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Large-scale overland belt conveyor systems have been installed in mining to meet the increasing demand for higher capacity and longer distance continuous transport of bulk material. Currently, the Overall Equipment Effectiveness of belt conveyors (availability, utilization & load-factor) is a major concern for mining operators. The downtime of overland conveyors leads to the stoppage of bulk material...
Power efficiency is critical for electrical stimulators. Battery life of wearable stimulators and wireless power transmission in implanted systems are common limiting factors. Boost DC/DC converters are typically needed to increase the supply voltage of the output stage. Traditionally, boost DC/DC converters are used with fast control to regulate the supply voltage of the output. However, since stimulators...
Miners working at high altitude must handle extreme climatic and physiological hazards without specialized medical supervision. For this reason, the mining industry is constantly looking for improvements to existing Occupational Safety and Health (OS&H) programs in order to enhance working conditions for people and equipment. This paper presents the design and implementation of a continuous monitoring...
Proper control of temperature and electrolyte circulation flow is mandatory in electrolytic cells to produce dense and high-purity cathodes. The electrochemical kinetics of electrolytic processes is inherently dependent on these electrolyte variables. Continuous monitoring of electrolyte condition integrated to operation and housekeeping procedures, allows enhancing cathode quality and electrodeposition...
This work presents the design and implementation of a continuous monitoring device to control the health state of workers, for instance miners, at high altitudes. The extreme ambient conditions are harmful for peoples' health; therefore a continuous control of the workers' vital signs is necessary. The developed system includes physiological variables: electrocardiogram (ECG), respiratory activity...
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