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Keywords: gears
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Journal Articles
Article Type: Research-Article
J. Vib. Acoust. December 2013, 135(6): 061014.
Paper No: VIB-12-1083
Published Online: August 9, 2013
...R. Fargère; P. Velex A global model of mechanical transmissions is introduced which deals with most of the possible interactions between gears, shafts, and hydrodynamic journal bearings. A specific element for wide-faced gears with nonlinear time-varying mesh stiffness and tooth shape...
Journal Articles
Article Type: Research Papers
J. Vib. Acoust. April 2012, 134(2): 021014.
Published Online: January 19, 2012
... and Diagnosis Using Sensor Fusion ,” J. Sound Vib. , 188 ( 2 ), pp. 227 – 242 . 10.1006/jsvi.1995.0588 3 Wang , W. , and Wong , A. K. , 2002 , “ Autoregressive Model-Based Gear Fault Diagnosis ,” ASME J. Vib. Acoust. , 124 , pp. 172 – 179 . 10.1115/1.1456905 4 Bornn , L...
Journal Articles
Article Type: Research Papers
J. Vib. Acoust. February 2012, 134(1): 011011.
Published Online: December 28, 2011
...Xiaojun Zhou; Yimin Shao; Yaguo Lei; Mingjian Zuo A modified mathematical model for simulating gear crack from root with linear growth path in a pinion is developed, in which an improved potential energy method is used to calculate the time-varying meshing stiffnesses of the meshing gear pair while...
Journal Articles
Article Type: Research Papers
J. Vib. Acoust. August 2011, 133(4): 041004.
Published Online: April 6, 2011
...Christopher G. Cooley; Robert G. Parker; Sandeep M. Vijayakar A finite element formulation for the dynamic response of gear pairs is proposed. Following an established approach in lumped parameter gear dynamic models, the static solution is used as the excitation in a frequency domain solution...
Journal Articles
Article Type: Research Papers
J. Vib. Acoust. February 2010, 132(1): 011006.
Published Online: January 11, 2010
...Yichao Guo; Robert G. Parker This paper studies the sensitivity of general compound planetary gear natural frequencies and vibration modes to inertia and stiffness parameters. The model admits planetary gears having any combination of stepped-planet, meshed-planet, and multiple stage arrangements...
Journal Articles
Article Type: Research Papers
J. Vib. Acoust. August 2009, 131(4): 041013.
Published Online: July 14, 2009
...Albert C. J. Luo; Dennis O’Connor In this paper, an impact model with possible stick between the two gears is proposed for gear transmission systems, which includes the piecewise backlash model and the traditional impact model for the first time. The new model presented in this paper possesses...
Topics: Chatter, Gears
Journal Articles
Article Type: Technical Briefs
J. Vib. Acoust. December 2008, 130(6): 064502.
Published Online: October 15, 2008
... setup. The second is the evaluation of the potential of the acquired with the new concept AE signals in distinguishing between different types of artificially induced damage on the gears. Run-in tests were carried out to study the effect of gear damage on the AE recordings. The acoustic emission...
Journal Articles
Article Type: Research Papers
J. Vib. Acoust. June 2008, 130(3): 031004.
Published Online: April 3, 2008
...S. J. Loutridis The vibration time series of gear systems exhibit self-similarity. The time-series behavior is characterized by an exponent, known as the scaling exponent. An algorithm is proposed for the estimation of both global and local exponents, thus providing a means of examining the time...
Journal Articles
Article Type: Technical Papers
J. Vib. Acoust. June 2007, 129(3): 276–284.
Published Online: November 1, 2006
.... The grazing is the origin of the periodic motion switching for this system. Such a grazing bifurcation cannot be estimated through the local stability analysis. This model is applicable to prediction of periodic motions in nonlinear dynamics of gear transmission systems. The periodic motion can...
Journal Articles
Article Type: Technical Briefs
J. Vib. Acoust. October 2006, 128(5): 666–671.
Published Online: June 3, 2006
... for cyclostationary signals than the classical AR model. In the end the proposed method is used for detecting incipient gear crack fault in a helicopter gearbox. The results demonstrate that the approach can be used to detect and predict early faults of complex rotating machinery by the kurtosis of the residual...
Journal Articles
Article Type: Technical Papers
J. Vib. Acoust. April 2006, 128(2): 231–243.
Published Online: August 30, 2005
... governing the occurrence and suppression of instabilities are discussed for special cases with symmetric circumferential spacing of spring-sets. These results are applied to identify possible conditions of ring gear instability in example planetary gears. 17 03 2005 30 08 2005 gears...
Journal Articles
Article Type: Technical Papers
J. Vib. Acoust. April 2006, 128(2): 133–142.
Published Online: February 10, 2005
...Vijaya Kumar Ambarisha; Robert G. Parker This work analytically derives design rules to suppress certain harmonics of planet mode response in planetary gear dynamics through mesh phasing. Planet modes are one of three categories of planetary gear vibration modes. In these modes, only the plantes...
Journal Articles
Article Type: Technical Briefs
J. Vib. Acoust. July 2004, 126(3): 449–451.
Published Online: July 30, 2004
...Jing Lin, Post Doctoral Fellow; Ming J. Zuo, Professor, Wavelet filtering is combined with cyclostationary analysis for detection of gear tooth faults in a gearbox. The parameters of the wavelet filter are optimized by using the proposed entropy minimization rule. This method is shown...
Journal Articles
Article Type: Technical Papers
J. Vib. Acoust. July 2004, 126(3): 398–406.
Published Online: July 30, 2004
...M. Kubur; A. Kahraman; D. M. Zini; K. Kienzle A dynamic model of a multi-shaft helical gear reduction unit formed by N flexible shafts is proposed in this study. The model consists of a finite element model of shaft structures combined with a three-dimensional discrete model of helical gear pairs...
Journal Articles
Article Type: Technical Briefs
J. Vib. Acoust. April 2005, 127(2): 204–207.
Published Online: May 25, 2004
...L. Gelman; V. Giurgiutiu; A. Bayoumi An innovative statistical methodology and generic expressions have been developed for the ratio of the dynamic mean excitation to the transmitted mean load under the influence of the important gear characteristics. Simple expressions have been established...
Journal Articles
Article Type: Technical Briefs
J. Vib. Acoust. April 2005, 127(2): 208–212.
Published Online: April 21, 2004
...Sejoong Oh; Karl Grosh; James R. Barber A system of two meshing gears exhibits a stiffness that varies with the number of teeth in instantaneous contact and the location of the corresponding contact points. A classical Newtonian statement of the equations of motion leads to a solution...