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Keywords: damping
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Journal Articles
Publisher: ASME
Article Type: Research-Article
J. Mech. Des. February 2014, 136(2): 021003.
Paper No: MD-12-1564
Published Online: November 26, 2013
...Esa Kostamo; Michele Focchi; Emanuele Guglielmino; Jari Kostamo; Claudio Semini; Jonas Buchli; Matti Pietola; Darwin Caldwell magnetorheological damping bouncing reduction energy dissipation semi-active robotic leg In industrial robotic applications, engineers have traditionally...
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Mech. Des. November 2011, 133(11): 111002.
Published Online: November 11, 2011
... the peaks, defining the operational frequency region. The sense-mode resonant frequency lies within this region at 1.868 kHz allowing the amplitude of the response to be insensitive to structural parameter and damping variations, with improved robustness against such variations. The passive mass achieved...
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Mech. Des. November 2010, 132(11): 111009.
Published Online: November 15, 2010
... uncertain damping coefficients. Based on the example, the concept of balancing expected performance and risk is explored in an engineering context. Risk is quantified using aleatory uncertainty for fixed values of epistemic uncertainty. The study shows the unique features of this approach in which risk...
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Mech. Des. September 2009, 131(9): 091002.
Published Online: August 17, 2009
... vibrations. Passive micromachined silicon low-pass filter structures (spring-mass-damper) have been demonstrated in recent years. However, the performance of these filter structures is typically limited by low damping. This is especially true if operated in low pressure environments, which is often...
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Mech. Des. April 2009, 131(4): 041003.
Published Online: March 20, 2009
... of curvature, and contact stress, and also reduces the residual vibrations caused by deviations in actual cam speed or system damping ratio from their design values. 15 02 2008 27 12 2008 20 03 2009 cams (mechanical) damping splines (mathematics) vibration control vibrations...
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Mech. Des. December 2008, 130(12): 122601.
Published Online: October 7, 2008
...Song He; Todd Rook; Rajendra Singh Gear dynamic models with time-varying mesh stiffness, viscous mesh damping, and sliding friction forces and moments lead to complex periodic differential equations. For example, the multiplicative effect generates higher mesh harmonics. In prior studies, time...
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Mech. Des. May 2008, 130(5): 052603.
Published Online: April 1, 2008
... transmission error, and responses are derived to both initial conditions and the forced periodic function under a nominal preload. Analytical models are validated by comparing predictions with numerical simulations, and the effect of viscous damping is examined. Stability analysis is also briefly conducted...
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Mech. Des. January 2007, 129(1): 23–30.
Published Online: March 1, 2006
.... The computation of the load sharing is described and uses the equation of displacement compatibility. The history of previous deformation and the effect of the nylon’s structural damping are taken into account. At a given constant temperature, the load sharing, meshing stiffness, and loaded transmission error...
Journal Articles
Publisher: ASME
Article Type: Article
J. Mech. Des. March 2005, 127(2): 295–301.
Published Online: March 25, 2005
... a superior torsional damping performance to the torsion damper, because an excessive centrifugal force of the torsion damper reduces its damping effect in high engine speed 11 12 13 14 15 16 17 . 5 Dual mass flywheel 6 Torsion damper Using the experimental result (see Fig...
Journal Articles
Publisher: ASME
Article Type: Technical Briefs
J. Mech. Des. January 2005, 127(1): 160–163.
Published Online: March 2, 2005
... for Linear Damped Systems ,” ASME J. Mech. Des. , 103 , pp. 908 – 913 . Snowdon, John C., 1968, Vibration and Shock in Damped Mechanical Systems , Wiley, New York. Fortgang, Joel, and Singhose, William, 2001, “The Combined use of Input Shaping and Nonlinear Vibration Absorbers,” 5th IFAC Symposium...
Journal Articles
Publisher: ASME
Article Type: Technical Briefs
J. Mech. Des. November 2004, 126(6): 1105–1108.
Published Online: February 14, 2005
... 14 02 2005 vibration control open loop systems transfer functions product design damping Machines that are driven by high-speed cams are widely used in the high-volume manufacturing of small metal parts. Cams are used to control the actions of the machines, such as stock...
Journal Articles
Publisher: ASME
Article Type: Technical Papers
J. Mech. Des. September 2004, 126(5): 909–915.
Published Online: October 28, 2004
... system were studied experimentally and numerically. Time varying roller mesh stiffness and damping coefficients were used to account for the periodic variation of the mesh stiffness in the dwell and the active periods respectively. Dynamic responses of a globoidal cam system in the active and the dwell...
Journal Articles
Publisher: ASME
Article Type: Article
J. Mech. Des. May 2005, 127(3): 493–498.
Published Online: June 17, 2004
.... It is shown that in a multibody mechanical system, the journal bearing lubricant introduces damping and stiffness to the system. The earlier studies predict that the order of magnitude of the reaction moment is twice that of a perfect revolute joint. The proposed model predicts that the reaction moment...
Journal Articles
Publisher: ASME
Article Type: Technical Papers
J. Mech. Des. March 2004, 126(2): 359–364.
Published Online: May 5, 2004
...E. H. K. Fung; J. Q. Zou; H. W. J. Lee In this paper, Lagrangian formulation of a horizontal rotating beam with active constrained layer damping (ACLD) treatment is presented. The problem is approached by the Rayleigh-Ritz method. By assuming modal functions as the displacement shape functions...
Journal Articles
Publisher: ASME
Article Type: Book Reviews
J. Mech. Des. March 2000, 122(1): 147.
Published Online: March 1, 2000
...Eugene I. Rivin,, Author; B. Balachandran,, Reviewer [S1050-0472(00)01501-4] publishing design engineering bending damping Stiffness and Damping in Mechanical Design , Authored by Eugene I. Rivin, Marcel Dekker, New York, 1999. REVIEWED BY B. BALACHANDRAN Stiffness, damping...
Journal Articles
Publisher: ASME
Article Type: Technical Papers
J. Mech. Des. December 2001, 123(4): 562–568.
Published Online: October 1, 1999
... shear deformation vibrational modes damping mechanical stability Rotating machinery is employed extensively throughout the industrialized world for power generation and transmission. Geared units are frequently used in branched rotor systems for speed variation and/or change of working direction...