Jackson Wai

Person

Dunlap, IL, US

People

Patents Grantslast 30 patents

Information Patent Grant
Techniques for limiting power using an active front end
- Patent number 12,142,922
- Issue date Nov 12, 2024
- Caterpillar Inc.
- Seok-hee Han
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Current protection to prevent overcurrent in electrical grids and m...
- Patent number 12,100,943
- Issue date Sep 24, 2024
- Caterpillar Inc.
- Jesse R. Gerdes
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
System and method of overcoming a dead-band in a switched reluctanc...
- Patent number 11,811,344
- Issue date Nov 7, 2023
- Caterpillar Inc.
- Jesse R. Gerdes
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information Patent Grant
Power based pulse injection control for SR self sensing
- Patent number 11,545,922
- Issue date Jan 3, 2023
- Caterpillar Inc.
- Jesse Ray Gerdes
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information Patent Grant
Switched reluctance self sensing active pulse torque compensation
- Patent number 11,515,824
- Issue date Nov 29, 2022
- Caterpillar Inc.
- Jesse R. Gerdes
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Modified flux observer for switched reluctance machines
- Patent number 10,938,332
- Issue date Mar 2, 2021
- Caterpillar Inc.
- Ahmed Khalil
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Switched reluctance motor control system
- Patent number 10,897,217
- Issue date Jan 19, 2021
- Caterpillar Inc.
- Ahmed Khalil
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Inverter topology
- Patent number 10,715,052
- Issue date Jul 14, 2020
- Caterpillar Inc.
- Ahmed Khalil
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
System to control a rotary electric machine
- Patent number 10,666,182
- Issue date May 26, 2020
- Caterpillar Inc.
- Carlos E. Nino Baron
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Optimized switched reluctance phase current control in a continuous...
- Patent number 10,476,421
- Issue date Nov 12, 2019
- Caterpillar Inc.
- Ahmed Khalil
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Sensorless control of switched reluctance machines for low speeds a...
- Patent number 10,193,475
- Issue date Jan 29, 2019
- Caterpillar Inc.
- Seok-hee Han
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Adjustable pulse injection in electric machine control
- Patent number 10,097,117
- Issue date Oct 9, 2018
- Caterpillar Inc.
- Ahmed Khalil
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Pulse injection current pattern for rotor position estimation
- Patent number 10,079,566
- Issue date Sep 18, 2018
- Caterpillar Inc.
- Ahmed Khalil
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Switched reluctance motor power estimation compensation for variabl...
- Patent number 9,941,831
- Issue date Apr 10, 2018
- Caterpillar Inc.
- Jason L. Miller
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information Patent Grant
Sensorless control of switched reluctance machines
- Patent number 9,899,946
- Issue date Feb 20, 2018
- Caterpillar Inc.
- Seok-hee Han
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Flux estimator for switched reluctance machines
- Patent number 9,800,192
- Issue date Oct 24, 2017
- Caterpillar Inc.
- Seok-hee Han
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Electric drive having an actively controlled DC bus
- Patent number 9,738,163
- Issue date Aug 22, 2017
- Caterpillar Inc.
- Rodwan Tarek Adra
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Method and apparatus for detecting phase imbalance of an electrical...
- Patent number 9,702,938
- Issue date Jul 11, 2017
- Caterpillar Inc.
- Jesse R. Gerdes
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Current profile strategy for minimizing torque ripple and current
- Patent number 9,647,595
- Issue date May 9, 2017
- Caterpillar Inc.
- Jackson Wai
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
System and method to control a switched reluctance machine in conti...
- Patent number 9,391,555
- Issue date Jul 12, 2016
- Caterpillar Inc.
- Jackson Wai
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Switched reluctance generator integrated controls
- Patent number 9,340,113
- Issue date May 17, 2016
- Caterpillar Inc.
- Jackson Wai
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Enforced zero voltage loop
- Patent number 9,099,954
- Issue date Aug 4, 2015
- Caterpillar Inc.
- Jackson Wai
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Turbine engine hybrid power supply
- Patent number 9,099,882
- Issue date Aug 4, 2015
- Caterpillar Inc.
- Bryan Gerard Lammers
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Switched reluctance generator integrated controls
- Patent number 8,975,878
- Issue date Mar 10, 2015
- Caterpillar Inc.
- Jackson Wai
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Compensating hysteresis bands to hold specified switching frequency
- Patent number 8,975,855
- Issue date Mar 10, 2015
- Caterpillar Inc.
- Jesse Gerdes
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Method of debouncing a variable frequency step signal
- Patent number 8,970,291
- Issue date Mar 3, 2015
- Caterpillar Inc.
- Jesse R Gerdes
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Dual generator single DC link configuration for electric drive prop...
- Patent number 8,901,760
- Issue date Dec 2, 2014
- Caterpillar Inc.
- Jackson Wai
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Hybrid closed loop speed control using open look position for elect...
- Patent number 8,901,869
- Issue date Dec 2, 2014
- Caterpillar Inc.
- Jackson Wai
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Switched reluctance initial rotor position estimation
- Patent number 8,866,433
- Issue date Oct 21, 2014
- Caterpillar Inc.
- Jesse Gerdes
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
FPDA closed loop electric drives controls
- Patent number 8,773,056
- Issue date Jul 8, 2014
- Caterpillar Inc.
- Jesse Gerdes
- B60 - VEHICLES IN GENERAL

Patents Applicationslast 30 patents

Information Patent Application
TECHNIQUES FOR LIMITING POWER USING AN ACTIVE FRONT END
- Publication number 20240079876
- Publication date Mar 7, 2024
- Caterpillar Inc.
- Seok-hee Han
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
TECHNIQUES FOR TRANSITIONING BETWEEN CONTROL MODES OF AN ACTIVE FR...
- Publication number 20240079870
- Publication date Mar 7, 2024
- Caterpillar Inc.
- Seok-hee Han
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
CURRENT PROTECTION TO PREVENT OVERCURRENT IN ELECTRICAL GRIDS AND M...
- Publication number 20230396054
- Publication date Dec 7, 2023
- Caterpillar Inc.
- Jesse R. Gerdes
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
Power Based Pulse Injection Control for SR Self Sensing
- Publication number 20220231626
- Publication date Jul 21, 2022
- Caterpillar Inc.
- Jesse Ray Gerdes
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information Patent Application
Switched Reluctance Self Sensing Active Pulse Torque Compensation
- Publication number 20220200502
- Publication date Jun 23, 2022
- Caterpillar Inc.
- Jesse R. Gerdes
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
SYSTEM AND METHOD OF OVERCOMING A DEAD-BAND IN A SWITCHED RELUCTANC...
- Publication number 20220200501
- Publication date Jun 23, 2022
- Caterpillar Inc.
- Jesse R. Gerdes
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information Patent Application
SWITCHED RELUCTANCE MOTOR CONTROL SYSTEM
- Publication number 20200067433
- Publication date Feb 27, 2020
- Caterpillar Inc.
- Ahmed KHALIL
- G01 - MEASURING TESTING
Information Patent Application
INVERTER TOPOLOGY
- Publication number 20200067422
- Publication date Feb 27, 2020
- Caterpillar Inc.
- Ahmed Khalil
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
ADJUSTABLE PULSE INJECTION IN ELECTRIC MACHINE CONTROL
- Publication number 20180175754
- Publication date Jun 21, 2018
- Caterpillar Inc.
- Ahmed KHALIL
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
FLUX ESTIMATOR FOR SWITCHED RELUCTANCE MACHINES
- Publication number 20170294858
- Publication date Oct 12, 2017
- Caterpillar Inc.
- Seok-hee Han
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
Sensorless Control of Switched Reluctance Machines
- Publication number 20170229992
- Publication date Aug 10, 2017
- Caterpillar Inc.
- Seok-hee Han
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
Sensorless Control of Switched Reluctance Machines for Low Speeds a...
- Publication number 20170126156
- Publication date May 4, 2017
- Caterpillar Inc.
- Seok-hee Han
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
Hybrid Hard Chopping and Soft Chopping Current Regulation
- Publication number 20160301347
- Publication date Oct 13, 2016
- Caterpillar Inc.
- Jesse Gerdes
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
Method and Apparatus for Detecting Phase Imbalance of an Electrical...
- Publication number 20160274191
- Publication date Sep 22, 2016
- Caterpillar Inc.
- Jesse R. Gerdes
- G01 - MEASURING TESTING
Information Patent Application
Hybrid Soft Switching for Current Regulation in Switched Reluctance...
- Publication number 20160248362
- Publication date Aug 25, 2016
- Caterpillar Inc.
- Carlos Nino Baron
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
ELECTRIC DRIVE HAVING AN ACTIVELY CONTROLLED DC BUS
- Publication number 20160152146
- Publication date Jun 2, 2016
- Caterpillar Inc.
- Rodwan Tarek Adra
- B60 - VEHICLES IN GENERAL
Information Patent Application
System and Method to Control a Switched Reluctance Machine in Conti...
- Publication number 20160087570
- Publication date Mar 24, 2016
- Caterpillar Inc.
- Jackson Wai
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
Sensorless Control of Switched Reluctance Machines for Low Speeds a...
- Publication number 20150381087
- Publication date Dec 31, 2015
- Caterpillar Inc.
- Seok-hee Han
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
Current Profile Strategy for Minimizing Torque Ripple and Current
- Publication number 20150318806
- Publication date Nov 5, 2015
- Caterpillar Inc.
- Jackson Wai
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
Switched Reluctance Generator Integrated Controls
- Publication number 20150127207
- Publication date May 7, 2015
- Caterpillar Inc.
- Jackson Wai
- B60 - VEHICLES IN GENERAL
Information Patent Application
Enforced Zero Voltage Loop
- Publication number 20150028788
- Publication date Jan 29, 2015
- Caterpillar, Inc.
- Jackson Wai
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
Dual Generator Single DC Link Configuration for Electric Drive Prop...
- Publication number 20140210208
- Publication date Jul 31, 2014
- Caterpillar Inc.
- Jackson Wai
- B60 - VEHICLES IN GENERAL
Information Patent Application
TURBINE ENGINE HYBRID POWER SUPPLY
- Publication number 20140203760
- Publication date Jul 24, 2014
- Caterpillar Inc.
- Bryan Gerard LAMMERS
- B60 - VEHICLES IN GENERAL
Information Patent Application
Switched Reluctance Initial Rotor Position Estimation
- Publication number 20140117901
- Publication date May 1, 2014
- Caterpillar Inc.
- Jesse Gerdes
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
Hybrid Closed Loop Speed Control using Open Look Position for Elect...
- Publication number 20140035505
- Publication date Feb 6, 2014
- Caterpillar, Inc.
- Jackson Wai
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
Compensating Hysteresis Bands to Hold Specified Switching Frequency
- Publication number 20140021889
- Publication date Jan 23, 2014
- Caterpillar, Inc.
- Jesse Gerdes
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
FPDA Closed Loop Electric Drives Controls
- Publication number 20130328517
- Publication date Dec 12, 2013
- Caterpillar, Inc.
- Jesse Gerdes
- B60 - VEHICLES IN GENERAL
Information Patent Application
Lockout switching strategy for preventing high voltage transition
- Publication number 20130154535
- Publication date Jun 20, 2013
- Caterpillar Inc.
- Jackson Wai
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
Switching Strategy for Switched Reluctance Machine
- Publication number 20130147416
- Publication date Jun 13, 2013
- Caterpillar, Inc.
- Ahmed Khalil
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
Switched Reluctance Machine Natural Transition between Current Regu...
- Publication number 20130134912
- Publication date May 30, 2013
- Caterpillar, Inc.
- Ahmed Khalil
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER

Jackson Wai

Person

Patents Grantslast 30 patents

Techniques for limiting power using an active front end

Current protection to prevent overcurrent in electrical grids and m...

System and method of overcoming a dead-band in a switched reluctanc...

Power based pulse injection control for SR self sensing

Switched reluctance self sensing active pulse torque compensation

Modified flux observer for switched reluctance machines

Switched reluctance motor control system

Inverter topology

System to control a rotary electric machine

Optimized switched reluctance phase current control in a continuous...

Sensorless control of switched reluctance machines for low speeds a...

Adjustable pulse injection in electric machine control

Pulse injection current pattern for rotor position estimation

Switched reluctance motor power estimation compensation for variabl...

Sensorless control of switched reluctance machines

Flux estimator for switched reluctance machines

Electric drive having an actively controlled DC bus

Method and apparatus for detecting phase imbalance of an electrical...

Current profile strategy for minimizing torque ripple and current

System and method to control a switched reluctance machine in conti...

Switched reluctance generator integrated controls

Enforced zero voltage loop

Turbine engine hybrid power supply

Switched reluctance generator integrated controls

Compensating hysteresis bands to hold specified switching frequency

Method of debouncing a variable frequency step signal

Dual generator single DC link configuration for electric drive prop...

Hybrid closed loop speed control using open look position for elect...

Switched reluctance initial rotor position estimation

FPDA closed loop electric drives controls

Patents Applicationslast 30 patents

TECHNIQUES FOR LIMITING POWER USING AN ACTIVE FRONT END

TECHNIQUES FOR TRANSITIONING BETWEEN CONTROL MODES OF AN ACTIVE FR...

CURRENT PROTECTION TO PREVENT OVERCURRENT IN ELECTRICAL GRIDS AND M...

Power Based Pulse Injection Control for SR Self Sensing

Switched Reluctance Self Sensing Active Pulse Torque Compensation

SYSTEM AND METHOD OF OVERCOMING A DEAD-BAND IN A SWITCHED RELUCTANC...

SWITCHED RELUCTANCE MOTOR CONTROL SYSTEM

INVERTER TOPOLOGY

ADJUSTABLE PULSE INJECTION IN ELECTRIC MACHINE CONTROL

FLUX ESTIMATOR FOR SWITCHED RELUCTANCE MACHINES

Sensorless Control of Switched Reluctance Machines

Sensorless Control of Switched Reluctance Machines for Low Speeds a...

Hybrid Hard Chopping and Soft Chopping Current Regulation

Method and Apparatus for Detecting Phase Imbalance of an Electrical...

Hybrid Soft Switching for Current Regulation in Switched Reluctance...

ELECTRIC DRIVE HAVING AN ACTIVELY CONTROLLED DC BUS

System and Method to Control a Switched Reluctance Machine in Conti...

Sensorless Control of Switched Reluctance Machines for Low Speeds a...

Current Profile Strategy for Minimizing Torque Ripple and Current

Switched Reluctance Generator Integrated Controls

Enforced Zero Voltage Loop

Dual Generator Single DC Link Configuration for Electric Drive Prop...

TURBINE ENGINE HYBRID POWER SUPPLY

Switched Reluctance Initial Rotor Position Estimation

Hybrid Closed Loop Speed Control using Open Look Position for Elect...

Compensating Hysteresis Bands to Hold Specified Switching Frequency

FPDA Closed Loop Electric Drives Controls

Lockout switching strategy for preventing high voltage transition

Switching Strategy for Switched Reluctance Machine

Switched Reluctance Machine Natural Transition between Current Regu...