EP3033290A1 - Dezentrale linear motor regelung für transportsysteme - Google Patents
Dezentrale linear motor regelung für transportsystemeInfo
- Publication number
- EP3033290A1 EP3033290A1 EP14748120.4A EP14748120A EP3033290A1 EP 3033290 A1 EP3033290 A1 EP 3033290A1 EP 14748120 A EP14748120 A EP 14748120A EP 3033290 A1 EP3033290 A1 EP 3033290A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- secondary parts
- linear drive
- long stator
- drive arrangement
- movement
- 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.)
- Withdrawn
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B25/00—Control of escalators or moving walkways
- B66B25/003—Methods or algorithms therefor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B21/00—Kinds or types of escalators or moving walkways
- B66B21/10—Moving walkways
- B66B21/12—Moving walkways of variable speed type
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B23/00—Component parts of escalators or moving walkways
- B66B23/02—Driving gear
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B25/00—Control of escalators or moving walkways
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K16/00—Machines with more than one rotor or stator
-
- 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
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02P—CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS
- H02P6/00—Arrangements for controlling synchronous motors or other dynamo-electric motors using electronic commutation dependent on the rotor position; Electronic commutators therefor
- H02P6/006—Controlling linear motors
Definitions
- the invention relates to an electromotive linear drive assembly, in particular for moving walks or other transport device for the transport of persons or objects.
- the electromotive linear drive arrangement comprises a long stator running along a direction of movement as an active primary part, a plurality of secondary parts which are movable relative to the primary part and are arranged successively along the direction of movement, wherein the long stator has a multiplicity of successive long stator sections in the form of coil groups along the direction of movement.
- the invention also provides a method of operating the electromotive linear drive assembly for non-uniform movement of the secondaries.
- the moving walkway In order to allow the persons to be transported easy entry and exit, the moving walkway is moved at its ends at a first, lower speed. After the boarding area, the moving walkway, which is usually formed from individual moving pavement slabs, accelerates to a second, higher transport speed, before the deceleration to a lower, for example the first, speed occurs in an exit area. In practice, for example, a speed of 0.6 m / s may be provided for the entry and exit areas, while the second, higher speed is 2 m / s.
- the moving slabs In order to allow the described change in speed along the length of the moving walk, the moving slabs must be telescopically movable relative to each other. In order to enable a different speed drive and acceleration, it is known to drive the moving slabs in the entry area and in the exit area with a screw, which has a variable pitch. With such a screw, the moving slabs are then accelerated to the second speed or decelerated by the second speed, wherein between the screws a
- CONFIRMATION COPY Chain is provided, which moves at the higher, second speed.
- EP 1 258 447 B1 and EP 1 502 891 B1 drive arrangements and, in particular, moving walks are known, in which individual step bodies in the form of escalator steps or moving pavement slabs are provided with their own electromotive drive. It initially results in the advantage that a central drive train in the form of a revolving chain or the like can be omitted. Furthermore, EP 1 258 447 B1 also proposes to move the moving pavement slabs on a return transport path at an increased speed, so that overall the number of moving slabs can be reduced. However, the equipment of moving pavement plates with its own electric motor is associated with a considerable effort on the whole.
- the present invention is based on a known from practice electro-motor linear drive assembly according to the preamble of claim 1.
- the linear drive arrangement has, along the direction of movement, fixedly arranged coil groups as active primary parts and a plurality of movable secondary parts in the form of permanent magnets.
- the stationary coil groups are fed in sections via several inverters, whereby the position of the secondary parts, the feed forces and the motor currents through the coil groups are controlled by a central controller via the corresponding inverters.
- absolute sensors for position detection for which purpose markings, for example magnetic tapes, are arranged on the secondary parts, which can be detected by local sensors.
- fixed sensors are detected along the direction of movement.
- the secondary parts Due to the central control of all Langstatorabitese the primary part, the secondary parts can be matched to each other in a variable manner to be moved.
- the described electromotive linear drive arrangement with the central control of the movement of the secondary parts requires a relatively complicated configuration of the electrical circuit.
- EP 1 845 428 A2 an electromotive linear drive arrangement is known in which the secondary parts are each equipped with two permanent magnets which interact with different primary parts or primary part sections.
- the two magnets with the respectively associated primary part form two separate linear motors. At transition points so there is a transfer of the movement of the one linear motor to the other linear motor.
- the linear motors thus formed are only active alternately.
- the position of the equipped with the two permanent magnets pallet can be done by a sensor.
- the present invention has for its object to provide an electromotive linear drive assembly and a method for operating the electromotive linear drive assembly, which allow a simple technical design and are particularly suitable for moving walkways for the transport of persons or objects.
- the invention and the solution of the problem are an electromotive linear drive assembly according to claim 1 and a method for Operation of this electromotive linear drive arrangement according to claim 9.
- each long stator section has its own control device for the motion control of the secondary part, wherein the control device is set up to move the secondary part on the basis of control parameters defined for the respective long stator section.
- the secondary parts are thus controlled decentrally.
- Each Langstatorabites can therefore be operated independently, with a predetermined motion profile for the secondary parts is stored in an associated memory for each control device.
- a central control of Langstatorabitese and thus a central control of the coil groups for the various long stator sections thus eliminated.
- the entire long stator is divided into stationary Langstatorabitese each associated with converters, each having its own control device. As soon as a secondary part reaches this long stator section, this secondary part is moved autonomously by the assigned control device on the basis of a stored motion profile.
- the successive secondary parts are moved at each Langstatorabites in the same way or at least to the same specifications, wherein along the entire Langstators different speeds of movement can be provided.
- acceleration and deceleration distances or regions with a constant speed of movement can be realized at individual long stator sections.
- directly adjacent motor sections communicate with one another in order to provide a direct, stepless transfer of the seconds. to allow därmaschine.
- Immediately adjacent long stator sections can, for example, communicate with one another in a master / slave mode, wherein a coordinated control takes place when the secondary section is connected to a transition of two successive long stator sections.
- the movement profile to be realized later is already known at least approximately in the case of the arrangement of the long stator sections.
- the linear drive assembly is provided, for example, for a moving walk for the transportation of persons or objects, end portions of the moving walk are provided as an acceleration and deceleration path, while at a central portion of the moving walk, a high propelling speed is appropriate.
- At least one sensor for condition detection of the secondary parts is connected to the control device.
- a sensor for position determination is provided for each control device.
- Absolute sensors for position detection can be realized, for example, by the combination of incremental encoders and non-contacting proximity switches. Such an absolute sensor can also generate a direction-dependent reference index when driving over.
- the secondary parts can also be equipped with a device for continuous position determination, for example a magnetic tape. The determination of the force necessary for the movement of the secondary parts feed force can be carried out in a known manner by measuring the coil currents or voltages.
- control devices may be connected in the context of the invention to a central control, which, however, to the state of the tech- nik known configurations not controlled the entire movement and the control of the inverter.
- a central control can cooperate with the control devices of the individual long stator sections such that a synchronization of the control devices is effected via a clock signal.
- the motion profile stored for each control is then adapted to the clock signal as a time reference.
- the central controller via a corresponding connection and a start signal, a stop signal or a signal to change the operating mode transmitted.
- different motion profiles for different operating modes can be stored for each of the control device, in which case, with a corresponding signal of the central control, all control devices simultaneously change to another operating mode. Since the parameters for the respective operating mode are already stored for each control device, such a change can be made particularly easily and quickly.
- the synchronization with a clock signal can be done for example by a fieldbus system such as EtherCAT.
- EtherCAT a fieldbus system
- the individual long stator sections - except for a merely optionally provided master / slave operation of immediately consecutive long stator sections - do not require a state variable or status information of other long stator sections.
- a predetermined movement profile for the secondary parts is stored in an associated memory. This memory is preferably provided directly on the control device or as an integral part of the control device, so that a signal Transmission of the individual control devices to a remote storage can be omitted.
- long stator refers as usual to the structural design of the electromotive linear drive assembly.
- the invention is not limited to a straight direction of movement. Along the direction of movement in particular also curves, arches, slopes, inclines or the like may be provided.
- the long stator can form a closed motion loop for the secondary parts. For example, if the electromotive linear drive assembly is part of a moving walkway for passenger transport, the persons are moved from a starting point to an end point, in which case the secondary parts must again go back to the starting position.
- a drive can also be carried out at maximum speed in order to bridge this return area as quickly as possible and with as few secondary parts as possible.
- the secondary parts or the elements driven by the secondary parts can be guided mechanically in the form of moving pavement slabs and / or mechanically coupled to one another. By such a mechanical coupling can also in case of malfunction of Linear drive arrangement can be avoided that between two successive moving sidewalk pallets can form spaces.
- the present invention is directed to the use of the described linear drive assembly for moving walkways for transporting persons or objects.
- the invention furthermore relates to a method for operating the electromotive linear drive arrangement described, wherein different motion profiles are predetermined for the non-uniform movement of the secondary parts along the long stator for at least part of the long stator sections.
- an average speed of the secondary parts along the long stator can preferably be changed by the frequency of the clock signal of a central controller.
- the long stator sections control the assigned secondary part-apart from the optional consideration of the clock signal-preferably autonomously, wherein a matching sequence of movements can be provided at each long stator section for the secondary parts following there.
- Fig. 1 is an electromotive linear drive assembly according to the
- Fig. 3B is a speed profile of the movement of secondary parts along the moving walkway according to the Fig. 3A
- Fig. 4 shows a possible structural design of a moving walk to
- FIG. 1 shows a prior art electromotive linear drive arrangement known from practice with a long stator running along a direction of movement, which has individual long stator sections 1 in the form of coil groups.
- the stationary long stator sections 1 are each preceded by a converter 2 for controlling the coils of the respective long stator section 1. All inverters 2 are controlled by a central control 3 in order to move a plurality of secondary parts (not shown in FIG. 1) in the form of permanent magnets 6 along the long stator formed by the long stator sections 1 according to a predetermined movement profile. Furthermore, sensors 4 are arranged along the long stator, the signals of which are processed by the central controller 3.
- FIG. 2 shows an embodiment according to the invention of the electromotive linear drive arrangement, wherein a separate control device 5 for the movement control of the secondary parts is provided for each long stator section 1.
- the control devices 5 each comprise a memory in which the movement profile provided for the respective path section is stored.
- the motion control takes place solely by the associated control device 5, which works largely independently.
- the sensors 4 likewise provided according to FIG. 2 are each connected to an associated control device 5 and not to a central control 3 '.
- the central controller 3 ' is provided only to synchronize the controllers 5 for each long stator section with a clock signal.
- a start signal, a stop signal or a signal for changing the operating mode can be transmitted.
- the transmission of further data is neither necessary nor foreseen, so that the decentralization of the control results in a considerable simplification. In particular, it is not necessary to centrally monitor the entire movement sequence of the individual secondary parts via the long stator.
- the directly successive control devices 5 can be connected to one another in order to facilitate a transfer of the secondary parts from long stator section 1 to long stator section 1.
- Fig. 3A shows a highly schematic representation of the use of an electromotive linear drive assembly according to the invention on a moving walkway for the transport of persons, wherein only the positions of the secondary parts in the form of permanent magnets 6 along the entire direction of movement are indicated.
- the long stator forms a closed motion loop for the secondary parts with an upper run 7 and a lower run 8.
- mutually movable moving walk plates 9 (Fig. 4) are arranged.
- the permanent magnets 6 as secondary parts and thus the pavement plates 9 attached thereto are accelerated from a low speed, which allows an ascending, to a continuous transport speed. With this transport speed, the moving slabs move between the points Xi and X 2 . In order then to enable a passenger to dismount from the indicated moving pavement, a deceleration takes place between the points X 2 and X 3 . To then move the individual secondaries with permanent magnet 6 and moving slab 9 back to the boarding area, they are moved in the lower run 8 at a high speed between the points X4 and X5, whereby this distance can be bridged quickly with few elements. The secondaries then return to the starting point X 0 and are thus circulated at a variable speed.
- FIG. 3B shows by way of example a possible speed course along the entire travel path.
- Fig. 4 shows a possible embodiment of moving slabs 9 of a moving walkway for passenger transport.
- the moving platform slabs 9 are movable relative to each other, wherein the moving slabs 9 are pushed together at a slow advancing speed and only with an end portion 10 are exposed. With an increase in speed, a telescopic section 11 of the moving slab plates 9 is then successively released, as a result of which the effective length of the individual moving slabs 9 increases correspondingly.
- the moving slabs 9 are guided laterally in rails 12 and preferably also at least anchored to the upper run 7 in the pulling direction to each other.
- the individual moving base plates 9 are further connected to a permanent magnet 6 as Secondary part of the electromotive Linerantriebsanssen connected. As described above, it can be provided on the lower run 8 that the moving walk plates 9 can be completely coupled to one another for faster movement.
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Physics & Mathematics (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Electromagnetism (AREA)
- Escalators And Moving Walkways (AREA)
- Linear Motors (AREA)
- Control Of Linear Motors (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102013108767.1A DE102013108767A1 (de) | 2013-08-13 | 2013-08-13 | Dezentrale Linear Motor Regelung für Transportsysteme |
| PCT/EP2014/002120 WO2015022056A1 (de) | 2013-08-13 | 2014-08-01 | Dezentrale linear motor regelung für transportsysteme |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| EP3033290A1 true EP3033290A1 (de) | 2016-06-22 |
Family
ID=51298700
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP14748120.4A Withdrawn EP3033290A1 (de) | 2013-08-13 | 2014-08-01 | Dezentrale linear motor regelung für transportsysteme |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US10173865B2 (de) |
| EP (1) | EP3033290A1 (de) |
| JP (1) | JP6525338B2 (de) |
| KR (1) | KR102052243B1 (de) |
| CN (1) | CN105452146B (de) |
| DE (1) | DE102013108767A1 (de) |
| WO (1) | WO2015022056A1 (de) |
Families Citing this family (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP3024128B1 (de) * | 2014-11-18 | 2018-04-25 | Siemens Aktiengesellschaft | Modulare Steuerung eines Linearantriebs mit Kommunikation |
| WO2016126805A1 (en) * | 2015-02-04 | 2016-08-11 | Otis Elevator Company | Position determining for ropeless elevator system |
| AT518354B1 (de) | 2016-02-02 | 2018-06-15 | B & R Ind Automation Gmbh | Verfahren zum Betreiben einer Fördereinrichtung in Form eines Langstatorlinearmotors |
| US10787340B2 (en) | 2016-06-13 | 2020-09-29 | Otis Elevator Company | Sensor and drive motor learn run for elevator systems |
| AT519829A1 (de) * | 2017-04-04 | 2018-10-15 | B & R Ind Automation Gmbh | Verfahren zum Betreiben eines Langstatorlinearmotors |
| AT520089B1 (de) * | 2017-06-29 | 2019-01-15 | B & R Ind Automation Gmbh | Langstatorlinearmotor und Verfahren zum Bewegen einer Transporteinheit eines Langstatorlinearmotors |
| DE102018111715A1 (de) * | 2018-05-16 | 2019-11-21 | Beckhoff Automation Gmbh | Lineares transportsystem und system zur kontaktlosen energie- und datenübertragung |
| DE102020110795A1 (de) | 2020-04-21 | 2021-10-21 | Beckhoff Automation Gmbh | Anschalteinheit in einem linearen Transportsystem |
| CN112953121B (zh) * | 2021-02-24 | 2023-03-28 | 同济大学 | 一种长定子直线电机定子供电方法 |
| JP7224516B1 (ja) * | 2022-06-06 | 2023-02-17 | 三菱電機株式会社 | 乗客コンベアの制御装置 |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3787892T2 (de) * | 1985-12-24 | 1994-05-11 | E.I. Du Pont De Nemours & Co., Wilmington, Del. | System für die anwendung in der steuerung einer mehrheit synchroner sekundärteile eines linearmotors entlang einer ausgedehnten bahn. |
| WO1996027544A1 (de) * | 1995-03-06 | 1996-09-12 | Sig Schweizerische Industrie-Gesellschaft | Vorrichtung zum transportieren von produkten zwischen verschiedenen stationen |
| US6191507B1 (en) * | 1997-05-02 | 2001-02-20 | Ats Automation Tooling Systems Inc. | Modular conveyor system having multiple moving elements under independent control |
| WO2013069201A1 (ja) * | 2011-11-07 | 2013-05-16 | ヤマハ発動機株式会社 | リニアコンベア、搬送台車及びリニアコンベアの駆動制御方法 |
| US20140182478A1 (en) * | 2009-01-23 | 2014-07-03 | Magnemotion, Inc. | Transport system powered by short block linear synchronous motors |
Family Cites Families (23)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6028883Y2 (ja) * | 1983-02-10 | 1985-09-02 | 松下電器産業株式会社 | 高周波加熱装置 |
| JPH0628883Y2 (ja) * | 1986-10-28 | 1994-08-03 | 神鋼電機株式会社 | リニアモ−タ式搬送装置 |
| JP2001031353A (ja) * | 1999-07-27 | 2001-02-06 | Nkk Corp | コンベヤ装置 |
| JP2001097658A (ja) * | 1999-09-28 | 2001-04-10 | Nkk Corp | 可変速式乗客コンベヤ |
| ES2179720B1 (es) | 1999-11-19 | 2004-03-16 | Thyssen Norte S A | Pasillo de aceleracion. |
| JP4239382B2 (ja) * | 2000-08-24 | 2009-03-18 | 株式会社Ihi | 搬送装置 |
| EP1258447B1 (de) | 2001-05-16 | 2009-12-23 | Inventio Ag | Personenfördervorrichtung mit direktangetriebenen Trittkörpern |
| ES2223206B1 (es) | 2001-10-05 | 2005-12-16 | Thyssen Norte, S.A. | Pasamanos para pasillo movil de velocidad variable. |
| EP1502892A1 (de) * | 2003-07-31 | 2005-02-02 | Inventio Ag | Antriebseinrichtung für Fahrtreppenstufe |
| ZA200405181B (en) | 2003-07-31 | 2005-03-11 | Inventio Ag | Drive equipment for escalator step or moving walkway plate. |
| ES2272118B1 (es) | 2004-03-30 | 2008-03-01 | Thyssenkrup Norte, S.A. | Pasamanos de velocidad variable para sistemas transportadores de personas. |
| CN1712346A (zh) * | 2004-06-15 | 2005-12-28 | 荀政 | 等导程圆柱螺旋式自动扶梯 |
| US7456593B1 (en) | 2006-04-10 | 2008-11-25 | Anorad Corporation | Direct drive transport system |
| ES2281305B1 (es) | 2006-12-28 | 2008-06-01 | Thyssenkrupp Norte, S.A. | Dispositivo de seguridad para sistemas de transporte. |
| ES2289955B1 (es) | 2006-12-29 | 2009-05-05 | Thyssenkrupp Norte, S.A. | Sistema de transporte para desplazamiento de pasajeros/mercancias. |
| ES2310465B1 (es) | 2006-12-29 | 2009-11-10 | Thyssenkrupp Norte, S.A. | Carro para arrastre de pasamanos de pasillos y escaleras moviles. |
| ES2277796B1 (es) | 2006-12-29 | 2009-05-01 | Thyssenkrupp Norte, S.A. | Conjunto de paletas para un sistema de transporte para desplazamiento de pasajeros/mercancias. |
| CN201080404Y (zh) * | 2007-09-11 | 2008-07-02 | 沈阳博林特电梯有限公司 | 直线电机分散驱动的人行道装置 |
| WO2009132729A2 (de) * | 2008-04-30 | 2009-11-05 | Etel S.A. | Industrieeinrichtung mit einem mit mehreren beweglichen einheiten ausstattbaren mehrphasenlinearmotor |
| EP2161826B1 (de) | 2008-09-09 | 2011-03-16 | Siemens Aktiengesellschaft | Transfervorrichtung mit dynamisch veränderbaren Antriebsbereichen |
| CN202054520U (zh) * | 2011-05-05 | 2011-11-30 | 抚顺市特种设备监督检验所 | 一种高效节能的自动扶梯驱动装置 |
| ES2369980B1 (es) * | 2011-07-29 | 2012-07-24 | Thyssenkrupp Elevator Innovation Center, S.A. | Sistema de acionamiento de pasillos moviles. |
| ES2400373B1 (es) * | 2012-12-26 | 2013-11-15 | Thyssenkrupp Elevator Innovation Center, S. A. | Sistema de transporte para desplazamiento de pasajeros/mercancías |
-
2013
- 2013-08-13 DE DE102013108767.1A patent/DE102013108767A1/de not_active Withdrawn
-
2014
- 2014-08-01 CN CN201480044590.6A patent/CN105452146B/zh not_active Expired - Fee Related
- 2014-08-01 WO PCT/EP2014/002120 patent/WO2015022056A1/de not_active Ceased
- 2014-08-01 JP JP2016533833A patent/JP6525338B2/ja not_active Expired - Fee Related
- 2014-08-01 EP EP14748120.4A patent/EP3033290A1/de not_active Withdrawn
- 2014-08-01 US US14/911,692 patent/US10173865B2/en not_active Expired - Fee Related
- 2014-08-01 KR KR1020167003718A patent/KR102052243B1/ko not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3787892T2 (de) * | 1985-12-24 | 1994-05-11 | E.I. Du Pont De Nemours & Co., Wilmington, Del. | System für die anwendung in der steuerung einer mehrheit synchroner sekundärteile eines linearmotors entlang einer ausgedehnten bahn. |
| WO1996027544A1 (de) * | 1995-03-06 | 1996-09-12 | Sig Schweizerische Industrie-Gesellschaft | Vorrichtung zum transportieren von produkten zwischen verschiedenen stationen |
| US6191507B1 (en) * | 1997-05-02 | 2001-02-20 | Ats Automation Tooling Systems Inc. | Modular conveyor system having multiple moving elements under independent control |
| US20140182478A1 (en) * | 2009-01-23 | 2014-07-03 | Magnemotion, Inc. | Transport system powered by short block linear synchronous motors |
| WO2013069201A1 (ja) * | 2011-11-07 | 2013-05-16 | ヤマハ発動機株式会社 | リニアコンベア、搬送台車及びリニアコンベアの駆動制御方法 |
Non-Patent Citations (2)
| Title |
|---|
| "Comparison of Linear Synchronous and Induction Motors", 1 June 2004 (2004-06-01), XP055274177, Retrieved from the Internet <URL:http://ntl.bts.gov/lib/24000/24600/24692/FTA-DC-26-7002-2004-01.pdf> [retrieved on 20160520] * |
| See also references of WO2015022056A1 * |
Also Published As
| Publication number | Publication date |
|---|---|
| KR102052243B1 (ko) | 2019-12-04 |
| HK1217685A1 (zh) | 2017-01-20 |
| DE102013108767A1 (de) | 2015-02-19 |
| CN105452146B (zh) | 2018-01-23 |
| US20160194182A1 (en) | 2016-07-07 |
| WO2015022056A1 (de) | 2015-02-19 |
| KR20160057385A (ko) | 2016-05-23 |
| JP2016528127A (ja) | 2016-09-15 |
| CN105452146A (zh) | 2016-03-30 |
| JP6525338B2 (ja) | 2019-06-05 |
| US10173865B2 (en) | 2019-01-08 |
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