein may include non-volatile and/or volatile memory, among others. Non-volatile memory can include read-only memory (ROM), Programmable ROM (PROM), Electrically Programmable ROM (EPROM), Electrically Erasable Programmable ROM (EEPROM), or flash memory. Volatile memory can include Random Access Memory (RAM) or external cache memory. By way of illustration and not limitation, RAM is available in a variety of forms such as Static RAM (SRAM), Dynamic RAM (DRAM), Synchronous DRAM (SDRAM), Double Data Rate SDRAM (DDRSDRAM), Enhanced SDRAM (ESDRAM), Synchronous Link DRAM (SLDRAM), Rambus Direct RAM (RDRAM), direct bus dynamic RAM (DRDRAM), and memory bus dynamic RAM (RDRAM).
The technical features of the above embodiments can be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the above embodiments are not described, but should be considered as the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
The above examples only express several embodiments of the present application, and the description thereof is more specific and detailed, but not construed as limiting the scope of the invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the concept of the present application, which falls within the scope of protection of the present application. Therefore, the protection scope of the present patent shall be subject to the appended claims.
Claims (10)
1. A vehicle speed control method, the method comprising:
acquiring road pressure sensing data on a road section, and determining driving data of each vehicle on the road section according to the road pressure sensing data, wherein the driving data comprises driving positions and driving directions;
determining a vehicle running ahead and a vehicle running behind in two adjacent vehicles in the same running direction at the current moment according to the running position and the running direction, and acquiring the relative distance between the vehicle running ahead and the vehicle running behind;
and when the relative distance between the vehicle running in front and the vehicle running behind is smaller than a preset safe distance, sending an acceleration instruction to the vehicle running in front, and sending a deceleration instruction to the vehicle running behind.
2. The method according to claim 1, wherein the driving data further comprises driving speed, and the obtaining of the driving data of each vehicle on the road section further comprises:
and when the running speed of the vehicle is greater than the preset safe running speed, sending a deceleration instruction to the overspeed vehicle.
3. The method according to claim 2, wherein the road pressure sensing data includes pressure data of each pressure test point in the road segment and time data corresponding to the pressure data, the obtaining of the road pressure sensing data on the road segment, and the determining of the driving data of each vehicle on the road segment according to the road pressure sensing data specifically includes:
acquiring road pressure sensing data, and determining time data of the current vehicle passing through each pressure test point according to the pressure data of each pressure test point;
and acquiring the position data of each pressure test point, and determining the driving data of the current vehicle according to the time data of the current vehicle driving through each pressure test point and the position data of the pressure test points.
4. The method according to claim 3, wherein the determining time data when the current vehicle passes through each pressure test point according to the pressure data of each pressure test point specifically comprises:
acquiring road pressure sensing data, and determining time data of the current vehicle passing through each pressure test point according to the pressure data of each pressure test point;
and taking the time data corresponding to the pressure data when the current vehicle passes through each pressure test point as the time data when the current vehicle passes through each pressure test point.
5. The method of claim 3, wherein the position data of the pressure test points comprises relative positions of the pressure test points and relative distances between the pressure test points, and the determining the driving data of the current vehicle according to the time data of the current vehicle driving through each pressure test point and the position data of the pressure test points comprises:
determining the driving speed of the current vehicle according to the time data of the current vehicle driving through each pressure test point and the relative distance of the current vehicle driving through each pressure test point;
determining the driving direction of the current vehicle according to the time data of the current vehicle driving through each pressure test point and the relative position of each pressure test point;
and determining the driving position of the current vehicle according to the driving speed and the driving direction of the current vehicle.
6. The method of claim 5, wherein sending an acceleration command to the preceding vehicle and a deceleration command to the following vehicle when the relative distance between the preceding vehicle and the following vehicle is less than a preset safe distance further comprises:
determining the safe distance of the current vehicle according to the pressure data of the current vehicle and the running speed of the current vehicle;
and taking the safe distance of the vehicle running behind as a preset safe distance.
7. A vehicle speed control apparatus, characterized by comprising:
the driving data acquisition module is used for acquiring road pressure sensing data on a road section and determining driving data of each vehicle on the road section according to the road pressure sensing data, wherein the driving data comprises a driving position and a driving direction;
the relative distance determining module is used for determining a vehicle running ahead and a vehicle running behind in two adjacent workshops in the same running direction at the current moment according to the running position and the running direction, and acquiring the relative distance between the vehicle running ahead and the vehicle running behind;
and the vehicle speed control module is used for sending an acceleration instruction to the vehicle running ahead and sending a deceleration instruction to the vehicle running behind when the relative distance between the vehicle running ahead and the vehicle running behind is smaller than a preset safe distance.
8. The apparatus according to claim 7, wherein the road pressure sensing data includes pressure data of each pressure test point in a road segment and time data corresponding to the pressure data, and the driving data obtaining module is specifically configured to:
the sensing data acquisition unit is used for acquiring road pressure sensing data and determining the time data of the current vehicle when the vehicle passes through each pressure test point according to the pressure data of each pressure test point;
and the driving data calculation unit is used for acquiring the position data of each pressure test point and determining the driving data of the current vehicle according to the time data of the current vehicle when the vehicle passes through each pressure test point and the position data of the pressure test points.
9. A computer device comprising a memory and a processor, the memory storing a computer program, wherein the processor implements the steps of the method of any one of claims 1 to 6 when executing the computer program.
10. A computer-readable storage medium, on which a computer program is stored, which, when being executed by a processor, carries out the steps of the method of any one of claims 1 to 6.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811612355.0A CN111376900B (en) | 2018-12-27 | 2018-12-27 | Vehicle speed control method, vehicle speed control device, computer equipment and storage medium |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811612355.0A CN111376900B (en) | 2018-12-27 | 2018-12-27 | Vehicle speed control method, vehicle speed control device, computer equipment and storage medium |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111376900A true CN111376900A (en) | 2020-07-07 |
| CN111376900B CN111376900B (en) | 2021-08-17 |
Family
ID=71214501
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811612355.0A Active CN111376900B (en) | 2018-12-27 | 2018-12-27 | Vehicle speed control method, vehicle speed control device, computer equipment and storage medium |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111376900B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112581772A (en) * | 2020-11-24 | 2021-03-30 | 淮阴工学院 | System and method convenient for positioning overspeed vehicle |
Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB653900A (en) * | 1948-10-21 | 1951-05-30 | Automatic Telephone & Elect | Improvements in or relating to vehicle detectors |
| CN201196839Y (en) * | 2008-05-15 | 2009-02-18 | 中国计量科学研究院 | Detection apparatus of passive ground sensing coil velocity measurement system |
| CN102622516A (en) * | 2012-02-22 | 2012-08-01 | 天津港(集团)有限公司 | Microcosmic traffic flow simulation method for road safety evaluation |
| CN103914987A (en) * | 2012-12-31 | 2014-07-09 | 中国移动通信集团公司 | Embedded road sensor system |
| CN204199204U (en) * | 2014-11-11 | 2015-03-11 | 大连理工大学 | A kind of traffic detection sensor |
| CN104700624A (en) * | 2015-03-16 | 2015-06-10 | 电子科技大学 | Traffic flow online monitoring system and method based on phase-sensitive optical time domain reflectometer |
| CN205080748U (en) * | 2015-11-12 | 2016-03-09 | 河南科技学院 | Road traffic state monitoring system based on zigBee |
| CN105938660A (en) * | 2016-06-07 | 2016-09-14 | 长安大学 | Automobile rear-end collision prevention early warning method and system |
| CN107895478A (en) * | 2017-10-13 | 2018-04-10 | 浙江大学 | A kind of road surface traffic monitoring method |
| CN108482368A (en) * | 2018-03-28 | 2018-09-04 | 成都博士信智能科技发展有限公司 | Automatic driving vehicle anticollision control method based on sand table and device |
| CN108801336A (en) * | 2018-05-04 | 2018-11-13 | 东南大学 | A kind of method of piezoelectric-array monitoring vehicle speed and load-carrying |
-
2018
- 2018-12-27 CN CN201811612355.0A patent/CN111376900B/en active Active
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB653900A (en) * | 1948-10-21 | 1951-05-30 | Automatic Telephone & Elect | Improvements in or relating to vehicle detectors |
| CN201196839Y (en) * | 2008-05-15 | 2009-02-18 | 中国计量科学研究院 | Detection apparatus of passive ground sensing coil velocity measurement system |
| CN102622516A (en) * | 2012-02-22 | 2012-08-01 | 天津港(集团)有限公司 | Microcosmic traffic flow simulation method for road safety evaluation |
| CN103914987A (en) * | 2012-12-31 | 2014-07-09 | 中国移动通信集团公司 | Embedded road sensor system |
| CN204199204U (en) * | 2014-11-11 | 2015-03-11 | 大连理工大学 | A kind of traffic detection sensor |
| CN104700624A (en) * | 2015-03-16 | 2015-06-10 | 电子科技大学 | Traffic flow online monitoring system and method based on phase-sensitive optical time domain reflectometer |
| CN205080748U (en) * | 2015-11-12 | 2016-03-09 | 河南科技学院 | Road traffic state monitoring system based on zigBee |
| CN105938660A (en) * | 2016-06-07 | 2016-09-14 | 长安大学 | Automobile rear-end collision prevention early warning method and system |
| CN107895478A (en) * | 2017-10-13 | 2018-04-10 | 浙江大学 | A kind of road surface traffic monitoring method |
| CN108482368A (en) * | 2018-03-28 | 2018-09-04 | 成都博士信智能科技发展有限公司 | Automatic driving vehicle anticollision control method based on sand table and device |
| CN108801336A (en) * | 2018-05-04 | 2018-11-13 | 东南大学 | A kind of method of piezoelectric-array monitoring vehicle speed and load-carrying |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112581772A (en) * | 2020-11-24 | 2021-03-30 | 淮阴工学院 | System and method convenient for positioning overspeed vehicle |
Also Published As
| Publication number | Publication date |
|---|---|
| CN111376900B (en) | 2021-08-17 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US10614639B2 (en) | In-vehicle control device and in-vehicle recording system | |
| CN106603620B (en) | Vehicle-mounted recording system and on-vehicle control apparatus | |
| KR101870028B1 (en) | On-board recording system | |
| CN110816545B (en) | Vehicle speed control method and device, vehicle and storage medium | |
| US11238731B2 (en) | Method and device for detecting the passage of a motor vehicle through a road sign gantry | |
| CN111376900B (en) | Vehicle speed control method, vehicle speed control device, computer equipment and storage medium | |
| CN111311921A (en) | Method, device, computer equipment and storage medium for road overweight warning | |
| CN112406856B (en) | Vehicle braking method, device, computer equipment and storage medium | |
| CN105480225B (en) | Vehicle post-impact forward motion mitigation | |
| CN111257005B (en) | Method, device, apparatus and storage medium for testing autonomous vehicle | |
| CN109987103B (en) | Driving assistance method, device, storage medium, system and vehicle | |
| CN113849971B (en) | Driving system evaluation method and device, computer equipment and storage medium | |
| US10703366B2 (en) | Inhibiting highway assist mode | |
| CN109278747B (en) | Vehicle monitoring system and method | |
| CN109334660A (en) | A kind of automatic emergency brake system and lightweight appraisal procedure | |
| CN112389455A (en) | Method and system for protecting safe operation of automatic driving vehicle | |
| CN112233412B (en) | Jamming detection method and device, computer equipment and storage medium | |
| CN113895440B (en) | Automatic highway lane changing method and device, electronic equipment and storage medium | |
| CN112141099A (en) | Vehicle control method, vehicle control device, computer equipment and storage medium | |
| CN111192479B (en) | Message pushing method and device, computer equipment and storage medium | |
| CN110654183B (en) | Tire pressure prediction method, tire pressure prediction device, computer equipment and storage medium | |
| US20200114761A1 (en) | Tunnel accident detection | |
| CN112530190A (en) | Auxiliary device, corresponding method and medium, and vehicle | |
| CN111746534A (en) | Vehicle driving assistance system, vehicle including the same, and corresponding method and medium | |
| EP3324381A1 (en) | In-vehicle system and operation method thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |