CN108120449A - The method and device of car assisted positioning - Google Patents

The method and device of car assisted positioning Download PDF

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Publication number
CN108120449A
CN108120449A CN201711397276.8A CN201711397276A CN108120449A CN 108120449 A CN108120449 A CN 108120449A CN 201711397276 A CN201711397276 A CN 201711397276A CN 108120449 A CN108120449 A CN 108120449A
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CN
China
Prior art keywords
information
car
automobile
module
time interval
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.)
Pending
Application number
CN201711397276.8A
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Chinese (zh)
Inventor
郑乐银
王辉耀
方杰
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Shenzhen Water World Co Ltd
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Shenzhen Water World Co Ltd
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Filing date
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Application filed by Shenzhen Water World Co Ltd filed Critical Shenzhen Water World Co Ltd
Priority to CN201711397276.8A priority Critical patent/CN108120449A/en
Publication of CN108120449A publication Critical patent/CN108120449A/en
Pending legal-status Critical Current

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Classifications

    • GPHYSICS
    • G01MEASURING; TESTING
    • G01CMEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
    • G01C21/00Navigation; Navigational instruments not provided for in groups G01C1/00 - G01C19/00
    • G01C21/26Navigation; Navigational instruments not provided for in groups G01C1/00 - G01C19/00 specially adapted for navigation in a road network
    • G01C21/34Route searching; Route guidance
    • G01C21/3407Route searching; Route guidance specially adapted for specific applications
    • G01C21/343Calculating itineraries, i.e. routes leading from a starting point to a series of categorical destinations using a global route restraint, round trips, touristic trips
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01CMEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
    • G01C21/00Navigation; Navigational instruments not provided for in groups G01C1/00 - G01C19/00
    • G01C21/26Navigation; Navigational instruments not provided for in groups G01C1/00 - G01C19/00 specially adapted for navigation in a road network
    • G01C21/34Route searching; Route guidance
    • G01C21/3453Special cost functions, i.e. other than distance or default speed limit of road segments
    • G01C21/3492Special cost functions, i.e. other than distance or default speed limit of road segments employing speed data or traffic data, e.g. real-time or historical
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01SRADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S19/00Satellite radio beacon positioning systems; Determining position, velocity or attitude using signals transmitted by such systems
    • G01S19/38Determining a navigation solution using signals transmitted by a satellite radio beacon positioning system
    • G01S19/39Determining a navigation solution using signals transmitted by a satellite radio beacon positioning system the satellite radio beacon positioning system transmitting time-stamped messages, e.g. GPS [Global Positioning System], GLONASS [Global Orbiting Navigation Satellite System] or GALILEO
    • G01S19/42Determining position
    • G01S19/48Determining position by combining or switching between position solutions derived from the satellite radio beacon positioning system and position solutions derived from a further system

Abstract

The invention belongs to automobile services field, disclose a kind of method and device of car assisted positioning, wherein method has main steps that:Whether monitoring gets current location information;If nothing, the first car location message of the previous moment to prestore and its corresponding first time information are transferred;Obtain current time information;Obtain pre- drive speed;The first time interval between current time information and the first time information is calculated, and the simulated driving distance of automobile is calculated according to the pre- drive speed and the first time interval;According to the simulated driving distance and the car assisted positioning of first car location message analysis current location present invention, even if automobile be expert at drive into it is out of touch with server, the position for calculating automobile can also be simulated, user can obtain the position of automobile in real time by mobile phone access server.

Description

The method and device of car assisted positioning
Technical field
The present invention relates to automobile services fields, especially relate to a kind of method and device of car assisted positioning.
Background technology
At present, sim card slot is fitted on the onboard system of automobile, after SIM card is installed, automobile can be made to connect network, The status information of automobile is uploaded to server, user can understand the state of automobile by mobile phone access server in real time.
When running car does not have to network signal difference or network signal, then the status information of automobile can not be uploaded to Server, user can not be understood the state of automobile by mobile phone terminal, automobile especially lent other people in use, working as running car In the place of network loss, user can not understand the real-time status of automobile, can not understand the location information of automobile.
The content of the invention
The main object of the present invention passes through the position of mobile phone terminal acquisition automobile for auxiliary user after the network loss of solution automobile Confidence ceases, and provides a kind of method and device of car assisted positioning.
The present invention proposes a kind of method of car assisted positioning, including step:
Whether monitoring gets current location information;
If nothing, the first car location message of the previous moment to prestore and its corresponding first time information are transferred;
Obtain current time information;
Obtain pre- drive speed;
The first time interval between current time information and the first time information is calculated, and according to the pre- driving Speed and the first time interval calculate the simulated driving distance of automobile;
Current location is analyzed according to the simulated driving distance and first car location message.
Further, include before the step of whether monitoring gets current location information:
First car location message is marked on navigation routine.
Further, it is described that current location is analyzed according to the simulated driving distance and first car location message Include after step:
The current location is marked on the navigation routine according to the simulated driving distance.
Further, include before the step that the first car location message is marked on navigation routine:
Receive the traveling destination that driver is set;
Obtain start position information;
The navigation routine is planned according to starting point truck position information and traveling destination.
Further, first car location message for transferring the previous moment to prestore and its corresponding first time Include after the step of information:
Pre- drive route is planned according to first car location message and traveling destination again.
Further, it is described that current location is analyzed according to the simulated driving distance and first car location message Include after step:
It is led described in being marked on first car location message and the current location according to the simulated driving distance On the line of air route.
Further, first car location message for transferring previous moment and its corresponding first time information Include after step:
Obtain the directional information of first car location message;
Pre- driving is planned according to first car location message, the directional information and the traveling destination again Route.
Further, described the step of obtaining default drive speed, includes:
It obtains and starts temporal information to the second time interval between first time information;
Obtain the traveling distance in second time interval;
Distance and second time interval have been travelled according to described, has calculated the automobile in the second time interval Travel speed, and using the travel speed as the pre- drive speed.
Further, the step of acquisition pre- drive speed includes:
The traffic information on the pre- drive route is obtained, the traffic information includes road attribute and jam situation;
Corresponding pre- drive speed is generated according to the traffic information.
The present invention also proposes a kind of device of car assisted positioning, including:
Module is monitored, for monitoring whether get current location information;
Module is transferred, if for not getting current location information, transfers the first automobile of the previous moment to prestore Location information and its corresponding first time information;
Current time module, for obtaining current time information;
Acceleration module, for obtaining pre- drive speed;
Analog module, for calculating the first time interval between current time information and the first time information, and The simulated driving distance of automobile is calculated according to the pre- drive speed and the first time interval;
Analysis module, for being worked as according to the simulated driving distance and the unreasonable location information analysis for stating the first automobile Front position.
Further, the device of the car assisted positioning further includes:
First position module is marked, for the first car location message to be marked on navigation routine.
Further, the device of the car assisted positioning further includes:
Current location module is marked, for the current location to be marked on the navigation road according to the simulated driving road On line.
Further, the device of the car assisted positioning further includes:
Destination module, for receiving the traveling destination of driver's setting;
Start position module, for obtaining start position information;
Navigation routine module, for according to starting point truck position information and the traveling destination rule navigation road Line.
Further, the device of the car assisted positioning further includes:
First pre- drive route module, for according to first car location message and traveling destination, advising again Draw pre- drive route.
Further, the device of the car assisted positioning further includes:
Mark two-position module, for according to the simulated driving distance will first car location message and it is described ought Front position is marked on the navigation routine.
Further, the device of the car assisted positioning further includes:
Direction module is obtained, for obtaining the directional information of first car location message;
Second pre- drive route module, for according to first car location message, the directional information and secret stating Again pre- drive route is planned in traveling destination.
Further, the acceleration module includes:
Second time interval unit starts temporal information between the second time between first time information for obtaining Every;
Distance unit is travelled, for obtaining the traveling distance in second time interval;
Calculating speed unit for having travelled distance and second time interval according to, calculates the vapour Travel speed of the vehicle in the second time interval, and using the travel speed as the pre- drive speed.
Further, the acceleration module includes:
Traffic information unit, for obtaining the traffic information on the pre- drive route, the traffic information includes road Attribute and jam situation;
Formation speed unit, for generating corresponding pre- drive speed according to the traffic information.
Compared with prior art, the beneficial effects of the invention are as follows:When the GPS signal of automobile is lost or onboard system GPS signal can not be uploaded to server by network difference, and server is according to the drive route and drive speed before dropout, meter The position of automobile is calculated, automobile is helped to be positioned, user access server will be seen that the Position Approximate of automobile.According to driving The navigation purpose that people is set can accurately calculate the pre- drive route of automobile after the network loss of onboard system.
Description of the drawings
Fig. 1 is the step schematic diagram of the method for the car assisted positioning of one embodiment of the invention;
Fig. 2 is the step schematic diagram of the method for the car assisted positioning of one embodiment of the invention;
Fig. 3 is the step schematic diagram of the method for the car assisted positioning of one embodiment of the invention;
Fig. 4 is the step schematic diagram of the method for the car assisted positioning of one embodiment of the invention;
Fig. 5 is the step schematic diagram of the method for the car assisted positioning of one embodiment of the invention;
Fig. 6 is the step schematic diagram of the method for the car assisted positioning of one embodiment of the invention;
Fig. 7 is the step schematic diagram of the method for the car assisted positioning of one embodiment of the invention;
Fig. 8 is the step schematic diagram of the pre- drive speed of acquisition of the method for the car assisted positioning of one embodiment of the invention;
Fig. 9 is the step schematic diagram of the pre- drive speed of acquisition of the method for the car assisted positioning of one embodiment of the invention;
Figure 10 is the structure diagram of the device of the car assisted positioning of one embodiment of the invention;
Figure 11 is the structure diagram of the device of the car assisted positioning of one embodiment of the invention;
Figure 12 is the structure diagram of the device of the car assisted positioning of one embodiment of the invention;
Figure 13 is the structure diagram of the device of the car assisted positioning of one embodiment of the invention;
Figure 14 is the structure diagram of the device of the car assisted positioning of one embodiment of the invention;
Figure 15 is the structure diagram of the device of the car assisted positioning of one embodiment of the invention;
Figure 16 is the structure diagram of the device of the car assisted positioning of one embodiment of the invention;
Figure 17 is the structure diagram of the acceleration module of the device of the car assisted positioning of one embodiment of the invention;
Figure 18 is the structure diagram of the acceleration module of the device of the car assisted positioning of one embodiment of the invention.
The embodiments will be further described with reference to the accompanying drawings for the realization, the function and the advantages of the object of the present invention.
Specific embodiment
It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, it is not intended to limit the present invention.
With reference to Fig. 1, the method for proposing the car assisted positioning of one embodiment of the invention, applied to server or vehicle-mounted system System, for convenience of understanding, the present invention is illustrated as an example with being applied to server, and the method comprising the steps of:
Whether S5, monitoring get current location information;
If S6, nothing, the first car location message of the previous moment to prestore and its letter of corresponding first time are transferred Breath;
S7, current time information is obtained;
S8, pre- drive speed is obtained;
First time interval between S9, calculating current time information and the first time information, and according to described pre- Drive speed and the first time interval calculate the simulated driving distance of automobile;
S10, according to the simulated driving distance and first car location message, analyze current location.
In the present embodiment, automobile has onboard system, is equipped with SIM card on onboard system, is connected with server by network It connects.Server monitors the location information of automobile in real time, and server obtains car location message and fails, mainly two kinds of reasons, and one Be automobile GPS signal lose, the place that (underground parking) or tunnel etc. can not position indoors;Another main cause is The network signal of automobile is bad, and automobile can not be connected with server network, so as to which server can not obtain the location information of automobile. Normally, the first time for the onboard system that server can be obtained and preserved in real time corresponding truck position information, is obtained listening to After taking car location message failure, the car location message that server obtains car location message failure before the moment is transferred, i.e., First car location message of automobile, while also obtain the first time information in first car location message.It services simultaneously Device also obtains the pre- drive speed of automobile.Pre- drive speed can be the speed that server prestores or by other information The speed analyzed.The first time interval between current time first time information is calculated again, and simulation calculates automobile The distance travelled after dropout then according to distance is travelled, analyzes the current location of automobile.Server obtains current time Information calculates the first time interval between first time information, such as first time information is 18:00, current time Information is 18:20, the first time interval calculated is 20 minutes, and the pre- drive speed of acquisition is 60 kilometers/hour, then simulates It is to be multiplied by 60 kilometers/hour in 20 minutes to travel distance, draws 20 kilometers, then 20 kilometers are incident upon on map, analyzes automobile Current location.
According to the simulated driving distance and first car location message, also wrapped after analyzing current location step 10 It includes:Current location is sent to mobile terminal, so that user understands current location.
It is further, described to monitor that the step of whether getting current location information includes before with reference to Fig. 2:
S4, the first car location message is marked on navigation routine.
In the present embodiment, after server gets vehicle signal loss, by the first car location message mark on navigation road On line, user is made to will be seen that the dropout place of automobile by mobile phone.In driving process, server is also real-time by driver The location information of automobile is obtained, wherein, the car location message that server finally obtains is the first car location message, if service Device is always maintained at networking state with automobile, then the first car location message is real-time change.Wherein, navigation routine refers to drive The destination that is set before driving of member, then to set destination when position as route that starting point destination is terminal generation.
It is further, described to be worked as according to the simulated driving distance and first car location message analysis with reference to Fig. 3 Include after the step of front position:
S11, the current location is marked on the navigation routine according to the simulated driving distance.
In the present embodiment, after server analysis has gone out the current location of automobile, by current location mark on navigation routine, Make user that can also understand the current location of automobile in real time after vehicle signal loss.Wherein, by present bit when mark Tagging is into the color different from normal labeled, to show worked as according to what the analysis of simulated driving distance was calculated after dropout Front position.
With reference to Fig. 4, further, wrapped before the step the first car location message being marked on navigation routine It includes:
S1, the traveling destination that driver is set is received;
S2, start position information is obtained;
S3, the navigation routine is planned according to starting point truck position information and traveling destination.
In the present embodiment, driver sets traveling destination before driving, first on the console of automobile, and onboard system will It is recorded and is sent to server, and server has received the traveling destination of driver's setting, then obtains the position of automobile, i.e., Start position information, then plans a route from starting point to destination, which is navigation routine.The navigation routine Be not it is unique, depending on specific road shape can be have it is a plurality of.
With reference to Fig. 5, further, first automobile information for transferring the previous moment to prestore and its corresponding first Include after the step of temporal information:
S61, according to first car location message and traveling destination, plan pre- drive route again.
In the present embodiment, server is after getting vehicle signal and losing, with dropout place i.e. the first automobile position Information be starting point using the destination that driver is set as terminal again programme path, i.e., pre- drive route, similarly, the pre- driving Route can be a plurality of depending on traffic information.
It is further, described to be worked as according to the simulated driving distance and first car location message analysis with reference to Fig. 6 Include after the step of front position:
S12, first car location message and the current location are marked on by institute according to the simulated driving distance It states on navigation routine.
In the present embodiment, after server analysis has gone out the current location of automobile, by current location mark on navigation routine, Make user that can also understand the current location of automobile in real time after vehicle signal loss, meanwhile, by the first car location message Mark allows user to get information about distance and current position when vehicle signal is lost on navigation circuit.Wherein, marking Current location is marked as the color different from normal labeled when note, to show being according to simulated driving distance after dropout Analyze the current location calculated.
With reference to Fig. 7, further, first car location message for transferring previous moment and its it is corresponding first when Between information the step of after include:
S62, the directional information for obtaining first car location message;
S63, according to first car location message, the directional information and the traveling destination, plan again Pre- drive route.
In the present embodiment, when obtaining the first car location message of automobile, the GPS got is with directive, root According to directional information, according to drive route and directional information, pre- drive route is generated, the principle followed is to try to away from vapour The position of the startup of vehicle.For example, position during car engine is after travelling 2 kilometers eastwards along Shen Nan on Shen Nan, Then turn right and travelled southwards into South Sea main road, after 3 minutes, server obtains car location message failure on the main road of the South Sea, Then server judges that directional information is to the south, and according to drive route, regular pre- drive route is along South Sea main road again Traveling to the south, the straight trip continuation every trade to the south eastwards that travels or turn left is sailed rather than turned right westwards at next crossing Traveling.
With reference to Fig. 8, further, described the step of obtaining default drive speed, includes:
S81, startup temporal information is obtained to the second time interval between first time information;
Traveling distance in S82, acquisition second time interval;
S83, distance and second time interval have been travelled according to, has calculated the automobile between the second time Every interior travel speed, and using the travel speed as the pre- drive speed.
In the present embodiment, pre- drive speed is to be calculated according to driver from the speed driven when dispatching a car.Calculating is opened Dynamic startup temporal information, specifically, referring to that drive shift is (manual on automotive ignition starting time or automobile suspension One grade or the D shelves of automatic transmission) time, calculate the second time interval between automobile starting time and first time information, just Refer to the time of automobile and network connection situation downward driving, calculated further according to the mileometer of automobile in the second time interval Distance is travelled, with distance divided by the second time interval has been travelled, then can draw average drive speed, which is Pre- drive speed.
With reference to Fig. 9, further, described the step of obtaining pre- drive speed, includes:
Traffic information on S84, the acquisition pre- drive route, the traffic information include road attribute and congestion feelings Condition;
S85, corresponding pre- drive speed is generated according to the traffic information.
In the present embodiment, server obtains the road conditions on the pre- drive route after pre- drive route is calculated, wherein Traffic information includes road attribute and jam situation, and road attribute just refers to the roads such as the grade, classification, track quantity of road Information.The maximum travel speed of the road limitation of different attributes is different.Jam situation is that server obtains other The travel speed of average traffic on the road that server analysis is drawn, according to the combination of the two, obtains pre- drive speed.Its In, other server analysis show that the travel speed of the average traffic on road is changed according to the variation of time.For example, The average overall travel speed that other server analysis go out on the main road of the South Sea is:
Wherein, the time for the speed that the expression in above-mentioned bracket analyzes, on the basis of pre- drive speed is variation herein, Can be superposition calculation when calculating simulation travels distance, for example, server is first where first time information acquisition at this time automobile Road average speed be 30km/h, then the simulated driving distance in 3 minutes is 1.5 kilometers, corresponding the first vapour by automobile Truck position information moves 1.5 kilometers along pre- travel route, obtains current car position.And current car position place is obtained again The average speed of road be 60km/h, when first time interval reaches 6 minutes, calculating simulation traveling distance is in original mould It plans to implement to sail and be superimposed in distance, is i.e. when 3min*60km/h=3km, i.e. automobile update current location again, the automobile of distance just now is current Position is 3 kilometers of distances, and the first car location message of distance is 4.5 kilometers of distances.In specific calculating process, in order to more accurate True simulation calculates the current location of automobile, and server obtained other server analysis every 3 seconds and draws being averaged on road The travel speed of vehicle.
In conclusion the method for the car assisted positioning of the present invention, when the GPS signal loss or onboard system of automobile Network difference GPS signal can not be uploaded to server, server according to the drive route and drive speed before dropout, The position of automobile is calculated, automobile is helped to be positioned, user access server will be seen that the Position Approximate of automobile.According to driving With sailing the navigation purpose of people's setting, the pre- drive route after network loss can accurately be calculated.Server access third party Server obtains the pre- average speed for driving road conditions, more accurately simulates the real time position for calculating automobile.
With reference to Figure 10, the present invention also proposes a kind of device of car assisted positioning, and the device of car assisted positioning is service Device or onboard system, for convenience of understanding, the present invention is illustrated as an example with being applied to server, server bag of the invention It includes:
Module 5 is monitored, for monitoring whether get current location information;
Module 6 is transferred, if for not getting current location information, transfers the first automobile of the previous moment to prestore Location information and its corresponding first time information;
Current time module 7, for obtaining current time information;
Acceleration module 8, for obtaining pre- drive speed;
Analog module 9, for calculating the first time interval between current time information and the first time information, and The simulated driving distance of automobile is calculated according to the pre- drive speed and the first time interval;
Analysis module 10, for being analyzed according to the simulated driving distance and the unreasonable location information for stating the first automobile Current location.
In the present embodiment, automobile has onboard system, is equipped with SIM card on onboard system, is connected with server by network It connects.The location information that module 5 monitors automobile in real time is monitored, server obtains car location message failure, mainly two kinds of reasons, First, the GPS signal of automobile is lost, the place that (underground parking) or tunnel etc. can not position indoors;Another main cause Be automobile network signal it is bad, automobile can not be connected with server network, so as to server can not obtain automobile position letter Breath.The first time corresponding parking stall confidence for the onboard system that the position acquisition storage unit of server can be obtained and preserved in real time Breath after monitoring module 5 listens to acquisition car location message failure, transfers module 6 and transfers what server was constantly obtained and preserved First car location message of the car location message, i.e. automobile of car location message failure before the moment, while current time mould Block 7 also obtains the first time information in first car location message.Acceleration module 8 also obtains the pre- driving speed of automobile simultaneously Degree.Pre- drive speed can be in server the speed to prestore of pre- memory cell or by other analytic units according to letter Cease the speed analyzed.Analog module 9 calculates the first time interval between current time first time information, simulation meter again The distance travelled after the dropout of automobile is calculated, then analysis module 10 analyzes the present bit of automobile according to distance is travelled It puts.Current time module 7 obtains current time information, calculates the first time interval between first time information, such as First time information is 18:00, current time information is 18:20, the first time interval calculated is 20 minutes, acceleration module The 8 pre- drive speed obtained are 60 kilometers/hour, then simulated driving distance is to be multiplied by 60 kilometers/hour in 20 minutes, show that 20 is public In, then 20 kilometers are incident upon on map, analysis module 10 analyzes the current location of automobile.
With reference to Figure 11, further, the server further includes:
First position module 4 is marked, for the first car location message to be marked on navigation routine.
In the present embodiment, after server gets vehicle signal loss, first position module 4 is marked by the first automobile position Information flag makes user will be seen that the dropout place of automobile by mobile phone on navigation routine.Driver was driving Cheng Zhong, server also obtain the location information of automobile in real time, wherein, the car location message that server finally obtains is the first vapour Truck position information, if server is always maintained at networking state with automobile, the first car location message is real-time change.Its In, navigation routine refers to the destination that driver is set before driving, then to set destination when position as starting point purpose Ground is the route of terminal generation.
With reference to Figure 12, further, the server further includes:
Current location module 11 is marked, for the current location to be marked on the navigation according to the simulated driving road On route.
In the present embodiment, after server analysis has gone out the current location of automobile, current location module 11 is marked by present bit Tagging makes user that can also understand the current location of automobile in real time after vehicle signal loss on navigation routine.Wherein, exist Current location is marked as the color different from normal labeled when mark, to show being according to simulated driving road after dropout The current location that journey analysis is calculated.
With reference to Figure 13, further, the server further includes:
Destination module 1, for receiving the traveling destination of driver's setting;
Start position module 2, for obtaining start position information;
Navigation routine module 3, for according to starting point truck position information and the traveling destination rule navigation road Line.
In the present embodiment, driver sets traveling destination before driving, first on the console of automobile, and onboard system will It is recorded and is sent to server, and destination module 1 has received the traveling destination of driver's setting, then start position module 2 obtain the position of automobile, i.e. start position information, and then navigation routine module 3 plans one from starting point to destination Route, the route are navigation routine.The navigation routine be not it is unique, depending on specific road shape can be have it is a plurality of.
With reference to Figure 14, further, the server further includes:
First pre- drive route module 61, for according to first car location message and traveling destination, again Plan pre- drive route.
In the present embodiment, server after getting vehicle signal and losing, with signal lost by the first pre- drive route module 61 Lost territory point i.e. the first car location message be starting point using the destination that driver is set as terminal again programme path, i.e., it is pre- to drive Route, similarly, the pre- drive route can be a plurality of depending on traffic information.
With reference to Figure 15, further, the server further includes:
Mark two-position module 12, for according to the simulated driving distance by first car location message and described Current location is marked on the navigation routine.
In the present embodiment, after server analysis has gone out the current location of automobile, two-position module 12 is marked by current location Mark makes user that can also understand the current location of automobile in real time after vehicle signal loss on navigation routine, meanwhile, mark Two-position module 12 also also marks the first car location message on navigation circuit, and user is allowed to get information about vehicle signal and is lost Distance and current position during mistake.Wherein, current location is marked as to the face different from normal labeled when mark Color, to show the being current location calculated according to the analysis of simulated driving distance after dropout.
With reference to Figure 16, further, the server further includes:
Direction module 62 is obtained, for obtaining the directional information of first car location message;
Second pre- drive route module 63, for according to first car location message, the directional information and secret It states traveling destination and plans pre- drive route again.
In the present embodiment, when obtaining the first car location message of automobile, obtaining the GPS that direction module 62 is got all is With directive, the second pre- drive route module 63 is according to directional information, and according to drive route and directional information, generation is pre- Drive route, the principle followed are to try to the position of the startup away from automobile.For example, position during car engine is in Shen Nan After travelling 2 kilometers eastwards along Shen Nan on main road, then turn right and travelled southwards into South Sea main road, it is big at the South Sea after 3 minutes Server obtains car location message failure on road, then obtains direction module 62 and judge that directional information is to the south, the second pre- driving Route module 63 is according to drive route, and regular pre- drive route is travelled southwards along South Sea main road again, next The straight trip continuation every trade to the south eastwards that travels or turn left, which sails rather than turns right, at crossing westwards travels.
With reference to Figure 17, further, the acceleration module 8 includes:
Second time interval unit 81 starts temporal information between the second time between first time information for obtaining Every;
Distance unit 82 is travelled, for obtaining the traveling distance in second time interval;
Calculating speed unit 83 for having travelled distance and second time interval according to, calculates described Travel speed of the automobile in the second time interval, and using the travel speed as the pre- drive speed.
In the present embodiment, pre- drive speed is to be calculated according to driver from the speed driven when dispatching a car.When second Between spacer units 81 calculate start startup temporal information, specifically, referring to automotive ignition starting time or automobile suspension The time of upper drive shift (manual one grade or the D shelves of automatic transmission), the second time interval unit 81 calculate the automobile starting time The second time interval between first time information just refers to the time of automobile and network connection situation downward driving, has travelled Distance unit 82 calculates the traveling distance in the second time interval further according to the mileometer of automobile, and calculating speed unit 83 is used Distance divided by the second time interval have been travelled, then can draw average drive speed, the average drive speed, that is, pre- drive speed.
With reference to Figure 18, further, the acceleration module 8 includes:
Traffic information unit 84, for obtaining the traffic information on the pre- drive route, the traffic information includes road Road attribute and jam situation;
Formation speed unit 85, for generating corresponding pre- drive speed according to the traffic information.
In the present embodiment, after pre- drive route is calculated, traffic information unit 84 is obtained on the pre- drive route Road conditions, wherein traffic information include road attribute and jam situation, and road attribute just refers to the grade, classification, track of road The information of the roads such as quantity.The maximum travel speed of the road limitation of different attributes is different.Jam situation is service Device obtains the travel speed of average traffic on the road that other server analysis are drawn, formation speed unit 85 is according to the two With reference to obtaining pre- drive speed.Wherein, other server analysis draw the travel speed of the average traffic on road be according to when Between variation and change.For example, the average overall travel speed that other server analysis go out on the main road of the South Sea is:
Wherein, the time for the speed that the expression in above-mentioned bracket analyzes, on the basis of pre- drive speed is variation herein, Can be superposition calculation when calculating simulation travels distance, for example, server is first where first time information acquisition at this time automobile Road average speed be 30km/h, then the simulated driving distance in 3 minutes is 1.5 kilometers, corresponding the first vapour by automobile Truck position information moves 1.5 kilometers along pre- travel route, obtains current car position.And current car position place is obtained again The average speed of road be 60km/h, when first time interval reaches 6 minutes, calculating simulation traveling distance is in original mould It plans to implement to sail and be superimposed in distance, is i.e. when 3min*60km/h=3km, i.e. automobile update current location again, the automobile of distance just now is current Position is 3 kilometers of distances, and the first car location message of distance is 4.5 kilometers of distances.In specific calculating process, in order to more accurate True simulation calculates the current location of automobile, and server obtained other server analysis every 3 seconds and draws being averaged on road The travel speed of vehicle.
In conclusion the device of the car assisted positioning of the present invention, when the GPS signal loss or onboard system of automobile Network difference GPS signal can not be uploaded to server, server according to the drive route and drive speed before dropout, The position of automobile is calculated, automobile is helped to be positioned, user access server will be seen that the Position Approximate of automobile.According to driving With sailing the navigation purpose of people's setting, the pre- drive route after network loss can accurately be calculated.Server access third party Server obtains the pre- average speed for driving road conditions, more accurately simulates the real time position for calculating automobile.
The foregoing is merely the preferred embodiment of the present invention, are not intended to limit the scope of the invention, every utilization It is related to be directly or indirectly used in other for the equivalent structure or equivalent flow shift that description of the invention and accompanying drawing content are made Technical field, be included within the scope of the present invention.

Claims (10)

  1. A kind of 1. method of car assisted positioning, which is characterized in that including step:
    Whether monitoring gets current location information;
    If nothing, the first car location message of the previous moment to prestore and its corresponding first time information are transferred;
    Obtain current time information;
    Obtain pre- drive speed;
    The first time interval between current time information and the first time information is calculated, and according to the pre- drive speed The simulated driving distance of automobile is calculated with the first time interval;
    Current location is analyzed according to the simulated driving distance and first car location message.
  2. 2. the method for car assisted positioning as described in claim 1, which is characterized in that whether the monitoring gets present bit Include before the step of confidence ceases:
    First car location message is marked on navigation routine.
  3. 3. the method for car assisted positioning as claimed in claim 2, which is characterized in that described by the first car location message mark Remembering includes before the step on navigation routine:
    Receive the traveling destination that driver is set;
    Obtain start position information;
    The navigation routine is planned according to starting point truck position information and traveling destination.
  4. 4. the method for car assisted positioning as described in claim 1, which is characterized in that the step for obtaining default drive speed Suddenly include:
    It obtains and starts temporal information to the second time interval between first time information;
    Obtain the traveling distance in second time interval;
    Distance and second time interval have been travelled according to described, has calculated row of the automobile in the second time interval Speed is sailed, and using the travel speed as the pre- drive speed.
  5. 5. the method for car assisted positioning as described in claim 1, which is characterized in that described the step of obtaining pre- drive speed Including:
    The traffic information on the pre- drive route is obtained, the traffic information includes road attribute and jam situation;
    Corresponding pre- drive speed is generated according to the traffic information.
  6. 6. a kind of device of car assisted positioning, which is characterized in that including:
    Module is monitored, for monitoring whether get current location information;
    Module is transferred, if for not getting current location information, transfers the first automobile position of the previous moment to prestore Information and its corresponding first time information;
    Current time module, for obtaining current time information;
    Acceleration module, for obtaining pre- drive speed;
    Analog module, for calculating the first time interval between current time information and the first time information, and according to The pre- drive speed and the first time interval calculate the simulated driving distance of automobile;
    Analysis module, for analyzing present bit according to the simulated driving distance and the unreasonable location information for stating the first automobile It puts.
  7. 7. the device of car assisted positioning as claimed in claim 6, which is characterized in that the device of the car assisted positioning is also Including:
    First position module is marked, for the first car location message to be marked on navigation routine.
  8. 8. or the device of the car assisted positioning as described in requiring 7, which is characterized in that the device of the car assisted positioning is also Including:
    Destination module, for receiving the traveling destination of driver's setting;
    Start position module, for obtaining start position information;
    Navigation routine module, for according to starting point truck position information and the traveling destination rule navigation routine.
  9. 9. the device of car assisted positioning as claimed in claim 6, which is characterized in that the acceleration module includes:
    Second time interval unit starts temporal information to the second time interval between first time information for obtaining;
    Distance unit is travelled, for obtaining the traveling distance in second time interval;
    Calculating speed unit for having travelled distance and second time interval according to, calculates the automobile and exists Travel speed in second time interval, and using the travel speed as the pre- drive speed.
  10. 10. the device of car assisted positioning as claimed in claim 6, which is characterized in that the acceleration module includes:
    Traffic information unit, for obtaining the traffic information on the pre- drive route, the traffic information includes road attribute And jam situation;
    Formation speed unit, for generating corresponding pre- drive speed according to the traffic information.
CN201711397276.8A 2017-12-21 2017-12-21 The method and device of car assisted positioning Pending CN108120449A (en)

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CN201711397276.8A CN108120449A (en) 2017-12-21 2017-12-21 The method and device of car assisted positioning
PCT/CN2018/072004 WO2019119550A1 (en) 2017-12-21 2018-01-09 Method and apparatus for assisting with automobile positioning

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