Fuzzy iterative PID-type control of vortex induced vibration suppression
This paper presents the application of Fuzzy Iterative PID-Type controller in suppressing the vortex induced vibration of a flexibly mounted cylindrical pipe. A pair of input and output data, which are the water flow speed and vibration amplitude, respectively have been measured through experimental...
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| Main Authors: | , , , |
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| Format: | Article |
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Vibromechanika
2017
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| Subjects: | |
| Online Access: | http://eprints.utm.my/id/eprint/76667/ https://www.scopus.com/inward/record.uri?eid=2-s2.0-85034743302&doi=10.21595%2fjve.2017.18350&partnerID=40&md5=fde6e873509d92cb37969d4ada62f12e |
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| Summary: | This paper presents the application of Fuzzy Iterative PID-Type controller in suppressing the vortex induced vibration of a flexibly mounted cylindrical pipe. A pair of input and output data, which are the water flow speed and vibration amplitude, respectively have been measured through experimental work in generating a linear autoregressive with exogenous input, ARX model. Recursive least square was utilized in determining the appropriate parameters of stated model. It was found that the 2nd model order had fulfilled the selection requirements, which include lowest mean squared error, stable transfer function and biased correlation of error. Fuzzy Iterative PID and PD controllers have been developed and tested within MATLAB Simulink interface for the control purpose of the developed ARX model. It was found that the Fuzzy Iterative PD controller had remarkably attenuated the vibration up to 66.67 dB and tends to converge faster which gives good implication to the vibrating system. |
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