نتایج جستجو برای: forecasting manufacturing accidents fuzzy

تعداد نتایج: 238585  

Journal: :archives of trauma research 0
shahrokh yousefzadeh-chabok guilan road trauma research center, guilan university of medical sciences, rasht, ir iranسازمان اصلی تایید شده: دانشگاه علوم پزشکی گیلان (guilan university of medical sciences) fatemeh ranjbar-taklimie guilan road trauma research center, guilan university of medical sciences, rasht, ir iranسازمان اصلی تایید شده: دانشگاه علوم پزشکی گیلان (guilan university of medical sciences) reza malekpouri guilan road trauma research center, guilan university of medical sciences, rasht, ir iranسازمان اصلی تایید شده: دانشگاه علوم پزشکی گیلان (guilan university of medical sciences) alireza razzaghi guilan road trauma research center, guilan university of medical sciences, rasht, ir iran; guilan road trauma research center, guilan university of medical sciences, rasht, ir iran. tel: +98-1333338373, fax: +98-1333338373سازمان اصلی تایید شده: دانشگاه علوم پزشکی گیلان (guilan university of medical sciences)

conclusions there was a decreasing trend in the study and the future years. it seems that implementation of some interventions in the recent decade has had a positive effect on the decline of rta fatalities. nevertheless, there is still a need to pay more attention in order to prevent the occurrence and the mortalities related to traffic accidents. results the mean age of the victims was 37.22 ...

In recent years, many studies have been done on forecasting fuzzy time series. First-order fuzzy time series forecasting methods with first-order lagged variables and high-order fuzzy time series forecasting methods with consecutive lagged variables constitute the considerable part of these studies. However, these methods are not effective in forecasting fuzzy time series which contain seasonal...

Journal: :IJIIT 2010
Toly Chen

Yield forecasting is critical to a semiconductor manufacturing factory. To further enhance the effectiveness of semiconductor yield forecasting, a fuzzy-neural approach with collaboration mechanisms is proposed in this study. The proposed methodology is modified from Chen and Lin’s approach by incorporating two collaboration mechanisms: favoring mechanism and disfavoring mechanism. The former h...

Introduction: Organizations, manufacturing and non-manufacturing companies, and development units are always associated with incidents and the need for proper risk assessment. One of these is the process of constructing subwayways that, given its nature, require special attention and the occurrence of accidents is always there. But as risk definition is clear, risk is always associated with unc...

2007
Tahseen Ahmed Jilani Cemal Ardil

In the last 15 years, a number of methods have been proposed for forecasting based on fuzzy time series. Most of the fuzzy time series methods are presented for forecasting of enrollments at the University of Alabama. However, the forecasting accuracy rates of the existing methods are not good enough. In this paper, we compared our proposed new method of fuzzy time series forecasting with exist...

2010
Ashraf K. Abd-Elaal Hesham A. Hefny Ashraf H. Abd-Elwahab

Researchers introduce in this paper, an efficient fuzzy time series forecasting model based on fuzzy clustering to handle forecasting problems and improving forecasting accuracy. Each value (observation) is represented by a fuzzy set. The transition between consecutive values is taken into account in order to model the time series data. Proposed model employed eight main steps in time-invariant...

2018
T. Afanasieva A. Sapunkov A. Afanasiev

The developed software is a web application with open access and is aimed on forecasting of time series stored in database. We proposed approach of time series forecasting, combined ARIMA models with fuzzy techniques: three fuzzy time series models, fuzzy transformation (F-transform) and ACL-scale. Applications of a proposed web service have demonstrated efficiency in practical time series pred...

2016
Aanchal Tehlan

The dayahead short term load forecasting (STLF) is a necessary daily task for power dispatch. Short term load forecasting is essential for unit commitment, economic allocation of generation, maintenance schedules. This paper presents a solution methodology using fuzzy logic for short term load forecasting. Fuzzy logic approach is implemented on weather sensitive data and historical load data fo...

Journal: :Industrial health 2012
Young-sig Kang Sung-hwan Yang Tae-gu Kim Day-sung Kim

To minimize industrial accidents, it's critical to evaluate a firm's priorities for prevention factors and strategies since such evaluation provides decisive information for preventing industrial accidents and maintaining safety management. Therefore, this paper proposes the evaluation of priorities through statistical testing of prevention factors with a cause analysis in a cause and effect mo...

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