Comparison of guaranteed state estimators for linear time-invariant systems

M Althoff, JJ Rath - Automatica, 2021 - Elsevier
Guaranteed state estimation computes the set of possible states of dynamical systems given
the bounds of model uncertainties, disturbances, and noises. For the first time, we evaluate …

An integrated design method for active fault diagnosis and control

J Wang, X Lv, Z Meng, V Puig - International Journal of Robust …, 2023 - Wiley Online Library
The injection of an auxiliary input signal for active fault diagnosis may cause the change of
system control performance in closed‐loop operation. This paper presents a novel …

Interval observer versus set‐membership approaches for fault detection in uncertain systems using zonotopes

M Pourasghar, V Puig… - International Journal of …, 2019 - Wiley Online Library
This paper presents both analysis and comparison of the interval observer–based and set‐
membership approaches for the state estimation and fault detection (FD) in uncertain linear …

Set-membership estimation in shared situational awareness for automated vehicles in occluded scenarios

V Narri, A Alanwar, J Mårtensson… - 2021 IEEE Intelligent …, 2021 - ieeexplore.ieee.org
One of the main challenges in developing autonomous transport systems based on
connected and automated vehicles is the comprehension and understanding of the …

[HTML][HTML] Distributed set-based observers using diffusion strategies

A Alanwar, JJ Rath, H Said, KH Johansson… - Journal of the Franklin …, 2023 - Elsevier
We propose two distributed set-based observers using strip-based and set-propagation
approaches for linear discrete-time dynamical systems with bounded modeling and …

Data-driven set-based estimation using matrix zonotopes with set containment guarantees

A Alanwar, A Berndt, KH Johansson… - 2022 European …, 2022 - ieeexplore.ieee.org
We propose a method to perform set-based state estimation of an unknown dynamical linear
system using a data-driven set propagation function. Our method comes with set …

Zonotopic filtering for uncertain nonlinear systems: Fundamentals, implementation aspects, and extensions [applications of control]

AA de Paula, GV Raffo… - IEEE Control Systems …, 2022 - ieeexplore.ieee.org
This tutorial provides a comprehensive perspective on the study of zonotopic filtering for
nonlinear uncertain dynamical systems. Unlike stochastic methods that characterize the …

A novel design of unknown input observers using set-theoretic methods for robust fault detection

F Xu, J Tan, X Wang, V Puig, B Liang… - 2016 American Control …, 2016 - ieeexplore.ieee.org
This paper proposes a novel unknown input observer (UIO) design method, which
incorporates the set-theoretic notions into the design of UIOs. In this way, we can take …

[PDF][PDF] 基于未知输入集员滤波器的不确定系统故障诊断

汤文涛, 王振华, 王烨, 沈毅 - ACTA AUTOMATICA SINICA, 2018 - aas.net.cn
摘要针对一类具有参数不确定性和未知扰动的线性系统, 提出了一种新的执行器故障诊断方法.
将指定执行器故障视为未知输入, 利用全对称多胞形近似状态边界, 本文设计了一种未知输入全 …

Set-theoretic methods in robust detection and isolation of sensor faults

F Xu, V Puig, C Ocampo-Martinez, S Olaru… - International Journal of …, 2015 - Taylor & Francis
This paper proposes a sensorfault detection and isolation (FDI) approach based on interval
observers and invariant sets. In fault detection (FD), both interval observer-based and …