نتایج جستجو برای: machine characteristic

تعداد نتایج: 433961  

Journal: :Transactions of the Japan Society of Mechanical Engineers 1978

Nowadays, estimating the ampere consumption and achieve to the optimum condition from the perspective of energy consumption is one of the most important steps to reduce the production costs. In this research it is tried to develop an accurate model for estimating the ampere consumption by using the artificial neural networks (ANN).In the first step, experimental studies were carried out on 7 ca...

Journal: :Multimedia Tools and Applications 2021

Abstract The mutual exclusion protocol invented by Mellor-Crummey and Scott (called MCS protocol) is used to exemplify that state picture designs based on which the machine graphical animation (SMGA) tool produces animations should be better visualized. Variants of have been in Java virtual machines therefore 2006 Edsger W. Dijkstra Prize Distributed Computing went their paper protocol. new des...

Journal: :the modares journal of electrical engineering 2006
abbas ghaemi bafghi babak sadeghiyan reza safabakhsh

in this paper, we show how to obtain suitable differential charactristics for block ciphers with neural networks. we represent the operations of a block cipher, regarding their differential characteristics, through a directed weighted graph. in this way, the problem of finding the best differential characteristic for a block cipher reduces to the problem of finding the minimum-weight multi-path...

Journal: :DEStech Transactions on Engineering and Technology Research 2017

Journal: :Management Science 2022

This paper documents the bimodality of momentum stocks: both high- and low-momentum stocks have nontrivial probabilities for high low returns. The makes strategy fundamentally risky can cause a large loss. To alleviate improve return predictability, this develops novel cross-sectional prediction model via machine learning. By reclassifying based on their predicted financial performance, signifi...

2015
Krystallenia Drosou Stelios Georgiou Christos Koukouvinos Stella Stylianou

support vector machines (SVMs) constitute one of the most popular and powerful classification methods. However, SVMs can be limited in their performance on highly imbalanced datasets. A classifier which has been trained on an imbalanced dataset can produce a biased model towards the majority class and result in high misclassification rate for minority class. For many applications, especially fo...

Journal: :Journal of Korean Institute of Intelligent Systems 2014

Journal: :CoRR 2017
Riccardo Satta Stefano Cavallari Eraldo Pomponi Daniele Grasselli Davide Picheo Carlo Annis

The goal of predictive maintenance is to forecast the occurrence of faults of an appliance, in order to proactively take the necessary actions to ensure its availability. In many application scenarios, predictive maintenance is applied to a set of homogeneous appliances. In this paper, we firstly review taxonomies and main methodologies currently used for condition-based maintenance; secondly, ...

2006
William Elazmeh Nathalie Japkowicz Stan Matwin

Evaluating classifier performance with ROC curves is popular in the machine learning community. To date, the only method to assess confidence of ROC curves is to construct ROC bands. In the case of severe class imbalance with few instances of the minority class, ROC bands become unreliable. We propose a generic framework for classifier evaluation to identify a segment of an ROC curve in which m...

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