Ground reaction force sensor fault detection and recovery method based on virtual force sensor for walking biped robots [PDF]
This paper presents a novel method for ground force sensor faults detection and faulty signal reconstruction using Virtual force Sensor (VFS) for slow walking bipeds. The design structure of the VFS consists of two steps, the total ground reaction force (
Erbatur, Kemalettin, Hashlamon, Iyad
core +1 more source
Fault Estimation Method for Nonlinear Systems With Perturbations Based on Augmented Fault Observer
This paper proposes a robust fault estimation method for nonlinear systems with both actuator and sensor faults. Specifically, a singular system is constructed by combining the state vector of the system with the fault vector of the sensor, and an ...
Yanxiu Sun, Ying Du, Yuping Zhang
doaj +1 more source
This paper addresses the problem of robust fault-tolerant control design scheme for a class of Takagi-Sugeno fuzzy systems subject to interval time-varying delay and external disturbances.
Sun Chao, Wang Fuli, He Xiqin
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Model Prediction-Based Approach to Fault Tolerant Control with Applications [PDF]
— Fault-tolerant control (FTC) is an integral component in industrial processes as it enables the system to continue robust operation under some conditions.
Khalid, Dr. Haris M. +1 more
core +1 more source
Comparison of observer approaches for actuator fault estimation in semi-active suspension systems
International audienceIn this paper, the actuator fault estimation problem of semi-active suspension systems is considered. For instance, an oil leakage in the damper could cause a reduction of the damping force.
Dugard, Luc +2 more
core +3 more sources
Towards Distributed and Adaptive Detection and Localisation of Network Faults [PDF]
We present a statistical probing-approach to distributed fault-detection in networked systems, based on autonomous configuration of algorithm parameters. Statistical modelling is used for detection and localisation of network faults.
Gillblad, Daniel, Steinert, Rebecca
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Second-Order Fault Tolerant Extended Kalman Filter for Discrete Time Nonlinear Systems [PDF]
As missing sensor data may severely degrade the overall system performance and stability, reliable state estimation is of great importance in modern data-intensive control, computing, and power systems applications.
Wang, Xin, Yaz, Edwin E.
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ABSTRACT Introduction Pulmonary dysfunction and sleep abnormalities are common in children with sickle cell disease (SCD) and are associated with worse clinical outcomes. Whether spirometry abnormalities are associated with polysomnography (PSG) findings remains unclear.
Ammar Saadoon Alishlash +4 more
wiley +1 more source
Fault Severity Classification and Size Estimation for Ball Bearings Based on Vibration Mechanism
Severity identification and size estimation is a crucial part of the quantitative diagnosis for ball bearing faults. In this paper, novel fault severity classification rules and the size estimation model based on vibration mechanism for ball bearings are
Lingli Cui +3 more
doaj +1 more source
Multi-Fault Diagnosis of an Aero-Engine Control System Using Joint Sliding Mode Observers
An aero-engine is a complex aerodynamic thermal system, which can operate in extreme environments for long periods. It is crucial to diagnose any faults of the aero-engine control system accurately.
Linfeng Gou +3 more
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