Results 31 to 40 of about 2,190,995 (307)

Analysis of SSR characteristics in DFIGs based wind farm integrated to a series-compensated network

open access: yesThe Journal of Engineering, 2019
To improve transmission capacity and stability margin of the power system, the doubly fed induction generators (DFIGs) based wind farm is transmitted over lines equipped with series compensation (fixed capacitors).
Long Wang   +4 more
doaj   +1 more source

Simulated manned Mars exploration: effects of dietary and diurnal cycle variations on the gut microbiome of crew members in a controlled ecological life support system [PDF]

open access: yesPeerJ, 2019
Background Changes in gut microbiome are closely related to dietary and environment variations, and diurnal circle interventions impact on human metabolism and the microbiome.
Hai-Sheng Dong   +4 more
doaj   +2 more sources

Stabilisation strategy based on feedback linearisation for DC microgrid with multi-converter

open access: yesThe Journal of Engineering, 2019
Power electronic converters have been widely used in power system and the stability issues of DC microgrid with converters will be discussed in this study. Firstly, an equivalent circuit and the corresponding state space model for DC microgrid with DC–DC
Xuanying Shao, Jian Hu, Zhongtian Zhao
doaj   +1 more source

Identification and data-driven model reduction of state-space representations of lossless and dissipative systems from noise-free data [PDF]

open access: yes, 2011
We illustrate procedures to identify a state-space representation of a lossless- or dissipative system from a given noise-free trajectory; important special cases are passive- and bounded-real systems.
Trentelman, Harry   +9 more
core   +1 more source

Analysis of DC voltage oscillation mechanism in AC/DC hybrid distribution system

open access: yesThe Journal of Engineering, 2019
DC voltage oscillation occurs more and more frequently in voltage source converter (VSC)-based AC/DC hybrid distribution system (AC/DC HDS). However, currently, the explanation of the oscillation mechanism is not clear enough.
Luyang Li   +4 more
doaj   +1 more source

State space methods in asset pricing

open access: yesComputers & Mathematics with Applications, 1989
zbMATH Open Web Interface contents unavailable due to conflicting licenses.
openaire   +2 more sources

The sweep-line state space exploration method

open access: yesTheoretical Computer Science, 2012
zbMATH Open Web Interface contents unavailable due to conflicting licenses.
Kurt Jensen   +2 more
openaire   +1 more source

Spatiotemporal and quantitative analyses of phosphoinositides – fluorescent probe—and mass spectrometry‐based approaches

open access: yesFEBS Letters, EarlyView.
Fluorescent probes allow dynamic visualization of phosphoinositides in living cells (left), whereas mass spectrometry provides high‐sensitivity, isomer‐resolved quantitation (right). Their synergistic use captures complementary aspects of lipid signaling. This review illustrates how these approaches reveal the spatiotemporal regulation and quantitative
Hiroaki Kajiho   +3 more
wiley   +1 more source

State assessment of protective devices based on data of information processing system

open access: yesThe Journal of Engineering, 2019
At present, the evaluation of relay status maintenance depends on a large amount of manpower. However, the data sources of relay protection devices and fault recorder information system (as known as the information processing system) have reached the ...
Yuanbo Ye   +4 more
doaj   +1 more source

Catalytic cracking models developed for predictive control purposes [PDF]

open access: yesModeling, Identification and Control, 1993
The paper deals with state-space modeling issues in the context of model-predictive control, with application to catalytic cracking. Emphasis is placed on model establishment, verification and online adjustment.
Dag Ljungqvist   +2 more
doaj   +1 more source

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