activity
20162024
most citedBayesian learning of orthogonal embeddings for multi-fidelity Gaussian Processes

26 citations · 67 across the 15 of their papers we have counts for

collaborators

15 papers

stat.ML2024★ 1 cited

Heterogenous Multi-Source Data Fusion Through Input Mapping and Latent Variable Gaussian Process

Yigitcan Comlek, Sandipp Krishnan Ravi, Piyush Pandita +3

Artificial intelligence and machine learning frameworks have served as computationally efficient mapping between inputs and outputs for engineering problems. These mappings have en…

stat.ML2024★ 1 cited

Interpretable Multi-Source Data Fusion Through Latent Variable Gaussian Process

Sandipp Krishnan Ravi, Yigitcan Comlek, Arjun Pathak +9

With the advent of artificial intelligence and machine learning, various domains of science and engineering communities have leveraged data-driven surrogates to model complex syste…

cs.CE2023

Application of probabilistic modeling and automated machine learning framework for high-dimensional stress field

Lele Luan, Nesar Ramachandra, Sandipp Krishnan Ravi +6

Modern computational methods, involving highly sophisticated mathematical formulations, enable several tasks like modeling complex physical phenomenon, predicting key properties an…

cs.LG2021

Reinforcement Learning based Sequential Batch-sampling for Bayesian Optimal Experimental Design

Yonatan Ashenafi, Piyush Pandita, Sayan Ghosh

Engineering problems that are modeled using sophisticated mathematical methods or are characterized by expensive-to-conduct tests or experiments, are encumbered with limited budget…

eess.SP2021★ 2 cited

Inverse Aerodynamic Design of Gas Turbine Blades using Probabilistic Machine Learning

Sayan Ghosh, Govinda A. Padmanabha, Cheng Peng +6

One of the critical components in Industrial Gas Turbines (IGT) is the turbine blade. Design of turbine blades needs to consider multiple aspects like aerodynamic efficiency, durab…

cs.LG2020

Data-based Discovery of Governing Equations

Waad Subber, Piyush Pandita, Sayan Ghosh +3

Most common mechanistic models are traditionally presented in mathematical forms to explain a given physical phenomenon. Machine learning algorithms, on the other hand, provide a m…

physics.comp-ph2020

Data-Informed Decomposition for Localized Uncertainty Quantification of Dynamical Systems

Waad Subber, Sayan Ghosh, Piyush Pandita +2

Industrial dynamical systems often exhibit multi-scale response due to material heterogeneities, operation conditions and complex environmental loadings. In such problems, it is th…

stat.ML2020★ 26 cited

Bayesian learning of orthogonal embeddings for multi-fidelity Gaussian Processes

Panagiotis Tsilifis, Piyush Pandita, Sayan Ghosh +3

We present a Bayesian approach to identify optimal transformations that map model input points to low dimensional latent variables. The "projection" mapping consists of an orthonor…

stat.ML2020

A Fully Bayesian Gradient-Free Supervised Dimension Reduction Method using Gaussian Processes

Raphael Gautier, Piyush Pandita, Sayan Ghosh +1

Modern day engineering problems are ubiquitously characterized by sophisticated computer codes that map parameters or inputs to an underlying physical process. In other situations,…

stat.ML2020★ 4 cited

Advances in Bayesian Probabilistic Modeling for Industrial Applications

Sayan Ghosh, Piyush Pandita, Steven Atkinson +5

Industrial applications frequently pose a notorious challenge for state-of-the-art methods in the contexts of optimization, designing experiments and modeling unknown physical resp…

stat.ML2019

Learning Arbitrary Quantities of Interest from Expensive Black-Box Functions through Bayesian Sequential Optimal Design

Piyush Pandita, Nimish Awalgaonkar, Ilias Bilionis +1

Estimating arbitrary quantities of interest (QoIs) that are non-linear operators of complex, expensive-to-evaluate, black-box functions is a challenging problem due to missing doma…

stat.ML2019★ 3 cited

Towards Scalable Gaussian Process Modeling

Piyush Pandita, Jesper Kristensen, Liping Wang

Numerous engineering problems of interest to the industry are often characterized by expensive black-box objective experiments or computer simulations. Obtaining insight into the p…

math.OC2018

Bayesian Optimal Design of Experiments For Inferring The Statistical Expectation Of A Black-Box Function

Piyush Pandita, Ilias Bilionis, Jitesh Panchal

Bayesian optimal design of experiments (BODE) has been successful in acquiring information about a quantity of interest (QoI) which depends on a black-box function. BODE is charact…

math.OC2017★ 14 cited

Stochastic Multi-objective Optimization on a Budget: Application to multi-pass wire drawing with quantified uncertainties

Piyush Pandita, Ilias Bilionis, Jitesh Panchal +3

Design optimization of engineering systems with multiple competing objectives is a painstakingly tedious process especially when the objective functions are expensive-to-evaluate c…

math.OC2016★ 16 cited

Extending Expected Improvement for High-dimensional Stochastic Optimization of Expensive Black-Box Functions

Piyush Pandita, Ilias Bilionis, Jitesh Panchal

Design optimization under uncertainty is notoriously difficult when the objective function is expensive to evaluate. State-of-the-art techniques, e.g, stochastic optimization or sa…