Inventor

Long Wu

Inventor
Fargo, ND, US

Overview

40→
Patents
2013–2020
Patent span
Electricity
Primary field (CPC H)

Patents· 40 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 converters49%
B60LPropulsion of electrically-propelled vehicles10%
Y02TClimate change mitigation technologies related to transportation8%
G01RMeasuring electric variables7%
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 systems7%
H02JElectric power networks3%
Y02BClimate change mitigation technologies related to buildings, e.g. housing, house appliances or related end-user applications3%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests3%
B62DMotor vehicles1%
G01DMeasuring not specially adapted for a specific variable1%
PatentTitleYear
10,804,808Method and system for controlling switching of a direct current to direct current converter202010,800,262Methods and systems for controlling a DC bus voltage from a three-phase voltage source202010,535,997Reactive power overexcitation regulation technology for synchronous generator202010,439,538Method and system for estimating a rotor position with a notch filter201910,348,222Systems and methods for reducing DC link voltage dynamics with limited energy storage element201910,333,439Methods of estimating a position of a rotor in a motor under transient and systems thereof201910,295,581Voltage sensor-less position detection in an active front end201910,270,327Voltage sensor-less position detection in an active front end201910,224,849System and method for an inverter for self-excitation of an induction machine201910,044,310Methods of auto tuning machine parameters and systems thereof201810,014,807System and method for an inverter for self-excitation of an induction machine201810,008,966Drive systems including sliding mode observers and methods of controlling the same20189,906,177'Low-frequency band suppression enhanced anti-reversal power system stabilizer'20189,735,722'Methods of controlling a machine using a torque command limit derived from a current limit and systems thereof'20179,698,722'Method and inverter with thermal management for controlling an electric machine'20179,595,907'System and method for controlling modulation of an inverter'20179,577,555'Methods of estimating a position of a rotor in a motor under transient and systems thereof'20179,559,630'System and method for controlling modulation of an inverter'20179,520,820'Method and apparatus for auto-tuning an electric machine current regulator'20169,475,403'DC bus voltage control'20169,442,029'Methods of torque estimation and compensation and systems thereof'20169,372,235'Methods of estimating rotor magnet temperature and systems thereof'20169,291,678'Method and controller for an electric motor with switch testing'20169,270,223'Methods of determining machine terminal voltage and systems thereof'20169,088,241'Drive systems including sliding mode observers and methods of controlling the same'20159,071,186'Method and apparatus for controlling an alternating current machine'20158,880,250'DC bus voltage control'20148,853,979'Method and system for calibrating rotor position offset of an electric motor'20148,796,983'Method and system for determining a position of a rotor of an electric motor with noise reduction'20148,779,705'Synchronization of position and current measurements in an electric motor control application using an FPGA'20148,744,794'Method and apparatus for characterizing an interior permanent magnet machine'20148,723,460'Method and system for controlling an electric motor with compensation for time delay in position determination'20148,648,555'Method and system for controlling an electric motor at or near stall conditions'20148,624,531'Method and system for evaluating electrical connections between a motor controller and motor'20148,552,673'Interior permanent magnet machine systems and methods for controlling interior permanent magnet machines'20138,547,045'Method and system controlling an electrical motor with temperature compensation'20138,531,141'System for calibrating an electrical control system'20138,456,115'Method and system for controlling an electric motor with variable switching frequency at variable operating speeds'20138,450,962'System for controlling a motor'20138,410,737'Device and method for generating an initial controller lookup table for an IPM machine'2013

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2013–2020Patents assigned to DEERE & CO (38)· patent assignee history
2013–2018Patents assigned to WU LONG (24)· patent assignee history
2013–2016Patents assigned to SHAW ROBERT (14)· patent assignee history
2013–2020Based in Fargo, ND, US· patent location history
2015–2019Patents assigned to UNIV NEBRASKA (4)· patent assignee history
2016–2017Patents assigned to WEBER ANTHONY (4)· patent assignee history
2018Based in Zhejiang, CN· patent location history
2020Based in Jiangsu, CN· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
DEERE & CO382013–2020
WU LONGself242013–2018
SHAW ROBERT142013–2016
UNIV NEBRASKA42015–2019
WEBER ANTHONY42016–2017
Locations
LocationPatentsSpan
Fargo, ND, US382013–2020
Jiangsu, CN12020
Zhejiang, CN12018