CN216291456U

CN216291456U - UWB and WIFI-based mobile object positioning system

Info

Publication number: CN216291456U
Application number: CN202122516847.3U
Authority: CN
Inventors: 徐志鸥; 李白; 钟超
Original assignee: Xuzhou Mingda Mechanical And Electrical Technology Co ltd
Current assignee: Xuzhou Mingda Mechanical And Electrical Technology Co ltd
Priority date: 2021-10-19
Filing date: 2021-10-19
Publication date: 2022-04-12
Anticipated expiration: 2031-10-19

Abstract

The utility model discloses a UWB and WIFI-based mobile object positioning system, which comprises a UWB tag attached to a mobile object, a No. 0 base station, an ARM single chip microcomputer and a server, wherein information transmission is carried out between the UWB tag and the No. 0 base station, the No. 0 base station information is transmitted to the ARM single chip microcomputer, and the ARM single chip microcomputer information is transmitted to the server. The utility model has the advantages that: adopt UWB location technique, 0 # base station acquires the distance of moving object and other UWB base stations through detecting that the moving object carries the UWB label, and the ARM singlechip obtains the current position coordinate of moving object after carrying out algorithm processing such as sequencing, barycenter, filtering with the distance data who acquires, then utilizes dual-frenquency WIFI module to transmit position data to the server, and convenience of customers remotely looks over the real-time orbit of moving object.

Description

UWB and WIFI-based mobile object positioning system

Technical Field

The utility model relates to the technical field of positioning systems, in particular to a moving object positioning system based on UWB and WIFI.

Background

A Positioning System (an aggregate or a device (component) associated with each other configured to determine a spatial position) is generally referred to as a Global Positioning System (Global Positioning System). In short, this is a satellite system consisting of 24 satellites covering the world. The system can ensure that 4 satellites can be observed at any point on the earth at any time, so that the satellite can acquire the longitude and latitude and the height of the observation point, and functions of navigation, positioning, time service and the like can be realized. This technique can be used to guide aircraft, ships, vehicles, and individuals to safely and accurately follow a selected route to a destination on time. Besides the United states, the Beidou satellite navigation system is also independent in China.

The common GPS positioning method has high positioning accuracy in an open environment, but has poor accuracy in a sheltered environment such as indoors.

SUMMERY OF THE UTILITY MODEL

In order to solve the various problems, the utility model provides a moving object positioning system based on UWB and WIFI, a UWB positioning technology is adopted, a No. 0 base station obtains the distance between a moving object and other UWB base stations by detecting a UWB label carried by the moving object, an ARM single chip microcomputer carries out algorithm processing such as sequencing, centroid and filtering on the obtained distance data to obtain the current position coordinate of the moving object, and then a double-frequency WIFI module is utilized to transmit the position data to a server, so that a user can conveniently remotely check the real-time track of the moving object.

In order to solve the technical problems, the technical scheme provided by the utility model is as follows: the utility model provides a moving object positioning system based on UWB and WIFI, includes UWB label, 0 # basic station, ARM singlechip and the server of pasting on moving object, carry out information transmission between UWB label and the 0 # basic station, 0 # basic station information transmission to ARM singlechip, ARM singlechip information transmission to the server.

As an improvement, a dual-frequency WIFI module and a network port are arranged in information transmission between the ARM single chip microcomputer and the server, and the ARM single chip microcomputer is transmitted to the server through the dual-frequency WIFI module or the network port information.

As an improvement, the model of the dual-frequency WIFI module is LPD-100.

As an improvement, the model number of the net port is W5500.

As an improvement, the model of the ARM single chip microcomputer is STM32F407VET 6.

Compared with the prior art, the utility model has the advantages that: when the mobile positioning system is used, aiming at the mobile positioning requirements of objects such as a mobile trolley in the environment of a roadway and the like, the UWB positioning technology is adopted, the base station No. 0 acquires the distance between the mobile object and other UWB base stations by detecting the UWB tag carried by the mobile object, the ARM single chip machine carries out algorithm processing such as sequencing, centroid and filtering on the acquired distance data to obtain the current position coordinate of the mobile object, and then the double-frequency WIFI module is utilized to transmit the position data to the server, so that a user can conveniently remotely check the real-time track of the mobile object.

Drawings

Fig. 1 is a schematic structural diagram of a mobile object positioning system based on UWB and WIFI according to the present invention.

Fig. 2 is a schematic diagram of a WIFI circuit of a mobile object positioning system based on UWB and WIFI according to the present invention.

As shown in the figure: 1. a UWB tag; 2. base station number 0; 3. an ARM single chip microcomputer; 4. a server; 5. a dual-frequency WIFI module; 6. and (4) a network port.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

With reference to fig. 1 to 2, a moving object positioning system based on UWB and WIFI includes UWB tag 1 attached to a moving object, base station No. 0, ARM single chip microcomputer 3, and server 4, where information is transmitted between UWB tag 1 and base station No. 0, base station No. 2, and ARM single chip microcomputer 3, and server 4, respectively.

Information transmission has dual-frenquency WIFI module 5 and net gape 6 between ARM singlechip 3 and server 4, ARM singlechip 3 is through dual-frenquency WIFI module 5 or net gape 6 information transmission to server 4.

The model of the dual-frequency WIFI module 5 is LPD-100.

The model of the net port 6 is W5500.

The model of the ARM single chip microcomputer 3 is STM32F407VET 6.

The specific implementation mode of the utility model is as follows: when the mobile object positioning system is used, an ARM single chip microcomputer (STM32F407VET6) reads distance data from labels acquired by a UWB 0 base station to other groups of base stations through a serial port, then sequences the distance data to acquire three groups of proper data, performs algorithm processing such as centroid processing and filtering to acquire a coordinate value of the current position of the mobile object, uploads the coordinate value to a server through a network port (W5500) or a dual-frequency WIFI module (LPD-100), and a user views positioning data and a track through UWB positioning software.

The present invention and its embodiments have been described above, and the description is not intended to be limiting, and the drawings are only one embodiment of the present invention, and the actual structure is not limited thereto. In summary, those skilled in the art should appreciate that they can readily use the disclosed conception and specific embodiments as a basis for designing or modifying other structures for carrying out the same purposes of the present invention without departing from the spirit and scope of the utility model as defined by the appended claims.

Claims

1. A moving object positioning system based on UWB and WIFI is characterized by comprising a UWB tag (1), a No. 0 base station (2), an ARM single chip microcomputer (3) and a server (4), wherein the UWB tag (1) is attached to a moving object, information is transmitted between the UWB tag (1) and the No. 0 base station (2), information of the No. 0 base station (2) is transmitted to the ARM single chip microcomputer (3), and information of the ARM single chip microcomputer (3) is transmitted to the server (4).

2. The UWB and WIFI based mobile object location system of claim 1, wherein: information transmission has dual-frenquency WIFI module (5) and net gape (6) between ARM singlechip (3) and server (4), ARM singlechip (3) are through dual-frenquency WIFI module (5) or net gape (6) information transmission to server (4).

3. The UWB and WIFI based mobile object location system of claim 2, wherein: the model of the dual-frequency WIFI module (5) is LPD-100.

4. The UWB and WIFI based mobile object location system of claim 2, wherein: the model of the net port (6) is W5500.

5. The UWB and WIFI based mobile object location system of claim 1, wherein: the model of the ARM single chip microcomputer (3) is STM32F407VET 6.