@article{
 title = {Design of computer experiments applied to modeling of compliant mechanisms for real-time control},
 type = {article},
 year = {2013},
 keywords = {Compliant mechanism,Design of computer experiments,Design of experiments,Meta-modeling,Plackett-burman design,Uniform design},
 pages = {329-343},
 volume = {29},
 id = {9a38ba99-f85e-329b-996a-7452aa1e9d37},
 created = {2016-12-14T14:54:08.000Z},
 file_attached = {false},
 profile_id = {cb4b6709-c1a7-300b-8cdc-ed7705437b72},
 last_modified = {2021-04-17T03:33:42.359Z},
 read = {false},
 starred = {false},
 authored = {true},
 confirmed = {true},
 hidden = {false},
 private_publication = {false},
 abstract = {This article discusses the use of design of computer experiments (DOCE) (i.e., experiments run with a computer model to find how a set of inputs affects a set of outputs) to obtain a force-displacement meta-model (i.e., a mathematical equation that summarizes and aids in analyzing the input-output data of a DOCE) of compliant mechanisms (CMs). The procedure discussed produces a force-displacement meta-model, or closed analytic vector function, that aims to control CMs in real-time. In our work, the factorial and space-filling DOCE meta-model of CMs is supported by finite element analysis (FEA). The protocol discussed is used to model the HexFlex mechanism functioning under quasi-static conditions. The HexFlex is a parallel CM for nano-manipulation that allows six degrees of freedom (x, y, z, θ x, θ y, θ z ) of its moving platform. In the multi-linear model fit of the HexFlex, the products or interactions proved to be negligible, yielding a linear model (i.e., linear in the inputs) for the operating range. The accuracy of the meta-model was calculated by conducting a set of computer experiments with random uniform distribution of the input forces. Three error criteria were recorded comparing the meta-model prediction with respect to the results of the FEA experiments by determining: (1) maximum of the absolute value of the error, (2) relative error, and (3) root mean square error. The maximum errors of our model are lower than high-precision manufacturing tolerances and are also lower than those reported by other researchers who have tried to fit meta-models to the HexFlex mechanism. © 2012 Springer-Verlag London Limited.},
 bibtype = {article},
 author = {Acosta, Diego A. and Restrepo, David and Durango, Sebastián and Ruiz, Oscar E.},
 doi = {10.1007/s00366-012-0268-8},
 journal = {Engineering with Computers},
 number = {3}
}

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