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Design and Testing of a Co-Rotating Vibration Excitation System

Angelos Filippatos, Tino Wollmann, Minh Nguyen, Pawel Kostka, Martin Dannemann, Albert Langkamp, Loic Salles, Maik Gude
2018 Sensors  
A vibration excitation system (VES) in a form of an active coupling is proposed, designed and manufactured.  ...  Through the application of the VES an aimed vibration excitation is realised in a co-rotating coordinate system, which enables a non-invasive and precise modal analysis of rotating components.  ...  Rotational Speed Unit Summary and Outlook A novel co-rotating vibration excitation system has been designed and manufactured, which allows the realisation of a non-invasive modal analysis of rotating  ... 
doi:10.3390/s19010092 fatcat:foci52fv7zfzlpsvtxlkst6gtu

A novel torsional exciter for modal vibration testing of large rotating machinery

Christof Sihler
2006 Mechanical systems and signal processing  
It has been developed at IPP in order to perform vibration tests with shaft assemblies of large flywheel generators (synchronous machines).  ...  A novel exciter for applying a dynamic torsional force to a rotating structure is presented in this paper.  ...  The author is also grateful to all members of the ASDEX Upgrade team and their contributions to this work.  ... 
doi:10.1016/j.ymssp.2005.01.002 fatcat:lidoejq4ovb4tauyioox2b6wou

Research on gearbox dynamic design methodology based on modal optimization

Zheng Li, Yu Zhou
2020 Journal of Vibroengineering  
This paper proposes a kind of "Gearbox Dynamic Design Methodology" which can control the system vibration of the product at the theoretical design phase.  ...  The research investigates the relationship between the vibration and the system modes of gearbox by using multi-body dynamic simulation; and also discusses the method to regulate design parameters in order  ...  The Fig. 15 indicates the general assembly of the test rig. The original vibration test result displayed in Fig. 2 also derives from identical test system and strategy.  ... 
doi:10.21595/jve.2019.20464 fatcat:yt5lliuxenawfi6orhvrgpvvku

DESIGN AND TESTING OF UNBALANCED MASS MECHANICAL VIBRATION EXCITER

Nitinkumar Anekar .
2014 International Journal of Research in Engineering and Technology  
This article presents design, construction, performance and testing of mechanical vibrations exciter, which have unbalanced mass to generate uniaxial vibrations.  ...  The exciter is designed to produce a given range of harmonic or time dependent excitation force and displacement through a given range of frequencies.  ...  ACKNOWLEDGEMENTS The authors are grateful for the support MIT College of Engineering, Pune. The authors would also like to thanks Mr. Nikhil Saggam, Mr. Rohit Kumbhar and Mr.  ... 
doi:10.15623/ijret.2014.0308017 fatcat:y6w2tstg45gpjkbevjl6pfngyy

Experimental Investigation on Synchronization of Two Co-rating Rotors Coupled with Nonlinear Springs

Mingjun Du, Yongjun Hou, Cheng Yu, Wei Wang, Duyu Hou, Guang Xiong
2020 IEEE Access  
Based on the published paper, in order to avoid anti-phase synchronization with two co-rotating rotors system, a vibrating system with two co-rotating rotors installed with nonlinear springs have been  ...  Additionally, an experimental strategy with synchronous tests and dynamic characteristic tests of the vibrating system are carried out to validate the correctness of the simulation analysis.  ...  simulation results with two co-rotating rotors coupled with a tensile-spring in a vibrating system. operation of the system, and two exciters are rotating with the same frequency.  ... 
doi:10.1109/access.2020.2975590 fatcat:lzb2saqegjfd7ipo2cetqsildy

EXPERIMENTAL EVALUATION OF PERFORMANCE AND MECHANICAL RELIABILITY FOR HIGH PRESSURE CO2 INTEGRALLY GEARED COMPRESSOR

Toshiaki Baba, Koumei Fujioka, Hirotoshi Arihara, Yoshitaka Baba, Takuya Iwata
2020 Journal of the Global Power and Propulsion Society  
A commercial size, 5 stages integrally geared CO 2 centrifugal compressor of 20 MPaG discharge pressure level was designed, manufactured and evaluated the fluid dynamic performances and rotor stability  ...  It was installed in OEM's factory and the full load and full pressure test was carried out using real CO 2 gas.  ...  Deguchi for supporting the aerodynamic matters of this project as a specialist in fluid dynamics of turbomachinery.  ... 
doi:10.33737/jgpps/124724 fatcat:tcei7rtgnnh2fencywx6uyfvg4

Fast swept sine cutting test for CNC lathes

Keigo TAKASUGI, Tetsuya FUKUDA, Ryota KITO, Naoki ASAKAWA, Yoshitaka MORIMOTO
2020 Journal of Advanced Mechanical Design, Systems, and Manufacturing  
It is difficult to analyze machine tools during cutting because of the rotating spindle and discharged chips.  ...  To mitigate chatter vibration in high-speed high-precision machining, the structure of machine tools and the cutting conditions must be optimized.  ...  Therefore, chatter vibration is a kind of self-excited vibration caused by the feedback of the cutting force to the cutting system.  ... 
doi:10.1299/jamdsm.2020jamdsm0092 fatcat:72fz3wk445c7namrrkqphwlsvq

Experimental validation of a newly designed 6 degrees of freedom scanning laser head: Application to three-dimensional beam structure

D. Di Maio, E. Copertaro
2013 Review of Scientific Instruments  
The prototype was specifically designed for targeting the in-plane rotational vibrations and therefore proving the effectiveness of the design.  ...  A test structure was designed to be as similar as possible to a real engineering component and which could exhibit relevant vibrations along the three axial directions, X, Y, and Z, respectively.  ... 
doi:10.1063/1.4845535 pmid:24387413 fatcat:onc7h7pyo5hz7hcwwz3v2ue2ia

Controlled experimental research and model design of double-layer high-frequency vibrating screen machine

Xiaoman Liu, Jinfei Pang, Yuntao Cai, Guojun Du
2021 Journal of Vibroengineering  
The double-layer high-frequency vibrating screen machine is widely used in the tobacco industry, and its controllability of vibration has a great influence on the screening quality of cut tobacco.  ...  vibrating screen machine, and determine the relationship between various factors and the amplitude of the vibrating screen.  ...  the sum of eccentric Block Mass on Vibrator; -rotation radius of eccentric block; -rotation angular velocity of exciter.  ... 
doi:10.21595/jve.2020.21639 fatcat:2pgkqjnmvjdpvmpdgnrwq2ar44

Dynamic Modeling of the Active Magnetic Bearing System Operating in Base Motion Condition

Yuanping Xu, Quan Shen, Yue Zhang, Jin Zhou, Chaowu Jin
2020 IEEE Access  
Description of the AMB System In this work, the AMB system was designed and built as a home-made research platform, as shown in Fig. 1 . The length of rotor is 336mm.  ...  [16] modified the PID controller gains on a non-rotating test rig with a single magnetic bearing mounted on a shaker to detect the effect of sinusoidal base motion. Cole et al.  ... 
doi:10.1109/access.2020.3022996 fatcat:rntcfmbztbhyflwvydqtop5seq

The Kinematic Analysis of the Screw Conveyor Vibration Exciter

Dmitriy Kobylyansky, Viacheslav Gogolin, S. Vöth, N.C. Cuong, N. Van Hoan, R. Vavrek, F.I. Panteleenko, S. Popek
2019 MATEC Web of Conferences  
The calculation scheme of the new design of the vibration exciter, which allows to determine the parameters of the vibrations excited by this device taking into account the structural novelty and the specifics  ...  As a result, a system of parametric equations describing the external and internal envelope line is obtained.  ...  Introduction A new design of the vibration exciter of the screw conveyor [1, 2] has been proposed, which requires the development of a method for calculating the parameters of oscillations excited by  ... 
doi:10.1051/matecconf/201929703004 fatcat:gpjf7gb4xbbm7gw42favtpj3mq

Investigation of the effect of rotation speed on the torsional vibration of transmission system

Xiaogang LIU, Zhaoyu WU, Jie LU, Jinli XU
2019 Journal of Advanced Mechanical Design, Systems, and Manufacturing  
A torsional vibration test rig was developed to investigate the torsional vibration caused by engine excitation, including the torsional vibration responses of flywheel end of engine and gearbox input  ...  Mechanical Design, Systems, and Manufacturing, Vol.13, No.4 (2019) important source of vibration.  ... 
doi:10.1299/jamdsm.2019jamdsm0079 fatcat:p7wqx5sm3nhzhd2amvdjhp46na

Parametric resonances of floating wind turbines blades under vertical wave excitation

Takashi Ikeda, Yuji Harata, Yugo Miyazawa, Yukio Ishida, N. Maia, Z. Dimitrovová
2018 MATEC Web of Conferences  
the rotational speed and wave excitation frequency.  ...  Swept-sine tests are conducted to determine the frequency response curves for the nonlinear system and demonstrate that the parametric resonances appear at similar rotational speeds as those of the unstable  ... 
doi:10.1051/matecconf/201821118004 fatcat:6j4xpi3m2bchtkqlxnkmpg4sbm

The dynamics of a resonance single-mass vibratory machine with a vibration exciter of targeted action that operates on the Sommerfeld effect

Gennadiy Filimonikhin, Vladimir Pirogov, Maksim Hodunko, Ruslan Kisilov, Vitalii Mazhara
2021 Eastern-European Journal of Enterprise Technologies  
This paper reports a study into the dynamics of a vibratory machine composed of a viscoelastically-fixed platform that can move vertically and two identical inertial vibration exciters.  ...  The vibration exciters' bodies rotate at the same angular velocities in opposite directions. The bodies host a single load in the form of a ball, roller, or pendulum.  ...  Acknowledgments This paper is funded within the framework of scientific work No. 0119U001173 "Stabilization and stability of motion of an unbalanced rotating carrying body in a free or isolated mechanical  ... 
doi:10.15587/1729-4061.2021.233960 fatcat:dca6djaxgjbx7ltc7kzelks5qu

High frequency large stroke design and simulation experimental research on shaking table

Chaowei Li, Jin Gao, Dongying Wang, Wenbin Du, Shili Li, Qiang Lei
2017 Vibroengineering PROCEDIA  
The vibration test curve of the vibrating table is obtained, and the reason of the change of the vibration curve under different vibration frequency is analyzed.  ...  Firstly, this paper introduces the design of high frequency large stroke vibration table according to the applicable environment.  ...  Design of excitations The vibrator is the vibration generating device of the vibration table, and it is also one of the most serious parts suffering load.  ... 
doi:10.21595/vp.2017.19072 fatcat:ndoju4dn6ne4fen75fuqvo3tzy
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