Method for Modeling Electrorheological Dampers Using Its Dynamic Characteristics

A method for modeling an Electrorheological (ER) damper is proposed. The modeling method comprehends two simple steps: characterization and model customization. These steps are based on the experimental data of the damper behavior. Experiments were designed to explore the nonlinear behavior of the d...

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Bibliographic Details
Published in:Mathematical problems in engineering 2015-01, Vol.2015 (2015), p.1-15
Main Authors: Ramírez Mendoza, Ricardo A., Morales-Menendez, Ruben, Hernández-Alcantara, Diana, Vivas-Lopez, Carlos A., Ahuett-Garza, Horacio
Format: Article
Language:English
Subjects:
Actuation
Automotive components
Customizing
Dampers
Density
Design of experiments
Dynamic characteristics
Electric fields
Embedded systems
Mathematical analysis
Mathematical models
Modelling
Nonlinearity
Performance indices
Physical properties
Proposals
Shock absorbers
Velocity
Viscoelasticity
Yield stress
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Description
Summary:A method for modeling an Electrorheological (ER) damper is proposed. The modeling method comprehends two simple steps: characterization and model customization. These steps are based on the experimental data of the damper behavior. Experiments were designed to explore the nonlinear behavior of the damper at different frequencies and actuation signals (i.e., automotive domain). The resulting model has low computational complexity. The method was experimentally validated with a commercial damper. The error-to-signal Ratio (ESR) performance index was used to evaluate the model accuracy. The results were quantitatively compared with two well-known ER damper models: the Choi parametric model and the Eyring-plastic model. The new proposed model has a 44% better ESR index than the Choi parametric model and 28% for the Eyring-plastic model. A qualitative comparison based on density plots highlights the advantages of this proposal.
ISSN:1024-123X
1563-5147
DOI:10.1155/2015/905731