000015000 001__ 15000 000015000 005__ 20161115100208.0 000015000 04107 $$aeng 000015000 046__ $$k2016-08-21 000015000 100__ $$aYabuno, Hiroshi 000015000 24500 $$aSelf-excited microcantilevers for sensing applications 000015000 24630 $$n24.$$p24th International Congress of Theoretical and Applied Mechanics - Book of Papers 000015000 260__ $$bInternational Union of Theoretical and Applied Mechanics, 2016 000015000 506__ $$arestricted 000015000 520__ $$2eng$$aIn the measurement procedure of vibrating-type sensing systems, the frequency response curve under external or forced excitation has been conventionally used. For instance, viscosity measurement and mass sensing are preformed from the estimation of difference in the Q-value related to the resonance amplitude and of shift in the resonance frequency, respectively. However, in the high viscosity range, it is very difficult to accurately measure these values. To overcome such difficulties, we propose the utilization of self-excited oscillation without relying on the frequency response curve; the positive velocity feedback is applied to compensate the damping force and to produce the self-excited oscillation. In the presentation, we introduce some measurement systems using self-excited microcantilevers as ultra-sensitive mass sensor, viscometer for high viscosity sensing, and AFM. 000015000 540__ $$aText je chráněný podle autorského zákona č. 121/2000 Sb. 000015000 653__ $$a 000015000 7112_ $$a24th International Congress of Theoretical and Applied Mechanics$$cMontreal (CA)$$d2016-08-21 / 2016-08-26$$gICTAM2016 000015000 720__ $$aYabuno, Hiroshi 000015000 8560_ $$ffischerc@itam.cas.cz 000015000 8564_ $$s77508$$uhttps://invenio.itam.cas.cz/record/15000/files/TS.MS04-5.01.pdf$$yOriginal version of the author's contribution as presented on CD, page 146, code TS.MS04-5.01 . 000015000 962__ $$r13812 000015000 980__ $$aPAPER