Abstract: A method of controlling power in a hybrid power system comprising a plurality of power sources is also disclosed. The state of charge of each power source may be determined where the power source stores and provides power. A current power score for each power source may be determined where the power score is a function of the current state of charge and state of efficiency. If there is power demand, power may be provided from the power source with the highest current power score.

Abstract: A power platform for a motorized work device that includes hybrid power sources is disclosed. The hybrid power system may include a hydraulic power source that provides power and stores power, an electric power source that provides power and stores power and a kinetic power source that provides power and stores power.

Abstract: A method utilizing an integrated starter generator as a hybrid power source to an engine in a movable device is also disclosed. The impeller clutch activation decision may be based on load demand, more specifically, whether load demand for the engine is greater than the power from the engine at the current speed of the engine.

Abstract: A method of controlling torque load of multiple engines according to a torque distribution algorithm includes determining a combined torque output value responsive to actual torque outputs of first and second engines. A desired torque output for the first engine is determined responsive to a first desired contribution portion of the combined torque output value, and a desired torque output for the second engine is determined responsive to a second desired contribution portion of the combined torque output value. A torque error for each of the first and second engines is determined responsive to a difference between the desired torque output for a respective one of the first and second engines and the actual torque output from the respective engine. Operation of each of the first and second engines is controlled responsive to the respective torque error.

Abstract: A flywheel assembly may include first and second flywheels having respective first and second flywheel parasitic load profiles. Operating speeds of the first and second flywheels may be selected based at least in part on the first and second flywheel parasitic loads. The operating speeds may be determined such that an aggregate of the first and second flywheel parasitic loads is minimized, thereby increasing the efficiency of the flywheel assembly.

Abstract: A machine includes at least one torque consuming device drivingly coupled with an internal combustion engine. An electronic controller is in communication with the engine and the torque consuming device, and is configured to receive a load request and determine a current operating state of the engine. The electronic controller simulates transition of the engine from the current operating state to a requested operating state according to a plurality of different load application pathways. An engine response characteristic for each of the different load application pathways is determined, and the electronic controller selects one of the different load application pathways based on the engine response characteristic. The engine is then transitioned from the current operating state to the requested operating state according to the selected load application pathway.

Abstract: A machine includes a power source, a transmission, and a drive system configured to transmit torque from the power source to the transmission. The drive system includes a planetary gear set, a variator coupled to the planetary gear set, and a storage device operably connected to the variator. The storage device is configured to receive energy from and provide energy to the variator.

Abstract: A method of controlling a drive system includes receiving a machine travel speed request, and determining an output speed of a variator, associated with the drive system, required to satisfy the travel speed request at a current power source speed. The method also includes determining that a storage device operably connected to the variator has an amount of stored energy sufficient to operate the variator at the variator output speed, and providing torque to a machine transmission with a machine power source and the variator. The variator is operated at the variator output speed using stored energy from the storage device to provide torque to the transmission. The torque provided to the transmission with the power source and the variator is sufficient to satisfy the travel speed request at the current power source speed.

Abstract: A method, system and machine-readable storage medium for monitoring an engine using a cascaded neural network that includes a plurality of neural networks is disclosed. In operation, the method, system and machine-readable storage medium store data corresponding to the cascaded neural network. Signals generated by a plurality of engine sensors are then inputted into the cascaded neural network. Next, a second neural network is updated at a first rate, with an output of a first neural network, wherein the output is based on the inputted signals. In response, the second neural network outputs at a second rate, at least one engine control signal, wherein the second rate is faster than the first rate.

Abstract: A method, system, and machine-readable storage medium for determining a predetermined operating condition of an internal combustion engine are disclosed. In operation, the method, system and machine-readable storage medium measure a cylinder pressure in at least one combustion chamber at a predetermined point in a combustion cycle. Next, the method, system, and machine-readable storage medium determine at least a first value for an operating parameter of the engine using the measured cylinder pressure, determine a second value for the operating parameter of the engine using data received from at least one engine sensor, and then generate a predetermined signal if a difference between the first value and the second value has a predetermined relationship.

Abstract: A method, system and machine-readable storage medium for monitoring an engine using a cascaded neural network that includes a plurality of neural networks is disclosed. In operation, the method, system and machine-readable storage medium store data corresponding to the cascaded neural network. Signals generated by a plurality of engine sensors are then inputted into the cascaded neural network. Next, a second neural network is updated at a first rate, with an output of a first neural network, wherein the output is based on the inputted signals. In response, the second neural network outputs at a second rate, at least one engine control signal, wherein the second rate is faster than the first rate.

Abstract: A method, system, and machine-readable storage medium for determining a predetermined operating condition of an internal combustion engine are disclosed. In operation, the method, system and machine-readable storage medium measure a cylinder pressure in at least one combustion chamber at a predetermined point in a combustion cycle. Next, the method, system, and machine-readable storage medium determine at least a first value for an operating parameter of the engine using the measured cylinder pressure, determine a second value for the operating parameter of the engine using data received from at least one engine sensor, and then generate a predetermined signal if a difference between the first value and the second value has a predetermined relationship.

Abstract: A method, system, and machine-readable storage medium for diagnosing operation in a turbocharged engine having an engine control module (ECM) operable to control engine operation in response to data received from a plurality of sensors is disclosed. In operation, the method, system, and machine-readable storage medium store data corresponding to a compressor map defining a region of compressor efficiency and compressor speeds during operation, and a turbine map defining a region of turbine efficiency and turbine speeds during operation. Next, the method, system and apparatus determine a predicted value for an operating parameter using data received from selected ones of the plurality of sensors and the data stored in memory, determine an actual value for the operating parameter using data received from selected ones of the plurality of sensors, and generate an abnormal operation signal if a difference between actual and predicted values is greater than a predetermined amount.

Abstract: A method, system, and machine-readable storage medium for determining a predetermined operating condition of an internal combustion engine are disclosed. In operation, the method, system and machine-readable storage medium measure a cylinder pressure in at least one combustion chamber at a predetermined point in a combustion cycle. Next, the method, system, and machine-readable storage medium determine at least a first value for an operating parameter of the engine using the measured cylinder pressure, determine a second value for the operating parameter of the engine using data received from at least one engine sensor, and then generate a predetermined signal if a difference between the first value and the second value has a predetermined relationship.

Abstract: A method, system and machine-readable storage medium for monitoring an engine using a cascaded neural network that includes a plurality of neural networks is disclosed. In operation, the method, system and machine-readable storage medium store data corresponding to the cascaded neural network. Signals generated by a plurality of engine sensors are then inputted into the cascaded neural network. Next, a second neural network is updated at a first rate, with an output of a first neural network, wherein the output is based on the inputted signals. In response, the second neural network outputs at a second rate, at least one engine control signal, wherein the second rate is faster than the first rate.

Abstract: A method, system, and machine-readable storage medium for diagnosing operation in a turbocharged engine having an engine control module (ECM) operable to control engine operation in response to data received from a plurality of sensors is disclosed.