نتایج جستجو برای: particle swarm optimization mass ratio effect

تعداد نتایج: 2839734  

2002
Gerhard Venter Jaroslaw Sobieszczanski-Sobieski

The purpose of this paper is to show how the search algorithm known as particle swarm optimization performs. Here, particle swarm optimization is applied to structural design problems, but the method has a much wider range of possible applications. The paper's new contributions are improvements to the particle swarm optimization algorithm and conclusions and recommendations as to the utility of...

Journal: :Artif. Intell. Research 2012
Li-Yeh Chuang Sheng-Wei Tsai Cheng-Hong Yang

The catfish particle swarm optimization (CatfishPSO) algorithm is a novel swarm intelligence optimization technique. This algorithm was inspired by the interactive behavior of sardines and catfish. The observed catfish effect is applied to improve the performance of particle swarm optimization (PSO). In this paper, we propose fuzzy CatfishPSO (F-CatfishPSO), which uses fuzzy to dynamically chan...

M. Shahrouziand , S. Sardarinasab,

For most practical purposes, true topology optimization of a braced frame should be synchronized with its sizing. An integrated layout optimization is formulated here to simultaneously account for both member sizing and bracings’ topology in such a problem. Code-specific seismic design spectrum is applied to unify the earthquake excitation. The problem is solved for minimal structural weight un...

Journal: :CoRR 2016
Yichuan Yang Tianxian Zhang Wei Yi Lingjiang Kong Xiaolong Li Bing Wang Xiaobo Yang

We consider an optimization deployment problem of multistatic radar system (MSRS). Through the antenna placing and the transmitted power allocating, we optimally deploy the MSRS for two goals: 1) the first one is to improve the coverage ratio of surveillance region; 2) the second goal is to get a even distribution of signal energy in surveillance region. In two typical working modes of MSRS, we...

Journal: :JNW 2014
Hongbo Zhao Lina Feng

In order to overcome the weakness that particle swarm optimization algorithm is likely to fall into local minimum when the complex optimization problems are solved, a new adaptive dynamic particle swarm optimization algorithm is proposed. The paper introduces the evaluation index of particle swarm premature convergence to judge the state of particle swarm in the population space, for the sake o...

2017
Huanqing Cui Minglei Shu Min Song Yinglong Wang

Localization is a key technology in wireless sensor networks. Faced with the challenges of the sensors' memory, computational constraints, and limited energy, particle swarm optimization has been widely applied in the localization of wireless sensor networks, demonstrating better performance than other optimization methods. In particle swarm optimization-based localization algorithms, the varia...

Journal: :مهندسی صنایع 0
عاطفه کهفی اردکانی کارشناسی ارشد مهندسی صنایع- دانشکده فنی و مهندسی- دانشگاه پیام¬نور تهران فرناز برزین پور استادیار دانشکده مهندسی صنایع- دانشگاه علم و صنعت ایران رضا توکلی¬مقدم استاد گروه مهندسی صنایع- دانشکده فنی و مهندسی- دانشگاه تهران

cellular manufacturing system is one of the most important applications of group technology. design of this system involves many structural and operational issues, in which the cell formation and production planning are two important steps. in this paper, a new mathematical model is proposed for integration of cell formation and production planning problems with the aim of minimizing the overal...

2014
Shibing Zhang Jinming Hu Huijian Wang

In order to optimize the spectrum resource allocation in the orthogonal frequency division multiplexing system and minimize the transmitted power, this paper proposed a modified basic particle swarm optimization algorithm to allocate the subcarriers and bits of the orthogonal frequency division multiplexing system. The algorithm uses the average individual extreme value instead of individual ex...

Journal: :journal of computational applied mechanics 0
seddigheh jalilirad department of mechatronics engineering, college of engineering, south tehran branch, islamic azad university, tehran, iran mohammad hassan cheraghali department of mechatronics engineering, college of engineering, south tehran branch, islamic azad university, tehran, iran hossein ahmadi danesh ashtiani department of mechatronics engineering, college of engineering, south tehran branch, islamic azad university, tehran, iran

the paper studies optimization of shell-and-tube heat exchangers using the particle swarm optimization technique. a total cost function is formulated based on initial and annual operating costs of the heat exchangers. six variables – shell inside diameter, tube diameter, baffle spacing, baffle cut, number of tube passes and tube layouts (triangular or square) – are considered as the design para...

2013
Talwinder Kaur Seema Pahwa

Cloud Computing is subscription-based service which is used to obtain storage space on network and computer resources. The cloud makes it possible to access information from anywhere at any time. Cloud provides both software and hardware necessary to run various applications according to the needs of the user. To fulfil those needs of user internet connection is required to access the cloud. In...

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