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We propose a new algorithm for an adaptive optics system control law, based on the Linear Quadratic Gaussian approach and a Kalman Filter adaptation with localizations. It allows to handle non-stationary behaviors, to obtain performance…

天体物理仪器与方法 · 物理学 2015-06-22 Morgan Gray , Cyril Petit , Sergey Rodionov , Marc Bocquet , Laurent Bertino , Marc Ferrari , Thierry Fusco

Inertial measurement units are widely used in different fields to estimate the attitude. Many algorithms have been proposed to improve estimation performance. However, most of them still suffer from 1) inaccurate initial estimation, 2)…

机器人学 · 计算机科学 2021-07-28 Yujie Tang , Liang Hu , Qingrui Zhang , Wei Pan

This proposed work introduces a data-assimilation-assisted approach to train neural networks, aimed at effectively reducing epistemic uncertainty in state estimates of separated flows. This method, referred to as model-consistent training,…

流体动力学 · 物理学 2024-08-02 Minghan Chu

In the process of reproducing the state dynamics of parameter dependent distributed systems, data from physical measurements can be incorporated into the mathematical model to reduce the parameter uncertainty and, consequently, improve the…

数值分析 · 数学 2022-10-06 Francesco A. B. Silva , Cecilia Pagliantini , Martin Grepl , Karen Veroy

State estimation is crucial for legged robots as it directly affects control performance and locomotion stability. In this paper, we propose an Adaptive Invariant Extended Kalman Filter to improve proprioceptive state estimation for legged…

机器人学 · 计算机科学 2025-10-21 Kyung-Hwan Kim , DongHyun Ahn , Dong-hyun Lee , JuYoung Yoon , Dong Jin Hyun

A learning method is proposed for Koopman operator-based models with the goal of improving closed-loop control behavior. A neural network-based approach is used to discover a space of observables in which nonlinear dynamics is linearly…

最优化与控制 · 数学 2023-03-23 Daisuke Uchida , Karthik Duraisamy

In this work, we propose using an ensemble Kalman method to learn a nonlinear eddy viscosity model, represented as a tensor basis neural network, from velocity data. Data-driven turbulence models have emerged as a promising alternative to…

流体动力学 · 物理学 2022-10-12 Xin-Lei Zhang , Heng Xiao , Xiaodong Luo , Guowei He

Accurate estimation of the dynamic states of a synchronous machine (e.g., rotor s angle and speed) is essential in monitoring and controlling transient stability of a power system. It is well known that the covariance matrixes of process…

系统与控制 · 计算机科学 2017-02-06 Shahrokh Akhlaghi , Ning Zhou , Zhenyu Huang

Imitation learning (IL) enables efficient skill acquisition from demonstrations but often struggles with long-horizon tasks and high-precision control due to compounding errors. Residual policy learning offers a promising, model-agnostic…

机器人学 · 计算机科学 2025-09-17 Zhefei Gong , Shangke Lyu , Pengxiang Ding , Wei Xiao , Donglin Wang

The nominal performance of mechanical systems is often degraded by unknown disturbances. A two-degree-of-freedom control structure can decouple nominal performance from disturbance rejection. However, perfect disturbance rejection is…

机器人学 · 计算机科学 2025-10-20 Shilei Li , Dawei Shi , Makoto Iwasaki , Yan Ning , Hongpeng Zhou , Ling Shi

Human motion capture is frequently used to study rehabilitation and clinical problems, as well as to provide realistic animation for the entertainment industry. IMU-based systems, as well as Marker-based motion tracking systems, are the…

计算机视觉与模式识别 · 计算机科学 2020-12-09 Omid Taheri , Hassan Salarieh , Aria Alasty

In this paper, we introduce a model-free, real-time, dynamic optimization and control method for a class of rigid body dynamics. Our method is based on a recent extremum seeking control for vibrational stabilization (ESC-VS) approach that…

最优化与控制 · 数学 2026-04-21 Rohan Palanikumar , Ahmed A. Elgohary , Simone Martini , Sameh A. Eisa

Control-affine Extremum Seeking Control (ESC) systems have been increasingly studied and applied in the last decade. In a recent effort, many control-affine ESC structures have been generalized in a unifying class and their stability was…

最优化与控制 · 数学 2023-05-02 Sameer Pokhrel , Sameh A. Eisa

Kalman Filter requires the true parameters of the model and solves optimal state estimation recursively. Expectation Maximization (EM) algorithm is applicable for estimating the parameters of the model that are not available before Kalman…

机器学习 · 计算机科学 2021-05-26 Zhuangwei Shi

This paper introduces a new invariant extended Kalman filter design that produces real-time state estimates and rapid error convergence for the estimation of the human body movement even in the presence of sensor misalignment and initial…

机器人学 · 计算机科学 2025-08-05 Zenan Zhu , Seyed Mostafa Rezayat Sorkhabadi , Yan Gu , Wenlong Zhang

An important part of system modeling is determining parameter values, particularly for biomolecular systems, where direct measurements of individual parameters are typically hard. While Extended Kalman Filters have been used for this…

定量方法 · 定量生物学 2018-11-13 Abhishek Dey , Kushal Chakrabarti , Krishan Kumar Gola , Shaunak Sen

Improved state space models, such as Recurrent State Space Models (RSSMs), are a key factor behind recent advances in model-based reinforcement learning (RL). Yet, despite their empirical success, many of the underlying design choices are…

机器学习 · 计算机科学 2022-10-18 Philipp Becker , Gerhard Neumann

With the recent advance of deep learning based object recognition and estimation, it is possible to consider object level SLAM where the pose of each object is estimated in the SLAM process. In this paper, based on a novel Lie group…

机器人学 · 计算机科学 2021-09-14 Yang Song , Zhuqing Zhang , Jun Wu , Yue Wang , Liang Zhao , Shoudong Huang

The robotic assembly represents a group of benchmark problems for reinforcement learning and variable compliance control that features sophisticated contact manipulation. One of the key challenges in applying reinforcement learning to…

机器人学 · 计算机科学 2019-05-14 Tianyu Ren , Yunfei Dong , Dan Wu , Ken Chen

In this paper, we focus on sensor placement in linear dynamic estimation, where the objective is to place a small number of sensors in a system of interdependent states so to design an estimator with a desired estimation performance. In…

最优化与控制 · 数学 2020-05-18 Vasileios Tzoumas , Ali Jadbabaie , George J. Pappas