Vijay K. Maddali

Person

Rockford, IL, US

People

Patents Grantslast 30 patents

Information Patent Grant
Automatic fault isolation methodology
- Patent number 10,432,120
- Issue date Oct 1, 2019
- Hamilton Sundstrand Corporation
- Vijay K. Maddali
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Overvoltage limiter in an aircraft electrical power generation system
- Patent number 8,970,183
- Issue date Mar 3, 2015
- Hamilton Sundstrand Corporation
- Vijay K. Maddali
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Overvoltage prevention in an aircraft electrical power generation s...
- Patent number 8,941,955
- Issue date Jan 27, 2015
- Hamilton Sundstrand Corporation
- Carl A. Wagner
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Starter voltage reducing synchronous machine
- Patent number 8,305,049
- Issue date Nov 6, 2012
- Hamilton Sundstrand Corporation
- Vijay K. Maddali
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Engine having power bus fault short circuit control with a disconne...
- Patent number 8,213,136
- Issue date Jul 3, 2012
- Pratt & Whitney Canada Corp.
- Vijay K. Maddali
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Method of detecting a sustained parallel source condition
- Patent number 8,120,206
- Issue date Feb 21, 2012
- Hamilton Sundstrand Corporation
- Jeffrey D. Myroth
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
On-line measurement of an induction machine's rotor time constant b...
- Patent number 8,115,441
- Issue date Feb 14, 2012
- Hamilton Sundstrand Corporation
- Charles J. Romenesko
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Shorted rotating diode detection and protection
- Patent number 8,072,191
- Issue date Dec 6, 2011
- Hamilton Sundstrand Corporation
- Vijay K. Maddali
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Torque oscillation monitoring
- Patent number 8,056,417
- Issue date Nov 15, 2011
- Hamilton Sundstrand Corporation
- Albert L Markunas
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Negative sequence carrier signal controller
- Patent number 8,004,222
- Issue date Aug 23, 2011
- Hamilton Sundstrand Corporation
- Vijay K. Maddali
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Active damping for synchronous generator torsional oscillations
- Patent number 7,884,581
- Issue date Feb 8, 2011
- Hamilton Sundstrand Corporation
- Albert L Markunas
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Generator for gas turbine engine having DC bus fault short circuit...
- Patent number 7,876,542
- Issue date Jan 25, 2011
- Hamilton Sundstrand Corporation
- Gregory I. Rozman
- B64 - AIRCRAFT AVIATION COSMONAUTICS
Information Patent Grant
Dual channel power generation system
- Patent number 7,852,049
- Issue date Dec 14, 2010
- Hamilton Sundstrand Corporation
- Vijay K. Maddali
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Active damping for synchronous generator torsional oscillations
- Patent number 7,808,215
- Issue date Oct 5, 2010
- Hamilton Sundstrand Corporation
- Albert L Markunas
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Starter/generator system with control to address a voltage rise
- Patent number 7,786,708
- Issue date Aug 31, 2010
- Pratt & Whitney Canada Corp.
- Gregory I. Rozman
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
System and method for suppressing DC link voltage buildup due to ge...
- Patent number 7,746,038
- Issue date Jun 29, 2010
- Hamilton Sundstrand Corporation
- Vijay K. Maddali
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Method of operating a brushless motor wherein open loop and closed...
- Patent number 7,638,959
- Issue date Dec 29, 2009
- Hamilton Sundstrand Corporation
- Gregory I. Rozman
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Hybrid electromechanical power transfer system
- Patent number 7,619,327
- Issue date Nov 17, 2009
- Hamilton Sundstrand Corporation
- Gregory I Rozman
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Rotor position detection at standstill and low speeds using a low p...
- Patent number 7,583,046
- Issue date Sep 1, 2009
- Hamilton Sundstrand Corporation
- Vijay K Maddali
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Signal control for motor position determination
- Patent number 7,466,088
- Issue date Dec 16, 2008
- Hamilton Sundstrand Corporation
- Charles J. Romenesko
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Generating system with a regulated permanent magnet machine and an...
- Patent number 7,400,117
- Issue date Jul 15, 2008
- Hamilton Sundstrand Corporation
- Gregory I. Rozman
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Fault tolerant synchronisation source for excitation control of a t...
- Patent number 7,375,499
- Issue date May 20, 2008
- Hamilton Sundstrand Corporation
- Vijay K. Maddali
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Digital real and reactive load division control
- Patent number 7,091,702
- Issue date Aug 15, 2006
- Hamilton Sundstrand Corporation
- David J. Mrowiec
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Carrier injection sensorless control of aircraft variable frequency...
- Patent number 7,034,497
- Issue date Apr 25, 2006
- Hamilton Sundstrand Corporation
- Albert L. Markunas
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Excessive voltage protector for a variable frequency generating system
- Patent number 6,850,043
- Issue date Feb 1, 2005
- Hamilton Sundstrand Corporation
- Vijay Maddali
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Voltage regulator and method for DC power generating system
- Patent number 5,554,923
- Issue date Sep 10, 1996
- Sundstrand Corporation
- Vijay Maddali
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Engine starting system utilizing multiple controlled acceleration r...
- Patent number 5,430,362
- Issue date Jul 4, 1995
- Sundstrand Corporation
- Kenneth R. Carr
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
Rotor position detector with back EMF voltage estimation
- Patent number 5,384,527
- Issue date Jan 24, 1995
- Sundstrand Corporation
- Gregory I. Rozman
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
Harmonic control for an inverter by use of an objective function
- Patent number 5,383,107
- Issue date Jan 17, 1995
- Sundstrand Corporation
- Christopher E. Hopkins
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Harmonic feedback control for an inverter
- Patent number 5,327,335
- Issue date Jul 5, 1994
- Sundstrand Corporation
- Vijay K. Maddali
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER

Patents Applicationslast 30 patents

Information Patent Application
OVERVOLTAGE LIMITER IN AN AIRCRAFT ELECTRICAL POWER GENERATION SYSTEM
- Publication number 20150137786
- Publication date May 21, 2015
- Hamilton Sundstrand Corporation
- Vijay K. Maddali
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
AUTOMATIC FAULT ISOLATION METHODOLOGY
- Publication number 20130271878
- Publication date Oct 17, 2013
- Vijay K. Maddali
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
OVERVOLTAGE PROTECTION DURING GCU FAILURE
- Publication number 20130182354
- Publication date Jul 18, 2013
- Hamilton Sundstrand Corporation
- Vijay K Maddali
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
OVERVOLTAGE PREVENTION IN AN AIRCRAFT ELECTRICAL POWER GENERATION S...
- Publication number 20130003231
- Publication date Jan 3, 2013
- Carl A. Wagner
- G01 - MEASURING TESTING
Information Patent Application
OVERVOLTAGE LIMITER IN AN AIRCRAFT ELECTRICAL POWER GENERATION SYSTEM
- Publication number 20120182648
- Publication date Jul 19, 2012
- Vijay K. Maddali
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
ACTIVE DAMPING FOR SYNCHRONOUS GENERATOR TORSIONAL OSCILLATIONS
- Publication number 20100327820
- Publication date Dec 30, 2010
- Hamilton Sundstrand Corporation
- Albert L. Markunas
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
STARTER VOLTAGE REDUCING SYNCHRONOUS MACHINE
- Publication number 20100253294
- Publication date Oct 7, 2010
- Vijay K. Maddali
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
Torque Oscillation Monitoring
- Publication number 20100175478
- Publication date Jul 15, 2010
- Albert L. Markunas
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
NEGATIVE SEQUENCE CARRIER SIGNAL CONTROLLER
- Publication number 20100072930
- Publication date Mar 25, 2010
- Hamilton Sundstrand Corporation
- Vijay K. Maddali
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
METHOD OF DETECTING A SUSTAINED PARALLEL SOURCE CONDITION
- Publication number 20100060288
- Publication date Mar 11, 2010
- Jeffrey D. Myroth
- G01 - MEASURING TESTING
Information Patent Application
Dual Channel Power Generation System
- Publication number 20090261586
- Publication date Oct 22, 2009
- Vijay K. Maddali
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
SHORTED ROTATING DIODE DETECTION AND PROTECTION
- Publication number 20090167257
- Publication date Jul 2, 2009
- Vijay K. Maddali
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
System and method for suppressing DC link voltage buildup due to ge...
- Publication number 20090167256
- Publication date Jul 2, 2009
- Hamilton Sundstrand Corporation
- Vijay K. Maddali
- G01 - MEASURING TESTING
Information Patent Application
METHOD OF OPERATING A BRUSHLESS MOTOR WHEREIN OPEN LOOP AND CLOSED...
- Publication number 20090153083
- Publication date Jun 18, 2009
- Gregory I. Rozman
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
STARTER/GENERATOR SYSTEM WITH CONTROL TO ADDRESS A VOLTAGE RISE
- Publication number 20090091132
- Publication date Apr 9, 2009
- Gregory I. Rozman
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information Patent Application
GENERATOR FOR GAS TURBINE ENGINE HAVING DC BUS FAULT SHORT CIRCUIT...
- Publication number 20090045293
- Publication date Feb 19, 2009
- Gregory I. Rozman
- B64 - AIRCRAFT AVIATION COSMONAUTICS
Information Patent Application
ENGINE HAVING POWER BUS FAULT SHORT CIRCUIT CONTROL WITH A DISCONNE...
- Publication number 20090045292
- Publication date Feb 19, 2009
- Vijay K. Maddali
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
On-line measurement of an induction machine's rotor time constant b...
- Publication number 20090021208
- Publication date Jan 22, 2009
- Hamilton Sundstrand Corporation
- Charles J. Romenesko
- G01 - MEASURING TESTING
Information Patent Application
Active damping for synchronous generator torsional oscillations
- Publication number 20090009129
- Publication date Jan 8, 2009
- Hamilton Sundstrand Corporation
- Albert L. Markunas
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
Hybrid electromechanical power transfer system
- Publication number 20090008993
- Publication date Jan 8, 2009
- Gregory I. Rozman
- Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Information Patent Application
Rotor position detection at standstill and low speeds using a low p...
- Publication number 20080315822
- Publication date Dec 25, 2008
- Vijay K. Maddali
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
Signal control for motor position determination
- Publication number 20070138880
- Publication date Jun 21, 2007
- Charles J. Romenesko
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
Fault tolerant synchronisation source for excitation control of a t...
- Publication number 20060159213
- Publication date Jul 20, 2006
- Vijay K. Maddali
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information Patent Application
DIGITAL REAL AND REACTIVE LOAD DIVISION CONTROL
- Publication number 20060119325
- Publication date Jun 8, 2006
- Hamilton Sundstrand Corporation
- David J. Mrowiec
- Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Information Patent Application
CARRIER INJECTION SENSORLESS CONTROL OF AIRCRAFT VARIABLE FREQUENCY...
- Publication number 20060061319
- Publication date Mar 23, 2006
- Hamilton Sundstrand
- Albert L. Markunas
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER

Vijay K. Maddali

Person

Patents Grantslast 30 patents

Automatic fault isolation methodology

Overvoltage limiter in an aircraft electrical power generation system

Overvoltage prevention in an aircraft electrical power generation s...

Starter voltage reducing synchronous machine

Engine having power bus fault short circuit control with a disconne...

Method of detecting a sustained parallel source condition

On-line measurement of an induction machine's rotor time constant b...

Shorted rotating diode detection and protection

Torque oscillation monitoring

Negative sequence carrier signal controller

Active damping for synchronous generator torsional oscillations

Generator for gas turbine engine having DC bus fault short circuit...

Dual channel power generation system

Active damping for synchronous generator torsional oscillations

Starter/generator system with control to address a voltage rise

System and method for suppressing DC link voltage buildup due to ge...

Method of operating a brushless motor wherein open loop and closed...

Hybrid electromechanical power transfer system

Rotor position detection at standstill and low speeds using a low p...

Signal control for motor position determination

Generating system with a regulated permanent magnet machine and an...

Fault tolerant synchronisation source for excitation control of a t...

Digital real and reactive load division control

Carrier injection sensorless control of aircraft variable frequency...

Excessive voltage protector for a variable frequency generating system

Voltage regulator and method for DC power generating system

Engine starting system utilizing multiple controlled acceleration r...

Rotor position detector with back EMF voltage estimation

Harmonic control for an inverter by use of an objective function

Harmonic feedback control for an inverter

Patents Applicationslast 30 patents

OVERVOLTAGE LIMITER IN AN AIRCRAFT ELECTRICAL POWER GENERATION SYSTEM

AUTOMATIC FAULT ISOLATION METHODOLOGY

OVERVOLTAGE PROTECTION DURING GCU FAILURE

OVERVOLTAGE PREVENTION IN AN AIRCRAFT ELECTRICAL POWER GENERATION S...

OVERVOLTAGE LIMITER IN AN AIRCRAFT ELECTRICAL POWER GENERATION SYSTEM

ACTIVE DAMPING FOR SYNCHRONOUS GENERATOR TORSIONAL OSCILLATIONS

STARTER VOLTAGE REDUCING SYNCHRONOUS MACHINE

Torque Oscillation Monitoring

NEGATIVE SEQUENCE CARRIER SIGNAL CONTROLLER

METHOD OF DETECTING A SUSTAINED PARALLEL SOURCE CONDITION

Dual Channel Power Generation System

SHORTED ROTATING DIODE DETECTION AND PROTECTION

System and method for suppressing DC link voltage buildup due to ge...

METHOD OF OPERATING A BRUSHLESS MOTOR WHEREIN OPEN LOOP AND CLOSED...

STARTER/GENERATOR SYSTEM WITH CONTROL TO ADDRESS A VOLTAGE RISE

GENERATOR FOR GAS TURBINE ENGINE HAVING DC BUS FAULT SHORT CIRCUIT...

ENGINE HAVING POWER BUS FAULT SHORT CIRCUIT CONTROL WITH A DISCONNE...

On-line measurement of an induction machine's rotor time constant b...

Active damping for synchronous generator torsional oscillations

Hybrid electromechanical power transfer system

Rotor position detection at standstill and low speeds using a low p...

Signal control for motor position determination

Fault tolerant synchronisation source for excitation control of a t...

DIGITAL REAL AND REACTIVE LOAD DIVISION CONTROL

CARRIER INJECTION SENSORLESS CONTROL OF AIRCRAFT VARIABLE FREQUENCY...