Identification of modal parametrs of transmission towers
| 1 | AGH University of Science and Technology, Faculty of Mechanical Engineering and Robotics,
Department of Robotics and Mechatronics,
Mickiewicz Alley 30, 30-059 Krakow, Poland |
| 2 | AGH University of Science and Technology, Faculty of Mechanical Engineering and Robotics,
Department of Process Control,
Mickiewicz Alley 30, 30-059 Krakow, Poland |
CORRESPONDING AUTHOR
Joanna Zofia Iwaniec
AGH University of Science and Technology, Faculty of Mechanical Engineering and Robotics, Department of Robotics and Mechatronics, Mickiewicz Alley 30, 30-059 Krakow, Poland, Mickiewicz Alley 30, 30-059 Krakow, Polska
AGH University of Science and Technology, Faculty of Mechanical Engineering and Robotics, Department of Robotics and Mechatronics, Mickiewicz Alley 30, 30-059 Krakow, Poland, Mickiewicz Alley 30, 30-059 Krakow, Polska
Submission date: 2016-05-10
Final revision date: 2016-10-19
Acceptance date: 2016-10-20
Publication date: 2016-11-21
Diagnostyka 2016;17(4):33–38
KEYWORDS
TOPICS
ABSTRACT
The paper presents theoretical basis for identification of nonlinear systems using the method based on Hilbert transform. Discussed method was verified by analyzing the synthesized signals of known parameters. Developed and verified mathematical tools were used for analysis of dynamic responses of the real object: a laboratory (physical) model of the transmission tower. For the considered laboratory model it was possible to simulate damages of individual truss elements and observe changes in system dynamic characteristics. Results of the carried out research proved that the first natural frequency and damping factor change in the observable extent as a result of damage presence.
„Podniesienie poziomu naukowego i poziomu umiędzynarodowienia czasopisma Diagnostyka oraz upowszechniania informacji o wynikach badań lub prac rozwojowych poprzez udział uznanych zagranicznych recenzentów w ocenie publikacji - zadanie finansowane w ramach umowy 745/P-DUN/2017. ze środków Ministra Nauki i Szkolnictwa Wyższego przeznaczonych na działalność upowszechniającą naukę”
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