CN109228883A - A kind of electrically driven, magnetically levitated automobile to suspend entirely - Google Patents
A kind of electrically driven, magnetically levitated automobile to suspend entirely Download PDFInfo
- Publication number
- CN109228883A CN109228883A CN201811155197.0A CN201811155197A CN109228883A CN 109228883 A CN109228883 A CN 109228883A CN 201811155197 A CN201811155197 A CN 201811155197A CN 109228883 A CN109228883 A CN 109228883A
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- Prior art keywords
- wheel
- magnetic
- magnet
- automobile
- magnetically levitated
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L13/00—Electric propulsion for monorail vehicles, suspension vehicles or rack railways; Magnetic suspension or levitation for vehicles
- B60L13/04—Magnetic suspension or levitation for vehicles
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02N—ELECTRIC MACHINES NOT OTHERWISE PROVIDED FOR
- H02N15/00—Holding or levitation devices using magnetic attraction or repulsion, not otherwise provided for
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Power Engineering (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Control Of Vehicles With Linear Motors And Vehicles That Are Magnetically Levitated (AREA)
Abstract
The invention discloses the electrically driven, magnetically levitated automobiles that one kind suspends entirely, which includes: car body, magnet-wheel and magnetic wheel driven automatic scan motor；The magnet-wheel is mounted on the lower part of the car body；The middle part of the magnet-wheel is arranged in the magnetic wheel driven automatic scan motor, for driving the magnet-wheel to rotate, so that the magnet-wheel is suspended in the top that magnetic floats lane, the magnetic floats the conductor plate that lane includes roadbed and is layed on roadbed, and moves on the extending direction of the conductor plate with motor vehicles bodies.By using the electrically driven, magnetically levitated automobile provided by the present invention to suspend entirely, the full suspension that entire electrically driven, magnetically levitated automobile may be implemented, so as to efficiently reduce the abrasion of wheel, increases the service life of automobile so that wheel is contactless with road surface.
Description
Technical field
The present invention relates to magnetic levitation technology, in particular to a kind of electrically driven, magnetically levitated automobile to suspend entirely.
Background technique
In the prior art, traditional electric car (BEV) be using vehicle power supply as power, by motor driven wheel,
Driving is realized using the frictional reaction between road surface and wheel.Therefore, the power steering system master of traditional electric car
It to be made of steering control mechanism, diverter, power steering apparatus, steering gear, although entire power steering system is
It is travelled using left and right deflecting roller differential and realizes steering, but above-mentioned steering operation is needed based on direct between tire and road surface
Contact (i.e. the rubbing action of wheel and road surface) could be completed.
In addition, having existed for a kind of " magnetic floats automobile " in the prior art, being somebody's turn to do " magnetic floats automobile " is based on front and rear wheel mostly
Magnetic suspension supporting system.Entire magnetic suspension supporting system includes forward and backward wheel supporting semiaxis, variable-speed clutch, preceding magnet-wheel, rear magnetic
The primary structures such as wheel, motor (including the components such as shell, stator, rotor, magnet steel, electromagnetism winding).Above-mentioned magnetic in the prior art
Suspension automobile realizes maglev concrete operating principle are as follows: forward and backward wheel supporting semiaxis is fixed on vehicle frame, by motor nesting
In corresponding magnet-wheel, use mature power magnetic suspension motor technology in the prior art, using magneticaction will in wheel it is electric
Machine stator is suspended in the air, makes do not have Mechanical Contact between rotor and stator.Stator connect with vehicle body and keeps suspension
State supports the overall weight of vehicle body.Axis is acted on upwardly through outer winding and magnet steel, axial magnetic suspension force is provided, so that wheel
Axial restraint, but it is contactless.It acts on driving wheel using electromagnetic torque to rotate, band motor car wheel is along road traveling." magnetic floats vapour for this
The steering operation of vehicle " is realized also with the wheel differential principle in orthodox car technology.
In addition, also proposed a kind of rail mounted magnetic of variable track for magnetic-levitation Shi Tie highway in the prior art
Suspension automobile.In the technical scheme, magnetic-levitation formula iron is sucked in the magnet wheel group of the top of automobile installation variable track
Highway, magnetic-suspension automobile top magnet wheel group and rail road magnet attracting magnetic suspending, magnetic-suspension automobile lower section is linear motor
Connect magnet track maglev type magnetic suspension.
From the foregoing, it will be observed that although magnetic-suspension automobile scheme in the prior art is related to relevant magnetic levitation technology, but driving
It needs to contact the frictional force of generation directly with ground by wheel to realize always when dynamic and steering.Therefore, to tire and road
Noodles part has certain requirement (need to provide enough frictional forces)；Meanwhile maintenance and part lubrication to entire automotive system
Also there are requirements at the higher level.In addition, in the magnetic-suspension automobile scheme of the prior art, need to design the control system of a series of complex with
And detection system, it include electromechanical coordination controller, suspension drive control device and various kinds of sensors in these systems.Therefore, whole
The design difficulty of a system is larger, complicated especially for the design comparison of control system.
Summary of the invention
In view of this, the present invention provides a kind of electrically driven, magnetically levitated automobile to suspend entirely, so as to realize entire electronic magnetic
The full suspension of suspension automobile, so as to efficiently reduce the abrasion of wheel, increases automobile so that wheel is contactless with road surface
Service life.
Technical solution of the present invention is specifically achieved in that
A kind of electrically driven, magnetically levitated automobile to suspend entirely, the electrically driven, magnetically levitated automobile include: car body, magnet-wheel and magnetic wheel driven automatic scan electricity
Machine；
The magnet-wheel is mounted on the lower part of the car body；
The middle part of the magnet-wheel is arranged in the magnetic wheel driven automatic scan motor, for driving the magnet-wheel to rotate, so that institute
The top that magnet-wheel is suspended on the floating lane of magnetic is stated, the magnetic floats the conductor plate that lane includes roadbed and is layed on roadbed, and band
Motor vehicles bodies move on the extending direction of the conductor plate.
Preferably, the magnet-wheel includes: rubber foreign steamer, permanent magnet array and articulamentum；
The permanent magnet array is arranged between rubber foreign steamer and articulamentum；
The articulamentum is arranged between the permanent magnet array and magnetic wheel driven automatic scan motor, and around the magnetic wheel driven automatic scan electricity
Machine.
Preferably, the permanent magnet array is annular Halbach array.
Preferably, the magnetic wheel driven automatic scan motor is used to control the revolving speed of left and right magnet-wheel respectively.
Preferably, the conductor plate is aluminium sheet or copper sheet.
Preferably, being provided with two magnetic floats lane, and two magnetic float and are provided with non-magnetic insulating tape between lane.
As above as it can be seen that the electrically driven, magnetically levitated automobile provided by the present invention to suspend entirely, due to having used magnet-wheel and being layed in
Magnetic on roadbed floats the conductor plate on lane, therefore can be based on electrically driven, magnetically levitated principle, and combines Halbach permanent annular
The characteristic of array realizes the full suspension of entire electrically driven, magnetically levitated automobile, so that wheel is contactless with road surface, so as to effectively
The abrasion for reducing wheel, increase the service life of automobile.
In addition, it is further, above-mentioned full suspended state can also be utilized in the present invention, be situated between magnetic field as elasticity
Matter promotes running stability and the seating of automobile so that above-mentioned electrically driven, magnetically levitated automobile has more excellent damping property
Comfort level.
In addition, in the inventive solutions, the electromagnetic resistance that can also generate electrically driven, magnetically levitated system is as drive
The driving force for moving entire automobile front driving, " reluctance force " is become forward " driving force ", realizes the driving to automobile.
In addition, it is further, in the inventive solutions, also realized using the differential of arranged on left and right sides wheel
The variation of the electromagnetic resistance of two sides wheel, and then realize steering operation.Moreover, because being to realize to turn using the variation in magnetic field
To, therefore steering flexibility is high, response is fast.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the electrically driven, magnetically levitated automobile to suspend entirely in the embodiment of the present invention.
Fig. 2 is the setting schematic diagram in the floating lane of magnetic in the embodiment of the present invention.
Fig. 3 is the magnet-wheel stress analysis schematic diagram in the embodiment of the present invention.
Fig. 4 is the structural schematic diagram of the magnet-wheel in the embodiment of the present invention.
Specific embodiment
To make the objectives, technical solutions, and advantages of the present invention more comprehensible, right hereinafter, referring to the drawings and the embodiments,
The present invention is further described.
Present embodiments provide a kind of electrically driven, magnetically levitated automobile to suspend entirely.
Fig. 1 is the structural schematic diagram of the electrically driven, magnetically levitated automobile to suspend entirely in the embodiment of the present invention.As shown in Figure 1, this
The electrically driven, magnetically levitated automobile to suspend entirely in inventive embodiments includes: car body 11, magnet-wheel 12 and magnetic wheel driven automatic scan motor 15；
The magnet-wheel 12 is mounted on the lower part of the car body 11；
The middle part of the magnet-wheel 12 is arranged in the magnetic wheel driven automatic scan motor 15, for driving the magnet-wheel 12 to rotate,
So that the magnet-wheel 12 is suspended in the top that magnetic floats lane 13, the magnetic floats lane and includes roadbed 14 and be layed in leading on roadbed
Body plate 13, and moved on the extending direction of the conductor plate 13 with motor vehicles bodies 11.
It in the inventive solutions, will when above-mentioned magnet-wheel rotates under the driving of magnetic wheel driven automatic scan motor
Generate the magnetic field changed over time；The magnetic field will cut the conductor plate (for example, aluminium sheet or copper sheet) on the floating lane of magnetic.According to
The law of electromagnetic induction, the magnetic field will generate induced electromotive force inside conductor plate, and conductor plate each section itself constitutes circuit, from
And the interior circulating current (i.e. mirror image vortex) moved together with permanent magnet (i.e. magnet-wheel) is generated in conductor plate.And the mirror image is vortexed
A magnetic field will be generated again, the magnetic field interaction in mirror vortex miscarriage raw magnetic field and magnet-wheel generates straight up outstanding
Buoyancy, which integrally can hold up upwards certain height for electrically driven, magnetically levitated automobile, so that entire electrically driven, magnetically levitated automobile
The state of " complete to suspend " is presented, the wheel (i.e. magnet-wheel) of electrically driven, magnetically levitated automobile completely disengages the conductor plate on the floating lane of magnetic, hangs
The top that magnetic floats lane is floated on, it is contactless to float the conductor plate on lane with magnetic.
And in the driving process of the electrically driven, magnetically levitated automobile, above-mentioned mirror image vortex field will apply the magnetic of a horizontal direction
Resistance is on magnet-wheel.Fig. 3 is the magnet-wheel stress analysis schematic diagram in the embodiment of the present invention, the force analysis according to shown in Fig. 3
It is found that above-mentioned reluctance force can provide drive for the movement (for example, move forward or fall back backward) of electrically driven, magnetically levitated automobile
Power, so that entire electrically driven, magnetically levitated automobile be driven to move along corresponding direction.
In addition, in the inventive solutions, when the electrically driven, magnetically levitated motor turning, magnetic wheel driven automatic scan electricity can be passed through
Machine 15 controls the revolving speed of left and right magnet-wheel respectively.When the revolving speed difference of left and right magnet-wheel (differential), is rotated by two wheels and generated
Induced magnetic field intensity it is different, and the intensity in magnetic field is different that will lead to magnetic force suffered by two wheels also different,
So that " deflection " occurs in the magnet-wheel in both direction, then realizes and turn to.
In addition, preferably, as shown in figure 4, in one particular embodiment of the present invention, the magnet-wheel 12 includes: rubber
Foreign steamer 41, permanent magnet array 42 and articulamentum 43；The permanent magnet array 42 is arranged between rubber foreign steamer 41 and articulamentum 43；
The articulamentum 43 is arranged between the permanent magnet array 42 and magnetic wheel driven automatic scan motor 15, and around the magnetic wheel driven automatic scan motor
15。
In the inventive solutions, above-mentioned articulamentum can play connection function and buffer function；Meanwhile the company
Certain magnetic screening action can also be played by connecing layer.
In addition, preferably, in one particular embodiment of the present invention, the permanent magnet array can be annular Haier shellfish
Gram array (Halbach Array).Halbach array is a kind of novel permanent magnetic volume array established in Sine distribution magnetic field, should
Array can will be supported by magnetic field concentration that magnet group generates in the side of magnet in other side magnetic field to the greatest extent
Disappear, so that the external magnetic field of magnet can preferably be utilized (unilateral characteristic).In the inventive solutions, due to
The particularity of the Distribution of Magnetic Field of Halbach array, most of magnetic field concentration of above-mentioned annular Halbach array is in the annular
The outside of Halbach array, internal magnetic field is very small, so between the annular Halbach array and magnetic wheel driven automatic scan motor
Influence each other it is smaller.
In addition, in the inventive solutions, above-mentioned annular can be preset according to the needs of practical situations
The magnetizing direction of the number of permanent magnet in Halbach array and each permanent magnet.For example, as shown in figure 4, ring in Fig. 4
16 pieces of permanent magnets are provided in shape Halbach array, each arrow in Fig. 4 respectively represents in annular Halbach array
The magnetizing direction of each piece of permanent magnet.
In addition, being also possible to preferably, in one particular embodiment of the present invention, the conductor plate can be aluminium sheet
Copper sheet is also possible to other applicable metal plates, and this is no longer going to repeat them.
In addition, preferably, in one particular embodiment of the present invention, the magnetic float lane can with it is in the prior art
General-utility car lane is laid on roadbed together.For example, Fig. 2 is the setting schematic diagram in the floating lane of magnetic in the embodiment of the present invention,
As shown in Fig. 2, two magnetic, which float lane 13, is laid on inside, and two magnetic float and are additionally provided with non-magnetic insulating tape between lane 13
22, this two two magnetic float the electronic magnetic for travelling along two opposite directions (black arrow shown in Fig. 2) respectively of lane 13
Suspension running car.Two general-utility car lanes 21 are laid on the two sides that two magnetic float lane 13, for along two opposite directions
The general-utility car traveling of (white arrow shown in Fig. 2) traveling.
Electrically driven, magnetically levitated automobile in the present invention when driving, does not deviate by lane on the conductor plate on suspension lane 13.
In addition, also not deposited since non-magnetic insulating tape 22 has magnetic screening action, thus in the process of moving between the floating lane of two magnetic
It is interfering with each other.
In addition, in the inventive solutions, corresponding ginseng can be preset according to the needs of practical situations
Number, to adjust or adjust the size of suspending power, so that the shape of proper " complete to suspend " is presented in entire electrically driven, magnetically levitated automobile
State.
For example, preferably, in one particular embodiment of the present invention, the revolving speed of magnetic wheel driven automatic scan motor can be preset
(revolving speed is higher, then caused by suspending power also will be bigger, between electrically driven, magnetically levitated automobile and magnetic float between the conductor plate on lane
Gap is higher), lane tablet (i.e. magnetic float lane on conductor plate) thickness (under normal circumstances, generated suspending power with
The increase of the thickness of conductor plate and increase, but comprehensively consider suspension system performance, heat dissipation and construction cost, the thickness of conductor plate
Also unsuitable blocked up), (with the increase of number of pole-pairs, every a pair of of the pole of magnet-wheel connects with conductor plate for the number of pole-pairs of annular Halbach array
The area of touching will reduce therewith, also reduce therewith so as to cause generated suspending power).
In actual moving process, since the revolving speed of magnet-wheel can influence the size of suspending power and reluctance force, generally
The hoverheight and speed of vehicle can be adjusted by controlling the revolving speed of magnetic wheel driven automatic scan motor.In addition, in of the invention its
In its specific embodiment, other parameters can also be preset, for example, magnet-wheel outer diameter, magnet thickness etc., produced by adjusting
Suspending power size.This is no longer going to repeat them for specific set-up mode.
In summary, the electrically driven, magnetically levitated automobile to suspend entirely in the present invention, due to having used magnet-wheel and being layed in road
Conductor plate on base, therefore it can be based on electrically driven, magnetically levitated principle, and combine the characteristic of Halbach permanent annular array, it is real
The now full suspension of entire electrically driven, magnetically levitated automobile, so that wheel is contactless with road surface, so as to efficiently reduce the mill of wheel
Consumption, increases the service life of automobile, and can greatly reduce automobile car resistance (because under full suspended state, vehicle
Wheel is contactless with road surface, therefore without frictional resistance).
In addition, it is further, above-mentioned full suspended state can also be utilized in the present invention, be situated between magnetic field as elasticity
Matter promotes running stability and the seating of automobile so that above-mentioned electrically driven, magnetically levitated automobile has more excellent damping property
Comfort level.
In addition, in the inventive solutions, the electromagnetic resistance that can also generate electrically driven, magnetically levitated system is (i.e. above-mentioned
Reluctance force) as the driving force for driving entire automobile front driving, " reluctance force " is become forward " driving force ", realization is to automobile
Driving.
In addition, it is further, in the inventive solutions, also realized using the differential of arranged on left and right sides wheel
The variation of the electromagnetic resistance of two sides wheel, and then realize steering operation.Moreover, because being to realize to turn using the variation in magnetic field
To, therefore steering flexibility is high, response is fast.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all in essence of the invention
Within mind and principle, any modification, equivalent substitution, improvement and etc. done be should be included within the scope of the present invention.
Claims (6)
1. the electrically driven, magnetically levitated automobile that suspends entirely of one kind, which is characterized in that the electrically driven, magnetically levitated automobile include: car body, magnet-wheel and
Magnetic wheel driven automatic scan motor；
The magnet-wheel is mounted on the lower part of the car body；
The middle part of the magnet-wheel is arranged in the magnetic wheel driven automatic scan motor, for driving the magnet-wheel to rotate, so that the magnetic
Wheel is suspended in the top that magnetic floats lane, and the magnetic floats the conductor plate that lane includes roadbed and is layed on roadbed, and with motor vehicles bodies
It is moved on the extending direction of the conductor plate.
2. electrically driven, magnetically levitated automobile according to claim 1, which is characterized in that the magnet-wheel includes: rubber foreign steamer, permanent magnetism
Volume array and articulamentum；
The permanent magnet array is arranged between rubber foreign steamer and articulamentum；
The articulamentum is arranged between the permanent magnet array and magnetic wheel driven automatic scan motor, and around the magnetic wheel driven automatic scan motor.
3. electrically driven, magnetically levitated automobile according to claim 1 or 2, it is characterised in that:
The permanent magnet array is annular Halbach array.
4. electrically driven, magnetically levitated automobile according to claim 1, it is characterised in that:
The magnetic wheel driven automatic scan motor is used to control the revolving speed of left and right magnet-wheel respectively.
5. electrically driven, magnetically levitated automobile according to claim 1, it is characterised in that:
The conductor plate is aluminium sheet or copper sheet.
6. electrically driven, magnetically levitated automobile according to claim 1, it is characterised in that:
It is provided with two magnetic and floats lane, and two magnetic float and are provided with non-magnetic insulating tape between lane.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811155197.0A CN109228883A (en) | 2018-09-30 | 2018-09-30 | A kind of electrically driven, magnetically levitated automobile to suspend entirely |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811155197.0A CN109228883A (en) | 2018-09-30 | 2018-09-30 | A kind of electrically driven, magnetically levitated automobile to suspend entirely |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109228883A true CN109228883A (en) | 2019-01-18 |
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| CN201811155197.0A Pending CN109228883A (en) | 2018-09-30 | 2018-09-30 | A kind of electrically driven, magnetically levitated automobile to suspend entirely |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109823192A (en) * | 2019-02-20 | 2019-05-31 | 中国航天科工飞航技术研究院（中国航天海鹰机电技术研究院） | A kind of magnetic suspension system |
| CN110244243A (en) * | 2019-06-17 | 2019-09-17 | 西南交通大学 | A kind of rotary permanent-magnet electrodynamics suspension, driving integrated testing device |
| CN111942163A (en) * | 2020-07-07 | 2020-11-17 | 西南交通大学 | Magnetic suspension automobile with permanent magnet wheels |
| CN111942162A (en) * | 2020-07-07 | 2020-11-17 | 西南交通大学 | Magnetic suspension automobile |
| CN112644555A (en) * | 2019-10-10 | 2021-04-13 | 中国航天科工飞航技术研究院（中国航天海鹰机电技术研究院） | Circular ring type HALBACH magnetic braking device and high-speed train |
| CN114734827A (en) * | 2022-06-09 | 2022-07-12 | 西南交通大学 | Magnetic wheel driving device and driving method |
| CN115341419A (en) * | 2022-10-14 | 2022-11-15 | 西南交通大学 | Device for improving suspension guide performance of magnetic suspension automobile |
| CN115837842A (en) * | 2023-02-20 | 2023-03-24 | 成都西交华创科技有限公司 | Wheeled magnetic suspension traffic system, control method and application of magnetic disk system |
| CN115891500A (en) * | 2023-03-09 | 2023-04-04 | 西南交通大学 | Magnetic wheel structure of magnetic suspension automobile |
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| CN109823192A (en) * | 2019-02-20 | 2019-05-31 | 中国航天科工飞航技术研究院（中国航天海鹰机电技术研究院） | A kind of magnetic suspension system |
| CN110244243A (en) * | 2019-06-17 | 2019-09-17 | 西南交通大学 | A kind of rotary permanent-magnet electrodynamics suspension, driving integrated testing device |
| CN110244243B (en) * | 2019-06-17 | 2024-01-30 | 西南交通大学 | Rotary permanent magnet electric suspension and driving integrated testing device |
| CN112644555B (en) * | 2019-10-10 | 2022-04-12 | 中国航天科工飞航技术研究院（中国航天海鹰机电技术研究院） | Circular ring type HALBACH magnetic braking device and high-speed train |
| CN112644555A (en) * | 2019-10-10 | 2021-04-13 | 中国航天科工飞航技术研究院（中国航天海鹰机电技术研究院） | Circular ring type HALBACH magnetic braking device and high-speed train |
| CN111942162B (en) * | 2020-07-07 | 2022-09-27 | 西南交通大学 | Magnetic suspension automobile |
| CN111942162A (en) * | 2020-07-07 | 2020-11-17 | 西南交通大学 | Magnetic suspension automobile |
| CN111942163A (en) * | 2020-07-07 | 2020-11-17 | 西南交通大学 | Magnetic suspension automobile with permanent magnet wheels |
| CN114734827A (en) * | 2022-06-09 | 2022-07-12 | 西南交通大学 | Magnetic wheel driving device and driving method |
| CN114734827B (en) * | 2022-06-09 | 2022-09-02 | 西南交通大学 | Magnetic wheel driving device and driving method |
| US11745598B2 (en) | 2022-06-09 | 2023-09-05 | Southwest Jiaotong University | Magnetic wheel driving device and driving method using same |
| WO2023236834A1 (en) * | 2022-06-09 | 2023-12-14 | 西南交通大学 | Magnet-wheel driving device and driving method |
| CN115341419A (en) * | 2022-10-14 | 2022-11-15 | 西南交通大学 | Device for improving suspension guide performance of magnetic suspension automobile |
| CN115837842A (en) * | 2023-02-20 | 2023-03-24 | 成都西交华创科技有限公司 | Wheeled magnetic suspension traffic system, control method and application of magnetic disk system |
| CN115891500A (en) * | 2023-03-09 | 2023-04-04 | 西南交通大学 | Magnetic wheel structure of magnetic suspension automobile |
| CN115891500B (en) * | 2023-03-09 | 2023-05-12 | 西南交通大学 | Magnetic wheel structure of magnetic suspension automobile |
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