Computerized data acquisition system for tractor field performance

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Bedri, AbdelRahman
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Agricultural and Biosystems Engineering

Since 1905, the Department of Agricultural Engineering, now the Department of Agricultural and Biosystems Engineering (ABE), has been a leader in providing engineering solutions to agricultural problems in the United States and the world. The department’s original mission was to mechanize agriculture. That mission has evolved to encompass a global view of the entire food production system–the wise management of natural resources in the production, processing, storage, handling, and use of food fiber and other biological products.

In 1905 Agricultural Engineering was recognized as a subdivision of the Department of Agronomy, and in 1907 it was recognized as a unique department. It was renamed the Department of Agricultural and Biosystems Engineering in 1990. The department merged with the Department of Industrial Education and Technology in 2004.

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  • Department of Agricultural Engineering (1907–1990)

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A John Deere farm tractor model 4430 H was instrumented to monitor forward velocity, slip, area operated by implement, rate of fuel consumption, total fuel consumption, theoretical field time and total field time. Two magnetic pickups each with a ferrous gear were used to monitor the angular velocity of the right front and rear wheels. The fuel consumption was monitored with a single turbine flow transducer. An intermediate float tank system was used to accommodate the return fuel from the injector pump and injectors. A micro switch was also used to detect the operating position of the implement. The transducers attached to the tractor did not require any major alteration of the tractor system or restrict its operation;A single board microcomputer tractor performance monitor based on Intel 8035 single chip microcomputer was developed to monitor the inputs of the transducers and controls and to calculate and display the values of the monitored parameters. The developed tractor performance monitor had the following capabilities: (1) 2048 8-bit words of program memory; (2) 64 8-bit words of data memory; (3) one 8-bit data input port; (4) two 3-digit and three 2-digit displays; (5) single step unit; (6) single 5-volt power supply; and (7) expansion capabilities with (i) 2048 8-bit words of program memory, (ii) 256 8-bit words of data memory, and (iii) virtually unlimited input/output ports;The instrumented tractor was tested with a chisel plow and a tandem disc harrow in a slightly wet combine harvested corn field. All the transducers functioned properly and proved to be reliable under field conditions. The system also was easy and simple to use without restricting operator movement. The operator starts and stops the data acquisition of the monitor with an easily-reached switch.

Thu Jan 01 00:00:00 UTC 1981