A control strategy is presented incorporating friction which can be adapted within a cycle of vibration. During base shock input, the friction is switched on and off based on specified response parameters. The predicted response of a semi active system is compared with that of a passive isolation system. The strategy is shown to produce an improved displacement reduction and a smaller maximum displacement compared to the base input; a result which cannot be obtained with a typical passive system. The models are then validated using an experimental rig, representing a two degree of freedom system, having an electromagnet to switch on and off friction via the control logic. Good agreement is obtained in addition to identifying optimum parameter choices.
Published in | International Journal of Mechanical Engineering and Applications (Volume 7, Issue 3) |
DOI | 10.11648/j.ijmea.20190703.12 |
Page(s) | 78-90 |
Creative Commons |
This is an Open Access article, distributed under the terms of the Creative Commons Attribution 4.0 International License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution and reproduction in any medium or format, provided the original work is properly cited. |
Copyright |
Copyright © The Author(s), 2019. Published by Science Publishing Group |
Shock Isolation, Semi Active Friction, Two Degree of Freedom Model
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APA Style
Mohd Ikmal Ismail, Neil Ferguson. (2019). A Friction Control Strategy for Shock Isolation. International Journal of Mechanical Engineering and Applications, 7(3), 78-90. https://doi.org/10.11648/j.ijmea.20190703.12
ACS Style
Mohd Ikmal Ismail; Neil Ferguson. A Friction Control Strategy for Shock Isolation. Int. J. Mech. Eng. Appl. 2019, 7(3), 78-90. doi: 10.11648/j.ijmea.20190703.12
AMA Style
Mohd Ikmal Ismail, Neil Ferguson. A Friction Control Strategy for Shock Isolation. Int J Mech Eng Appl. 2019;7(3):78-90. doi: 10.11648/j.ijmea.20190703.12
@article{10.11648/j.ijmea.20190703.12, author = {Mohd Ikmal Ismail and Neil Ferguson}, title = {A Friction Control Strategy for Shock Isolation}, journal = {International Journal of Mechanical Engineering and Applications}, volume = {7}, number = {3}, pages = {78-90}, doi = {10.11648/j.ijmea.20190703.12}, url = {https://doi.org/10.11648/j.ijmea.20190703.12}, eprint = {https://article.sciencepublishinggroup.com/pdf/10.11648.j.ijmea.20190703.12}, abstract = {A control strategy is presented incorporating friction which can be adapted within a cycle of vibration. During base shock input, the friction is switched on and off based on specified response parameters. The predicted response of a semi active system is compared with that of a passive isolation system. The strategy is shown to produce an improved displacement reduction and a smaller maximum displacement compared to the base input; a result which cannot be obtained with a typical passive system. The models are then validated using an experimental rig, representing a two degree of freedom system, having an electromagnet to switch on and off friction via the control logic. Good agreement is obtained in addition to identifying optimum parameter choices.}, year = {2019} }
TY - JOUR T1 - A Friction Control Strategy for Shock Isolation AU - Mohd Ikmal Ismail AU - Neil Ferguson Y1 - 2019/08/10 PY - 2019 N1 - https://doi.org/10.11648/j.ijmea.20190703.12 DO - 10.11648/j.ijmea.20190703.12 T2 - International Journal of Mechanical Engineering and Applications JF - International Journal of Mechanical Engineering and Applications JO - International Journal of Mechanical Engineering and Applications SP - 78 EP - 90 PB - Science Publishing Group SN - 2330-0248 UR - https://doi.org/10.11648/j.ijmea.20190703.12 AB - A control strategy is presented incorporating friction which can be adapted within a cycle of vibration. During base shock input, the friction is switched on and off based on specified response parameters. The predicted response of a semi active system is compared with that of a passive isolation system. The strategy is shown to produce an improved displacement reduction and a smaller maximum displacement compared to the base input; a result which cannot be obtained with a typical passive system. The models are then validated using an experimental rig, representing a two degree of freedom system, having an electromagnet to switch on and off friction via the control logic. Good agreement is obtained in addition to identifying optimum parameter choices. VL - 7 IS - 3 ER -