System and method for controlling a firing sequence of an engine to reduce vibration when cylinders of the engine are deactivated

DR Verner - US Patent 9,249,748, 2016 - Google Patents
(57) ABSTRACT A system according to the present disclosure includes a spec tral density
module and a firing sequence module. The spec tral density module determines a spectral …

Cylinder activation and deactivation control systems and methods

AB Rayl, RS Beikmann, SM Naik - US Patent 9,458,778, 2016 - Google Patents
A ranking module determines N ranking values for N predetermined cylinder
activation/deactivation sequences of an engine, respectively. N is an integer greater than or …

Cylinder activation/deactivation sequence control systems and methods

RS Beikmann - US Patent 9,416,743, 2016 - Google Patents
A target cylinder count module determines a target number of cylinders of an engine to be
activated during a future period. The future period includes N sub-periods, and N is an …

Cylinder deactivation pattern matching

AB Rayl - US Patent 10,227,939, 2019 - Google Patents
(57) ABSTRACT A cylinder control module: selects one of N predetermined cylinder
activation/deactivation patterns as a desired cylin der activation/deactivation pattern for …

System and method for controlling spark timing when cylinders of an engine are deactivated to reduce noise and vibration

DG Brennan, SM Naik - US Patent 9,719,439, 2017 - Google Patents
A system according to the principles of the present disclosure includes a cylinder activation
module and a spark timing module. The cylinder activation module selectively deactivates …

System and method for controlling a firing sequence of an engine to reduce vibration when cylinders of the engine are deactivated

RS Beikmann - US Patent 9,726,139, 2017 - Google Patents
A system according to the principles of the present disclosure includes a vibration prediction
module and a firing sequence module. The vibration prediction module predicts a modal …

System and method for controlling a firing pattern of an engine to reduce vibration when cylinders of the engine are deactivated

DG Brennan - US Patent 9,249,749, 2016 - Google Patents
A system according to the principles of the present disclosure includes a vibration
characteristics module and a firing pattern module. The vibration characteristics module, for …

System and method for deactivating a cylinder of an engine and reactivating the cylinder based on an estimated trapped air mass

AB Rayl - US Patent 9,638,121, 2017 - Google Patents
A system according to the principles of the present disclosure includes a cylinder activation
module and a spark control module. The cylinder activation module selectively deactivates …

Volumetric efficiency determination systems and methods

DG Brennan, GP Matthews, LK Wiggins - US Patent 9,376,973, 2016 - Google Patents
A cylinder control system of a vehicle, includes a cylinder control module and a volumetric
efficiency (VE) module. The cylinder control module determines a desired cylinder …

Fuel consumption based cylinder activation and deactivation control systems and methods

AW Hayman, RS McAlpine - US Patent 9,341,128, 2016 - Google Patents
(57) ABSTRACT A cylinder control method includes: generating a torque request for an
engine based on at least one driver input, based on the torque request, determining a target …