Performance Test and Finite Element Analysis of Air Spring for Automobile

Huh, Shin; Woo, Chang-Soo; Han, Houkseop; Kim, Wan-Doo; Kim, Seong-Soo

doi:10.3795/ksme-a.2007.31.7.725

Cited by 2 publications

(1 citation statement)

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“…The stiffness unit of SMRAD adopts an air spring structure. The air spring has ideal nonlinear elastic characteristics, which can effectively limit the amplitude of vehicle vibration and reduce the impact of vehicle vibration on the driver [41][42][43].…”

Section: Structure Of the Smradmentioning

confidence: 99%

Self-sensing automotive magnetorheological dampers for low frequency vibration

Deng

Gao

et al. 2021

Smart Mater. Struct.

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This paper presents a magnetorheological (MR) automobile damper with a self-sensing function. The self-sensing structure is designed based on the principle of triboelectric nanogeneration. The self-sensing performance of the MR automobile damper is verified from the theoretical analysis and experimental results. A vehicle suspension vibration control system composed of 1/4 vehicle suspension, fuzzy control algorithm, and vibration excitation platform is established to test the vibration control performance of self-sensing MR automobile damper (SMRAD). The experimental results show that the fuzzy control system reduces the body acceleration of the vehicle suspension compared with the passive control. The root mean square value of vehicle suspension body acceleration is reduced by 28.8% compared with the vehicle body acceleration under passive control. This verifies the effectiveness of the self-sensing performance of the speed self-sensing structure of the MR automobile damper. The application of the SMRAD in the vehicle suspension improves the vibration reduction performance of the vehicle suspension.

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Section: Structure Of the Smradmentioning

confidence: 99%

Self-sensing automotive magnetorheological dampers for low frequency vibration

Deng

Gao

et al. 2021

Smart Mater. Struct.

View full text Add to dashboard Cite

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Static FE Analysis of Air Springs for Passenger Cars Considering the Mounting Steps

Lee

Hahn

Park³

2015

Transactions of Materials Processing

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Air springs are designed to support loads using the volume elasticity in a cylindrical shaped air bag made of a composite material with a rubber matrix and two plies of reinforced fibers. Recently, applications of these springs have been expanded from railway vehicles to passenger cars. The current study presents a finite element analysis of a manufactured air spring for a passenger car. The analysis was conducted including the mounting steps of the air bag using a static loading condition. A method for controlling the internal pressure and displacements during the mounting step was developed. The characteristic load curve and the shape of the air bag were in good agreement with the experimental data with respect to the design height, the bump height and the rebound height. Results indicate that ply angles of fibers vary from 38 degrees to 56 degrees during static loading.

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Performance Test and Finite Element Analysis of Air Spring for Automobile

Cited by 2 publications

References 0 publications

Self-sensing automotive magnetorheological dampers for low frequency vibration

Self-sensing automotive magnetorheological dampers for low frequency vibration

Static FE Analysis of Air Springs for Passenger Cars Considering the Mounting Steps

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