Broad-band active vibration suppression using PPF focussed on industrial application

A.J. Hamer, den, G.Z. Angelis, N.B. Roozen

Research output: Contribution to journalArticleAcademicpeer-review

17 Citations (Scopus)

Abstract

Due to the demand for higher accuracy and loweracoustic noise levels, there is a growing interest for activevibration suppression in industrial application. Many controlconcepts have been proposed in this field that are suited tointroduce damping in systems with a large number of modes.However tuning is often focussed on reduction of one dominantmode. Such control approaches are less transparent when severaldominant modes are involved.A combined loop-shaping and root-locus tuning approachis proposed to reduce several dominant modes with low-ordercontrollers. The tuning approach is experimentally evaluated ona vibrating plate using piezo’s for both sensing and actuating.Based on the given tuning rules and trade-offs, a SISO feedbackcontroller is designed and implemented. This low authoritycontrol approach shows that besides local performance, also theglobal damping of the plate is improved which consequentlyresults in reduction of vibration levels over the whole plate for abroad range of frequencies. As a results, acoustic noise radiationis reduced significantly.Index Terms—Active vibration suppression, analogue implementation,
Original languageEnglish
Pages (from-to)146-153
Number of pages8
JournalIEEE/ASME Transactions on Mechatronics
Volume10
Issue number2
DOIs
Publication statusPublished - 2005

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