G
Gopichandra Surnilla
Researcher at Ford Motor Company
Publications - 601
Citations - 6882
Gopichandra Surnilla is an academic researcher from Ford Motor Company. The author has contributed to research in topics: Internal combustion engine & Fuel injection. The author has an hindex of 40, co-authored 599 publications receiving 6866 citations.
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Patent
Methods and systems for assisted direct start control
Ross Dykstra Pursifull,Gopichandra Surnilla,Donald J. Lewis,Joseph Norman Ulrey,John David Russell +4 more
TL;DR: In this paper, a method and systems for controlling a vehicle system including an engine that is selectively deactivated during engine idle-stop conditions are presented, including adjusting a brake torque applied to a deactivated rotating engine after an engine restart request, and engaging a starter to still rotating engine to increase the engine speed and restart the engine.
Patent
Method and apparatus for improving engine fuel economy
TL;DR: In this article, a managed fuel air mode control system is provided which operates in an open loop lean mode of operation whenever open loop enable criteria is met, and a rich A/F purge mode is determined when a NO x trap is determined to be full.
Patent
Methods and Systems for Emission System Control
Jeffrey Scott Hepburn,William Charles Ruona,Brien Lloyd Fulton,Gopichandra Surnilla,Eric Kurtz +4 more
TL;DR: In this article, the EGR passage coupled between an engine exhaust and engine intake is used to adjust an amount of diverted exhaust gas based on filter operating conditions, such as filter conditions.
Patent
Differential Torque Operation for Internal Combustion Engine
TL;DR: In this paper, a method of operating an internal combustion engine having a plurality of cylinders including at least a first cylinder and a second cylinder, the method comprising firing the first and the second cylinder in an alternating sequence is described.
Patent
Method and system for controlling fuel usage
TL;DR: In this article, the use of spark retard and direct injection of a knock control fluid based on engine operating conditions and the composition of the injected fluid is discussed. And the authors provide methods and systems for improving fuel usage while addressing knock.