CN111091709A - Navigation system based on wisdom road sticker - Google Patents
Navigation system based on wisdom road sticker Download PDFInfo
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- CN111091709A CN111091709A CN201911291181.7A CN201911291181A CN111091709A CN 111091709 A CN111091709 A CN 111091709A CN 201911291181 A CN201911291181 A CN 201911291181A CN 111091709 A CN111091709 A CN 111091709A
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- G—PHYSICS
- G08—SIGNALLING
- G08G—TRAFFIC CONTROL SYSTEMS
- G08G1/00—Traffic control systems for road vehicles
- G08G1/01—Detecting movement of traffic to be counted or controlled
- G08G1/0104—Measuring and analyzing of parameters relative to traffic conditions
- G08G1/0108—Measuring and analyzing of parameters relative to traffic conditions based on the source of data
- G08G1/0116—Measuring and analyzing of parameters relative to traffic conditions based on the source of data from roadside infrastructure, e.g. beacons
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- G—PHYSICS
- G08—SIGNALLING
- G08G—TRAFFIC CONTROL SYSTEMS
- G08G1/00—Traffic control systems for road vehicles
- G08G1/01—Detecting movement of traffic to be counted or controlled
- G08G1/0104—Measuring and analyzing of parameters relative to traffic conditions
- G08G1/0125—Traffic data processing
- G08G1/0133—Traffic data processing for classifying traffic situation
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- G—PHYSICS
- G08—SIGNALLING
- G08G—TRAFFIC CONTROL SYSTEMS
- G08G1/00—Traffic control systems for road vehicles
- G08G1/01—Detecting movement of traffic to be counted or controlled
- G08G1/0104—Measuring and analyzing of parameters relative to traffic conditions
- G08G1/0137—Measuring and analyzing of parameters relative to traffic conditions for specific applications
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- G—PHYSICS
- G08—SIGNALLING
- G08G—TRAFFIC CONTROL SYSTEMS
- G08G1/00—Traffic control systems for road vehicles
- G08G1/09—Arrangements for giving variable traffic instructions
- G08G1/0962—Arrangements for giving variable traffic instructions having an indicator mounted inside the vehicle, e.g. giving voice messages
- G08G1/0967—Systems involving transmission of highway information, e.g. weather, speed limits
- G08G1/096766—Systems involving transmission of highway information, e.g. weather, speed limits where the system is characterised by the origin of the information transmission
- G08G1/096783—Systems involving transmission of highway information, e.g. weather, speed limits where the system is characterised by the origin of the information transmission where the origin of the information is a roadside individual element
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- G—PHYSICS
- G08—SIGNALLING
- G08G—TRAFFIC CONTROL SYSTEMS
- G08G1/00—Traffic control systems for road vehicles
- G08G1/09—Arrangements for giving variable traffic instructions
- G08G1/0962—Arrangements for giving variable traffic instructions having an indicator mounted inside the vehicle, e.g. giving voice messages
- G08G1/0968—Systems involving transmission of navigation instructions to the vehicle
- G08G1/096805—Systems involving transmission of navigation instructions to the vehicle where the transmitted instructions are used to compute a route
- G08G1/096811—Systems involving transmission of navigation instructions to the vehicle where the transmitted instructions are used to compute a route where the route is computed offboard
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- G—PHYSICS
- G08—SIGNALLING
- G08G—TRAFFIC CONTROL SYSTEMS
- G08G1/00—Traffic control systems for road vehicles
- G08G1/09—Arrangements for giving variable traffic instructions
- G08G1/0962—Arrangements for giving variable traffic instructions having an indicator mounted inside the vehicle, e.g. giving voice messages
- G08G1/0968—Systems involving transmission of navigation instructions to the vehicle
- G08G1/096833—Systems involving transmission of navigation instructions to the vehicle where different aspects are considered when computing the route
- G08G1/096844—Systems involving transmission of navigation instructions to the vehicle where different aspects are considered when computing the route where the complete route is dynamically recomputed based on new data
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- Radar, Positioning & Navigation (AREA)
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- Life Sciences & Earth Sciences (AREA)
- Atmospheric Sciences (AREA)
- Mathematical Physics (AREA)
- Traffic Control Systems (AREA)
Abstract
A smart sticky-road based navigation system comprising: the system comprises a first client, an intelligent road sticker, a server and a second client; the intelligent road sticker is arranged on a road and used for acquiring vehicle information passing through the road and processing the vehicle information to obtain road condition information of the road; the server is used for generating at least one driving path based on the destination and the origin sent by the first client and the vehicle information and road condition information sent by the intelligent road sticker; the first client is used for sending the navigation path to the server, and the navigation path is selected from at least one driving path; and the second client is used for receiving the navigation path sent by the server, wherein the second client is selected by the server based on the origin. By adopting the navigation system based on the intelligent road sticker, a user can acquire a driving path generated by road condition information based on the intelligent road sticker as reference so as to select a proper navigation path.
Description
Technical Field
The invention relates to the technical field of road stickers, in particular to a navigation system based on an intelligent road sticker.
Background
With the development of economy, the living standard of people is higher and higher, automobiles gradually enter common families, and the quantity of the automobiles in various large, medium and small cities is in an explosive growth situation. The transportation tool facilitates the life of people, and navigation is needed to guide the vehicle to meet the requirements of riding and moving, so that an efficient and safe navigation system needs to be researched.
Disclosure of Invention
The invention aims to provide a navigation system based on intelligent road stickers, which can generate a driving path for a user to select according to acquired road condition information.
In order to solve the above problems, the present invention provides a navigation system based on intelligent road sticker, comprising: the system comprises a first client, an intelligent road sticker, a server and a second client; the intelligent road sticker is arranged on a road and used for acquiring vehicle information passing through the road and processing the vehicle information to obtain road condition information of the road; the server is used for generating at least one driving path based on the destination and the origin sent by the first client and the vehicle information and road condition information sent by the intelligent road sticker; the first client is used for sending a navigation path to the server, and the navigation path is selected from the at least one driving path; the second client is used for receiving the navigation path sent by the server, wherein the second client is selected by the server based on the origin.
Further, the vehicle information includes a speed of the vehicle; the road condition information comprises the state of the road and the average value of the speeds of vehicles passing through the road in a preset time interval; the intelligent road sticker is used for processing the vehicle information to obtain road condition information of the road, and the road condition information comprises the following steps: comparing with a preset speed value based on the average value; if the average value is smaller than or equal to the preset speed value, the intelligent road sticker determines that the road state is congested; and if the average value is larger than the preset speed value, the intelligent road sticker determines that the state of the road is normal.
Further, the second client is arranged on the vehicle and is further used for broadcasting the navigation path in a voice mode; the vehicle is automatically driven to the destination based on the navigation path.
Further, the second client is further configured to send the location of the second client to the server; and the server side is matched with the navigation path based on the position, and if the position is not in any road section of the navigation path, the server side sends warning information to the first client side.
Further, a third client is also included; and if the position is not in any road section of the navigation path, the server side sends warning information to the third client side related to the first client side.
Further, the second client corresponds to a vehicle; the intelligent road sticker is further used for obtaining a license plate of the vehicle corresponding to the second client side, and the intelligent road sticker sends the position of the intelligent road sticker and the license plate of the vehicle to the server side; the server side is matched with the navigation path based on the position of the intelligent road sticker, and if the position is not located in any road section of the navigation path, the server side sends warning information to the first client side.
Further, the first client is arranged on a first mobile terminal, and the first mobile terminal is provided with a Bluetooth sensor and is used for being connected with the Bluetooth sensor of the intelligent road sticker; and the first client receives the warning information sent by the server based on the Bluetooth sensor of the first mobile terminal.
Further, the traffic information includes a state of the road and a first speed average of vehicles passing through the road within a preset time interval; the server determines the time for the vehicle to pass through the road based on the first speed average and the length of the road, and determines the passing time of each navigation path based on the time for the vehicle to pass through the road; the server is further used for generating a first running path list when the navigation paths are multiple, and the server sends the first running path list to the first client; the list of first travel paths is sorted from low to high according to the transit time.
Further, the first travel path list includes the sections traveled, the time expected to be used by each section, the first speed average value by each of the sections, the state of the road; the first client is further used for generating a second driving path list based on the instruction input by the user.
Further, the system also comprises a video acquisition module for acquiring a road surface video of the road; the server comprises a monitoring module, an analysis module and a second communication module; the monitoring module receives and processes the road surface video sent by the video acquisition module to generate the passing time of each vehicle passing through the road section; the analysis module calculates a second average speed value based on the length of the road section and the passing time of the vehicle; acquiring a third speed average value based on the first speed average value, the second speed average value and a preset confidence weighted average; acquiring the predicted passing time of the vehicle passing through the road section based on the third speed average value and the length of the road section; generating a third driving path list based on the predicted passing time, wherein the third driving path list is sorted from low to high according to the predicted passing time; and the second communication module sends the third navigation list to the first client.
The technical scheme of the invention has the following beneficial technical effects:
the intelligent road sticker provided by the embodiment of the invention can accurately acquire road condition information, the server generates a driving route based on the road condition information, the first user can select the most appropriate navigation route according to the road condition information based on a plurality of driving routes, the server pushes the navigation route to the second client, so that the second user corresponding to the second client drives according to the navigation route selected by the first user, the first user does not need to communicate with the driving route with the second user, the navigation route is selected by the first user according to the road condition information, the first user has certain knowledge about the traffic condition and the predicted driving time of the navigation route, when the road condition of the navigation is congested, the second user cannot complain about the second user, in addition, the second user only needs to drive according to the route determined by the first user, and does not need to consider the road condition information and the traffic condition by the second user, the work of the second user is facilitated.
In an embodiment of the invention, when the server side acquires that the position of the second client side is not in the road section in the navigation path, the server side sends out the warning information to prompt the first user or a third user related to the first user, so that the navigation safety is improved.
Drawings
FIG. 1 is a schematic diagram of an intelligent road sticker according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of a navigation system based on intelligent road stickers according to an embodiment of the present invention.
Reference numerals:
1: a first client; 2: an intelligent road sticker; 21: a sensor module; 22: a processing module; 23: a first communication module; 24: a thermal insulation layer; 25: a compression-resistant coating; 26: a moisture barrier; 27: a first drive assembly; 28: a second drive assembly; 3: a server side; 4: and the second client.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in further detail with reference to the accompanying drawings in conjunction with the following detailed description. It should be understood that the description is intended to be exemplary only, and is not intended to limit the scope of the present invention. Moreover, in the following description, descriptions of well-known structures and techniques are omitted so as to not unnecessarily obscure the concepts of the present invention.
It is to be understood that the embodiments described are only a few embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In addition, the technical features involved in the different embodiments of the present invention described below may be combined with each other as long as they do not conflict with each other.
Fig. 1 is a schematic structural diagram of an intelligent road sticker according to an embodiment of the present invention.
As shown in fig. 1, a first embodiment of the present invention provides an intelligent road sticker 2, wherein the intelligent road sticker 2 is disposed on a road or around the road, and mainly comprises a sensor module 21, a processing module 22 and a first communication module 23.
The sensor module 21 is used for acquiring vehicle information of a passing road (a road provided with the intelligent road sticker 2); the processing module 22 is configured to process the vehicle information to obtain road condition information of the road; the first communication module 23 is configured to send the traffic information to the server 3.
Optionally, the sensor module 21 includes various sensors, which can be used to collect environmental information and vehicle information of vehicles in a certain range of roads. The environmental information may include temperature, humidity, luminosity, wind speed, etc. information of the road and the surroundings of the road. The vehicle information may include information such as the number of vehicles, the speed of the vehicle, the number of the vehicles, and the time of acquisition that the smart sticker 2 can acquire through the sensor.
Optionally, the serial number of the vehicle is a corresponding serial number obtained after the relevant information of the vehicle is pre-stored in the service end 3, and the corresponding serial number may be a sequential serial number of the relevant information stored in the vehicle, or a serial number according to a vehicle classification. This arrangement facilitates vehicle management and identification of the intelligent road sticker 2. The relevant information of the vehicle includes a vehicle model, a vehicle type, a license plate number of the vehicle, owner information of the vehicle, and the like.
The sensor module 21 includes at least: bluetooth sensor, temperature sensor, humidity transducer and speed sensor.
The temperature sensor is used for acquiring road temperature data. The temperature information may be a road surface temperature of the road or a temperature around the road. The humidity sensor is used for acquiring road humidity data. The humidity information may be road surface humidity of the road or humidity around the road. The speed sensor is used for acquiring the speed of a vehicle passing through a road.
Optionally, the sensor module 21 may further include a wind speed sensor for acquiring road wind speed data.
Optionally, the sensor module 21 may further include an infrared sensor for recognizing the vehicle at night.
Optionally, the sensor module 21 may further include an air pressure sensor for acquiring road air pressure data.
The surface of the intelligent road sticker 2 is provided with a heat insulation layer 24, a compression resistant coating 25 and a moisture-proof layer 26. With the compression-resistant coating 25 being disposed outermost. Specifically, the heat insulation layer 24 is used for blocking external heat from being transmitted to the intelligent road sticker 2, so that the temperature of the intelligent road sticker 2 is not too high; the compression-resistant coating 25 is prepared by mixing a multi-walled carbon nanotube, an exfoliating graphite nano platelet and a nano carbon filler, and protects the intelligent road sticker 2 by using a piezoresistive principle caused by the change of the size of a nano carbon isotope; the dampproof course 26 is used for blockking outside moisture or water entering wisdom way subsides 2, guarantees that wisdom way subsides 2 can not receive the influence of moisture content, increase of service life.
Optionally, the intelligent road sticker 2 includes a first driving component 27 connected to the processing module 22, when the temperature sensor detects that the temperature on the surface of the intelligent road sticker 2 is higher than a first preset value, the processing module 22 sends a first control signal to the first driving component 27, and the driving component drives the heat insulation layer 24 to move based on the control signal, so that the heat insulation layer 24 is located on the upper surface of the intelligent road sticker 2;
optionally, wisdom road sticker 2 includes second drive assembly 28 with processing module 22 is connected, and when humidity sensor detected that humidity is greater than the second preset value, control signal sent second control signal to second drive assembly 28, and second drive assembly 28 drives dampproof course 26 based on second control signal and removes, so that dampproof course 26 is located wisdom road sticker 2's surface.
Optionally, the intelligent road sticker 2 includes a first driving component 27 connected to the processing module 22 and a second driving component 28 connected to the processing module 22, when the temperature sensor detects that the temperature of the surface of the intelligent road sticker 2 is higher than the first preset value, the processing module 22 sends a first control signal to the first driving component 27, and the driving component drives the heat insulation layer 24 to move based on the control signal, so that the heat insulation layer 24 is located on the upper surface of the intelligent road sticker 2; when humidity sensor detects that humidity is greater than the second preset value, control signal sends second control signal for second drive assembly 28, and second drive assembly 28 drives dampproof course 26 based on second control signal and removes, so that dampproof course 26 is located the surface of wisdom way subsides 2.
Optionally, when both insulation 24 and moisture barrier 26 are provided, the insulation 24 is located outside the moisture barrier 26.
Optionally, the smart road sticker 2 further includes a storage portion, which may be a cavity housing, disposed around the smart road sticker 2, and corresponding to the first driving component 27, the second driving component 28, the heat insulation layer 24 and the moisture-proof layer 26, when the first driving component 27 needs to move the heat insulation layer 24 and the second driving component 28 needs to move the moisture-proof layer 26, the heat insulation layer 24 and the moisture-proof layer 26 are made to translate into the storage portion from the surface of the smart road sticker 2, or the heat insulation layer 24 and the moisture-proof layer 26 are made to translate into the surface of the smart road sticker 2 from the storage portion. Set up like this and to have guaranteed the removal space of insulating layer 24 and dampproof course 26 to insulating layer 24 and dampproof course 26 can be removed to the environment of difference, carry out corresponding switching and remove, guarantee that wisdom road subsides 2 normally work in abominable environment.
The intelligent road sticker 2 performs corresponding matching according to the set geographic position and the influence of the surrounding environmental factors. For example, in a region with a large temperature difference, the material of the smart road sticker 2 may be made of a material with a large specific heat capacity, and different functional components may be loaded in a targeted manner. The normal operation of wisdom road subsides 2 has been guaranteed on the one hand, and on the other hand can prolong the life of wisdom road subsides 2, practices thrift use cost.
Fig. 2 is a schematic structural diagram of a navigation system based on intelligent road stickers according to an embodiment of the present invention.
In another embodiment of the present invention, as shown in fig. 2, there is provided a navigation system based on intelligent road stickers, which includes: the system comprises a first client 1, an intelligent road sticker 2, a server 3 and a second client 4.
The intelligent road sticker 2 is arranged on a road, and the intelligent road sticker 2 is used for acquiring vehicle information passing through the road and processing the vehicle information to obtain road condition information of the road; the server 3 is used for generating at least one driving path based on the destination and the origin sent by the first client 1 and the vehicle information and road condition information sent by the intelligent road sticker 2; the first client 1 is used for sending a navigation path to the server 3, and the navigation path is selected from at least one driving path; and the second client 4 is used for receiving the navigation path sent by the server 3, wherein the second client 4 is selected by the server 3 based on the origin.
Preferably, the vehicle information includes a speed of the vehicle; the road condition information comprises the average value of the state of a road and the speed of vehicles passing through the road in a preset time interval; the intelligent road sticker 2 processes the vehicle information to obtain road condition information of the road, and comprises the following steps: comparing with a preset speed value based on the average value; if the average value is less than or equal to the preset speed value, the intelligent road sticker 2 determines that the road state is congested; if the average value is greater than the preset speed value, the intelligent road sticker 2 determines that the state of the road is normal.
The traffic information includes a state of the road and an average value of speeds of vehicles passing through the road within a preset time interval.
The intelligent road sticker 2 processes the vehicle information to obtain road condition information of the road, and comprises the following steps: comparing with a preset speed value based on the average value (speed); if the average value is less than or equal to the preset speed value, the intelligent road sticker 2 determines that the road state is congested; if the average value is greater than the preset speed value, the intelligent road sticker 2 determines that the state of the road is normal.
In one embodiment, 10 intelligent road stickers 2 are uniformly embedded on a road surface with a total length of 100M, which are respectively a first intelligent road sticker 2, a second intelligent road sticker 2 and a tenth intelligent road sticker 2, vehicles with vehicle numbers of 0001, 0002 and 0003 sequentially pass through the first intelligent road sticker 2, a speed sensor of the first intelligent road sticker 2 acquires the speed of the vehicles passing through within a preset time period of 10 minutes, and the speeds of the vehicles sequentially acquired by the first intelligent road sticker 2 are respectively 20M/S, 21M/S and 19M/S. The average value of the speeds acquired by the smart road sticker 2 is (20+21+ 19)/3-20M/S, i.e. 72 km/h.
Optionally, the preset time is not fixed and unchanged, and can be changed according to the actual condition of the road, so that the road condition information can be obtained in time. The factors for changing the preset time include the number of passing vehicles, an average value (speed), a preset speed value, environmental information, road condition information, and the like.
Based on the above embodiment, if the preset speed value of the road is 60km/h, the average value of the speeds of 72km/h is greater than the preset speed value, and the intelligent road sticker 2 determines that the state of the road section is normal, it can be understood that the road section is not traffic jam. If the average value of the speed of the vehicle is 75M/S, the average value of the speed of 72km/h is smaller than the preset speed value, and the intelligent road sticker 2 determines that the state of the road section is congestion, and it can be understood that there is a possibility of traffic congestion or traffic congestion in the road section. After a vehicle with the vehicle number 0001 passes through the intelligent road stickers 2, road condition information obtained by all the intelligent road stickers 2 forms road condition information of a road with the total length of 100M. Each intelligent road sticker 2 sends the road condition information to the server 3, and the server 3 sends the processed driving path to the first client 1.
It will be appreciated that the first client 1 and the second client 4 are the same APP client, but different users are used.
In one embodiment, the user of the first client 1 may be a general user, i.e. a decision maker of the navigation path, and the first client 1 is disposed on a mobile terminal such as a mobile phone, a tablet, a smart watch, and the like. The user of the second client 4 may be a driver and the second client 4 may be provided on a mobile phone, tablet, smart watch or car.
In another embodiment, the user of the first client 1 may be a vehicle occupant, which sends the origin a and the destination B to the server 3 through the first client 1 (mobile APP), the server 3 may determine all paths from the origin a to the destination B, then retrieve the traffic information of all the paths, the traffic information is obtained by the intelligent route sticker 2 on the corresponding path, generate at least one traveling path based on the origin a and the destination B and the traffic information of the corresponding path, and send the at least one traveling path to the first client 1 through the network, the first client 1 selects the navigation path according to its own requirement, for example, the first user may select the shortest expected traveling time of a traveling path on the first client, or select a specific route or place, or select the most smooth path of the traveling path according to its own requirement, which may be selected based on a variety of reference factors. After the first client 1 sends the navigation path selected by the first user to the server 3, the server 3 selects the most suitable second client 4 from the origin or the vicinity of the origin, and sends the navigation path to the second client 4. The user of the second client 4 (hereinafter referred to as a second user) is, for example, a taxi driver, receives the navigation path selected by the first client 1 through the second client, drives to the origin a to receive the first user (of course, other users may be available) corresponding to the first client 1, and then the second user travels to the destination B according to the navigation path selected by the first user.
Optionally, the second client 4 is further configured to send its location to the server 3; the server 3 matches with the navigation path based on the position, and if the position is not in any road section of the navigation path, the server 3 sends the warning information to the first client 1.
In another embodiment, the second client 4 sends its location to the server 3 periodically or in real time, so that the server 3 matches the location of the second client 4 with the navigation path. Alternatively, a comparative matching form may be adopted, and when the position of the second client 4 is not in any section of the navigation path, that is, the position of the second client 4 deviates from the navigation path or deviates from a predetermined range, the server 3 sends the warning message to the first client 1.
Optionally, the server 3 may send a warning short message to the first client 1, the server 3 may dial a warning call to the first client 1, and the server 3 may also send warning information to the first user through another communication tool, for example, the server pushes the warning information to a WeChat, a QQ, and the like corresponding to the first user. Through the matching of the position of the second client 4 and the navigation path, when the position of the second client 4 is not in any section of the navigation path, the alarm information can be sent to the first client 1 at the first time, and the safety of the passenger can be confirmed at the first time so as to avoid accidents.
Optionally, a third client is further included; if the vehicle position provided with the second client 4 is not in any road section of the navigation path, the server 3 sends the warning information to a third client associated with the first client 1.
In another embodiment, the user of the third client may be a user of an APP client that is the same as the first client 1 and the second client 4, the first user sets the third user corresponding to the third client as a friend or a designated contact on the first client 1 in advance, and the server 3 may send the warning information to the third client when the position of the vehicle corresponding to the second client 4 is not in any road segment of the navigation path. Wherein the first user may not be a person riding in the vehicle of the second user and the third user may be a person actually riding in the vehicle of the second user, i.e. a person actually going from the origin to the destination.
Preferably, the second client 4 corresponds to a vehicle; the intelligent road sticker 2 is also used for acquiring a license plate of a vehicle corresponding to the second client 4, and the intelligent road sticker 2 sends the position of the intelligent road sticker and the license plate of the vehicle to the server 3; the server 3 matches the navigation path based on the position of the intelligent road sticker 2, and if the position is not in any road section of the navigation path, the server 3 sends the warning information to the first client 1.
In another embodiment, the second client 4 stores information of the corresponding vehicle in the server 3 in advance, and the correspondence relationship between the second client 4 and the vehicle is unique, that is, the second client 4 corresponds to the unique vehicle. The passenger can confirm the vehicle information corresponding to the second client terminal 4 before getting on the vehicle, so that the vehicle getting on by mistake is prevented, accidents are avoided, and the safety of the passenger can be ensured.
Optionally, the first client 1 is arranged on a first mobile terminal, and the first mobile terminal is provided with a bluetooth sensor and is used for being connected with a bluetooth sensor of the intelligent road sticker 2; the first client 1 receives the warning information sent by the server 3 based on the bluetooth sensor of the first mobile terminal.
In another embodiment, the first client 1 may set a timing or interval period to acquire the location of the second client 4, when the first client 1 cannot acquire the location of the second client 4 through the network of the first mobile terminal, the first client may be connected to the bluetooth sensor of the smart route sticker 2 through the bluetooth sensor of the first mobile terminal, the server 3 sends the acquired location or warning information of the second client 4 to the smart route sticker 2, and then sends the location or warning information of the second client 4 to the first client 1 through the smart route sticker 2 bluetooth-connected to the first client 1. Also can realize transmitting information through the bluetooth connection between the wisdom road sticker 2.
Optionally, the road condition information includes a state of the road and a first speed average of vehicles passing through the road within a preset time interval; the server 3 determines the time of the vehicle passing through the road based on the first speed average value and the length of the road, and determines the passing time of each navigation path based on the time of the vehicle passing through the road; the server 3 is further configured to generate a first travel path list when the navigation path is multiple, and the server 3 sends the first travel path list to the first client 1; the list of first travel paths is ordered from low to high by transit time.
In another embodiment, the first client 1 sends the origin and destination to the server over the network. The server 3 can confirm all possible routes from the origin to the destination, and generate a driving route according to the road condition information provided by the intelligent road sticker 2 of the corresponding road. Supposing that the server 3 generates three driving paths, namely a driving path a, a driving path B and a driving path C, and the environmental information of the three driving paths are all suitable traveling environments, such as proper temperature, no wind, no rain and the like, or displays corresponding parameter values for the driver to refer to; the preset time interval can be within 20 minutes or within 10 minutes, and the preset time can be automatically adjusted according to the road condition.
Optionally, when the average speed value of all vehicles on the road is lower than a preset speed value for a long time (during long-time traffic jam), the preset time can be shortened correspondingly, so that the first user can quickly grasp the road condition information of the road, and can conveniently and timely select a corresponding navigation path.
For example, the lengths of the three travel paths are assumed to be 100km, 120km and 140km, respectively, the average values of the first speeds of the corresponding travel paths obtained through the smart road sticker 2 are 50km/h, 24km/h and 100km/h, respectively, the predicted passing time of the corresponding travel paths is 2h, 5h and 1.4h, respectively, and the server 3 generates a list of the first travel paths based on the above information and then transmits the list to the first client 1. Generating a list of first travel paths ordered by time of passage from low to high, as shown in table 1 below:
TABLE 1
Optionally, the first travel path list includes the traveled road segments, the time expected to be used by each road segment, the first speed average by each of the road segments, and the state of the road.
Alternatively, the instructions input by the user may include ranking from low to high according to a first speed average, ranking from normal to congested according to a road status, and the like.
Optionally, the first travel path list includes the road segments traveled, the time expected to be used by each road segment, the first speed average value by each road segment, and the state of the road; the first client 1 is further configured to generate a second travel path list based on the instruction input by the user.
The first client 1 may transmit an instruction to generate the second travel path list to the server 3 based on an instruction input by the user. Specifically, the list of the first travel routes is arranged from low to high according to the route, and the generated second travel route list is the second travel route shown in the following table 2:
TABLE 2
Optionally, the navigation system based on the intelligent road sticker further comprises a video acquisition module, which is used for acquiring a road surface video of the road; specifically, a camera device may be provided at an appropriate position of the road to acquire a road surface video of the road. The server 3 comprises a monitoring module, an analysis module and a second communication module; the monitoring module receives and processes the road surface video sent by the video acquisition module to generate the passing time of each vehicle passing through the road section; an analysis module calculating a second speed average value based on the length of the link and the passing time of the vehicle; acquiring a third speed average value based on the first speed average value, the second speed average value and a preset confidence weighted average; acquiring the predicted passing time of the vehicle passing through the road section based on the third speed average value and the length of the road section; generating a third driving path list based on the predicted passing time, wherein the third driving path list is sorted from low to high according to the predicted passing time; and the second communication module sends the third navigation list to the first client.
In another embodiment, at the beginning and the end of a road with a distance of 1200M, there are provided camera devices respectively for identifying and acquiring the time when the corresponding vehicle passes through the road. When the vehicle with the vehicle number of 0002 passes through the initial position and the end position of the road, the time recorded by the camera device is 12 hours, 10 minutes and 5 seconds and 12 hours, 11 minutes and 5 seconds respectively, and after the information is acquired by the submodules, the average speed of the second speed of the vehicle with the vehicle number of 0002 passing through the road can be calculated to be 20M/s based on the numerical value.
Optionally, the third speed average value is obtained based on the first speed average value, the second speed average value and a preset confidence weighted average.
In another embodiment, it is assumed that the first speed average speed value obtained by the intelligent road sticker 2 is 18M/s, the second speed average speed value obtained by the image capturing device is 20M/s, and the preset confidence is 1:1, that is, the third speed average value is 19M/s by averaging the two values.
Optionally, the preset confidence may be adaptively adjusted according to a change in the environment.
In another embodiment, in some areas with heavy sand, dust or floating objects in the air are too large or too much, the shooting environment of the camera device deteriorates, the shooting effect of the camera device does not meet the preset requirement, and the preset confidence may be adjusted, for example, the preset confidence may be adjusted to 0: 1, that is, the second speed average speed value obtained by the image capturing device is not considered at all, and according to the preset confidence, as can be seen from the above embodiment, the third speed average value is the second speed average speed value, that is, 20M/s.
In another embodiment, different from the previous embodiment, in the case where the smart road sticker 2 is seriously damaged and the obtained first speed average speed value is completely unreliable, the preset confidence level may be adjusted to 1: 0, i.e. the first speed average speed value obtained by the image capturing device is not considered at all, and according to the preset confidence level, as can be seen from the above embodiment, the third speed average value is the second speed average speed value, i.e. 18M/s.
By combining the two situations, namely, the external environment has certain interference on the image pickup effect of the image pickup device, and the intelligent road sticker 2 also has certain uncertainty, the preset confidence coefficient can be adjusted to be 1:3 according to the actual situation, and the average value of the third speed is 19.5M/s according to the preset confidence coefficient.
Acquiring the predicted passing time of the vehicle passing through the road section based on the third speed average value and the length of the road section; generating a third driving path list based on the predicted passing time, wherein the third driving path list is sorted from low to high according to the predicted passing time; the second communication module sends the third navigation list to the first client 1.
When the second client 4 is arranged on the vehicle, the second client 4 is also used for voice broadcasting of the navigation path; the vehicle is automatically driven to the destination based on the navigation path.
In another embodiment, the first client 1 selects the third navigation list as the navigation path and sends the navigation path to the second client. The second client 4 is arranged on the vehicle, and after receiving the navigation path, the second client 4 also generates corresponding navigation voice or navigation information for navigating a second user; the second user may also operate the vehicle into an autonomous driving mode, the vehicle being autonomously driven to a destination based on the navigation path.
The technical scheme of the invention has the following beneficial technical effects:
the intelligent road sticker provided by the embodiment of the invention can accurately acquire road condition information, the server generates a driving route based on the road condition information, the first user can select the most appropriate navigation route according to the road condition information based on a plurality of driving routes, the server pushes the navigation route to the second client, so that the second user corresponding to the second client drives according to the navigation route selected by the first user, the first user does not need to communicate with the driving route with the second user, the navigation route is selected by the first user according to the road condition information, the first user has certain knowledge about the traffic condition and the predicted driving time of the navigation route, when the road condition of the navigation is congested, the second user cannot complain about the second user, in addition, the second user only needs to drive according to the route determined by the first user, and does not need to consider the road condition information and the traffic condition by the second user, the work of the second user is facilitated.
In an embodiment of the invention, when the server side acquires that the position of the second client side is not in the road section in the navigation path, the server side sends out the warning information to prompt the first user or a third user related to the first user, so that the navigation safety is improved.
The invention has been described above with reference to embodiments thereof. However, these examples are for illustrative purposes only and are not intended to limit the scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof. Various alternatives and modifications can be devised by those skilled in the art without departing from the scope of the invention, and these alternatives and modifications are intended to be within the scope of the invention.
Claims (10)
1. A navigation system based on wisdom road sticker, its characterized in that includes: the system comprises a first client (1), an intelligent road sticker (2), a server (3) and a second client (4);
the intelligent road sticker (2) is arranged on a road, and the intelligent road sticker (2) is used for acquiring vehicle information passing through the road and processing the vehicle information to obtain road condition information of the road;
the server (3) is used for generating at least one driving path based on the destination and the origin sent by the first client (1) and the vehicle information and road condition information sent by the intelligent road sticker 2;
the first client (1) is used for sending a navigation path to the server (3), and the navigation path is selected from the at least one driving path;
the second client (4) is used for receiving the navigation path sent by the server (3), wherein the second client (4) is selected by the server (3) based on the origin.
2. The intelligent road sticker-based navigation system of claim 1,
the vehicle information includes a speed of the vehicle;
the road condition information comprises the state of the road and the average value of the speeds of vehicles passing through the road in a preset time interval;
the intelligent road sticker (2) is used for processing the vehicle information to obtain road condition information of the road, and the road condition information comprises the following steps:
comparing with a preset speed value based on the average value;
if the average value is smaller than or equal to the preset speed value, the intelligent road sticker (2) determines that the road is congested;
and if the average value is larger than the preset speed value, the intelligent road sticker (2) determines that the state of the road is normal.
3. The intelligent road sticker-based navigation system of claim 2,
the second client (4) is arranged on the vehicle, and the second client (4) is also used for broadcasting the navigation path in a voice mode;
the vehicle is automatically driven to the destination based on the navigation path.
4. The intelligent road sticker-based navigation system of any one of claims 1-3,
the second client (4) is also used for sending the position thereof to the server (3);
the server (3) is matched with the navigation path based on the position, and if the position is not in any road section of the navigation path, the server (3) sends warning information to the first client (1).
5. The system of claim 4, further comprising a third client;
if the position is not in any road section of the navigation path, the server (3) sends warning information to the third client associated with the first client (1).
6. The intelligent road sticker-based navigation system of claim 1 or 2,
the second client (4) corresponds to a vehicle;
the intelligent road sticker (2) is further used for obtaining a license plate of a vehicle corresponding to the second client (4), and the intelligent road sticker (2) sends the position of the intelligent road sticker and the license plate of the vehicle to the server (3);
the server (3) is matched with the navigation path based on the position of the intelligent road sticker (2), and if the position is not in any road section of the navigation path, the server (3) sends warning information to the first client (1).
7. The intelligent road sticker-based navigation system of claim 3 or 6,
the first client (1) is arranged on a first mobile terminal, and the first mobile terminal is provided with a Bluetooth sensor and is used for being connected with the Bluetooth sensor of the intelligent road sticker (2);
the first client (1) receives the warning information sent by the server (3) based on the Bluetooth sensor of the first mobile terminal.
8. The intelligent road sticker-based navigation system of claim 2, wherein the road condition information comprises a state of the road and a first speed average of vehicles passing through the road within a preset time interval;
the server (3) determines the time of a vehicle passing through the road based on the first speed average value and the length of the road, and determines the passing time of each navigation path based on the time of the vehicle passing through the road;
the server (3) is further configured to generate a first travel path list when the navigation path is multiple, and the server (3) sends the first travel path list to the first client (1);
the list of first travel paths is sorted from low to high according to the transit time.
9. The intelligent road sticker-based navigation system of claim 8,
the first travel path list includes a travel link, a time expected to be used through each link, the first speed average through each of the links, a state of a road;
the first client (1) is further used for generating a second travel path list based on the instruction input by the user.
10. The intelligent road sticker-based navigation system as claimed in claim 8, further comprising a video acquisition module for acquiring a road surface video of the road;
the server (3) comprises a monitoring module, an analysis module and a second communication module;
the monitoring module receives and processes the road surface video sent by the video acquisition module to generate the passing time of each vehicle passing through the road section;
the analysis module calculates a second average speed value based on the length of the road section and the passing time of the vehicle;
acquiring a third speed average value based on the first speed average value, the second speed average value and a preset confidence weighted average;
acquiring the predicted passing time of the vehicle passing through the road section based on the third speed average value and the length of the road section;
generating a third driving path list based on the predicted passing time, wherein the third driving path list is sorted from low to high according to the predicted passing time;
the second communication module sends the third navigation list to the first client (1).
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