CN111348047A - Road pavement condition analysis method and device and storage medium - Google Patents
Road pavement condition analysis method and device and storage medium Download PDFInfo
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- CN111348047A CN111348047A CN202010242956.8A CN202010242956A CN111348047A CN 111348047 A CN111348047 A CN 111348047A CN 202010242956 A CN202010242956 A CN 202010242956A CN 111348047 A CN111348047 A CN 111348047A
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- 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
- B60W40/00—Estimation or calculation of non-directly measurable driving parameters for road vehicle drive control systems not related to the control of a particular sub unit, e.g. by using mathematical models
- B60W40/02—Estimation or calculation of non-directly measurable driving parameters for road vehicle drive control systems not related to the control of a particular sub unit, e.g. by using mathematical models related to ambient conditions
- B60W40/06—Road conditions
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- 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
- B60W40/00—Estimation or calculation of non-directly measurable driving parameters for road vehicle drive control systems not related to the control of a particular sub unit, e.g. by using mathematical models
- B60W40/10—Estimation or calculation of non-directly measurable driving parameters for road vehicle drive control systems not related to the control of a particular sub unit, e.g. by using mathematical models related to vehicle motion
- B60W40/105—Speed
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
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Abstract
The invention discloses a road pavement condition analysis method, which comprises the following steps: selecting preset driving mileage of the automobile, and calculating the average value of angular speeds in the three-axis direction during the driving of the automobile; acquiring angular speeds in three axis directions and recording positions of automobiles of the same type in driving; comparing the acquired angular speed with the average value, and if the result is that the road surface condition is bad, sending a cloud server; and the cloud server broadcasts the position of the road section with the bad road surface condition. Also disclosed is a device for implementing the above method; also disclosed is a storage medium storing a program for implementing the above method. The method, the device and the storage medium provided by the invention realize the sharing of the road condition information; the automobile collects and sends road condition information and receives the road condition information at the same time; the vehicle owner can know the road condition in front in advance, and can deal with the road with poor road condition in advance, so that the loss of the vehicle is reduced, and the driving experience of the vehicle owner is improved; meanwhile, the traffic quality and the safety of the road are improved.
Description
Technical Field
The invention relates to the field of automobile driving assisting methods and devices, in particular to a road pavement condition analysis method and device and a computer readable storage medium.
Background
With the rapid development of the automobile industry, the internet of vehicles has become popular. The vehicle networking mainly means that vehicle-mounted equipment on a vehicle effectively utilizes all vehicle dynamic information in an information network platform through a wireless communication technology and provides different functional services in vehicle operation. The car networking has the following characteristics: the Internet of vehicles can provide guarantee for the distance between the vehicles, and the probability of collision accidents of the vehicles is reduced; the Internet of vehicles can help the vehicle owner to navigate in real time, and the efficiency of traffic operation is improved through communication with other vehicles and a network system.
Meanwhile, the function of the automobile for assisting driving is gradually improved; the monitoring of the vehicle itself by the automobile is more and more perfect, including the feedback of the road condition to the vehicle. However, the technology for detecting and sharing the road surface condition has not been developed with the popularization of the internet of vehicles and the improvement of the driving assistance function of the vehicle. At present, road condition information can be known only through reflection of groups to relevant departments and experience of vehicle owners only on road surfaces with bad conditions (such as potholes, damages, cracks and the like on the road surfaces), the vehicle owners can increase vehicle loss through the road surfaces with the bad conditions under the unknown condition, the accident probability is increased, and the traffic quality is low.
Disclosure of Invention
In order to overcome the defects in the prior art, the invention provides a road pavement condition analysis method, a road pavement condition analysis device and a computer-readable storage medium; so as to achieve the effects of detecting the road conditions and sharing the detection results by the vehicle.
In order to achieve the technical effect, the invention provides a road surface condition analysis method, which comprises the following steps:
s1: selecting a preset driving mileage of an automobile of a preset automobile type and calculating angular speeds of the automobile in the directions of an X axis, a Y axis and a Z axis in the driving process and the current speed; calculating the average value of the angular speed, and recording the average value as a reference value by combining the vehicle type;
s2: collecting angular velocities in X-axis, Y-axis and Z-axis directions of the automobile of the same type as the automobile in the step S1 in the driving process, and recording the angular velocities in combination with the automobile type as an actual value; simultaneously recording the current speed and position of the automobile;
s3: comparing the actual value with the reference value; if the comparison result is that the road surface condition is not good, executing S4; otherwise, no operation is carried out;
s4: sending the comparison result of the actual value and the reference value, the recorded position and the vehicle type to a cloud server;
s5: and the cloud server broadcasts the received comparison result and the recorded position.
As an improvement of the above-described road surface condition analysis method of the present invention, the method further includes, in step S1:
the X-axis direction is the speed direction when the automobile runs straight; the Y-axis direction is perpendicular to the X-axis direction, and the plane where the X-axis direction and the Y-axis direction are located is parallel to the ground of the automobile; the Z-axis direction is perpendicular to the X-axis direction and the Y-axis direction.
As an improvement of the above-mentioned road surface condition analysis method of the present invention, the method further comprises that the average value of the angular velocities in the X-axis, Y-axis and Z-axis directions is that the angular velocities and the vehicle speed in the X-axis, Y-axis and Z-axis directions are collected once every preset time in the running process of the vehicle; and finally, calculating the average value of the angular speed in the X-axis direction in a preset vehicle speed interval, the average value of the angular speed in the Y-axis direction in the preset vehicle speed interval and the average value of the angular speed in the Z-axis direction in the preset vehicle speed interval.
As an improvement of the above-described road surface condition analysis method of the present invention, the method further includes, in step S2:
the method comprises the steps that the angular speed and the speed of an automobile in the X-axis direction, the Y-axis direction and the Z-axis direction are collected once every preset time in the driving process of the automobile with the same type.
As an improvement of the above-described road surface condition analysis method of the present invention, the method further includes, in step S3: comparing the actual value to the reference value comprises: determining a vehicle speed interval according to the vehicle speed of the vehicle with the same vehicle type, and taking the absolute value of the difference between the actual value and the reference value of the vehicle speed interval; if the ratio of the absolute value to the reference value is greater than a preset value, determining that the road surface condition is poor; otherwise, no operation is performed.
As an improvement of the above-described road surface condition analysis method of the present invention, the method further includes, in step S4: and the automobile of the same automobile type sends the comparison result of the actual value and the reference value and the recorded position to a cloud server through a communication network.
As an improvement of the above-described road surface condition analysis method of the present invention, the method further includes, in step S5: the cloud server broadcasting the received comparison result and the recorded position includes: sending the position information of the bad road surface condition to a road maintenance mechanism through a communication network; and broadcasting to the subsequent automobile passing the recording position at preset time intervals.
In order to achieve the above technical effects, the present invention also provides a road surface condition analysis device, comprising a processor, a memory, and a computer program stored in the memory and configured to be executed by the processor; the road surface condition analysis method further comprises a gyroscope, and the processor realizes the road surface condition analysis method when executing the computer program.
In order to achieve the above technical effect, the present invention further provides a computer-readable storage medium, where the computer-readable storage medium includes a stored computer program, and when the computer program runs, the apparatus on which the computer-readable storage medium is located is controlled to execute the above road surface condition analysis method.
The road pavement condition analysis method, the device and the computer readable storage medium provided by the invention realize the sharing of the road condition information; the automobile collects and sends road condition information and receives the road condition information at the same time; the vehicle owner can know the road condition in front in advance, and can deal with the road with poor road condition in advance, so that the loss of the vehicle is reduced, and the driving experience of the vehicle owner is improved; meanwhile, the traffic quality and the safety of the road are improved.
The features and advantages of the present invention will become more apparent upon reading the detailed description of the embodiments of the invention in conjunction with the accompanying drawings.
Drawings
Fig. 1 is a schematic flow chart of a road surface condition analysis method provided in an embodiment of the present invention.
Fig. 2 is a schematic diagram of directions of an X axis, a Y axis, and a Z axis in the road surface condition analysis method provided by the embodiment of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The embodiment of the invention provides a road pavement condition analysis method and a device for implementing the method; fig. 1 is a flowchart of a road surface condition analysis method provided in an embodiment of the present invention, which specifically includes steps S1 to S5:
s1: selecting a preset driving mileage of an automobile of a preset automobile type, calculating an average value of angular speeds of the automobile in the X-axis direction, the Y-axis direction and the Z-axis direction in the driving process, and recording the average value as a reference value; specifically, the preset vehicle type of the embodiment is a compact car, and the preset driving mileage is 10 kilometers. Specifically, the directions of the X axis, the Y axis and the Z axis are shown in fig. 2, and the direction of the X axis is the speed direction when the automobile moves straight; the Y-axis direction is vertical to the X-axis direction, and the plane where the X-axis direction and the Y-axis direction are located is parallel to the ground plate of the automobile; the Z-axis direction is perpendicular to the X-axis direction and the Y-axis direction.
In this embodiment, the reference value is collected by collecting angular velocities in the X-axis, Y-axis and Z-axis directions every 2 seconds during the driving of the vehicle, and recording the angular velocities in a vehicle speed interval table, where each row of the vehicle speed interval table represents a vehicle speed interval, a first row is 0 to 10km/h (i.e. 0< v ≦ 10km/h), a second row is 10 to 20km/h, and so on until the last row is 110 to 120 km/h. And finally, after the driving mileage reaches 10 kilometers, respectively averaging the angular speeds in the X-axis direction, the Y-axis direction and the Z-axis direction in each vehicle speed interval to obtain a reference value.
S2: the automobile provided with the device provided by the embodiment of the invention collects the angular speeds in the directions of an X axis, a Y axis and a Z axis in the driving process and records the angular speeds as actual values; simultaneously recording the current speed and position of the automobile; specifically, the angular velocities in the X-axis, Y-axis, and Z-axis directions are preset to be collected every 2 s.
S3: comparing the actual value with a reference value; if the comparison result is that the road surface condition is not good, executing S4; otherwise, no operation is carried out; specifically, comparing the actual value with the reference value includes: taking an absolute value of the difference between a reference value and an actual value in a vehicle speed interval corresponding to the current speed; if the ratio of the absolute value to the reference value is more than 20%, determining that the road surface condition is poor; otherwise, no operation is performed.
S4: sending the comparison result of the actual value and the reference value and the recorded position to a cloud server; specifically, the automobile sends the comparison result of the actual value and the reference value and the recorded position to the cloud server through the mobile network.
S5: and broadcasting the received comparison result and the recorded position by the cloud server. Specifically, the step of broadcasting the received comparison result and the recorded position by the cloud server includes: sending the position information of the bad road surface condition to a road maintenance mechanism through a communication network; and broadcasting to the subsequent automobiles passing through the recording position every 30min, and if the received automobile type is consistent with the automobile type of the uploaded information, storing the reference value.
A road surface condition analysis device of an embodiment of the present invention includes a processor, a memory, and a computer program stored in the memory and configured to be executed by the processor; the road surface condition analysis method further comprises a gyroscope, and the processor realizes the road surface condition analysis method when executing the computer program.
Illustratively, the computer program may be divided into one or more modules/units, which are stored in the memory and executed by the processor to implement the present invention. The one or more modules/units may be a series of computer program instruction segments capable of performing specific functions, which are used to describe the execution process of the computer program in the road surface condition analysis device.
The road surface condition analysis device can be a computer, a notebook computer, a palm computer, a traveling computer, a cloud server and other computing equipment. The road surface condition analyzing device may include, but is not limited to, a processor and a memory. It will be understood by those skilled in the art that the above expression is merely an example of the road surface condition analyzing apparatus, and does not constitute a limitation to the road surface condition analyzing apparatus, and may include more or less components than the above expression, or combine some components, or different components, for example, the road surface condition analyzing apparatus may further include an input-output device, a network access device, a bus, and the like.
The Processor may be a Central Processing Unit (CPU), other general purpose Processor, a Digital Signal Processor (DSP), an Application Specific Integrated Circuit (ASIC), an off-the-shelf Programmable Gate ArraY (FPGA) or other Programmable logic device, discrete Gate or transistor logic device, discrete hardware component, or the like. The general-purpose processor may be a microprocessor, or the processor may be any conventional processor or the like, and the processor is a control center of the road surface condition analysis device, and various interfaces and lines are used to connect the respective parts of the entire road surface condition analysis device.
The memory may be configured to store the computer program and/or the module, and the processor may implement various functions of the road surface condition analysis device by operating or executing the computer program and/or the module stored in the memory and calling data stored in the memory. The memory may mainly include a program storage area and a data storage area, wherein the program storage area may store an operating system, an application program (such as a sound playing function, an image playing function, etc.) required by at least one function, and the like; the storage data area may store data (such as audio data, a phonebook, etc.) created according to the use of the cellular phone, and the like. In addition, the memory may include high speed random access memory, and may also include non-volatile memory, such as a hard disk, a memory, a plug-in hard disk, a Smart Media Card (SMC), a Secure Digital (SD) Card, a Flash memory Card (Flash Card), at least one magnetic disk storage device, a Flash memory device, or other volatile solid state storage device.
The computer-readable storage medium of the embodiment of the present invention includes a stored computer program, wherein when the computer program runs, the apparatus where the computer-readable storage medium is located is controlled to execute the road surface condition analysis method provided by the present invention.
The integrated module/unit of the road surface condition analysis device may be stored in a computer-readable storage medium if it is implemented in the form of a software functional unit and sold or used as an independent product. Based on such understanding, all or part of the flow of the method according to the embodiments of the present invention may also be implemented by a computer program, which may be stored in a computer-readable storage medium and can implement the steps of the embodiments of the method when the computer program is executed by a processor. The computer program includes computer program code, and the computer program code may be in a source code form, an object code form, an executable file or some intermediate form. The computer readable medium may include: any entity or device capable of carrying the above-mentioned computer program code, recording medium, usb disk, removable hard disk, magnetic disk, optical disk, computer MemorY, Read-only MemorY (ROM), Random Access MemorY (RAM), electrical carrier signal, telecommunication signal, software distribution medium, etc. It should be noted that the computer readable medium described above may include content that is subject to appropriate increase or decrease as required by legislation and patent practice in jurisdictions, for example, in some jurisdictions, computer readable media that does not include electrical carrier signals and telecommunications signals in accordance with legislation and patent practice.
It should be noted that the above-described embodiments of the apparatus are merely illustrative, where the units described as separate parts may or may not be physically separate, and the parts displayed as units may or may not be physical units, may be located in one place, or may be distributed on multiple network units. Some or all of the modules may be selected according to actual needs to achieve the purpose of the solution of the present embodiment. In addition, in the description of the embodiment of the apparatus provided by the present invention, the connection relationship between the modules indicates that there is a communication connection between them, and may be specifically implemented as one or more communication buses or signal lines. One of ordinary skill in the art can understand and implement the method without creative effort.
The road pavement condition analysis method, the device and the computer readable storage medium provided by the embodiment of the invention realize the sharing of the road condition information; the automobile collects and sends road condition information and receives the road condition information at the same time; the vehicle owner can know the road condition in front in advance, and can deal with the road with poor road condition in advance, so that the loss of the vehicle is reduced, and the driving experience of the vehicle owner is improved; meanwhile, the traffic quality and the safety of the road are improved.
While the foregoing is directed to the preferred embodiment of the present invention, it will be understood by those skilled in the art that various changes and modifications may be made without departing from the spirit and scope of the invention.
Claims (9)
1. A road surface condition analysis method is characterized by comprising the following steps:
s1: selecting a preset driving mileage of an automobile of a preset automobile type and calculating angular speeds of the automobile in the directions of an X axis, a Y axis and a Z axis in the driving process and the current speed; calculating the average value of the angular speed, and recording the average value as a reference value by combining the vehicle type;
s2: collecting angular velocities in X-axis, Y-axis and Z-axis directions of the automobile of the same type as the automobile in the step S1 in the driving process, and recording the angular velocities in combination with the automobile type as an actual value; simultaneously recording the current speed and position of the automobile;
s3: comparing the actual value with the reference value; if the comparison result is that the road surface condition is not good, executing S4; otherwise, no operation is carried out;
s4: sending the comparison result of the actual value and the reference value, the recorded position and the vehicle type to a cloud server;
s5: and the cloud server broadcasts the received comparison result and the recorded position.
2. A road surface condition analysis method according to claim 1, characterized in that in step S1:
the X-axis direction is the speed direction when the automobile runs straight; the Y-axis direction is vertical to the X-axis direction, and the planes of the X-axis direction and the Y-axis direction are parallel to the chassis of the automobile; the Z-axis direction is perpendicular to the X-axis direction and the Y-axis direction and the direction is upward.
3. A road surface condition analyzing method according to claim 1,
the average value of the angular speeds in the X-axis direction, the Y-axis direction and the Z-axis direction is that the angular speeds and the vehicle speed in the X-axis direction, the Y-axis direction and the Z-axis direction are collected once every preset time in the driving process of the automobile; and finally, calculating the average value of the angular speed in the X-axis direction in a preset vehicle speed interval, the average value of the angular speed in the Y-axis direction in the preset vehicle speed interval and the average value of the angular speed in the Z-axis direction in the preset vehicle speed interval.
4. A road surface condition analysis method according to claim 1, characterized in that in step S2:
the method comprises the steps that the angular speed and the speed of an automobile in the X-axis direction, the Y-axis direction and the Z-axis direction are collected once every preset time in the driving process of the automobile with the same type.
5. A road surface condition analysis method according to claim 1, characterized in that in step S3:
comparing the actual value to the reference value comprises: determining a vehicle speed interval according to the vehicle speed of the vehicle with the same vehicle type, and taking the absolute value of the difference between the actual value and the reference value of the vehicle speed interval; if the ratio of the absolute value to the reference value is greater than a preset value, determining that the road surface condition is poor; otherwise, no operation is performed.
6. A road surface condition analysis method according to claim 1, characterized in that in step S4:
and the automobiles of the same type send the comparison result of the actual value and the reference value, the selected type and the recorded position to a cloud server through a communication network.
7. A road surface condition analysis method according to claim 1, characterized in that in step S5:
the cloud server broadcasting the received comparison result and the recorded position includes: sending the position information of the bad road surface condition to a road maintenance mechanism through a communication network; and broadcasting to the subsequent automobile passing the recording position at preset time intervals.
8. A road surface condition analysis device comprising a processor, a memory and a computer program stored in the memory and configured to be executed by the processor; the method is characterized in that: further comprising a gyroscope, which processor, when executing the computer program, implements the road surface condition analysis method according to any one of claims 1 to 7.
9. A computer-readable storage medium, characterized in that the computer-readable storage medium comprises a stored computer program, wherein the computer program, when executed, controls an apparatus in which the computer-readable storage medium is located to perform the road surface condition analysis method according to any one of claims 1 to 7.
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| CN202010016046 | 2020-01-08 | ||
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