期刊
IEEE TRANSACTIONS ON INDUSTRY APPLICATIONS
卷 54, 期 2, 页码 1273-1282出版社
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
DOI: 10.1109/TIA.2017.2766578
关键词
Actuator; design; direct drive; helical motor; linear motion; magnetic screw; rotary-linear (RotLin) machine
资金
- KAKENHI [16H02325]
- Grants-in-Aid for Scientific Research [16H02325] Funding Source: KAKEN
The future trend of mechanical systems is to substitute most of them by permanent magnet (PM) and/or electromagnetic based ones. This current research highlights a paradigm for future studies of the advanced direct-drivable safe and precise motion actuators, and headlines design, modeling, simulation, and implementation-based control of a novel RotLin (rotary-linear) radial gap helical machine. The machine is comprised of stator, midlayer rotor, and the inner layer translator. This is a hybrid of magnetic screw with a synchronousmotor by modifying the design concept. Structurally, it is made using smartly piecewise helical-shaped PM that are radially magnetized, and helically layered on both rotor and translator. This machine has a wide range of applications, it can be used for linear actuation or for wave energy harvesting. The three-dimensional finite element analysis simulation results and calculations confirmed the realization of rotary and linear motions. To confirm this model, a prototype was enacted and experimental verifications of its performance in terms of direct-drive position and speed control were conducted. This compact machine can realize high thrust-force densities when used as a linear actuator.
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