Patent · US Active

Controlling a digging operation of an industrial machine

US8355847B2 · kind B2 · utility

24Cited by

26References

23Claims

0Family size

Assignee

Harnischfeger Technologies, Inc. · US

Inventors

Joseph J. Colwell · Richfield, US
William J. Hren · Wauwatosa, US
David Wendt · Hobe Sound, US
Michael Linstroth · Port Washington, US

Key dates

Filing date	Aug 31, 2011
Grant date	Jan 15, 2013
Priority date	—
Expiry date	Aug 31, 2031

Classification

Technology area (CPC E)Fixed Constructions
CPC primaryE02F9/265
WIPO fieldCivil engineering
WIPO sectorOther fields

Abstract

Systems, methods, devices, and computer readable media for controlling a digging operation of an industrial machine that includes a dipper and a crowd drive. A method includes determining an acceleration associated with the industrial machine, determining a crowd retract factor based on the acceleration, comparing the crowd retract factor to a threshold crowd retract factor, setting a crowd speed reference and a crowd retract torque for the crowd drive for a period of time based on the comparison of the crowd retract factor to the threshold crowd retract factor.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.