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TL;DR: Using data from extensive vibrational tests of the new aircraft Saab 2000 three different methods for vibration analysis are studied and it is found that both the ERA and N4SID methods give good initial model parameter estimates that can be further improved by the use of PEM.
6 citations
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TL;DR: The technical background is human-machine interaction (HMI), which is only one area where SBD could be deployed, but in combination with human-in-the-loop simulation, HMI should be the most relevant perspective.
Abstract: Human-in-the-loop simulators have been used for some decades in the automotive area. Historically, the most prevalent motive for this, beside training purposes, has been to study human performance in various situations. We suggest another focus, to evaluate human-machine system performance for various car system solutions as a fundamental part of simulator-based design (SBD). Our technical background is human-machine interaction (HMI), which is only one area where SBD could be deployed. However, in combination with human-in-the-loop simulation, HMI should be the most relevant perspective. In order to facilitate this SBD approach, it is necessary to have simulators (software and hardware) that support this way to implement new car system solutions to work seamlessly together with the entire vehicle system. Unfortunately, there are few such simulators available on the market today. We will expand this theme in the article and also address important questions concerning fidelity and validity.
6 citations
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TL;DR: A methodology that provides an analytical tool for estimation of robustness and response variation within a pre-defined process window and gives significant insights into the usefulness of individual design parameters is presented.
Abstract: The aim of this paper is to present a methodology that provides an analytical tool for estimation of robustness and response variation within a pre-defined process window. To exemplify the developed methodology, the stochastic simulation technique is used for a sheet-metal forming application. A sampling plan based on the Latin hypercube sampling method for variation of design parameters is utilized, and the thickness reduction is specified as the response. Moreover, the response surface methodology is applied for understanding the quantitative relationship between design parameters and response value. The conclusions of this study are that the applied method gives a possibility to illustrate and interpret the variation of the response versus a design parameter variation. Consequently, it gives significant insights into the usefulness of individual design parameters. It has been shown that the method enables us to estimate the admissible design parameter variations and to predict the actual safe margin for given process parameters. Furthermore, the dominating design parameters can be predicated using sensitivity analysis, and this in its turn clarifies how the reliability criteria are met. Finally, the developed software can be used as an additional module for set-up of stochastic finite element simulations and to collect the numerical results from different solvers within different applications.
6 citations
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TL;DR: In this article, the cyclic behavior of a rotational friction damper with different friction pads under cyclic loading was investigated, and the experimental results were studied according to FEMA-356 acceptance criteria to select the appropriate friction materials as friction pads for using in the friction dammers.
6 citations
Authors
Showing all 760 results
Name | H-index | Papers | Citations |
---|---|---|---|
Christer Larsson | 64 | 272 | 12916 |
Björn Johansson | 62 | 637 | 16030 |
David C. Viano | 48 | 232 | 8283 |
Thomas Schiex | 47 | 138 | 11031 |
Robin Hanson | 28 | 114 | 3519 |
Per Lötstedt | 28 | 109 | 2960 |
Brigitte Mangin | 26 | 48 | 2652 |
Lars Hanson | 19 | 117 | 1138 |
Carl Gustafson | 17 | 34 | 1035 |
Magnus Carlsson | 16 | 37 | 808 |
Per-Johan Nordlund | 14 | 26 | 2738 |
David Allouche | 14 | 26 | 680 |
Mark A. Saab | 13 | 16 | 1153 |
Andreas Gällström | 13 | 34 | 402 |
Hans Hellsten | 12 | 37 | 549 |