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The small sugarcane harvester is the main model that it is fitted for hilly areas, but it is vulnerable to conveying failure. To breakthrough the limitation of individual harvester`s structural improvement traditionally, Traditionally structural improvement to the individual harvester is not generally effective to solve it. This paper finds that the relationship between the randomness of the sugarcane growth and the harvester conveying capabilities should be taken into consideration so as to avoid the conveying failure risk of sugarcanes stacking up. Queuing theory is introduced to establish the mathematical model of cane feeding to and conveying through the harvester and the analysis shows that the higher the speed of sugarcane conveying the less possibility there is congestion. Using virtual simulation technology, this paper simulates the process of canes flow feeding into the harvester based on FLEXSIM and finds that increasing conveying speed from 0.8 m/s to 1.6 m/s would lead to the possibility of congestion being reduced from 20.3%to 6.28%.This paper proposes a way to increase the conveying speed of the harvester by minor retrofit without increasing the driving power. Field experiment shows that the congestion rate is getting lower as the conveying speed increases and it is better to keep the conveying speed at least higher than 1.1m/s. Therefore, improving the conveying speed provides a new idea to reduce conveying congestion for the small scale sugarcane harvester. Keywords—small sugarcane harvester; conveying failure; queuing theory; virtual simulation

Small Sugarcane Harvester Conveying Failure Analysis