A New Motor of Stick Type with Coupled Mechanical Vibration of Bimorph Beam and Frictional Force

• 作者: Hiroyuki Yaguchi
• 来源期刊: 工程(英文)(1947-3931)
• 学科: 数学
• 关键词: Frictional Force Flexible Material BIMORPH BEAM Resonance-Drive Vibration Mode
• 年，卷（期）: gc-eng_2015,（7）
• 页码范围: 446-454
• 页数: 9页
• 分类号: O1

摘要

This paper proposes a new non-magnetic motor with a rotor rotated by using the resonance energy of a bimorph cantilever beam excited by electrostatic force. The use of flexible material enables conversion of translational vibration to rotary movement in one direction. Basic characteristics of a prototype motor with two bimorph cantilever beams, such as rotational speed, output torque, and efficiency were determined experimentally. Results show that a maximum rotational speed of 2800 rpm was obtained without a load torque. It is also observed that this motor produces the output torque of 98 μNm when the rotational speed was 980 rpm. The maximum efficiency was 24% when the input power was 0.065 W.