1. 25-05-20041 Kingdom of Saudi Arabia King Saud University College of Food and Agricultural sciences Agricultural Engineering Dept MICROPROCESSOR UNIT FOR MONITORING PERFORMANCE OF AGRICULTURAL TRACTOR BASED ON MS VISUAL C++ Abdulrahman A. Al-Janobi King Saud University Riyadh, Saudi Arabia janobi@ksu.edu.sa

2. 25-5-20042 King Saud University College of Agriculture was established in 1965. College of Agriculture was established in 1965. Department of Agricultural Engineering was established in 1980 Department of Agricultural Engineering was established in 1980 We have 18 faculty members (power & machinery, Irrigation, Food processing, environment engineering) We have 18 faculty members (power & machinery, Irrigation, Food processing, environment engineering)

3. 25-5-20043 Introduction Implement Connection

4. 25-5-20044 Introduction Implement Connection

5. 25-5-20045 Tractor Jobs Off Road Tractor Performance: To get the most from the tractor. On Road Stability and Safety

6. 25-5-20046 Instrumented Tractor In 1994, we established an instrumented tractor. The tractor was improved during these 10 years.

7. 25-5-20047 Objective The objective of this project was to develop a microprocessor unit to measure a set of performance parameters of an instrumented tractor with mounted implements.

8. 25-5-20048 MICROPROCESSOR UNIT Hardware Hardware Software Software - Off Road (Performance) - On Road (Stability)

9. 25-5-20049 MICROPROCESSOR UNIT FOR MONITORING PERFORMANCE OF AGRICULTURAL TRACTOR BASED ON MS VISUAL C++ Data Collection Unit Distributed Box DataLogger DBK11 DBK13 Torque on Rear Wheel Torque on Front Wheel Forces on TPL Draw Bar Force Stability MICROPROCESSOR UNIT FWS RWS 5 th S r.p.m Fuel

10. 25-5-200410 Torque on Front Wheel

11. 25-5-200411 Forces on TPL

12. 25-5-200412 Stability

13. 25-5-200413 Fifth Wheel

14. 25-5-200414 Engine Speed

15. 25-5-200415 Fuel Sensor

16. 25-5-200416 Distributed Unit MICROPROCESSOR UNIT

17. 25-5-200417 Processing Unit ASUS L4 SERIES P4 speed of 2.4 GHz 40 G Byte hard Disk memory with 56MByte

18. 25-5-200418 start Information about Experiment Tractor Information Convert data to values based on Calibration Calculate the performance Save Data as Input File Save Data as output file Present Data in Figures, value, and indicator End Save the reading in Raw File Receive Data from Sensors Off Road

19. 25-5-200419 start Information about Experiment Tractor Information Convert data to values based on Calibration Calculate the performance Save Data as Input File Save Data as output file Present Data in Figures, value, and indicator End Is the tractor angle critical Warning Save the reading in Raw File Receive Data from Sensors Yes No On Road

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25. 25-5-200425 Offline.exe

26. 25-5-200426 Do We need all these sensors to get benefit of this microprocessor Unit?

27. 25-5-200427 A program for predicting tractor performance in Visual C++ S. A. Al-Hamed, A. A. Al-Janobi Agricultural Engineering Department, King Saud University, P.O. Box 2460, Riyadh 11451, Saudi Arabi Computers and Electronics in Agriculture, 31:137-149

28. 25-5-200428 Future Works Develop microprocessor unit with simulation to predict the performance of the tractor off road of the tractor off road based only on based only on Speed and Slip Speed and Slip

29. 25-5-200429 End