Abstract: The method includes reducing output of one or more cylinders of an engine system without reducing output of the remaining cylinders of the engine system. The method also includes reducing imbalance of the engine system by supplementing the engine system with power in response to the output reduction of the one or more cylinders.

Abstract: A method of operating a power system of a machine is provided. The method may include selectively supplying power from an engine to one or more other components of the machine., including, during at least some load increases on the power system, supplementing power from the engine with power from an additional power source. The method may also include, during at least some load increases on the power system, supplementing power from the engine with power from an additional power source while recirculating exhaust gas through the engine.

Abstract: A method and apparatus for controlling a temperature in a combustion cylinder in an internal combustion engine. The cylinder is fluidly connected to an intake manifold and an exhaust manifold. The method and apparatus includes increasing a back pressure associated with the exhaust manifold to a level sufficient to maintain a desired quantity of residual exhaust gas in the cylinder, and varying operation of an intake valve located between the intake manifold and the cylinder to an open duration sufficient to maintain a desired quantity of fresh air from the intake manifold to the cylinder, wherein controlling the quantities of residual exhaust gas and fresh air are performed to maintain the temperature in the cylinder at a desired level.