نتایج جستجو برای: crow search algorithm

تعداد نتایج: 981961  

Journal: :Intelligent Automation and Soft Computing 2023

The paradigm shift towards the Internet of Things (IoT) phenomenon and rise edge-computing models provide massive potential for several upcoming IoT applications like smart grid, energy, home, health transportation services. However, it also provides a sequence novel cyber-security issues. Although networks advantages, heterogeneous nature network wide connectivity devices make easy cyber-attac...

2011
Ivo M Foppa Raphaelle H Beard Ian H Mendenhall

BACKGROUND The emergence of West Nile virus (WNV) in North America has been associated with high mortality in the native avifauna and has raised concerns about the long-term impact of WNV on bird populations. Here, we present results from a longitudinal analysis of annual counts of six bird species, using North American Breeding Bird Survey data from ten states (1994 to 2010). We fit overdisper...

Gravitational search algorithm (GSA) is one of the newest swarm based optimization algorithms, which has been inspired by the Newtonian laws of gravity and motion. GSA has empirically shown to be an efficient and robust stochastic search algorithm. Since introducing GSA a convergence analysis of this algorithm has not yet been developed. This paper introduces the first attempt to a formal conve...

Gravitational search algorithm (GSA) is one of the newest swarm based optimization algorithms, which has been inspired by the Newtonian laws of gravity and motion. GSA has empirically shown to be an efficient and robust stochastic search algorithm. Since introducing GSA a convergence analysis of this algorithm has not yet been developed. This paper introduces the first attempt to a formal conve...

Journal: :Sustainability 2022

In this paper, the dynamic combined economic environmental dispatch problems (DCEED) with variable real transmission losses are tackled using four metaheuristics techniques. Due to consideration of valve-point loading effects (VPE), DCEED have become a non-smooth and more complex optimization problem. The seagull algorithm (SOA), crow search (CSA), tunicate swarm (TSA), firefly (FFA), as both n...

Behrooz Masoomi Seyed Hossein Mirshojaei,

Today, with rapid growth of the World Wide Web and creation of Internet sites and online text resources, text summarization issue is highly attended by various researchers. Extractive-based text summarization is an important summarization method which is included of selecting the top representative sentences from the input document. When, we are facing into large data volume documents, the extr...

Journal: :International Journal of Database Theory and Application 2015

Journal: :Journal of Marine Science and Engineering 2021

Aiming at the problems of difficult attitude stabilization, low landing accuracy, large external disturbance and slow dynamic response during quadrotor on wave glider, an improved series active rejection control method for is proposed. The controller with inner-loop angular velocity outer-loop position based (ADRC) designed by analyzing model quadrotor. A tracking differentiator (TD) adopted to...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه شهید باهنر کرمان - دانشکده ریاضی و کامپیوتر 1392

به کمک روش های عددی، برآورد نقطه تغییر در میانگین فرآیند نرمال با بیشینه سازی تابع درستنمایی و کمینه سازی تابع اطلاع شوارتز بدست می آید. در این پژوهش روش عددی نوینی برای این برآورد به عنوان روش بهینه سازی الگوریتم جست وجوی گرانشی مورد بررسی قرار می گیرد. نتایج شبیه سازی حاکی از آن است که روش عددی مورد بررسی در برآورد نقطه تغییر دارای عملکرد نسبتاً مناسبی نسبت به روش های پیشین می باشد.

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