CN110530379A - It is a kind of that the method, apparatus and system of vehicle traveling information are provided - Google Patents
It is a kind of that the method, apparatus and system of vehicle traveling information are provided Download PDFInfo
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Abstract
The method, apparatus and system of vehicle traveling information are provided the present invention provides a kind of, this method comprises: setting time threshold and threshold speed；Receive the running data including position location and travel speed that an external vehicle is sent；Receive driving trace inquiry request externally input, for vehicle and a time interval；According to driving trace inquiry request, each running data that the receive, vehicle is sent in the time interval is searched；According to the travel speed in each running data found out, binding time threshold value is with the stoppage of vehicle information of the determining vehicle；According to the travel speed in each running data found out, the overspeed of vehicle information of the vehicle is determined in conjunction with threshold speed；According to the position location in each running data found out, vehicle driving trace is generated；Show stoppage of vehicle information, overspeed of vehicle information and vehicle driving trace.Therefore, this programme can know vehicle driving situation convenient for administrative staff.
Description
Technical Field
The invention relates to the technical field of computers, in particular to a method, a device and a system for providing vehicle running information.
Background
After the vehicle runs, the actual running track of the vehicle corresponds to the actual running track of the vehicle. Based on the actual running track of the vehicle, the manager can know the running condition of the vehicle, so that the running of the vehicle can be supervised and managed as required. Furthermore, the historical travel data of the vehicle can also be used for big data analysis and the like.
The existing vehicle running track related technology is mostly applied to a vehicle navigation application scene. For example, when the user is unfamiliar with the route and needs to arrive at a certain place, the position information of the starting place and the destination can be input into the application software, and the application software can feed back the corresponding driving route planning. Of course, the actual trajectory of the vehicle may not coincide with the travel route provided by the application software, based on the presence of the user's subjective factors.
Therefore, based on the existing vehicle traveling track related technology, a manager cannot generally know the vehicle traveling condition.
Disclosure of Invention
The invention provides a method, a device and a system for providing vehicle running information, which are convenient for managers to know the vehicle running condition.
In order to achieve the purpose, the invention is realized by the following technical scheme:
in a first aspect, the present invention provides a method of providing vehicle travel information, comprising:
setting a time threshold and a first speed threshold;
receiving running data sent by an external vehicle, wherein the running data comprises a positioning position and a running speed;
receiving an externally input traveling track query request aiming at the vehicle and a time interval;
searching each piece of received driving data sent by the vehicle within the time interval according to the driving track inquiry request;
according to the found running speed in each running data, determining the vehicle stopping information of the vehicle by combining the time threshold;
according to the found running speed in each running data, combining the first speed threshold value to determine vehicle overspeed information of the vehicle;
generating a vehicle driving track according to the found positioning position in each driving data;
and displaying the vehicle stop information, the vehicle overspeed information and the vehicle running track by using a display.
Further, the travel data further includes a time value;
the method further comprises the following steps: and sequentially arranging each piece of searched driving data according to the time value in the driving data and the time sequence.
Further, when the driving data sent by the vehicle is received, the method further comprises the following steps: writing a time value of the current time into the driving data;
the method further comprises the following steps: and sequentially arranging each piece of searched driving data according to the time value in the driving data and the time sequence.
Further, before the generating the vehicle driving track, the method further includes: setting an occupation ratio threshold range and storing a map;
in a corresponding manner, the first and second electrodes are,
the generating of the vehicle running track comprises the following steps:
aiming at each driving data arranged in sequence, according to the positioning position in the driving data, determining the positioning point in the map, which is consistent with the positioning position;
generating a vehicle running track with the map as a background by correspondingly and sequentially connecting and determining each positioning point based on the arrangement sequence of the running data by combining the road layout in the map;
in a corresponding manner, the first and second electrodes are,
the displaying the vehicle driving track comprises:
according to the size of a display screen, zooming the generated vehicle running track with the map as the background so that the ratio of the circle area of the smallest circle including each positioning point to the area of the display screen is within the ratio threshold range;
and displaying the zoomed vehicle running track with the map as the background through the display screen.
Further, after the displaying the zoomed vehicle driving track with the map as the background, the method further comprises:
displaying a vehicle icon at the positioning position through the display screen according to the positioning position in the sorted driving data;
receiving a driving track playback request input from the outside;
and controlling the vehicle icon to move along the generated vehicle running track according to the running track playback request and by combining the arrangement sequence of the running data, so that the vehicle icon sequentially passes through the searched positioning position in each running data in the moving process.
Further, before the generating the vehicle driving track, the method further includes:
according to the road layout in the map, based on the arrangement sequence of the driving data, sequentially aiming at each found driving data, executing: judging whether the positioning position in the driving data is on a road, if not, continuing the current process;
judging whether the positioning position in the last driving data of the driving data is on a road, if so, continuing the current process;
calculating the positioning position in the driving data and the vertical distance from the positioning position in the previous driving data to the target road;
judging whether the vertical distance is not greater than a preset translation threshold value or not, if so, changing the positioning position in the driving data according to a first formula;
wherein the first formula comprises: c. C2＝a2+b2；
Wherein,Gifor the location before modification in the ith driving data, Gi-1For the location of the i-1 st driving data, Gi' is the modified location position in the ith driving data, and a is Gi' and Gi-1A linear distance therebetween, b is Gi' and GiA linear distance therebetween, c is Gi-1And GiLinear distance between them, Gi' at Gi-1On the road.
Further, the method further comprises: setting a second speed threshold;
in a corresponding manner, the first and second electrodes are,
the determining the vehicle stop information of the vehicle by combining the time threshold according to the searched running speed in each running data includes:
based on the arrangement sequence of the running data, sequentially aiming at each found running data, executing the following steps: judging whether the difference value between the time value in the driving data and the time value in the next driving data is not less than the time threshold value, if so, continuing the current process;
and judging whether the running speed in the running data and the running speed in the next running data are both smaller than the second speed threshold value, if so, determining that the vehicle stopping information corresponding to the running data is the vehicle stopping, and the time value in the running data is a stopping point of the vehicle.
Further, the determining the vehicle overspeed information of the vehicle by combining the first speed threshold value according to the searched running speed in each running data includes:
based on the arrangement sequence of the running data, sequentially aiming at each found running data, executing the following steps: and judging whether the running speed in the running data is not less than the first speed threshold value, if so, determining that the vehicle overspeed information corresponding to the running data is vehicle overspeed, and the time value in the running data is an overspeed point of the vehicle.
In a second aspect, the present invention provides a server for executing any one of the above-mentioned methods of providing vehicle travel information, including:
a setting unit for setting a time threshold and a first speed threshold;
the vehicle interaction unit is used for receiving driving data sent by an external vehicle, and the driving data comprises a positioning position and a driving speed;
the system comprises a user interaction unit, a vehicle control unit and a control unit, wherein the user interaction unit is used for receiving an externally input running track query request aiming at the vehicle and a time interval;
the processing unit is used for searching each piece of received running data sent by the vehicle in the time interval according to the running track inquiry request; according to the found running speed in each running data, determining the vehicle stopping information of the vehicle by combining the time threshold; according to the found running speed in each running data, combining the first speed threshold value to determine vehicle overspeed information of the vehicle; generating a vehicle driving track according to the found positioning position in each driving data;
and the display is used for displaying the vehicle stopping information, the vehicle overspeed information and the vehicle running track.
In a third aspect, the present invention provides a system for providing vehicle travel information, comprising:
a server as described above, and at least one vehicle;
each vehicle is used for acquiring current running data of the vehicle, and the running data comprises a positioning position and a running speed; and sending the running data to the server.
Furthermore, each vehicle is used for periodically acquiring the current driving data of the vehicle according to the preset interval time.
Further, each vehicle is used for setting at least two speed intervals and an interval value corresponding to each speed interval, wherein the larger the maximum speed value of the speed interval is, the smaller the corresponding interval value is; after acquiring the current running data of the vehicle, calculating the sum of the acquisition time of the running data and the interval value corresponding to the speed interval of the running speed in the running data; and monitoring whether the summation is achieved currently or not in real time, and if so, acquiring the current running data of the vehicle again.
Further, the server is used for recording the user contact information of each vehicle; receiving an information export request which is input externally and aims at a driving track inquiry request; according to the information export request, exporting all the found driving data, the determined vehicle stopping information and the determined vehicle overspeed information according to the driving track query request into an Excel document; and sending the Excel document to a corresponding user according to the user contact information of the vehicle aimed at by the driving track query request.
The invention provides a method, a device and a system for providing vehicle running information, wherein the method comprises the following steps: setting a time threshold and a speed threshold; receiving driving data which are sent by an external vehicle and comprise a positioning position and a driving speed; receiving an externally input traveling track query request aiming at a vehicle and a time interval; searching each piece of received running data sent by the vehicle in the time interval according to the running track inquiry request; according to the found running speed in each running data, determining the vehicle stopping information of the vehicle by combining with a time threshold; according to the found running speed in each running data, determining the vehicle overspeed information of the vehicle by combining with a speed threshold; generating a vehicle driving track according to the found positioning position in each driving data; and displaying the vehicle stop information, the vehicle overspeed information and the vehicle running track. Therefore, the invention can facilitate the manager to know the vehicle running condition.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a flow chart of a method for providing vehicle travel information according to an embodiment of the present invention;
FIG. 2 is a schematic diagram of a vehicle trajectory provided by an embodiment of the present invention;
FIG. 3 is a schematic diagram of a change in location in a travel data set according to an embodiment of the present invention;
FIG. 4 is a schematic diagram of a server according to an embodiment of the present invention;
fig. 5 is a schematic diagram of a system for providing vehicle driving information according to an embodiment of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer and more complete, the technical solutions in the embodiments of the present invention will be described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention, and based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the scope of the present invention.
As shown in fig. 1, an embodiment of the present invention provides a method for providing vehicle driving information, which may include the steps of:
step 101: a time threshold and a first speed threshold are set.
Step 102: and receiving running data sent by an external vehicle, wherein the running data comprises a positioning position and a running speed.
Step 103: and receiving an externally input traveling track inquiry request aiming at the vehicle and a time interval.
Step 104: and searching each piece of received running data sent by the vehicle in the time interval according to the running track inquiry request.
Step 105: and according to the found running speed in each running data, combining the time threshold value to determine the vehicle stopping information of the vehicle.
Step 106: and according to the found running speed in each running data, combining the first speed threshold value to determine the vehicle overspeed information of the vehicle.
Step 107: and generating a vehicle driving track according to the found positioning positions in the driving data.
Step 108: and displaying the vehicle stop information, the vehicle overspeed information and the vehicle running track by using a display.
The embodiment of the invention provides a method for providing vehicle running information, which comprises the following steps: setting a time threshold and a speed threshold; receiving driving data which are sent by an external vehicle and comprise a positioning position and a driving speed; receiving an externally input traveling track query request aiming at a vehicle and a time interval; searching each piece of received running data sent by the vehicle in the time interval according to the running track inquiry request; according to the found running speed in each running data, determining the vehicle stopping information of the vehicle by combining with a time threshold; according to the found running speed in each running data, determining the vehicle overspeed information of the vehicle by combining with a speed threshold; generating a vehicle driving track according to the found positioning position in each driving data; and displaying the vehicle stop information, the vehicle overspeed information and the vehicle running track. Therefore, the embodiment of the invention can facilitate the manager to know the vehicle running condition.
In order to facilitate the manager to know the vehicle running condition of any vehicle according to the requirement, each vehicle can report the running data of the vehicle to the server. When the manager needs to know the vehicle running condition of a vehicle in a specific time period, the server can process the running data continuously reported by the vehicle, so that the vehicle running condition of the vehicle in the time period can be obtained, and the vehicle running condition is provided for the manager.
As such, to support data processing, the server may typically preset a time threshold based on which to determine vehicle stop information and a first speed threshold based on which to determine vehicle overspeed information.
In addition, each vehicle can continuously report the running data of the vehicle to the server. Correspondingly, the server receives the running data sent by the vehicle. Of course, this driving data may include at least the real-time location and the driving speed of the vehicle in order to know the driving condition of the vehicle. After the server receives the running data, the running data of different vehicles are distinguished, and the running data of each vehicle can be stored respectively.
When a manager needs to check the vehicle running condition of a vehicle, a running track inquiry request can be sent. In detail, the manager may designate a time interval as needed when issuing the travel track query request. For example, when the current time is 15:00, the time interval may be 8:00 today to 14:00 today. If the time interval is not specified, a default time interval preset by the system is adopted, for example, the preset time interval may be from 0:00 today to the current time.
After the time interval is determined, the server can find out the driving data reported by the requested vehicle in the time interval so as to carry out subsequent processing.
Considering that the vehicle speed is not too large and the staying time is not too short usually when the vehicle stays, the vehicle staying condition of the vehicle in the time interval can be obtained according to the running speed of the vehicle at each time value and the preset time threshold value aiming at the searched running data.
In general, the time threshold may be set as required, and may be, for example, 5min, 10min, or the like. For example, according to the driving data sent by the vehicle, if it is shown that the vehicle speed does not exceed the second speed threshold within a period of time, and the period of time is not less than the time threshold, the vehicle is considered to be in the stationary state within the period of time. This second speed threshold may likewise be set as desired, for example, it may be 2m/s, 5m/s, etc.
Typically, the first speed threshold may be set as required, for example, may be 28 m/s. Wherein 1m/s corresponds to 3.6 km/h. According to the running data sent by the vehicle, if the vehicle speed at a time value of the vehicle is displayed to exceed the first speed threshold value, the vehicle can be considered to be in an overspeed state at the time value.
In addition, according to the positioning position in the running data continuously sent by the vehicle, the running track of the vehicle can be generated based on the time sequence.
Based on the above, the server can display the determined vehicle stop information and the vehicle overspeed information and the generated vehicle running track by using the display, so that the manager can check the vehicle running condition.
In summary, based on the implementation manner provided by the embodiment of the present invention, a manager can check the vehicle driving situation of any vehicle in any time period as needed, and specifically can check the vehicle stopping situation, the vehicle overspeed situation, and the vehicle driving track of the vehicle in a specific time period. Of course, based on different practical application requirements, through the data processing function of the processor, the manager can also view the speed change rule and the like of the vehicle in a specific time period.
For example, according to the driving speed in the driving data continuously sent by the vehicle, the vehicle speed change rule can be obtained according to the time sequence by combining the corresponding time values, and the vehicle speed change rule can be displayed to the user in a line graph mode.
For example, when displaying the vehicle driving condition, the vehicle driving track can be displayed in the middle area of the display page in a highlighted manner, the vehicle stopping condition and the vehicle overspeed condition can be displayed in the left area of the display page through the floating window, and the vehicle speed change rule can be displayed in the right area of the display page through the floating window.
As mentioned above, in the process of processing the driving data sent by the vehicle by the server to obtain the driving condition of the vehicle, the time value corresponding to each driving data is used. Generally, there are at least 3 implementations of this time value:
mode 1: the time value corresponding to the driving data is the time value when the driving data of the vehicle is acquired;
mode 2: the time value corresponding to the running data is the time value when the vehicle sends the acquired running data;
mode 3: the time value corresponding to the running data is the time value when the server receives the running data sent by the vehicle.
In detail, in the above mode 1 or mode 2:
in one embodiment of the present invention, preferably, the travel data further includes a time value;
the method may further comprise: and sequentially arranging each piece of searched driving data according to the time value in the driving data and the time sequence.
In the embodiment of the present invention, the time value may be a time value when the vehicle acquires its own driving data, or a time value when the vehicle transmits driving data.
In addition, when the signal is unstable, the transmission of the driving data may have different time delays, which may cause the sequence of the driving data received by the server and the sequence of the driving data transmitted by the vehicle to be completely consistent. When the server determines the driving condition of the vehicle, data processing is generally required to be performed according to the time sequence, so that the server can sort the searched driving data according to the time sequence based on the time values in the driving data, and perform data processing based on the driving data arranged in the sequence. Thus, it is beneficial to quickly execute data processing.
For example, assume that a vehicle starts and starts traveling at 8:00, and the vehicle reports the travel data every 10s after starting. Assuming that the current time is 8:10, and the manager requests the vehicle driving situation from morning to the current time of the day, the server sorts the searched driving data, and the sorting result can be shown in the following table 1.
TABLE 1
| Time value | Speed of travel | Location of the position |
| xxxx-xx-xx 08:00:00 | V1 | G1 |
| xxxx-xx-xx 08:00:10 | V2 | G2 |
| xxxx-xx-xx 08:00:20 | V3 | G3 |
| …… | …… | …… |
| xxxx-xx-xx 08:09:50 | Vn-1 | Gn-1 |
| xxxx-xx-xx 08:10:00 | Vn | Gn |
In table 1, xxxx-xx-xx is used for identifying the day's date, V is used for identifying the traveling speed, G is used for identifying the location position, and subscripts are used for distinction.
In detail, with respect to the above-described mode 3:
in an embodiment of the present invention, when the driving data sent by the vehicle is received, the method further includes: writing a time value of the current time into the driving data;
the method may further comprise: and sequentially arranging each piece of searched driving data according to the time value in the driving data and the time sequence.
In the embodiment of the present invention, the time value may be a time value when the server receives the driving data sent by the vehicle. And when the server receives the running data, adding the time value of the current time into the running data to be used as data storage.
Similarly, in order to facilitate data processing, the server may sort the searched travel data in time order based on the time values in the travel data, and perform data processing based on the sequentially-sorted travel data.
In an embodiment of the present invention, to illustrate one possible implementation manner of displaying a vehicle driving track, before generating the vehicle driving track, the method further includes: setting an occupation ratio threshold range and storing a map;
in a corresponding manner, the first and second electrodes are,
the generating of the vehicle running track comprises the following steps:
aiming at each driving data arranged in sequence, according to the positioning position in the driving data, determining the positioning point in the map, which is consistent with the positioning position;
generating a vehicle running track with the map as a background by correspondingly and sequentially connecting and determining each positioning point based on the arrangement sequence of the running data by combining the road layout in the map;
in a corresponding manner, the first and second electrodes are,
the displaying the vehicle driving track comprises:
according to the size of a display screen, zooming the generated vehicle running track with the map as the background so that the ratio of the circle area of the smallest circle including each positioning point to the area of the display screen is within the ratio threshold range;
and displaying the zoomed vehicle running track with the map as the background through the display screen.
In the embodiment of the invention, when the vehicle running track is displayed, the preset map is used as the display background to display the vehicle running track, so that a manager can quickly know the vehicle running condition by combining with the actual environment. The corresponding positioning point is determined in the map based on the positioning position in the travel data, so that the displayed map portion is usually a portion of a preset map, which is a portion matched with each of the travel data arranged in order.
Referring to fig. 2, a solid line portion in fig. 2 may be a generated vehicle driving track, wherein a map as a background is not shown in fig. 2. In order to facilitate the manager to check the vehicle running track, the scaling of the vehicle running track during display can be limited.
In the embodiment of the invention, the ratio of the circle area of the smallest circle including the vehicle running track to the area of the display screen can be defined to ensure the preferable scaling. For example, the fraction may be defined within a fraction threshold of [ 50%, 80% ]. As shown in fig. 2, for the vehicle travel locus shown in fig. 2, a minimum circle including the vehicle travel locus may be shown as a dotted line portion.
Therefore, after the vehicle running track with the map as the display background is generated, the vehicle running track can be correspondingly zoomed and then displayed according to the preset zooming requirement, so that a good display scale effect is ensured, and the vehicle running track is convenient for a manager to check.
The display operation of the vehicle travel track as described above is a static display, and based on this static display, the manager needs to refer to the respective travel data arranged in order to manually analyze the vehicle travel track, such as where the start point is, where the end point is, and the specific travel direction. However, when the vehicle running track is complex and the running data amount is large, the manpower input is large, errors are prone to occur, and the experience of management personnel is poor.
To alleviate or solve the above problem, in an embodiment of the present invention, on the basis of the static display, a possible implementation manner of additionally dynamically displaying a vehicle driving track is provided, and specifically, after the displaying a zoomed vehicle driving track with the map as a background, the implementation manner further includes:
displaying a vehicle icon at the positioning position through the display screen according to the positioning position in the sorted driving data;
receiving a driving track playback request input from the outside;
and controlling the vehicle icon to move along the generated vehicle running track according to the running track playback request and by combining the arrangement sequence of the running data, so that the vehicle icon sequentially passes through the searched positioning position in each running data in the moving process.
In the embodiment of the invention, after the vehicle running track is statically displayed, since the positioning position in the first running data corresponds to the vehicle starting point in each running data which is arranged in sequence, a vehicle icon can be displayed at the corresponding positioning point. Based on this vehicle icon, the travel track of the vehicle can be automatically played back.
For example, after the administrator clicks a preset playback button on the display screen, the server may control the vehicle icon to start moving along the vehicle driving track, and the specific moving route is consistent with the actual moving route of the vehicle. Specifically, the vehicle icon passes through the positioning positions in the sequentially arranged driving data in sequence during the moving process along the vehicle driving track.
Based on the dynamic display operation, the manager can intuitively know the vehicle running track without additional operation, and the experience of the manager is improved.
In a real scene, the vehicle runs on a road, so the positioning position in the running data is on the road. However, in consideration of the presence of the positioning error, the positioning position may not be on the road. In this way, the finally generated vehicle running track is likely to deviate from the driving road to different degrees. Thus, trajectory rectification can be considered.
In an embodiment of the present invention, please refer to fig. 3, in order to describe a possible implementation manner of trajectory rectification, before generating the vehicle driving trajectory, the method further includes:
according to the road layout in the map, based on the arrangement sequence of the driving data, sequentially aiming at each found driving data, executing: judging whether the positioning position in the driving data is on a road, if not, continuing the current process;
judging whether the positioning position in the last driving data of the driving data is on a road, if so, continuing the current process;
calculating the positioning position in the driving data and the vertical distance from the positioning position in the previous driving data to the target road;
judging whether the vertical distance is not greater than a preset translation threshold value or not, if so, changing the positioning position in the driving data according to a first formula;
wherein the first formula comprises: c. C2＝a2+b2；
Wherein G isiFor the location before modification in the ith driving data, Gi-1For the location of the i-1 st driving data, Gi' is the modified location position in the ith driving data, and a is Gi' and Gi-1A linear distance therebetween, b is Gi' and GiA linear distance therebetween, c is Gi-1And GiLinear distance between them, Gi' at Gi-1On the road.
In the embodiment of the invention, the track correction is mainly used for correcting the situation that the positioning is not accurate enough due to the positioning deviation. For each of the travel data arranged in order, each of the travel data may be processed in turn.
As shown in FIG. 3, the position G of a location in a travel dataiWhen the positioning device is not on the road, the possibility of inaccurate positioning is considered, and whether the positioning device needs to be corrected or not needs to be continuously judged. As shown in FIG. 3, GiAnd the device is not on a road, so that the judgment is continued.
Then, the last positioning position G is further judgedi-1Whether on a road. If so, the vehicle will not normally be driven for a short period of timeGo out of the lane, so explain GiThere is a greater likelihood of inaccurate positioning. Of course, if not, the positioning is considered to be correct, and correction is not needed. As shown in FIG. 3, Gi-1On one road, so the judgment is continued.
Then, G is calculatediDistance Gi-1The vertical distance of the road. If the vertical distance is greater than a predetermined translation threshold, such as 3m, the positioning error is generally not greater than the translation threshold, and therefore the positioning can be considered correct without correction. Otherwise, it can be considered that the positioning is inaccurate due to the existence of the positioning error, and therefore, the correction is needed. Assuming that this vertical distance is less than the translation threshold, G is requirediAnd (5) correcting.
Specifically, G can be represented by formula oneiFor correction, please refer to FIG. 3, G can beiCorrected to Gi′。
By circulating in this way, the positions of the positioning positions can be corrected as required, and the vehicle running track is generated based on the corrected positioning positions, so that the accuracy of the generated vehicle running track is improved.
In one embodiment of the present invention, to illustrate one possible implementation of determining vehicle stop information, the method may further comprise: setting a second speed threshold;
correspondingly, the step 105 includes:
based on the arrangement sequence of the running data, sequentially aiming at each found running data, executing the following steps: judging whether the difference value between the time value in the driving data and the time value in the next driving data is not less than the time threshold value, if so, continuing the current process;
and judging whether the running speed in the running data and the running speed in the next running data are both smaller than the second speed threshold value, if so, determining that the vehicle stopping information corresponding to the running data is the vehicle stopping, and the time value in the running data is a stopping point of the vehicle.
Normally, the running data is uploaded after the vehicle is started, so the vehicle is usually flamed out during the stopping period, and the running data is not uploaded any more. Thus, before and after the vehicle stops, a driving data is generally uploaded respectively. The server analyzes the time values in the two driving data to compare with a preset time threshold value, so that the fact that the vehicle is in a stop state in the period can be known, and the time value of transmitting the driving data before the vehicle stops is determined as a stop point of the vehicle.
Of course, in order to avoid the case where the data upload is failed due to the instability of the signal, after the time threshold is used for the determination, the traveling speeds at the two time values may be further determined. Of course, if there is no data upload failure, both travel speeds should generally be less than the second speed threshold. On the contrary, if there is a case where the data upload is failed, there may be a case where either one of the two traveling speeds is greater than the second speed threshold value or both of the two traveling speeds are greater than the second speed threshold value, and therefore it may be considered that the vehicle is not parked.
In one embodiment of the present invention, to illustrate one possible implementation of determining vehicle overspeed information, the step 106 includes:
based on the arrangement sequence of the running data, sequentially aiming at each found running data, executing the following steps: and judging whether the running speed in the running data is not less than the first speed threshold value, if so, determining that the vehicle overspeed information corresponding to the running data is vehicle overspeed, and the time value in the running data is an overspeed point of the vehicle.
In the embodiment of the invention, when the running speed exceeds the preset first speed threshold value, the vehicle can be considered to run at an overspeed at a corresponding time value, and the time value can be recorded as an overspeed point. By processing the respective traveling data arranged in order in turn, each overspeed point of the vehicle in a specific time period can be determined.
In an embodiment of the present invention, the server may record the driving data transmitted from the vehicle, the generated vehicle stop information, the generated vehicle overspeed information, and the generated vehicle driving track as the vehicle driving log. This log content can be sent to the driver of the respective vehicle on demand, and can also be used as big data processing. Based on this, can make things convenient for the user to look over the reprint and look over the vehicle record of traveling, make things convenient for managers daily work, have according to can.
In summary, the server may record all time traces of each vehicle since the docking platform, and the manager may select a driving record of any vehicle in any time period that the manager wants to view, and the time may be accurate to seconds. After the time period is selected, the server can synchronously update the vehicle track, the vehicle track log, the vehicle speed change curve and the like of the time period. Of course, after the vehicle user logs in, the driving record of the vehicle in any time period can be checked.
As shown in fig. 4, an embodiment of the present invention provides a server for executing any one of the above-mentioned methods for providing vehicle driving information, which may include:
a setting unit 401 for setting a time threshold and a first speed threshold;
the vehicle interaction unit 402 is used for receiving driving data sent by an external vehicle, wherein the driving data comprises a positioning position and a driving speed;
a user interaction unit 403, configured to receive an externally input travel track query request for the vehicle and a time interval;
the processing unit 404 is configured to search, according to the travel track query request, each piece of received travel data sent by the vehicle within the time interval; according to the found running speed in each running data, determining the vehicle stopping information of the vehicle by combining the time threshold; according to the found running speed in each running data, combining the first speed threshold value to determine vehicle overspeed information of the vehicle; generating a vehicle driving track according to the found positioning position in each driving data;
a display 405 for displaying the vehicle stop information, the vehicle overspeed information, and the vehicle travel track.
Because the information interaction, execution process, and other contents between the units in the device are based on the same concept as the method embodiment of the present invention, specific contents may refer to the description in the method embodiment of the present invention, and are not described herein again.
Based on the above, as shown in fig. 5, an embodiment of the present invention provides a system for providing vehicle driving information, which may include: the server 501, and at least one vehicle 502;
each vehicle 502 is configured to obtain current driving data of the vehicle, where the driving data includes a positioning position and a driving speed; the travel data is transmitted to the server 501.
In an embodiment of the present invention, each of the vehicles 502 is configured to periodically obtain its current driving data according to a preset interval time. For example, the driving data may be uploaded every 5s after the vehicle is started.
In an embodiment of the present invention, each of the vehicles 502 is configured to set at least two speed intervals, and an interval value corresponding to each of the speed intervals, wherein the larger the maximum speed value of a speed interval is, the smaller the corresponding interval value is; after acquiring the current running data of the vehicle, calculating the sum of the acquisition time of the running data and the interval value corresponding to the speed interval of the running speed in the running data; and monitoring whether the summation is achieved currently or not in real time, and if so, acquiring the current running data of the vehicle again.
For example, 4 speed intervals may be set: (0, 5m/s), [5m/s, 14m/s), [14m/s, 28m/s ], and (28m/s, + ∞), the corresponding interval values are 60s, 5s, 2s, and 1s, respectively.
In the embodiment of the invention, when the running data is acquired any time, the time for acquiring the running data next time is determined according to the running speed in the running data, namely the current speed of the vehicle. Therefore, the accuracy of the vehicle running track generated by the server can be ensured, and the data processing amount of the server can be greatly reduced.
In an embodiment of the present invention, the server 501 is configured to record a user contact information of each of the vehicles 502; receiving an information export request which is input externally and aims at a driving track inquiry request; according to the information export request, exporting all the found driving data, the determined vehicle stopping information and the determined vehicle overspeed information according to the driving track query request into an Excel document; and sending the Excel document to a corresponding user according to the user contact information of the vehicle aimed at by the driving track query request.
In the embodiment of the invention, after checking the driving track data, a manager can export the driving track data and send the driving track data to a user of a corresponding vehicle, and the user can usually use a driver of the vehicle. Of course, after the user logs in the system and checks the driving track data, the driving track data can be exported.
Furthermore, an embodiment of the present invention provides a readable medium including executable instructions, when executed by a processor of a storage controller, the storage controller performs any one of the above-described methods of providing vehicle travel information.
Further, an embodiment of the present invention provides a memory controller including: a processor, a memory, and a bus;
the memory is used for storing execution instructions, the processor is connected with the memory through the bus, and when the storage controller runs, the processor executes the execution instructions stored in the memory, so that the storage controller executes any one of the above-mentioned methods for providing vehicle running information.
In summary, the embodiments of the present invention have at least the following advantages:
1. in the embodiment of the invention, a server sets a time threshold and a speed threshold; receiving driving data which are sent by an external vehicle and comprise a positioning position and a driving speed; receiving an externally input traveling track query request aiming at a vehicle and a time interval; searching each piece of received running data sent by the vehicle in the time interval according to the running track inquiry request; according to the found running speed in each running data, determining the vehicle stopping information of the vehicle by combining with a time threshold; according to the found running speed in each running data, determining the vehicle overspeed information of the vehicle by combining with a speed threshold; generating a vehicle driving track according to the found positioning position in each driving data; and displaying the vehicle stop information, the vehicle overspeed information and the vehicle running track. Therefore, the embodiment of the invention can facilitate the manager to know the vehicle running condition.
2. In the embodiment of the invention, when the vehicle running track is displayed, the preset map is used as the display background to display the vehicle running track, so that a manager can quickly know the vehicle running condition by combining with the actual environment. And after the vehicle running track with the map as the display background is generated, the vehicle running track can be correspondingly zoomed and then displayed according to the preset zooming requirement, so that a good display scale effect is ensured, and the vehicle running track is convenient for a manager to check.
3. In the embodiment of the invention, based on dynamic display operation, managers can intuitively know the vehicle running track without additional operation, and the experience of the managers is improved.
4. In the embodiment of the invention, the positions of all the positioning positions can be corrected as required, and the vehicle running track is generated based on the corrected positioning positions so as to improve the accuracy of the generated vehicle running track.
5. In the embodiment of the invention, the server can record all time tracks of each vehicle from the docking platform, and managers can select the driving record of any vehicle in any time period which the managers want to view, and the time can be accurate to seconds. After the time period is selected, the server can synchronously update the vehicle track, the vehicle track log, the vehicle speed change curve and the like of the time period. Of course, after the vehicle user logs in, the driving record of the vehicle in any time period can be checked.
6. In the embodiment of the invention, when the running data is acquired any time, the time for acquiring the running data next time is determined according to the running speed in the running data, namely the current speed of the vehicle. Therefore, the accuracy of the vehicle running track generated by the server can be ensured, and the data processing amount of the server can be greatly reduced.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising a" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.
Those of ordinary skill in the art will understand that: all or part of the steps for realizing the method embodiments can be completed by hardware related to program instructions, the program can be stored in a computer readable storage medium, and the program executes the steps comprising the method embodiments when executed; and the aforementioned storage medium includes: various media that can store program codes, such as ROM, RAM, magnetic or optical disks.
Finally, it is to be noted that: the above description is only a preferred embodiment of the present invention, and is only used to illustrate the technical solutions of the present invention, and not to limit the protection scope of the present invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention shall fall within the protection scope of the present invention.
Claims (10)
1. A method of providing vehicle travel information, comprising:
setting a time threshold and a first speed threshold;
receiving running data sent by an external vehicle, wherein the running data comprises a positioning position and a running speed;
receiving an externally input traveling track query request aiming at the vehicle and a time interval;
searching each piece of received driving data sent by the vehicle within the time interval according to the driving track inquiry request;
according to the found running speed in each running data, determining the vehicle stopping information of the vehicle by combining the time threshold;
according to the found running speed in each running data, combining the first speed threshold value to determine vehicle overspeed information of the vehicle;
generating a vehicle driving track according to the found positioning position in each driving data;
and displaying the vehicle stop information, the vehicle overspeed information and the vehicle running track by using a display.
2. The method of claim 1,
the travel data further includes a time value;
further comprising: sequentially arranging each found driving data according to the time values in the driving data and the time sequence;
or,
when the driving data sent by the vehicle is received, the method further comprises the following steps: writing a time value of the current time into the driving data;
further comprising: and sequentially arranging each piece of searched driving data according to the time value in the driving data and the time sequence.
3. The method of claim 2,
before the generating of the vehicle driving track, further comprising: setting an occupation ratio threshold range and storing a map;
in a corresponding manner, the first and second electrodes are,
the generating of the vehicle running track comprises the following steps:
aiming at each driving data arranged in sequence, according to the positioning position in the driving data, determining the positioning point in the map, which is consistent with the positioning position;
generating a vehicle running track with the map as a background by correspondingly and sequentially connecting and determining each positioning point based on the arrangement sequence of the running data by combining the road layout in the map;
in a corresponding manner, the first and second electrodes are,
the displaying the vehicle driving track comprises:
according to the size of a display screen, zooming the generated vehicle running track with the map as the background so that the ratio of the circle area of the smallest circle including each positioning point to the area of the display screen is within the ratio threshold range;
and displaying the zoomed vehicle running track with the map as the background through the display screen.
4. The method of claim 3,
after the displaying the zoomed vehicle driving track with the map as the background, the method further comprises the following steps:
displaying a vehicle icon at the positioning position through the display screen according to the positioning position in the sorted driving data;
receiving a driving track playback request input from the outside;
and controlling the vehicle icon to move along the generated vehicle running track according to the running track playback request and by combining the arrangement sequence of the running data, so that the vehicle icon sequentially passes through the searched positioning position in each running data in the moving process.
5. The method of claim 3,
before the generating of the vehicle driving track, further comprising:
according to the road layout in the map, based on the arrangement sequence of the driving data, sequentially aiming at each found driving data, executing: judging whether the positioning position in the driving data is on a road, if not, continuing the current process;
judging whether the positioning position in the last driving data of the driving data is on a road, if so, continuing the current process;
calculating the positioning position in the driving data and the vertical distance from the positioning position in the previous driving data to the target road;
judging whether the vertical distance is not greater than a preset translation threshold value or not, if so, changing the positioning position in the driving data according to a first formula;
wherein the first formula comprises: c. C2＝a2+b2；
Wherein G isiFor the location before modification in the ith driving data, Gi-1For the location of the i-1 st driving data, Gi' is the modified location position in the ith driving data, and a is Gi' and Gi-1A linear distance therebetween, b is Gi' and GiA linear distance therebetween, c is Gi-1And GiLinear distance between them, Gi' at Gi-1On the road.
6. The method according to any one of claims 2 to 5,
further comprising: setting a second speed threshold;
in a corresponding manner, the first and second electrodes are,
the determining the vehicle stop information of the vehicle by combining the time threshold according to the searched running speed in each running data includes:
based on the arrangement sequence of the running data, sequentially aiming at each found running data, executing the following steps: judging whether the difference value between the time value in the driving data and the time value in the next driving data is not less than the time threshold value, if so, continuing the current process;
and judging whether the running speed in the running data and the running speed in the next running data are both smaller than the second speed threshold value, if so, determining that the vehicle stopping information corresponding to the running data is the vehicle stopping, and the time value in the running data is a stopping point of the vehicle.
7. The method according to any one of claims 2 to 5,
the determining the vehicle overspeed information of the vehicle by combining the first speed threshold value according to the searched running speed in each running data comprises the following steps:
based on the arrangement sequence of the running data, sequentially aiming at each found running data, executing the following steps: and judging whether the running speed in the running data is not less than the first speed threshold value, if so, determining that the vehicle overspeed information corresponding to the running data is vehicle overspeed, and the time value in the running data is an overspeed point of the vehicle.
8. A server for executing the method of providing vehicle travel information according to any one of claims 1 to 7, characterized by comprising:
a setting unit for setting a time threshold and a first speed threshold;
the vehicle interaction unit is used for receiving driving data sent by an external vehicle, and the driving data comprises a positioning position and a driving speed;
the system comprises a user interaction unit, a vehicle control unit and a control unit, wherein the user interaction unit is used for receiving an externally input running track query request aiming at the vehicle and a time interval;
the processing unit is used for searching each piece of received running data sent by the vehicle in the time interval according to the running track inquiry request; according to the found running speed in each running data, determining the vehicle stopping information of the vehicle by combining the time threshold; according to the found running speed in each running data, combining the first speed threshold value to determine vehicle overspeed information of the vehicle; generating a vehicle driving track according to the found positioning position in each driving data;
and the display is used for displaying the vehicle stopping information, the vehicle overspeed information and the vehicle running track.
9. A system for providing vehicle travel information, comprising:
the server of claim 8, and at least one vehicle;
each vehicle is used for acquiring current running data of the vehicle, and the running data comprises a positioning position and a running speed; and sending the running data to the server.
10. The system for providing vehicle travel information according to claim 9,
each vehicle is used for periodically acquiring the current running data of the vehicle according to preset interval time;
and/or the presence of a gas in the gas,
each vehicle is used for setting at least two speed intervals and an interval value corresponding to each speed interval, wherein the larger the maximum speed value of each speed interval is, the smaller the corresponding interval value is; after acquiring the current running data of the vehicle, calculating the sum of the acquisition time of the running data and the interval value corresponding to the speed interval of the running speed in the running data; monitoring whether the summation is achieved currently or not in real time, if so, acquiring the current driving data of the vehicle;
and/or the presence of a gas in the gas,
the server is used for recording the user contact information of each vehicle; receiving an information export request which is input externally and aims at a driving track inquiry request; according to the information export request, exporting all the found driving data, the determined vehicle stopping information and the determined vehicle overspeed information according to the driving track query request into an Excel document; and sending the Excel document to a corresponding user according to the user contact information of the vehicle aimed at by the driving track query request.
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Application publication date: 20191203 |