Dynamic Characteristics of a Hydraulic Amplification Mechanism for Large Displacement Actuators Systems

被引：26

作者：

Arouette, Xavier ^{[1
]}

Matsumoto, Yasuaki ^{[1
]}

Ninomiya, Takeshi ^{[1
]}

Okayama, Yoshiyuki ^{[1
]}

Miki, Norihisa ^{[1
]}

机构：

[1] Keio Univ, Sch Integrated Design Engn, Kohoku Ku, Kanagawa 2238522, Japan

来源：

SENSORS | 2010年 / 10卷 / 04期

关键词：

hydraulic amplification; liquid encapsulation; dynamic actuation; tactile display; MEMS;

D O I：

10.3390/s100402946

中图分类号：

O65 [分析化学];

学科分类号：

070302 ; 081704 ;

摘要：

have developed a hydraulic displacement amplification mechanism (HDAM) and studied its dynamic response when combined with a piezoelectric actuator. The HDAM consists of an incompressible fluid sealed in a microcavity by two largely deformable polydimethylsiloxane (PDMS) membranes. The geometry with input and output surfaces having different cross-sectional areas creates amplification. By combining the HDAM with micro-actuators, we can amplify the input displacement generated by the actuators, which is useful for applications requiring large deformation, such as tactile displays. We achieved a mechanism offering up to 18-fold displacement amplification for static actuation and 12-fold for 55 Hz dynamic actuation.

引用

页码：2946 / 2956

页数：11

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