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Comments on “Hydroelastic impact of a horizontal floating plate with forward speed” [J. Fluids Struct. 60 (2016) 97–113]
, Article Journal of Fluids and Structures ; Volume 81 , 2018 , Pages 378-382 ; 08899746 (ISSN) ; Rahbar Ranji, A ; Haddadpour, H ; Sharif University of Technology
Academic Press
2018
Abstract
This comment concerns the mathematical errors in the recent work of Wang et al. (2016). The corrected equations are presented. Deflections and critical values of compressive force and forward speed are modified. © 2018 Elsevier Ltd
Design of fuzzy logic control system incorporating human expert knowledge for combine harvester
, Article Expert Systems with Applications ; Volume 37, Issue 10 , 2010 , Pages 7080-7085 ; 09574174 (ISSN) ; Lashgari, M ; Mobli, H ; Alimardani, R ; Mohtasebi, S ; Hesamifard, R ; Sharif University of Technology
Abstract
Many factors affect the yield loss in wheat harvesting with a grain combine harvester. Grain harvesting is a non-linear process, is of considerable complexity, and there is no mathematical model to describe the behavior of this complex system. In this paper, a fuzzy logic controller (FLC) incorporating human expert knowledge is designed for automatic adjustment and control of the harvester to achieve minimal grain losses especially at the position of straw walker and upper sieve. The FLC automatically adjusts cylinder speed, concave clearance, fan speed and forward speed of the combine based on the measured losses at straw walker and sieve sections. The designed FLC expert system consists...