Method and system for controlling an excavating apparatus

Details Method and system for controlling an excavating apparatus Method and system for controlling an excavating apparatus

2011-04-12

2011-04-12

Neuder, William P (Department: 3672)

Boring or penetrating the earth

Automatic control

C175S025000

Reexamination Certificate

active

07921936

ABSTRACT:
A method for controlling a drilling apparatus comprising the steps of applying a rotation force to a drilling part of the drilling apparatus, applying a feed force to the drilling part with the feed force comprising a predetermined modulating frequency signal and predetermined feed force, wherein optimum predetermined feed force is determined periodically from sensed data relating to at least one of the rotation force and feed force to optimise the penetration rate of the drilling apparatus.

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patent: 7604070 (2009-10-01), Kemppainen
International Search Report issued by the International Searching Authority (ISA/AU) on Mar. 27, 2006 in connection with International Application No. PCT/AU2006/000241.
WO 1997/008428 A1 (Atlas COPCO Craelius AB) Mar. 6, 1997.
WO 1992/012329 A1 (Tamrock Oy) Jul. 23, 1992.

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