RESEARCH PAPERS: Textile Industries Papers

Automatic Moisture Sensor for Measurement and Control of Cotton Ginning Processes

[+] Author and Article Information
A. H. Waldie, S. E. Hughs, M. N. Gillum

Southwestern Cotton Ginning Research Laboratory, USDA, SEA-AR, Mesilla Park, N.M. 88047

J. Eng. Ind 105(1), 27-30 (Feb 01, 1983) (4 pages) doi:10.1115/1.3185860 History: Received June 25, 1982; Online July 30, 2009


Cotton fiber moisture content is one of the most important factors that affects the operation of the cotton ginning process. A system has been developed that measures cotton’s dielectric constant and density with sufficient accuracy to indicate moisture content of the fiber during processing. An electronic capacitor and a pneumatic density sensor supply measurements to a microprocessor which combines them into a predicted moisture content. Tests showed that these predicted readings are more precise than conventional oven-moisture determinations and that they can be used for process control in the ranges from 6.5- to 12-percent moisture content.

Copyright © 1983 by ASME
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