CN105788338A - Interaction-type intelligent GPS - Google Patents

Interaction-type intelligent GPS Download PDF

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Publication number
CN105788338A
CN105788338A CN201410835894.6A CN201410835894A CN105788338A CN 105788338 A CN105788338 A CN 105788338A CN 201410835894 A CN201410835894 A CN 201410835894A CN 105788338 A CN105788338 A CN 105788338A
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China
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module
gps
described
time
user
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CN201410835894.6A
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Chinese (zh)
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齐路
白明
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北京奇虎科技有限公司
奇智软件(北京)有限公司
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Priority to CN201410835894.6A priority Critical patent/CN105788338A/en
Publication of CN105788338A publication Critical patent/CN105788338A/en

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Abstract

The invention discloses an interaction-type intelligent GPS comprising an intelligent GPS terminal and a cloud server. The interaction-type intelligent GPS is characterized in that the intelligent GPS terminal and the cloud server are connected together; the intelligent GPS terminal comprises an input module, a GPS module, a driving data acquisition module, a wireless communication module, and a processor; the cloud server comprises a calibrating module and a user position sharing module; the GPS module is used to plan the navigation route by using the processor or the cloud server according to the user current position or the map road condition information, is used to segment the navigation route according to the map road condition, and is used to calculate the estimated passing time and the estimated arriving time of every road segment; the driving data acquisition module is used to acquire the actual passing time of the current road segment by acquiring the real-time vehicle speed by the vehicle CAN bus; the calibrating module of the cloud server is used to calculate the estimated arriving time after the calibration according to the user current position, the estimated passing time and the actual passing time of the current road segment, which are uploaded by the communication module, and is used to transmit the estimated arriving time to the user; the user position sharing module is used to display the positions of other users.

Description

A kind of interactive intelligent GPS

Technical field

The present invention relates to GPS navigation field, especially a kind of interactive intelligent GPS.

Background technology

GPS geo-location system (GlobalPositioningSystem) can provide whole world three-dimensional position and time to object.Utilize global positioning satellite GPS navigation system, the operational factors such as the speed of movement on road, position are shown in good time.Due to range finding time delay, the impact of climate change and terrestrial magnetism, there is error in GPS positioning precision, if satellite clock and user clock error 10ns, is then equivalent to pseudorange error 3m.GPS distance range rate error is bigger, it is possible to reach more than 4%.

Now the crowd of remote way self-driving travel gets more and more, and self-driving travel trip of forming a team becomes a kind of fashion.Although GPS is widely used now, but multiple teammate is at traveling process, owing to linking up, or plans the variety of problems such as mistake, often occurs branch road, even lost situation.And navigation time is forbidden, it is late that the time of reaching has have morning.Go on a tour time of team member and cost wasted significantly, sometimes also very dangerous, to individual damnous while, bring huge puzzlement to the manager formed a team.Visible as can be seen here, many people go on a tour and especially drive remote way when going on a tour, time can't see the position of the other side, inconvenience can be caused.

There is many aspects needing and optimizing in current vehicle GPS:

1, GPS navigation E.T.A is forbidden, it is actually reached destination time often very big with the relation of road conditions, traditional optimization method is to select optimal route in conjunction with electronic chart real-time road, but, electronic chart can only obtain current road conditions, and road conditions can change when driving, then precalculated E.T.A is not accurate enough.

2, the position of colleague teammate cannot be seen, on highway, select different route to cause the deviation time of advent.

3, GPS information is shown in console, and driver needs transfer sight, causes driving danger.

4, GPS controls button at console, and driver needs transfer sight, causes driving danger.

5, gps signal is unstable, weak or enter the situation in tunnel when running into signal, it is impossible to obtain real-time speed, cause E.T.A to estimate inaccurate.

Visible, prior art still exists a lot of problem needing optimization and improvement.

Summary of the invention

For the problems referred to above, it is considered to adopt high in the clouds technology so that calibration function is arranged on high in the clouds, give Cloud Server part bigger to power consumption and computing and process, this ensure that the small and exquisite power saving of GPS.Utilize position, high in the clouds to share, it is possible to see colleague teammate and see mutually the other side position simultaneously.Considerably increase safety and reliability.It is an object of the invention to provide one in conjunction with high in the clouds calibration navigation E.T.A, and can other customer locations of reality.And there is operation and control interface on the steering wheel, there is a kind of interactive intelligent GPS of higher ease-to-operate and safety.

A kind of interactive intelligent GPS, it is characterised in that including: Intelligent GPS terminal and cloud server, described GPS terminal and cloud server are connected with each other;Wherein said Intelligent GPS terminal includes:

Input module, for the instruction of Gather and input;

Wireless communication module: include one of GSM, GPRS, 3G/4G, WIFI or its combination;

GPS module: obtain user current location and map traffic information;

Travelling data acquisition module: including CAN interface, it is connected with automobile CAN-bus;

Processor: coordinating each module and run, process each module data, above-mentioned each module is connected with processor;

Described cloud server includes calibration module, customer location sharing module;Described GPS module, according to user current location and map traffic information, is planned navigation way by processor or cloud server, and road conditions are by navigation way segmentation according to the map, calculate each section estimated time of passing and E.T.A;Described travelling data acquisition module obtains real-time speed by automobile CAN-bus, obtains the actual of current road segment and passes through the time;The current road segment that described wireless communication module is uploaded by the calibration module of described cloud server is estimated by carrying out ratio calculation with reality by the time, obtains difference FACTOR P;The E.T.A uploaded further according to described wireless communication module and the P value of calibration module, estimate the time of getting home and be pushed to user after calculating calibration;And show other customer locations by customer location sharing module.

Described input module includes phonetic entry end and/or touch input end, and described touch input end is arranged on console or/and on steering wheel.

Also include output module.

Including voice output end block and display outfan, speech output end is used for playing place's navigation hint;Described display outfan, is used for showing map driving situation and providing operation interface, described display outfan is screen;Described screen is arranged on console or/and on steering wheel.

Described travelling data acquisition module connects the vehicle speed data obtaining instrument assembly by CAN, and described GPS module also includes electronic compass, gyroscope.

Described input module includes GPS setting module, can set the various functions of GPS, and customer priorities is arranged.

Also including power module, memory module, USB interface, described power module is used for as the electric energy needed for vehicle control syetem offer work;Described power module is rechargeable battery;Described memory module includes for storing each phonetic order performing correspondence set by instruction and storage electronic chart, and described phonetic order includes quick phonetic order;Described USB interface is used for connecting mobile phone and power module being powered.

The air navigation aid of a kind of intelligent GPS, it is characterised in that including:

S1 setting path: according to the phonetic order of user's input or enter the operating instructions in respective interface, controls GPS and sets destination, and calculate best traffic route on electronic chart;

The S2 scheduled time: obtain user current location and real-time road, calculate E.T.A;

S3 travelling data is sampled: travelling data acquisition module is connected the real-time speed of collection with automobile CAN-bus, obtains the actual of current road segment and passes through the time;

S4 calculates difference coefficient: calculates the actual ratio by time with current road segment estimated time of passing of current road segment, obtains ratio coefficient P;

S5 calibrates E.T.A: is multiplied with FACTOR P with follow-up each section estimated time of passing, is calibrated rear E.T.A;

S6 feeds back: exported to user by voice or display screen E.T.A after calibration;

Preferably, described acquisition user current location and true road conditions are to be obtained from gps satellite signal by gps antenna, electronic compass, gyroscope combination.

Preferably, described travelling data is sampled, and is connected the vehicle speed data obtaining instrument assembly with CAN by travelling data acquisition module.

Described input instruction also includes GPS set-up function, can set the various functions of GPS, and customer priorities is arranged.

Also including the functions such as storage and USB connection, described memory module includes for storing each phonetic order performing correspondence set by instruction and storage electronic chart, and described phonetic order includes quick phonetic order;Described USB interface is used for connecting mobile phone and power module being powered.

In the present invention, except the signal accepting gps satellite, also by the CAN real-time speed of collection vehicle.Adopt the solution of the present invention, it is possible to the E.T.A that GPS is provided is calibrated.Bring great convenience to user and enjoy, operation interface is set simultaneously on the steering wheel, having ensured user's personal safety in driving or walking.Obtain real-time speed, complementary with satellite-signal, calibrate real-time road.There is wireless communication module simultaneously, can according to wireless communication base station auxiliary positioning when there is no gps signal.

Accompanying drawing explanation

Fig. 1 is the structured flowchart of a kind of interactive intelligent GPS of the present invention

Fig. 2 is the structured flowchart of Intelligent GPS terminal of the present invention

Fig. 3 is the circuit diagram of Intelligent GPS terminal of the present invention

Detailed description of the invention

Along with the rise of GPS technology, along with the development of science and technology, present automobile all has navigation feature, but GPS navigator there is also many deficiencies, one interactive intelligent GPS of the present invention, calculates in conjunction with high in the clouds, calibrates E.T.A.Show other customer locations simultaneously, and GPS operation and control interface aspect is optimized, bring better Consumer's Experience simultaneously to user, improve the accurately fixed of navigation time, travel safety.

Below in conjunction with the drawings and the specific embodiments, the present invention is further described.

As shown in Figure 1, including: Intelligent GPS terminal and cloud server, described GPS terminal and cloud server are connected with each other;Wherein said Intelligent GPS terminal includes:

Input module, for the instruction of Gather and input;

Wireless communication module: include one of GSM, GPRS, 3G/4G, WIFI or its combination;

GPS module: obtain user current location and map traffic information;

Travelling data acquisition module: including CAN interface, it is connected with automobile CAN-bus;

Processor: coordinating each module and run, process each module data, above-mentioned each module is connected with processor;

Described cloud server includes calibration module, customer location sharing module;Described GPS module, according to user current location and map traffic information, is planned navigation way by processor or cloud server, and road conditions are by navigation way segmentation according to the map, calculate each section estimated time of passing and E.T.A;Described travelling data acquisition module obtains real-time speed by automobile CAN-bus, obtains the actual of current road segment and passes through the time;User current location, E.T.A and reality that described cloud server calibration module is uploaded according to described communication module are by the time, and after calculating calibration, E.T.A is pushed to user;And show other customer locations by customer location sharing module.

Relying on GPS map traffic information to calculate E.T.A in prior art, and actual road conditions are continually changing under steam, the deviation of GPS map road conditions and actual road conditions certainly exists, it is contemplated that the problem that the time of advent is forbidden is difficult to overcome.

On the other hand, GPS tests the speed and itself there is deviation, and due to range finding time delay, the impact of climate change and terrestrial magnetism, GPS positioning precision exists error, if satellite clock and user clock error 10ns, is then equivalent to pseudorange error 3m.

Travel for the speed of automobile 100km/h.3min distance travelled reaches 5000m.When highway plane line style is circular curve, motorcycle travels on arc highway, and GPS mensuration is car speed of straight-line travelling on string.Running car is 420m at radius, and when central angle is the circular curve highway of 60 °, as actual travel mileage 439.6m, the distance travelled of GPS range finding is 420m, and error is 19.6m, and error rate reaches 4.5%.If being 20s by this circular arc section time, then actual vehicle speed is the speed that 79.1km/h, GPS record is 75.6km/h, and lower than actual vehicle speed 3.5km/h, error rate is positive 4.4%.

Visible GPS tests the speed and itself there is error rate, and GPS map road conditions there is also error's synthetic error will be bigger, and accurately estimation is difficult to the time of advent.

The advantage adopting such scheme is in that, the CAN interface of present invention server by utilizing travelling data acquisition module beyond the clouds directly obtains the actual speed of running car, GPS is tested the speed and E.T.A is calibrated, it is thus achieved that E.T.A value more accurately.Concrete grammar is, utilizes the CAN interface of travelling data acquisition module directly to obtain the actual speed of running car, obtains the actual of current road segment and pass through the time.The expectation meter that the reality of current road segment is provided by the calibration module of described cloud server by time and GPS module carries out ratio calculation by the time, obtains difference FACTOR P.Difference FACTOR P is multiplied with each section estimated time of passing, E.T.A after being calibrated follow-up each section estimated time of passing and calibrating.Computing formula is:

The actual time of the passing through/current road segment estimated time of passing of P=current road segment

After calibration E.T.A=E.T.A * P

Owing to each section on travel route has seriality, situation about getting congestion often also has seriality and tendency, if current road segment jam situation and GPS map road conditions have deviation, then also can there is deviation with GPS map road conditions in the actual road conditions of subsequent section in certain journey, therefore the difference FACTOR P of deviation between current road segment and GPS map road conditions is substituted into the E.T.A of subsequent section so that estimate that the accuracy of the time of advent is greatly improved.

The benefit that high in the clouds calculates is utilized to be, it is possible to be greatly saved the cost of GPS, give cloud server the task of a large amount of computing module processing modules and complete.Can so that GPS to be more small and exquisite portable, power saving more, cruising time is longer.

Simultaneously another big advantage of the present invention is in that, utilizes the customer location sharing module that cloud server is arranged, it is possible to will share with the customer location of group, gives the donkey forming a team to go on a tour friendly, and the management of Yuan Tu self-driving travel travel party brings huge convenience and safety.

Such scheme is adopted to be further advantageous in that, except the calibration to the error of GPS own, collecting vehicle information module can also make up the deficiency of GPS module, when gps signal is unstable or vehicle does not have gps signal when sailing tunnel into, it is possible to continue to obtain real-time speed by CAN interface and E.T.A is calibrated.

Meanwhile, the wireless communication module of the present invention when not having gps signal or gps signal is bad, can utilize radio communication base station to play the effect of auxiliary positioning.

Further, vehicle control syetem of the present invention also includes input module and output module.

Its function is in that, input module sends instructions under being used for carrying out and arranges functional mode.Output module is used for the information such as feedback operation state.

Further, described input module includes phonetic entry end touch input end, and described touch input end is arranged on console and on steering wheel.

The advantage adopting this scheme is in that, overcomes control button at console, and operator needs transfer sight, it is easy to cause the hidden danger that driving is dangerous.Being simultaneously located at by touch input end on steering wheel and console, driver touches the button on steering wheel under steam can complete operation, and safety is greatly improved.Meanwhile, the personnel in copilot can also assist operator by console.Driver more can directly adopt phonetic entry be operated control, safer reliably.Owing to interior space is little, the installation site of phonetic entry end is not required to be particularly limited to, as long as the phonetic order of driver can be received.

Further, described output module, including voice output end block and display outfan, speech output end is for the voice messaging of playback process device feedback;Described display outfan, is used for showing content and providing operation interface, described display outfan is screen;Described screen is arranged on console and steering wheel.

The advantage adopting this scheme is in that, display output is intuitively careful, and voice output driver does not need to divert sb.'s attention i.e. acceptable key message, and the two has his own strong points, and has complementary advantages.Described speech output end directly adopts automobile audio.Showing that outfan is simultaneously located on console and steering wheel and is advantageous in that, in driving, driver need not divert sb.'s attention i.e. observable, brings very big raising to traffic safety.

Further, described travelling data acquisition module connects the vehicle speed data obtaining instrument assembly by CAN, and described GPS module also includes electronic compass, gyroscope.

The advantage adopting this scheme is in that, electronic compass, gyroscope coordinate the real-time speed information of CAN interface acquisition, it is possible to or entrance tunnel unstable at gps signal does not have during gps signal to play miscellaneous function, continue to calculate the time of advent.

Further, also including power module, memory module, USB interface, described power module is used for as the electric energy needed for vehicle control syetem offer work;Described power module is rechargeable battery;Described memory module includes for storing each phonetic order performing correspondence set by instruction and storage electronic chart, and described phonetic order includes quick phonetic order;Described USB interface is used for connecting mobile phone and power module being powered.

Wherein, power module, memory module, setting module and USB interface are the conventional modules within vehicle control syetem, omit the description to its function herein, introduce other modules start-up course at control intelligent cooking electrical equipment in real time below.It is to be noted when user manipulates vehicle control syetem use quick phonetic order, it is necessary to corresponding quick phonetic order is set in the setting module of vehicle control syetem, and is stored in memory module.

For the stroke that user goes home:

A kind of vehicle control syetem controls the method for intelligent cooking electrical equipment, it is characterised in that including:

S1 setting path: according to the phonetic order of user's input or enter the operating instructions in respective interface, controls what GPS set, and calculates best traffic route on electronic chart;

The S2 scheduled time: obtain user current location and real-time road, calculate E.T.A;

S3 travelling data is sampled: travelling data acquisition module is connected the real-time speed of collection with automobile CAN-bus, obtains the actual of current road segment and passes through the time;

S4 calculates difference coefficient: calculates the actual ratio by time with current road segment estimated time of passing of current road segment, obtains ratio coefficient P;

S5 calibrates E.T.A: is multiplied with FACTOR P with follow-up each section estimated time of passing, is calibrated rear E.T.A;

S6 feeds back: exported to user by voice or display screen E.T.A after calibration;

1) phonetic order or the operational order setting path of user's input are obtained: gathered the phonetic order of user by the phonetic entry end of input module, and the execution instruction that the phonetic order of searching coupling in a storage module is corresponding, or by touch input end, enter the operating instructions, thus learning the coordinate of getting home that user issues, and then planning navigation way;

2) obtain user current location and calculate E.T.A: being obtained user current location programme path by GPS module, the GPS map traffic information in each section on programme path is obtained by map road condition acquiring module, map road conditions according to each section provide the estimated time of passing in each section, being added and obtain E.T.A, the such as time of advent needs 1 hour;

In the inventive method, the location mode that can adopt the combination of GPS location or GPS and acceleration transducer, electronic compass, gyroscope obtains the current location information of user, namely can by a current location information obtaining user in the mode of above several location.Concrete, when landform residing for user is comparatively open, it is possible to just can obtain the current location information of relatively accurate user only with GPS locating module therein;When residing for user, landform is complex, exist more when blocking building and be likely to the positioning precision affecting GPS locating module, can adopt GPS and acceleration transducer, electronic compass, gyroscope with the use of location mode position, obtain the current location information of user.

3) travelling data sampling: in the present invention, adopt GPS to test the speed to test the speed with the scheme adopting the real-time speed of CAN interface acquisition to combine, it is primarily to and overcomes GPS to test the speed problem devious with actual vehicle speed, and GPS map road conditions and actual road conditions shortcoming devious.The present invention utilizes the CAN interface of travelling data acquisition module directly to obtain the actual speed of running car, calculates the actual of current road segment and passes through the time.

4) difference coefficient is calculated: the estimated time of passing that the reality of current road segment is provided by described calibration module by time and GPS module carries out ratio calculation, obtains difference FACTOR P.

5) the calibration scheduled time: difference FACTOR P is multiplied with each section estimated time of passing, E.T.A after being calibrated follow-up each section estimated time of passing and calibrating.

Computing formula is:

The actual time of the passing through/current road segment estimated time of passing of P=current road segment

After calibration E.T.A=E.T.A * P

6) feedback: E.T.A after calibration is exported to user by voice or display screen.

Further describe operation principle and the structure of Intelligent GPS terminal.

Being Intelligent GPS terminal circuit diagram as shown in Figure 3, Intelligent GPS terminal is with processor for core, and processor realizes the work process of whole Intelligent GPS terminal is controlled and is processed.After Intelligent GPS terminal start powers on, user input voice instruction is transferred acoustical signal to the signal of telecommunication by input circuit and is transferred to processor analyzing and processing, and by this instruction buffer to storage circuit, then locating module and communication module power on, received satellite by GPS receiver module and send the location data of coming, and calculate the longitude and latitude in geographical position residing for self according to the data sent from more than three different satellites;When can not receive satellite-signal, obtain real-time current location by acceleration transducer, electronic compass and gyroscope further with the use of obtaining accurate position data;Current location information is sent to processor through serial ports by locating module.

Use one intelligent GPS of the present invention, improve the accurately fixed of GPS E.T.A, manipulate convenience, the life being more close to the users;The speech voice input function of vehicle control syetem can also be utilized, bring different voice real-time experience for user.

Embodiment in above-described embodiment can combine further or replace; and embodiment is only that the preferred embodiments of the present invention are described; not the spirit and scope of the present invention are defined; under the premise without departing from design philosophy of the present invention; the various changes and modifications that in this area, technical scheme is made by professional and technical personnel, belong to protection scope of the present invention.

Claims (10)

1. an interactive intelligent GPS, it is characterised in that including: Intelligent GPS terminal and cloud server, described GPS terminal and cloud server are connected with each other;Wherein said Intelligent GPS terminal includes:
Input module, for the instruction of Gather and input;
Wireless communication module: include one of GSM, GPRS, 3G/4G, WIFI or its combination;
GPS module: obtain user current location and map traffic information;
Travelling data acquisition module: including CAN interface, it is connected with automobile CAN-bus;
Processor: coordinating each module and run, process each module data, above-mentioned each module is connected with processor;
Described cloud server includes calibration module, customer location sharing module;Described GPS module, according to user current location and map traffic information, is planned navigation way by processor or cloud server, and road conditions are by navigation way segmentation according to the map, calculate each section estimated time of passing and E.T.A;Described travelling data acquisition module obtains real-time speed by automobile CAN-bus, obtains the actual of current road segment and passes through the time;The current road segment that described wireless communication module is uploaded by the calibration module of described cloud server is estimated by carrying out ratio calculation with reality by the time, obtains difference FACTOR P;The E.T.A uploaded further according to described wireless communication module and the P value of calibration module, estimate the time of getting home and be pushed to user after calculating calibration;And show other customer locations by customer location sharing module.
2. a kind of interactive intelligent GPS according to claim 1, it is characterised in that described input module includes phonetic entry end and/or touch input end, described touch input end is arranged on console or/and on steering wheel.
3. a kind of interactive intelligent GPS according to claim 1, it is characterised in that also include output module.
4. a kind of interactive intelligent GPS according to claim 3, it is characterised in that described output module, including voice output end block and display outfan, speech output end is used for playing place's navigation hint;Described display outfan, is used for showing map driving situation and providing operation interface, described display outfan is screen;Described screen is arranged on console or/and on steering wheel.
5. a kind of interactive intelligent GPS according to claim 1, it is characterised in that described travelling data acquisition module connects the vehicle speed data obtaining instrument assembly by CAN, and described GPS module also includes electronic compass, gyroscope.
6. a kind of interactive intelligent GPS according to claim 2, it is characterised in that described input module includes GPS setting module, can set the various functions of GPS, and customer priorities is arranged.
7. a kind of interactive intelligent GPS according to claim 1, it is characterised in that also including power module, memory module, USB interface, described power module is used for as the electric energy needed for vehicle control syetem offer work;Described power module is rechargeable battery;Described memory module includes for storing each phonetic order performing correspondence set by instruction and storage electronic chart, and described phonetic order includes quick phonetic order;Described USB interface is used for connecting mobile phone and power module being powered.
8. the air navigation aid of an interactive intelligent GPS, it is characterised in that including:
S1 setting path: according to the phonetic order of user's input or enter the operating instructions in respective interface, controls the GPS destination set, and calculates best traffic route on electronic chart;
The S2 scheduled time: obtain user current location and real-time road, calculate E.T.A;
S3 travelling data is sampled: travelling data acquisition module is connected the real-time speed of collection with automobile CAN-bus, obtains the actual of current road segment and passes through the time;
S4 calculates difference coefficient: calculates the actual ratio by time with current road segment estimated time of passing of current road segment, obtains ratio coefficient P;
S5 calibrates E.T.A: is multiplied with FACTOR P with follow-up each section estimated time of passing, is calibrated rear E.T.A;
S6 feeds back: exported to user by voice or display screen E.T.A after calibration;
Preferably, described acquisition user current location and true road conditions are to be obtained from gps satellite signal by gps antenna, electronic compass, gyroscope combination;
Preferably, described travelling data is sampled, and is connected the vehicle speed data obtaining instrument assembly with CAN by travelling data acquisition module.
9. method according to claim 8, it is characterised in that described input instruction also includes GPS set-up function, can set the various functions of GPS, and customer priorities is arranged.
10. method according to claim 8, it is characterized in that, also including the functions such as storage and USB connection, described memory module includes for storing each phonetic order performing correspondence set by instruction and storage electronic chart, and described phonetic order includes quick phonetic order;Described USB interface is used for connecting mobile phone and power module being powered.
CN201410835894.6A 2014-12-26 2014-12-26 Interaction-type intelligent GPS CN105788338A (en)

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CN108180922A (en) * 2018-01-26 2018-06-19 百度在线网络技术(北京)有限公司 A kind of navigation time assessment method, device, equipment and medium

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