Principal Parametric Resonance Zones of a Rotating Rigid Shaft Driven Through a Universal Joint

Mazzei, Arnaldo J.; Scott, Richard A.

doi:10.1006/jsvi.2000.3503

Cited by 12 publications

(10 citation statements)

References 2 publications

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“…Mazzei introduced soft support boundary conditions on the output shaft with torsional inertia [13,14]. This model included flexible shafts but without significant inertia.…”

Section: Single Joint Systemsmentioning

confidence: 99%

“…Fixed supports constrain the input, the output, or both shafts of most of the presented studies, and therefore the NCV joint has no translational vibration components. This includes the studies that softly supported the output shafts by Mazzei and Desmidt [6,13,14]. Sheu's applied soft supports of the input and output motor assembly, thus similar to a once piece automotive application allowing for small lateral vibrations at the u-joint [27].…”

Section: Analytical Model Definitionmentioning

confidence: 99%

See 1 more Smart Citation

Super harmonic nonlinear lateral vibrations of a segmented driveline incorporating a tuned damper excited by non-constant velocity joints

Browne¹,

Palazzolo²

2009

Journal of Sound and Vibration

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Chair of Advisory Committee: Dr. Alan Palazzolo Linear vibration measurement and analysis techniques have appeared to be sufficient with most vibration problems. This is partially due to the lack of proper identification of physical nonlinear dynamic responses. Therefore, as an example, a vehicle driveshaft exhibits a nonlinear super harmonic jump due to nonconstant velocity, NCV, joint excitation. Previously documented measurements or analytical predictions of vehicle driveshaft systems do not indicate nonlinear jump as a typical vibration mode.The nonlinear jump was both measured on a driveshaft test rig and simulated with a correlated model reproduced the jump. Subsequent development of the applied moments and simplified equations of motion provided the basis for nonlinear analysis.The nonlinear analyses included bifurcation, Poincare, Lyapunov Exponent, and identification of multiple solutions.Previous analytical models of driveshafts incorporating NCV joints are typically simple lumped parameter models. Complexity of models produce significant processing costs to completing significant analysis, and therefore large DOF systems iv incorporating significant flexibility are not analyzed. Therefore, a generalized method for creating simplified equations of motion while retaining integrity of the base system was developed. This method includes modal coupling, modal modification, and modal truncation techniques applied with nonlinear constraint conditions. Correlation of resonances and simulation results to operating results were accomplished.Previous NCV joint analyses address only the torsional degree of freedom.Limited background on lateral excitations and vibrations exist, and primarily focus on friction in the NCV joint or significant applied load. Therefore, the secondary moment was developed from the NCV joint excitation for application to the driveshaft system.This derivation provides detailed understanding of the vibration harmonic excitations due to NCV joints operating at misalignment angles.The model provides a basis for completing nonlinear analysis studying the system in more detail. Bifurcation analysis identified ranges of misalignment angles and speeds that produced nonlinear responses. Lyapunov Exponent analysis identified that these ranges were chaotic in nature. In addition, these analyses isolated the nonlinear response to the addition of the ITD nonlinear stiffness.In summary, the system and analysis show how an ITD installed to attenuate unwanted vibrations can cause other objectionable nonlinear response characteristics. v DEDICATION For my Family vi ACKNOWLEDGEMENTS

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“…Mazzei introduced soft support boundary conditions on the output shaft with torsional inertia [13,14]. This model included flexible shafts but without significant inertia.…”

Section: Single Joint Systemsmentioning

confidence: 99%

Section: Analytical Model Definitionmentioning

confidence: 99%

Super harmonic nonlinear lateral vibrations of a segmented driveline incorporating a tuned damper excited by non-constant velocity joints

Browne¹,

Palazzolo²

2009

Journal of Sound and Vibration

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“…The paper [11] present a design and a stress analysis for an automobile driveshafts made of composites material for scientists trying to avoid special phenomena that is not well explained by the transmission's designers. The first researchers who considered special phenomena for driveshafts were Mazzei and Scott, who enhanced the nonlinear parametric dynamic behavior of a universal joints in [12]. What is very strange for this research Over the last four decades, the kinematics and the torque loads of this transmission system was considered isometric due to the introduction of the Rzeppa joint, in the 1970 by Glenzer, and by using tripod plunging joints in the tulip and fixed ball joints in the bowl in the 19890s [2][3][4].…”

Section: Introductionmentioning

confidence: 99%

“…The paper [11] present a design and a stress analysis for an automobile driveshafts made of composites material for scientists trying to avoid special phenomena that is not well explained by the transmission's designers. The first researchers who considered special phenomena for driveshafts were Mazzei and Scott, who enhanced the nonlinear parametric dynamic behavior of a universal joints in [12]. What is very strange for this research paper is that it contains only two references: of which one is a self-citation in the same field of dynamic stability of shafts driven through a universal cardan joint.…”

Section: Introductionmentioning

confidence: 99%

Nonuniformity of Isometric Properties of Automotive Driveshafts

Bugaru

Vasile²

2021

Computation

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This paper presents an analysis of the CVJ (constant velocity joint) of automotive driveshafts from a point of view concerning the nonuniformity of isometric properties. In the automotive industry, driveshafts are considered to have constant velocity through its joints: free tripode joints and fixed ball joints, which has been proved by Mtzner’s indirect method and Orain’s direct method for tripod joint. Based on vectorial mechanics, the paper proved the quasi-isometry of velocity for polypod joints such as fixed ball joints. In the meantime, it was computed that the global nonuniformity of constant velocity joints for modern driveshafts based on the Dudita-Diaconescu homokinetic approach for the driveshafts. The nonuniformity of the velocity isometry of driveshafts was computed as a function of the input angular velocity of the driveshaft, angular inclination between the tripod–tulip axis and the midshaft axis and the angular inclination between the bowl axis and midshaft axis. The main aim of this article is how to improve the geometric and kinematic approach to add an important correction when designing the driveshaft dynamics prediction such as: forced torsional vibrations, forced bending–shearing vibrations, and coupled torsional–bending vibrations for the automotive driveshaft in the regions of specific resonances such as principal parametric resonance, internal resonance, combined resonance, and simultaneous resonances. By the way it is added, there are important corrections for the design of driveshafts, for the torsional dynamic behavior prediction, and for bending–shearing dynamic behavior of the driveshafts in the early stages of design. The results presented in the article represent a starting point for future research on dynamic phenomena in the area mentioned previously.

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“…These studies have addressed the torsional response of the same model, incorporating a single non-constant velocity joint system with fixed bearings. Mazzei et al [13,14] have identified parametric instabilities, including flutter due to the torsional and lateral response, produced by excitation of the non-constant velocity with applied driveshaft loading. Dimentberg [15,16] has progressed the research into the soft support boundary conditions on the output shaft, including lateral, torsional and coupled response of the output shaft with support base excitation.…”

Section: Introductionmentioning

confidence: 99%

Vibration Noise Harshness of a Light Truck Driveshaft, Analysis and Improvement with Six Sigma Approach

et al. 2017

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This paper deals with the application of six sigma methodology for optimization of a cardan shaft. The aim of this optimization is to reduce vibration of the drive shaft and consequently improve vibration noise harshness of the vehicle. The six sigma methodology has been applied to a light truck, which has received excessive vibration and noise complaints. The define-measure-analyze-improve-control approach has been followed to enhance the vibration noise harshness statistics. The result shows that all expected vibration noise harshness performance targets have been dramatically improved when compared to the initial values. As a conclusion, the case study on a light truck is a useful reference to improve vehicle performance for vibration noise harshness.

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Principal Parametric Resonance Zones of a Rotating Rigid Shaft Driven Through a Universal Joint

Cited by 12 publications

References 2 publications

Super harmonic nonlinear lateral vibrations of a segmented driveline incorporating a tuned damper excited by non-constant velocity joints

Super harmonic nonlinear lateral vibrations of a segmented driveline incorporating a tuned damper excited by non-constant velocity joints

Nonuniformity of Isometric Properties of Automotive Driveshafts

Vibration Noise Harshness of a Light Truck Driveshaft, Analysis and Improvement with Six Sigma Approach

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