Input shaping has been shown to be a practical and effective control scheme for reducing payload swing on industrial bridge and gantry cranes. However, when applied to tower cranes, standard input shapers will have degraded performance due to the nonlinear dynamics of rotational motion. To alleviate this problem, two new command generators for tower cranes are developed for a point-to-point slewing motion. It is shown that standard shaping techniques greatly reduce oscillation and the new tower crane command generators cause even less residual vibration. Simulations and experiments verify the results.
Issue Section:
Research Papers
1.
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, K.-T.
, and Hong
, K.-S.
, 2004, “Input Shaping and vsc of Container Cranes
,” IEEE International Conference on Control Applications
, Taipei
, Taiwan
, pp. 1570
–1575
.18.
Kim
, D.
, and Singhose
, W.
, 2006, “Reduction of Double Pendulum Crane Oscillations
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, Daejeon, Korea
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, M. W.
, and Jansen
, J. F.
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, Hong
, K.-S.
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, C.
, 2000, “Time-Efficient Input Shaping Control of Container Cranes
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, Anchorage
, AK
, pp. 80
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, R. I.
, Feddema
, J. T.
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, G.
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, D.
, and Parker
, G.
, 1997, “Flexible Robotic Manipulator Research at Sandia National Laboratories
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, W.
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, W.
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, and Kenison
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, Singhose
, W.
, and Dickerson
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, 2007, “A Controller Enabling Precise Positioning and Sway Reduction in Bridge and Gantry Cranes
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, M.
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, G. G.
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, K.
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, R. D.
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, Anchorage, AK
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, D.
, Parker
, G. G.
, Driessen
, B.
, and Robinett
, R. D.
, 1999, “Comparison of Command Shaping Controllers for Supressing Payload Sway in a Rotary Boom Crane
,” IEEE International Conference on Control Applications
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, HI
, pp. 719
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Blackburn
, D. F.
, Singhose
, W.
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, J. P.
, Petrangenaru
, V. P.
, Lawrence
, J.
, Kamoi
, T.
, and Taura
, A.
, 2006, “Advanced Input Shaping Algorithm for Nonlinear Tower Crane Dynamics
,” Eighth International Conference on Motion and Vibration Control
, Daejeon
, Korea
.29.
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, K.
, Ebert-Uphoff
, I.
, and Singhose
, W.
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,” ASME J. Mech. Des.
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, pp. 156
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.30.
Rappole
, B. W. J.
, Singer
, N.
, and Seering
, W. P.
, 1994, “Multiple-Mode Impulse Shaping Sequences for Reducing Residual Vibrations
,” 23rd Biennial Mechanisms Conference
, Minneapolis
, MN
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.31.
Eloundou
, R.
, and Singhose
, W.
, 2002, “Interpretation of Smooth Reference Commands as Input Shaped Functions
,” American Control Conference
, Anchorage
, AK
, pp. 4948
–4953
.32.
Singhose
, W.
, Seering
, W. P.
, and Singer
, N.
, 1996, “Input Shaping for Vibration Reduction With Specified Insensitivity to Modeling Errors
,” Japan-USA Symposium on Flexible Automation
, Boston
, MA
, Vol. 1
, pp. 307
–313
.33.
Lawrence
, J.
, Fatkin
, B.
, Singhose
, W.
, Weiss
, R.
, Erb
, A.
, Glauser
, U.
, and Huey
, J.
, 2006, “An Internet-Driven Tower Crane for Dynamics and Controls Education
,” Seventh IFAC Symposium on Advances in Control Education
, Madrid
, Spain
.Copyright © 2010
by American Society of Mechanical Engineers
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