Design and Control of a Permanent Magnet RotLin Motor for New Foldable Photovoltaic Units
In this study, a new permanent magnet rotary-linear (RotLin) motor is proposed for foldable photovoltaic units. Firstly, the mechanical structure, operation principles and magnetic circuits of the motor are introduced, and a design procedure elaborated the parameters calculation in the linear part a...
| Main Authors: | , |
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| Format: | Article |
| Language: | English |
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MDPI AG
2019-05-01
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| Series: | Energies |
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| Online Access: | https://www.mdpi.com/1996-1073/12/10/1983 |
| _version_ | 1798043469103497216 |
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| author | Yu Zou Ka Wai Eric Cheng |
| author_facet | Yu Zou Ka Wai Eric Cheng |
| author_sort | Yu Zou |
| collection | DOAJ |
| description | In this study, a new permanent magnet rotary-linear (RotLin) motor is proposed for foldable photovoltaic units. Firstly, the mechanical structure, operation principles and magnetic circuits of the motor are introduced, and a design procedure elaborated the parameters calculation in the linear part and the rotary part. Finite element method (FEM) is used to analyze the magnetic field of the motor, and linear force outputs and torque outputs are obtained. Secondly, a control scheme is designed for the prototype of the motor including the position control and the speed control. The deformation on the mover and the magnetic coupling effect between the linear part and the rotational part are discussed. Finally, experimental results show that this motor can simultaneously realize a linear movement with continuous rotation. The linear poisoning accuracy can achieve 0.4 µm and the angular speed can be controlled with steady errors less than 3 rpm, proving the effectiveness of the proposed RotLin motor. |
| first_indexed | 2024-04-11T22:49:30Z |
| format | Article |
| id | doaj.art-071ff58840574d7c8162da289e1cb79e |
| institution | Directory Open Access Journal |
| issn | 1996-1073 |
| language | English |
| last_indexed | 2024-04-11T22:49:30Z |
| publishDate | 2019-05-01 |
| publisher | MDPI AG |
| record_format | Article |
| series | Energies |
| spelling | doaj.art-071ff58840574d7c8162da289e1cb79e2022-12-22T03:58:37ZengMDPI AGEnergies1996-10732019-05-011210198310.3390/en12101983en12101983Design and Control of a Permanent Magnet RotLin Motor for New Foldable Photovoltaic UnitsYu Zou0Ka Wai Eric Cheng1Power Electronics Research Center, Department of Electrical Engineering, The Hong Kong Polytechnic University, Hong Kong, ChinaPower Electronics Research Center, Department of Electrical Engineering, The Hong Kong Polytechnic University, Hong Kong, ChinaIn this study, a new permanent magnet rotary-linear (RotLin) motor is proposed for foldable photovoltaic units. Firstly, the mechanical structure, operation principles and magnetic circuits of the motor are introduced, and a design procedure elaborated the parameters calculation in the linear part and the rotary part. Finite element method (FEM) is used to analyze the magnetic field of the motor, and linear force outputs and torque outputs are obtained. Secondly, a control scheme is designed for the prototype of the motor including the position control and the speed control. The deformation on the mover and the magnetic coupling effect between the linear part and the rotational part are discussed. Finally, experimental results show that this motor can simultaneously realize a linear movement with continuous rotation. The linear poisoning accuracy can achieve 0.4 µm and the angular speed can be controlled with steady errors less than 3 rpm, proving the effectiveness of the proposed RotLin motor.https://www.mdpi.com/1996-1073/12/10/1983RotLin motorFEMcontrol schemepositioning accuracysolar tracking |
| spellingShingle | Yu Zou Ka Wai Eric Cheng Design and Control of a Permanent Magnet RotLin Motor for New Foldable Photovoltaic Units Energies RotLin motor FEM control scheme positioning accuracy solar tracking |
| title | Design and Control of a Permanent Magnet RotLin Motor for New Foldable Photovoltaic Units |
| title_full | Design and Control of a Permanent Magnet RotLin Motor for New Foldable Photovoltaic Units |
| title_fullStr | Design and Control of a Permanent Magnet RotLin Motor for New Foldable Photovoltaic Units |
| title_full_unstemmed | Design and Control of a Permanent Magnet RotLin Motor for New Foldable Photovoltaic Units |
| title_short | Design and Control of a Permanent Magnet RotLin Motor for New Foldable Photovoltaic Units |
| title_sort | design and control of a permanent magnet rotlin motor for new foldable photovoltaic units |
| topic | RotLin motor FEM control scheme positioning accuracy solar tracking |
| url | https://www.mdpi.com/1996-1073/12/10/1983 |
| work_keys_str_mv | AT yuzou designandcontrolofapermanentmagnetrotlinmotorfornewfoldablephotovoltaicunits AT kawaiericcheng designandcontrolofapermanentmagnetrotlinmotorfornewfoldablephotovoltaicunits |