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Time Series Control Charts in the Presence of Model Uncertainty
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Time series control charts are popular methods for statistical process control of autocorrelated processes. In order to implement these methods, however, a time series model of the process is ...
A Suboptimal N-Step-Ahead Cautious Controller for Adaptive Control Applications
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: If there is little a priori knowledge of the plant parameters, the performance of certainty equivalence based adaptive controllers during the transient period, before the parameter estimates have ...
Singularity Issues in Fixture Fault Diagnosis for Multi-Station Assembly Processes
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: This paper presents a method of diagnosing variance components of process error sources in singular manufacturing systems. The singularity problem is studied and the cause examined in the context ...
Understanding the Effects of Model Uncertainty in Robust Design With Computer Experiments
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: The use of computer experiments and surrogate approximations (metamodels) introduces a source of uncertainty in simulation-based design that we term model interpolation uncertainty. Most existing ...
Quantification of Model Uncertainty: Calibration, Model Discrepancy, and Identifiability
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: To use predictive models in engineering design of physical systems, one should first quantify the model uncertainty via model updating techniques employing both simulation and experimental data. ...
Improving Identifiability in Model Calibration Using Multiple Responses
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: In physics-based engineering modeling, the two primary sources of model uncertainty, which account for the differences between computer models and physical experiments, are parameter uncertainty ...