Oleg Polyntsev - Academia.edu (original) (raw)

Oleg Polyntsev

Uploads

Papers by Oleg Polyntsev

Research paper thumbnail of Nonlinear Dynamics of a Gyroplane Rotor *

IFAC Proceedings Volumes, 2004

Mathematical models of a gyroplane rotor have been carried out. Their approximate analytical solu... more Mathematical models of a gyroplane rotor have been carried out. Their approximate analytical solutions have been obtained. Software allowing one to simulate and study a rotor dynamics has been created. Major physical features on the forced flexible oscillations of the rotor have been investigated. The results obtained have successfully been applied to design the A-002 gyroplane rotor.

Research paper thumbnail of Nonlinear dynamics and control of a wind-milling gyroplane rotor

2003 IEEE International Workshop on Workload Characterization (IEEE Cat. No.03EX775)

... angle of an "air a-iiiiut,h of a blade; F = I/R, and i' is a blade-element rxlius. ... more ... angle of an "air a-iiiiut,h of a blade; F = I/R, and i' is a blade-element rxlius. ... A growth of the speed coefficient p gives an increase of the blade flexible displacement,s in a flapping plane ... At present, principal problems on a robust stabiliza-tion [12] of the GP fledble rotor are studied ...

Research paper thumbnail of Nonlinear Dynamics and Robust Control of an Autogiro Rotor?

Abstract: Mathematical models of a flexible autogiro rotor have been carried out. Their approxima... more Abstract: Mathematical models of a flexible autogiro rotor have been carried out. Their approximate analytical solutions have been obtained. Software allowing one to simulate and study a rotor dynamics has been created. Major physical features on the forced flexible oscillations of the rotor have been investigated. The results obtained have successfully been applied to designing the A-002 and the A-002M autogiros rotor.

Research paper thumbnail of Bi-Stable Valve

Research paper thumbnail of Bi-Stable Valve

Research paper thumbnail of Nonlinear Dynamics and Robust Control of a Gyroplane Rotor

IFAC Proceedings Volumes, 2005

Mathematical models of a gyroplane rotor have been carried out. Their approximate analytical solu... more Mathematical models of a gyroplane rotor have been carried out. Their approximate analytical solutions have been obtained. Software allowing one to simulate and study a rotor dynamics has been created. Major physical features on the forced flexible oscillations of the rotor have been investigated. The results obtained have successfully been applied to design the A-002 gyroplane rotor.

Research paper thumbnail of Instrumented Drilling System

Research paper thumbnail of Nonlinear Dynamics and Robust Control of an Autogiro Rotor

Mathematical models of a flexible autogiro rotor have been carried out. Their approximate analyti... more Mathematical models of a flexible autogiro rotor have been carried out. Their approximate analytical solutions have been obtained. Software allowing one to simulate and study a rotor dynamics has been created. Major physical features on the forced flexible oscillations of the rotor have been investigated. The results obtained have successfully been applied to designing the A-002 and the A-002M autogiros rotor.

Research paper thumbnail of System for Controlling Flow of an Actuating Fluid

Research paper thumbnail of Dynamics and Control of Autogiro Rotor with Flexible Hub

Mathematical model of an autorotating main rotor with flexible hub has been developed. Numerical ... more Mathematical model of an autorotating main rotor with flexible hub has been developed. Numerical solution of the model has been presented. Special features of the rotor dynamics have been investigated and discussed. Parametric studies of the A-002M main rotor have been performed. The results of the study have been used in designing the autogiro.

Research paper thumbnail of Bi-stable valve

Research paper thumbnail of Drilling System with Flow Control Valve

Research paper thumbnail of Control systems and methods for directional drilling utilizing the same

Research paper thumbnail of Nonlinear Dynamics of a Gyroplane Rotor *

IFAC Proceedings Volumes, 2004

Mathematical models of a gyroplane rotor have been carried out. Their approximate analytical solu... more Mathematical models of a gyroplane rotor have been carried out. Their approximate analytical solutions have been obtained. Software allowing one to simulate and study a rotor dynamics has been created. Major physical features on the forced flexible oscillations of the rotor have been investigated. The results obtained have successfully been applied to design the A-002 gyroplane rotor.

Research paper thumbnail of Nonlinear dynamics and control of a wind-milling gyroplane rotor

2003 IEEE International Workshop on Workload Characterization (IEEE Cat. No.03EX775)

... angle of an "air a-iiiiut,h of a blade; F = I/R, and i' is a blade-element rxlius. ... more ... angle of an "air a-iiiiut,h of a blade; F = I/R, and i' is a blade-element rxlius. ... A growth of the speed coefficient p gives an increase of the blade flexible displacement,s in a flapping plane ... At present, principal problems on a robust stabiliza-tion [12] of the GP fledble rotor are studied ...

Research paper thumbnail of Nonlinear Dynamics and Robust Control of an Autogiro Rotor?

Abstract: Mathematical models of a flexible autogiro rotor have been carried out. Their approxima... more Abstract: Mathematical models of a flexible autogiro rotor have been carried out. Their approximate analytical solutions have been obtained. Software allowing one to simulate and study a rotor dynamics has been created. Major physical features on the forced flexible oscillations of the rotor have been investigated. The results obtained have successfully been applied to designing the A-002 and the A-002M autogiros rotor.

Research paper thumbnail of Bi-Stable Valve

Research paper thumbnail of Bi-Stable Valve

Research paper thumbnail of Nonlinear Dynamics and Robust Control of a Gyroplane Rotor

IFAC Proceedings Volumes, 2005

Mathematical models of a gyroplane rotor have been carried out. Their approximate analytical solu... more Mathematical models of a gyroplane rotor have been carried out. Their approximate analytical solutions have been obtained. Software allowing one to simulate and study a rotor dynamics has been created. Major physical features on the forced flexible oscillations of the rotor have been investigated. The results obtained have successfully been applied to design the A-002 gyroplane rotor.

Research paper thumbnail of Instrumented Drilling System

Research paper thumbnail of Nonlinear Dynamics and Robust Control of an Autogiro Rotor

Mathematical models of a flexible autogiro rotor have been carried out. Their approximate analyti... more Mathematical models of a flexible autogiro rotor have been carried out. Their approximate analytical solutions have been obtained. Software allowing one to simulate and study a rotor dynamics has been created. Major physical features on the forced flexible oscillations of the rotor have been investigated. The results obtained have successfully been applied to designing the A-002 and the A-002M autogiros rotor.

Research paper thumbnail of System for Controlling Flow of an Actuating Fluid

Research paper thumbnail of Dynamics and Control of Autogiro Rotor with Flexible Hub

Mathematical model of an autorotating main rotor with flexible hub has been developed. Numerical ... more Mathematical model of an autorotating main rotor with flexible hub has been developed. Numerical solution of the model has been presented. Special features of the rotor dynamics have been investigated and discussed. Parametric studies of the A-002M main rotor have been performed. The results of the study have been used in designing the autogiro.

Research paper thumbnail of Bi-stable valve

Research paper thumbnail of Drilling System with Flow Control Valve

Research paper thumbnail of Control systems and methods for directional drilling utilizing the same

Log In