WebNov 10, 2020 · This paper presents developments within Fault Detection and Diagnosis (FDD) methods and reviews of research work in this area. The review presents both traditional model-based and relatively new signal processing-based FDD approaches, with a special consideration paid to artificial intelligence-based FDD methods.
Get a quoteWebJun 16, 2022 · Wang, X. Wu, C. Zhang, and H. Shi, " Hydraulic system fault diagnosis method based on a multi-feature fusion support vector machine," J. Eng. 2019, 215 However, the equipment parameters used in the model, such as pipe damping coefficient and piston movement damping coefficient, are often not accurate in a different …
Get a quoteWebFault detection and diagnosis generally involves some "tuning". A system might be tuned to be very sensitive to detecting or recognizing particular problems. But then it is also likely to declare problems when none exist. There is a tradeoff in sensitivity vs. false alarms.
Get a quoteWebSensors have been used in various agricultural production scenarios due to significant advances in the Agricultural Internet of Things (Ag-IoT), leading to smart
Get a quoteWebFault Tree Analysis (FTA) is a well-established and well-understood technique, widely used for fault diagnosis of a wide range of systems. In this paper, a fault diagnosis system for electric vehicle charging devices is designed and developed based on FTA, in order to accurately locate and quickly solve the fault problems of the charging devices. Firstly, a …
Get a quoteWebAbstract: In the light of the structure and function properties of the GJW111 excavator, We propose the overall design and the framework system of fault diagnosis based on Multi-Agent System (MAS), express the process of fault diagnosis and introduce the components of the system. The system supports plug and play, which can improve its …
Get a quoteWebFor complex electromechanical and hydraulic configuration, there are more and more types and forms of faults in Hydraulic Excavator. It is difficulty to exact diagnosis various faults using a single discrimination method, because its mechanical, electrical, hydraulic and control subsystems have strong interact and coupling.
Get a quoteWebMar 24, 2022 · An excavator diagnostic tool is used for an on-line fault diagnosis system and method for construction machinery, in particular to an excavator on-line fault diagnosis system and method, which belongs to the technical field of excavator fault diagnosis. Based on the above reasons, a fast, convenient and portable online fault …
Get a quoteWebMar 30, 2021 · Elevator Fault Location Based on Fault Tree Analysis 2.1. Construction of Elevator Vibration Fault Tree Elevator failure phenomena are mainly divided into elevator vibration failure, car noise failure, machine room noise …
Get a quoteWebJun 17, 2022 · Machine Learning-Based Fault Diagnosis for Industrial Engineering Systems discusses how to formulate and solve precision compensation and fault diagnosis problems. The book includes experimental results on hardware equipment used as practical examples throughout the book.
Get a quoteWebThe fault detection and diagnosis system, which uses dedicated interface adapter unit and PXI interface modules to perform signal excitation and parameter testing, is introduced in this paper. The fault detection and diagnosis system, which uses dedicated interface adapter unit and PXI interface modules to perform signal excitation and parameter …
Get a quoteWebDec 1, 2007 · Fault diagnosis of excavator hydraulic system based on partial least squares regression December 2007 Zhongnan Daxue Xuebao (Ziran Kexue Ban)/Journal of Central South University (Science and
Get a quoteWebOct 29, 2020 · With the advancement of technology, the concept of unmanned factories has been proposed; an automatic diagnosis system for the health management of gearboxes becomes necessary. In this paper, a compound fault diagnosis system for the gearbox based on convolutional neural network (CNN) is developed.
Get a quoteWebMar 30, 2021 · Elevator Fault Location Based on Fault Tree Analysis 2.1. Construction of Elevator Vibration Fault Tree Elevator failure phenomena are mainly divided into elevator vibration failure, car noise failure, machine room noise …
Get a quoteWebApr 1, 2011 · A model of combining fault tree with expert system was analyzed. It focused on the hydraulic excavator PC220-7 for Komatsu according to the hydraulic system breakdown of law and order was particularity. A method combined the fault tree analysis with an expert system based rules was adopted. It was expressed systematically expert …
Get a quoteWebMar 24, 2022 · An excavator diagnostic tool is used for an on-line fault diagnosis system and method for construction machinery, in particular to an excavator on-line fault diagnosis system and method, which belongs to the technical field of excavator fault diagnosis. Based on the above reasons, a fast, convenient and portable online fault …
Get a quoteWebMay 7, 2019 · A spreader is an important part of a crane used on wharfs for loading and unloading operations. Because of the spreader's complex structure, poor operation environment, frequent collision accidents, etc., breakdowns and faults often occur, and the causes for the faults are complex. Based on the historical fault data of the spreaders …
Get a quoteWebFeb 4, 2022 · Intelligent diagnosis combines artificial intelligence algorithm, computer technology and expert experience and integrates with the engine to form an on-board fault diagnosis system, which further improves the real-time performance and safety of fault diagnosis. It is the most widely used engine fault diagnosis method at present . 2. …
Get a quoteWebThe invention provides an excavator remote fault diagnosis method based on LabVIEW. The method includes the steps that an excavator virtual instrument panel drawn by the LabVIEW is embedded into a Web server, and an excavator virtual instrument panel application program based on LabVIEW is generated; excavator data are collected and …
Get a quoteWebSuch a unified approach comprises of the following items: a) Proposed Model-based Fault Diagnostic System theoretical foundation b) applicable Control Engineering Techniques required in Fault Diagnostic c) System Identification & Verification d) the Induction Motor-based Validation system.
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