Abstract: Methods, systems, and apparatus of managing the lifespan of a battery are disclosed herein. A method comprises interpreting age data indicative of a current age of a battery, interpreting usage data indicative of a current usage of the battery, comparing the age data to the usage data, and allocating a propelling power from the battery in a hybrid electric vehicle (HEV) responsive to the comparison.

Abstract: A system and method for controlling automatic start/stop operations for an engine. While the engine is shutdown, operation of the engine may be automatically started upon expiration of a threshold time limit or in response to one or more adverse or deteriorated conditions of a power storage device, such as, for example, a state of health, state of function, or state of charge of the power storage device. After the engine has been automatically started, the ability of the controller to subsequently automatically stop the operation of the engine may be disabled until at least one secondary condition is satisfied. Upon satisfaction of the at least one secondary condition, the controller may again be enabled to at least automatically stop the operation of the engine.

Abstract: A device includes at least one of a brake position sensor operationally coupled to a brake and providing a brake position signal, or a clutch position sensor operationally coupled to a clutch and providing a clutch position signal. The device further includes a controller having a communication module structured to interpret the at least one of the brake position signal or the clutch position signal, and a collection module structured to collect vehicle dynamics information. The controller further includes a vehicle dynamics module structured to interpret the vehicle dynamics information, and a sensor diagnostics module structured to determine a failure of at least one of the clutch position sensor or the brake position sensor in response to the vehicle dynamics information and at least one of the clutch signal or the brake signal.

Abstract: Some exemplary embodiments include an electrically driven cooling system for cooling non-engine components of a vehicle. The electrically driven cooling system includes a closed loop coolant flowpath including an electrically driven coolant pump and a radiator connected to the closed loop coolant flowpath, and one or more components connected in parallel and/or in series in the closed loop coolant flow path that receives the coolant. An electrically driven radiator fan is also operable to cool the coolant in the radiator. The electrically driven cooling system is flow isolated from any mechanically driven cooling system that provides coolant to the engine for vehicles that include an engine.

Abstract: The present disclosure provides an engine stop/start control system for a vehicle comprising a first engine restart module configured to set a restart frequency and duration of an engine in response to a sensed ambient temperature, a second engine restart module configured to control the engine in response to a sensed characteristic temperature associated with the engine, a third engine restart module configured to control the engine in response to occurrence or non-occurrence of at least one expected charging event along a predefined route, a fourth engine restart module configured to control the engine in response to a state-of-charge of an energy storage device, and a route optimization module configured to set and adjust a proposed route to a destination that results in reduced engine usage.

Abstract: Controls for improved drivability of a vehicle equipped with start/stop logic are disclosed. A nominal control stop for the internal combustion engine of the vehicle is disabled or prevented from occurring in response to a vehicle mass and route grade indicating a roll back condition for the vehicle exists if the nominal control stop for the engine were to take place.

Abstract: A method of controlling operation of a powered device is provided, comprising determining whether the device is experiencing a cyclical load profile including high load conditions and low load conditions, applying a first power component to the device using an engine, the first power component corresponding to an average power required by the cyclical load profile, and applying a second power component to the device using a motor/generator, a sum of the first power component and the second power component corresponding to a power required by the powered device during the high load conditions.

Abstract: A hybrid controller unit includes a detection module, a gear-hold module, a gear-skip module, and an optimizing module. The detection module is structured to detect a deceleration event. The gear-hold module is structured to determine whether a certain gear of a transmission should be maintained for a certain period of time in order to optimize power regeneration during the deceleration event. The gear-hold module is also structured to generate a gear-hold request. The gear-skip module is structured to determine whether the transmission should skip a gear in order to optimize power regeneration during the deceleration event. The gear-skip module is also structured to generate a gear-skip request. The optimizing module is structured to receive the gear-hold request and the gear-skip request and generate a transmission command to be sent to a transmission control unit for actuation.

Abstract: A system and method are disclosed for controlling a power split in a hybrid powertrain having an engine and a motor. According to at least one aspect of the present disclosure, the method includes selecting a displaced fuel consumption value for the engine based on a quantity of available reclaimed energy in a battery, where the displaced fuel consumption value favors using the quantity of available reclaimed energy at relatively high load conditions, operating the engine at a condition based on the displaced fuel consumption value to generate engine power to meet at least a portion of a power demand, and operating the motor to generate motor power sufficient to supply a remaining power demand not met by the engine power. The system includes a controller configured to perform the operations of the method.

Abstract: Diagnosis system, method, and apparatus for a starting system are discloses herein. The method comprises receiving a run condition parameter for a vehicle, receiving a fueling system engagement parameter and an associated time threshold for the fueling system engagement parameter, and receiving an ignition command for turning an engine of the vehicle from an off state to an on state. If the run condition parameter is met, the method receives time data indicative of a time duration from reception of the ignition command to reach or substantially reach the fueling system engagement parameter, compare the time duration to the associated time threshold, and diagnose a starting system of the vehicle based on the comparison.

Abstract: A system and method are provided for controlling an air handling system for an internal combustion engine including a turbocharger having a variable geometry turbine fluidly coupled to an exhaust manifold of the engine and a compressor fluidly coupled to an intake manifold of the engine, and an electric motor coupled to a rotatable shaft connected between the compressor and the variable geometry turbine. A target torque required to drive the compressor to achieve target compressor operating parameters is determined, a maximum available torque that can be supplied by the variable geometry turbine in response to a target exhaust gas flow through the variable geometry turbine is determined, and the electric motor is enabled to supply supplemental torque to the rotatable shaft if the target torque is greater than the maximum available torque.

Abstract: An alternator voltage may be controlled based on a proportional gain scheduling in response to an engine load of an internal combustion engine and/or a state of charge (SOC) deviation for a battery based on a target SOC of the battery and an actual SOC of the battery. The alternator voltage may be a voltage less than a current battery voltage under high engine loads to enable the battery to power an accessory system and the alternator voltage may be a voltage greater than a voltage of the battery under low engine loads or engine loads less than high engine loads to enable the alternator to charge the battery.

Abstract: Systems, apparatus, and methods are disclosed for providing an electrical torque command to an electric motor and/or a combustion torque command to an internal combustion engine in response to a torque output value determined in response to an oxygen limited torque response of a conventional baseline engine and a torque curve of the internal combustion engine of a hybrid or start-stop vehicle.

Abstract: A system and method are disclosed for controlling a power split in a hybrid powertrain having an engine and a motor. According to at least one aspect of the present disclosure, the method includes selecting a displaced fuel consumption value for the engine based on a quantity of available reclaimed energy in a battery, where the displaced fuel consumption value favors using the quantity of available reclaimed energy at relatively high load conditions, operating the engine at a condition based on the displaced fuel consumption value to generate engine power to meet at least a portion of a power demand, and operating the motor to generate motor power sufficient to supply a remaining power demand not met by the engine power. The system includes a controller configured to perform the operations of the method.

Abstract: Various systems, methods, and apparatuses disclosed herein provide for receiving pressure data for an accumulator system, the pressure data providing an indication of a pressure in an accumulator tank of the accumulator system; receiving energy data, the energy data indicating an availability of free energy for use to charge the accumulator tank; and activating a charging source of the accumulator tank to charge the accumulator tank based on at least one of the pressure data and the energy data.

Abstract: A method for controlling aftertreatment regeneration for a system having a hybrid powertrain is described. The method includes determining that an engine aftertreatment regeneration is indicated when a regeneration request index exceeds a first threshold. The method includes determining an acceptable battery usage amount based on a current battery state of charge (SOC) and a minimum battery SOC. The method further includes determining a battery usage amount for an engine aftertreatment regeneration operation. The method includes initiating an engine aftertreatment regeneration when the battery usage amount is less than or equal to the acceptable battery usage amount.

Abstract: A system includes a hybrid power train having an internal combustion engine and an electrical torque provider that combine to provide a total machine torque. The system includes a controller that functionally executes operations to control the hybrid power train. The controller interprets a total machine torque target value and determines a torque contribution for each of the internal combustion engine and the electrical torque provider in response. The controller interprets a supplemental torque contribution value, and controls the internal combustion engine and the electrical torque provider in response to the torque contributions and the supplemental torque contribution value. The supplemental torque contribution value is applied as a limiting value, a target value, or a prescribed ratio for one or both of the torque contributions.

Abstract: A system controlling an air handling system for an internal combustion engine. An EGR valve in-line with an EGR passageway fluidly coupled between exhaust and intake manifolds of the engine is controllable between fully closed open positions to control a flow rate of exhaust gas through the EGR passageway. A control circuit determines a pump enable value as a function of at least one of a target engine speed and a total fueling target, determines a maximum achievable flow rate of recirculated exhaust gas through the EGR passageway with the EGR valve in the fully open position, and activates an electric gas pump to increase the flow rate of exhaust gas through the EGR passageway if the pump enable value exceeds a threshold pump enable value and a target flow rate of recirculated exhaust gas through the EGR passageway is less than the maximum achievable flow rate.

Abstract: A system includes a hybrid power train comprising an internal combustion engine and electrical system, which includes a first and second electrical torque provider, and an electrical energy storage device electrically coupled to first and second electrical torque provider. The system further includes a controller structured to perform operations including determining a power surplus value of the electrical system; determining a machine power demand change value; in response to the power surplus value of the electrical system being greater than or equal to the machine power demand change value, operating an optimum cost controller to determine a power division for the engine, first electrical torque provider, and second electrical torque provider; and in response to the power surplus value of the electrical system being less than the machine power demand change value, operating a rule-based controller to determine the power division for the engine, first, and second electrical torque provider.

Abstract: A method includes interpreting a powertrain load variation amplitude and an internal combustion engine output profile. The method further includes determining an engine output differential in response to the powertrain load variation amplitude and the internal combustion engine output profile. The method further includes providing an energy accumulator sizing parameter and/or an alternate motive power provider sizing parameter in response to the engine output differential.