| 摘要 |
The present invention relates to a method for automatically controlling the speed ratio of swing and boom operation of the excavator, which makes the operator perform the dig-up task in a easy and precise manner by adapting an electronic control using micro-module and sensors and so forth. The controlling method according to the present invention utilizes the angular velocity for the swing and the boom operation which is dependent on the position of the truck and is preset by the operator in the input/output board of the controller. When the dig-up task is performed, the operator will operate the joy sticks for the swing and the boom as much as possible and the controller enables the swing operation to move to the desired position without dropping a lump of earth. Again, when the operator operates the joy sticks for the dipper and the bucket in the same manner, the dipper and the bucket will move to the position in which the truck is placed.
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