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Mechanical design of embeddable micr...

Javidinejad, Amir.

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Mechanical design of embeddable micro-smart sensing systems (Embedded conductive film).

紀錄類型:	書目-電子資源 : Monograph/item
正題名/作者:	Mechanical design of embeddable micro-smart sensing systems (Embedded conductive film)./
作者:	Javidinejad, Amir.
面頁冊數:	111 p.
附註:	Source: Dissertation Abstracts International, Volume: 61-02, Section: B, page: 1046.
Contained By:	Dissertation Abstracts International61-02B.
標題:	Engineering, Mechanical. -
電子資源:	http://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=9962573
ISBN:	0599666307

Mechanical design of embeddable micro-smart sensing systems (Embedded conductive film).
Javidinejad, Amir.

Mechanical design of embeddable micro-smart sensing systems (Embedded conductive film). - 111 p.

Source: Dissertation Abstracts International, Volume: 61-02, Section: B, page: 1046.

Thesis (Ph.D.)--The University of Texas at Arlington, 1999.

In the world of micro-mechanical design of micro-sensors, up to date, there has not been substantial considerations given to the actual mechanical or structural aspect of the designs. Hence, most of the currently available designs are challenged to linearize the "non-linear" sensor's output by utilization of electronic circuitry. In this dissertation work, a micro-pressure diaphragm which possess linear pressure-deflection behavior is designed via FEM optimization techniques. The diaphragm is modeled as a Silicon <111> plane, which possess plane isotropic properties.

ISBN: 0599666307Subjects--Topical Terms:

783786
Engineering, Mechanical.

Mechanical design of embeddable micro-smart sensing systems (Embedded conductive film).
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300 $a 111 p.
500 $a Source: Dissertation Abstracts International, Volume: 61-02, Section: B, page: 1046.
500 $a Supervisor: Shiv P. Joshi.
502 $a Thesis (Ph.D.)--The University of Texas at Arlington, 1999.
520 $a In the world of micro-mechanical design of micro-sensors, up to date, there has not been substantial considerations given to the actual mechanical or structural aspect of the designs. Hence, most of the currently available designs are challenged to linearize the "non-linear" sensor's output by utilization of electronic circuitry. In this dissertation work, a micro-pressure diaphragm which possess linear pressure-deflection behavior is designed via FEM optimization techniques. The diaphragm is modeled as a Silicon <111> plane, which possess plane isotropic properties.
520 $a A circular center boss section is added to the diaphragm and optimization is carried out, to achieve an optimum diaphragm geometry that would allow for flat or rigid deflection of this boss section under the applied surface pressure loading. The approximate closed-form deflection solutions are developed using the anisotropic thin plate theory and the diaphragm deflection behavior of the FEM optimized design is compared with this thin plate theory model.
520 $a This diaphragm design is proposed to be used as the top electrode plate of a capacitive pressure sensor, where linear pressure-capacitance change behavior would become present. This pressure diaphragm has a pressure range of 0 to 206843 Pa (30 psi) with a pressure resolution of 689.5 Pa (0.1 psi).
520 $a Further research work was done, to prove that micro sensors would be ideal for embedding in composite structures for enhancement of smart sensing capabilities. In particular, commercially available Micro-Electro-Mechanical-Systems (MEMS) pressure and temperature sensors were embedded in carbon composites and the autoclave reliability of these sensors were investigated. In addition, this work was extended to the development of means for transmitting low power signals within carbon composites. Conductive thermoplastic adhesive film was used for this purpose and successful structural sensory were developed as a result of this work.
590 $a School code: 2502.
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