نتایج جستجو برای: behabad fault

تعداد نتایج: 63989  

ژورنال: کنترل 2020

in this paper a new algorithm has been proposed to predict unplanned islanding. To predict unplanned islanding, rotor angle and speed time series have been used. Times of fault occurrence and clearance are estimated using monitoring system response based on the variation of phasor measure data. The estimated times of fault occurrence and clearance are used to determine suitable calculation wind...

2003
Tahar Bouthiba

This paper deals with the application of artificial neural networks (ANNs) to the fault detection and location in extra high voltage (EHV) transmission lines for high speed protection using one terminal line. The neural fault detector and locators have been trained with different sets of data available from a selected power network model and simulating different fault scenarios (fault types, fa...

  One of the important issues which are discussed by the law today is the civil liability of Physicians, something which was silence in the civil code and civil liability code of n1339 (1960), however the Islamic penal code has predicted some regulations for it. The civil liability of Physicians in the comparative law is principally based on the theory of fault. That is, a Physician is found to...

Hasan Aghbarati M. Askari,

Near-fault ground motions have caused very much damage in the vicinity of seismic sources during recent earthquakes. It is well known that under specific circumstances, intensive ground shakings near fault ruptures may be characterized by short-duration impulsive motions. This pulse-type motion is generally particular to the forward direction, where the fault rupture propagates towards the site...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه صنعتی شاهرود - دانشکده علوم پایه 1392

منطق? دشت بو، در شمال باختری شهرستان دامغان، بخشی از نیم? جنوبی البرز خاوری است. مطالعات چینه نگاری در این منطقه، وجود واحدهای سنگی مزوزوئیک و سنوزوئیک را با راستای کلی شمال‎خاور – جنوب باختر تأیید می نماید. چین خوردگی واحدهای سنگی را در بلوک های محدود به گسل ها می توان مشاهده نمود. چین های مطالعه شده، طبق رده بندی فلوتی بر مبنای زاوی? بین دو یال، به طور عمده در رد? باز (open) و تعداد محدودی از...

Journal: :JSW 2013
Nan Zhang Gang Cui Hongwei Liu

In this paper, we investigate software fault detection and fault correction processes based on infinite server queuing model which incorporate testing effort functions. Some researches proposed in the literature to study fault detection and fault correction processes. However, most of them do not consider the amount of resources consumed during fault detection and fault correction processes. Th...

Journal: :Geological Magazine 1966

Journal: :فیزیک زمین و فضا 0
مریم هدهدی مؤسسه ژئوفیزیک دانشگاه تهران- دانشجوی دکتری نصرالله کمالیان مؤسسه ژئوفیزیک دانشگاه تهران- استادیار

in this research, a new mathematical modeling on strength changes due to reservoir elastic stresses across the preexisting fault plane is introduced. the method has been applied to the dalpari fault, which is one of the potential seismic sources in the vicinity of the karkheh reservoir. in this method the distribution of total stress across the fault cannot be determined because the initial str...

Journal: :journal of computer and robotics 0
leila shahmohamadi department of electrical engineering, islamic azad university, south tehran branch tehran, iran mahdi aliyarishoorehdeli faculty of electrical engineering, k. n. toosi university of technology tehran, iran sharareh talaie department of electrical engineering, islamic azad university, south tehran branch tehran, iran

in this study, detection and identification of common faults in industrial gas turbines is investigated. we propose a model-based robust fault detection(fd) method based on multiple models. for residual generation a bank of local linear neuro-fuzzy (llnf) models is used. moreover, in fault detection step, a passive approach based on adaptive threshold is employed. to achieve this purpose, the a...

2010
Amit Prakash Amit Prakash Singh Pravin Chandra Chandra Sekhar Rai

Fault tolerance property of artificial neural networks has been investigated with reference to the hardware model of artificial neural networks. Weight fault is an important link, which causes breakup between two nodes. In this paper weight fault has been explained. Experiments have been performed for Weight-stuck-0 fault. Effect of weight-stuck-0 fault on trained network has been analyzed in t...

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