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Study on Miniaturized Tri-Axis Heat Convection Accelerometer with Experimental Validation

Phan, Hoa Thanh and Dinh, Thien Xuan and Bui, Phong Nhu and Tran, Canh-Dung and Bui, Thanh Tung and Dang, Lam Bao and Dau, Van Thanh (2018) Study on Miniaturized Tri-Axis Heat Convection Accelerometer with Experimental Validation. In: 2018 IEEE 13th Annual International Conference on Nano/Micro Engineered and Molecular Systems (NEMS).

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We present a study on tri-axis heat convective accelerometer, which is designed with the closed-loop type heat source and thermal sensing hotwire elements. The closed-loop heat source enhances the convective flow to the central part, where a hotwire is placed, to measure the vertical component of acceleration. The simulation was conducted using numerical analysis, and the device was prototyped by additive manufacturing. The device, functioning as a tilt sensor and an accelerometer, was tested up to acceleration of 10g. The experiments were successfully conducted and the experimental results agreed reasonably with those obtained by numerical analysis. The results demonstrated that the closed-loop heat source could reduce the cross effect between the acceleration components.

Item Type: Conference or Workshop Item (Paper)
Subjects: Electronics and Communications
Electronics and Communications > Electronics and Computer Engineering
Divisions: Center for Electronics and Telecommunications Research (CETR)
Faculty of Electronics and Telecommunications (FET)
Depositing User: Bùi Thanh Tùng
Date Deposited: 09 Dec 2019 07:02
Last Modified: 09 Dec 2019 07:02

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