Adaptive torque mitigation by micro-hybrid system
M Nagashima, MR Pirjaberi, LJ Serrano… - US Patent …, 2019 - Google Patents
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 …
in a skip fire engine control system are described. In one aspect, a firing sequence is used to …
Engine torque smoothing
MR Pirjaberi, K Eisazadeh-far, SE Carlson… - US Patent …, 2018 - Google Patents
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 …
torque profile of an engine and/or for controlling torque applied to a powertrain by one or …
Valve fault detection
MA Younkins, SK Chen, L Chien, M Nagashima… - US Patent …, 2017 - Google Patents
Provisional application No. 62/002.762, filed on May 23, 2014, provisional application No.
61/879,481, filed on Sep. 18, 2013, provisional application No. 61/890,671, filed on Oct. 14 …
61/879,481, filed on Sep. 18, 2013, provisional application No. 61/890,671, filed on Oct. 14 …
Engine torque smoothing
MR Pirjaberi, K Eisazadeh-far, SE Carlson… - US Patent …, 2019 - Google Patents
Primary Examiner-Thomas Moulis (74) Attorney, Agent, or Firm—Beyer Law Group LLP (57)
ABSTRACT Methods, devices, estimators, controllers and algorithms are described for …
ABSTRACT Methods, devices, estimators, controllers and algorithms are described for …
Valve fault detection
MA Younkins, SK Chen - US Patent 9,890,732, 2018 - Google Patents
Methods and systems are described for detecting valve actuation faults in internal
combustion engines operating in a skip fire operational mode. In one aspect, for each skip …
combustion engines operating in a skip fire operational mode. In one aspect, for each skip …
Engine error detection system
SK Chen, M Nagashima, L Chien - US Patent 9,784,644, 2017 - Google Patents
(57) ABSTRACT 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 …
engine-related errors are described. In one aspect, a window is assigned to a target firing …
Adaptive torque mitigation by micro-hybrid system
M Nagashima, MR Pirjaberi, LJ Serrano… - US Patent …, 2020 - Google Patents
(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 …
harshness (NVH) in a skip fire engine control system are described. In one aspect, a firing …
Induction diagnostics for skip fire engine
SK Chen, AJ Kotwicki, RS Bailey… - US Patent …, 2017 - Google Patents
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 an internal combustion engine are described. In some embodiments, the intake manifold …
Engine torque smoothing
MR Pirjaberi, K Eisazadeh-far, SE Carlson… - US Patent …, 2019 - Google Patents
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 …
torque profile of an engine and/or for controlling torque applied to a powertrain by one or …
Machine learning for misfire detection in a dynamic firing level modulation controlled engine of a vehicle
SK Chen, A Mandal, L Chien, E Ortiz-Soto - US Patent 10,816,438, 2020 - Google Patents
Using machine learning for misfire detection in a Dynamic firing level modulation controlled
internal combustion engine is described. A neural network is used to calculate expected …
internal combustion engine is described. A neural network is used to calculate expected …