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This investigation presents novel adaptive control algorithms specifically designed to address and mitigate thermoacoustic instabilities. Two control strategies are available to alleviate this issue: active and passive. Active control…

最优化与控制 · 数学 2024-07-02 Bayu Dharmaputra , Pit Reckinger , Bruno Schuermans , Nicolas Noiray

The Florence branch of an Italian supermarket chain recently implemented a strategy that permanently lowered the price of numerous store brands in several product categories. To quantify the impact of such a policy change, researchers often…

应用统计 · 统计学 2021-02-23 Fiammetta Menchetti , Iavor Bojinov

Platform trials evaluate multiple experimental treatments against a common control group (and/or against each other), which often reduces the trial duration and sample size. Bayesian platform designs offer several practical advantages,…

统计方法学 · 统计学 2025-07-18 Luke Hagar , Lara Maleyeff , Shirin Golchi , Dick Menzies

The purpose of this work is to transport the information from multiple randomized controlled trials to the target population where we only have the control group data. Previous works rely critically on the mean exchangeability assumption.…

机器学习 · 统计学 2023-09-29 Yuhang Zhang , Yue Liu , Zhihua Zhang

We introduce a geodesic synthetic control method for causal inference that extends existing synthetic control methods to scenarios where outcomes are elements in a geodesic metric space rather than scalars. Examples of such outcomes include…

统计方法学 · 统计学 2025-11-04 Daisuke Kurisu , Yidong Zhou , Taisuke Otsu , Hans-Georg Müller

Automatic controller tuning is attractive for robotics and mechatronic systems whose dynamics are difficult to model accurately, but direct black-box optimization can be unsafe because each query is executed on the physical plant. Existing…

机器人学 · 计算机科学 2026-05-15 Hongxuan Wang , Xiaocong Li , Lihao Zheng , Adrish Bhaumik , Prahlad Vadakkepat

Detecting symmetry from data is a fundamental problem in signal analysis, providing insight into underlying structure and constraints. When data emerge as trajectories of dynamical systems, symmetries encode structural properties of the…

机器学习 · 统计学 2025-10-21 Ziad Ghanem , Chang Hyunwoong , Preskella Mrad

The hybrid approach to experimental design aims to control frequentist operating characteristics of Bayesian decision procedures. These operating characteristics are assessed by simulating sampling distributions of posterior summaries under…

统计方法学 · 统计学 2026-05-04 Luke Hagar , James M. McGree

This paper introduces a quasi-Bayesian method that integrates frequentist nonparametric estimation with Bayesian inference in a two-stage process. Applied to an endogenous discrete choice model, the approach first uses kernel or sieve…

计量经济学 · 经济学 2025-05-20 Ruixuan Liu , Zhengfei Yu

A method based on Bayesian neural networks and genetic algorithm is proposed to control the fermentation process. The relationship between input and output variables is modelled using Bayesian neural network that is trained using hybrid…

计算工程、金融与科学 · 计算机科学 2007-05-23 Tshilidzi Marwala

This paper deals with optimal control problems described by a controlled version of Moreau's sweeping process governed by convex polyhedra, where measurable control actions enter additive perturbations. This class of problems, which…

最优化与控制 · 数学 2018-08-14 Giovanni Colombo , Boris S. Mordukhovich , Dao Nguyen

Control auto-tuning for industrial and robotic systems, when framed as an optimization problem, provides an excellent means to tune these systems. However, most optimization methods are computationally costly, and this is problematic for…

计算工程、金融与科学 · 计算机科学 2024-11-11 Marlon J. Ares-Milian , Gregory Provan , Marcos Quinones-Grueiro

Bayesian models quantify uncertainty and facilitate optimal decision-making in downstream applications. For most models, however, practitioners are forced to use approximate inference techniques that lead to sub-optimal decisions due to…

机器学习 · 统计学 2019-09-12 Tomasz Kuśmierczyk , Joseph Sakaya , Arto Klami

This article extends the widely-used synthetic controls estimator for evaluating causal effects of policy changes to quantile functions. The proposed method provides a geometrically faithful estimate of the entire counterfactual quantile…

计量经济学 · 经济学 2022-01-03 Florian Gunsilius

Estimation and inference procedures for synthetic control methods often do not allow for the existence of spillover effects, which are plausible in many applications. In this paper, we consider estimation and inference for synthetic control…

计量经济学 · 经济学 2026-01-23 Jianfei Cao , Connor Dowd

Inverse problems, i.e., estimating parameters of physical models from experimental data, are ubiquitous in science and engineering. The Bayesian formulation is the gold standard because it alleviates ill-posedness issues and quantifies…

机器学习 · 统计学 2024-05-28 Sharmila Karumuri , Ilias Bilionis

We propose the use of Bayesian networks, which provide both a mean value and an uncertainty estimate as output, to enhance the safety of learned control policies under circumstances in which a test-time input differs significantly from the…

机器学习 · 计算机科学 2019-02-18 Keuntaek Lee , Kamil Saigol , Evangelos A. Theodorou

Controller tuning and parameter optimization are crucial in system design to improve closed-loop system performance. Bayesian optimization has been established as an efficient model-free controller tuning and adaptation method. However,…

系统与控制 · 电气工程与系统科学 2024-04-24 Christopher König , Raamadaas Krishnadas , Efe C. Balta , Alisa Rupenyan

We investigate constrained optimal control problems for linear stochastic dynamical systems evolving in discrete time. We consider minimization of an expected value cost over a finite horizon. Hard constraints are introduced first, and then…

最优化与控制 · 数学 2011-07-07 Eugenio Cinquemani , Mayank Agarwal , Debasish Chatterjee , John Lygeros

Bayesian inference and the use of posterior or posterior predictive probabilities for decision making have become increasingly popular in clinical trials. The current practice in Bayesian clinical trials relies on a hybrid…

统计方法学 · 统计学 2024-04-30 Shirin Golchi , James Willard