Bifurcation phenomena of the reversal behavior of an automobile wiper blade

Sugita, Masamichi; Yabuno, Hiroshi; Yanagisawa, Dai

doi:10.1007/s11071-012-0332-3

Cited by 18 publications

(9 citation statements)

References 14 publications

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“…Goto et al 5,6 constructed an equation of motion for the vibration of a wiper blade using the cross-section of the blade and analysed the vibration generation mechanism to reduce the squeal noise. Sugita and Yabuno 7 attempted to clarify the dynamic behaviour of the wiper blade during reversal motion using both a theoretical approach and an experimental approach. Awang et al 8 performed a complex eigenvalue analysis of wiper blade to examine the wiper chattering noise phenomenon.…”

Section: Introductionmentioning

confidence: 99%

Investigation of the contact force distribution and dynamic behaviour of an automobile windshield wiper blade system

Lee

Kim

Sung

et al. 2013

Proceedings of the Institution of Mechanical Engineers, Part D:

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The structural behaviour of a windshield wiper system and the dynamic behaviour of the wiper rubber blade are investigated using finite element analysis. Non-linear contact analysis was performed to examine the influences of the structural design variables such as the curvature of the primary beam, the thickness of the yoke, the rotational angle of the yoke and the thickness of the steel beam on the distribution of the contact force along the blade length, and the effects of the vertical load and the coefficient of friction on the vibrational behaviour of the blade were investigated using transient dynamic analysis. Experimental validation was conducted by measuring the contact force distribution and the vibrational behaviour of the rubber blade. The experimental data and the simulated results show good agreement. The contact force distribution is sensitive to changes in the primary beam’s curvature, the yoke’s rotational angle and the steel beam’s thickness. The vertical load and the coefficient of friction both have significant influences on the vibrational behaviour of the rubber blade. It is found that the proper combination of the variables investigated allows a more uniform contact force distribution and less vibration and thereby improves the performance of the wiper blade. These analyses demonstrate the variables that influence the wiper blade behaviour and should provide key insight into means for improving the wiper performance.

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Section: Introductionmentioning

confidence: 99%

Investigation of the contact force distribution and dynamic behaviour of an automobile windshield wiper blade system

Lee

Kim

Sung

et al. 2013

Proceedings of the Institution of Mechanical Engineers, Part D:

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show abstract

“…The 3D analysis simulate reversal noise behaviour more accurate compared to 2D analysis done previously [11]. Based on experiment to clarify the dynamic behaviour of the wiper blade during reversal motion, the cross sectional model of the blade rubber shows that during reversal, the tip of the blade is in the rest state on the swept surface for a finite time and the angle of the blade changes continuously from negative to positive during the rest state of the tip [12]. This paper presents an experimental investigation of the contact force and vibration on front windscreen wiper system.…”

Section: Introductionmentioning

confidence: 92%

Contact Force and Dynamic Behavior of Automobile Wiper Blade System

Salleh¹,

Zain²,

Bakar³

2018

IJET

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Windscreen wiper vibration problem is now becoming one of the comforts and safety concerns because it can be annoying to the driver and passengers and also affect concentration of the driver while driving. This paper investigate the problems by measuring the wiper blade contact force and vibration level on laboratory wiper experimental rig and wiper system on two different sedan passenger cars operated similarly. In order to measure the vibration and contact force along the wiper blade, MMA7660 accelerometer and a thin film force sensor FSR was used. The contact force is measured at four points; Points 1 (inner tip), 2 (middle blade) and 3 (middle blade) and Point 4 (outer tip), along the wiper blade. Based on the measurement, it was found that the contact force is much higher at Points 1, Point 2 and Point 3 compared to Point 4. For vibration level, higher vibration is occurred at Points 2 and Point 3. It can be conclude that the bigger the contact force value act on windscreen the bigger for the vibration level to be produce. From this founding, further research can be conducted and tackle the problem at certain point along the wiper blade.

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“…Shinya et al 16 proved through experiments that the scream noise is generated before and after the inversion, and also simulated the wiper blade vibration by using the finite element method (FEM). Based on the Coulomb friction hypothesis, Sugita et al 17 presented a single DOF dynamic equation to analyze the positive pressure change rule in reversal process of the wiper blade. The bifurcations and chaos generated by the rotation angle change were partly revealed.…”

Section: Introductionmentioning

confidence: 99%

“…Some measures for improving the wiperwindscreen system were proposed according to the vibration and noise results predicted under different rotational speeds and friction conditions. However, the literatures [16][17][18][19] did not consider that the dry and wet conditions in the actual operating situations of the wiper blade need to be analyzed by different friction theoretical models. The 2DOFs model built by Unno et al 20 considered the influence of static and static friction, and calculated the transition time based on relaxation variable method.…”

Section: Introductionmentioning

confidence: 99%

A theoretical analysis of friction and vibration characteristics of wiper reversal process

Yang

Wang

Guo

et al. 2022

Proceedings of the Institution of Mechanical Engineers, Part D:

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This paper is concerned with the friction and vibration characteristics of a vehicle wiper-windscreen contact. The dynamics and friction models of the wiper-windscreen system are established to study the frictional vibration and noise of the wiper-windscreen system. The dynamic model of the wiper-windscreen system is established and the analytical formulas are derived. Based on the negative slope formula of friction coefficient with respect to relative velocity, the Coulomb’s friction law, and the fluid lubrication characteristics, the friction models of the system are built in dry and wet operating conditions, respectively. Meanwhile, the formulas of friction coefficient and relative velocity in time domain are presented. The changes of blade angle and friction with time in different working conditions are investigated. The Runge-Kutta method is used to analyze the nonlinear dynamic response and friction characteristics of the friction models. The simulations successfully reproduce the vibrations of the wiper blade in actual motion. The effectiveness of the dynamic model and the friction models is verified by comparing the simulation results under different working conditions. The dynamics and friction models presented in this paper can provide theoretical references for structural optimization of the wiper blade, and thereby the vibration and noise control of the wiper-windscreen system.

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Bifurcation phenomena of the reversal behavior of an automobile wiper blade

Cited by 18 publications

References 14 publications

Investigation of the contact force distribution and dynamic behaviour of an automobile windshield wiper blade system

Investigation of the contact force distribution and dynamic behaviour of an automobile windshield wiper blade system

Contact Force and Dynamic Behavior of Automobile Wiper Blade System

A theoretical analysis of friction and vibration characteristics of wiper reversal process

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