Results 1 to 10 of about 532,217 (161)

Experimental Study and ANN Dual-Time Scale Perturbation Model of Electrokinetic Properties of Microbiota [PDF]

open access: yesFrontiers in Microbiology, 2017
The electrokinetic properties of the rumen microbiota are involved in cell surface adhesion and microbial metabolism. An in vitro study was carried out in batch culture to determine the effects of three levels of special surface area (SSA) of ...
Yong Liu   +16 more
doaj   +5 more sources

Time-temperature effects in dual scale crack growth of titanium alloys [PDF]

open access: yesTheoretical and Applied Fracture Mechanics, 2018
Abstract Time and temperature effects play substantial role in the microstructural degradation of metal materials. There results in complex creep-fatigue interaction. The explicit representation of material damage is preferably assumed to be a characteristic length such as an equivalent crack length.
Tang, KK, Wang, ZQ, Berto, Filippo
openaire   +4 more sources

Multivariate Time Series Forecasting Based on Multi-Scale Feature Fusion and Dual-Attention Mechanism [PDF]

open access: yesJisuanji gongcheng, 2023
Each subsequence of the Multivariate Time Series(MTS) contains multi-scale characteristics of different time spans, comprising information such as development process, direction, and trend.
Lu HAN, Weigang HUO, Yonghui ZHANG, Tao LIU
doaj   +1 more source

Dual Time Scales for Categorical Decision Making in Auditory Cortex [PDF]

open access: yesCurrent Biology, 2006
Category formation allows us to group perceptual objects into meaningful classes and is fundamental to cognition. Categories can be derived from similarity relationships of object features by using prototypes or multiple exemplars, or from abstract relationships of features and rules .
Selezneva, Elena   +2 more
openaire   +2 more sources

Dual time scale network slicing algorithm based on D3QN for B5G multi-service scenarios

open access: yesTongxin xuebao, 2022
To effectively meet the differentiated quality of service (QoS) requirements of different slices, a dual time scale network slicing resource allocation algorithm based on dueling double DQN (D3QN) was proposed for B5G multi-service scenarios.The joint ...
Geng CHEN   +3 more
doaj   +2 more sources

Dual time scale resource allocation for RAN slicing in software-defined oriented polymorphic IoV

open access: yesTongxin xuebao, 2022
To effectively meet the differentiated quality of service (QoS) requirements of various vehicular applications, a dual time scale resource allocation algorithm for radio access network (RAN) slicing in software-defined polymorphic Internet of vehicles ...
Weijing QI, Qingyang SONG, Lei GUO
doaj   +2 more sources

Research on Cumulative Damage Model of Transmission Tower Based on Typhoon Path Prediction Information

open access: yesZhongguo dianli, 2019
Strong typhoons may cause physical damage to the transmission towers in the area where it passes, leading to large-scale blackouts. In order to assist the electric power department to accurately predict the risk of tower collapse and deploy anti-typhoon ...
Yi TANG, Xiangxiang XU, Bin CHEN, Tao YI
doaj   +1 more source

An improved energy management for MVDC distribution system based on exponential droop control

open access: yesFrontiers in Energy Research, 2022
The energy management optimization and DC voltage stability are the main challenges when loads surging and renewable energy sources (RESs) fluctuations occur in the medium-voltage DC distribution system (MVDC-DS).
Wenbiao Lu   +8 more
doaj   +1 more source

Multi-time Scale Control of Dual-Stage Nanopositioning Systems

open access: yesIFAC-PapersOnLine, 2020
Abstract In this paper, a novel multi-time scale control technique is applied to a serial dual-stage nanopositioning system. Dual-stage nanopositioning systems combine a high-speed, short-range actuator and a low-speed, long-range actuator to achieve long-range and high-speed positioning.
Aleksandra Mitrovic   +3 more
openaire   +1 more source

Transient and Steady-State Performance Improvement of IM Drives Based on Dual-Torque Model

open access: yesMachines, 2023
Transient response performance and steady-state operation performance are the two most important performance indicators of a motor drive system. In order to solve these two problems, this study proposes a new induction motor (IM) model, and then designs ...
Xinyu Chen, Pingping Gong
doaj   +1 more source

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