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An adaptive learning algorithm based on genetic algorithms (GA) is presented for automatic tuning of proportional, integral and derivative (PID) controllers in Heating Ventilating and Air Conditioning (HVAC) systems to achieve optimal performance. Genetic algorithms are employed since they have been proved to be robust and efficient in finding near-optimal solutions in complex problem spaces. The...
The process consists of smelting a mixture of fly ash, quick lime, and river sand in an electric furnace at 1400-1700° and refining by the addition of crystalline Si after removal of slag.
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