Results 31 to 40 of about 2,923,375 (341)
Sensor Fault Diagnosis and Fault Tolerant Control for Automated Guided Forklift
IEEE Access, 2021 For the problem of multiple sensor faults in the automated guided forklift (AGF), an equivalent model with system faults and disturbances is established. To detect multiple sensor faults in the AGF, a sliding mode observer (SMO) is proposed.
Hanguo Kang +6 more
doaj +1 more source
Current and Speed Sensor Fault Diagnosis Method Applied to Induction Motor Drive
IEEE Access, 2021 The paper proposes a novel approach based on a current space vector derived from measured stator currents to diagnose speed and current sensor failures in the field-oriented control of induction motor drives.
C. Tran +4 more
semanticscholar +1 more source
Research on Convolutional Neural Network Model for Sonar IMAGE Segmentation
MATEC Web of Conferences, 2018 The speckle noise of sonar images affects the human interpretation and automatic recognition of images seriously. It is important and difficult to realize the precision segmentation of sonar image with speckle noise in the field of image processing. Full
Jiao Shengxi, Zhao Chunyu, Xin Ye
doaj +1 more source
Sensors, 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
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Dynamic Calibration Method of Sensor Drift Fault in HVAC System Based on Bayesian Inference
Sensors, 2022 Sensor drift fault calibration is essential to maintain the operation of heating, ventilation and air conditioning systems (HVAC) in buildings. Bayesian inference (BI) is becoming more and more popular as a commonly used sensor fault calibration method ...
Guannan Li +3 more
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Aerospace, 2022 Active disturbance rejection control (ADRC) is a model-independent method widely used in passive fault-tolerant control of the quadrotor unmanned aerial vehicle.
Shao Ai, Jia Song, Guobiao Cai, K. Zhao
semanticscholar +1 more source
Applied Sciences, 2020 For the problem of multiple sensor fault detection and reconstruction in the forklift fault-tolerant control system, a sliding mode observer (SMO) with adaptive regulation law is proposed. Based on the three-degree-of-freedom (3-DOF) model of forklift, a
Zhilu Zhang, Benxian Xiao
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Fault estimation and fault-tolerant control for discrete-time dynamic systems [PDF]
, 2015 In this paper, a novel discrete-time estimator is proposed, which is employed for simultaneous estimation of system states, and actuator/sensor faults in a discrete-time dynamic system.
Gao, Zhiwei
core +1 more source
In-the-Loop Simulation Experiment of Aero-Engine Fault-Tolerant Control Technology
Applied Sciences, 2022 Aeroengines are prone to failure due to their large range of working envelopes and bad working environments. Fault diagnosis and a fault-tolerant control strategy for aeroengines and control systems are important means to improve the reliability of ...
Mengtian Zhang +3 more
doaj +1 more source
A semidefinite relaxation procedure for fault-tolerant observer design [PDF]
, 2015 A fault-tolerant observer design methodology is proposed. The aim is to guarantee a minimum level of closed-loop performance under all possible sensor fault combinations while optimizing performance under the nominal, fault-free condition.
Chaudhuri, B +3 more
core +1 more source