Results 201 to 210 of about 4,107 (256)
Theoretical modelling and optimization design of PMUT arrays for enhanced acoustic performance. [PDF]
Li Z +14 more
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Development of an Equivalent Circuit to Analyze the Receiving Characteristics of a Class IV Flextensional Transducer. [PDF]
Kang E, Roh Y.
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A polymer-based MEMS loudspeaker featuring a partially stiffened membrane actuated by a PZT thin film. [PDF]
Liechti R +3 more
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Cross-scale high-bandwidth atomic force microscopy with a stick-slip nanopositioner. [PDF]
Wang X +5 more
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SPL and THD improvement of a cantilever-diaphragm piezoelectric MEMS loudspeaker with Double-S actuators. [PDF]
Zheng Q +7 more
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V-stack piezoelectric actuator
SPIE Proceedings, 2001Aeroelastic control of wings by means of a distributed, trailing-edge control surface is of interest with regards to maneuvers, gust alleviation, and flutter suppression. The use of high energy density, piezoelectric materials as motors provides an appealing solution to this problem. A comparative analysis of the state of the art actuators is currently
Emil V. Ardelean, Robert L. Clark
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Study on Piezoelectric Stacked Generator
Advanced Materials Research, 2011A piezoelectric generator based on the piezoelectric stacked elements is applied to realize electro- mechanical energy conversion in this paper. The piezoelectric stacked generator is constructed. The relational expression about output electrical characteristic parameters, the constructional dimension parameters of piezoelectric stack elements and ...
Wei Lin, Zhe Li, Wen Chen, Jing Zhou
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Passive shunt damping of a piezoelectric stack nanopositioner
Proceedings of the 2010 American Control Conference, 2010The speed and accuracy of nanopositioning systems is heavily influenced by the presence of lightly damped mechanical resonances. In this work, an electrical impedance is connected in series with the driving piezoelectric stack actuator to damp the first mechanical resonance.
Arnfinn Aas Eielsen, Andrew J. Fleming
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Piezoelectric ceramic stacks for underwater transducers
2015 IEEE Underwater Technology (UT), 2015An analytical model is presented of a stack of annular rings used in underwater Tonpilz and Flextensional transducers to radiate high acoustic power. The length of each ring is much less than the average diameter. The model is based on exact solutions to exact piezoelectric governing equations for rings. Boundary and continuity conditions are satisfied
P.A. Nishamol, D.D. Ebenezer
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