Smart mine new technology requirements and eight systems

Key technologies such as the Internet of Things, big data and artificial intelligence, and cloud computing technology solve the problems of system architecture and interoperability, data processing decision-making and advanced calculation, and the degree of research and application determines the development level of smart coal mines.

Smart mine new technology needs

(1) Based on Internet + Internet of Things platform

The Internet of Things based on the Internet + is the information highway of smart coal mine, which will undertake the stable and reliable transmission of big data, play the role of accurate and timely upload, and determine the overall stability and reliability of the smart coal mine system. Therefore, the iot platform of smart coal mine must have the characteristics of precise positioning, collaborative management and control, comprehensive management and control, and integration of geographic information.

(2) Big data processing and artificial intelligence technology

One of the core technologies of smart coal mining is big data mining and knowledge discovery. The application of a large number of sensors will inevitably produce a large amount of data, and the scale effect of data brings great challenges to storage, management and analysis. It is necessary to make full use of big data processing technology to dig the rules and knowledge behind data, and provide timely and effective basis for safety, production, management and decision-making.

Artificial intelligence is one of the rapidly developing scientific and technological fields in recent years. It is the research and development of theories, methods and technologies for simulating, extending and expanding human intelligence on the basis of big data processing. Deep learning is the core of artificial intelligence; The ability to update and upgrade the system autonomously is a significant feature. If the smart mine wants to become a digital intelligent body, it must have deep learning ability.

In the future, on the cloud platform and big data platform, multi-source online monitoring data and expert decision knowledge base will be integrated for data mining and knowledge discovery, artificial intelligence technology will be adopted for calculation, simulation and self-learning decision-making, and GIS based spatial analysis technology will be used to realize the coordination and optimization of equipment, environment, personnel and resources. Realize the automatic generation and dynamic update of mining mode.

(3) Cloud computing technology

The Internet of Things makes the connection between things and things established, with the increase of the coverage of the Internet, the information source and accommodation in the entire information network are also more and more; The increase in the number of information sources and homestay will inevitably lead to more and more information in the network, that is, big data will be generated in the network. The extensive and in-depth application of big data processing technology will reveal the internal relationship implied by data more clearly and more timely. The extraction and utilization of the intrinsic value of these big data needs to be supported by ultra-large scale and highly scalable cloud computing technology. The high-dimensional smart coal mining model requires cloud computing technology with high computing power and flexibility.

The above Internet of Things, big data and artificial intelligence, cloud computing technology and the existing technical equipment of production, safety and security systems are combined to develop and establish eight smart coal mine systems.

(4) 5G technology

With the improvement of the intelligent degree of coal mine production, underground drones, intelligent VR/AR and other equipment will be widely used in order to carry out timely on-site inspection and remote consultation on equipment faults. Whether it is UAV flight control, UAV inspection video return, or VR/AR intelligent remote equipment fault diagnosis and maintenance. It not only consumes network bandwidth resources greatly, but also needs fast information feedback and real-time state control.

The delay of 5G networks is (typically) about 10ms, the uplink stable bandwidth is about 150Mbps, the number of connections is 106 /km2, and the Quality of Service (QoS) of the network is up to 99.9999%. 5G network provides a strong support for the realization of various business scenarios of intelligent production in coal mines.

(5) VR/AR technology

Virtual reality (VR) and augmented reality (AR) are transformative technologies that can completely subvert traditional human-computer interaction content, and their application in coal mines is expected in the future. Its application can be divided into three stages: (1) It is mainly used for 3D modeling and virtual display, such as the current naked eye 3D technology, its basic demand is 20Mbps bandwidth +50ms delay, the existing 4G+WiFi can basically meet. (2) It is mainly used for interactive simulation and visualization design, such as multi-person underground training system, whose basic demand is 40Mbps bandwidth +20ms delay, which can be basically met by Pre5G. (3) It is mainly used for mixed reality, cloud real-time rendering and virtual-real fusion manipulation, such as virtual mining, collaborative operation and maintenance, etc., and its basic requirements are 100Mbps~10Gbps bandwidth +2ms delay requirements, which can be met by 5G or more advanced technology.