Study on fault diagnosis and load feedback control system of combine harvester

Ying Li; Kun Wang

doi:10.1117/12.2265355

23 January 2017 Study on fault diagnosis and load feedback control system of combine harvester

Ying Li, Kun Wang

Proceedings Volume 10322, Seventh International Conference on Electronics and Information Engineering; 103223I (2017) https://doi.org/10.1117/12.2265355
Event: Seventh International Conference on Electronics and Information Engineering, 2016, Nanjing, China

Abstract

In order to timely gain working status parameters of operating parts in combine harvester and improve its operating efficiency, fault diagnosis and load feedback control system is designed. In the system, rotation speed sensors were used to gather these signals of forward speed and rotation speeds of intermediate shaft, conveying trough, tangential and longitudinal flow threshing rotors, grain conveying auger. Using C8051 single chip microcomputer (SCM) as processor for main control unit, faults diagnosis and forward speed control were carried through by rotation speed ratio analysis of each channel rotation speed and intermediate shaft rotation speed by use of multi-sensor fused fuzzy control algorithm, and these processing results would be sent to touch screen and display work status of combine harvester. Field trials manifest that fault monitoring and load feedback control system has good man-machine interaction and the fault diagnosis method based on rotation speed ratios has low false alarm rate, and the system can realize automation control of forward speed for combine harvester.

Citation Download Citation

Ying Li and Kun Wang "Study on fault diagnosis and load feedback control system of combine harvester", Proc. SPIE 10322, Seventh International Conference on Electronics and Information Engineering, 103223I (23 January 2017); https://doi.org/10.1117/12.2265355

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