I. Overview 1. Background of coal mine personnel positioning system my country is the world's largest coal consumer and producer. With the rapid ...

1. System significance 1) By monitoring the number of people entering the hole and the number of people entering the work surface, it can curb ...

1. Project background In recent years, my country’s highway and railway construction has developed vigorously. The national “Twelfth Five-Year” plan ...

http://www.iot-lzhy.com/qd/nt/20/index.html　 1. System Overview 1.1. System background The characteristics of vehicle management in ...

System Overview: This plan implements the retrospective management of one bottle per bottle and one file per bottle by establishing a permanent "radio ...

1. System overview There are a large number of mining vehicles entering and leaving the mine every day, and procedures such as parking, registration, and ...

Project background The active 433MHz downhole personnel attendance and positioning management solution launched by Jiangsu Tangan is a comprehensive ...

1. Basic concepts During tunnel operation, it can automatically identify the reading equipment pre-installed in the mine, and upload the globally unique ...

1. System significance 1) By monitoring the number of people entering the hole and the number of people entering the work surface, curb over-capacity ...

Chapter 1 Overview 1.1 System background With the rapid development of the country's economy, my country's tunnel construction is changing with each ...

　1. System overview Due to the peculiarities of mine production, natural disasters such as water, fire, gas, coal dust, roof and other natural disasters ...

Mineral resources are important natural resources and an important material basis for the development of social production. Due to the special ...