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dc.contributor.authorLiang, Keng-Weien_US
dc.contributor.authorHu, Jwu-Shengen_US
dc.date.accessioned2019-04-02T05:58:00Z-
dc.date.available2019-04-02T05:58:00Z-
dc.date.issued2019-01-01en_US
dc.identifier.issn1063-6536en_US
dc.identifier.urihttp://dx.doi.org/10.1109/TCST.2017.2761760en_US
dc.identifier.urihttp://hdl.handle.net/11536/148582-
dc.description.abstractIn certain applications, when the placement of sensors at the target location is not feasible, a common practice is to obtain the target information indirectly via sensors at other locations. This technique is known as virtual sensing (or soft sensing), and involves various signal processing techniques. Virtual sensing is applied to such systems to estimate the error signal for feedback control. However, issues regarding both stability and performance degradation become significant because the estimation is not precise. In this brief, we propose a virtual sensing control (VSC) method using a feedforward controller to compensate the mismatch between an error sensor and virtual sensor under the feedback control. The results show that when an independent noise source measurement is available, a feedforward controller is more appropriate than estimation as it maintains the stability of the feedback system while achieving a good performance enhancement. For such a VSC system, the design of both feedforward and feedback controllers is coupled. In this brief, we derive an optimal controller design method to maximize the noise reduction capability. We show the advantages of the proposed VSC method by applying it to the implementation of an active noise control system.en_US
dc.language.isoen_USen_US
dc.subjectActive noise controlen_US
dc.subjectsoft sensingen_US
dc.subjectvirtual sensingen_US
dc.titleOptimal Controller Design for Virtual Sensing With Independent Noise Source Measurementen_US
dc.typeArticleen_US
dc.identifier.doi10.1109/TCST.2017.2761760en_US
dc.identifier.journalIEEE TRANSACTIONS ON CONTROL SYSTEMS TECHNOLOGYen_US
dc.citation.volume27en_US
dc.citation.spage363en_US
dc.citation.epage369en_US
dc.contributor.department電子工程學系及電子研究所zh_TW
dc.contributor.departmentDepartment of Electronics Engineering and Institute of Electronicsen_US
dc.identifier.wosnumberWOS:000452618900028en_US
dc.citation.woscount0en_US
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