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a positioning method

A positioning method and base station technology, applied in the field of positioning, can solve the problems of high cost, huge and redundant data, temperature and humidity sensitivity and easy to produce errors, and achieve the effect of reducing the amount of data, avoiding the influence of accuracy, and improving the positioning accuracy.

Active Publication Date: 2021-10-22
GUANGDONG BOZHILIN ROBOT CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the data in this method is huge and redundant, and the current height value of the robot must be obtained. To obtain the current height value, the air pressure sensor is generally used to measure, but the air pressure sensor is sensitive to temperature and humidity and is prone to errors. It can also be measured by a high-precision sensor, but high cost

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Embodiment 1

[0047] This embodiment provides a positioning method that can reduce the amount of data and avoid the impact of temperature and humidity on accuracy, thereby improving positioning accuracy and reducing costs. It can also ensure that when the robot is awakened at any position, the robot knows the current floor number and room number.

[0048] figure 1 It is a schematic flowchart of a positioning method provided in Embodiment 1 of the present invention. Such as figure 1 As shown, the positioning method includes the following steps:

[0049] S11, place the UWB base station according to the floor layout. Combined with the characteristics that 2 base stations can realize one-dimensional positioning, 3 or more base stations can realize two-dimensional positioning, and 8 or more base stations can realize three-dimensional positioning, the base stations are arranged as reference points at known coordinate points according to the floor layout , it is only required for the location ...

Embodiment 2

[0068] In this embodiment, on the basis of the foregoing embodiments, the method for determining the position of the robot is further optimized. image 3 It is a schematic flowchart of a positioning method provided in Embodiment 2 of the present invention. Such as image 3 As shown, determining the floor number where the UWB base station is located according to the signal strength of the UWB base station specifically includes the following steps:

[0069] S21. Select a base station with the closest distance according to the signal strength of each base station.

[0070] S22. Determine whether the base station is in the execution part or in the floor according to the serial number of the nearest base station.

[0071] Specifically, increase the base station in the executive component. Figure 4 It is a schematic structural diagram of adding a base station in an executive component in a positioning method provided by Embodiment 2 of the present invention. Such as Figure 4 ...

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Abstract

The invention provides a positioning method, comprising: placing UWB base stations according to floor layout; placing RFID tags according to room size; and determining the location of a robot according to the signal strength of UWB base stations and / or RFID tags. The positioning method of the invention can reduce data volume, improve positioning accuracy and reduce cost.

Description

technical field [0001] Embodiments of the present invention relate to the technical field of positioning, and in particular, to a positioning method. Background technique [0002] As the application of robots in construction becomes more and more common, it has become a major trend for robots to work across floors in buildings. [0003] The positioning during the operation process is to determine the current position of the robot through the three-axis coordinates of the robot's x, y, and z through the construction of the entire building. However, the data in this method is huge and redundant, and the current height value of the robot must be obtained. To obtain the current height value, the air pressure sensor is generally used to measure, but the air pressure sensor is sensitive to temperature and humidity and is prone to errors. It can also be measured by a high-precision sensor, but high cost. Contents of the invention [0004] The purpose of the embodiments of the p...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01S11/06G06K7/00
CPCG01S11/06G06K7/0008
Inventor 王泽舒远范启文吕硕邱志才
Owner GUANGDONG BOZHILIN ROBOT CO LTD