TWI625259B - Method and system for detecting driving situation by mobile device - Google Patents

Abstract

The present invention discloses a method and system for detecting a driving situation by using a mobile device, and refers to a smart mobile communication device, which is equipped with a Bluetooth device installed in a vehicle, and collects information collected by the mobile device, and is matched with the GIS road network information. By performing a comparative analysis, it is possible to detect a method that is currently in various driving situations. The system includes a vehicle environment detection module, a driving situation detection module, and a speed matching module. The information collected by the mobile device includes Bluetooth pairing information and GPS information. This method detects a variety of driving situations, including driving situations, not driving situations, leaving driving situations, etc., and using its context changes can be extended to other additional services, such as entering driving situations, launching mobile device navigation software, leaving driving situations. Turn off navigation software, etc.

Description

Method and system for detecting driving situation by mobile device

The invention belongs to a mobile device detecting method and a system thereof, and uses a smart mobile communication device and a car-mounted blue-and-white device to detect the situation in which the user is currently traveling.

In the past technical field, driving detection mostly uses whether the average speed of GPS movement of mobile devices reaches a threshold to determine whether it is moving forward. In addition, whether the mobile base station has the mobile device to enter, and the method of callback or short message inquiry The device determines whether the user is unable to return the above-mentioned inquiry content because of busy driving to determine whether or not the driver is driving.

In view of the shortcomings derived from the above-mentioned conventional methods, the inventor of the present invention has improved and innovated, and after years of painstaking research, he finally succeeded in researching and developing the mobile device situation detection method and system.

In order to achieve the above object, the present invention provides a method and system for detecting a driving situation by using a mobile device, which mainly includes an in-vehicle device including a vehicle Bluetooth unit, and a mobile device end including an in-vehicle environment detecting module. The utility model comprises an in-vehicle environment detecting unit, which is a device connecting or disconnecting a device for receiving a mobile device Bluetooth and a car Bluetooth unit, and analyzing the connection or disconnection with the device. If the result is notified to the driving situation judging unit, the in-vehicle device information repository is to detect whether the connected in-vehicle device is stored in the in-vehicle device information repository, and if not, to store the device information; The group includes a GPS processing unit for collecting GPS information on the mobile device for data pre-processing, and transmitting the processed message to the back-end one-speed matching unit through the wireless network; the first speed matching unit is receiving GPS processing The unit processes the post-processed information and performs the legal speed analysis of the GIS road network segment where the location is located; the one-line vehicle situation judging unit is the result of the analysis of the receiving speed matching unit, and is combined with the vehicle environment detecting unit of the vehicle environment detecting module. The received result determines the driving situation; a wireless device includes a wireless device Bluetooth unit and a wireless device GPS unit.

The speed matching unit is connected with a GIS road network database to find the corresponding road network data in the GPS effective positioning data; the driving situation judging unit judges the final driving situation result and provides the in-vehicle device The application unit and the mobile device application unit, the in-vehicle device application unit, are for starting or closing the driving recorder, the car multimedia audio-visual, navigation, mobile device application unit, is for starting multimedia music.

A mobile device for detecting driving situation, including: mobile device information gathering, using mobile device for information gathering; mobile device information analysis for information analysis, obtaining speed matching results and vehicle environment detection results; The situation judgment is to judge the driving situation by the speed matching result and the vehicle environment detection result; the action situation judgment result is the result of the driving situation judgment, and the driving situation state change information is supplied to other related systems or devices as the extension use. .

The mobile device end includes a vehicle environment detection module and a driving situation detection module, and the driving situation judgment is based on two conditions of the vehicle environment detecting unit and the driving situation judging unit to judge the driving situation, and the driving situation is divided into positioning. The data finds a corresponding road network data.

The detection method of the vehicle environment detection module includes: mobile device Bluetooth and vehicle equipment Bluetooth; connection or disconnection message; if the line is broken, the display is not in the vehicle; if the connection is made, the vehicle device exists The vehicle equipment information repository; if it is, it is displayed on the vehicle; if not, the vehicle equipment information is stored in the storage; displayed in the vehicle.

The above-mentioned mobile device Bluetooth and in-vehicle device Bluetooth detect the Bluetooth connection message for the vehicle environment detection unit, and analyze whether the message is a paired vehicle according to the pairing information of the repository, and its connection or disconnection The message is that the vehicle environment detection unit detects whether the mobile device Bluetooth and the Bluetooth device of the vehicle are connected to each other.

The driving situation detection module includes: GPS (Global Positioning System) message collection, GPS RAW DATA (raw data original data / original data) to remove Outlier (abnormal value / noise) message; GPS RAW DATA merges and stops floating; GPS valid messages.

The removal of the Outlier message refers to whether the GPS point position and the GPS point of one second before and after exceed the system specified threshold, such as 50m (50 meters), or whether the GPS point speed is more than one GPS point before and after. The threshold specified by the system, such as the difference of 40km / hr (40 kilometers per hour), or to determine the GPS point speed is too large, such as more than 180km / hr (180 kilometers per hour), the merger and stop drifting, refers to the system of the park area The threshold, for example, within a radius of 40m (40 meters), is regarded as a stop area, and the concentration is replaced by a GPS point.

The GPS valid message refers to the speed matching analysis after the processing is completed. The analysis method is as follows: GPS valid message; use the GPS message position coordinate to obtain the corresponding network segment speed limit; the GPS message speed matches the link speed limit; Equivalent or not; if yes, the display is in progress; if not, the display is not in progress.

The GPS message position coordinate obtains the speed limit of the corresponding road network segment, which is to obtain the corresponding road speed limit by using the GPS point position latitude and longitude to the GIS road network database, and the speed is equivalent or not, which refers to the absolute value of the judgment speed subtraction, absolutely Whether the value exceeds the threshold specified by the system, such as 40km/hr (40km per hour).

The invention provides a method and system for detecting driving situation by using a mobile device, and has the following advantages when compared with other conventional technologies:

1. The vehicle environment detecting module of the present invention, the Bluetooth device of the device on the car can be used whether it is built-in or externally connected to the car.

2. The speed matching unit of the present invention combines the speed with the speed limit of the corresponding position of the road network to analyze whether it is a driving path.

3. The driving situation judging method of the invention combines the detection result of the vehicle environment detecting unit with the result of the speed matching unit, and can analyze various driving situations, and the driving situation can be applied to various mobile devices and vehicle equipment applications.

S110~S140‧‧‧ Situational Process

S210~S270‧‧‧Car environment detection process

S310~S340‧‧‧GPS information pre-processing

S410~S460‧‧‧Speed matching analysis process

S510~S550‧‧‧ Driving situation judgment process

600‧‧‧Mobile device end

610‧‧‧Vehicle Environment Detection Module

611‧‧‧Vehicle Environment Detection Unit

612‧‧‧In-vehicle equipment information repository

620‧‧‧Wireless equipment

621‧‧‧Wireless Bluetooth Unit

622‧‧‧GPS unit

630‧‧‧ Driving Situation Detection Module

631‧‧‧GPS processing unit

632‧‧‧ speed matching unit

633‧‧‧ Driving situation judgment unit

640‧‧‧Vehicle device

641‧‧‧Car Bluetooth Unit

650‧‧‧GIS Road Network Database

660‧‧‧In-vehicle equipment application unit

670‧‧‧Mobile device application unit

The detailed description of the present invention and the accompanying drawings will be further understood, and the technical contents of the present invention and the functions thereof can be further understood. FIG. 1 is a schematic diagram of a method for detecting a driving situation by a mobile device according to the present invention and a system thereof. FIG. 2 is a flow chart of detecting a driving situation of a mobile device and a system for detecting the driving environment of the system; FIG. 3 is a GPS information pre-processing flow for detecting a driving situation by a mobile device and a system thereof FIG. 4 is a flow chart of a speed matching analysis method for detecting a driving situation by a mobile device and a system thereof; FIG. 5 is a flowchart of a driving situation determination method for a mobile device detecting method and a system thereof according to the present invention; 6 is a schematic structural diagram of a method for detecting a driving situation by a mobile device and a system thereof.

The present invention will be further described in detail below with reference to the accompanying drawings and embodiments. It is understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

Hereinafter, the present invention will be further described with reference to the accompanying drawings:

Referring to FIG. 1 , the present invention uses a mobile device to detect a driving situation method and a system flow chart thereof, including: S110 mobile device information gathering, which utilizes a mobile device for information gathering; S120 mobile device information analysis is for information analysis, and obtains speed matching results and vehicle environment detection results; S130 driving situation judgment is to judge the speed matching result and vehicle environment detection result; S140 action situation judgment result It is the result of the judgment of the driving situation. It is used to change the information of the driving situation and supply other related systems or devices as the extension.

The mobile device end includes a vehicle environment detecting module and a driving situation detecting module, and the driving situation judging unit judges the driving situation according to two kinds of data conditions of the vehicle environment detecting unit and the speed matching unit.

According to the above description, the information of the mobile device is collected, and then the information analysis is performed to obtain the speed matching result and the vehicle environment detection result, and then the speed matching result and the vehicle environment detection result are used for driving situation judgment, and then the driving situation judgment is generated. The result is information on the driving situation change status, which is provided to other related systems or devices for use as extensions, such as launching an application.

A mobile device is used for the data source and collection of the analyzed data, and the collected information is sent to the vehicle environment detection module and the driving situation detection module in the mobile device system, and the vehicle environment detection module detects The vehicle environment in which the mobile device is located, the driving situation detection module analyzes the GPS information, and the pre-processed GPS information is used to retrieve the speed information of the corresponding position from the back-end platform, and the speed-speed matching is performed, and the comparison result is integrated. A traffic situation detection result is generated; a back-end platform has a speed-matching module, and the GPS effective information processed by the mobile device is transmitted through the speed matching module, and the speed matching analysis is performed with the GIS image, and the matching result is transmitted back to The mobile device is used for the integrated situational judgment of the traffic situation detection module. When the user enters the vehicle to start driving or finish driving away from the vehicle, the system will automatically detect the driving situation. The state of the environment, providing mobile devices or other systems or devices that can be applied in a driving situation.

Please refer to FIG. 2 , which is a flow chart of detecting a driving situation of a mobile device and a detection environment of the vehicle environment thereof. The vehicle environment detecting module includes: S210 mobile device Bluetooth and S220 car equipment Bluetooth; S230 connection or disconnection message; if disconnected, S260 display is not in the car; if connected, whether the S240 vehicle device has an in-vehicle device information repository; if so, then S270 is displayed on the car; If not, S250 performs in-vehicle device information storage to the repository; S270 displays on the vehicle.

The above-mentioned mobile device Bluetooth and in-vehicle device Bluetooth detect the Bluetooth connection message for the vehicle environment detection unit, and analyze whether the message is a paired vehicle according to the pairing information of the repository, and its connection or disconnection The message is that the vehicle environment detection unit detects whether the mobile device Bluetooth and the Bluetooth device of the vehicle are connected to each other.

According to the above description, the in-vehicle device information storage stocks the mobile device Bluetooth device and the car Bluetooth device pairing message. When the vehicle environment detecting unit detects the Bluetooth connection message, the message is analyzed according to the pairing information of the repository. For the paired vehicles, it is in the car. Conversely, if the Bluetooth disconnection message is detected, the vehicle environment detection unit will determine that it is not in the car. This module is responsible for detecting the environment in the vehicle. The detection result is used by the driving situation judging unit of the driving situation detection module.

Please refer to FIG. 3, which is a mobile device for detecting driving in the present invention. The situational method and its system GPS information pre-processing flow chart, the driving situation detection module, the detection method includes: S310 GPS (Global Positioning System) message collection; S320 GPS RAW DATA (raw data raw data / original data) remove Outlier (abnormal value / noise) message; S330 GPS RAW DATA merge stop and so on; S340 GPS valid message.

The removal of the Outlier message refers to whether the GPS point position and the GPS point before and after one second exceed the system specified threshold, such as 50m (50 meters), or whether the GPS point speed is equal to or not before the GPS point of the system. If the threshold is specified, if the difference is 40km/hr (40km per hour), or if the GPS point speed is too large, such as more than 180km/hr (180km per hour), the combination will stop and float, which means that the system is designated by the stop zone system. The threshold, for example, within a radius of 40 m (40 m), is considered to be the stop zone, and the enrichment is replaced by a GPS point.

The mobile device detection unit mentioned above has a driving situation detection module, and the GPS processing unit in the module can detect and collect GPS information (including latitude and longitude, speed), and stop some vehicles due to poor GPS reception or just starting the vehicle. Wait for the drift or noise information processing caused by traffic lights.

The GPS effective message refers to the speed matching analysis after the processing is completed. Referring to FIG. 4, the present invention uses a mobile device to detect the driving situation method and a speed matching analysis flowchart thereof, and the analysis method is as follows: S410 GPS valid message; S420 uses the GPS message position coordinate to obtain the corresponding network segment speed limit; S430 GPS message speed matches the link speed limit; S440 speed is equivalent or not; If so, S450 is displayed in progress; if not, S460 is not in progress.

The GPS message position coordinate obtains the speed limit of the corresponding road network segment, which is to obtain the corresponding road speed limit by using the GPS point position latitude and longitude to the GIS road network database, and the speed is equivalent or not, which refers to the absolute value of the judgment speed subtraction, absolutely Whether the value exceeds the threshold specified by the system, such as 40km/hr (40km per hour).

The above-mentioned speed matching analysis is performed by the speed matching unit, which obtains the latitude and longitude information from the effective information processed by the GPS processing unit, and corresponds to the road segment through the wireless network and the GIS road network data, and converts the GPS latitude and longitude information into the road segment. Information, then you can find the speed limit of the corresponding road segment, and the speed limit is transmitted back to the speed information matching unit and the speed information of the GPS. The flow is shown in Figure 4. The matching analysis result will be in progress, not in progress; the result is transmitted. The driving situation judging unit at the mobile device side performs the next driving situation judgment.

Referring to FIG. 5, the present invention uses a mobile device to detect a driving situation method and a driving situation determination flowchart thereof, a result of an in-vehicle environment detecting unit and a result of a speed matching unit, and the information of the two is combined to determine the location of the mobile device. Kind of driving situation. According to the information, a variety of driving situations and state changes can be identified, in the driving situation, not in the driving situation, leaving the driving situation.

The S510 vehicle environment detecting unit detection result and the S520 speed matching unit result are judged by the driving situation determining unit 633, and it can be known whether the driving situation is currently, and the S520 vehicle environment detecting unit detects the result in the vehicle or not. The result of the on-board and S540 speed matching unit is in progress and not in progress, and the result is determined according to the above intersection S550 as follows:

1. In the car, and on the road, is the driving situation;

2. In the car, and not on the road, the GPS speed is different from the corresponding speed limit of the road. For example, the speed is 0. It may be that the user is in the car but there is no line. Driving a vehicle is not a driving situation.

3. Not in the car, the GPS speed and the road corresponding speed limit may be the same, it may be that the GPS information drifts, the user does not drive the vehicle in the car, not the driving situation.

4. Not in the car, and not on the road, expressed as leaving the driving situation.

The driving situation result judged by the driving situation judging unit can be used for other application services and functions such as application functions on the in-vehicle device (such as starting or closing the driving recorder, car multimedia video, navigation) or mobile device application functions (for example, starting multimedia) Music) for reference use.

The above-mentioned analysis of the current driving situation can be used for other applications, such as opening other application functions of the in-vehicle device such as music or video, driving recorder, or other application functions on the mobile device, such as actions, in the driving situation. Navigation, multimedia software, and driving track recording software on the device. When leaving the driving situation, close the above related software.

Please refer to FIG. 6 , which is a schematic structural diagram of a method for detecting a driving situation by using a mobile device and a system thereof, which mainly includes an in-vehicle device 640, which includes an in-vehicle Bluetooth unit 641; a mobile device end 600 is The data source and the collected data are collected, and the collected information is sent to the vehicle environment detecting module 610 and the driving situation detecting module 630 in the system of the mobile device, and the vehicle environment detecting module 610 includes an in-vehicle environment. The detecting unit 611 is configured to receive the disconnection or disconnection message of the device of the wireless Bluetooth unit 621 and the vehicle Bluetooth unit 641, and analyze the connection or disconnection result with the device, and notify the driving situation determining unit 633 of the result; The in-vehicle device information repository 612 is configured to detect whether the connected in-vehicle device is stored in the in-vehicle device information repository 612. If not, the device information is stored, and the in-vehicle environment detecting module 610 detects the in-vehicle environment in which the mobile device is located. The driving situation detection module 630 includes a GPS processing unit 631. The GPS information on the mobile device is collected for data pre-processing, and the processed message is transmitted to the back-end one-time matching unit 632 through the wireless network; the speed matching unit 632 receives the processed information of the GPS processing unit 631 and performs the processing. The legal speed analysis of the GIS road network segment where the location is located; the bus situation determination unit 633 is the result of the analysis by the receiving speed matching unit 632, and is received by the vehicle environment detecting unit 611 of the vehicle environment detecting module 610. As a result, the driving situation analysis GPS information is determined; a wireless device 620 includes a wireless Bluetooth unit 621 and a GPS unit 622.

The speed matching unit 632 is connected to a GIS road network database 650, and stores the analyzed data into the GIS road network database 650, the driving situation determining unit 633, and the final driving situation is provided to the in-vehicle device application. The unit 660 and the mobile device application unit 670, the in-vehicle device application unit 660, is to activate or deactivate the driving recorder, the vehicle multimedia video, navigation, etc., and the mobile device application unit 670 is for starting multimedia music.

In summary, the system is at the mobile device end 600, and only needs to be connected to the GIS road network database 650 with a wireless network.

The user has a wireless device 620 on the handheld mobile device end 600, including a wireless Bluetooth unit 621 and a GPS unit 622. The user carries the mobile device to the car with the device of the car Bluetooth unit 641. After the wireless Bluetooth unit 621 is connected to the car Bluetooth unit 641 of the in-vehicle device 640, the connection information is detected by the vehicle environment. The vehicle environment detecting unit 611 in the group 610 receives. The wireless Bluetooth unit 621 is a Bluetooth that is now available in the mobile device, and the car Bluetooth unit 641 of the in-vehicle device may be a Bluetooth in-vehicle system originally equipped with the car, or an external car Bluetooth receiver or a Bluetooth speaker. The information that the mobile device terminal 600 pairs with the car Bluetooth unit 641 of the in-vehicle device 640 for the first time is stored in the in-vehicle device information repository 612. When the mobile device re-enters the paired vehicle environment, it can be immediately recognized that the car Bluetooth unit 641 is a memorized vehicle environment. When the vehicle environment detecting unit 611 receives the connection message and recognizes the cognitive vehicle environment, that is, knows that the mobile device is in the vehicle, the driving situation determination unit 633 is notified to the vehicle. When the vehicle environment detecting unit 611 receives the disconnection message, it is notified that the driving situation determining unit 633 is not in the vehicle.

When the user starts driving, the driving behavior will cause the mobile device GPS unit 622 to react and start to release the GPS information. The GPS processing unit 631 receives the GPS information, pre-processes the GPS information, first removes the oulier message and merges and stops the floating. The message then sends the processed valid GPS message to the speed matching unit 632 for speed matching. According to the effective GPS message coordinates (latitude and longitude), find the section corresponding to the GIS road network information, find the speed limit of the road section, compare the speed limit with the GPS speed, and use the system threshold value, for example, the difference is not more than 40km/ Hr, if the difference is within the threshold, it is displayed while traveling, otherwise the display is not in progress. This analysis result is used by the driving situation judging unit 633.

The detailed description of the present invention is intended to be illustrative of a preferred embodiment of the invention, and is not intended to limit the scope of the invention. The patent scope of this case.

To sum up, this case is not only innovative in terms of technical thinking, but also has many of the above-mentioned functions that are not in the traditional methods of the past. It has fully complied with the statutory invention patent requirements of novelty and progressiveness, and applied for it according to law. Approved this invention patent application, in order to invent invention, to the sense of virtue.

Claims (16)

A mobile device detecting driving situation system mainly includes: an in-vehicle environment detecting module, comprising: an in-vehicle environment detecting unit, which is a device for connecting or disconnecting a mobile device Bluetooth device and a car Bluetooth device. The message is analyzed to connect with the device or the result of the disconnection, and the result is notified to the driving situation judging unit for judging, wherein the result of the analysis by the in-vehicle environment detecting unit is included in the vehicle and not in the vehicle; an in-vehicle device information repository is detected Whether the in-vehicle device of the test connection is stored in the information storage of the in-vehicle device, if not, the device information is stored; the car situation detection module includes: a GPS processing unit, which collects GPS information on the mobile device for data Pre-processing, and the processed message is transmitted to the back-end one-time matching unit through the wireless network; the first-speed matching unit receives the processed information of the GPS processing unit and performs legal speed analysis on the GIS road network segment where the location is located , wherein the result of the analysis by the speed matching unit is included in the traveling and not in the traveling; the driving condition determining unit of the driving is receiving The result of the speed matching unit analysis is combined with the result received by the vehicle environment detecting unit of the vehicle environment detecting module to determine the driving situation, wherein the driving situation judging unit judges the driving situation according to the two data conditions. And the judgment result of the driving situation includes the driving situation, the driving situation, and the leaving driving situation, wherein when the speed matching unit analyzes the result, the vehicle is in progress and the vehicle The result of the analysis by the environment detecting unit is that in the vehicle, the driving situation judging unit judges that the driving situation is in the driving situation; when the result of the speed matching unit analysis is not in the running and the result of the analysis by the in-vehicle environment detecting unit is in the vehicle , the driving situation judging unit judges that the driving situation is not in the driving situation; when the result of the analysis by the speed matching unit is that the vehicle in-vehicle environment detecting unit analyzes that the result is not in the vehicle, the driving situation judging unit judges to leave the driving situation. . The mobile device situation detection system is as described in claim 1, wherein the driving situation judging unit, the final driving situation, is provided to the in-vehicle device application unit and the mobile device application unit. For example, the mobile device detecting unit is implemented by the mobile device according to the second aspect of the patent application, wherein the in-vehicle device application unit is to activate or deactivate the driving recorder, the vehicle multimedia video, and the navigation. The mobile device detects a driving situation system as described in claim 2, wherein the mobile device application unit is to activate multimedia music. A method for detecting a driving situation by using a mobile device includes: collecting information of a mobile device, and collecting information by using a mobile device; and analyzing information of the mobile device for performing information analysis, and obtaining speed matching results and vehicle environment detection results, wherein The speed matching result includes during and not traveling, and the vehicle environment detection result is included in the vehicle and not in the vehicle; the driving situation determination is based on the speed matching result and the vehicle environment detection result. The driving situation judgment is performed, and the judgment result of the driving situation is included in the driving situation, the driving situation, and the leaving driving situation, wherein when the speed matching result is in the running and the vehicle environment detection The result is that in the vehicle, the driving situation is determined; when the speed matching result is not in the running and the vehicle environment detection result is in the vehicle, it is determined that the driving situation is not; when the speed matching result is not traveling If the result of the vehicle environment detection is not in the vehicle, it is judged to leave the driving situation; the action situation judgment result is the result of the driving situation judgment, and the driving situation state change information is provided to other related systems or devices as the extension use. The method for detecting a driving situation by using a mobile device as described in claim 5, wherein the mobile device includes an in-vehicle environment detecting module and a driving situation detecting module. For example, in the method of claim 6, the mobile device detects a driving situation method, wherein the driving situation detecting module searches for a corresponding road network data according to the positioning data. The method for detecting a driving situation by using a mobile device as described in claim 6 wherein the in-vehicle environment detecting module includes: a mobile device Bluetooth and an in-vehicle device Bluetooth; a connection or disconnection message If the line is disconnected, the display is not in the car; if the line is connected, the in-vehicle device information repository exists; if it is, it is displayed on the car; if not, the in-vehicle device information is stored in the storage; displayed in the car on. The method for detecting a driving situation by using a mobile device according to the sixth aspect of the patent application, wherein the driving situation detecting module comprises: GPS (Global Positioning System) message collecting; GPS RAW DATA (raw data raw data / raw data) to remove Outlier (abnormal value / noise) message; GPS RAW DATA merge stop and so on; GPS valid message. The method for detecting a driving situation by using a mobile device as described in claim 8 wherein the mobile device Bluetooth and the in-vehicle device Bluetooth detect the Bluetooth connection message and store the information according to the storage environment. The pairing information of the library analyzes whether the message is a paired vehicle. For example, in the method of claim 8, the mobile device detects a driving situation, wherein the connection or disconnection message is detected by the vehicle environment detecting unit whether the mobile device Bluetooth and the vehicle equipment Bluetooth have Phase interconnect. The method for detecting a driving situation by using a mobile device according to claim 9 of the patent application scope, wherein the removing the Outlier message refers to determining whether the GPS point position and the GPS point before and after one second exceed a threshold specified by the system, or determining a GPS point. Whether the speed is one point before and after the GPS point exceeds the threshold specified by the system, or judges that the GPS point speed is too large. For example, the method for detecting a driving situation by using a mobile device as described in claim 9 of the patent scope, wherein the merging is stopped, is referred to as a threshold designated by the system of the parking area, and is regarded as a parking area, and the enrichment is replaced by a GPS point. . For example, the mobile device detects a driving situation method according to claim 9, wherein the GPS valid message refers to a speed matching analysis after the processing is completed, and the analysis method is as follows: GPS valid message; using GPS information The position coordinate obtains the speed limit of the corresponding network segment; the GPS message speed matches the link speed limit; the speed is equivalent or not; If yes, the display is in progress; if not, the display is not in progress. For example, in the method of claim 14, the mobile device detects the driving situation method, wherein the GPS message position coordinate obtains the speed limit of the corresponding network segment, and the corresponding position is obtained by using the GPS point position latitude and longitude to the GIS road network database. Speed limit. For example, the method for detecting a driving situation by a mobile device according to claim 14 of the patent application, wherein the speed is equivalent or not, refers to determining an absolute value of the speed subtraction, whether the absolute value exceeds a threshold specified by the system.