公开(公告)号：US11873772B1

公开(公告)日：2024-01-16

申请号：US17944910

申请日：2022-09-14

Applicant: Cummins Power Generation Inc.

Inventor： Travis Alva Anderson ,  Axel O. zur Loye ,  Mark A. Rosswurm ,  Paul Daniel Borisuk ,  Shashank Bishnoi ,  Matthew W. Isaacs ,  Jason A. Gore ,  Atin Tandon ,  Jamie Robert John Sleigh

IPC: F02D41/00 ,  F02D41/24 ,  F02D41/14

CPC classification number: F02D41/0027 ,  F02D41/1401 ,  F02D41/1446 ,  F02D41/2422 ,  F02D2041/141 ,  F02D2041/1409 ,  F02D2200/0606 ,  F02D2200/0612 ,  F02D2200/10

Abstract: A method for controlling a dual fuel engine system includes determining a gas flow target for an internal combustion engine of the dual fuel engine system, where the gas flow target is based on a gas power target of the internal combustion engine, a thermal efficiency estimate of the internal combustion engine, and a lower heating value (LHV) within the internal combustion engine. The method also includes adjusting the gas flow target based on at least one of a measured gas temperature or a measured gas injector pressure and determining at least one base gas injector command based on the adjusted gas flow target, a gas substitution rate estimate, and a gas substitution rate target. The method further includes determining, based on the at least one base gas injector command, a gas injector command for at least one engine bank.