Experimental Beam Structure With Magnetically Controlled Damping Blocks

• Autorzy: Bajkowski J. M. , Dyniewicz B. , Bajer C.
• Języki publikacji: EN

Abstrakty

EN

This study considers the dynamic response of an experimental system combining two thin, aluminium beams with damping blocks attached. Damping blocks made of magnetorheological elastomer were placed at the tips of the beams and sequentially clamped using electromagnets to obtain energy dissipation. We analyse whether the magnetorheological elastomers can be effectively used in controlled damping systems with varying levels of stiffness and friction. The experimental results demonstrate that residual vibrations can be suppressed faster when the switching control is applied than if the electromagnetic actuator is turned on constantly. The effectiveness of the solution is discussed, based on the experimental results. The decay of vibration amplitude, damping and the system frequency is provided.

Słowa kluczowe

EN

vibration; damping; control; switching; friction; electromagnet

• Wydawca: Oficyna Wydawnicza Politechniki Warszawskiej
• Czasopismo: Machine Dynamics Research
• Rocznik: 2017
• Tom: Vol. 41, No. 1
• Strony: 77--88
• Opis fizyczny: Bibliogr. 13 poz., il., tab., wykr.

Twórcy

autor

Bajkowski J. M.

• Warsaw University of Technology, Faculty of Production Engineering

autor

Dyniewicz B.

• Polish Academy of Sciences, Institute of Fundamental Technological Research (IPPT)

autor

Bajer C.

• Polish Academy of Sciences, Institute of Fundamental Technological Research (IPPT)

Bibliografia

• 1. Bajkowski, J. M., Bajer, C. I., Dyniewicz, B., and Pisarski, D. (2016). Vibration control of adjacent beams with pneumatic granular coupler: an experimental study. Mechanics Research Communications, 78, Part A:51 – 56.
• 2. Bajkowski, J. M., Dyniewicz, B., and Bajer, C. I. (2015). Damping properties of a beam with vacuum-packed granular damper. Journal of Sound and Vibration, 341C:74–85.
• 3. Bhaskararao, A. V. and Jangid, R. S. (2006). Seismic response of adjacent buildings connected with friction dampers. Bulletin of Earthquake Engineering, 4:43–64.
• 4. Dupont, P., Kasturi, P., and Stokes, A. (1997). Semi-active control of friction dampers. Journal of Sound and Vibration, 202(2):203–218.
• 5. Dyniewicz, B., Bajkowski, J. M., and Bajer, C. I. (2015). Semi-active control of a sandwich beam partially filled with magnetorheological elastomer. Mechanical Systems and Signal Processing, 60-61:695–705.
• 6. Lane, J., Ferri, A., and Heck, B. (1992). Vibration control using semi-active frictional damping. In Proc ASME-DED Winter Annual Meeting Friction-Induced Vibration, Chatter, Squeal and Chaos, volume 49, pages 165–171, New York, USA.
• 7. Li, C. and Reinhorn, A. M. (1995). Report. National Center for Earthquake Engineering Research, NCEER-95-0009:1–30.
• 8. Mroz, A., Orlowska, A., and Holnicki-Szulc, J. (2010). Semi-active damping of vibrations: Prestress accumulation-release strategy development. Shock and Vibration, 17:123–136.
• 9. Ostachowicz,W., Majewska, K., and Zak, A. (2007). Magnetic shape memory alloys for forced vibration control of beam-like structures. Smart Materials and Structures, 16:2388–2397.
• 10. Ostachowicz, W., Zak, A., Malinowski, P., and Wandowski, T. (2008). Control of properties of composite structures with the use of multi-functional materials. Advances in Science and Technology, 56:324–333.
• 11. Pisarski, D., Szmidt, T., Bajer, C. I., Dyniewicz, B., and Bajkowski, J. M. (2016). Vibration control of double-beam system with multiple smart damping members. Shock and Vibration, 1:1–14.
• 12. Schubert, G. and Harrison, P. (2016). Magnetic induction measurements and identification of the permeability of magneto-rheological elastomers using finite element simulations. Journal of Magnetism and Magnetic Materials, 404:205–214.
• 13. Stammers, C. W. and Sireteanu, T. (1998). Vibration control of machines by use of semi-active dry friction damping. Journal of Sound and Vibration, 209(4):671–684.