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A microprocessor based tea dryer controller

This paper reports in detail the design of a microprocessor based system for providing efficient and sophisticated control in tea processing operations. At first it discusses in brief the control strategies being followed by the Indian tea industry. All the monitoring and control activities of the tea processing are at present being done manually yielding typical throughputs of 80 kg/hr to 250 kg/hr. A proposal to optimise the process through automation by a microprocessor based system is presented and the control functions of the microprocessor system are discussed. The expected savings in the operating expenditure and increase in throughputs are also projected.