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Complexity

SCOPUS (1995-2023)SCIE-ISI

  1076-2787

 

 

Cơ quản chủ quản:  Hindawi Limited , Wiley-Hindawi

Lĩnh vực:
Computer Science (miscellaneous)Multidisciplinary

Các bài báo tiêu biểu

Optimal preventive maintenance policy for electric power distribution systems based on the fuzzy AHP methods
Tập 21 Số 6 - Trang 70-88 - 2016
Mansour Hosseini Firouz, Noradin Ghadimi
In power distribution systems, with their great vastness and various outage causes, one of the most important problems of power distribution companies is to select a suitable maintenance strategy of system elements and method of financial planning for the maintenance of system elements with the two objectives of decrease in outage costs and improvement of system reliability. In this articl...... hiện toàn bộ
The virtues and vices of equilibrium and the future of financial economics
Tập 14 Số 3 - Trang 11-38 - 2009
J. Doyne Farmer, John Geanakoplos
AbstractThe use of equilibrium models in economics springs from the desire for parsimonious models of economic phenomena that take human reasoning into account. This approach has been the cornerstone of modern economic theory. We explain why this is so, extolling the virtues of equilibrium theory; then we present a critique and describe why this approach is inheren...... hiện toàn bộ
A new hybrid algorithm based on optimal fuzzy controller in multimachine power system
Tập 21 Số 1 - Trang 78-93 - 2015
Noradin Ghadimi
In this article, a new methodology based on fuzzy proportional‐integral‐derivative (PID) controller is proposed to damp low frequency oscillation in multimachine power system where the parameters of proposed controller are optimized offline automatically by hybrid genetic algorithm (GA) and particle swarm optimization (PSO) techniques. This newly proposed method is more efficient because i...... hiện toàn bộ
A new method for probabilistic assessments in power systems, combining monte carlo and stochastic‐algebraic methods
Tập 21 Số 2 - Trang 100-110 - 2015
Alireza Noruzi, Tohid Banki, Oveis Abedinia, Noradin Ghadimi
This article discusses a new methodology, which combines two efficient methods known as Monte Carlo (MC) and Stochastic‐algebraic (SA) methods for stochastic analyses and probabilistic assessments in electric power systems. The main idea is to use the advantages of each former method to cover the blind spots of the other. This new method is more efficient and more accurate than SA method a...... hiện toàn bộ
Controlling a chaotic resonator by means of dynamic track control
Tập 21 Số 1 - Trang 370-378 - 2015
Chunni Wang, Runtong Chu, Jun Ma
Josephson junction oscillators can generate chaotic signals with a wide frequency spectrum. An improved scheme of Lyapunov functions is proposed to control chaotic resonators of this type and forces them to converge to an arbitrary selected target signal. A changeable gain coefficient is introduced into the Lyapunov function, and the controllers are designed analytically. The controllers o...... hiện toàn bộ
Information processing, memories, and synchronization in chaotic neural network with the time delay
Tập 11 Số 2 - Trang 39-52 - 2005
Vladimir E. Bondarenko
AbstractInformation processing and two types of memory in an analog neural network model with time delay that produces chaos similar to the human and animal EEGs are considered. There are two levels of information processing in this neural network: the level of individual neurons and the level of the neural network. Similar to the state of brain, the state of chaot...... hiện toàn bộ
Global chaos synchronization of new chaotic system using linear active control
Tập 21 Số 1 - Trang 379-386 - 2015
Israr Ahmad, Azizan Saaban, Adyda Ibrahim, Mohammad Shahzad
Chaos synchronization is a procedure where one chaotic oscillator is forced to adjust the properties of another chaotic oscillator for all future states. This research paper studies and investigates the global chaos synchronization problem of two identical chaotic systems and two non‐identical chaotic systems using the linear active control technique. Based on the Lyapunov stability theory...... hiện toàn bộ
Multivariate CNN‐LSTM Model for Multiple Parallel Financial Time‐Series Prediction
Tập 2021 Số 1 - 2021
Harya Widiputra, Adele Mailangkay, Elliana Gautama
At the macroeconomic level, the movement of the stock market index, which is determined by the moves of other stock market indices around the world or in that region, is one of the primary factors in assessing the global economic and financial situation, making it a critical topic to monitor over time. As a result, the potential to reliably forecast the future value of stock market indices...... hiện toàn bộ
Compound Autoregressive Network for Prediction of Multivariate Time Series
Tập 2019 Số 1 - 2019
Yuting Bai, Xue‐Bo Jin, Xiaoyi Wang, Tingli Su, Jianlei Kong, Yutian Lu
The prediction information has effects on the emergency prevention and advanced control in various complex systems. There are obvious nonlinear, nonstationary, and complicated characteristics in the time series. Moreover, multiple variables in the time‐series impact on each other to make the prediction more difficult. Then, a solution of time‐series prediction for the multivariate was expl...... hiện toàn bộ
Learning Force‐Relevant Skills from Human Demonstration
Tập 2019 Số 1 - 2019
Xiao Gao, Jie Ling, Xiaohui Xiao, Miao Li
Many human manipulation skills are force relevant, such as opening a bottle cap and assembling furniture. However, it is still a difficult task to endow a robot with these skills, which largely is due to the complexity of the representation and planning of these skills. This paper presents a learning‐based approach of transferring force‐relevant skills from human demonstration to a robot. ...... hiện toàn bộ