Modelling and optimising the nexus between operating parameters of combine harvester and grain loss during harvest in Malaysian paddy field / Nor Azi Asminda Johari

Paddy cultivation is one of the largest contributors to feeding Malaysian since it serves as a staple food. Harvesting is the most critical factor that should be given big attention in paddy cultivation since it directly affects the grain loss in the field. During the operation, improper management...

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Main Author: Johari, Nor Azi Asminda
Format: Thesis
Language:English
Published: 2022
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Online Access:https://ir.uitm.edu.my/id/eprint/75809/1/75809.pdf
https://ir.uitm.edu.my/id/eprint/75809/
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spelling my.uitm.ir.758092023-03-31T01:30:13Z https://ir.uitm.edu.my/id/eprint/75809/ Modelling and optimising the nexus between operating parameters of combine harvester and grain loss during harvest in Malaysian paddy field / Nor Azi Asminda Johari Johari, Nor Azi Asminda Cereals and grain. Milling industry Paddy cultivation is one of the largest contributors to feeding Malaysian since it serves as a staple food. Harvesting is the most critical factor that should be given big attention in paddy cultivation since it directly affects the grain loss in the field. During the operation, improper management of some operating parameters, such as combine harvester handling and crop physiological factors, may lead to excessive grain loss. Five operating parameters usually affect the grain loss (GL), namely field speed (FS), grain moisture content (GMC), soil moisture content (SMC), soil compaction (SC), and cutting height (CH). However, the relationship between grain loss and these operating parameters of mechanized rice harvesting in Malaysia is rarely studied. Thus, the study was conducted to investigate the effect of these operating parameters on grain loss during the mechanized rice harvesting operation. Modelling and optimizing the significant operating parameters for predicting grain loss were also developed. Besides that, the simulation of the control system using MATLAB was designed based on the developed predictive empirical model for minimizing grain loss and evaluating the field performance of the rice combine harvester during harvesting operations. Lastly, the spatial variability maps towards the significant operating parameters and grain loss were also visualized. To collect the data, daily paddy harvesting operations with New Holland Clayson 8080 combine harvester were observed at rice granaries in the Sekinchan district of Selangor state of Malaysia through a field observation measurement method on December 2017. The total grain loss was measured based on the header loss test and processing loss test. Results from statistical analysis proved that operating parameters have highly significant effects on grain loss. 2022 Thesis NonPeerReviewed text en https://ir.uitm.edu.my/id/eprint/75809/1/75809.pdf Modelling and optimising the nexus between operating parameters of combine harvester and grain loss during harvest in Malaysian paddy field / Nor Azi Asminda Johari. (2022) PhD thesis, thesis, Universiti Teknologi MARA (UiTM).
institution Universiti Teknologi Mara
building Tun Abdul Razak Library
collection Institutional Repository
continent Asia
country Malaysia
content_provider Universiti Teknologi Mara
content_source UiTM Institutional Repository
url_provider http://ir.uitm.edu.my/
language English
topic Cereals and grain. Milling industry
spellingShingle Cereals and grain. Milling industry
Johari, Nor Azi Asminda
Modelling and optimising the nexus between operating parameters of combine harvester and grain loss during harvest in Malaysian paddy field / Nor Azi Asminda Johari
description Paddy cultivation is one of the largest contributors to feeding Malaysian since it serves as a staple food. Harvesting is the most critical factor that should be given big attention in paddy cultivation since it directly affects the grain loss in the field. During the operation, improper management of some operating parameters, such as combine harvester handling and crop physiological factors, may lead to excessive grain loss. Five operating parameters usually affect the grain loss (GL), namely field speed (FS), grain moisture content (GMC), soil moisture content (SMC), soil compaction (SC), and cutting height (CH). However, the relationship between grain loss and these operating parameters of mechanized rice harvesting in Malaysia is rarely studied. Thus, the study was conducted to investigate the effect of these operating parameters on grain loss during the mechanized rice harvesting operation. Modelling and optimizing the significant operating parameters for predicting grain loss were also developed. Besides that, the simulation of the control system using MATLAB was designed based on the developed predictive empirical model for minimizing grain loss and evaluating the field performance of the rice combine harvester during harvesting operations. Lastly, the spatial variability maps towards the significant operating parameters and grain loss were also visualized. To collect the data, daily paddy harvesting operations with New Holland Clayson 8080 combine harvester were observed at rice granaries in the Sekinchan district of Selangor state of Malaysia through a field observation measurement method on December 2017. The total grain loss was measured based on the header loss test and processing loss test. Results from statistical analysis proved that operating parameters have highly significant effects on grain loss.
format Thesis
author Johari, Nor Azi Asminda
author_facet Johari, Nor Azi Asminda
author_sort Johari, Nor Azi Asminda
title Modelling and optimising the nexus between operating parameters of combine harvester and grain loss during harvest in Malaysian paddy field / Nor Azi Asminda Johari
title_short Modelling and optimising the nexus between operating parameters of combine harvester and grain loss during harvest in Malaysian paddy field / Nor Azi Asminda Johari
title_full Modelling and optimising the nexus between operating parameters of combine harvester and grain loss during harvest in Malaysian paddy field / Nor Azi Asminda Johari
title_fullStr Modelling and optimising the nexus between operating parameters of combine harvester and grain loss during harvest in Malaysian paddy field / Nor Azi Asminda Johari
title_full_unstemmed Modelling and optimising the nexus between operating parameters of combine harvester and grain loss during harvest in Malaysian paddy field / Nor Azi Asminda Johari
title_sort modelling and optimising the nexus between operating parameters of combine harvester and grain loss during harvest in malaysian paddy field / nor azi asminda johari
publishDate 2022
url https://ir.uitm.edu.my/id/eprint/75809/1/75809.pdf
https://ir.uitm.edu.my/id/eprint/75809/
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score 13.211869