University of Khartoum

CAN-Bus based Power and Energy Demand for Tractor-Implement Field Operations

CAN-Bus based Power and Energy Demand for Tractor-Implement Field Operations

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Title: CAN-Bus based Power and Energy Demand for Tractor-Implement Field Operations
Author: Yousif, Safwan Abdalla Mohamed; Abdalhafiz, Abdalgader Mirghani; Ahmed, Ahmed Greeb allah
Abstract: Modern agricultural production continues to become more technology driven with the greater use of information technology on-bored tractors. CAN technology has improved tractor diagnostics and enabled tractor-implement management to be easier through ISOBUS. Direct measurement of CAN-Bus messages includes average operating speed, engine load, and engine torque and fuel consumption. Furthermore analysis of engine loading provides a direct assessment of the power and energy demand for specific tractor-implement pairs and can be used for monitoring tractorimplement performance and management decision. In this study Controller Area Network (CAN) Bus technology is being discussed and comprehensively reviewed. CAN/Bus interface was used for measuring and recording tractor fuel consumption of 119.3 kW MASSEY FERGUSON model 7485 agricultural tractor. Actual field data was successfully collected for chiseling and harrowing at various speeds and depths. CAN-Bus data were compared to ASAE standards and OECD test by NTTL. The power predicted by ASABE is in the range of 16.8-32.6% higher than the power obtained by CAN-Bus, and OECD test range of 59–90% for harrowing operation. The Fuel consumption predicted by ASAE (2003) equation is in the range of 60– 126% higher than the power obtained by CAN-Bus, ASABE (2015) equation in the range of 31–40% and OECD test range of 71–81% for harrowing operation. Shift up, Throttle down Technique was used and a saving of 21% of fuel is achieved. New categories of tractor loading ranges are proposed as heavily (75-97%), moderately (50-75%) and lightly (26.4-50%), and they are compatible with OECD test. Fuel consumption was affected by tillage depth and a saving of 75% of fuel is achieved when reduce tillage depth from 40 to 25 cm.
URI: http://khartoumspace.uofk.edu/123456789/25590
Date: 2016-11


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