基于E型圆膜片的复合差动谐振式敏感元件
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TP212

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国家自然科学基金(50275009)和航空科学基金(02I51018)资助


The Thermally Excited Resonant Silicon Micro Structural Pressure Sensor
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    摘要:

    对以E型圆膜片为一次敏感元件、一对对称的硅梁谐振子为二次敏感元件的复合差动敏感元件的力学特性进行了分析。给出了其敏感压力、差压、集中力与加速度时,梁谐振子固有频率随被测量变化的解析计算模型。

    Abstract:

    Based on a novel resonant sensitive micro structure, whose preliminary sensing component is an E-type round diaphragm and the final sensing component is a pair of beam resonators which are located at the inner and outer edges of the E-type round diaphragm, respectively. The unique advantage of this sensing structure is that the differential measuring mechanism can be realized and some measurands, such as absolute pressure, differential pressure, concentrated force and the acceleration. The relationship between the natural frequencies of the beam resonators and the measurands are presented.

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樊尚春 乔少杰. 基于E型圆膜片的复合差动谐振式敏感元件[J]. 科学技术与工程, 2005, (5): 313-315.
FAN Shangchun, QIAO Shaojie. The Thermally Excited Resonant Silicon Micro Structural Pressure Sensor[J]. Science Technology and Engineering,2005,(5):313-315.

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  • 最后修改日期:2004-11-12
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