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Keywords: uncertainty
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Proceedings Papers

Proc. ASME. IDETC-CIE2021, Volume 2: 41st Computers and Information in Engineering Conference (CIE), V002T02A040, August 17–19, 2021
Paper No: DETC2021-69985
...Abstract Abstract Additive manufacturing introduces geometric uncertainties on the fabricated strut members of lattice structures. These uncertainties lead to deviations between the simulation result and the fabricated mechanical performance. Although these uncertainties can be characterized...
Proceedings Papers

Proc. ASME. IDETC-CIE2021, Volume 3B: 47th Design Automation Conference (DAC), V03BT03A045, August 17–19, 2021
Paper No: DETC2021-70826
.... green supply chain design k-median facility location problem compromise decision support problem (cDSP) uncertainty asset management Proceedings of the ASME 2021 International Design Engineering Technical Conferences and Computers and Information in Engineering Conference IDETC-CIE2021 August...
Proceedings Papers

Proc. ASME. IDETC-CIE2021, Volume 3B: 47th Design Automation Conference (DAC), V03BT03A009, August 17–19, 2021
Paper No: DETC2021-67958
...]. Keywords: Reliability; System; Bayesian method; Uncertainty; Optimization Many statistics-based methods for component reliability are available in reliability engineering [6]. Physics-based methods 1. INTRODUCTION for component reliability have also been extensively For many system design problems...
Proceedings Papers

Proc. ASME. DETC97, Volume 3: 9th International Design Theory and Methodology Conference, V003T30A014, September 14–17, 1997
Paper No: DETC97/DTM-3878
..., the significance of uncertainty in relation to design improvement potential is discussed. The proposed method is then applied to an engine concept selection problem. product design evaluation preference uncertainty bootstrap Proceedings of DETC 97: 1997 ASME Design Engineering Technical Conference...
Proceedings Papers

Proc. ASME. DETC97, Volume 4: Design for Manufacturing Conference, V004T31A028, September 14–17, 1997
Paper No: DETC97/DFM-4358
... due to ambiguity and uncertainty. We examine uncertainties in the company’s ability to identify, design, develop, manufacture, and market products that customers desire resulting in an acceptable return for the company. Based on a basic model of innovative product development, our framework identifies...
Proceedings Papers

Proc. ASME. DETC97, Volume 4: Design for Manufacturing Conference, V004T31A023, September 14–17, 1997
Paper No: DETC97/DFM-4376
... and trace accurately overhead — and direct costs, energy and waste generation. The inherent uncertainty is modeled in terms of fuzzy numbers, but solved numerically using the Monte Carlo simulation technique, which allows us to perform a sensitivity analysis. This enables us to not only estimate the costs...
Proceedings Papers

Proc. ASME. IDETC-CIE2001, Volume 4: 13th International Conference on Design Theory and Methodology, 165-175, September 9–12, 2001
Paper No: DETC2001/DTM-21699
... of utility theory to the model construction problem. We also discuss how estimated model accuracy affects the confidence of selecting a particular model. We present this research through application to a racecar sway bar. Engineering Design Design Models Utility Theory Model Accuracy Uncertainty...
Proceedings Papers

Proc. ASME. IDETC-CIE2020, Volume 11A: 46th Design Automation Conference (DAC), V11AT11A058, August 17–19, 2020
Paper No: DETC2020-22608
... with and without the new acquisition function, and reveal the importance of considering geometric uncertainty during the optimization process. bistable architected material additive manufacturing uncertainty acquisition function machine learning Bayesian optimization robust design *Corresponding...
Proceedings Papers

Proc. ASME. IDETC-CIE2020, Volume 11B: 46th Design Automation Conference (DAC), V11BT11A025, August 17–19, 2020
Paper No: DETC2020-22257
...Abstract Abstract Validation in vehicle engineering identifies and quantifies the differences between simulation models and experiment data. In this work we consider these differencesthe lack of ability to model uncertainties and to identify unknown parameters values, especially for coupled...
Proceedings Papers

Proc. ASME. IDETC-CIE2020, Volume 11B: 46th Design Automation Conference (DAC), V11BT11A051, August 17–19, 2020
Paper No: DETC2020-22248
... future requirements, even after considering additional incurred costs. Excess , the purposeful inclusion of margin beyond what is required for known uncertainties, is the method used in this work for addressing uncertain future requirements. This paper provides evidence that excess can make a system...
Proceedings Papers

Proc. ASME. IDETC-CIE2020, Volume 6: 25th Design for Manufacturing and the Life Cycle Conference (DFMLC), V006T06A029, August 17–19, 2020
Paper No: DETC2020-22239
...Abstract Abstract Remanufacturing is a crucial component for our societies to move toward a circular economy. Compared to new manufacturing, the distinctive nature of remanufacturing is found to have high variability, high uncertainty and, thereby, complexity. Therefore, remanufacturers need...
Proceedings Papers

Proc. ASME. IDETC-CIE2013, Volume 3B: 39th Design Automation Conference, V03BT03A046, August 4–7, 2013
Paper No: DETC2013-12170
... Traditionally gears are designed using design standards such as AGMA, ISO, etc. These design standards include a large number of “design factors” accounting for various uncertainties related to geometry, load and material uncertainties. As the knowledge about these uncertainties increases...
Proceedings Papers

Proc. ASME. IDETC-CIE2012, Volume 5: 6th International Conference on Micro- and Nanosystems; 17th Design for Manufacturing and the Life Cycle Conference, 579-590, August 12–15, 2012
Paper No: DETC2012-70743
... be replaced at a specific design refresh. When data uncertainty is considered and obsolescence dates of the components are assumed to follow specific probability distributions, different solutions for executing design refreshes and the probabilities of adopting these solutions can be obtained. The final...
Proceedings Papers

Proc. ASME. IDETC-CIE2011, Volume 2: 31st Computers and Information in Engineering Conference, Parts A and B, 1285-1295, August 28–31, 2011
Paper No: DETC2011-47869
... Uncertainty assessment and management is becoming an increasingly essential aspect of good prognostic design for engineering complex systems. Uncertainty surrounding diagnostics, loads, and fault progression models is very real and propagating this uncertainty from component-level health...
Proceedings Papers

Proc. ASME. IDETC-CIE2011, Volume 9: 23rd International Conference on Design Theory and Methodology; 16th Design for Manufacturing and the Life Cycle Conference, 435-443, August 28–31, 2011
Paper No: DETC2011-47296
... Probabilistic methods have been widely used to account for uncertainty from various sources to predict fatigue life for components or materials. The Bayesian approach can potentially give more accurate estimates by combining test data with technical knowledge available from theoretical analyses...
Proceedings Papers

Proc. ASME. IDETC-CIE2009, Volume 5: 35th Design Automation Conference, Parts A and B, 1161-1169, August 30–September 2, 2009
Paper No: DETC2009-86748
... design a biological mass sensor in this paper. One of the important challenges in the design of biological mass sensors is inherent uncertainties of MEMS fabrication processes that may strongly affect to the disk resonator performances. Parameters of main effect on the sensor performance (i.e., mass...
Proceedings Papers

Proc. ASME. IDETC-CIE2007, Volume 4: ASME/IEEE International Conference on Mechatronic and Embedded Systems and Applications and the 19th Reliability, Stress Analysis, and Failure Prevention Conference, 471-482, September 4–7, 2007
Paper No: DETC2007-35581
... 22 05 2009 The design process can be viewed as a series of actions for reducing uncertainty in product or system design specifications. At the beginning of the design process, uncertainty is high because the design space has yet to be explored and decisions have not been made...
Proceedings Papers

Proc. ASME. IDETC-CIE2004, Volume 1: 30th Design Automation Conference, 953-962, September 28–October 2, 2004
Paper No: DETC2004-57484
... The importance of sensitivity analysis in engineering design cannot be over-emphasized. In design under uncertainty, sensitivity analysis is performed with respect to the probabilistic characteristics. Global sensitivity analysis (GSA), in particular, is used to study the impact of variations...
Proceedings Papers

Proc. ASME. IDETC-CIE2004, Volume 1: 30th Design Automation Conference, 189-198, September 28–October 2, 2004
Paper No: DETC2004-57152
... Three families of methods coexist for managing uncertainty (i.e. representing and propagating) of the product data during the preliminary design stages, namely: fuzzy methods, probabilistic methods and Constraint Programming (CP) methods. CP methods over reals are, up to now, the least...
Proceedings Papers

Proc. ASME. IDETC-CIE2003, Volume 2: 29th Design Automation Conference, Parts A and B, 55-62, September 2–6, 2003
Paper No: DETC2003/DAC-48709
... In Reliability-Based Design (RBD), uncertainties usually imply for randomness. Nondeterministic variables are assumed to follow certain probability distributions. However, in real engineering applications, some of distributions may not be precisely known or uncertainties associated with some...