WO2009063786A1 - モータ制御装置とその制御方法 - Google Patents

モータ制御装置とその制御方法 Download PDF

Info

Publication number
WO2009063786A1
WO2009063786A1 PCT/JP2008/070169 JP2008070169W WO2009063786A1 WO 2009063786 A1 WO2009063786 A1 WO 2009063786A1 JP 2008070169 W JP2008070169 W JP 2008070169W WO 2009063786 A1 WO2009063786 A1 WO 2009063786A1
Authority
WO
WIPO (PCT)
Prior art keywords
unit
modulation wave
modulation
control device
instruction
Prior art date
Application number
PCT/JP2008/070169
Other languages
English (en)
French (fr)
Inventor
Shinya Morimoto
Mamoru Takaki
Original Assignee
Kabushiki Kaisha Yaskawa Denki
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 Kabushiki Kaisha Yaskawa Denki filed Critical Kabushiki Kaisha Yaskawa Denki
Priority to CN2008801152146A priority Critical patent/CN101855825B/zh
Priority to EP08850998A priority patent/EP2211457A1/en
Priority to JP2009541106A priority patent/JP5257365B2/ja
Publication of WO2009063786A1 publication Critical patent/WO2009063786A1/ja
Priority to US12/779,900 priority patent/US8269441B2/en

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
    • H02P21/00—Arrangements or methods for the control of electric machines by vector control, e.g. by control of field orientation
    • H02P21/06—Rotor flux based control involving the use of rotor position or rotor speed sensors
    • 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
    • H02P21/00—Arrangements or methods for the control of electric machines by vector control, e.g. by control of field orientation
    • H02P21/0085—Arrangements or methods for the control of electric machines by vector control, e.g. by control of field orientation specially adapted for high speeds, e.g. above nominal speed
    • H02P21/0089—Arrangements or methods for the control of electric machines by vector control, e.g. by control of field orientation specially adapted for high speeds, e.g. above nominal speed using field weakening
    • 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
    • H02M7/00—Conversion of ac power input into dc power output; Conversion of dc power input into ac power output
    • H02M7/42—Conversion of dc power input into ac power output without possibility of reversal
    • H02M7/44—Conversion of dc power input into ac power output without possibility of reversal by static converters
    • H02M7/48—Conversion of dc power input into ac power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode
    • H02M7/53—Conversion of dc power input into ac power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal
    • H02M7/537—Conversion of dc power input into ac power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only, e.g. single switched pulse inverters
    • H02M7/5387—Conversion of dc power input into ac power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only, e.g. single switched pulse inverters in a bridge configuration
    • H02M7/53871—Conversion of dc power input into ac power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only, e.g. single switched pulse inverters in a bridge configuration with automatic control of output voltage or current
    • H02M7/53875—Conversion of dc power input into ac power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only, e.g. single switched pulse inverters in a bridge configuration with automatic control of output voltage or current with analogue control of three-phase output
    • H02M7/53876—Conversion of dc power input into ac power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only, e.g. single switched pulse inverters in a bridge configuration with automatic control of output voltage or current with analogue control of three-phase output based on synthesising a desired voltage vector via the selection of appropriate fundamental voltage vectors, and corresponding dwelling times
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P80/00—Climate change mitigation technologies for sector-wide applications
    • Y02P80/10—Efficient use of energy, e.g. using compressed air or pressurized fluid as energy carrier

Abstract

　パワー変換回路のＤＣ母線電圧が変動する場合でも、常に最大電圧で運転し高効率化したモータ制御装置とその制御方法を提供する。 　ｄ、ｑ軸電流指令演算部（１、２）と、ｄｑ変換部（９）と、電流制御部（３）と、変調波指令演算部（５）と、ＰＷＭ生成部（６）と、を備えたモータ制御装置において、第１変調波指令を制限して第２変調波指令を生成する変調波指令制限部と（１３）、第１変調波指令と変調波指令制限部の制限値から変調率飽和度を求める変調率飽和度演算部（１４）と、変調率飽和度に基づいてｄ軸電流指令値を補正する弱め界磁制御部（４）と、を備えた。
PCT/JP2008/070169 2007-11-15 2008-11-06 モータ制御装置とその制御方法 WO2009063786A1 (ja)

Priority Applications (4)

Application Number Priority Date Filing Date Title
CN2008801152146A CN101855825B (zh) 2007-11-15 2008-11-06 马达控制装置与其控制方法
EP08850998A EP2211457A1 (en) 2007-11-15 2008-11-06 Motor control device and control method thereof
JP2009541106A JP5257365B2 (ja) 2007-11-15 2008-11-06 モータ制御装置とその制御方法
US12/779,900 US8269441B2 (en) 2007-11-15 2010-05-13 Motor control apparatus

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2007-296988 2007-11-15
JP2007296988 2007-11-15

Related Child Applications (1)

Application Number Title Priority Date Filing Date
US12/779,900 Continuation US8269441B2 (en) 2007-11-15 2010-05-13 Motor control apparatus

Publications (1)

Publication Number Publication Date
WO2009063786A1 true WO2009063786A1 (ja) 2009-05-22

Family

ID=40638638

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2008/070169 WO2009063786A1 (ja) 2007-11-15 2008-11-06 モータ制御装置とその制御方法

Country Status (6)

Country Link
US (1) US8269441B2 (ja)
EP (1) EP2211457A1 (ja)
JP (1) JP5257365B2 (ja)
CN (1) CN101855825B (ja)
TW (1) TWI431925B (ja)
WO (1) WO2009063786A1 (ja)

Cited By (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101917157A (zh) * 2010-07-29 2010-12-15 东元总合科技（杭州）有限公司 电动机相电流重构方法
JP2011036098A (ja) * 2009-08-05 2011-02-17 Denso Corp 回転機の制御装置
JP2011066946A (ja) * 2009-09-15 2011-03-31 Toshiba Mach Co Ltd モータの電流制御方法及び制御装置
EP2366603A1 (en) * 2010-03-17 2011-09-21 Honda Motor Co., Ltd. Electric power steering apparatus and electric motor driving controller used for the apparatus
JP2012023926A (ja) * 2010-07-16 2012-02-02 National Taipei Univ Of Technology 三相交流誘導モーター駆動器の制御システム及びその弱磁制御方法
CN102386834A (zh) * 2010-08-27 2012-03-21 永济新时速电机电器有限责任公司 永磁同步电机的矢量控制方法和装置
CN102386836A (zh) * 2010-08-27 2012-03-21 永济新时速电机电器有限责任公司 永磁同步电机传动控制方法及装置
CN102386816A (zh) * 2010-08-27 2012-03-21 永济新时速电机电器有限责任公司 永磁同步电机的弱磁控制方法和装置
JP2012191749A (ja) * 2011-03-10 2012-10-04 Toyota Industries Corp モータインバータの制御方法、及び制御装置
JP2014171326A (ja) * 2013-03-04 2014-09-18 Denso Corp 回転電機制御装置
US9054622B2 (en) 2009-09-15 2015-06-09 Toshiba Kikai Kabushiki Kaisha Method of controlling a current of a motor and control device of a motor
JP5844006B1 (ja) * 2014-08-28 2016-01-13 三菱電機株式会社 電力変換装置および車両駆動システム
CN105262380A (zh) * 2015-10-08 2016-01-20 江苏科技大学 一种永磁同步电机弱磁运行时的定子磁链幅值给定方法
JP5844945B1 (ja) * 2014-08-28 2016-01-20 三菱電機株式会社 電力変換装置および車両駆動システム
JP2016052250A (ja) * 2015-11-19 2016-04-11 三菱電機株式会社 電力変換装置および車両駆動システム
WO2022186322A1 (ja) * 2021-03-05 2022-09-09 株式会社デンソー モータ制御装置、および、それを備えた電動パワーステアリング装置
WO2024034113A1 (ja) * 2022-08-12 2024-02-15 日立Astemo株式会社 インバータ制御装置

Families Citing this family (29)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5292995B2 (ja) * 2008-08-22 2013-09-18 株式会社ジェイテクト モータ制御装置及び電動パワーステアリング装置
US8450962B2 (en) * 2011-02-28 2013-05-28 Deere & Company System for controlling a motor
US9203335B2 (en) * 2011-04-21 2015-12-01 Nissan Motor Co., Ltd. Control device for electric motor and control method for electric motor
KR101562418B1 (ko) * 2011-07-05 2015-10-22 엘에스산전 주식회사 매입형 영구자석 동기 전동기의 구동장치
KR101562419B1 (ko) * 2011-07-05 2015-10-22 엘에스산전 주식회사 매입형 영구자석 동기 전동기의 구동장치
JP5447477B2 (ja) * 2011-09-28 2014-03-19 株式会社デンソー モータ制御装置及びモータ制御方法
CN103064021B (zh) 2011-10-18 2015-12-09 台达电子企业管理（上海）有限公司 感应电机励磁参数的测量装置及方法
CN103185839B (zh) * 2011-12-30 2015-07-08 台达电子企业管理（上海）有限公司 永磁电机电感参数测量装置及其方法
CN104205614B (zh) * 2012-03-22 2016-10-12 日产自动车株式会社 三相交流感应电机的控制装置以及三相交流感应电机的控制方法
KR101993379B1 (ko) 2012-09-11 2019-06-26 삼성전자주식회사 전동기를 구동하는 인버터의 출력전압을 제어하는 방법 및 장치.
US9369078B2 (en) 2013-03-11 2016-06-14 Steering Solutions Ip Holding Corporation Method of current reference generation for a motor
US9461574B2 (en) * 2013-03-12 2016-10-04 Steering Solutions Ip Holding Corporation Motor control system for determining a reference d-axis current and a q-axis current
US9531311B2 (en) 2013-03-13 2016-12-27 Steering Solutions Ip Holding Corporation Generation of a current reference to control a brushless motor
JP5717808B2 (ja) * 2013-07-18 2015-05-13 ファナック株式会社 同期電動機の電流制御装置
US9559630B2 (en) * 2014-03-28 2017-01-31 Deere & Company System and method for controlling modulation of an inverter
JP6398890B2 (ja) * 2014-10-21 2018-10-03 株式会社デンソー 回転電機の制御装置
JP6488192B2 (ja) * 2015-05-25 2019-03-20 日立オートモティブシステムズ株式会社 インバータ制御装置
CN106899250B (zh) * 2015-12-18 2019-06-14 北京宝沃汽车有限公司 用于永磁同步电机的弱磁控制方法、装置和系统及汽车
CN105490602B (zh) * 2016-01-04 2018-09-18 珠海格力电器股份有限公司 电机的控制方法、装置及伺服驱动器
CN105634365B (zh) * 2016-03-29 2018-01-09 山东大学 一种基于多种不连续pwm的永磁同步电机控制系统及方法
CN109451781B (zh) * 2016-07-20 2020-01-31 日本精工株式会社 电动助力转向装置
JP6827297B2 (ja) * 2016-11-04 2021-02-10 日立ジョンソンコントロールズ空調株式会社 電力変換装置および空気調和機
CN107013445B (zh) * 2017-03-24 2018-12-18 广东美芝精密制造有限公司 变频冰箱、压缩机及其低电压启动方法、系统
CN107659231B (zh) * 2017-09-18 2019-01-15 南京理工大学 一种超高速永磁同步电机转速控制方法
US10526008B1 (en) 2018-07-31 2020-01-07 Steering Solutions Ip Holding Corporation Machine current limiting for permanent magnet synchronous machines
JP6961096B2 (ja) * 2018-08-30 2021-11-05 日立Astemo株式会社 インバータ装置
EP3883123B1 (en) * 2018-11-16 2024-03-13 Panasonic Intellectual Property Management Co., Ltd. Motor control device
CN111277182B (zh) * 2019-12-06 2021-07-06 浙江零跑科技有限公司 一种车用永磁同步电机深度弱磁系统及其控制方法
CN112003502B (zh) * 2020-09-14 2022-07-26 苏州汇川技术有限公司 载波移相控制方法、系统及汽车电机控制器

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2003209996A (ja) 2002-01-15 2003-07-25 Toyo Electric Mfg Co Ltd 同期機の制御装置
JP2004215320A (ja) * 2002-12-26 2004-07-29 Aisin Aw Co Ltd 電動駆動制御装置、電動駆動制御方法及びそのプログラム
WO2005088822A1 (ja) * 2004-03-17 2005-09-22 Kabushiki Kaisha Yaskawa Denki モータ制御装置とそのｐｗｍインバータの変調波指令作成方法
JP2006254572A (ja) 2005-03-09 2006-09-21 Yaskawa Electric Corp 同期電動機の制御方法および制御装置
JP2007228744A (ja) * 2006-02-24 2007-09-06 Aisin Aw Co Ltd 電動駆動制御装置及び電動駆動制御方法
JP2007252052A (ja) 2006-03-15 2007-09-27 Hitachi Ltd 永久磁石モータのベクトル制御装置
JP2007274844A (ja) * 2006-03-31 2007-10-18 Aisin Aw Co Ltd 電動駆動制御装置及び電動駆動制御方法

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4230319B2 (ja) 2003-09-19 2009-02-25 鬼怒川ゴム工業株式会社 自動車用ウエザーストリップ
WO2005091488A1 (ja) * 2004-03-19 2005-09-29 Mitsubishi Denki Kabushiki Kaisha 電動機制御装置
JP4712638B2 (ja) * 2006-08-04 2011-06-29 本田技研工業株式会社 電動機の制御装置

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2003209996A (ja) 2002-01-15 2003-07-25 Toyo Electric Mfg Co Ltd 同期機の制御装置
JP2004215320A (ja) * 2002-12-26 2004-07-29 Aisin Aw Co Ltd 電動駆動制御装置、電動駆動制御方法及びそのプログラム
WO2005088822A1 (ja) * 2004-03-17 2005-09-22 Kabushiki Kaisha Yaskawa Denki モータ制御装置とそのｐｗｍインバータの変調波指令作成方法
JP2006254572A (ja) 2005-03-09 2006-09-21 Yaskawa Electric Corp 同期電動機の制御方法および制御装置
JP2007228744A (ja) * 2006-02-24 2007-09-06 Aisin Aw Co Ltd 電動駆動制御装置及び電動駆動制御方法
JP2007252052A (ja) 2006-03-15 2007-09-27 Hitachi Ltd 永久磁石モータのベクトル制御装置
JP2007274844A (ja) * 2006-03-31 2007-10-18 Aisin Aw Co Ltd 電動駆動制御装置及び電動駆動制御方法

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
BON-HO BAE; NITIN PATEL; STEVEN SCHULTZ; SEUNG-KI SUL: "New Field Weakening Technique for High Saliency Interior Permanent Magnet Motor", IEEE INDUSTRY APPLICATION CONFERENCE, 20 March 1013 (1013-03-20)
YOJI TAKEDA; NOBUYUKI MATSUI; SHIGEO MORIMOTO; YUKIO HONDA: "Design and Control of Interior Magnet Synchronous Motor", OHM-SHA, 20 January 1025 (1025-01-20), pages 26 - 27

Cited By (24)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8384327B2 (en) 2009-08-05 2013-02-26 Denso Corporation Control apparatus for electric rotating machine
JP2011036098A (ja) * 2009-08-05 2011-02-17 Denso Corp 回転機の制御装置
JP2011066946A (ja) * 2009-09-15 2011-03-31 Toshiba Mach Co Ltd モータの電流制御方法及び制御装置
US9054622B2 (en) 2009-09-15 2015-06-09 Toshiba Kikai Kabushiki Kaisha Method of controlling a current of a motor and control device of a motor
EP2366603A1 (en) * 2010-03-17 2011-09-21 Honda Motor Co., Ltd. Electric power steering apparatus and electric motor driving controller used for the apparatus
JP2012023926A (ja) * 2010-07-16 2012-02-02 National Taipei Univ Of Technology 三相交流誘導モーター駆動器の制御システム及びその弱磁制御方法
CN101917157A (zh) * 2010-07-29 2010-12-15 东元总合科技（杭州）有限公司 电动机相电流重构方法
CN102386834A (zh) * 2010-08-27 2012-03-21 永济新时速电机电器有限责任公司 永磁同步电机的矢量控制方法和装置
CN102386836A (zh) * 2010-08-27 2012-03-21 永济新时速电机电器有限责任公司 永磁同步电机传动控制方法及装置
CN102386816A (zh) * 2010-08-27 2012-03-21 永济新时速电机电器有限责任公司 永磁同步电机的弱磁控制方法和装置
CN102386834B (zh) * 2010-08-27 2014-04-23 永济新时速电机电器有限责任公司 永磁同步电机的矢量控制方法和装置
CN102386836B (zh) * 2010-08-27 2014-04-23 永济新时速电机电器有限责任公司 永磁同步电机传动控制方法及装置
JP2012191749A (ja) * 2011-03-10 2012-10-04 Toyota Industries Corp モータインバータの制御方法、及び制御装置
JP2014171326A (ja) * 2013-03-04 2014-09-18 Denso Corp 回転電機制御装置
JP5844006B1 (ja) * 2014-08-28 2016-01-13 三菱電機株式会社 電力変換装置および車両駆動システム
JP5844945B1 (ja) * 2014-08-28 2016-01-20 三菱電機株式会社 電力変換装置および車両駆動システム
WO2016031031A1 (ja) * 2014-08-28 2016-03-03 三菱電機株式会社 電力変換装置および車両駆動システム
WO2016031030A1 (ja) * 2014-08-28 2016-03-03 三菱電機株式会社 電力変換装置および車両駆動システム
US10033300B2 (en) 2014-08-28 2018-07-24 Mitsubishi Electric Corporation Power conversion device and vehicle drive system
US10148166B2 (en) 2014-08-28 2018-12-04 Mitsubishi Electric Corporation Power converter and vehicle driving system
CN105262380A (zh) * 2015-10-08 2016-01-20 江苏科技大学 一种永磁同步电机弱磁运行时的定子磁链幅值给定方法
JP2016052250A (ja) * 2015-11-19 2016-04-11 三菱電機株式会社 電力変換装置および車両駆動システム
WO2022186322A1 (ja) * 2021-03-05 2022-09-09 株式会社デンソー モータ制御装置、および、それを備えた電動パワーステアリング装置
WO2024034113A1 (ja) * 2022-08-12 2024-02-15 日立Astemo株式会社 インバータ制御装置

Also Published As

Publication number Publication date
US20100219780A1 (en) 2010-09-02
US8269441B2 (en) 2012-09-18
TW200935716A (en) 2009-08-16
EP2211457A1 (en) 2010-07-28
CN101855825A (zh) 2010-10-06
JPWO2009063786A1 (ja) 2011-03-31
CN101855825B (zh) 2013-07-31
JP5257365B2 (ja) 2013-08-07
TWI431925B (zh) 2014-03-21

Similar Documents

Publication Publication Date Title
WO2009063786A1 (ja) モータ制御装置とその制御方法
WO2008152929A1 (ja) モータ制御装置とその制御方法
WO2008096523A1 (ja) インバータ制御装置及びこのインバータ制御装置を用いた交流電動機制御装置
CN105207531B (zh) 一种电机软启动方法
US8030874B2 (en) Power converting apparatus
WO2009040884A1 (ja) 電動機の制御装置
MX2011011289A (es) Dispositivo transformador de energia.
WO2009120832A3 (en) Dc bus voltage harmonics reduction
WO2009054380A1 (ja) 電力変換装置
WO2008136072A1 (ja) インバータ制御装置
EP2524774A3 (en) Electronic switching module for a power tool
WO2009154985A3 (en) Power supply with standby power
WO2012173707A3 (en) Methods and apparatus for constant power/current control for switch-mode power converters
WO2008139518A1 (ja) 電力変換装置
WO2009057741A1 (ja) 電動機制御装置，駆動装置およびハイブリッド駆動装置
WO2009057388A1 (ja) 電動機制御装置，電気自動車およびハイブリッド電気自動車
AU2013227541B2 (en) Motor control device and motor control program
EA201070369A1 (ru) Система контроллёра электродвигателя и способ максимизации энергосбережения
WO2008108147A1 (ja) 電力変換装置
WO2012112468A3 (en) System and method of contrilling the speed of a motor based on dwell
WO2009126291A3 (en) Voltage estimation feedback of overmodulated signal
WO2008146446A1 (ja) 電力変換装置
EP2787633A3 (en) Motor control device
EP2372894A3 (en) Direct-current to three-phase alternating-current inverter system
JP2014128052A5 (ja)

Legal Events

Date Code Title Description
WWE Wipo information: entry into national phase

Ref document number: 200880115214.6

Country of ref document: CN

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

Ref document number: 08850998

Country of ref document: EP

Kind code of ref document: A1

WWE Wipo information: entry into national phase

Ref document number: 2009541106

Country of ref document: JP

REEP Request for entry into the european phase

Ref document number: 2008850998

Country of ref document: EP

WWE Wipo information: entry into national phase

Ref document number: 2008850998

Country of ref document: EP

NENP Non-entry into the national phase

Ref country code: DE