Results 1 to 10 of about 1,968,653 (288)

A Novel Adaptive Sensor Fault Estimation Algorithm in Robust Fault Diagnosis [PDF]

open access: yesSensors, 2022
The paper deals with a robust sensor fault estimation by proposing a novel algorithm capable of reconstructing faults occurring in the system. The provided approach relies on calculating the fault estimation adaptively in every discrete time instance ...
Marcin Pazera, Marcin Witczak
doaj   +2 more sources

Distributed Fault Estimation and Fault-Tolerant Control of Interconnected Systems [PDF]

open access: yesIEEE Transactions on Cybernetics, 2021
This article studies the distributed fault estimation (DFE) and fault-tolerant control for continuous-time interconnected systems. Using associated information among subsystems to design the DFE observer can improve the accuracy of fault estimation of the interconnected systems.
Mou Chen, Bin Jiang, Xing-Gang Yan
exaly   +3 more sources

H∞ fault estimation of robot joint in finite frequency domain [PDF]

open access: yesE3S Web of Conferences, 2021
The fault estimation of robot joint is of great significance to improve the reliability and stability of robot joint. Based on the design of fault diagnosis observer and the finite frequency theory, a method of H infinite fault estimation with frequency ...
Pan Yuedou, Xiong Zhanbo
doaj   +1 more source

Sampled-Data Fuzzy Fault Estimation Observer Design for Nonlinear Systems

open access: yesIEEE Access, 2023
In this study, a sampled-data fuzzy fault estimation observer design problem is considered for nonlinear systems. The main idea of this study is to solve the sampled-data output problem by using two approaches of approximate discretization and exact ...
Geun Bum Koo
doaj   +1 more source

Scaled unscented transformation method and adaptive Monte Carlo method used for effects of fault parameters estimation on green function matrix in slip distribution inversion

open access: yesGeodesy and Geodynamics, 2020
The elements of Green function matrix are the nonlinear functions of fault parameters estimation, the randomness of fault parameters estimation causes that the slip distribution inversion turns to be the parameter estimation problem of total least ...
Leyang Wang   +3 more
doaj   +1 more source

Integrated Design of Fault Estimation and Fault-Tolerant Control for Closed-Loop Systems With Uncertain Short Delay

open access: yesIEEE Access, 2021
In this paper, an integrated design scheme of fault estimation (FE) and fault-tolerant control (FTC) is presented for a closed-loop system with uncertain short delay.
Juan Chen   +4 more
doaj   +1 more source

A new fault tolerant control scheme for non‐linear systems by T‐S fuzzy model approach

open access: yesIET Control Theory & Applications, 2021
This paper is concerned with the problem of fault tolerant control for non‐linear systems with sensor faults based on the T‐S fuzzy model approach. First, a fault estimation (FE) observer with L∞ technique is designed to estimate the fault.
Yue Wu   +3 more
doaj   +1 more source

Model predictive estimation of evolving faults [PDF]

open access: yes2006 American Control Conference, 2006
In this work we present an optimization based statistical estimation approach for diagnostics in large scale systems. The fault estimation scheme relies on prediction residuals generated by detailed prediction models of the system under consideration. The system dynamics are generally nonlinear.
Sikandar Samar, Dimitry Gorinevsky
openaire   +2 more sources

A Method to Simultaneously Detect the Current Sensor Fault and Estimate the State of Energy for Batteries in Electric Vehicles

open access: yesSensors, 2016
Recently, State of energy (SOE) has become one of the most fundamental parameters for battery management systems in electric vehicles. However, current information is critical in SOE estimation and current sensor is usually utilized to obtain the latest ...
Jun Xu   +3 more
doaj   +1 more source

Adaptive Prescribed Performance Fault Estimation and Accommodation for a Class of Stochastic Nonlinear Systems

open access: yesIEEE Access, 2019
This paper studies the problem of adaptive fault estimation and accommodation for a class of stochastic nonlinear systems with unknown time-varying faults.
Qing Li   +4 more
doaj   +1 more source

Home - About - Disclaimer - Privacy