Design Alterations of a High Power Air Transducer

Hedberg, Claes; Gazisaeidi, Hamid; Haller, Kristian; Mfoumou, Etienne

doi:10.1143/jjap.46.4908

Cited by 6 publications

(3 citation statements)

References 12 publications

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“…An additional advantage of piezoelectric sensors is that they can be manufactured in different shapes, such as rectangular [102], longitudinal [103], and circular [104,105]. These piezoelectric sensors are also flexible and can be adapted to the shape of the structure at their installation locations.…”

Section: Piezoelectric Sensorsmentioning

confidence: 99%

Damage Identification in Structural Health Monitoring: A Brief Review from its Implementation to the Use of Data-Driven Applications

Burgos

Vargas

Pedraza

et al. 2020

Sensors

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The damage identification process provides relevant information about the current state of a structure under inspection, and it can be approached from two different points of view. The first approach uses data-driven algorithms, which are usually associated with the collection of data using sensors. Data are subsequently processed and analyzed. The second approach uses models to analyze information about the structure. In the latter case, the overall performance of the approach is associated with the accuracy of the model and the information that is used to define it. Although both approaches are widely used, data-driven algorithms are preferred in most cases because they afford the ability to analyze data acquired from sensors and to provide a real-time solution for decision making; however, these approaches involve high-performance processors due to the high computational cost. As a contribution to the researchers working with data-driven algorithms and applications, this work presents a brief review of data-driven algorithms for damage identification in structural health-monitoring applications. This review covers damage detection, localization, classification, extension, and prognosis, as well as the development of smart structures. The literature is systematically reviewed according to the natural steps of a structural health-monitoring system. This review also includes information on the types of sensors used as well as on the development of data-driven algorithms for damage identification.

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Section: Piezoelectric Sensorsmentioning

confidence: 99%

Damage Identification in Structural Health Monitoring: A Brief Review from its Implementation to the Use of Data-Driven Applications

Burgos

Vargas

Pedraza

et al. 2020

Sensors

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“…[21][22][23][24][25] The designs of high power ultrasonic transducers for applications in each media have also been researched vigorously. [26][27][28][29][30][31][32][33][34] Many of these technologies have been widely used in industry. An ultrasonically forced insertion (USFI) is also one of these technologies.…”

Section: Introductionmentioning

confidence: 99%

Stress Analysis of Contact Surface in Ultrasonically Forced Insertion Process

Ono¹,

Aoyagi²,

Tamura³

et al. 2012

Jpn. J. Appl. Phys.

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To clarify the mechanism of an ultrasonically forced insertion (USFI), frictional stresses and displacements on the contact surface of a metal rod and a metal plate in the USFI process were analyzed by finite element method. Frictional stresses under two conditions were compared. One of the conditions was a horn and the metal rod moving with static displacement. The other was the horn and the metal rod moving with vibrational displacement. The amplitude and distribution of frictional stresses under the vibrational condition were small and almost flat, respectively. Axial and radial displacements of the plate and rod on the contact surface in a USFI process were also analyzed. As results, it was clarified that the USFI had the effect of reduction of frictional stress.

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“…However, the driving point of these acoustic sources is at the center of the vibrating plate, which interferes with the emission of acoustic waves in air and restricts the utilization of the acoustic sources in devices such as deodorizers. [5][6][7][8][9][10][11] In this study, a vibrating plate with a unique shape was developed to enhance the effectiveness of acoustic sources. Namely, the stripe-mode rectangular transverse vibrating plate was improved such that the driving point was outside the plate.…”

Section: Introductionmentioning

confidence: 99%

Aerial Ultrasonic Source Using Stripe-Mode Transverse Vibrating Plate with Jutting Driving Point

Miura¹,

Ishikawa²

2009

Jpn. J. Appl. Phys.

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It is suggested that frictional forces can be incorporated into quantum mechanics by using the adiabatic time dependent approximation. In particular it is shown that for a linear harmonoc oscillator the ratio between the square of the displacement of the damped and undamped harmonoc oscillator is the same as the ratio between the expectation values of the squares of the displacement of the damped and undamped harmonic oscillator.

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Design Alterations of a High Power Air Transducer

Cited by 6 publications

References 12 publications

Damage Identification in Structural Health Monitoring: A Brief Review from its Implementation to the Use of Data-Driven Applications

Damage Identification in Structural Health Monitoring: A Brief Review from its Implementation to the Use of Data-Driven Applications

Stress Analysis of Contact Surface in Ultrasonically Forced Insertion Process

Aerial Ultrasonic Source Using Stripe-Mode Transverse Vibrating Plate with Jutting Driving Point

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