نتایج جستجو برای: saturation parameters
تعداد نتایج: 621574 فیلتر نتایج به سال:
Hemodynamic monitoring has become a real challenge in the intensive care unit. As an integrative parameter for oxygen supply/demand, venous oxygen saturation (SvO(2)) provided by pulmonary artery catheterization is one of the most popular parameters to assess the adequacy of cardiac output. However, technical limitations and potential iatrogenic complications constitute important limits for a w...
This paper presents a method for evaluating interior permanent magnet synchronous motor (IPMSM) performance over the entire operation region. Using a d-q axis equivalent circuit model consisting of motor parameters such as the permanent magnetic flux, copper resistance, core loss resistance, and d-q axis inductance, a conventional mathematical model of an IPMSM has been developed. It is well un...
The transparency and clarity of research reports, emphasizing the data collection stage, are considered important parameters for evaluating the scientific rigor of qualitative studies. The current paper aims to analyze the use of saturation sampling as a methodological concept, frequently employed in descriptions of qualitative studies in various areas of knowledge, particularly in the field of...
This paper presents neural adaptive control methods for a class of nonlinear systems in the presence of actuator saturation. Backstepping technique is widely used for the control of nonlinear systems. By introducing alternative state variables and implementing state transformation, the system can be reformulated as output feedback of a canonical system, which ensures that the controllers can be...
Active steering systems can help the driver to master critical driving situations, for example aquaplaning and -split braking. In these situations it is likely that the tires reach their performance limits, where nonlinear effects like saturation play an important role. Tires are the part in vehicle dynamics afflicted with the highest degree of nonlinearity – due to saturation – and uncertainty...
Distributed wireless sensor networks have been proposed as a solution to environment sensing, target tracking, data collection and other applications. Energy efficiency, high estimation accuracy, and fast convergence are important goals in distributed estimation algorithms for sensor network. This paper studies the problem of robust adaptive estimation in impulsive noise environment using robus...
This paper presents neural adaptive control methods for a class of nonlinear systems in the presence of actuator saturation. Backstepping technique is widely used for the control of nonlinear systems. By introducing alternative state variables and implementing state transformation, the system can be reformulated as output feedback of a canonical system, which ensures that the controllers can be...
Chemical exchange saturation transfer magnetic resonance imaging (CEST-MRI) is capable of both microenvironment and molecular imaging. The optimization of scanning parameters is important since the CEST effect is sensitive to factors such as saturation power and field homogeneity. The aim of this study was to determine if the CEST effect would be altered by changing the length of readout RF pul...
Introduction Magnetization Transfer (MT) imaging is of increasing interest in neuroimaging, yielding important information, e.g. about myelin integrity in the central nervous system [1, 2]. However, a quantitative analysis of the MT ratio (MTR) is affected by several problems, especially at high field strengths: B1 inhomogeneities influence the MT saturation angle, biasing MTR values. High spec...
The nuclear symmetry energy, together with the other saturation properties of symmetric matter, plays an important role in low energy structure terrestrial systems, as well astrophysical objects. In particular, its density dependence, both sub- and supra-saturation regions high matter neutron stars, is utmost significance has been a subject active research for decades, usually within mean-field...
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