Inventor · disambiguated record
Mark M. Harbaugh
Also filed as: HARBAUGH MARK · HARBAUGH MARK M · HARBAUGH MARK MELVIN
14 granted patents·2 pending applications·382 citations·filing 1994–2013
93Inventor score
Top patents by PatentIndex Score
16 records- 0197US6636012B2Stator and rotor resistance identifier using high frequency injectionROCKWELL AUTOMATION TECH INC·Filed 2001·Granted Oct 21, 2003·101 cites·28 claims
- 0296US6703809B2Flux position identifier using high frequency injection with the presence of a rich harmonic spectrum in a responding signalROCKWELL AUTOMATION TECH INC·Filed 2002·Granted Mar 9, 2004·76 cites·22 claims
- 0394US8497655B2Method and apparatus for estimating rotor position in a sensorless synchronous motorLIU JINGBO·Filed 2012·Granted Jul 30, 2013·11 cites·18 claims
- 0494US7479756B2System and method for protecting a motor drive unit from motor back EMF under fault conditionsROCKWELL AUTOMATION TECH INC·Filed 2006·Granted Jan 20, 2009·46 cites·20 claims
- 0592US8228013B2Method and apparatus for automatically identifying electrical parameters in a sensor-less PMSMLIU JINGBO·Filed 2008·Granted Jul 24, 2012·28 cites·23 claims
- 0692US8009450B2Method and apparatus for phase current balance in active converter with unbalanced AC line voltage sourceROCKWELL AUTOMATION TECH INC·Filed 2008·Granted Aug 30, 2011·40 cites·20 claims
- 0781US6831440B1Flux position identifier using high frequency injectionROCKWELL AUTOMATION TECH INC·Filed 2003·Granted Dec 14, 2004·28 cites·25 claims
- 0872US7944164B2Method and apparatus for identifying orientation of a stationary rotor in a sensor-less PMSMROCKWELL AUTOMATION TECH INC·Filed 2008·Granted May 17, 2011·8 cites·14 claims
- 0970US7106024B2Filter with increased first harmonic response and reduced phase shift in a wide frequency band for encoderless drive applicationsROCKWELL AUTOMATION TECH INC·Filed 2003·Granted Sep 12, 2006·17 cites·26 claims
- 1064US8115437B2Torque limit of PM motors for field-weakening region operationROYAK SEMYON·Filed 2008·Granted Feb 14, 2012·5 cites·21 claims
- 1162US8330405B2Method and apparatus for increased current stability in a PWM driveROYAK SEMYON·Filed 2009·Granted Dec 11, 2012·4 cites·20 claims
- 1250US5428557ASheet material coil counterARCO HEATING & AIR CONDITIONIN·Filed 1994·Granted Jun 27, 1995·16 cites·43 claims
- 1347US7915852B2Universal adaptive torque control for PM motors for field-weakening region operationROCKWELL AUTOMATION TECH INC·Filed 2008·Granted Mar 29, 2011·1 cites·24 claims
- 1444US7609014B2System and method for universal adaptive torque control of permanent magnet motorsROCKWELL AUTOMATION TECH INC·Filed 2006·Granted Oct 27, 2009·1 cites·18 claims
- 1542US2010237817A1Method and Apparatus for Estimating Rotor Position in a Sensorless Synchronous MotorLIU JINGBO·Filed 2009·Application pending·0 cites
- 1636US2015091485A1Systems and methods for controlling a disconnect switch via a networkROCKWELL AUTOMATION TECH INC·Filed 2013·Application pending·0 cites
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