Full-condition monitoring and intelligent yield prediction and decisio-nmaking technology for wheat combine harvesters.

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Bibliographic Details
Title:	Full-condition monitoring and intelligent yield prediction and decisio-nmaking technology for wheat combine harvesters.
Authors:	Weipeng Zhang¹ zhangwellp@163.com, Hongze Guo¹ johnguohz@163.com, Bo Zhao¹ zhaoboshi@126.com, Liming Zhou¹ haibo1129@163.com, Fengzhu Wang¹ wangfengzhu1@126.com, Dongyang Wang² zpt_wdy@szpu.edu.cn, Yangchun Liu¹ lyc327@163.com
Source:	International Journal of Agricultural & Biological Engineering. Dec2025, Vol. 18 Issue 6, p202-211. 10p.
Subjects:	Combines (Agricultural machinery), Controller area network (Computer network), High technology, Flow sensors, Agricultural forecasts, Fault diagnosis, Precision farming
Abstract:	Against the backdrop of precision agriculture and the development of intelligent agricultural machinery, current domestic monitoring systems for wheat combine harvesters are plagued by limited functionality, low intelligence, significant errors in parameter monitoring, and yield estimation results prone to inaccuracies. Specifically, they lag behind mature international systems in terms of fault warning accuracy, data transmission efficiency, and yield visualization capabilities. This study seeks to realize comprehensive and precise monitoring, reliable fault early warning, and intelligent yield prediction for wheat combine harvesters across all operating conditions. To this end, it innovatively adopts CAN bus integration technology and impulse-type grain flow sensors to develop a comprehensive system for monitoring the operational status and warning faults of wheat combine harvesters, which covers the entire operational process. By integrating GPS positioning, multi-sensor parameter acquisition, and intelligent analysis modules through CAN bus integration, the system enables unified monitoring of geographic information, operational data, cleaning loss, and fault status. Additionally, it incorporates a yield measurement module based on an impulse-type grain flow sensor to generate the real-time yield distribution maps. Field experiments demonstrate that the system achieves an alarm accuracy of 97.3%, controls the fuel consumption measurement error within 5%, and limits the relative error of yield measurement accuracy to no more than 4%. Notably, the impulse-type grain flow sensor exhibits stable static detection accuracy and rapid, precise dynamic measurement performance--laying a solid foundation for the automation and intelligent advancement of combine harvester technologies. [ABSTRACT FROM AUTHOR]
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Database:	Engineering Source

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Abstract:	Against the backdrop of precision agriculture and the development of intelligent agricultural machinery, current domestic monitoring systems for wheat combine harvesters are plagued by limited functionality, low intelligence, significant errors in parameter monitoring, and yield estimation results prone to inaccuracies. Specifically, they lag behind mature international systems in terms of fault warning accuracy, data transmission efficiency, and yield visualization capabilities. This study seeks to realize comprehensive and precise monitoring, reliable fault early warning, and intelligent yield prediction for wheat combine harvesters across all operating conditions. To this end, it innovatively adopts CAN bus integration technology and impulse-type grain flow sensors to develop a comprehensive system for monitoring the operational status and warning faults of wheat combine harvesters, which covers the entire operational process. By integrating GPS positioning, multi-sensor parameter acquisition, and intelligent analysis modules through CAN bus integration, the system enables unified monitoring of geographic information, operational data, cleaning loss, and fault status. Additionally, it incorporates a yield measurement module based on an impulse-type grain flow sensor to generate the real-time yield distribution maps. Field experiments demonstrate that the system achieves an alarm accuracy of 97.3%, controls the fuel consumption measurement error within 5%, and limits the relative error of yield measurement accuracy to no more than 4%. Notably, the impulse-type grain flow sensor exhibits stable static detection accuracy and rapid, precise dynamic measurement performance--laying a solid foundation for the automation and intelligent advancement of combine harvester technologies. [ABSTRACT FROM AUTHOR]
ISSN:	19346344
DOI:	10.25165/j.ijabe.20251806.8780