Inventor · disambiguated record
Haihui Lu
Also filed as: LU HAIHUI
33 granted patents·1 pending application·328 citations·filing 2005–2024
97Inventor score
Files withROCKWELL AUTOMATION TECH INC23LU HAIHUI6WEI LIXIANG2MESSERSMITH DAVID M1ROCKWELL INTERNAT TECHNOLOGIES1
Top patents by PatentIndex Score
34 records- 0195US8570003B2Double fed induction generator converter and method for suppressing transient in deactivation of crowbar circuit for grid fault ridethroughLU HAIHUI·Filed 2011·Granted Oct 29, 2013·18 cites·20 claims
- 0294US7164254B2Modulation methods and apparatus for reducing common mode voltagesROCKWELL AUTOMATION TECH INC·Filed 2005·Granted Jan 16, 2007·65 cites·14 claims
- 0393US7227326B1System and method for transient-based motor speed estimation with transient excitationROCKWELL AUTOMATION TECH INC·Filed 2006·Granted Jun 5, 2007·30 cites·34 claims
- 0493US7193387B1System and method for motor speed estimation using hybrid model reference adaptive systemROCKWELL AUTOMATION TECH INC·Filed 2006·Granted Mar 20, 2007·40 cites·20 claims
- 0591US7868581B2Induction motor analysis and control methodROCKWELL AUTOMATION TECH INC·Filed 2008·Granted Jan 11, 2011·20 cites·19 claims
- 0689US8432052B2Wind power converter system with grid side reactive power controlLU HAIHUI·Filed 2010·Granted Apr 30, 2013·19 cites·10 claims
- 0788US9041234B2Double fed induction generator (DFIG) converter and method for improved grid fault ridethroughLU HAIHUI·Filed 2012·Granted May 26, 2015·15 cites·12 claims
- 0885US9590547B2Double fed induction generator (DFIG) converter and method for improved grid fault ridethroughROCKWELL AUTOMATION TECH INC·Filed 2015·Granted Mar 7, 2017·6 cites·18 claims
- 0984US9787213B2Power cell bypass method and apparatus for multilevel inverterROCKWELL AUTOMATION TECH INC·Filed 2015·Granted Oct 10, 2017·4 cites·20 claims
- 1083US9240731B2Power cell bypass method and apparatus for multilevel inverterWEI LIXIANG·Filed 2013·Granted Jan 19, 2016·6 cites·15 claims
- 1183US8519662B2Method and apparatus for controlling motor torqueLU HAIHUI·Filed 2010·Granted Aug 27, 2013·6 cites·16 claims
- 1282US9880223B2Parameter estimation system and method for an induction motorROCKWELL AUTOMATION TECH INC·Filed 2014·Granted Jan 30, 2018·4 cites·20 claims
- 1381US9685898B2Quasi vector motor controllerROCKWELL AUTOMATION TECH INC·Filed 2014·Granted Jun 20, 2017·4 cites·20 claims
- 1479US7538507B2System and method for transient-based motor speed estimation with transient excitationROCKWELL INTERNAT TECHNOLOGIES·Filed 2007·Granted May 26, 2009·13 cites·16 claims
- 1578US10862332B2Grid-connected power converter controlROCKWELL AUTOMATION TECH INC·Filed 2019·Granted Dec 8, 2020·2 cites·20 claims
- 1678US9960723B2Motor drive with resonance detection and impedance computationROCKWELL AUTOMATION TECH INC·Filed 2016·Granted May 1, 2018·3 cites·20 claims
- 1778US7358700B2Induction motor controllerROCKWELL AUTOMATION TECH INC·Filed 2006·Granted Apr 15, 2008·13 cites·5 claims
- 1878US7298105B1Motor speed estimation system and method using hybrid model reference adaptive systemROCKWELL AUTOMATION TECH INC·Filed 2006·Granted Nov 20, 2007·16 cites·20 claims
- 1977US10727772B1Predicting an induction machine load patternROCKWELL AUTOMATION TECH INC·Filed 2019·Granted Jul 28, 2020·1 cites·20 claims
- 2077US9998030B2Converter lifetime improvement method for doubly fed induction generatorROCKWELL AUTOMATION TECH INC·Filed 2014·Granted Jun 12, 2018·3 cites·20 claims
- 2177US8742767B2Parameter estimation system and method for an induction motorMESSERSMITH DAVID M·Filed 2009·Granted Jun 3, 2014·8 cites·20 claims
- 2277US8736091B2Converter lifetime improvement method for doubly fed induction generatorWEI LIXIANG·Filed 2010·Granted May 27, 2014·4 cites·15 claims
- 2374US9331487B2Method and apparatus for islanding detection for grid tie convertersYUAN ZHENHUAN·Filed 2013·Granted May 3, 2016·7 cites·20 claims
- 2471US8203304B2Control method and system with feedback indicative of load fluxLU HAIHUI·Filed 2007·Granted Jun 19, 2012·7 cites·16 claims
- 2570US9350275B2Quasi variable frequency motor controllerROCKWELL AUTOMATION TECH INC·Filed 2014·Granted May 24, 2016·2 cites·22 claims
- 2668US7649756B2Common mode noise reduction in converter systems through modification of single phase switching signalROCKWELL AUTOMATION TECH INC·Filed 2006·Granted Jan 19, 2010·9 cites·38 claims
- 2762US12391495B2Magnet arrays for vehicle identification in an independent cart systemROCKWELL AUTOMATION TECH INC·Filed 2023·Granted Aug 19, 2025·0 cites·20 claims
- 2862US11258388B1Systems and methods for performing motor control operations agnostic of speed dataROCKWELL AUTOMATION TECH INC·Filed 2020·Granted Feb 22, 2022·0 cites·20 claims
- 2961US12413215B2Common mode termination matching method for digital communicationsROCKWELL AUTOMATION TECH INC·Filed 2024·Granted Sep 9, 2025·0 cites·20 claims
- 3061US8547050B2Control method and system with feedback indicative of load fluxLU HAIHUI·Filed 2012·Granted Oct 1, 2013·1 cites·13 claims
- 3156US11146165B2Grid-connected power converter controlROCKWELL AUTOMATION TECH INC·Filed 2020·Granted Oct 12, 2021·0 cites·20 claims
- 3249US2025253649A1Circuit to improve ethernet immunity to electrical fast transientROCKWELL AUTOMATION TECH INC·Filed 2024·Application pending·0 cites
- 3348US10217555B2Compact inductorROCKWELL AUTOMATION TECH INC·Filed 2015·Granted Feb 26, 2019·0 cites·20 claims
- 3444US7701165B2Induction motor controllerROCKWELL AUTOMATION TECH INC·Filed 2007·Granted Apr 20, 2010·2 cites·19 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →