Inventor · disambiguated record
Chen-Fang Chang
Also filed as: CHANG CHEN-FANG
89 granted patents·25 pending applications·666 citations·filing 1999–2023
99Inventor score
Files withGM GLOBAL TECH OPERATIONS LLC64GM GLOBAL TECH OPERATIONS INC26KANG JUN-MO13CHEN JYH-SHIN3YUN HANHO3
Top patents by PatentIndex Score
114 records- 0198US9938908B2System and method for predicting a pedal position based on driver behavior and controlling one or more engine actuators based on the predicted pedal positionGM GLOBAL TECH OPERATIONS LLC·Filed 2016·Granted Apr 10, 2018·15 cites·20 claims
- 0297US7370616B2Method for transition between controlled auto-ignition and spark ignition modes in direct fuel injection enginesGM GLOBAL TECH OPERATIONS INC·Filed 2006·Granted May 13, 2008·53 cites·13 claims
- 0396US12370921B2Early detection of battery cell performance degradationGM GLOBAL TECH OPERATIONS LLC·Filed 2023·Granted Jul 29, 2025·1 cites·20 claims
- 0496US7228839B2NOx emission control for a controlled auto-ignition four-stroke internal combustion engineGM GLOBAL TECH OPERATIONS INC·Filed 2005·Granted Jun 12, 2007·27 cites·36 claims
- 0595US9771883B1Supervisory model predictive control in an engine assemblyGM GLOBAL TECH OPERATIONS LLC·Filed 2016·Granted Sep 26, 2017·8 cites·17 claims
- 0695US8312860B2Extension of the application of multiple injection HCCI combustion strategy from idle to medium loadYUN HANHO·Filed 2009·Granted Nov 20, 2012·29 cites·16 claims
- 0794US9689339B2Engine torque control with fuel massGM GLOBAL TECH OPERATIONS LLC·Filed 2015·Granted Jun 27, 2017·8 cites·13 claims
- 0894US7275514B2Method of HCCI and SI combustion control for a direct injection internal combustion engineGM GLOBAL TECH OPERATIONS INC·Filed 2006·Granted Oct 2, 2007·32 cites·21 claims
- 0993US7783409B2Airflow estimation method and apparatus for internal combustion engineGM GLOBAL TECH OPERATIONS INC·Filed 2007·Granted Aug 24, 2010·24 cites·21 claims
- 1092US9689321B2Engine torque control with combustion phasingGM GLOBAL TECH OPERATIONS LLC·Filed 2015·Granted Jun 27, 2017·6 cites·16 claims
- 1192US7739999B2Method and apparatus to control combustion in a multi-cylinder homogeneous charge compression-ignition engineGM GLOBAL TECH OPERATIONS INC·Filed 2006·Granted Jun 22, 2010·28 cites·20 claims
- 1292US7370633B2Load transient control methods for direct-injection engines with controlled auto-ignition combustionGM GLOBAL TECH OPERATIONS INC·Filed 2006·Granted May 13, 2008·29 cites·20 claims
- 1392US7367313B2Speed transient control methods for direct-injection engines with controlled auto-ignition combustionGM GLOBAL TECH OPERATIONS INC·Filed 2006·Granted May 6, 2008·22 cites·7 claims
- 1491US10081360B2Vehicle propulsion systems and methodsGM GLOBAL TECH OPERATIONS LLC·Filed 2016·Granted Sep 25, 2018·11 cites·14 claims
- 1590US8091527B1Method and apparatus for managing combustion mode transitions in an internal combustion engineBROWN ALAN W·Filed 2010·Granted Jan 10, 2012·9 cites·20 claims
- 1690US7742868B2Method and apparatus for controlling fuel reforming under low-load operating conditions using exhaust recompression in a homogeneous charge compression ignition engineGM GLOBAL TECH OPERATIONS INC·Filed 2008·Granted Jun 22, 2010·16 cites·20 claims
- 1789US12152893B2Traffic-info-incorporated NNT driver model for EV trip energy predictionGM GLOBAL TECH OPERATIONS LLC·Filed 2022·Granted Nov 26, 2024·2 cites·16 claims
- 1889US9068907B1Powertrain and method of determining residual gas volumeGM GLOBAL TECH OPERATIONS INC·Filed 2014·Granted Jun 30, 2015·7 cites·16 claims
- 1989US7540270B2Method and apparatus for controlling combustion mode transitions in an internal combustion engineGM GLOBAL TECH OPERATIONS INC·Filed 2007·Granted Jun 2, 2009·24 cites·19 claims
- 2088US11370435B2Connected and automated vehicles, driving systems, and control logic for info-rich eco-autonomous drivingGM GLOBAL TECH OPERATIONS LLC·Filed 2019·Granted Jun 28, 2022·7 cites·23 claims
- 2188US10550786B1Predictive torque management for powertrain having continuous actuators and multiple discrete modesGM GLOBAL TECH OPERATIONS LLC·Filed 2018·Granted Feb 4, 2020·3 cites·20 claims
- 2288US8887691B2Method and apparatus for selecting a combustion mode for an internal combustion engineCHEN JYH-SHIN·Filed 2007·Granted Nov 18, 2014·18 cites·17 claims
- 2387US8826884B2Combustion balancing control strategy using normalized instantaneous heat release in HCCI enginesKANG JUN-MO·Filed 2010·Granted Sep 9, 2014·11 cites·17 claims
- 2486US8463531B2System and method for controlling exhaust gas recirculation systemsRAMAPPAN VIJAY·Filed 2010·Granted Jun 11, 2013·10 cites·20 claims
- 2586US7367308B2Method for load transient control between lean and stoichiometric combustion modes of direct-injection engines with controlled auto-ignition combustionGM GLOBAL TECH OPERATIONS INC·Filed 2006·Granted May 6, 2008·19 cites·6 claims
- 2685US10215576B2Energy-optimized vehicle route selectionGM GLOBAL TECH OPERATIONS LLC·Filed 2016·Granted Feb 26, 2019·5 cites·17 claims
- 2785US7689344B2Method and apparatus for controlling transitions in an engine having multi-step valve liftGM GLOBAL TECH OPERATIONS INC·Filed 2007·Granted Mar 30, 2010·17 cites·23 claims
- 2884US8630760B2Method for managing transitions in internal combustion engines with a hybrid drive powertrainKANG JUN-MO·Filed 2010·Granted Jan 14, 2014·6 cites·14 claims
- 2984US8335634B2Transient combustion noise control in a hybrid powertrain including an HCCI engineKANG JUN-MO·Filed 2010·Granted Dec 18, 2012·9 cites·12 claims
- 3083US11760155B2Energy management system for an electric vehicleGM GLOBAL TECH OPERATIONS LLC·Filed 2021·Granted Sep 19, 2023·1 cites·20 claims
- 3183US9803580B2Method and apparatus for controlling operation of an internal combustion engineGM GLOBAL TECH OPERATIONS LLC·Filed 2014·Granted Oct 31, 2017·5 cites·15 claims
- 3283US9617930B2Method and system for controlling a powertrainGM GLOBAL TECH OPERATIONS LLC·Filed 2014·Granted Apr 11, 2017·5 cites·5 claims
- 3383US7739027B2Method and apparatus for monitoring an EGR valve in an internal combustion engineGM GLOBAL TECH OPERATIONS INC·Filed 2008·Granted Jun 15, 2010·12 cites·18 claims
- 3480US9482164B2Engine control using calculated cylinder air chargeGM GLOBAL TECH OPERATIONS LLC·Filed 2015·Granted Nov 1, 2016·2 cites·18 claims
- 3579US12243988B2Battery pressure active controlGM GLOBAL TECH OPERATIONS LLC·Filed 2023·Granted Mar 4, 2025·0 cites·20 claims
- 3679US8918265B2Method and apparatus for controlling operation of an internal combustion engine operating in HCCI combustion modeKANG JUN-MO·Filed 2012·Granted Dec 23, 2014·4 cites·15 claims
- 3779US8469002B2Combustion phasing control in spark-assisted HCCI combustion modeKANG JUN-MO·Filed 2010·Granted Jun 25, 2013·4 cites·15 claims
- 3878US12485792B2System and method for active energy management for an electric vehicleGM GLOBAL TECH OPERATIONS LLC·Filed 2023·Granted Dec 2, 2025·0 cites·20 claims
- 3978US7346446B2Fuel reforming estimation in HCCI enginesGM GLOBAL TECH OPERATIONS INC·Filed 2006·Granted Mar 18, 2008·9 cites·14 claims
- 4077US9284906B2Combustion phasing control methodology in HCCI combustionYUN HANHO·Filed 2011·Granted Mar 15, 2016·6 cites·12 claims
- 4176US8251049B2Adaptive intake oxygen estimation in a diesel engineKANG JUN-MO·Filed 2010·Granted Aug 28, 2012·5 cites·14 claims
- 4276US8224559B2Method and apparatus to monitor a mass airflow metering device in an internal combustion engineCHANG CHEN-FANG·Filed 2010·Granted Jul 17, 2012·7 cites·11 claims
- 4376US7975672B2Method for controlling engine intake airflowGM GLOBAL TECH OPERATIONS INC·Filed 2008·Granted Jul 12, 2011·8 cites·14 claims
- 4476US6176222B1Engine fuel injection control method with fuel puddle modelingGEN MOTORS CORP·Filed 1999·Granted Jan 23, 2001·32 cites·8 claims
- 4575US8627804B2Transient control strategy in spark-assisted HCCI combustion modeKANG JUN-MO·Filed 2010·Granted Jan 14, 2014·5 cites·16 claims
- 4675US7480558B2Method and apparatus for controlling a homogeneous charge compression ignition engineGM GLOBAL TECH OPERATIONS INC·Filed 2007·Granted Jan 20, 2009·8 cites·19 claims
- 4774US10207699B2Hybrid vehicle propulsion systems and methodsGM GLOBAL TECH OPERATIONS LLC·Filed 2017·Granted Feb 19, 2019·2 cites·20 claims
- 4874US9394838B2Method and apparatus for controlling operation of an internal combustion engine operating in HCCI combustion modeGM GLOBAL TECH OPERATIONS INC·Filed 2013·Granted Jul 19, 2016·3 cites·14 claims
- 4974US8191531B2Method for controlling an engine valve of an internal combustion engineKANG JUN-MO·Filed 2010·Granted Jun 5, 2012·2 cites·12 claims
- 5074US7178493B2Method and system to avoid piston-valve collisionGM GLOBAL TECH OPERATIONS INC·Filed 2005·Granted Feb 20, 2007·5 cites·23 claims
Showing the top 50 of 114 patent records by PatentIndex Score.
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