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The machines used in hard coal mining must exhibit very good technical, safety and reliability parameters. These parameters determine their efficiency, operational safety and effectiveness of the entire production process. The last several decades have seen increased mechanisation of the mining process. Increasingly more cutting-edge and efficient machines have been used for this purpose. Attempts have also been made to partially or fully automate the process of mining. The concept of an ?intelligent? mine has com...

The effectiveness of the currently used hard coal mining technologies results from the mechanisation of this process. Exploitation through long faces with high performance rate is possible thanks to the application of longwall shearers and automated longwall systems. These systems allow for quick and effective mining of the body of coal and transportation of the extracted material from the face region. Their role is also to ensure safety for the working crew. The basic constituent part of the system is a longwall ...

The dynamic changes occurring in recent years in the global industry have been referred to as the fourth industrial revolution. The main assumption behind this concept is extensive implementation of IT and ICT developments into production processes. Production processes should make maximum use of the latest technologies, thus leading to the creation of intelligent factories in the end. In such a factory, wireless network systems are supposed to quickly and reliably combine all the components of the production proc...