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Improving tractive efficiency during cultivation through real time force measurement

A two page technical note outlining a Harper Adams Engineering Department research project to develop an advanced control system to improve tractive efficiency during cultivation.

Year of Publication2010

A Bomford Trust supported postgraduate research project is underway at Harper Adams to develop an advanced control system to improve tractive efficiency during cultivation. Although systems capable of controlling these properties are in use on modern tractors, they are simplistic in that they assume constant operating conditions and do not use real time feedback. Four models have been developed based on established mathematics covering the behaviour of implements during cultivation and how they can influence drawbar pull, wheel loads and tractive efficiency. An advanced control system could then use these models with measured force and soil property data to adjust the tractor’s operational parameters in real time, bringing improvements in tractive efficiency, lower fuel consumption and faster work rates. The project is still at an early stage. Initial results show potential, but the extent to which tractive efficiency can be measured and improved in real time is yet to be fully established. New soil sensing technology may also be needed

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terramechanicssoil management
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Supporting the development of the national rural economy.

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