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Indoor forklift positioning method and system

A positioning system and forklift technology, applied in the field of indoor positioning systems in industrial environments, can solve the problems that positioning equipment cannot meet high-precision positioning requirements, sound wave transmission conditions are limited, and positioning accuracy does not have obvious advantages, and achieve high positioning accuracy. The effect of reducing error rate and improving management efficiency

Inactive Publication Date: 2019-03-19
BEIJING ASK ME TECH
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AI Technical Summary

Problems solved by technology

Ultrasonic positioning technology has high overall positioning accuracy and simple system structure. However, due to the limited sound wave transmission conditions, ultrasonic positioning technology is easily affected by multipath effects and non-line-of-sight propagation. It is actually used in industrial environments. Its positioning Accuracy does not have a clear advantage
[0005] From the above analysis, it can be seen that the existing positioning equipment cannot meet the high-precision positioning requirements for vehicles and materials in the industrial environment

Method used

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  • Indoor forklift positioning method and system
  • Indoor forklift positioning method and system
  • Indoor forklift positioning method and system

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Embodiment Construction

[0026] The preferred embodiments of the present invention will be described below in conjunction with the accompanying drawings. It should be understood that the preferred embodiments described here are only used to illustrate and explain the present invention, and are not intended to limit the present invention.

[0027] figure 1 The forklift positioning system for industrial indoor scenes according to the present invention consists of three parts: a positioning base station, a positioning tag, and a shovel material control system composed of a server.

[0028] 1. Locate the base station device

[0029] (1) The hardware for positioning base station M mainly includes the following parts:

[0030] Base station backplane: the bridging substrate where each functional module communicates with each other and controls each other

[0031] Power supply part: provide 12V, 5V, 3.3V required by the whole base station system. The input can be DC 12-48V, or it can be POE power supply in...

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Abstract

The invention provides an indoor forklift positioning method and system, the system comprises at least three positioning base stations M1-Mi, at least one positioning tag T arranged on a forklift anda server. All position tags T are in interaction with all the positioning base stations M1-Mi in a UWB manner, all positioning base stations M1-Mi upload the positioning signals obtained through interaction of the positioning base stations M1-Mi and the positioning tags T to the serve in a UDP manner, the server builds an equation set to the distances of all positioning signals, and the coordinateof the forklift is solved according to the equation set. According to the industrial indoor forklift positioning method, the positioning accuracy is high, the forklift can be controlled to take the materials according to the obtained forklift coordinate, the pre-typed-in material area and the information obtained from the materials, the error rate of material taking of the forklift is reduced, and the management efficiency of the factory is improved.

Description

technical field [0001] The invention relates to indoor positioning technology, in particular to an indoor positioning system used in industrial environments. Background technique [0002] Indoor positioning is one of the basic services of the Internet of Things. It is applied in the industrial environment and can promote the improvement of factory operation and management efficiency. [0003] However, due to the characteristics of the large indoor workshop of the factory, the variety of materials stored, and the short storage distance of materials, traditional outdoor positioning technologies, such as GPS positioning, will appear relatively large in indoor, tunnel, underground parking lots and other places due to the signal being blocked. deviation. Traditional outdoor positioning technology is not suitable for indoor positioning in industrial environments such as factories. [0004] At present, common indoor wireless positioning technologies are usually implemented throug...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01S5/00H04L29/06H04L29/08
CPCG01S5/0027H04L67/12H04L69/164
Inventor 赖泓炜付肖蒙
Owner BEIJING ASK ME TECH
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