| 20110029279 | METHOD FOR POSITION-CALIBRATION OF A DIGGING ASSEMBLY FOR ELECTRIC MINING SHOVELS - The present invention relates generally to the field of positioning mechanical equipment, and particularly to the likes of mechanical excavation and electric mining shovels. In one embodiment, there is disclosed a system for calibrating the sensors that measure hoist and crowd motions for an electric mining shovel, enabling the position of a bucket to be known with greater accuracy than can be achieved using previously known approaches. | 02-03-2011 |
