Permanent Magnet Motor Design for Satellite Attitude Control With High Torque Density and Low Torque Ripple
This paper proposes a high-precision permanent magnet (PM) motor primarily used for the satellite attitude control. Considering aerospace applications, the dynamic response, weight and torque ripple are primarily concerns. To achieve the fast response and low ripple, a stator with slotless windings...
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| Format: | Article |
| Language: | English |
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IEEE
2020-01-01
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| Series: | IEEE Access |
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| Online Access: | https://ieeexplore.ieee.org/document/9024037/ |
| _version_ | 1818445561142968320 |
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| author | Po-Huan Chou Shih-Chin Yang Ciao-Jhen Jhong Jen-I Huang Jyun-You Chen |
| author_facet | Po-Huan Chou Shih-Chin Yang Ciao-Jhen Jhong Jen-I Huang Jyun-You Chen |
| author_sort | Po-Huan Chou |
| collection | DOAJ |
| description | This paper proposes a high-precision permanent magnet (PM) motor primarily used for the satellite attitude control. Considering aerospace applications, the dynamic response, weight and torque ripple are primarily concerns. To achieve the fast response and low ripple, a stator with slotless windings is designed to achieve the ripple free torque production. However, slotless windings contain visible leakage fluxes which might decrease the torque production. In this paper, several design methods are proposed to decrease leakage fluxes by concentrating the flux linkage under slotless topology. First, leakage fluxes caused by slotless windings are minimized through the radial-flux dual-rotor topology. This topology results in the flux linkage concentration in the air gap because two rotors are used separately for flux transmitter and receiver. It is concluded that the dual-rotor is well suited for a slotless windings motor to maximize the air gap flux linkage. Second, Halbach array magnets are chosen to realize the sinusoidal flux linkage distribution. Different array angles are analyzed to minimize the torque ripple. It is shown that the 22.5deg array angle results in the lowest torque ripple among three different Halbach magnets. More importantly, the average torque output is higher comparing to conventional radial magnet magnetization. Although several optimization methods have been developed on the motor geometric design, very few researches focus on the design of dual-rotor slotless windings and air gap length. This design approach further decreases leakage fluxes. In this paper, finite element analysis (FEA) is used for the satellite motor design. In addition, a motor prototype is built for experimental tests. |
| first_indexed | 2024-12-14T19:33:47Z |
| format | Article |
| id | doaj.art-6453337c91444ac5a330e011eb117211 |
| institution | Directory Open Access Journal |
| issn | 2169-3536 |
| language | English |
| last_indexed | 2024-12-14T19:33:47Z |
| publishDate | 2020-01-01 |
| publisher | IEEE |
| record_format | Article |
| series | IEEE Access |
| spelling | doaj.art-6453337c91444ac5a330e011eb1172112022-12-21T22:50:00ZengIEEEIEEE Access2169-35362020-01-018485874859810.1109/ACCESS.2020.29782489024037Permanent Magnet Motor Design for Satellite Attitude Control With High Torque Density and Low Torque RipplePo-Huan Chou0Shih-Chin Yang1https://orcid.org/0000-0002-5218-4994Ciao-Jhen Jhong2Jen-I Huang3Jyun-You Chen4Industrial Technology Research Institute, Hsinchu, TaiwanDepartment of Mechanical Engineering, National Taiwan University, Taipei, TaiwanDepartment of Mechanical Engineering, National Taiwan University, Taipei, TaiwanDepartment of Mechanical Engineering, National Taiwan University, Taipei, TaiwanDepartment of Mechanical Engineering, National Taiwan University, Taipei, TaiwanThis paper proposes a high-precision permanent magnet (PM) motor primarily used for the satellite attitude control. Considering aerospace applications, the dynamic response, weight and torque ripple are primarily concerns. To achieve the fast response and low ripple, a stator with slotless windings is designed to achieve the ripple free torque production. However, slotless windings contain visible leakage fluxes which might decrease the torque production. In this paper, several design methods are proposed to decrease leakage fluxes by concentrating the flux linkage under slotless topology. First, leakage fluxes caused by slotless windings are minimized through the radial-flux dual-rotor topology. This topology results in the flux linkage concentration in the air gap because two rotors are used separately for flux transmitter and receiver. It is concluded that the dual-rotor is well suited for a slotless windings motor to maximize the air gap flux linkage. Second, Halbach array magnets are chosen to realize the sinusoidal flux linkage distribution. Different array angles are analyzed to minimize the torque ripple. It is shown that the 22.5deg array angle results in the lowest torque ripple among three different Halbach magnets. More importantly, the average torque output is higher comparing to conventional radial magnet magnetization. Although several optimization methods have been developed on the motor geometric design, very few researches focus on the design of dual-rotor slotless windings and air gap length. This design approach further decreases leakage fluxes. In this paper, finite element analysis (FEA) is used for the satellite motor design. In addition, a motor prototype is built for experimental tests.https://ieeexplore.ieee.org/document/9024037/Satellite controlreaction wheel and radial flux motor |
| spellingShingle | Po-Huan Chou Shih-Chin Yang Ciao-Jhen Jhong Jen-I Huang Jyun-You Chen Permanent Magnet Motor Design for Satellite Attitude Control With High Torque Density and Low Torque Ripple IEEE Access Satellite control reaction wheel and radial flux motor |
| title | Permanent Magnet Motor Design for Satellite Attitude Control With High Torque Density and Low Torque Ripple |
| title_full | Permanent Magnet Motor Design for Satellite Attitude Control With High Torque Density and Low Torque Ripple |
| title_fullStr | Permanent Magnet Motor Design for Satellite Attitude Control With High Torque Density and Low Torque Ripple |
| title_full_unstemmed | Permanent Magnet Motor Design for Satellite Attitude Control With High Torque Density and Low Torque Ripple |
| title_short | Permanent Magnet Motor Design for Satellite Attitude Control With High Torque Density and Low Torque Ripple |
| title_sort | permanent magnet motor design for satellite attitude control with high torque density and low torque ripple |
| topic | Satellite control reaction wheel and radial flux motor |
| url | https://ieeexplore.ieee.org/document/9024037/ |
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