At present years, the photovoltaic industry has a rapid development. The research of related technologies also has made tremendous progress. The photovoltaic power generation system includes the solar array, controlle...
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Flexible AC transmission technology (FACTS) is a new technology developed in recent years. It use power electronic technology and modern control technology to achieve fast control for AC transmission system parameter ...
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With the wide application of power electronic devices, especially the use of non-linear device, a large number of harmonics and reactive current injected into the grid, which will cause power grid pollution, and the p...
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In the analysis of PV cells mathematical model based on the use of the admittance incremental method with constant voltage integrated maximum power point tracking (MPPT) method. In the micro-grid, PV power generation ...
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With the development of high temperature superconducting wire and related cryogenic technology, applications of superconducting device in power system has become the new hot spot of power engineering science research....
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Nursing activity can significantly influence patient outcome in the Intensive Care Unit (ICU). The ability to track a patient bedside nursing activity and to analyse the interactions between the nurses' and patien...
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Nursing activity can significantly influence patient outcome in the Intensive Care Unit (ICU). The ability to track a patient bedside nursing activity and to analyse the interactions between the nurses' and patient can provide clinically useful information to optimize the distribution of clinical resources, improving patient care and better manage the ICU nurse workload. In this paper, 4 potential methods that can be used to quantify the nursing activity are presented and evaluated. The corresponding advantages and disadvantages of each method are evaluated in a weighted scoring system. The highest scored method is then further developed for the application. This system, the Clinical Activity Tracking System (CATS) utilizes an infrared depth sensor to automatically quantify nursing activity at patient's bedside. This new system is tested in a simulated environment and the preliminary results on its accuracy and robustness are presented.
Aiming at the problems of flare gas flow monitoring on offshore oil platform, a flare gas flow measurement system is designed. This system is integrated in the whole flare control system and reaches the effective moni...
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Dispatching being the core of the power operation and control, intelligent dispatching is the key point of the construction of unified and strong smart grid. During the construction of smart grid dispatching technical...
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This paper studies the permanent-magnet synchronous motor model, taking advantage of enhanced feedback control to realize time-continuous chaos system, with further application of the method in each equation to analyz...
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To deeply understand the emergence of cooperation in natural,social and economical systems,we present an improved fitness evaluation mechanism with memory in spatial prisoner's dilemma game on regular *** our mode...
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To deeply understand the emergence of cooperation in natural,social and economical systems,we present an improved fitness evaluation mechanism with memory in spatial prisoner's dilemma game on regular *** our model,the individual fitness is not only determined by the payoff in the current game round,but also by the payoffs in previous round bins.A tunable parameter,termed as the memory strength(μ),which lies between 0 and 1,is introduced into the model to regulate the ratio of payoffs of current and previous game rounds in the individual fitness *** μ = 0,our model is reduced to the standard prisoner's dilemma game;while μ = 1 represents the case in which the payoff is totally determined by the initial strategies and thus it is far from the realistic *** numerical simulations indicate that the memory effect can substantially promote the evolution of *** μ < 1,the stronger the memory effect,the higher the cooperation level,but μ = 1 leads to a pathological state of cooperation,but can partially enhance the cooperation in the very large temptation *** current results are of great significance for us to account for the role of memory effect during the evolution of cooperation among selfish players.
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