نتایج جستجو برای: robust fault detection

تعداد نتایج: 802780  

Journal: :journal of ai and data mining 2015
a. ghaffari s. nobahary

wireless sensor networks (wsns) consist of a large number of sensor nodes which are capable of sensing different environmental phenomena and sending the collected data to the base station or sink. since sensor nodes are made of cheap components and are deployed in remote and uncontrolled environments, they are prone to failure; thus, maintaining a network with its proper functions even when und...

2017
Fatma Kahri Hassen Mestiri Belgacem Bouallegue Mohsen Machhout

The KECCAK cryptographic algorithms widely used in embedded circuits to ensure a high level of security to any systems which require hashing as the integrity checking and random number generation. One of the most efficient cryptanalysis techniques against KECCAK implementation is the fault injection attacks. Until now, only a few fault detection schemes for KECCAK have been presented. In this p...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه صنعت آب و برق (شهید عباسپور) - دانشکده مهندسی برق و کامپیوتر 1392

abstract according to increase in electricity consumption in one hand and power systemsreliability importance in another , fault location detection techniqueshave beenrecentlytaken to consideration. an algorithm based on collected data from both transmission line endsproposed in this thesis. in order to reducecapacitance effects of transmission line, distributed parametersof transmission line...

2013
Marcel Luzar Marcin Witczak Christophe Aubrun

The paper deals with the problem of a robust fault diagnosis for Linear Parameter-Varying (LPV) systems with Recurrent NeuralNetwork (RNN). The preliminary part of the paper describes the derivation of a discrete-time polytopic LPV model with RNN. Subsequently, a robust fault detection, isolation and identification scheme is developed, which is based on the observer and H∞ framework for a class...

2013
Marcel Luzar Marcin Witczak Piotr Witczak

The paper deals with the problem of a robust actuator fault diagnosis for Linear Parameter-Varying (LPV) systems with Recurrent Neural-Network (RNN). The preliminary part of the paper describes the derivation of a discrete-time polytopic LPV model with RNN. Subsequently, a robust fault detection, isolation and identification scheme is developed, which is based on the observer and H∞ framework f...

2001
Derek M. Surka

The ObjectAgent system is being developed to create a robust software architecture for autonomous control of complex systems. Agents are used to implement all of the software functionality and communicate through simplified natural language messages. These agents have a set of basic survival skills that monitor for internal software faults, providing low-level fault detection and recovery. High...

2005
David Törnqvist Fredrik Gustafsson Inger Klein

The Generalized Likelihood Ratio (GLR) test for fault detection as derived by Willsky and Jones is a recursive method to detect additive changes in linear systems in a Kalman filter framework. Here, we evaluate the GLR test on a sliding window and compare it to stochastic parity space approaches. Robust fault detection defined as being insensitive to faults in the signal space is also studied i...

Journal: :amirkabir international journal of modeling, identification, simulation & control 2015
mohammad amin tajeddini behrouz safarinejadian mohsen rakhshan

steering assist system controls the force transfer behavior of the steering system and improves the steering probability of the vehicle. moreover, it is an interface between the diver and vehicle. fault detection in electrical assisted steering systems is a challenging problem due to frequently use of these systems. this paper addresses the fault detection and reconstruction in automotive elect...

2004
David Törnqvist Fredrik Gustafsson Inger Klein

The Generalized Likelihood Ratio (GLR) test for fault detection as derived by Willsky and Jones is a recursive method to detect additive changes in linear systems in a Kalman filter framework. Here, we evaluate the GLR test on a sliding window and compare it to stochastic parity space approaches. Robust fault detection defined as being insensitive to faults in the signal space is also studied i...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه صنعتی شریف 1369

یک شبیه ساز مدارهای الکتریکی و دیجیتالی جهت تحقیق در رفتار مدار پس از طراحی و قبل از مرحله ساخت می باشد. این کار اصولا با مدل کردن یک سیستم، اعمال شرایط محیط به آن عنوان ورودیهای سیستم، و دریافت و مشاهده خروجیهای سیستم صورت می گیرد. دراین پژوهش روشهای آنالیز و شبیه سازی مدارهای دیجیتال مورد بررسی قرار گرفته و در رابطه با یک سیستم شبیه سازی مدارهای منطقی به نام vls که بر روی کامپیوتر ibm پیاده ش...

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