Parameters transducers of the blade’s dynamic movements of turbounits based on nonlinear approximation of primary signals

Abstract


New method for the determination of blades oscillation parameters is proposed. The approach is based on the analysis of primary transducers signals distortions using nonlinear approximation techniques. Blades oscillations lead to distortions of primary transducer output signal, non-linear approximation techniques allow to determine blade oscillation parameters.


About the authors

A. Zh. Chernyavskiy

Joint-stock company AVTOVAZ, Tolyatti

Author for correspondence.
Email: ark@vaz.ru

Russian Federation

Leading Engineer

A. I. Danilin

Samara State Aerospace University

Email: aidan@ssau.ru

Russian Federation

Doctor of Technical Sciences

Associate Professor at Chair of Radio Engineering and Medical Diagnostic Systems

S. A. Danilin

Samara State Aerospace University

Email: aidan@ssau.ru

Russian Federation

Student

References

  1. Заблоцкий, И.Е. Бесконтактные измерения колебаний лопаток турбомашин [Текст] / И.Е. Заблоцкий, Ю.А. Коростелев, Р.А. Шипов. – М.: Машиностроение, 1977. - 160 с.
  2. Данилин, А.И. Диагностика и контроль деформационного состояния лопаток турбоагрегатов [Текст] / А.И. Данилин, А.Ж. Чернявский // Контроль. Диагностика. – 2003. – №1. – C.23-28.
  3. Прохоров, С.А. Аппроксимативный анализ случайных процессов [Текст] / С.А. Прохоров, 2-е изд., перераб. и доп. / Самар. гос. аэрокосм. ун-т, 2001. - 380 с.

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