WSEAS Transactions on Systems
Print ISSN: 1109-2777, E-ISSN: 2224-2678
Volume 14, 2015
Fuzzy Logic Inference of Technological Parameters of the Combine-Harvester
Authors: , ,
Abstract: The problem of determining optimal values of the combine-harvester technological parameters in changing external conditions is considered. A brief overview of the existing approaches to the solution of the given problem and the fields of their application is presented. We note the expediency of applying a new approach that is stipulated by the necessity of an efficient choice of values of the harvester technological parameters in field conditions when external factors constantly change and the assessment of their values is approximate and presented by experts. This type of assessments is referred to fuzzy data. To describe the environmental factors, the machine parameters and qualitative performance characteristics we have introduced linguistic variables, developed their membership functions and formulated production rules. We have considered the process of fuzzy logic inference of values of the most important adjustable parameters of the combine: travelling speeds and rotational speeds of a threshing drum. A knowledge base and an inference engine forming the basis of the expert system have been created. We have implemented the software that uses our fuzzy model for the automation of the harvester technological adjustment in the field.
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Keywords: combine-harvester, technological adjustment, fuzzy knowledge, linguistic variable, expert system
Pages: 278-285
WSEAS Transactions on Systems, ISSN / E-ISSN: 1109-2777 / 2224-2678, Volume 14, 2015, Art. #26