Advances in Piezoelectric Transducers Part 11 ppt

... Acousto-Optic Interaction, Applications, Vol. 2, 446 p., Springer, Berlin Rytter, A. (1993). Vibration Based Inspection of Civil Engineering Structures. Department of Building Technology ... Monitoring. Structural Health Monitoring, DOI: 10 .117 7/1475921 7114 14234 (published online before print), pp. 1-14, ISSN 1475-9217 Cawley, P. (1997). Long Range Inspection of Structures Using .....

Ngày tải lên: 12/08/2014, 05:20

... compound-ring resonator in which a dual-coupler fiber ring is inserted into the main cavity. When combined in tandem with a mode-restricting intracavity tunable bandpass filter, the compound-ring ... controller. 3. Gain medium 3.1 Single gain medium Many gain media are suitable for single-wavelength lasing in a fiber cavity, including erbium-doped fiber amplifiers (EDFA) (Antoine...

Ngày tải lên: 19/06/2014, 23:20

... is 304 Advances in Analog Circuitsi Algorithm 2: Modified Branch and Bound(d inc ,D N , ˆ D N rel ) Input: incumbent d inc , parameter domain D N , relaxed domain ˆ D N rel 1if d inc solves the sizing ... is found is in general non-optimal in terms of the objective function. Taking into account that it is a binary decision if a certain point solves the sizing task or not, the branching...

Ngày tải lên: 20/06/2014, 06:20

... circuits constructing in Escherichia coli cells using the refined methods are described in detail. An assortment of synthetic circuits integrated into the genome working as design principles are ... host strain containing the plasmid of pKD46, encoding the recombinase. Electroporation is crucial. • Culturing in the rich medium (SOC) with 1 mM of arabinose, at 37˚C for 2 h. Quiet i...

Ngày tải lên: 22/06/2014, 03:20

... equation:   cos cosh cos cosh sin sinh . sin sinh nn nn n n n n nn kl kl Xx A kx kx kx kx kl kl    (11) Assuming zero initial conditions and taking into account that the deflection ...  sin , p C P U Ut t CZ     (36) Advances in Piezoelectric Transducers 38 Fig. 8. Arrangement of forces and bending moments acting on the cut out part of the beam and the...

Ngày tải lên: 12/08/2014, 04:22

... were introduced as: Advances in Piezoelectric Transducers 46 where W is a main matrix determinant and W A is a determinant of the matrix formed by replacing the first column in the main matrix ... three natural frequencies (in a half logarithmic scale) Advances in Piezoelectric Transducers 44 4.1.4 Discrete – continuous mathematical model taking into account a bend...

Ngày tải lên: 12/08/2014, 04:22

...  S  indicates a linearization at constant strain (IEEE, 1987). The stress within the substrate layer(s) is given simply by the linear stress- strain relationship 111 ,1s TcS  , where 11, s c ... bimorph beam with varying piezoelectric layer coverage starting from the base and extending to the point div x , the dividing line between the two segments. Note that the point transfer...

Ngày tải lên: 12/08/2014, 05:20

... structure containing symmetrical [19] and asymmetrical [20] discontinuities in a simple and a fast way. The key point is to decompose a given damage Advances in Piezoelectric Transducers ... remove the ef fects of the transducers and improve analysis of the wave propagation characteristics. 82 Advances in Piezoelectric Transducers Advances in Piezoelectric Tr...

Ngày tải lên: 12/08/2014, 05:20

... brief introduction to SHM is presented in Section 2, indicating its importance, the main fields of application and the main methodologies involved. The EMI technique is discussed in Section 3. In ... Advances in Piezoelectric Transducers 98 between the two points A and B. In fact, such a defect introduces local heterogeneity from an acoustic impedance change point of vie...

Ngày tải lên: 12/08/2014, 05:20

... Advances in Piezoelectric Transducers 108 ceramics combine the functions of sensor (direct piezoelectric effect) and actuator (reverse piezoelectric effect. In order to obtain the ... by Advances in Piezoelectric Transducers 110 Differentiating Equation (9) with respect to time 31 3 1 11 11 33 1 x udD T tsxt s t            (10) and con...

Ngày tải lên: 12/08/2014, 05:20