Contribution analysis in multivariate statistical process monitoring (MSPM) identifies the most responsible variables to the detected process fault. In multivariate contribution analysis, the main challenge of fault isolation is to determine the appropriate variables to be analysed and this usually results in a combinatorial optimisation problem. Reconstruction-based multivariate contribution a...

An appropriately designed sensor network is crucial for the success of any fault diagnostic strategy. In previous works (Bhushan and Rengaswamy, 2002a,b) strategies for optimally locating sensors based on criteria of reliability maximization and cost minimization have been devised. These opposing objectives were treated in a lexicographic (a special type of multiobjective optimization) manner. ...

The fact that modern Networked Industrial Control Systems (NICS) depend on Information and Communication Technologies (ICT) is well known. Although many studies have focused on the security of NICS, today we still lack a proper understanding of the impact that network design choices have on the resilience of NICS, e.g., a network architecture using VLAN segmentation. In this paper we investigat...

A feedback-based model predictive control (MPC) approach to product quality improvement that incorporates multivariate statistical techniques has been developed [1]. The objective of the approach is to use existing process measurements to help reduce the variability of product quality when its online measurement is not feasible. The approach is model based and it uses principal component analys...

Recently, data mining and machine learning techniques have been increasingly applied in process engineering. Various successful applications include fault detection and development of data driven models. While fault detection is useful for steady operation of the plant, data driven models can be employed for robust prediction of structure activity relationships. Many of these models require non...

a Electrochemical Energy Storage and Conversion Laboratory, Department of Mechanical, Aerospace and Biomedical Engineering, University of Tennessee, Knoxville, Tennessee 37996, USA b Chemical and Biomolecular Engineering Department, University of Tennessee, Knoxville, Tennessee 37996, USA c Physical Chemistry of Materials Group Oak Ridge National Laboratory, Oak Ridge, Tennessee 37831, USA d En...

1Department of Biostatistics and Epidemiology, East Tennessee State University, USA 2Department of Community and Behavioral Health, College of Public Health East Tennessee State University, USA 3Center for Nursing Research, East Tennessee State University, USA 4James H Quillen College of Medicine, East Tennessee State University, USA 5Department Tennessee of Education, Coordinated School Health...

Spallation Neutron Source, Oak Ridge National Laboratory, Oak Ridge, Tennessee 37831-6473, Chemical Sciences DiVision, Oak Ridge National Laboratory, Oak Ridge, Tennessee 37831-6110, Department of Chemical Engineering, Vanderbilt UniVersity, NashVille, Tennessee 37235-1604, Center for Nanophase Materials Sciences, Oak Ridge National Laboratory, Oak Ridge, Tennessee 37831-6496, and EnVironmental...