Optimization for a Semi-Active Shock Absorber Using Magnetorheological Fluid

Shi, Fengyan; Tomomori, Yoshiharu; Tanigawa, Naoki; Koganei, Reiko; Maemori, Ken’ichi

doi:10.1299/kikaic.71.2492

Cited by 3 publications

(4 citation statements)

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“…to perform an experiment with the maximum collision mass. If one attempts to minimize the maximum resistance force by selecting a mass other than the maximum mass, minimizing the maximum resistance force when the collision mass is maximum is not guaranteed (13) . For a semi-active shock absorber, design variables can be optimized for an arbitrary collision mass.…”

Section: Journal Of System Design and Dynamicsmentioning

confidence: 99%

“…For a semi-active shock absorber, design variables can be optimized for an arbitrary collision mass. The ability to minimize the maximum resistance force for each collision mass has been demonstrated in several studies of optimal design (12) (13) , In these studies, however, the resistance characteristics of shock absorbers fabricated based on optimized design results have not been well studied.…”

Section: Journal Of System Design and Dynamicsmentioning

confidence: 99%

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Parameter Identification and Optimization of Shock Absorber Using Magnetorheological Fluid

Kobayashi

Shi²,

Maemori

2013

JSDD

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We propose a method for the optimal design of shock absorbers having magnetorheological fluid (MR). This method combines both parameter identification and optimization procedures. In the first step, the optimum orifice areas of a shock absorber are obtained by considering the minimum falling body mass. In the second step, the optimum electric current applied to the magnetorheological fluid in the shock absorber is obtained for a maximum falling body mass. Validation of this method is carried out by a comparison of the experimental results with simulation predictions. It is clarified that the optimum resisting forces obtained by the experiment are consistent with those of the simulation results, and the present method is effective for the optimal design of MR shock absorbers.

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Section: Journal Of System Design and Dynamicsmentioning

confidence: 99%

Section: Journal Of System Design and Dynamicsmentioning

confidence: 99%

Parameter Identification and Optimization of Shock Absorber Using Magnetorheological Fluid

Kobayashi

Shi²,

Maemori

2013

JSDD

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“…Previous research (5) using the Bingham model has approximated f B , the resistance force in the MR shock absorber under a magnetic field, as a linearly increasing force (see Fig. 4):…”

Section: Resistance Force In Mr Shock Absorbermentioning

confidence: 99%

“…This is employed to find the resisting force due to the active magnetic field, and the model is validated. This approach is also compared with a conventional Bingham model (5) , which assumes that the resisting force is constant with respect to speed, only increasing due to the magnetic force, and also is validated in this respect. Figure 1 shows the construction of the MR shock absorber employed in this study.…”

Section: Introductionmentioning

confidence: 99%

Modeling and Parameter Identification of a Shock Absorber Using Magnetorheological Fluid

Kobayashi

Shi²,

Maemori

2009

JSDD

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This paper describes the modeling of a semi-active shock absorber that uses magnetorheological (MR) fluid, which is a material that responds to an applied magnetic field and changes its apparent viscosity. We propose a dynamic system in which the friction of a falling body is taken into consideration, and a model in which the shearing resisting force depends on the velocity of flow. The validity of this model and a Bingham model is verified by comparison of the experiment with a simulation. This study clarifies that resisting forces obtained by the simulation corresponded to those obtained by the experiment, and that the current model is effective in predicting the behavior of a MR shock absorber.

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Research of the Key Technologies for Undercarriage Landing Buffer System

Li-ping

Zhou

2011

Procedia Environmental Sciences

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Optimization for a Semi-Active Shock Absorber Using Magnetorheological Fluid

Cited by 3 publications

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Parameter Identification and Optimization of Shock Absorber Using Magnetorheological Fluid

Parameter Identification and Optimization of Shock Absorber Using Magnetorheological Fluid

Modeling and Parameter Identification of a Shock Absorber Using Magnetorheological Fluid

Research of the Key Technologies for Undercarriage Landing Buffer System

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