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Content Provider | IEEE Xplore Digital Library |
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Author | Niino, T. Egawa, S. Higuchi, T. |
Copyright Year | 1993 |
Description | Author affiliation: Dept. of Precision Mach. Eng., Tokyo Univ., Japan (Niino, T.; Egawa, S.) |
Abstract | The authors have previously developed two types of concatenated electrostatic actuators which are driven by pulse excitation profiles. One of these actuators had excellent performance, but the efficiency of the driving circuit for the actuator was insufficient for practical applications. To improve the efficiency, an electrostatic actuator that can be driven by an AC excitation profile was developed. This linear surface-drive actuator weighs 7 g and consists of a thin slider and a stator. Each element has three-phase electrodes with the same pitch, and a three-phase AC driver connected to the electrodes operates the actuator. The efficiency is enhanced by a factor of approximately four. In addition, force and power generation performance is also improved; it produces 1.6 W of power and a 4.4-N propulsive force. The power/weight ratio is improved by a factor of about three, reaching 230 W/kg. |
Starting Page | 236 |
Ending Page | 241 |
File Size | 478898 |
Page Count | 6 |
File Format | |
ISBN | 078030957X |
DOI | 10.1109/MEMSYS.1993.296916 |
Language | English |
Publisher | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
Publisher Date | 1993-02-10 |
Access Restriction | Subscribed |
Rights Holder | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
Subject Keyword | Electrostatic actuators Electrodes Stators Concatenated codes Hydraulic actuators Electromagnetic forces Servomotors Fabrication Power generation DC motors |
Content Type | Text |
Resource Type | Article |
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