WO2007114109A1 - 交流モータ駆動装置および制御方法 - Google Patents
交流モータ駆動装置および制御方法 Download PDFInfo
- Publication number
- WO2007114109A1 WO2007114109A1 PCT/JP2007/056261 JP2007056261W WO2007114109A1 WO 2007114109 A1 WO2007114109 A1 WO 2007114109A1 JP 2007056261 W JP2007056261 W JP 2007056261W WO 2007114109 A1 WO2007114109 A1 WO 2007114109A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- motor
- time constant
- pwm
- coil
- capacity
- 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.)
- Ceased
Links
Classifications
-
- 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
- H02P27/00—Arrangements or methods for the control of AC motors characterised by the kind of supply voltage
- H02P27/04—Arrangements or methods for the control of AC motors characterised by the kind of supply voltage using variable-frequency supply voltage, e.g. inverter or converter supply voltage
- H02P27/06—Arrangements or methods for the control of AC motors characterised by the kind of supply voltage using variable-frequency supply voltage, e.g. inverter or converter supply voltage using DC to AC converters or inverters
- H02P27/08—Arrangements or methods for the control of AC motors characterised by the kind of supply voltage using variable-frequency supply voltage, e.g. inverter or converter supply voltage using DC to AC converters or inverters with pulse width modulation
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M1/00—Details of apparatus for conversion
- H02M1/12—Arrangements for reducing harmonics from AC input or output
- H02M1/126—Arrangements for reducing harmonics from AC input or output using passive filters
-
- 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
- H02P25/00—Arrangements or methods for the control of AC motors characterised by the kind of AC motor or by structural details
- H02P25/02—Arrangements or methods for the control of AC motors characterised by the kind of AC motor or by structural details characterised by the kind of motor
- H02P25/06—Linear motors
- H02P25/062—Linear motors of the induction type
-
- 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
- H02P25/00—Arrangements or methods for the control of AC motors characterised by the kind of AC motor or by structural details
- H02P25/02—Arrangements or methods for the control of AC motors characterised by the kind of AC motor or by structural details characterised by the kind of motor
- H02P25/06—Linear motors
- H02P25/064—Linear motors of the synchronous type
-
- 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
- H02P6/20—Arrangements for starting
-
- 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
- H02P25/00—Arrangements or methods for the control of AC motors characterised by the kind of AC motor or by structural details
- H02P25/02—Arrangements or methods for the control of AC motors characterised by the kind of AC motor or by structural details characterised by the kind of motor
- H02P25/06—Linear motors
Definitions
- the present invention relates to control of an AC motor, and in particular, a method of making an output voltage pulse-like, controlling the number of pulses, pulse interval, pulse width, etc., and equivalently obtaining an output voltage corresponding to the output frequency (PWM).
- the present invention relates to an AC motor driving apparatus and control method for controlling and driving a motor having a small time constant using (Pulse Width Modulation) method.
- Linear motor actuators which are frequently used in various tables of machine tools, traveling units of industrial robots, various transfer devices, etc., give linear motion to movable bodies such as tables, A function of stopping the movable body at a predetermined position is provided.
- the driving force that uses an AC linear synchronous motor as these driving means is that the stator or the mover is wound with an exciting coil that also has copper wire force, and the exciting current is passed through the exciting coil to generate the driving force. It is to make a linear motion.
- the rotational speed of the AC motor (linear motor linear motion speed) is basically proportional to the supply frequency.
- the AC motor is controlled by converting the commercial power supply into direct current and then converting the direct current into alternating current with an arbitrary frequency.
- the power to control the width of the output voltage wave, the half of the output voltage wave is cut, and the ratio of the pulse width is determined.
- the changing pulse width modulation (PWM (Pulse Width Modulation)) method is often used.
- the time constant (L / R) becomes very small because the number of exciting coil windings is small, resulting in faster current response to voltage.
- the current waveform that flows through the exciting coil is preferably a sine wave, but problems such as the vibration of the motor due to superposition of harmonic components or the generation of abnormal noise become obvious. I have done it.
- Patent Document 1 As a prior art that takes up the inductance value of an exciting coil as a motor control parameter in the control of an AC motor, there is Patent Document 1 below.
- Patent Document 1 relates to a motor control and a control method thereof. Despite the fact that the inductance value of the motor winding changes depending on the motor speed and temperature, etc., the motor applied voltage or motor current was calculated with the inductance value as a fixed value. Although this has led to a decrease in motor efficiency, Patent Document 1 discloses that a motor constant is extracted based on the motor usage environment and a control signal is generated based on the extracted motor constant as a means for preventing this. ing.
- Patent Document 1 is different from the present invention in that it does not solve the problem of control of a small AC motor with a very small time constant, and there is almost no document disclosing the prior art that solves such a problem. ,.
- Patent Document 1 JP 2002-369598 A
- an object of the present invention is to drive an AC motor that can use the conventional PWM method as it is, even if it is an ultra-small AC motor with an extremely small number of exciting coils, and that does not generate vibration and noise.
- An apparatus and an AC motor control method are provided.
- the present invention relates to an inverter that converts a DC voltage into an AC voltage and supplies the AC voltage to at least an AC motor, and a PWM device that controls the magnitude and frequency of the output voltage of the inverter by pulse width modulation.
- the AC motor driving apparatus including the AC motor driving apparatus, the AC motor driving apparatus changes the time constant of the AC motor in accordance with the PWM carrier frequency. It is provided with.
- the time constant (L / R) of an AC motor is very small (about several times), and the current response to voltage is quick. As a result, it becomes difficult to control the AC motor. However, if the time constant of the AC motor is adjusted according to the PWM carrier frequency, the current waveform of the exciting coil can be made closer to a sine wave, and the time constant is small. A small AC motor can be controlled.
- a time constant adjusting coil and / or a capacitor for adjusting a motor time constant is provided between the PWM device and the AC motor, and these capacitors are adjusted in accordance with the PWM carrier frequency.
- the motor time constant can be set, which makes it possible to control an ultra-small AC motor.
- a switching element is provided in parallel with the time constant adjusting coil, and the time constant adjusting coil is not added only during a period of a pulse that is first output from the PWM device when the AC motor starts the switching element. That is, the switching connected to the time constant adjusting coil in parallel is turned on. As a result, the force S can be reduced to reduce the time constant when the AC motor is started, and the current rise can be accelerated. By turning off the switching element after rising, the current waveform can be flattened, which makes it possible to perform ideal control.
- the conventional PWM method can be used as it is even for an ultra-compact AC motor with a very small number of exciting coil windings, and the motor does not generate vibration or noise.
- An apparatus can be provided.
- FIG. 1 is a perspective view showing an example of a linear motor actuator.
- FIG. 2 is a perspective view showing a state in which the table plate is removed from the linear motor actuator shown in FIG. 1.
- FIG. 3 is a perspective view showing details of the motor section of the linear motor actuator shown in FIG. 1.
- FIG. 4 is an equivalent circuit of an AC linear synchronous motor and a coil for adjusting a motor time constant.
- FIG. 6 is a diagram showing a connection with AC motor drive device 100 when a capacitor is inserted.
- FIG. 5 A diagram showing an output voltage pulse by a pulse width modulation method, an R—S line voltage waveform, and an excitation coil current waveform when the motor time constant is small.
- FIG. 6 A diagram showing the waveform of the exciting coil current when the coil is not inserted into the AC motor drive unit 100 and when it is inserted in order to adjust the time constant of the AC linear synchronous motor. is there.
- FIG. 7 is a connection diagram between an AC motor and a motor drive device when a time constant adjusting coil 111 and a switching element 112 are connected in parallel to the time constant adjusting unit 101.
- FIG. 8 Time (horizontal axis) vs. current (vertical axis) characteristics when switching element 112 is turned on at start-up and turned off after reaching the rated current, and characteristics when switching element 112 remains off It is the figure which showed comparison of these.
- FIG. 1 is a perspective view showing an embodiment of a linear motor actuator to which an AC motor driving device of the present invention is applied.
- the linear motor actuator includes a base member 1, a track rail 2 laid on the base member 1, a slide table 3 capable of freely moving back and forth along the track rail 2, and the slide. Promote table 3 on base member 1
- An AC linear synchronous motor 4 and an AC motor driving device 100 are configured.
- AC motor driving apparatus 100 includes a PWM device having a carrier frequency of 8 KHz.
- a base member 1 which is a constituent member of a linear motor actuator has a bottom plate 10 and a pair of side walls 11 and 11 erected on both sides of the bottom plate 10, and is formed in a channel shape.
- a mounting groove 12 for positioning the track rail 2 is formed in the bottom plate 10 along the longitudinal direction of the base member 1.
- the slide table 3 includes a slide block 5 that moves along the track rail 2 and a table plate 6 that is fixed to the slide block 5.
- FIG. 2 is a perspective view showing a state in which the table plate 6 is removed from the perspective view shown in FIG.
- the slide block 5 forms a linear guide together with the track rail 2, and guides the tape plate 6 along the track rail 2.
- the AC linear synchronous motor 4 is a synchronous linear motor having an inductance value of 22 a H, an electric resistance value of 2 ⁇ , and a time constant of 11 ⁇ s, and a plurality of fixed linear motors arranged in a row on each side wall 11 of the base member 1.
- the stator magnet 40 is composed of a pair of exciting coils 41 facing the stator magnet 40 with a slight gap and mounted on the slide table 3.
- stator magnet 40 On each side wall 11 of the base member 1, the stator magnet 40 is arranged so that the N pole and the S pole are alternately directed to the excitation coil 41. These stator magnets 40 are arranged on a synthetic resin holding plate 42, and the base member of the stator magnet 40 can be obtained by adhering the strong holding plate 42 to the inner surface of the side wall 11 of the base member 1. The sequence for 1 can be easily performed.
- the stator magnet 40 is integrated with the holding plate 42 by injection molding the holding plate 42.
- the exciting coil 41 is formed by winding a coil around a core member formed of a ferromagnetic material such as iron.
- a ferromagnetic material such as iron.
- Excitation coils 41 and 41 are formed by using the core plate 43.
- FIG. 3 is a perspective view showing a coupling state of the exciting coil 41 and the table plate 6, and the structure of the exciting coil 41 is drawn as a cross-sectional view.
- Excitation coil 41 is coil 4 on core plate 43 Formed by rolling 4
- the core plate 43 includes a central portion 43a coupled to the table plate 6 and a pair of core portions 43b and 43b located on both sides of the central portion 43a.
- Each core portion 43b includes a coil. Slots for accommodating 44 are respectively formed.
- each excitation coil 41 includes a three-phase coil 44 of u phase, V phase, and w phase, and the three-phase alternating current supplied by the AC motor drive device 100 is energized to these coils 44.
- a thrust along the arrangement direction of the stator magnet 40 is generated with respect to the exciting coil 41.
- a bracket 13 having a substantially L-shaped cross section is fixed to one side wall of the base member 1 (FIG. 2), and a linear scale 14 is formed on the upper surface of the bracket 13 along the longitudinal direction of the base member 1. It is pasted.
- An encoder 15 that reads the linear scale 14 according to the movement of the table plate 6 is fixed to the lower surface of the table plate 6, and pulse signals are output at intervals corresponding to the moving speed of the table plate 6. To do.
- a flexible printed wiring board (FPC) is used for energizing the exciting coil 41 and transmitting the output signal of the encoder 15, and these FPCs are fixed to the lower surface of the table plate 6 and are used as base members. It is pulled out to the side of 1 and connected to the AC motor drive device 100.
- FPC flexible printed wiring board
- the stator magnet 40 is arranged in the excitation coil 41.
- a thrust along the direction is generated, and the slide table 3 moves back and forth along the track rail 2.
- the encoder 15 reads the linear scale 14 and outputs an output signal corresponding to the moving speed and moving distance of the slide table 3.By controlling the energization to the exciting coil 41 while referring to the output signal of the encoder 15, The reciprocating motion of the slide table 3 can be controlled arbitrarily.
- FIG. 4 is a connection diagram showing the connection between the above-described AC linear synchronous motor 4 and the AC motor driving apparatus 100 for controlling the same.
- a time constant adjusting coil 111 for adjusting the time constant of the AC motor is provided at the voltage output terminal of the AC motor driving apparatus 100.
- AC motor The driving device 100 controls the AC linear synchronous motor 4 by the PWM method.
- the time constant adjusting coil 111 may be provided in combination with a capacitor (Fig. 4, lower diagram).
- FIG. 5 is a diagram showing the R phase, S phase, and T phase output voltage waveforms of AC motor driving apparatus 100, the voltage waveform flowing between R phase and S phase of AC linear synchronous motor 4, and the like.
- Figure 5 (a) shows a case where a sine wave control signal with a frequency equal to the fundamental frequency is superimposed on a triangular wave carrier with a frequency sufficiently higher than this frequency, and the inverter is commutated at the intersection. It is the figure which showed the child.
- the magnitude and frequency of the output voltage are controlled by adjusting the amplitude and frequency of the sine wave signal.
- the carrier frequency determines the number of times the output voltage is cut, and determines the frequency of the harmonics included in the output.
- Figure 5 (b) shows the output voltage waveforms for the R, S, and T phases when the output voltage is cut by the method described above.
- the voltage between the phases (in Fig. 5 (b), the R-S phase is shown. (Shown) is adjusted to be as sine wave (removal of lower harmonics) as possible.
- FIG. 5 (c) shows the output voltage waveform of a part of the R-phase-one-S-phase line voltage shown in FIG. 5 (b) and the waveform of the exciting coil current at that time.
- the carrier frequency is 8 KHz and the time constant of AC linear synchronous motor 4 is 11 / s
- the current cannot follow the voltage as shown in the lower figure of Fig. 5 (c)
- the current waveform pulsates.
- the excitation coil current waveform of the AC linear synchronous motor 4 is not a clean sine wave, and current control becomes difficult.
- a time constant adjusting coil 111 for adjusting the AC linear synchronous motor time constant is added to the PWM output terminal.
- the time constant adjusting coil 111 added here is preferably determined in relation to the carrier frequency. For example, when the carrier frequency is 8 kHz (periodic force 25 / s), the AC linear synchronous motor 4 It is preferable to provide the time constant adjusting coil 111 so that the time constant becomes large (more than 125 ⁇ s), more preferably, the time constant is 2 to 5 times the carrier frequency period.
- An adjustment coil 111 is provided.
- the time constant adjusting coil 111 may be adjusted by combining a capacitor with the time constant adjusting coil 111 as described above.
- Figure 6 shows the current waveform of an AC linear synchronous motor 4 with an exciting coil inductance of 22 ⁇
- Fig. 6 (a) shows the current waveform when 1000 / i H is added as the time constant adjusting coil 111 (Fig. 6 (b)).
- the time constant adjustment coil 111 Without the time constant adjustment coil 111, the current cannot follow the voltage and pulsates greatly (triangular waveform: Fig. 6 (a), whereas the time constant adjustment coil 111 is inserted.
- the current waveform without pulsation (Fig. 6 (b)) was obtained, and a current waveform almost similar to a sine wave was obtained.
- FIG. 7 is a diagram showing an embodiment in which a time constant adjusting coil 111 for adjusting the time constant of the AC linear synchronous motor 4 and a switching element 112 are connected in parallel thereto as the time constant adjusting unit 101. It is.
- the AC linear synchronous motor 4 is started by supplying a starting current from the AC motor driving apparatus 100 to the AC linear synchronous motor 4, and it is desirable that the starting current reaches a predetermined current value as soon as possible.
- the rise time of the starting current is determined by the time constant of the AC linear synchronous motor 4 including the time constant adjusting coil 111, the time constant adjusting coil 111 is added at the time of starting. As shown, the rise of current is delayed.
- a switching element 112 (triac) is provided in parallel with the time constant adjusting coil 111 and ON control is performed so that the starting current flows through the triac 112 until the starting current rises.
- a force using a triac as a switching element is not particularly limited as long as it is an element that can be energized in both directions, such as a phototriat cab and a solid state relay.
- the triac 112 is turned off, and control is performed so that the drive current of the AC linear synchronous motor 4 flows through the time constant adjusting coil 111.
- the force S can be controlled stably.
- the O ⁇ OFF time shown in Fig. 8 is the carrier period of the PWM device.
- the vertical axis represents the current value (Arms) determined by the motor parameters.
- a square linear motor was selected as the AC linear synchronous motor of the linear motor actuator.
- the current rating is 0.27 Arms and the maximum current is 0.8 Arms.
- Electrical resistance is 2 ⁇ , inductance is 22 ⁇
- the time constant of this AC motor is 11 S.
- a round linear motor was selected as the AC linear synchronous motor of the linear motor actuator.
- This round linear motor has a rated thrust of 0.048 mm and a maximum thrust of 0.145 mm.
- the current rating is 0.1 Arms and the maximum current is 0.3 Arms.
- the electrical resistance is 13.2 ⁇
- the inductance is 16 ⁇
- the time constant of this AC motor is 1.21 ⁇ s.
- a 3000 / i H coil is added to each phase of the output end of the AC motor drive unit 100 as the time constant adjustment coil 111 of this AC linear synchronous motor, thereby adjusting the time constant to 324 / s.
- the vibration and abnormal noise of the AC motor disappeared, and the linear motor actuator could be controlled stably.
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Control Of Linear Motors (AREA)
- Control Of Ac Motors In General (AREA)
- Inverter Devices (AREA)
Abstract
Description
Claims
Priority Applications (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2007800106659A CN101411053B (zh) | 2006-03-31 | 2007-03-26 | 交流电动机驱动装置以及控制方法 |
| EP07739699.2A EP2012423B1 (en) | 2006-03-31 | 2007-03-26 | Ac motor driving apparatus and control method |
| US12/295,069 US8076890B2 (en) | 2006-03-31 | 2007-03-26 | AC motor driving apparatus and control method |
| JP2008508537A JP5165554B2 (ja) | 2006-03-31 | 2007-03-26 | 交流モータ駆動装置および制御方法 |
Applications Claiming Priority (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2006098311 | 2006-03-31 | ||
| JP2006-098311 | 2006-03-31 | ||
| JP2006-124930 | 2006-04-28 | ||
| JP2006124930 | 2006-04-28 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| WO2007114109A1 true WO2007114109A1 (ja) | 2007-10-11 |
Family
ID=38563378
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PCT/JP2007/056261 Ceased WO2007114109A1 (ja) | 2006-03-31 | 2007-03-26 | 交流モータ駆動装置および制御方法 |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US8076890B2 (ja) |
| EP (1) | EP2012423B1 (ja) |
| JP (1) | JP5165554B2 (ja) |
| CN (1) | CN101411053B (ja) |
| TW (1) | TWI408890B (ja) |
| WO (1) | WO2007114109A1 (ja) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2011035991A (ja) * | 2009-07-30 | 2011-02-17 | Hitachi Automotive Systems Ltd | 電力変換装置 |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101270048B1 (ko) * | 2005-08-29 | 2013-05-31 | 코닌클리케 필립스 일렉트로닉스 엔.브이. | 부상력 및 횡단력 성능을 갖는 무철심형 자기 선형 모터 |
| EP2104221A1 (de) * | 2008-03-22 | 2009-09-23 | Grundfos Management A/S | Verfahren zum Ansteuern eines mehrphasigen in Sternschaltung betriebenen Elektromotors |
| JP5549384B2 (ja) * | 2010-06-03 | 2014-07-16 | 日産自動車株式会社 | 電動機の制御装置および電動機制御システム |
| TWI487268B (zh) * | 2013-06-03 | 2015-06-01 | 大同股份有限公司 | 同步馬達的激磁電路及其運作方法 |
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2007
- 2007-03-26 EP EP07739699.2A patent/EP2012423B1/en active Active
- 2007-03-26 JP JP2008508537A patent/JP5165554B2/ja active Active
- 2007-03-26 CN CN2007800106659A patent/CN101411053B/zh active Active
- 2007-03-26 WO PCT/JP2007/056261 patent/WO2007114109A1/ja not_active Ceased
- 2007-03-26 US US12/295,069 patent/US8076890B2/en active Active
- 2007-03-30 TW TW096111258A patent/TWI408890B/zh active
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| JPH0326486A (ja) * | 1989-06-19 | 1991-02-05 | Matsushita Electric Ind Co Ltd | 調整ボルトチャック機構 |
| JP2002369598A (ja) | 2001-06-11 | 2002-12-20 | Toyota Industries Corp | モータ装置およびその制御方法 |
| JP2003037993A (ja) * | 2001-07-25 | 2003-02-07 | Nikon Corp | アクチュエータ駆動回路、ステージ装置、及び露光装置 |
| JP2006098311A (ja) | 2004-09-30 | 2006-04-13 | Clarion Co Ltd | ナビゲーションシステム |
| JP2006124930A (ja) | 2004-10-26 | 2006-05-18 | Takenaka Komuten Co Ltd | 建物の架構構法 |
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| See also references of EP2012423A4 |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2011035991A (ja) * | 2009-07-30 | 2011-02-17 | Hitachi Automotive Systems Ltd | 電力変換装置 |
| US8547041B2 (en) | 2009-07-30 | 2013-10-01 | Hitachi Automotive Systems, Ltd. | Power conversion device |
Also Published As
| Publication number | Publication date |
|---|---|
| EP2012423A1 (en) | 2009-01-07 |
| TWI408890B (zh) | 2013-09-11 |
| US20090322265A1 (en) | 2009-12-31 |
| TW200746612A (en) | 2007-12-16 |
| EP2012423A4 (en) | 2016-05-11 |
| CN101411053B (zh) | 2011-09-28 |
| JPWO2007114109A1 (ja) | 2009-08-13 |
| CN101411053A (zh) | 2009-04-15 |
| JP5165554B2 (ja) | 2013-03-21 |
| US8076890B2 (en) | 2011-12-13 |
| EP2012423B1 (en) | 2020-04-29 |
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