Inventor
Haihui Lu
Inventor
Shanghai, CN
Overview
Patents· 29 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
H02Pprimary
H02PControl or regulation of electric motors, electric generators or dynamo-electric converters37%
H02MApparatus for conversion between ac and ac, between ac and dc, or between dc and dc, and for use with mains or similar power supply systems14%
H02JElectric power networks8%
Y02EReduction of greenhouse gas [ghg] emissions, related to energy generation, transmission or distribution8%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests8%
G05FSystems for regulating electric or magnetic variables5%
F03DWind motors3%
G01BMeasuring length, thickness or similar linear dimensions3%
G01RMeasuring electric variables3%
H02HEmergency protective circuit arrangements3%
PatentTitleYear
10,862,332Grid-connected power converter control202010,727,772Predicting an induction machine load pattern202010,217,555Compact inductor20199,998,030Converter lifetime improvement method for doubly fed induction generator20189,960,723Motor drive with resonance detection and impedance computation20189,880,223'Parameter estimation system and method for an induction motor'20189,787,213'Power cell bypass method and apparatus for multilevel inverter'20179,685,898'Quasi vector motor controller'20179,590,547'Double fed induction generator (DFIG) converter and method for improved grid fault ridethrough'20179,350,275'Quasi variable frequency motor controller'20169,331,487'Method and apparatus for islanding detection for grid tie converters'20169,240,731'Power cell bypass method and apparatus for multilevel inverter'20169,041,234'Double fed induction generator (DFIG) converter and method for improved grid fault ridethrough'20158,742,767'Parameter estimation system and method for an induction motor'20148,736,091'Converter lifetime improvement method for doubly fed induction generator'20148,570,003'Double fed induction generator converter and method for suppressing transient in deactivation of crowbar circuit for grid fault ridethrough'20138,547,050'Control method and system with feedback indicative of load flux'20138,519,662'Method and apparatus for controlling motor torque'20138,432,052'Wind power converter system with grid side reactive power control'20138,203,304'Control method and system with feedback indicative of load flux'20127,868,581'Induction motor analysis and control method'20117,701,165'Induction motor controller'20107,649,756'Common mode noise reduction in converter systems through modification of single phase switching signal'20107,538,507'System and method for transient-based motor speed estimation with transient excitation'20097,358,700'Induction motor controller'20087,298,105'Motor speed estimation system and method using hybrid model reference adaptive system'20077,227,326'System and method for transient-based motor speed estimation with transient excitation'20077,193,387'System and method for motor speed estimation using hybrid model reference adaptive system'20077,164,254'Modulation methods and apparatus for reducing common mode voltages'2007Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2007–2020Patents assigned to ROCKWELL AUTOMATION TECH INC (27)· patent assignee history
2007–2020Based in Shanghai, CN· patent location history
2012–2016Patents assigned to LU HAIHUI (10)· patent assignee history
2012–2014Patents assigned to MESSERSMITH DAVID M (4)· patent assignee history
2013–2016Patents assigned to WEI LIXIANG (6)· patent assignee history
2013–2016Patents assigned to YUAN ZHENHUAN (6)· patent assignee history
2013Based in Haihui, CN· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| ROCKWELL AUTOMATION TECH INC | 27 | 2007–2020 |
| LU HAIHUIself | 10 | 2012–2016 |
| WEI LIXIANG | 6 | 2013–2016 |
| YUAN ZHENHUAN | 6 | 2013–2016 |
| MESSERSMITH DAVID M | 4 | 2012–2014 |
Locations
| Location | Patents | Span |
|---|---|---|
| Shanghai, CN | 28 | 2007–2020 |
| Haihui, CN | 1 | 2013 |