Local meshing plane analysis as a source of information about the gear quality

Mączak, Jędrzej

doi:10.1016/j.ymssp.2012.09.012

Cited by 15 publications

(9 citation statements)

References 12 publications

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“…The experiment was conducted at the FZG back to back test-bed [6,7]. The test-bed consists of two toothed gears operating in a revolving power setup and it enables examination of both toothed wheels as well as gear lubricants.…”

Section: Results Of Laboratory Experimentsmentioning

confidence: 99%

Use of Condition Monitoring in the Proactive Maintenance Strategy

Radkowski

Jasiński

2014

Lecture Notes in Mechanical Engineering

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The objectives of the presented paper are to better understand the mechanism of failure development in the dynamic mechanical systems. It is important to consider carefully the present changes in technical conditions of elements of the system when planning the requirements to a proactive risk management's strategy. While a dynamical system traditionally is modeled by structural decomposition, in the paper the dynamic behavior of system is modeled by decomposition of the behavior flow into events and errors accompanying occurrence of failure. From this point of view the nonlinear model of failure occurrence is analyzed to realizing long term benefits of a proactive maintenance strategy. The models describe the effect on the evolution at the process variables for each hypothesized fault failure. In the paper it is also analyzed the impact of nonlinearity of the sub-section on the behavior of the whole system.

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Section: Results Of Laboratory Experimentsmentioning

confidence: 99%

Use of Condition Monitoring in the Proactive Maintenance Strategy

Radkowski

Jasiński

2014

Lecture Notes in Mechanical Engineering

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“…As a result, there is a constant pressure on research and development of reliable techniques for detection of technical condition of systems. Among various research activities one can recall: the use of new techniques of signal processing [1][2][3], the application of new measurement strategies [4,5] such as sensors embedded in structure [6] or the use of different physical phenomena for the detection of early stages of failures [7][8][9][10].…”

Section: Introductionmentioning

confidence: 99%

“…The emergence and development of a failure in a component of a machine result in the change of energetic structure of a vibro-acoustic signal generated during operation [3,7,9]. In particular, this change is related to the disturbance of amplitude and frequency structure of the signal [9,11] which can be considered as diagnostic symptoms.…”

Section: Introductionmentioning

confidence: 99%

“…: RMS, kurtosis [14]; -methods based on analysis of modulation phenomena [15][16][17]; -methods based on spectrum analysis [18], time-frequency and wavelets [19][20][21][22][23]. In the literature [3] it is pointed out that the main disadvantage of methods mentioned above is the use of integration operators in the process of searching of diagnostic information. The integration operators cause averaging of signals which can lead to the loss of diagnostic information about the early symptoms of failures.…”

Section: Introductionmentioning

confidence: 99%

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Teager-Kaiser energetic trajectory for machine diagnosis purposes

Gałęzia¹

2017

J. vibroeng.

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Increased requirements regarding safety, reliability and early detection of failures of industrial machines stimulate the development of new methods and tools for purposes of condition monitoring. The paper presents original concept of the Teager-Kaiser energetic trajectory representing an examined signal on the Teager-Kaiser energy plane. The Teager-Kaiser energetic trajectory illustrates simultaneously changes of instantaneous values of the Teager-Kaiser energy indicator and the velocity of change of the energy indicator.At the beginning of the paper, the Teager-Kaiser energetic trajectory is presented and described followed by examples of trajectories of simulated signals. In the next section, the author presents and discusses the model of signal simulating occurrence of a failure in a gearbox. Finally, the paper presents representations of signals recorded form gearbox during fatigue tests. The paper concludes with the discussion on application options of the Teager-Kaiser energetic plane in condition monitoring of rotation machinery.

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“…Measuring and processing the vibration signal make it possible to evaluate the change in the technical state of the machines and devices without the necessity of disassembly, even in the early stages of failure development [29][30][31][32]. Such tests, performed as a temporary measure during the standard operation, after a failure has been detected, allow for the scheduling of standstills and reparations [33][34][35][36]. Examinations of the materials and mechanical constructions aiming at the evaluation of their vibroacoustic compliance as well as the possibility to lower the vibroactivity are also performed [37][38][39][40].…”

Section: Introductionmentioning

confidence: 99%

Evaluation of the failure progress in the static bending of GFRP laminates reinforced with a classic plain‐woven fabric and a 3D fabric, by means of the vibrations analysis

Kozioł

Figlus

2015

Polymer Composites

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The aim of the work is to evaluate the effectiveness of analysis of a failure progress of the glass fiber reinforced polymer laminate (classic and 3D), during static bending, with the use of high frequency vibration analysis (the order of kHz). During the tests, the instantaneous velocity of the samples' vibrations was recorded. The 3D laminate showed a more favorable course of failure (mostly fiber fracture) than the classic laminate (mostly delamination), but only in the direction transverse to the translaminar interweave strands. In the direction parallel to the interweave, it was also characterized mainly by delamination. It was stated that the vibration measurements significantly broaden and supplement the characteristics of bending, by way of revealing the local degradation changes in the examined material, especially before the initiation of the main stage of failure. The work also describes the frequency bands in which the symptoms of the occurring failures of particular laminate components were observed and where the values of the basic point parameters were estimated, which points to the occurrence of structure failure. The obtained results confirm the effectiveness of the vibration analysis as a tool for the evaluation of the course of composite material failure under static loads. POLYM. COMPOS., 38:1070–1085, 2017. © 2015 Society of Plastics Engineers

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Local meshing plane analysis as a source of information about the gear quality

Cited by 15 publications

References 12 publications

Use of Condition Monitoring in the Proactive Maintenance Strategy

Use of Condition Monitoring in the Proactive Maintenance Strategy

Teager-Kaiser energetic trajectory for machine diagnosis purposes

Evaluation of the failure progress in the static bending of GFRP laminates reinforced with a classic plain‐woven fabric and a 3D fabric, by means of the vibrations analysis

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