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The high-speed rotating superconducting rotor can be used as a high-precision inertial device to measure the angular position or angular velocity of the carrier. The mass eccentricity and spherical error of the superconducting rotor are the main error sources that affect the measurement accuracy. The more complex the structure of the superconducting rotor, the greater the mass eccentricity and spherical error caused by its production and assembly process are, and the lower the accuracy of its measurement of angular velocity. Based on this, in this work, an electromagnetic drive structure with a simple rotor structure is designed. And the torque generated by the stator on the superconducting rotor is studied through finite element method (FEM). The effects of the stator on vertical alignment and acceleration of the superconducting rotor are analyzed. Based on the research results of the superconducting rotor torque, a superconducting rotor drive method with integrated driving and vertical alignment is proposed, which achieves the driving and vertical alignment functions simultaneously through the stator coil, and corresponding stator control timing is designed. Finally, the torque distribution in the driving process of the proposed driving method is analyzed, and the driving effect is quantitatively analyzed based on the response characteristics of the stator system. The time for the superconducting rotor to be accelerated to 50 Hz under different conditions is calculated. The results show that the designed driving electromagnetic structure and the proposed integrated driving method of vertical alignment and driving can be used for vertical aligning and driving the superconducting rotor. The research results provide a reference for further optimizing the superconducting rotor structure and driving methods of superconducting rotors.
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Keywords:
- superconducting rotor /
- Meissner effect /
- integrated driving and alignment /
- electromagnetic drive
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Tang J Q, Zhao L, Luo J Y 2004 J. Projectiles Rockets Missiles Guidance 24 136
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[2] 胡新宁, 赵尚武, 王厚生, 王晖, 王秋良 2008 稀有金属材料与工程 37 436
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Hu X N, Zhao S W, Wang H S, Wang H, Wang Q L 2008 Rare Met. Mater. Eng. 37 436
Google Scholar
[3] 胡新宁, 王厚生, 王晖, 王秋良 2010 光学精密工程 18 169
Hu X N, Wang H S, Wang H, Wang Q L 2010 Opt. Precis. Eng. 18 169
[4] 江磊, 钟智勇, 仪德英, 张怀武 2014 仪器仪表学报 29 1115
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Jiang L, Zhong Z Y, Yi D Y, Zhang H W 2014 Chin. J. Sci. Instrum. 29 1115
Google Scholar
[5] 韩玉龙, 向楠 2017 高新技术企业 05 16
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Han Y L, Xiang N 2017 Chin. High-Tech Enterprise 05 16
Google Scholar
[6] 崔春艳, 胡新宁, 程军胜, 王晖, 王秋良 2014 物理学报 64 018403
Google Scholar
Cui C Y, Hu X N, Chen J S, Wang H, Wang Q L 2014 Acta Phys. Sin. 64 018403
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Tang J Q 2005 Ph. D. Dissertation (Harbin: Harbin Engineering University
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Google Scholar
[12] Schoch K F, Darrel B 1967 Adv. Cryog. Eng. 12 657
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Google Scholar
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Google Scholar
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Google Scholar
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Google Scholar
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Liu Y Z 1979 Electrostatic Gyroscope Dynamics (Beijing: Tsinghua University Press) pp21–23
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Wang S C, Zhang J 2001 Circuit Principle (Chongqing: Chongqing University Press) pp109–124
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图 1 超导转子四切面和八切面图
Figure 1. Four cutting planes and eight cutting planes of superconducting rotor.
图 2 超导转子四切面和八切面的驱动结构图
Figure 2. Structure of four cutting planes and eight cutting planes of superconducting rotor.
图 3 超导转子切削深度示意图
Figure 3. Schematic of cutting depth of superconducting rotor.
图 4 四切面不同切削深度下的驱动力矩
Figure 4. Driving torque under four cutting with different d.
图 5 八切面不同切削深度下的驱动力矩
Figure 5. Driving torque under eight cutting with different d
图 6 四切面和八切面的平均驱动力矩对比
Figure 6. Comparison of driving torque of rotor with four cutting surfaces and those with eight cutting surfaces.
图 7 超导转子结构图
Figure 7. Superconducting rotor structure.
图 8 通电25 A定子线圈产生磁场模值分布图
Figure 8. Magnetic flux density generated by stator coils energized 25 A.
图 9 通电10 A转子驱动力矩分布
Figure 9. Distribution of torque to rotor generated by stator coil energized 10 A.
图 10 超导转子赤道平面示意图
Figure 10. Diagram of the superconducting rotor equatorial plane.
图 11 超导转子绕任意赤道轴定中力矩分布图
Figure 11. Distribution diagram of the torque to make superconducting rotor erect.
图 12 超导转子的两种类型质量偏心图
Figure 12. Two types of mass eccentricity model diagram for superconducting rotor.
图 13 超导转子的定中力矩分布 (a) θ = 22.5°; (b) θ = 45°
Figure 13. Torque distribution to make superconducting rotor erect: (a) θ = 22.5°; (b) θ = 45°.
图 14 超导转子定中范围及平衡位置 (a) θ = 22.5°; (b) θ = 45°
Figure 14. Centering range and balance position for superconducting rotor: (a) θ = 22.5°; (b) θ = 45°.
图 15 超导转子在不同极偏角下的驱动力矩分布
Figure 15. Driving torque distribution with different inclination angles for superconducting rotor.
图 16 单路定子线圈通电的驱动力矩
Figure 16. Driving torque of the single-circuit stator coil energized with current.
图 17 半驱动角周期力矩积分与驱动电流的关系
Figure 17. Relationship between half cycle torque integration and driving current.
图 18 定中驱动一体化结构的驱动过程力矩分布
Figure 18. Torque distribution during the driving process.
图 19 逆时针旋转逻辑电路时序信号
Figure 19. Counterclockwise logic circuit control.
图 20 顺时针旋转逻辑电路时序信号
Figure 20. Clockwise logic circuit control signal.
图 21 转子花纹图案
Figure 21. Rotor pattern.
图 22 转速信号和八花纹信号的相位关系 (a) 逆时针旋转; (b) 顺时针旋转
Figure 22. Phase relationship between rotational speed signal and eight pattern signal: (a) Counterclockwise; (b) clockwise.
图 23 定中电流10 A和5 A时, 不同驱动电流的平均驱动力矩图
Figure 23. Average drive moment of different driving currents with another circuit energized 10 A and 5 A.
图 24 定子回路系统示意图
Figure 24. Schematic diagram of stator circuit system.
图 25 定子回路电流响应
Figure 25. Current response of stator circuit.
图 26 定中电流为10 A和5 A时, 不同驱动电流加转到50 Hz的时间
Figure 26. Time for the superconducting rotor to be accelerated to 50 Hz by applying different driving currents with centering current of 10 A and 5 A.
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[1] 汤继强, 赵琳, 罗俊艳 2004 弹箭与制导学报 24 136
Google Scholar
Tang J Q, Zhao L, Luo J Y 2004 J. Projectiles Rockets Missiles Guidance 24 136
Google Scholar
[2] 胡新宁, 赵尚武, 王厚生, 王晖, 王秋良 2008 稀有金属材料与工程 37 436
Google Scholar
Hu X N, Zhao S W, Wang H S, Wang H, Wang Q L 2008 Rare Met. Mater. Eng. 37 436
Google Scholar
[3] 胡新宁, 王厚生, 王晖, 王秋良 2010 光学精密工程 18 169
Hu X N, Wang H S, Wang H, Wang Q L 2010 Opt. Precis. Eng. 18 169
[4] 江磊, 钟智勇, 仪德英, 张怀武 2014 仪器仪表学报 29 1115
Google Scholar
Jiang L, Zhong Z Y, Yi D Y, Zhang H W 2014 Chin. J. Sci. Instrum. 29 1115
Google Scholar
[5] 韩玉龙, 向楠 2017 高新技术企业 05 16
Google Scholar
Han Y L, Xiang N 2017 Chin. High-Tech Enterprise 05 16
Google Scholar
[6] 崔春艳, 胡新宁, 程军胜, 王晖, 王秋良 2014 物理学报 64 018403
Google Scholar
Cui C Y, Hu X N, Chen J S, Wang H, Wang Q L 2014 Acta Phys. Sin. 64 018403
Google Scholar
[7] Hu X N, Wang Q L, Cui C Y 2010 IEEE Trans. Appl. Supercond. 20 892
Google Scholar
[8] Wang H, Hu X N, Cui C Y, Wang L, Wang Q L 2018 IEEE Trans. Appl. Supercond. 28 5207905
Google Scholar
[9] Schoch K F, Darrel B 1967 Proceedings of the 1966 Cryogenic Engineering Conference Colorado, America, 1967 June 13–15, p657
[10] 汤继强 2005 博士学位论文(哈尔滨: 哈尔滨工程大学)
Tang J Q 2005 Ph. D. Dissertation (Harbin: Harbin Engineering University
[11] Harding T H, Lawson D W 1968 AIAA J. 6 305
Google Scholar
[12] Schoch K F, Darrel B 1967 Adv. Cryog. Eng. 12 657
[13] Hu X N, Cui C Y, Wang H, Liu J H, Wang H S, Wang H, Dai Y M, Li Y, Cheng J S, Li L K, Feng Z K, Yan L G 2015 IEEE Trans. Appl. Supercond. 25 5201705
Google Scholar
[14] Cui C Y, Li L K, Hu X N, Wang H, Wang Q L 2015 Proceedings of 2015 IEEE International Conference on Applied Superconductivity and Electromagnetic Devices, Shanghai, November 20–23, 2015 p439
[15] Shang M X, Dai Y M, Wang Q L, Yu Y J, Zhao B Z, Kim K, Oh S 2006 IEEE Trans. Appl. Supercond. 16 1481
Google Scholar
[16] Hu X N, Wang Q L, Wang H S, Cui C Y, Liu J H 2012 IEEE Trans. Appl. Supercond. 22 3600904
Google Scholar
[17] Buchhold T A 1961 Cryogenics 1 203
Google Scholar
[18] 赵尚武, 胡新宁, 崔春燕, 王秋良 2008 稀有金属材料与工程 37 217
Google Scholar
Zhao S W, Hu X N, Cui C Y, Wang Q L 2008 Rare Met. Mater. Eng. 37 217
Google Scholar
[19] 刘延柱 1979 静电陀螺仪动力学(北京: 清华大学出版社)第21—23页)
Liu Y Z 1979 Electrostatic Gyroscope Dynamics (Beijing: Tsinghua University Press) pp21–23
[20] Cui C Y, Wang Q L, Zhao S W, Hu X N 2010 IEEE Trans. Appl. Supercond. 20 1763
Google Scholar
[21] 王生春, 张兢 2001 电路原理 (重庆: 重庆大学出版社) 第109—124页
Wang S C, Zhang J 2001 Circuit Principle (Chongqing: Chongqing University Press) pp109–124
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