AUTOMATIC GRADING SYSTEM FOR CONSTRUCTION MACHINE AND METHOD FOR CONTROLLING THE SAME

摘要

The present invention relates to an automatic grading system for a construction machine, including: a work apparatus having a boom connected pivotally to one side of a vehicle body, an arm connected pivotally to a front end portion of the boom, and a bucket connected pivotally to a front end portion of the arm; a boom angle detection sensor mounted on one side of the boom; an arm angle detection sensor mounted on one side of the arm; a switch panel on which a standard grading mode switch, a grading history storage switch, and a history grading mode switch selected for a grading work are disposed; an electronic control unit adapted to receive grade input signals applied from the angle detection sensors at the time when the grading mode switches and a joystick for controlling the work apparatus are manipulated and to calculate the grade input signals in accordance with a predetermined control algorithm.