Performance investigation of vehicle suspension system with nonlinear ball-screw inerter

Sun, Xiaoyun; Chen, L.; Wang, S. H.; Zhang, X. L.; Yang, Xiaofeng

doi:10.1007/s12239-016-0041-x

Cited by 52 publications

(25 citation statements)

References 13 publications

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“…Pires et al connected a motor to the end of the screw in an inerter and set up the electrical elements at the motor terminals, forming a flexible configuration of electromechanical network [20]. Sun et al studied the suspension characteristics based on a nonlinear ball screw inerter model, and the parameters of the model were obtained by step-by-step identification of friction parameters and linear parameters [21]. GonzalezBuelga et al researched the influence of nonlinear factors on the characteristics of tuned inerter damper (TID) and verified the theory by experiments.…”

Section: Introductionmentioning

confidence: 99%

Modeling, Testing, and Characteristic Analysis of a Planetary Flywheel Inerter

Wei-rui

2018

Shock and Vibration

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We propose the planetary flywheel inerter, which is a new type of ball screw inerter. A planetary flywheel consists of several planetary gears mounted on a flywheel bracket. When the flywheel bracket is driven by a screw and rotating, each planetary gear meshing with an outer ring gear generates a compound motion composed of revolution and rotation. Theoretical analysis shows that the output force of the planetary flywheel inerter is proportional to the relative acceleration of one terminal of the inerter to the other. Optimizing the gear ratio of the planetary gears to the ring gear allows the planetary flywheel to be lighter than its traditional counterpart, without any loss on the inertance. According to the structure of the planetary flywheel inerter, nonlinear factors of the inerter are analyzed, and a nonlinear dynamical model of the inerter is established. Then the parameters in the model are identified and the accuracy of the model is validated by experiment. Theoretical analysis and experimental data show that the dynamical characteristics of a planetary flywheel inerter and those of a traditional flywheel inerter are basically the same. It is concluded that a planetary flywheel can completely replace a traditional flywheel, making the inerter lighter.

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Section: Introductionmentioning

confidence: 99%

Modeling, Testing, and Characteristic Analysis of a Planetary Flywheel Inerter

Wei-rui

2018

Shock and Vibration

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“…The influence of different nonlinearities such as dry friction and backlash in the inerter gears on the behavior of TMD has been evaluated in this study. Sun et al [16] have considered the effect of friction and elastic deformation of the screw of a ball-screw type inerter. The parameters of the passive device have been determined using experimental data.…”

Section: Introductionmentioning

confidence: 99%

Experimental Analysis of Inerter-Based Suspension Systems for Slender Structures

Siami

Karimi

Cigada

et al. 2018

Designs

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Earthquakes and ambient vibrations can cause serious problems for cultural heritage objects; consequently, preserving these objects against mentioned sources of vibration has received more attention in recent years. To address this problem, in this paper, inerter is used to overcome the deficiency of a vibration isolator in the lower frequency range and performance of this passive device is evaluated experimentally. Specifically, first, the scaled model of an actual isolator and statue is presented. This structure has been designed and manufactured based on the results of a performance test, which has been performed on a famous statue of Michelangelo Buonarroti: Pieta Rondanini. In order to improve the performance of the isolator, a ball-screw type inerter has been designed and manufactured in this research. This device is introduced to the scaled structure and its effect on the dynamic behavior of the isolator is checked using a sine sweep vibration test. The experimental tests were performed on a shaking table in the horizontal direction. Then, the effectiveness of inerters on the dynamic behavior of the isolation system is demonstrated. It is shown that the isolator equipped with the manufactured inerters has better performance in the lower frequency range.

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“…In 2016, a Jiangsu University team established a nonlinear inerter model and carried out mechanical properties tests based on the consideration of the friction, gap and screw elastic force. And finally, they had obtained the mechanical model structure of the inerter which was able to identify parameters [19]. In the same year, they proposed a new type of fluid inerter and analyzed the nonlinearities including friction and nonlinear damping force caused by the viscosity of fluid [20].…”

Section: Introductionmentioning

confidence: 99%

“…Obviously, it didn't take nonlinear factors into account. [17][18][19][20] show that nonlinear factors have a great influence on the kinetic properties of inerter and damping performance of ISD suspension. With the increasingly use of inerter, inertance, inherent inerter property, its calculating accuracy gets particularly important, especially in low-frequency and precise damping systems.…”

Section: Introductionmentioning

confidence: 99%

Research on nonlinear inertance calculation method of ball-screw inerter

Wen¹,

Guo²,

Li³

et al. 2017

J. vibroeng.

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This paper proposes an inertance calculation method of the ball-screw inerter when considering the nonlinear factors, which will be called as the nonlinear inertance. With the inerter increasingly used in vibration damping systems, the effects that caused by the nonlinear factors, especially by friction, have attracted a lot of attention. The inertance is deemed as the inherent property of the inerter. In most systems, an analysis with the application of the inertance of the ideal linear inerter (which will be called as the ideal linear inertance) may produce a considerable error, thus the consideration of nonlinear factors becomes increasingly significant when calculating the inertance. Based on the Frenet frame theory and Hertz contact theory, the relative sliding speed and sliding friction torque between balls and raceways of the ball-screw inerter have been deduced, thus obtaining the sliding friction efficiency of the balls, and then introducing the rolling friction efficiency of the balls, and finally obtaining the method of the nonlinear inertance calculation after friction consideration. Based on the jobs above, an experimental study on the inertance of ball-screw inerter was carried out. In addition, the ideal linear inertance, nonlinear inertance and experimental value were compared with each other. The results show that the nonlinear inertance is closer to the experimental value; it demonstrates the accuracy of the calculation method proposed in this paper. Besides, the influences of other parameters of the ball-screw mechanism on the inertance are also analyzed, including the nominal radius, lead, contact angle, ball radius and number of balls, the comparative results show that the lead and ball radius have a great influence on the inertance. These results provide a more accurate inertance calculation method for designing a ball-screw inerter and its application in engineering vibration damping systems, meanwhile the theory and approach about inerter will also be developed.

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Performance investigation of vehicle suspension system with nonlinear ball-screw inerter

Cited by 52 publications

References 13 publications

Modeling, Testing, and Characteristic Analysis of a Planetary Flywheel Inerter

Modeling, Testing, and Characteristic Analysis of a Planetary Flywheel Inerter

Experimental Analysis of Inerter-Based Suspension Systems for Slender Structures

Research on nonlinear inertance calculation method of ball-screw inerter

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