Automatic Control of the Combine(II) -Automatic Header Height Control of the Head-feed Combine-

콤바인의 자동제어(自動制御)에 관한 연구(硏究)(II) -자탈형(自脱型) 콤바인의 예취(刈取)높이제어(制御)-

This study was intended to develop the system which controls header height of combine automatically by means of sensing the difference between the header and the ground surface. A micro-computer was used for the controller. The sensing unit designed for the study was composed of potentiometer, oscillating link, and gage wheel. An electric-hydraulic circuit was driven by microcomputer to control header height of combine. Performance of the control system was tested by computer simulation, stationary operation of header, and traveling on the simulated ground.