Results 21 to 30 of about 9,007,074 (305)

Dynamic characteristics and fragmentation evolution of columnar rockfall: A case study of the Zengziyan rockfall in Chongqing, China

open access: yesZhongguo dizhi zaihai yu fangzhi xuebao, 2022
Columnar rockfall occur widely in China and cause extreme damage to man-made structures and facilities. On 12 August 2004, Zengziyan W12 perilous rock collapsed and ran out a horizontal distance of 600 m. The rockfall caused airblast with a height of 150
Xiangzhao KONG   +5 more
doaj   +1 more source

Study on Seismic Performance of a Mold Transformer through Shaking Table Tests

open access: yesApplied Sciences, 2020
This study presents an experimental seismic investigation of a 1000 kVA cast resin-type hybrid mold transformer through tri-axial shaking table tests. The input acceleration time histories were generated in accordance with the specifications recommended ...
Ngoc Hieu Dinh   +3 more
doaj   +1 more source

Sequential action and beliefs under partially observable DSGE environments [PDF]

open access: yes, 2012
Revised and resubmitted at Computational EconomicsThis paper introduces a classification of DSGEs from a Markovian perspective, and positions the class of POMDP (Partially Observable Markov Decision Process) to the center of a generalization of linear ...
Kim, Seong-Hoon
core   +1 more source

Dynamic characteristics of a periodically forced fluidized bed catalytic reactor under conventional PI control

open access: yes, 1998
Department of Chemical Engineering, King Saud University P.O. Box 800. Riyadh 11421. Saudi Arabia .A two-phase model of a non-isothermal fluidized bed catalytic reactor with consecutive exothermic reactions A—» b —> C is used to investigate the dynamic ...
Abdelhamid Ajbar, Ajbar, Abdelhamid
core   +1 more source

A Composite Recognition Method Based on Multimode Mutual Attention Fusion Network

open access: yesApplied Artificial Intelligence
To address the problem of single-mode vulnerability to complex environments, a multimode fusion network with mutual attention is proposed. This network combines the use of laser, infrared and millimeter wave modalities to leverage the advantages of each ...
Xing Ding   +4 more
doaj   +1 more source

Unsupervised Regression Model of Geodesic Flow Kernel Based on Dynamic Independent Component Analysis and Dynamic Principal Component Analysis

open access: yesShanghai Jiaotong Daxue xuebao, 2020
It is difficult to accurately measure parameters by using the traditional soft sensor algorithm when the working condition of industrial process is changed. Therefore, a transfer learning strategy is introduced based on geodesic flow kernel to solve this
LAI Yanbo   +3 more
doaj   +1 more source

Dynamic Modeling and Flexibility Analysis of an Integrated Electrical and Thermal Energy System With the Heat Pump–Thermal Storage

open access: yesFrontiers in Energy Research, 2022
The integration of high-efficiency heat pump and thermal storage devices is of great significance to realize the synergy between efficient and flexible operation of the integrated electric and thermal energy systems.
Junhong Hao   +4 more
doaj   +1 more source

Dynamic Data Mining of Sensor Data

open access: yesIEEE Access, 2020
The research of data mining has aroused widespread concern in academia and industry. However, an important mark of the Internet of Things era is that sensor data replaces artificially compiled data.
Yunfei Yin, Lianjie Long, Xiyu Deng
doaj   +1 more source

Dynamic process of the “8•31” debris flow in Luoxi gulley of Ganluo County, Sichuan Province

open access: yesZhongguo dizhi zaihai yu fangzhi xuebao
Heixiluo gully, located in Suxiong Town, Ganluo County of Sichuan Province, experienced a catastrophic debris flow disaster at 8:00 a.m. on August 31, 2020, causing significant losses to local residents, as well as to the Chengdu–Kunming railway bridges ...
Jishuai SHI   +2 more
doaj   +1 more source

Research into the Dynamic Characteristics of the Planetary Cob­Separating Device

open access: yesСельскохозяйственные машины и технологии, 2021
. In the article, the authors propose a methodological approach to calculating the planetary cob-separating device used in corn harvesters and specialized headers.
V. M. Pogosyan, M. E. Chaplygin
doaj   +1 more source

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