Development of a Hybrid MEMS BLDC Micromotor

被引:33
作者
Merzaghi, Sebastiano [1 ]
Koechli, Christian [1 ]
Perriard, Yves [1 ]
机构
[1] Ecole Polytech Fed Lausanne, Integrated Actuators Lab, CH-1015 Lausanne, Switzerland
关键词
Brushless motors; microelectromechanical devices; microelectromechanical systems (MEMS); micromotors; permanent-magnet motors; OPTIMIZATION; MOTOR;
D O I
10.1109/TIA.2010.2090841
中图分类号
T [工业技术];
学科分类号
08 ;
摘要
This paper addresses the design of a new hybrid microelectromechanical systems (MEMS) micromotor. It is a small three-phase axial flux brushless dc (BLDC) motor. The stator is developed following the almost-standard CMOS technology rules used for MEMS manufacturing, and the coils have two copper layers. The rotor is made of a ring permanent magnet assembled over the stator chip. The stator design has been performed using an analytical model also presented in this paper. The microfabrication of the first prototypes is presented, followed by their characterization. With an efficiency of about 42% for an input power of 310 nW, this MEMS micromotor has very good performance and demonstrates the potential of electromagnetic systems at this scale.
引用
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页码:3 / 11
页数:9
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