[go: up one dir, main page]

WO2025137223A1 - Système et procédé de propulsion et de lévitation magnétiques - Google Patents

Système et procédé de propulsion et de lévitation magnétiques Download PDF

Info

Publication number
WO2025137223A1
WO2025137223A1 PCT/US2024/060953 US2024060953W WO2025137223A1 WO 2025137223 A1 WO2025137223 A1 WO 2025137223A1 US 2024060953 W US2024060953 W US 2024060953W WO 2025137223 A1 WO2025137223 A1 WO 2025137223A1
Authority
WO
WIPO (PCT)
Prior art keywords
elements
propulsion
magnetic field
magnetic
track
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
PCT/US2024/060953
Other languages
English (en)
Other versions
WO2025137223A8 (fr
Inventor
Dario Bueno-Baques
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Swisspod Technologies Sa
Original Assignee
Swisspod Technologies Sa
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Swisspod Technologies Sa filed Critical Swisspod Technologies Sa
Publication of WO2025137223A1 publication Critical patent/WO2025137223A1/fr
Publication of WO2025137223A8 publication Critical patent/WO2025137223A8/fr
Pending legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B61—RAILWAYS
    • B61B—RAILWAY SYSTEMS; EQUIPMENT THEREFOR NOT OTHERWISE PROVIDED FOR
    • B61B13/00—Other railway systems
    • B61B13/08—Sliding or levitation systems
    • 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
    • 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
    • B60L13/06—Means to sense or control vehicle position or attitude with respect to railway
    • 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
    • B60L13/10—Combination of electric propulsion and magnetic suspension or levitation
    • 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
    • B60L2200/00—Type of vehicles
    • B60L2200/26—Rail vehicles

Definitions

  • the present disclosure relates to a magnetic propulsion and levitation system for guided variable speed vehicles.
  • Magnetic levitation suspension systems often refer to a collection of systems where the vehicles for transportation of passengers or freight magnetically levitate on a guideway. These systems often comprise a fixed guideway which features coils, magnets or other systems to provide magnetic attraction or repulsion to the guided vehicle.
  • Magnetic levitation suspension systems operate in attraction mode classified as electromagnetic systems or in repulsion mode classified as electrodynamic systems. Both approaches present advantages and disadvantages.
  • the electromagnetic systems necessitate complex control systems, and the electrodynamic systems have an intrinsic resistance to the motion of the levitated vehicle or magnetic drag.
  • the present disclosure relates to a guided transportation system and more specifically, to a system where vehicles for transportation of passengers or freight can move at variable speeds levitating aloft a unison track-based guideway.
  • the propulsion component in the system can be understood, by no way of limitation and intended for clarification purposes, as resulting from the force of interacting magnetic equivalent dipoles, one associated with the field configuration in the elements of the track created by the levitation system and the other resulting from the magnetic field generated by the propulsion elements.
  • This propelling force or thrust is proportional to the product of the spatial gradient of their respective magnetic fields.
  • the localization of the field gradient centers along the track allows for the propelling of a moving vehicle relative to the track, where the thrust and speed can be controlled by actuating the propulsion elements at precise locations along the track, thus effectively making the system able to operate efficiently for a very wide range of speeds.
  • the passive track can be placed inside an evacuated environment to further reduce the aerodynamic resistance when the vehicles are moving at high speeds
  • a ground-based transportation system wherein a vehicle moves along a unison suspended track-based guideway is described.
  • the ground-based transportation system includes a propulsion-levitation system including a contactless propulsion system, wherein the contactless propulsion operates in unison with an electromagnetic levitation system.
  • the realization of said propulsionlevitation system in a vehicle is described, wherein the vehicle bogie is configured to transport a passenger and/or cargo pod along a suspended track-based guideway.
  • the terms “configure(s)”, “configuring”, and the like refer to the capability of a component and/or assembly, but do not preclude the presence or addition of other capabilities, features, components, elements, operations, and any combinations thereof.
  • FIG. 4 shows a cross-sectional schematic representation of another possible track arrangement with the location of the main components groups of the system relative to the track, according to some embodiments.
  • the track infrastructure enables the operation inside an evacuated environment to further reduce the aerodynamic resistance, hereby increasing the operational efficiency at high speeds.
  • Additional elements 400 could comprise mechanical guidance elements
  • Main guidance components 320 can comprise a combination of active and passive elements, such as the levitation elements group 200.
  • the main guidance components 320 of the guidance and propulsion group 300 work in unison or in pairs as shown in possible exemplary configurations in FIG. 3 and FIG. 4. These elements guide the vehicle along the track and include, by no way of limitation, sensing and control elements, that could operate in a similar way to the electromagnetic suspension system.
  • the main guidance components 320 of the guidance and propulsion group 300 may work in a single configuration, as shown in FIG. 4.
  • the bogie 500 may operate with a single configuration (FIG. 4) or a pair configuration (FIGS. 3 and 4).
  • Propulsion elements 310 comprise the main propulsion components of the system. These elements, in combination with the high permeability support elements 120 and guidance and levitation elements 320 and 200, generate magnetic field gradient zones on the high permeability magnetic structural elements 100. Magnetic field distribution is influenced by the presence of the high permeability support elements 120 that are used as pinning magnetic field centers for the operation of the pulsed propulsion system.
  • a magnetic field distribution is established in the high permeability magnetic structural elements 100 as shown schematically in the embodiment in FIG. 6.
  • the different gradients in the magnetic field are achieved by acting on the base magnetic fields provided by the levitation elements group 200 and the main guidance components 320 in combination with the relative position of the bogie in reference to the flux pinning centers defined by the high permeability support elements 120.
  • Main propulsion elements 310 provide magnetic fields in oblique directions to the main flux that further enhance the magnetic field gradient zones.
  • Track elements 100 and 120 in combination with suspension and guidance elements in the blocks 200 and 320 form a magnetic field circuit that in turn supports the operation of the propulsion elements 310.
  • the propulsion force results from the interaction magnetic field gradient established in the track in the vicinity of the high permeability support elements 120 that localize or pin these field gradients along the track and the magnetic field gradient created by the propulsion elements.
  • the propulsion force can be understood as the magnetic force between the magnetic field gradient pinned around the high permeability support elements 120 and the instantaneous magnetic field dipole created by propulsion elements.
  • the operation of the system comprises several main actions realized with the same track elements which constitute a unique approach from the previous art.
  • This approach enables the use of a simplified track geometry and taking advantage of the field distribution in the track to enable an enhanced propulsion system.
  • the proposed system enables a more efficient usage of the available energy in electromagnetic levitation systems and propulsion systems.
  • the levitation is achieved by the primary elements within block 200 configured to produce attractive forces which could be realized, by no way of limitation, by a combination of passive elements 220 and active electromagnetic control elements 210.
  • the active electromagnetic control elements 210 are driven by variable currents to compensate in real time the instabilities of the attraction forces. It is implied that sensors to measure the relative distances of the levitation gaps are present in the system and are used to provide feedback to the controller or controllers used to drive the elements 210.
  • This system constitutes an electromagnetic suspension system which also provides, in part, the base magnetic field distribution that is established in the high permeability magnetic structural elements 100 of the track arrangement.
  • main guidance components 320 provide controlled attractive forces that in turn provide guidance to position the vehicle bogie 500 relative to the high permeability magnetic structural elements 100.
  • These two systems, levitation components block 200 and main guidance components 320 support the contactless displacement of the vehicle 800 on the track.
  • these elements also provide the base magnetic field distribution that is required for the establishment of the gradient zones for the propulsion of the vehicle resulting from the interaction with the magnetic field provided by the main propulsion elements 310.
  • the integrated operation of the propulsion system with the electromagnetic levitation system provides an efficient combined vehicle operation where the overall energy usage can be optimal at any given operational speed.
  • the magnetic field distribution in the high permeability magnetic structural elements 100 changes as the vehicle moves, making the high permeability support elements 120 act as localization or pinning centers for the magnetic field gradients.
  • the resulting changes in the magnetic field can be sensed by the control electronics driving the active electromagnetic control elements 210 and main guidance components 320.
  • This feedback is used to provide a precise location of the pinning centers of the high permeability support elements 120 and to shape the magnetic field gradient by using the elements 315, which are part of the propulsion elements in 310 as represented in FIG. 7.
  • the elements 315 are configured to actively (e.g., in real time) shape the magnetic field gradient in the passive track elements 100 and 120.
  • Elements 315 can be realized, by no way of limitation, as three dimensional coils intended to provide a magnetic field to shape the field gradient.
  • this shaping field is represented as a circular magnetic field in FIG. 6.
  • the magnetic field imposed by elements 315 acts on the magnetic field gradient, which in turn is pinned to the high permeability support elements 120 of the track arrangement.
  • the shaping of the magnetic field distribution can be understood, by no way of limitation, to modify the spatial profile of the field gradient, and thus to adjust the propulsion force.
  • the elements 315 can work in unison with the propulsion elements 312 and 314 to adjust in real time the effective thrust force.
  • elements 315 can be actuated by pulsed currents synchronically attending to the relative position of the vehicle 800 in respect to the field gradient pinned to elements 120. It is implied that sensors to measure the relative distances of the levitation gaps are present in the system and are used to provide feedback to the controller or controllers used to drive elements 315. Without limitation, these sensors can include hall effect sensors, pick-up coils or current feedback from the windings of the elements 210 and 320.
  • the propulsion of the vehicle 800 is achieved by synchronically pulsing a current of the elements 312, 314 which are part of the propulsion elements 310, as depicted in Fig. 7.
  • These elements 312, 314 are configured to create a field gradient that interacts with the field gradient present in the track elements at any given position resulting from the operation of the elements in levitation components block 200 and guidance and propulsion block 300, shaped by the action of elements 315.
  • the driving of the elements 312, 314 is synchronized in reference to the track pinning center of the high permeability support elements 120, resulting on a thrust force which is proportional to the rate of change of the pulsed magnetic field and the spatial component of the gradient.
  • the system can achieve different magnitudes of the thrust force.
  • variable thrust forces at any given speed may be achieved.
  • the system may not suffer from a decrease of the thrust forces with the speed, as for example, commonly experienced in linear induction motor-based propulsion systems.
  • the direction of the current used to drive the propulsion elements 312, 314 can be altered to provide attraction or repulsion forces according to the spatial configuration of the magnetic field gradient in the vicinity of the pinning centers created by the high permeability support elements 120.
  • the total propulsion force then results from a combination of superposition of the attraction and repulsion forces along the track elements 100, 120.
  • the propulsion elements 312, 314 of the bogie 500 produce a propulsion force or thrust that is applied to the vehicle 800.
  • the propulsion force or thrust may be adjusted by spatially adjusting and shaping the magnetic field distribution in the track infrastructure 100, 120 while the vehicle 800 is moving, adjusting the frequency and amplitude of the pulsed field generated by the propulsion elements 312, 314, or the combination of spatially adjusting and shaping the magnetic field distribution in the track infrastructure 100, 120 while the vehicle 800 is moving, adjusting the frequency and amplitude of the pulsed field generated by the propulsion elements 312, 314.
  • the system can be implemented in track configurations where one main guideway is used or where multiple guideways are used to support the displacement of the levitated vehicles.
  • a guided transportation system including: a track infrastructure including magnetic structural elements and support elements; a bogie including: levitation elements; guidance elements; and propulsion elements; wherein the support elements, guidance elements, and levitation elements are configured to generate gradient zones in a magnetic flux on the magnetic structural elements, wherein an element of the propulsion elements is configured to adjust in real time the shape of the gradient zones in the magnetic field in the structural elements of the track infrastructure.
  • Clause 7 The guided transportation system according to any of the preceding clauses, wherein the element is a linear coil configured to produce a circular magnetic field.
  • Clause 8 The guided transportation system according to any of the preceding clauses, wherein the element is configured to actively shape the gradient zones in the magnetic field.
  • a method of adjusting the propulsion force or thrust of a bogie configured to travel along a track infrastructure, the a track infrastructure includes magnetic structural elements and support elements; the bogie includes levitation elements, guidance elements, and propulsion elements, wherein the support elements, guidance elements, and levitation elements are configured to generate gradient zones in a magnetic field on the magnetic structural elements, wherein an element of the propulsion elements is configured to adjust in real time the shape of the gradient zones in the magnetic field in the structural elements of the track infrastructure, wherein the propulsion elements of the bogie produce a propulsion force or thrust that is applied to the vehicle, the method of adjusting the propulsion force or thrust comprises: spatially adjusting and shaping the magnetic field distribution in the track infrastructure while the vehicle is moving; and adjusting the frequency and amplitude of the pulsed field generated by the propulsion elements.

Landscapes

  • Engineering & Computer Science (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Power Engineering (AREA)
  • Control Of Vehicles With Linear Motors And Vehicles That Are Magnetically Levitated (AREA)

Abstract

L'invention concerne un système de transport à guidage sur voie, un véhicule se déplaçant le long de la voie de guidage pouvant fonctionner à l'aide d'une technologie intégrée de lévitation, de sustentation et de propulsion magnétiques. Les véhicules peuvent se déplacer en l'air avec une résistance réduite et une consommation d'énergie inférieure pour obtenir un déplacement avec contact ou sans contact.
PCT/US2024/060953 2023-12-22 2024-12-19 Système et procédé de propulsion et de lévitation magnétiques Pending WO2025137223A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US202363614074P 2023-12-22 2023-12-22
US63/614,074 2023-12-22

Publications (2)

Publication Number Publication Date
WO2025137223A1 true WO2025137223A1 (fr) 2025-06-26
WO2025137223A8 WO2025137223A8 (fr) 2025-11-27

Family

ID=96138044

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US2024/060953 Pending WO2025137223A1 (fr) 2023-12-22 2024-12-19 Système et procédé de propulsion et de lévitation magnétiques

Country Status (1)

Country Link
WO (1) WO2025137223A1 (fr)

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3407749A (en) * 1966-08-31 1968-10-29 Gen Motors Corp Motor for propulsion and load support
US5605100A (en) * 1990-10-23 1997-02-25 American Magley Technology Of Florida, Inc. Propulsion system for a magnetically movable vehicle
US20120092107A1 (en) * 2009-06-22 2012-04-19 Alexandre Tiago Baptista De Alves Martins Propulsion system using the antigravity force of the vacuum and applications
US20170183829A1 (en) * 2014-09-05 2017-06-29 Skytran, Inc. Vertical switching in a magnetic levitation guideway transportation system

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3407749A (en) * 1966-08-31 1968-10-29 Gen Motors Corp Motor for propulsion and load support
US5605100A (en) * 1990-10-23 1997-02-25 American Magley Technology Of Florida, Inc. Propulsion system for a magnetically movable vehicle
US20120092107A1 (en) * 2009-06-22 2012-04-19 Alexandre Tiago Baptista De Alves Martins Propulsion system using the antigravity force of the vacuum and applications
US20170183829A1 (en) * 2014-09-05 2017-06-29 Skytran, Inc. Vertical switching in a magnetic levitation guideway transportation system

Also Published As

Publication number Publication date
WO2025137223A8 (fr) 2025-11-27

Similar Documents

Publication Publication Date Title
US6633217B2 (en) Inductrack magnet configuration
US6684794B2 (en) Magnetically levitated transportation system and method
EP1268233B1 (fr) Appareil de freinage a courants de foucault
US6250230B1 (en) Apparatus and method for reducing inductive coupling between levitation and drive coils within a magnetic propulsion system
US10604898B2 (en) Rail-bound maglev train
KR20010111030A (ko) 기판 회전장치
KR102434518B1 (ko) 차량용 자기 서스펜션
JP2019534667A (ja) リニア電気機械およびリニア電気機械を制御するためのパワーエレクトロニクスコンバータ
JP2010252413A (ja) 磁気浮上移動システム
Sinha Design of a magnetically levitated vehicle
WO2025137223A1 (fr) Système et procédé de propulsion et de lévitation magnétiques
Sharma et al. Magnetically levitated vehicles: suspension, propulsion and guidance
JPS62165019A (ja) 磁気浮上スライド
CN114094794B (zh) 一种动磁铁直线电机
CN113997797B (zh) 一种永磁电动悬浮导向驱动一体化装置
CN117242683A (zh) 线性驱动器
Bruce et al. An electrodynamic wheel maglev vehicle with a passive U-guideway
JP3144838B2 (ja) 磁気浮上式走行装置
Park et al. Design and analysis of a maglev planar transportation vehicle
Choi et al. Design and experimental validation of performance for a maglev moving-magnet-type synchronous PM planar motor
US20250075439A1 (en) A switch for vehicles
JP4831719B2 (ja) 磁気浮上式ｘｙ面リニア同期モータ
JP5483698B2 (ja) 磁気浮上移動システム
Long et al. Design of a small-scale prototype for a stabilized permanent magnet levitated vehicle
JP3144837B2 (ja) 磁気浮上式走行装置

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 24908888

Country of ref document: EP

Kind code of ref document: A1