A variety of methods and arrangements for reducing noise, vibration and harshness (NVH)
in a skip fire engine control system are described. In one aspect, a firing sequence is used to …

Abstract Systems and methods for operating an engine with deactivating and non-
deactivating valves are presented. In one example, valves of a cylinder are deactivated in a …

(57) ABSTRACT A variety of methods and arrangements for reducing noise, vibration and
harshness (NVH) in a skip fire engine control system are described. In one aspect, a firing …

Methods, devices, estimators, controllers and algorithms are described for estimating the
torque profile of an engine and/or for controlling torque applied to a powertrain by one or …

Various methods and arrangements for improving fuel economy and noise, vibration, and
harshness (NVH) in a skip fire controlled engine are described. An engine control ler …

A variety of methods and arrangements for detecting misfire and other engine-related errors
are described. In one aspect, a window is assigned to a target firing opportunity for a target …

A variety of methods and arrangements for detecting failure of the commanded air induction
in an internal combustion engine are described. In some embodiments, the intake manifold …

In one example embodiment, a gas turbine system includes a gas turbine, a compressor
bleed valve, various sensors, and a valve health assessment system. The compressor bleed …

A variety of methods, diagnostic modules and other arrangements for detecting air induction
faults during operation of an internal combustion engine are described. In some …

Methods, devices, estimators, controllers and algorithms are described for estimating the
torque profile of an engine and/or for controlling torque applied to a powertrain by one or …