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It is very important for ensuring the mine's safety and protecting the environment to inspect the concentration of CH4 in time. It is advantageous for control center to keep fluent communication with far excavate coal spot; it enhances the safety factor and solves the problem of telecommunication. The cost of system is low and the quondam communications cable can be used.
Most existing researches on Coalmine Virtual Environment (CMVE) are mainly concentrated on the geometric presentation or real-time dynamics to create immersive experiences in virtual environment and little attention has been paid on system modeling methodology and formal specification of CMVE. Based on Multi-agent technology, a hierarchical architecture for CMVE was proposed, which consists of ??Hardware,...
Gas migrating in goaf and congregating in upper corner result in gas over limit in upper corner which greatly influences coal mining safety. To explore the cause of upper corner gas over limit and control it, this paper provides Lattice Boltzmann Method (LBM) simulation of gas migration and control in goaf of fully mechanized coal caving mining face. After analyzing the characteristics of goaf, a...
A cost effective ZigBee-based wireless mine supervising system is presented in this article. This scheme used intelligent helmets as voice terminal and ultra-low-power nodes of wireless sensor network.The programme adopted ZigBee wireless technology to build wireless sensor networks, realized real-time surveillance with early-warning intelligence on methane, temperature, humidity in mining area, and...
It is necessary to guarantee that timely diagnosis of fans of coal fault is for mine safety production in enterprises. To establish fans of coal fault diagnosis expert system is a kind of effective way for improving fans fault diagnosis. The roughness set is applied to fans fault expert system for knowledge; this way can improve the objectivity of mining knowledge, which to establish effectively fans...
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