Abstract
The use of innovative technologies in hard coal production directs the development of the whole industry. The pace of environmental and social changes generates the need for continuous improvement of the coal mining process. Technological solutions of other industries that are used on a large scale are often implemented in extracting hard coal. One of the critical areas requiring continuous improvement in coal production is the machine park. This area is the most essential part of the entire production process. Machines and equipment require constant monitoring to ensure production continuity. A solution that covers this issue is the measuring and recording system that monitors the geometric parameters of the powered roof support. The system uses MEMS technologies to measure changes in the inclination of the powered roof support’s elements. The measuring system allows us to define the height and inclination of the powered roof support in the mining wall. The paper presents how the MEMS technology is used in sensors and the course of bench tests of the powered roof support, which were one of the stages determining the guidelines for the system’s operation in real conditions.
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