Complexity

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Entropy-Based Pattern Learning Based on Singular Spectrum Analysis Components for Assessment of Physiological Signals
Complexity - Tập 2020 - Trang 1-17 - 2020
Yun Lu, Mingjiang Wang, Wanqing Wu, Qiquan Zhang, Yufei Han, Tasleem Kausar, Shixiong Chen, Ming Liu, Bo Wang
Measures of predictability in physiological signals based on entropy metrics have been widely used in the application domain of medical assessment and clinical diagnosis. In this paper, we propose a new entropy-based pattern learning by a combination of singular spectrum analysis (SSA) and entropy measures for assessment of physiological signals. Physiological signals are first represented...... hiện toàn bộ
BRWSP: Predicting circRNA‐Disease Associations Based on Biased Random Walk to Search Paths on a Multiple Heterogeneous Network
Complexity - Tập 2019 Số 1 - 2019
Xiujuan Lei, Wenxiang Zhang
The circular RNAs (circRNAs) have significant effects on a variety of biological processes, the dysfunction of which is closely related to the emergence and development of diseases. Therefore, identification of circRNA‐disease associations will contribute to analysing the pathogenesis of diseases. Here, we present a computational model called BRWSP to predict circRNA‐disease associations, ...... hiện toàn bộ
Planning the Emergency Collision Avoidance Strategy Based on Personal Zones for Safe Human‐Machine Interaction in Smart Cyber‐Physical System
Complexity - Tập 2022 Số 1 - 2022
Thanh Phương Nguyễn, Hung T. Nguyen, Ha Quang Thinh Ngo
Human contact is a key issue in social interactions for autonomous systems since robots are increasingly appearing everywhere, which has led to a higher risk of conflict. Particularly in the real world, collisions between humans and machines may result in catastrophic accidents or damaged goods. In this paper, a novel stop strategy related to autonomous systems is proposed. This control me...... hiện toàn bộ
The virtues and vices of equilibrium and the future of financial economics
Complexity - 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
Global chaos synchronization of new chaotic system using linear active control
Complexity - 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
China’s New Environmental Protection Law and Green Innovation: Evidence from Prefecture‐Level Cities
Complexity - Tập 2021 Số 1 - 2021
Wen Chen, Ying Wu
This paper examines the impact of China’s new environmental protection law on green innovation. Using a large sample of Chinese prefecture‐level cities for the 2010–2016 period and the difference‐in‐differences (DID) methodology, we provide strong evidence that the new environmental protection law promotes green innovation. This finding is robust to a battery of sensitivity tests. The micr...... hiện toàn bộ
Lập kế hoạch chiến lược tránh va chạm khẩn cấp dựa trên vùng cá nhân cho tương tác an toàn giữa người và máy trong hệ thống vật lý ảo thông minh Dịch bởi AI
Complexity - - 2022
Nguyen, Thanh Phuong, Nguyen, Hung, Thinh Ngo, Ha Quang
Sự tiếp xúc giữa con người là một vấn đề chính trong các tương tác xã hội đối với các hệ thống tự động, bởi vì robot đang ngày càng xuất hiện ở khắp nơi, điều này dẫn đến nguy cơ xung đột cao hơn. Đặc biệt trong thế giới thực, các va chạm giữa con người và máy móc có thể dẫn đến các tai nạn thảm khốc hoặc hàng hóa bị hư hại. Bài báo này đề xuất một chiến lược dừng mới liên quan đến các hệ thống tự...... hiện toàn bộ
#tránh va chạm #tương tác người-máy #hệ thống vật lý ảo thông minh #điều khiển tự động #NASA
A new hybrid algorithm based on optimal fuzzy controller in multimachine power system
Complexity - 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
Optimal preventive maintenance policy for electric power distribution systems based on the fuzzy AHP methods
Complexity - 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
A new method for probabilistic assessments in power systems, combining monte carlo and stochastic‐algebraic methods
Complexity - 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
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