نتایج جستجو برای: fault incidence
تعداد نتایج: 306725 فیلتر نتایج به سال:
Background and Objectives: Careers related to body products are targeted toward saving patients from certain death. Such careers serve a necessary and important role. In case of the incidence of any human fault and organizational failure within the irreparable course of body product manufacturing, the negligent person is liable to pay compensation according to the principle of Tasbeeb (causatio...
با توجه به این که در سیستم های صنعتی وقوع fault ممکن است منجر به خرابی کالا، خرابی دستگاه، افت عملکرد و یا تلفات جانی شود، شناسایی و تشخیص به موقع fault و همچنین جبران سازی آن از اهمیت کاربردی بسیار بالایی برخوردار می باشد. عمده ی سیستم های صنعتی را سیستم های غیر خطی و هایبرید با ورودی ها یا حالت های ناهمگون تشکیل می دهند. بنابراین شناسایی fault در این سیستم ها و تلاش برای جبران اثرات آن به کمک...
In this paper, a new method is proposed for fault location estimation in overhead-cable multi-section transmission lines. This method takes advantage of synchronized samples gathered from both terminals of the line in the time domain. Because of this, it does not need a filter to extract fundamental frequency of the voltages and currents. Thus, it shows a higher accuracy, since it is not influe...
In this paper, we propose a new gear fault recognition method by using morphological undecimated wavelet decomposition (MUWD), sample entropy and grey incidence. MUWD possesses both the characteristic of morphological filter in morphology and multi-resolution in wavelet transform. Then we develop multi-scale MUWD based on the characteristic of impulse feature extraction in difference morphologi...
This paper presents a fault classification method for transmission lines based on voltage phasors using classification and regression trees (CART). The proposed method is intended to aid system operators in understanding the outputs of a PMU only state estimator. Faults are classified into four categories when the estimator is positive sequence and into ten categories when the estimator is thre...
|This paper is an attempt to understand the processes by which software ages. We deene code to be aged or decayed if its structure makes it unnecessarily diicult to understand or change, and we measure the extent of decay by counting the number of faults in code in a period of time. Using change management data from a very large, long-lived software system, we explore the extent to which measur...
|This paper is an attempt to understand the processes by which software ages. We de ne code to be aged or decayed if its structure makes it unnecessarily di cult to understand or change, and we measure the extent of decay by counting the number of faults in code in a period of time. Using change management data from a very large, long-lived software system, we explore the extent to which measur...
BACKGROUND Although there have been numerous strategies to prevent motor vehicle collisions and their subsequent injuries, few have been effective in preventing motor vehicle injury claims. In this paper, we examine the role of legislation and compensation system in altering injury claim incidence. METHODS The population base for our natural experiment was all Saskatchewan, Manitoba, British ...
Power transformer is one of the most important equipments in the electric system. Dissolved Gases Analysis is an important method in the diagnosis of internal fault of transformers. Because the signs and types of fault have complicated nonlinear relations, the traditional methods cannot exactly meet the requirements of engineer application. This paper proposes synthesis of relational grey incid...
This paper will investigate the effect of digital filtering on the operating time of a generic digital distance relay. Two popular filtering approaches will be considered: the Cosine Filter and the Fourier Filter. The effects of several variables, such as sampling rate, fault location, fault incidence angle, and non-fundamental frequencies, will be discussed. This paper will attempt to discuss ...
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