TWI436308B - System and method for detecting vehicle access area - Google Patents

Description

System and method for detecting vehicle entry and exit areas

The invention relates to a system and a method for detecting a vehicle entry and exit area, in particular to a system using a GPS global mobile communication system, a wireless communication technology and a regional setting method, and a regional cooperative detection method to achieve vehicle detection and detection in a specific area.

The vehicle monitoring management system is an efficient and immediate method and service for managing and monitoring vehicles. In order to respond to the needs of special vehicle management, for example, to monitor whether environmentally-friendly clearing operators dump waste in illegal areas, or to monitor whether passenger transport is on a designated route, etc., to develop services for vehicle access area detection.

At present, the method of detecting the entry and exit area of the vehicle is usually concentrated on one side---the area of the terminal mobile device is stored for area detection; or the terminal mobile device returns the positioning information to the back-end server, and the back-end server performs the access area. Detection. The method of area detection by the terminal mobile device can perform regional judgment immediately. However, due to the hardware limitation of the terminal module, the range of areas that can be stored is extremely limited, and it is extremely difficult to detect a large number of complex area graphics. If the future server determines the area, although there is no storage space limitation, the amount of calculation of the back-end server will grow in equal proportions with the number of areas, the number of terminal modules, and the frequency of positioning returns. Generally provide a variety of services, to handle such a large number of operations simultaneously And it is not an efficient way.

It can be seen that there are still many shortcomings in the above-mentioned methods of use, which is not a good designer, but needs to be improved.

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 system and method for detecting the entry and exit area of the vehicle.

The object of the present invention is to provide a system and method for detecting an entry and exit area of a vehicle, which provides a convenient and efficient access area management service, so that the user can instantly grasp the information of the vehicle entry and exit area.

The system and method for detecting the entry and exit area of a vehicle for achieving the above purposes utilizes a GPS global mobile communication system, a wireless communication technology, and a regional cooperative detection method to achieve detection of a vehicle entering and exiting a specific area, particularly for utilizing a terminal mobile device. A system and method for detecting vehicle entry and exit areas in cooperation with a backend server. The system comprises: (1) a terminal module, which provides a terminal area quadrilateral detection method for detecting whether the positioning point is located in a region quadrilateral range, and is connected to the regional management center module through a wireless communication network for receiving a regional quadrilateral range message and a transmission location message and an entry and exit area event message; (2) a regional management center module for transmitting a regional quadrilateral range message to the terminal module, receiving a location message transmitted by the terminal module, and an entry and exit area event message, and Provide regional polygon detection method to calculate positioning Whether the point coordinates are within the area polygon, and the entry and exit area records are returned to the area database module; (3) the area setting module provides the area setting method and the area conversion method for providing the user-defined pre-detected area. The polygon range, and the area polygon range is converted into a region quadrilateral, and then the area polygon and the area quadrilateral range are stored to the area database module; and (4) the area database module for storing the area range, and the entry and exit area record .

The invention relates to a system and a method for detecting an entry and exit area of a vehicle, which utilizes GPS global mobile communication system positioning, wireless communication technology and regional cooperative detection method to achieve a system for detecting vehicle access to a specific area.

Please refer to FIG. 1 , which is a system architecture diagram for detecting a vehicle entry and exit area system according to the present invention, which includes:

(1) The terminal module 1 is disposed in the vehicle and provides a regional quadrilateral detecting method for detecting whether the positioning point is located in the area quadrilateral range, and interfacing the regional management center module 2 through the wireless communication network for receiving the area a quadrilateral range message and a transmission location message and an entry and exit area event message; the terminal module 1 includes a regional quadrilateral calculation module for performing a quadrilateral detection method for whether the anchor point is located in the area quadrilateral region; and an area storage module for Storage program and area quadrilateral range data; a wireless communication module for accessing wireless communication networks, interface area management Central module for data transmission and reception; and a GPS global positioning system module that supports A-GPS assisted global positioning system to provide positioning information; the wireless communication network routes PHS personal handheld telephone system, GSM global mobile communication system, GPRS Universal Packet Wireless Service/EDGE Enhanced Data Rate, WCDMA Broadband Code Division Multiplexed Acquisition/HSPA High Speed Packet Capture/LTE Long Term Evolution Technology, CMDA2000 Code Division Multiplexed 2000/UMB Upper Memory Block, TD-SCDMA Time-sharing-synchronous code division multiplexing/TD-HSPA time-sharing-high-speed packet acquisition/TD-SCDMA+LTE time-sharing-synchronous code division multiplexing + long-term evolution technology, WiFi wireless fidelity/WiMax Global Interoperability Microwave, IMT-Advance is the next generation of global wireless mobile broadband communications.

(2) The regional management center module 2, through the wireless communication network, interfaces the terminal module 1 for transmitting the regional quadrilateral range information to the terminal module 1, receiving the positioning information and the entry and exit area event information transmitted by the terminal module 1, and Providing an area polygon detecting method for calculating whether the positioning point is located in the area polygon, and storing the inbound area record back to the area database module 4;

(3) The area setting module 3 provides a region setting method and a region conversion method, and allows the user to define the region polygon range, and convert the region polygon range into an optimal quadrilateral including the region polygon, which is called a region quadrilateral, and a regional scope check-in area database module 4;

(4) Regional database module 4 for storing area and access Regional record.

Please refer to FIG. 2, which is a flowchart of a method for detecting a regional cooperation method for detecting a vehicle entry and exit area according to the present invention. The user sets a region polygon range through a region setting module, and then the region setting module will multilaterally region. The row is converted into a region quadrilateral, and the range of the region polygon and the region quadrilateral is stored in the region database module. The regional management center module 2 determines whether the area range has a change, and if there is a change, transmits a new area quadrilateral range message to the terminal module 1, and the terminal module 1 receives and stores the area quadrilateral range, and determines whether the current positioning point is in or out of the area. Quadrilateral, if there is a quadrilateral in and out of the area, the event message is sent to the area management center module 2. After receiving the message, the area management center module 2 determines whether the positioning point is within the area polygon, if there is an in or out area The polygon range is opposite to the state of the entry and exit area of the previous positioning point, and the representative vehicle is converted from the ingress area to the out area or from the out area to the area, and the information of the in and out area is recorded in the area database module 4, if the status The same is not recorded, that is, the regional management center module 2 is responsible for recording information such as the time and location of the recorded area and the time and location of the outgoing area, and is combined into a paired record.

Please refer to FIG. 3 , which is a flowchart of a method for setting a region and a system for detecting a vehicle entry and exit area according to the present invention. The area setting module 3 defines an area polygon range, and then uses the area conversion method provided by the area setting module to The area polygon is converted into an optimal quadrilateral including the area polygon, which is called a region quadrilateral, and then the point coordinates of the area polygon and the area quadrilateral are stored in the area database module 4. The way to convert a region polygon into a region quadrilateral is to extract all the point coordinates (x _i , y _i ) of the region polygon, and i represents the i-th point of the region polygon. For example, the pentagon point coordinates are (x ₁ , y ₁ )~(x ₅ ,y ₅ ), the top right coordinate of the area quadrilateral, the x coordinate is the maximum value of x ₁ to x ₅ , the y coordinate is the maximum value of y ₁ to y ₅ , and the lower left coordinate of the area quadrilateral The x coordinate is the minimum value of x ₁ to x ₅ , and the y coordinate is the minimum value of y ₁ to y ₅ . After calculating the two point coordinates of the diagonal of the quadrilateral, all the coordinate coordinates of the quadrilateral can be deduced.

According to the embodiment, the method for cooperatively operating the terminal mobile device and the back-end server can effectively alleviate the problem of ineffective system performance caused by the method for detecting the entry and exit of the vehicle by the single party, and provide more convenient access area management. service.

The system and method for detecting the entry and exit area of a vehicle provided by the present invention have the following advantages when compared with other conventional technologies:

1. The invention utilizes a method in which a terminal mobile device and a back-end server cooperate with each other to efficiently detect an event of entering and leaving a vehicle, and saves huge hardware and software costs.

2. The invention can be quickly applied to most traffic information application systems, and has great research and development flexibility.

3. The invention can provide information on the entry and exit area of the vehicle and improve the convenience of management.

The above detailed description is directed to a possible embodiment of the present invention. The present invention is not intended to limit the scope of the invention, and equivalents and modifications may be included in the scope of the invention.

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.

1‧‧‧ Terminal Module

2‧‧‧Regional Management Center Module

3‧‧‧Regional setting module

4‧‧‧Regional database module

Please refer to the detailed description of the present invention and the accompanying drawings, which will further understand the technical contents of the present invention and the purpose of the present invention. FIG. 1 is a system architecture diagram of a system and method for detecting a vehicle entry and exit area according to the present invention. FIG. 2 is a flow chart of a method for setting a region and a method for detecting a vehicle entering and exiting area; FIG. 3 is a flow chart of a method for detecting a region and a method for detecting a vehicle entering and leaving a region;

1. . . Terminal module

2. . . Regional Management Center Module

3. . . Regional setting module

4. . . Regional database module

Claims (15)

A system for detecting an entry and exit area of a vehicle utilizes a GPS global positioning system, a wireless communication technology, and a regional cooperative detection method to achieve vehicle detection and detection in a specific area, including: a terminal module, which is installed in a vehicle, Detecting whether the location is located in the area; a regional management center module interfacing the terminal module through the wireless communication network to process the communication between the terminal module and detecting whether the location of the terminal module returns Area range; an area setting module for providing users with area definition; and an area database module for storing area ranges and entry and exit area records. The system for detecting a vehicle entry and exit area according to the first aspect of the invention, wherein the terminal module comprises: a regional quadrilateral calculus module, wherein the method for detecting whether the positioning point is located in the area quadrilateral quadrilateral detecting method; a storage module for storing program and area quadrilateral range data; a wireless communication module for accessing a wireless communication network, interfacing with a regional management center module for data transmission and reception; and a GPS global positioning system module , support A-GPS assisted global set Bit system, providing location information. The system for detecting an entry and exit area of a vehicle according to claim 1, wherein the terminal module is selected from the group consisting of an in-vehicle device, a PDA personal digital assistant, a Smart Phone smart mobile phone, and a mixture thereof. The system for detecting a vehicle entry and exit area as described in claim 1, wherein the wireless communication network routes the PHS personal handy phone system, the GSM global mobile communication system, the GPRS universal packet wireless service/EDGE enhanced data rate, and the WCDMA broadband Code division multiplexing/HSPA high speed packet acquisition/LTE long-term evolution technology, CMDA2000 code division multiplexing 2000/UMB upper memory block, TD-SCDMA time division-synchronous code division multiplexing/TD- HSPA time-sharing - high-speed packet capture / TD-SCDMA + LTE time-sharing - synchronous code division multiplex acquisition + long-term evolution technology), WiFi wireless fidelity / WiMax global interoperability microwave, IMT-Advance next-generation global wireless mobile broadband Communication is selected. The system for detecting an entry and exit area of a vehicle according to claim 1, wherein the area management center module comprises: an area polygon calculation module, and an area polygon detection method for performing whether the positioning point is located in an area polygon area a message processing module for receiving messages of the terminal module, for receiving location information, accessing area information, and transmitting area quadrilateral range information; A data access module provides a data access interface for accessing data to the regional database module. The system for detecting a vehicle entry and exit area according to claim 1, wherein the area setting module comprises: (a) an area definition module for providing a user-defined area polygon range; and (b) a A region conversion module for converting a region polygon into a region quadrilateral. For example, in the detecting vehicle entry and exit area system described in claim 1, wherein the area setting module is selected from the group consisting of a computer, a PDA personal digital assistant, a Smart Phone smart mobile phone, and a mixture thereof. A method for detecting a vehicle entry and exit area according to the scope of claim 1 is to use GPS, wireless communication technology and regional cooperative detection method to achieve vehicle access to a specific area detection, wherein the area cooperates The detection method is as follows: (a) the user sets the area polygon range through the area setting module; (b) the area setting module converts the area polygon into an optimal quadrilateral containing the area polygon, called a region quadrilateral, and both Stored to the regional database module; (c) the regional management center module reads the area from the regional database module Range, determine whether the area range has a change; (d) If there is a change, transfer the area quadrilateral range to the terminal module, perform step (f); (e) bear (c), if there is no change, the terminal module judges At present, there is a quadrilateral range of the access point; (f) bearing (d), the terminal module receives the quadrilateral range of the area, stores it in the device, and then determines whether the current positioning point has a quadrilateral range of the access area; (g) e) (f), if there is an entry and exit area quadrilateral, the terminal module transmits the positioning message and the entry and exit area event message to the regional management center module; (h) bearing (e) (f), if there is no entry and exit area quadrilateral, then the end (i) bearing (g), the regional management center module receives the positioning message and the entry and exit area event message; (j) the regional management center module determines whether the positioning point enters and exits the regional polygon range; (k) if there is an entry and exit area polygon, Then, the regional management center module records the inbound and outbound area information in the regional database module, and then ends the program; and (1) accepts (j), if there is no entry and exit area polygon, the program ends. The method for detecting an entry and exit area of a vehicle according to claim 8, wherein the terminal module is installed in a vehicle, transmits a positioning message and an area event message to a regional management center module through a wireless communication network, and receives the Regional Quadrilateral Range Information and Provision for Regional Management Module The area quadrilateral detection method is used to detect whether the positioning point is located in the area quadrilateral. The method for detecting a vehicle entrance and exit area according to claim 9 is as follows: wherein the quadrilateral detection method of the area is as follows: (a) determining a relative positional relationship between a current positioning point of the terminal module and a regional quadrangle; (b) if positioning If the point is within the area quadrilateral, the current state is set to "inward area", and step (d) is performed; (c) bearing (a), if the positioning point is not in the area quadrilateral, the current state is set to "out area" (d) comparing the state of step (b) or step (c) with the state of an anchor point on the terminal module; (e) ending the program if it is in the same state; and (f) bearing (d) If it is in a different state, the event information of the entry and exit area of the current state is transmitted to the area management module. The method for detecting an entry and exit area of a vehicle according to claim 8 , wherein the regional management center module interfaces a terminal module through a wireless communication network, and transmits a regional quadrilateral range message to the terminal module, and the receiving terminal The module transmits the positioning message and the inbound and outbound event information, and provides an area polygon detecting method for calculating whether the positioning point is located in the area polygon and storing the inbound and outbound area records in the area database module. Detection of vehicle entry and exit areas as described in claim 11 The method for detecting the polygon in the area is as follows: (a) determining the relative positional relationship between the positioning point transmitted by the terminal module and the area polygon; (b) if the positioning point is located in the area polygon, setting the current state to " Step (d); (c) bearing (a), if the anchor point is not in the area polygon, set the current state to "out area", perform step (d); (d) step (b) Or the state of (c) is compared with the state of the entry and exit area of the previous positioning point; (e) if it is the same state, the program ends; and (f) the bearing (d), if it is a different state, represents the outgoing area When entering the area or from the area to the area, the status information of the entry and exit area is recorded to the area database module. The method for detecting an entry and exit area of a vehicle according to claim 8 , wherein the area setting module is configured to provide a region conversion method and a region setting method, so that the user defines the region polygon range, and the region polygon is The range is converted to the optimal quadrilateral containing the polygons in the area, called the area quadrilateral, and the area is saved back to the area database module. The method for detecting a vehicle entry and exit area according to claim 13, wherein the area conversion method is as follows: (a) taking out all the point coordinates (x _i , y _i ) of the area polygon, i is the i-th of the area polygon If the region is n-sided, i is 1 to n, and the coordinates of the point are (x ₁ , y ₁ )~(x _n , y _n ); (b) the maximum of the x coordinates is taken out of n points. The value and the maximum value of the y coordinate, the x coordinate of the upper right point of the area quadrilateral is Max (x ₁ , x ₂ , ..., x _n ), and the y coordinate is Max (y ₁ , y ₂ , ..., y _n ); c) Take the minimum value of the x coordinate and the minimum value of the y coordinate among the n points, then the x coordinate of the lower left point of the area quadrilateral is Min(x ₁ , x ₂ ,..., x _n ), and the y coordinate is Min (y) ₁ , y ₂ ,..., y _n ); (d) bearing (b) (c), deducing the x coordinate of the lower right point of the region quadrilateral as Max(x ₁ , x ₂ ,..., x _n ), y coordinate For Min(y ₁ , y ₂ ,..., y _n ); and (e) bearing (b)(c), the x coordinate of the upper left point of the regional quadrilateral is estimated to be Min(x ₁ , x ₂ ,..., x _n ), the y coordinate is Max (y ₁ , y ₂ ,..., y _n ). The method for detecting a vehicle entry and exit area according to claim 13, wherein the area setting method is as follows: (a) defining an area polygon range; (b) converting the area polygon into an optimal quadrilateral including the area polygon, a region quadrilateral; and (c) storing the converted region quadrilateral and the set of points of the original region polygon in the region database module.