Title page for ETD etd-1109102-124123

Type of Document Master's Thesis
Author Benjamin, Caryn Elizabeth
Author's Email Address cbenja1@lsu.edu
URN etd-1109102-124123
Title Sugar Cane Yield Monitoring System
Degree Master of Science in Biological & Agricultural Engineering (M.S.B.A.E.)
Department Biological and Agricultural Engineering
Advisory Committee
Advisor Name Title
Randy R. Price Committee Chair
Kenneth A. Gravois Committee Member
Steven G. Hall Committee Member
  • yield monitor
  • precision farming
  • sugar cane
Date of Defense 2002-11-04
Availability unrestricted
This project involved the design and testing of a sugar cane yield monitoring system during the 1999 and 2000-harvest seasons. The system was mounted on a CAMECO CH 2500 1997 sugar cane combine. The sugar cane yield monitoring system consisted of a scale, a data acquisition system, and a differential global positioning system (DGPS). The scale consisted of a weigh plate supported by load cell(s). The load cell(s) were supported by a protective box, which mounted to the frame of the harvester. The scale, which was mounted in the floor of the elevator, directly recorded instantaneous measurements of the sugar cane yield (weight). A dump wagon equipped with a weighing system (weigh wagon) was used for each test as the standard. Experiments were run with different levels of cane maturity, variety, row/section length, and flow rate. For each test, the scale readings were totaled and compared to the actual yield, which was measured by the weigh wagon. The yield sensor predicted the sugar cane yield with a slope of 0.900 and a R-squared of 0.966. The scale's average percent error was 11.05 percent. The results also showed that the different cane varieties had an effect on the scale readings, but the maturity of the cane, section length, and the flow rate did not have a significant effect on the scale readings.
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