نتایج جستجو برای: set membership estimation

تعداد نتایج: 918335  

Journal: :MATEC web of conferences 2021

Taking the incomplete measurements and weighted try-once-discard (WTOD) protocol into account, this paper develops a novel resilient set-membership state estimation (RSMSE) method for time-varying nonlinear complex networks with time-invariant delay. A classic interval matrix technique is utilized to describe measurements. The Taylor series expansion applied dispose nonlinearities, where high-o...

The aim of this paper is robust identification of smart foam, as an electroacoustic transducer, considering unmodeled dynamics due to nonlinearities in behaviour at low frequencies and measurement noise at high frequencies as existent uncertainties. Set membership estimation combined with model error modelling technique is used where the approach is based on worst case scenario with unknown but...

2016
Alessandro Bruni Sebastian Mödersheim Flemming Nielson Hanne Riis Nielson

Communication protocols often rely on stateful mechanisms to ensure certain security properties. For example, counters and timestamps can be used to ensure authentication, or the security of communication can depend on whether a particular key is registered to a server or it has been revoked. ProVerif, like other state of the art tools for protocol analysis, achieves good performance by convert...

A. Kumar M. Pal P. Aggarwal, P. Sihag Y. Aggarwal

Punching shear capacity is a key factor for governing the collapsed form of slabs. This fragile failure that occurs at the slab-column connection is called punching shear failure and has been of concern for the engineers. The most common practice in evaluating the punching strength of the concrete slabs is to use the empirical expressions available in different building design codes. The estima...

2011
Gheorghe Grigoras

In operation and planning of the power systems, the analysis of the consumption trends depends on the evolution of economic activities and competition among several sources of energy, which affect forecasts. The loads estimation represents the basis of the system state estimation and influences various aspects of power system planning such as: transformer and conductor sizing, capacitor bank pl...

Journal: :فیزیک زمین و فضا 0
الهام بوستان استادیار، گروه زمین شناسی دانشگاه آزاد اسلامی واحد کرج، ایران نوربخش میرزائی دانشیار، مؤسسه ژئوفیزیک دانشگاه تهران، ایران مرتضی اسکندری قادی دانشیار، گروه علوم پایه مهندسی دانشکده فنی دانشگاه تهران ، ایران علی شفیعی استادیار، پژوهشگاه بین المللی زلزله شناسی و مهندسی زلزله، تهران، ایران

seismic hazard assessment like many other issues in seismology is a complicated problem, which is due to variety of parameters affecting the occurrence of earthquake. uncertainty, which is a result of vagueness and incompleteness of the data, should be considered in a rationale way. herein, fuzzy set theory is used to take into account the uncertainty existed in the seismic hazard analysis. the...

Journal: :IEEE Trans. Signal Processing 1998
Sridhar Gollamudi Samir Kapoor Shirish Nagaraj Yih-Fang Huang

This paper considers the problems of channel estimation and adaptive equalization in the novel framework of set-membership parameter estimation. Channel estimation using a class of set-membership identification algorithms known as optimal bounding ellipsoid (OBE) algorithms and their extension to track time-varying channels are described. Simulation results show that the OBE channel estimators ...

2001
Hong Sheng Qi W. B. Rowe Andrew Day

The contact behaviour between the grinding wheel and workpiece in abrasive machining processes has been investigated. This has revealed the ambiguity in deciding the size of the contact region from a measured contact signal. For improved representation of the contact conditions, fuzzy set theory was used. A membership function for the fuzzy representation of the extent of wheelworkpiece contact...

Journal: :Expert Syst. Appl. 2013
Alessio Ishizaka Nam Hoang Nguyen

Fuzzy AHP is a hybrid method that combines Fuzzy Set Theory and AHP. It has been developed to take into account uncertainty and imprecision in the evaluations. Fuzzy Set Theory requires the definition of a membership function. At present, there are no indications of how these membership functions can be constructed. In this paper, a way to calibrate the membership functions with comparisons giv...

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