Positioning Algorithm of Underground Personnel Based on ZigBee Technology

2014 ◽  
Vol 532 ◽  
pp. 121-125
Author(s):  
Wei Jiang ◽  
Feng Yang
Keyword(s):  
Coal Mine ◽  
Low Cost ◽  
New Technology ◽  
Low Complexity ◽  
Wireless Technology ◽  
Underground Coal Mine ◽  
Zigbee Technology ◽  
Production Safety ◽  
Accurate Position ◽  
Positioning Algorithm

In recent years, people pay more and more attention to coal production safety. In order to enhance the security of underground work, optimize the coal mine management, and improve the personnel location accuracy, a newly arisen technique based on ZigBee with the low power, low cost and low complexity, which is suitable for being used to implement personnel position in underground coal mine, is built after comparing with several kinds of major wireless technology. In this paper, we present a new algorithm of underground personnel position based on this new technology. The algorithm uses Gaussian filtering algorithm and Bayesian statistics theory. The algorithm has been tested and the result has been analyzed. The experimental results show that the proposed algorithm provides more accurate position than positioning algorithm using RSSI.

Study on Coal Mine Gas Monitoring System Based on Arduino

2014 ◽  
Vol 1073-1076 ◽  
pp. 2173-2176 ◽  
Author(s):  
Hui Chun Gao ◽  
Chao Jun Fan ◽  
Jun Wen Li ◽  
Ming Kun Luo
Keyword(s):  
Monitoring System ◽  
Coal Mine ◽  
Low Cost ◽  
Gas Monitoring ◽  
Underground Coal Mine ◽  
Gas Concentration ◽  
Coal Mine Gas ◽  
Good Market ◽  
Mine Gas ◽  
Sd Card

Aimed at the frequency gas accident of coal mine, we designed a coal mine gas monitoring system based on Arduino microcontroller. The MQ-4 gas sensor was used to collect gas concentration, wireless ZigBee was used to transfer data of gas concentration to PC. The system can display gas concentration real-timely by LCD and use SD card to store the data. The system will send out sound and light alarm when the gas concentration overruns. Industrial tests have been carried out in Wuyang coal mine. Results show that gas monitoring system can well adapt to environment of underground coal mine and the measurement is accurate. The system is real-time monitoring and early warning. It has the characteristics of low power consumption, low cost, wireless, good market prospect.

scholarly journals ZIGBEE BASED MINE SAFETY MONITORING SYSTEM WITH GSM

2015 ◽  
pp. 98-102
Author(s):  
RAJKUMAR BODDU ◽  
P. BALANAGU ◽  
N. SURESH BABU
Keyword(s):  
Monitoring System ◽  
Coal Mine ◽  
Safety Monitoring ◽  
Mine Safety ◽  
Network Systems ◽  
Zigbee Technology ◽  
Coal Mine Safety ◽  
Safe Production ◽  
Production Safety ◽  
Safety Monitoring System

In this work, a safe Coal Mine Monitoring system which replaces the traditional coal mine monitoring systems which tend to be wired network systems. This play an important role in coal mine safe production. With continuous enlarging of exploiting areas and extension of depth in coal mine, many laneways become monitoring blind areas, where are lots of hidden dangers. Moreover, it is inconvenient to lay cables which are expensive and consume time. In order to solve the problems, we designed a coal mine safety monitoring system based on wireless sensor network, which can improve the level of monitoring production safety and reduce accident in the coal mine. Zigbee technology provides a direction for scientists who commit to solve the safety monitoring problems of coal mine. The purpose of this study is to propose a solution suitable to mine wireless communication, safety monitoring, give a proof to the further study.

Automatic Monitoring System for Coal Mine Safety Based on nRF24E1

2011 ◽  
Vol 130-134 ◽  
pp. 158-161
Author(s):  
Ying Li Zhu ◽  
Wang Hui Zeng ◽  
Ling Qing Xie
Keyword(s):  
Monitoring System ◽  
Coal Mine ◽  
Low Cost ◽  
Automatic Monitoring ◽  
Sensor Nodes ◽  
Mine Safety ◽  
Automatic Monitoring System ◽  
Coal Mine Safety ◽  
Production Safety ◽  
On Line

This paper describes the design of monitoring system for coal mine safety constructed by MSP430 and nRF24E1, which has described the structure of the system, working principle, and gives the hardware design of sensor nodes and the software design. This system is used for on-line monitoring of coal mine safety with the character of simple structure, low cost, low power consumption and so on, which will improve the level of monitoring production safety and reduce accident in the coal mine.

Design of Personnel Position System of Mine Based on ZigBee Technology

2014 ◽  
Vol 556-562 ◽  
pp. 6145-6148
Author(s):  
Lei Gang Miao ◽  
Kui Zhang ◽  
Rong Ni
Keyword(s):  
Wireless Communication ◽  
Coal Mine ◽  
Power Dissipation ◽  
Communication Systems ◽  
Wireless Technology ◽  
Present Communication ◽  
Zigbee Technology ◽  
Zigbee Protocol ◽  
Low Power Dissipation ◽  
Mine Accident

China’s present communication systems in coal mine can not effectively transfer information. Hence, rescue efforts are hard to be carried out in case of coal mine accident. To deal with this problem, a method of mine wireless communication system with low-power dissipation based on Zigbee wireless technology is presented. The paper at first introduces the characteristics and structure of ZigBee protocol, then introduced wireless communication networking mode of ZigBee device in coal mine underground, and gave principle of personnel position of coal mine underground and its realizing process.

The GREEN Design of Horizontal Type Transfer Machine for Underground Coal Mine Belt Department

2012 ◽  
Vol 591-593 ◽  
pp. 80-83
Author(s):  
Ping Huai Mao ◽  
Jing Xi Li ◽  
Li Ding
Keyword(s):  
Structural Optimization ◽  
Coal Mine ◽  
Low Cost ◽  
Technical Support ◽  
Continuous Operation ◽  
Compact Structure ◽  
Underground Coal Mine ◽  
Horizontal Type ◽  
Working Principle ◽  
Continuous Loading

The Horizontal Type Transfer Machine for Underground Coal Mine has a simple controlling surface, compact structure and the low cost of making. It also could continuous loading of small underground loader. The paper mainly presents that the design of horizontal type transfer machine for underground coal mine belt department. It points out the structure and working principle of Transfer Machine and that also provide theoretical and technical support for the transfer machine’s continuous operation. This article multi-disciplinary considers the manufacturing technology, structural optimization and the economic running. It also consider of the machine’s reduce, reuse and recycle.

The Method of the Global Positioning Based on RSSI

2012 ◽  
Vol 198-199 ◽  
pp. 1438-1441
Author(s):  
Ming Ming Tian ◽  
Zong Jiu Zhu
Keyword(s):  
Coal Mine ◽  
Signal Strength ◽  
Received Signal Strength ◽  
Positioning Error ◽  
Underground Coal Mine ◽  
Global Positioning ◽  
Positioning Algorithm ◽  
Received Signal Strength Indication ◽  
Vertical Positioning ◽  
Communication Radius

A novel Global Positioning Algorithm for Workers in Underground Coal Mine Based on RSSI (Received Signal Strength Indication) is proposed and implemented. The innovation of the algorithm is the RSSI optimization and GIS auxiliary positioning. The RSSI optimization can reduces the error caused when the blind code is too closed to the reference node, and GIS auxiliary positioning is to solve the problem that the number of the reference codes in the communication radius of blind code is less than three. Experimental Results Indicate that Global positioning algorithm has the average vertical positioning error less than 4m, the horizontal error less than 1/2 roadway width, and the positioning cycle less than 1s, with better positioning and tracking performance, and expands the coverage of the network of underground positioning.

A Tracking and Location Detection System Using ZigBee Wireless Network

2012 ◽  
Vol 546-547 ◽  
pp. 1223-1228
Author(s):  
Jiong Shi ◽  
Hong Dao Song ◽  
Zhao Xi Fang
Keyword(s):  
Embedded Systems ◽  
System Architecture ◽  
Detection System ◽  
Low Cost ◽  
Low Complexity ◽  
Commercial Application ◽  
Positioning System ◽  
Wireless Technology ◽  
System Components ◽  
Location Detection

With the development of wireless networks and embedded systems, it is increasingly popular to make use of these technologies to tracking and location detection applications. ZigBee is a low power, low cost, low data rate and low complexity wireless technology for personal-area and device-to-device networking. In this paper, a practical ZigBee based tracking and positioning system for objects and personnel is proposed. Besides, the system architecture, system components as well as their functionalities are presented. Furthermore, the commercial application results have shown that the proposed system is suitable for tracking and location detection.

scholarly journals An Enhanced Indoor Positioning Algorithm Based on Fingerprint Using Fine-Grained CSI and RSSI Measurements of IEEE 802.11n WLAN

Sensors ◽  
2021 ◽  
Vol 21 (8) ◽  
pp. 2769
Author(s):  
Jingjing Wang ◽  
Joongoo Park
Keyword(s):  
Nearest Neighbor ◽  
Low Cost ◽  
Gaussian Function ◽  
Low Complexity ◽  
Correction Method ◽  
Indoor Positioning ◽  
K Nearest Neighbor ◽  
Positioning Accuracy ◽  
Indoor Location ◽  
Positioning Algorithm

Received signal strength indication (RSSI) obtained by Medium Access Control (MAC) layer is widely used in range-based and fingerprint location systems due to its low cost and low complexity. However, RSS is affected by noise signals and multi-path, and its positioning performance is not stable. In recent years, many commercial WiFi devices support the acquisition of physical layer channel state information (CSI). CSI is an index that can characterize the signal characteristics with more fine granularity than RSS. Compared with RSS, CSI can avoid the effects of multi-path and noise by analyzing the characteristics of multi-channel sub-carriers. To improve the indoor location accuracy and algorithm efficiency, this paper proposes a hybrid fingerprint location technology based on RSS and CSI. In the off-line phase, to overcome the problems of low positioning accuracy and fingerprint drift caused by signal instability, a methodology based on the Kalman filter and a Gaussian function is proposed to preprocess the RSSI value and CSI amplitude value, and the improved CSI phase is incorporated after the linear transformation. The mutation and noisy data are then effectively eliminated, and the accurate and smoother outputs of the RSSI and CSI values can be achieved. Then, the accurate hybrid fingerprint database is established after dimensionality reduction of the obtained high-dimensional data values. The weighted k-nearest neighbor (WKNN) algorithm is applied to reduce the complexity of the algorithm during the online positioning stage, and the accurate indoor positioning algorithm is accomplished. Experimental results show that the proposed algorithm exhibits good performance on anti-noise ability, fusion positioning accuracy, and real-time filtering. Compared with CSI-MIMO, FIFS, and RSSI-based methods, the proposed fusion correction method has higher positioning accuracy and smaller positioning error.

Underground Coal Mine Positioning System Based on RSSI Positioning Algorithm Improved Through the BP Learning Training

2015 ◽  
Vol 8 (1) ◽  
pp. 281-286
Author(s):  
Yan-Xiu Chen
Keyword(s):  
Standard Deviation ◽  
Coal Mine ◽  
Large Error ◽  
Underground Coal Mine ◽  
Working Face ◽  
Wireless Signal ◽  
Geographic Environment ◽  
Wireless Positioning ◽  
Positioning Algorithm ◽  
Electromagnetic Transmission

The influence of the coal mine geographic environment on the electromagnetic transmission might result in the difficulty of wireless positioning under the mine. Concerning that the influence of the underground working face on the wireless signal attenuation is mainly reflected through the electricity path attenuated and based on the underground geographic differences, two corresponding electromagnetic loss models are established. Under the conditions of low energy consumption and no need for hardware devices, RISS algorithm is found suitable to be used in the underground coal mine. However, the problems of large error and poor precision still exist. This paper first introduces the standard deviation threshold, TSA, as decided by the practical environment; then compares it with the standard deviation, RSA, obtained by the calculation of every target node to finally obtain the modified value of RSS. Based on that, the BP algorithm is introduced for learning training, improvement of the positioning error rate and the system’s positioning precision.

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