CN116073615A - Rotary and linear motion motor based on axial magnetic flux and working method thereof - Google Patents
Rotary and linear motion motor based on axial magnetic flux and working method thereof Download PDFInfo
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- CN116073615A CN116073615A CN202310238843.4A CN202310238843A CN116073615A CN 116073615 A CN116073615 A CN 116073615A CN 202310238843 A CN202310238843 A CN 202310238843A CN 116073615 A CN116073615 A CN 116073615A
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- linear motion
- magnetic flux
- axial magnetic
- flux
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- 230000004907 flux Effects 0.000 title claims abstract description 133
- 238000000034 method Methods 0.000 title claims abstract description 9
- 238000004804 winding Methods 0.000 claims abstract description 27
- 230000008878 coupling Effects 0.000 abstract description 6
- 238000010168 coupling process Methods 0.000 abstract description 6
- 238000005859 coupling reaction Methods 0.000 abstract description 6
- 238000004519 manufacturing process Methods 0.000 description 4
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 3
- 230000005284 excitation Effects 0.000 description 3
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
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Classifications
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K16/00—Machines with more than one rotor or stator
- H02K16/04—Machines with one rotor and two stators
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K21/00—Synchronous motors having permanent magnets; Synchronous generators having permanent magnets
- H02K21/12—Synchronous motors having permanent magnets; Synchronous generators having permanent magnets with stationary armatures and rotating magnets
- H02K21/14—Synchronous motors having permanent magnets; Synchronous generators having permanent magnets with stationary armatures and rotating magnets with magnets rotating within the armatures
- H02K21/16—Synchronous motors having permanent magnets; Synchronous generators having permanent magnets with stationary armatures and rotating magnets with magnets rotating within the armatures having annular armature cores with salient poles
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K21/00—Synchronous motors having permanent magnets; Synchronous generators having permanent magnets
- H02K21/12—Synchronous motors having permanent magnets; Synchronous generators having permanent magnets with stationary armatures and rotating magnets
- H02K21/24—Synchronous motors having permanent magnets; Synchronous generators having permanent magnets with stationary armatures and rotating magnets with magnets axially facing the armatures, e.g. hub-type cycle dynamos
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K41/00—Propulsion systems in which a rigid body is moved along a path due to dynamo-electric interaction between the body and a magnetic field travelling along the path
- H02K41/02—Linear motors; Sectional motors
- H02K41/03—Synchronous motors; Motors moving step by step; Reluctance motors
- H02K41/031—Synchronous motors; Motors moving step by step; Reluctance motors of the permanent magnet type
Abstract
The invention provides a motor capable of rotating and linearly moving based on axial magnetic flux and a working method thereof, and the motor comprises an axial magnetic flux stator core, an axial magnetic flux winding, an axial magnetic flux permanent magnet, a movable rotor, a linearly moving stator and a linearly moving permanent magnet; the movable rotor comprises a cylindrical part, two protruding circular rings and a protruding disc, and a clamping groove is formed between the two protruding circular rings; an axial magnetic flux permanent magnet is fixed on the protruding disc; the inner side of the yoke part of the axial magnetic flux stator core extends into the clamping groove; axial flux windings are wound on the teeth of the axial flux stator core, and the axial flux windings and the axial flux permanent magnets form pole slot coordination; a plurality of linear motion permanent magnets are stuck on the inner surface of the cylindrical part at equal intervals, and the linear motion stator and the linear motion permanent magnets form proper pole slot matching. The coupling of the linear traveling wave magnetic field and the rotating magnetic field of the linear motor can be eliminated, the thrust fluctuation can be reduced, and the linear traveling wave magnetic field and the rotating magnetic field can be applied to occasions needing high-speed rotating motion.
Description
Technical Field
The invention relates to the technical field of motors, in particular to a motor capable of rotating and linearly moving based on axial magnetic flux and a working method thereof.
Background
The statements in this section merely provide background information related to the present disclosure and may not necessarily constitute prior art.
With the rapid development of the equipment manufacturing industry, the requirement of the industry field for a multi-degree-of-freedom driving system is increasing, and particularly in the high-end equipment manufacturing field, the application prospect of the rotary linear motor is becoming wider, such as chip manufacturing, machine joint driving and the like.
The traditional rotary linear drive is combined by using a plurality of motors and gears, but the system has the advantages of complex structure, large error and low precision, and can not meet the requirements of the high-end equipment manufacturing field on high precision and high dynamic response, and the rotary linear motor can effectively solve the problems.
However, the current rotary linear motor has the following problems: the coupling of the linear traveling wave magnetic field and the rotating magnetic field of the combined rotating linear motor is reduced, but the thrust fluctuation is large; the magnetic coupling type rotary linear motor is characterized in that a linear traveling wave magnetic field and a rotary magnetic field are coupled, and decoupling control is complex.
Disclosure of Invention
In order to solve the defects of the prior art, the invention provides the motor capable of rotating and linearly moving based on the axial magnetic flux and the working method thereof, which can eliminate the coupling of the linear traveling wave magnetic field and the rotating magnetic field of the linear motor, reduce the thrust fluctuation, and can be applied to occasions needing high-speed rotating movement by using the axial magnetic flux structure.
In order to achieve the above purpose, the present invention adopts the following technical scheme:
the first aspect of the invention provides a rotatable and linear motor based on axial magnetic flux.
The motor capable of rotating and linearly moving based on axial magnetic flux comprises an axial magnetic flux stator core, an axial magnetic flux winding, an axial magnetic flux permanent magnet, a movable rotor, a linearly moving stator and a linearly moving permanent magnet;
the movable rotor comprises a cylindrical part, two protruding circular rings and a protruding disc, wherein the two protruding circular rings and the protruding disc are arranged on the outer surface of the cylindrical part, and a clamping groove is formed between the two protruding circular rings; a plurality of axial magnetic flux permanent magnets are fixed on the surface of the protruding disc, which is close to the protruding circular ring;
the inner side of the yoke part of the axial magnetic flux stator core extends into the clamping groove between the two protruding rings and is movably connected with the clamping groove; the axial magnetic flux stator core teeth are wound with the axial magnetic flux windings, and the axial magnetic flux windings and the axial magnetic flux permanent magnets form pole slot coordination;
the inner surface of the cylindrical part is stuck with a plurality of linear motion permanent magnets at equal intervals, a linear motion stator is arranged in the linear motion permanent magnets, and the linear motion stator and the linear motion permanent magnets form proper pole slot matching.
Further, the linear motion permanent magnets are magnetized in the radial direction, and the magnetizing directions of two adjacent linear motion permanent magnets are opposite.
Further, the linear motion stator is composed of a disc-shaped linear motion stator core and a disc-shaped linear motion stator winding clamped between the linear motion stator cores.
Further, the axial flux permanent magnets are magnetized in the axial direction, and the magnetizing directions of two adjacent axial flux permanent magnets are opposite.
Further, the number of the axial flux permanent magnets is even.
Further, the device also comprises a shell with a groove;
the inner side of the shell with the groove is provided with axial grooves which are uniformly distributed along the circumference.
Further, the outer sides of the axial magnetic flux stator core yoke part and the axial magnetic flux stator core tooth part are respectively provided with an outward protrusion, and the outward protrusions of the axial magnetic flux stator core yoke part and the axial magnetic flux stator core tooth part are respectively matched with the axial grooves.
Further, the outward projection of the axial flux stator core teeth and the outward projection of the axial flux stator core yoke overlap in axial projection.
Further, the diameters of the two protruding rings are identical, and the diameter of the protruding disk is larger than the diameter of the protruding ring.
A second aspect of the invention provides a method of operating an axial flux based rotatable and linear motor according to the first aspect, comprising the steps of:
after the disc-shaped linear motion stator is properly excited, the axial magnetic flux stator core, the axial magnetic flux winding, the axial magnetic flux permanent magnet, the movable rotor and the linear motion permanent magnet are driven to synchronously and linearly move;
after the axial magnetic flux winding is properly excited, the axial magnetic flux permanent magnet, the movable rotor and the linear motion permanent magnet are driven to synchronously rotate.
Compared with the prior art, the invention has the beneficial effects that:
the motor capable of rotating and linearly moving based on the axial magnetic flux has small coupling degree of the linear traveling wave magnetic field and the rotating magnetic field, reduces thrust fluctuation, facilitates decoupling control of the motor, and can be applied to occasions requiring high-speed rotating movement due to the use of an axial magnetic flux structure.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention.
FIG. 1 is a half cross-sectional view of an axial flux based rotary and linear motion electric machine according to embodiment 1 of the present invention;
FIG. 2 is a quarter view in section of an axial flux stator yoke of an axial flux based rotary and linear motion electric machine of embodiment 1 of the present invention;
FIG. 3 is a full view of the moving rotor of embodiment 1 of the present invention;
fig. 4 is a full view of an axial flux stator according to embodiment 1 of the present invention.
Wherein, 1, an axial magnetic flux stator core, 2, an axial magnetic flux winding, 3, an axial magnetic flux permanent magnet, 4, a movable rotor, 5, a linear motion stator, 6, a linear motion permanent magnet, 7, a shell with grooves, 11 and the tooth parts of the axial magnetic flux stator core are outwards protruded, 12, an outward protrusion of an axial magnetic flux stator core yoke, 13, an axial magnetic flux stator yoke, 41, a protruding ring, 42, a protruding disc, 51, a linear motion stator winding, 52, a linear motion stator core, 71, and an axial slot.
Detailed Description
The invention will be further described with reference to the drawings and examples.
It should be noted that the following detailed description is exemplary and is intended to provide further explanation of the invention. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs.
In the present invention, terms such as "upper", "lower", "left", "right", "front", "rear", "vertical", "horizontal", "side", "bottom", etc. refer to an orientation or a positional relationship based on that shown in the drawings, and are merely relational terms, which are used for convenience in describing structural relationships of various components or elements of the present invention, and do not denote any one of the components or elements of the present invention, and are not to be construed as limiting the present invention.
Embodiments of the invention and features of the embodiments may be combined with each other without conflict.
Example 1
As shown in fig. 1 and 2, embodiment 1 of the present invention provides a rotatable and rectilinear motion motor based on axial magnetic flux, including: an axial flux stator core 1, an axial flux winding 2, an axial flux permanent magnet 3, a moving rotor 4, a linear motion stator 5, a linear motion permanent magnet 6 and a grooved housing 7.
As shown in fig. 3, the rotor 4 includes a cylindrical member, and two protruding rings 41 and a protruding disk 42 provided on the outer surface of the cylindrical member, and the diameters of the two protruding rings 41 are identical, the diameter of the protruding disk 42 is larger than that of the protruding ring 41, the protruding disk 42 can serve as a rotor of axial magnetic flux, and a plurality of axial magnetic flux permanent magnets 3 generating axial exciting magnetic fields are uniformly adhered/fixed circumferentially on the side of the protruding disk 42 facing the protruding ring 41.
The axial flux permanent magnet 3 is a normal permanent magnet, and is used to generate an axial exciting magnetic field in the present embodiment, and is therefore called an axial flux permanent magnet.
A clamping groove is formed between two protruding rings 41 on the outer surface of the cylindrical part of the rotor 4, and the clamping groove width is slightly larger than the thickness of the yoke 13 of the axial magnetic flux stator core 1.
The inner side of the yoke part 13 of the axial magnetic flux stator core 1 stretches into the clamping groove between the two protruding circular rings 41, the yoke part 13 of the axial magnetic flux stator core 1 is movably connected with the two protruding circular rings 41 on the outer side surface of the cylindrical part of the movable rotor 4, the axial magnetic flux stator core 1 and the movable rotor 4 synchronously move when the movable rotor 4 moves linearly, the axial magnetic flux stator core 1 is static when the movable rotor 4 rotates, the axial magnetic flux air gap can be kept unchanged, and the control is convenient.
The linear motion permanent magnets 6 are circular, are uniformly stuck on the inner side surface of the cylindrical part of the movable rotor 4 at equal intervals, are magnetized in the radial direction, and the magnetizing directions of two adjacent linear motion permanent magnets 6 are opposite, namely, a plurality of radial magnetized linear motion permanent magnets 6 are stuck on the inner surface of the cylindrical part at equal intervals.
The linear motion permanent magnet 6 is internally provided with a linear motion stator 5, the linear motion stator 5 is composed of a disc-shaped linear motion stator iron core 52 and a disc-shaped linear motion stator winding 51 clamped between the linear motion stator iron cores 52, the linear motion stator 5 and the linear motion permanent magnet 6 form proper pole slot matching, a disc-shaped linear motion stator winding 51 in the disc-shaped linear motion stator 5 generates a linear traveling wave magnetic field after proper excitation is applied, and the linear motion stator winding and an excitation magnetic field generated by the linear motion permanent magnet interact to drive the axial magnetic flux stator iron core 1, the axial magnetic flux winding 2, the axial magnetic flux permanent magnet 3, the movable rotor 4 and the linear motion permanent magnet 6 to synchronously and linearly move.
The inner side of the grooved shell 7 is provided with axial grooves 71, the axial grooves 71 are uniformly distributed along the circumference, and the number of the grooves is equal to the number of teeth of the axial magnetic flux stator core 1.
As shown in fig. 4, the outward protrusions of the axial magnetic flux stator core yoke 13 and the axial magnetic flux stator core teeth are each formed with an outward protrusion 11 of the axial magnetic flux stator core teeth and an outward protrusion 12 of the axial magnetic flux stator core yoke overlap in axial projection, and the outward protrusions of the axial magnetic flux stator core yoke 13 and the axial magnetic flux stator core teeth are each engaged with the axial groove 71.
The axial magnetic flux stator core 1 is slidably connected with the grooved shell 7, the axial magnetic flux stator core 1 can axially linearly slide relative to the grooved shell 7 when the movable rotor 4 moves linearly, and the axial magnetic flux stator and the grooved shell 7 are stationary when the movable rotor 4 rotates.
The axial flux permanent magnets 3 are magnetized in the axial direction, the magnetizing directions of two adjacent axial flux permanent magnets 3 are opposite, and the number of the axial flux permanent magnets 3 is even.
The axial flux stator core 1 is provided with teeth, an axial flux winding 2 is wound on the teeth, and is matched with an axial flux permanent magnet 3 to form a proper pole slot, after the axial flux winding 2 is applied with proper excitation, a rotating magnetic field is generated, and the rotating magnetic field interacts with an axial exciting magnetic field generated by the axial flux permanent magnet, so that the axial flux permanent magnet 3, a movable rotor 4 and a linear motion permanent magnet 6 can be driven to synchronously rotate.
The motor based on axial magnetic flux and capable of rotating and linearly moving is small in coupling degree of a linear traveling wave magnetic field and a rotating magnetic field, thrust fluctuation is reduced, decoupling control of the motor is facilitated, and the motor can be further applied to occasions requiring high-speed rotating movement due to the use of an axial magnetic flux structure (an axial magnetic flux stator core, an axial magnetic flux winding and an axial magnetic flux permanent magnet), so that the motor can meet the application occasions of high-speed motors with axial distance change.
Example 2
after the disc-shaped linear motion stator is properly excited, the axial magnetic flux stator core, the axial magnetic flux winding, the axial magnetic flux permanent magnet, the movable rotor and the linear motion permanent magnet are driven to synchronously and linearly move;
after the axial magnetic flux winding is properly excited, the axial magnetic flux permanent magnet, the movable rotor and the linear motion permanent magnet are driven to synchronously rotate.
The above description is only of the preferred embodiments of the present invention and is not intended to limit the present invention, but various modifications and variations can be made to the present invention by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. An electric machine based on axial magnetic flux and capable of rotating and moving linearly, characterized in that: the device comprises an axial magnetic flux stator core, an axial magnetic flux winding, an axial magnetic flux permanent magnet, a movable rotor, a linear motion stator and a linear motion permanent magnet;
the movable rotor comprises a cylindrical part, two protruding circular rings and a protruding disc, wherein the two protruding circular rings and the protruding disc are arranged on the outer surface of the cylindrical part, and a clamping groove is formed between the two protruding circular rings; a plurality of axial magnetic flux permanent magnets are fixed on the surface of the protruding disc, which is close to the protruding circular ring;
the inner side of the yoke part of the axial magnetic flux stator core extends into the clamping groove between the two protruding rings and is movably connected with the clamping groove; the axial magnetic flux stator core teeth are wound with the axial magnetic flux windings, and the axial magnetic flux windings and the axial magnetic flux permanent magnets form pole slot coordination;
the inner surface of the cylindrical part is stuck with a plurality of linear motion permanent magnets at equal intervals, a linear motion stator is arranged in the linear motion permanent magnets, and the linear motion stator and the linear motion permanent magnets form proper pole slot matching.
2. The axial flux-based rotary and linear motion electric machine of claim 1, wherein: the linear motion permanent magnets are magnetized in the radial direction, and the magnetizing directions of two adjacent linear motion permanent magnets are opposite.
3. The axial flux-based rotary and linear motion electric machine of claim 1, wherein: the linear motion stator is composed of a disc-shaped linear motion stator core and a disc-shaped linear motion stator winding clamped between the linear motion stator cores.
4. The axial flux-based rotary and linear motion electric machine of claim 1, wherein: the axial flux permanent magnets are magnetized in the axial direction, and the magnetizing directions of two adjacent axial flux permanent magnets are opposite.
5. The axial flux-based rotary and linear motion electric machine of claim 1, wherein: the number of the axial flux permanent magnets is even.
6. The axial flux-based rotary and linear motion electric machine of claim 1, wherein: also comprises a shell with a groove;
the inner side of the shell with the groove is provided with axial grooves which are uniformly distributed along the circumference.
7. The axial flux-based rotary and linear motion electric machine of claim 6, wherein: the outer sides of the axial magnetic flux stator core yoke part and the axial magnetic flux stator core tooth part are respectively provided with an outward protrusion, and the outward protrusions of the axial magnetic flux stator core yoke part and the axial magnetic flux stator core tooth part are respectively matched with the axial grooves.
8. The axial flux-based rotary and linear motion electric machine of claim 7, wherein: the outward projection of the axial flux stator core teeth and the outward projection of the axial flux stator core yoke overlap in axial projection.
9. The axial flux-based rotary and linear motion electric machine of claim 1, wherein: the diameters of the two protruding circular rings are consistent, and the diameter of the protruding circular disc is larger than that of the protruding circular rings.
10. A method of operating an axial flux based rotary and linear motor according to any one of claims 1-9, characterized in that: the method comprises the following steps:
after the disc-shaped linear motion stator is properly excited, the axial magnetic flux stator core, the axial magnetic flux winding, the axial magnetic flux permanent magnet, the movable rotor and the linear motion permanent magnet are driven to synchronously and linearly move;
after the axial magnetic flux winding is properly excited, the axial magnetic flux permanent magnet, the movable rotor and the linear motion permanent magnet are driven to synchronously rotate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310238843.4A CN116073615B (en) | 2023-03-09 | 2023-03-09 | Rotary and linear motion motor based on axial magnetic flux and working method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310238843.4A CN116073615B (en) | 2023-03-09 | 2023-03-09 | Rotary and linear motion motor based on axial magnetic flux and working method thereof |
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| CN116073615A true CN116073615A (en) | 2023-05-05 |
| CN116073615B CN116073615B (en) | 2024-02-02 |
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Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102005891A (en) * | 2010-11-10 | 2011-04-06 | 河南理工大学 | Single-phase alternating current permanent magnet linear disk type oscillating motor |
| CN102843015A (en) * | 2012-09-06 | 2012-12-26 | 东南大学 | Linearly-rotating two-degrees-of-freedom magnetic levitation bearing-free permanent magnetic actuator |
| CN202840877U (en) * | 2012-09-17 | 2013-03-27 | 东莞华中科技大学制造工程研究院 | Mechanism capable of performing rotary and rectilinear movement |
| WO2017199828A1 (en) * | 2016-05-19 | 2017-11-23 | Ntn株式会社 | Electric linear motion actuator |
| CN107579637A (en) * | 2017-08-17 | 2018-01-12 | 东南大学 | A kind of axial radial flux magneto |
| CN109742874A (en) * | 2018-12-29 | 2019-05-10 | 江苏大学 | A kind of straight line rotation two-freedom flux switch permanent magnet motor |
| CN109904991A (en) * | 2019-03-07 | 2019-06-18 | 国奥科技(深圳)有限公司 | Linear rotating motor and its displacement and rotation angle measurement method |
| CN110182013A (en) * | 2019-05-20 | 2019-08-30 | 江苏大学 | A kind of two-freedom electromagnetism feed energy suspension based on double winding mixed magnetic circuit linear rotation permanent magnet motor actuator |
| CN114944737A (en) * | 2022-04-29 | 2022-08-26 | 河北工业大学 | Primary and secondary mixed excitation type double salient pole two-degree-of-freedom magnetic flux reverse motor |
| CN115566870A (en) * | 2022-10-28 | 2023-01-03 | 南京师范大学 | High-thrust-density cylindrical linear motor based on wave-shaped air gap |
-
2023
- 2023-03-09 CN CN202310238843.4A patent/CN116073615B/en active Active
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102005891A (en) * | 2010-11-10 | 2011-04-06 | 河南理工大学 | Single-phase alternating current permanent magnet linear disk type oscillating motor |
| CN102843015A (en) * | 2012-09-06 | 2012-12-26 | 东南大学 | Linearly-rotating two-degrees-of-freedom magnetic levitation bearing-free permanent magnetic actuator |
| CN202840877U (en) * | 2012-09-17 | 2013-03-27 | 东莞华中科技大学制造工程研究院 | Mechanism capable of performing rotary and rectilinear movement |
| WO2017199828A1 (en) * | 2016-05-19 | 2017-11-23 | Ntn株式会社 | Electric linear motion actuator |
| CN109154344A (en) * | 2016-05-19 | 2019-01-04 | Ntn株式会社 | Electrodynamic type linear actuator |
| CN107579637A (en) * | 2017-08-17 | 2018-01-12 | 东南大学 | A kind of axial radial flux magneto |
| CN109742874A (en) * | 2018-12-29 | 2019-05-10 | 江苏大学 | A kind of straight line rotation two-freedom flux switch permanent magnet motor |
| CN109904991A (en) * | 2019-03-07 | 2019-06-18 | 国奥科技(深圳)有限公司 | Linear rotating motor and its displacement and rotation angle measurement method |
| CN110182013A (en) * | 2019-05-20 | 2019-08-30 | 江苏大学 | A kind of two-freedom electromagnetism feed energy suspension based on double winding mixed magnetic circuit linear rotation permanent magnet motor actuator |
| CN114944737A (en) * | 2022-04-29 | 2022-08-26 | 河北工业大学 | Primary and secondary mixed excitation type double salient pole two-degree-of-freedom magnetic flux reverse motor |
| CN115566870A (en) * | 2022-10-28 | 2023-01-03 | 南京师范大学 | High-thrust-density cylindrical linear motor based on wave-shaped air gap |
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