Swinging movement autoresonant electric drive with nonsymmetric excitation of dynamically counter-balanced drilling string on carrying cable

E. A. Zagrivnyi; A. N. Fomenko

Vol 189

Pages:

95

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RUS

Mining machine, electrical engineering and electromechanics

Swinging movement autoresonant electric drive with nonsymmetric excitation of dynamically counter-balanced drilling string on carrying cable

Authors:

E. A. Zagrivnyi¹

A. N. Fomenko²

About authors

1 — Saint Petersburg State Mining Institute (Technical University)
2 — Saint Petersburg State Mining Institute (Technical University)

Date submitted:

2010-07-21

Date accepted:

2010-09-28

Date published:

2011-01-01

Abstract

Considered nonsymmetric mode of drill bit oscillations when forming a unipolar electromagnetic torque on each cycle oscillations of dynamically balanced drill . Developed a method for estimating speed of rotation drill around its axis when working in the nonsymmetric mode at first approximation .

References

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Fomenko A.N. Resonant electric drive of dynamically counterbalanced drilling string on carrying cable with swinging movement. «Challenges and solutions in mineral industry». 2009.

Swinging movement autoresonant electric drive with nonsymmetric excitation of dynamically counter-balanced drilling string on carrying cable

Abstract

References

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