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Разработка методики идентификации математической имитационной сетевой модели ГТД в системе моделирования DVIGw

Разработка методики идентификации математической имитационной сетевой модели ГТД в системе моделирования DVIGw

Abstract

The methods of representation and appeal to an universal compressor characteristic in the simulation system DVIGw are considered. The necessity and the opportunity to represent the characteristics of the widest possible range of parameters. An example of an algorithm refinement compressor performance test engine based on the model characteristics and parameters of their dimensioning. There was chosen the most appropriate way of features handling and representing to preserve the possibility of using it when scaling during the identification of the turbine engine model. Improved identification process simulation model of the engine, including the solution of the problem with a lack of experimental data.There is presented the method for accelerating the process of identification through the creation of simulation network models replicated by the modes and there is realized the identification of a mathematical simulation network model with an example two spooled turbojet for training aircraft.

Рассматриваются способы представления и обращения к универсальной характеристике компрессора в системе имитационного моделирования DVIGw. Показана необходимость и возможность представлять характеристики в максимально широком диапазоне изменения параметров. Приведен пример алгоритма уточнения характеристик компрессоров испытываемого двигателя на основе типовых характеристик и параметров их образмеривания. Выбран наиболее целесообразный способ обращения и представления характеристики для сохранения возможности применения ее при масштабировании в процессе идентификации модели ГТД. Усовершенствован процесс идентификации имитационной модели двигателя, в том числе решение задачи при недостатке экспериментальной информации. Представлен способ ускорения процесса идентификации посредством создания тиражированных по режимам имитационных сетевых моделей и проведена идентификация математической имитационной сетевой модели на примере ТРДД для учебно-тренировочного самолета.

Keywords

АВИАЦИОННЫЕ ДВИГАТЕЛИ, ИМИТАЦИОННОЕ МОДЕЛИРОВАНИЕ, УНИВЕРСАЛЬНАЯ ХАРАКТЕРИСТИКА КОМПРЕССОРА, ИДЕНТИФИКАЦИЯ

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    This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
0
Average
Average
Average
gold