Abstract: A controller includes at least one processor coupled to a memory storing instructions that, when executed by the at least one processor, cause the at least one processor to: determine a target engine outlet coolant temperature for a coolant in an engine system; determine an adjustment to a temperature of the coolant based on a determined engine inlet coolant temperature and the target engine outlet coolant temperature; and, alter a flow of the coolant by controlling a coolant valve in response to the determination of the adjustment to the temperature of the coolant.

Abstract: Systems and methods for diagnosing an exhaust aftertreatment system are provided. A method includes: receiving, by a controller and for each sensor of a plurality of sensors, one or more respective degradation level indicators indicative of one or more failure levels of the sensor, each of the one or more degradation level indicators determined using a corresponding performance parameter; receiving, by the controller and for each sensor of the plurality of sensors, one or more diagnosis threshold values; determining, by the controller, a multipoint diagnosis threshold value using the one or more diagnosis threshold values associated with the plurality of sensors; detecting, by the controller, an operational state of the aftertreatment system by comparing a performance value of the aftertreatment system to the multipoint diagnosis threshold value; and causing, by the controller, an indication of the operational state of the aftertreatment system to be displayed on a display device.

Abstract: A method includes determining, by a controller, that a transient event for a hybrid vehicle is occurring; determining, by the controller, an increase of power demand for the hybrid vehicle based on the determined transient event; directing, by the controller, an amount of power from an electric motor of the hybrid vehicle to a powertrain of the hybrid vehicle based on the increase in power demand, the amount of power from the electric motor determined based on at least one of a state of charge of a battery of the hybrid vehicle; and increasing, by the controller, an amount of power from an engine of the hybrid vehicle as a power output from the electric motor decays to avoid an engine power output spike from the engine based on the determined increase in power demand.

Abstract: Systems, apparatuses, and methods disclosed provide for tailoring responses to fault data generated during a service event. A method includes determining that a service event for a vehicle has started based on an indication from an off-board diagnostic service tool, interrupting transmission of a fault message during a time period after the service event for the vehicle has started and before the service event for the vehicle has ended, and determining that the service event for the vehicle has ended.

Abstract: A method of controlling a fixed cylinder deactivation (CDA) system of an engine system is provided. The method includes: deactivating, by a controller, a cylinder of the engine system to operate the engine system in a fixed CDA mode; determining, by the controller, a temperature of an injector tip nozzle associated with the cylinder; comparing, by the controller, the temperature of the injector tip nozzle to a threshold temperature; and in response to determining that the temperature of the injector tip nozzle is greater than the threshold temperature, activating, by the controller, the cylinder.

Abstract: A system includes an exhaust aftertreatment system coupled to an engine, and a controller including at least one processor coupled to at least one memory device storing instructions that, when executed by the at least one processor, cause the controller to perform certain operations. The operations include estimating an aging of the exhaust aftertreatment system, and adjusting at least one of an entry temperature threshold or an exit temperature threshold for a thermal management mode for the exhaust aftertreatment system based on the aging of the exhaust aftertreatment system.

Abstract: A method is provided for scheduling regenerative braking torque, comprising: sensing a position of an accelerator pedal; generating a torque request value in response to the sensed accelerator pedal position; determining a speed of operation of a motor/generator; determining a torque limit in response to the torque request value and the determined speed of the motor/generator; generating a regenerative braking command in response to the torque limit; and outputting the regenerative braking command to the motor/generator.

Abstract: A method of managing second use batteries incudes communicating an external load demand to battery management modules (BMMs) of first use batteries and second use batteries; communicating, by each of the BMMs, the state of health (SoH) of the respective first or second use battery to the other BMMs; by the BMMs of the first use batteries with highest SoH, engaging the first use batteries to meet the external load demand, wherein the highest SoH is determined by the BMMs by ranking the SoH of each battery relative to the other batteries; and by the BMMs of the second use batteries, setting a discharge limit for each of the second use batteries based on the SoH of the respective second use battery, and controlling the second use batteries to supply currents not to exceed the discharge limits of the respective second use batteries to load-share with the first use batteries.

Abstract: A fuel system, comprising at least one fuel component formed of a steel alloy comprising 0.01-0.31 wt. % carbon, 0.0-0.20 wt. % silicon, 0.15-0.50 wt. % manganese, 0.0-0.015 wt. % phosphorous, 0.0-0.001 wt. % sulfur, 4.80-5.20 wt. % chromium, 4.80-6.20 wt. % nickel, 0.60-0.80 wt. % molybdenum, 0.0-0.550 wt. % vanadium, and 2.000-2.400 wt. % aluminum, wherein the at least one fuel component is configured to come in contact with fuel when fuel is ran through the fuel system.

Abstract: An electric vehicle includes an electric motor switchable between a first mode with a first number of poles and a second mode with a second number of poles less than the first number of poles, a plurality of inverters coupled to the motor, and a control module coupled to the plurality of inverters. The control module receives current vehicle information, determines that a mode switch is required between the first and second modes of the motor based on the current vehicle information, wherein the first mode achieves higher torque than the second mode, and performs the mode switch by controlling the plurality of inverters.

Abstract: The electric machine includes a rotor and an internal stator operatively coupled to the rotor. The internal stator further includes a back iron having a bearing and a plurality of teeth, a plurality of ring coils wound around the back iron, a central hub, and a plurality of connectors that connects the central hub to the back iron. The back iron is made of a first material and at least one connector is made of a second material that is different from the first material.

Abstract: A system is configured to store a relationship data set of a plurality of diagnostic estimators and a plurality of failure modes, each failure mode represents a type of failure that can occur with a sensor or a vehicle component of a vehicle system, each diagnostic estimator is associated with a respective subset of the failure modes, each subset defines a control space within the vehicle system that contains at least one of (i) one or more sensors or (ii) one or more vehicle components. The system is configured to store a healthy diagnostic vector regarding nominal operational parameters of the vehicle system; acquire diagnostic information regarding current operational parameters of the vehicle system to generate an error diagnostic vector; apply the error diagnostic vector to the healthy diagnostic vector to generate a ratio diagnostic vector; and apply the ratio diagnostic vector to generate a value for each failure mode.

Abstract: A controller for a vehicle includes at least one processor and at least one memory storing instructions that, when executed by the processor, cause the controller to perform various operations. The operations include determining that a power loss to the controller has occurred. In response to the determination that the power loss has occurred, the operations are structured to determine whether a key switch associated with an engine of the vehicle is on; and, when the key switch is on, save operating data to a ferroelectric random access memory (TRAM) coupled to the controller.

Abstract: In an electrified vehicle, such as a battery electric vehicle, those with a hybrid powertrain, range extended electric vehicles, or hydrogen powered vehicles, integration of the battery may mean that space is very constrained. Typically this means that there is no feasible method to lift the battery to disengage it from the vehicle or to operate any engagement catches or locks etc. The disclosure provides a roller arrangement which has no translation or actuator requirements in order to allow the battery to have reduced frictional engagement with the battery compartment during installation or removal, and also to be well engaged with the battery compartment once installed. Rollers are provided which drop into recesses in the battery compartment at which point they are removed from load bearing engagement and thus, the recesses serve to locate the battery into the installed state in the compartment.

Abstract: Systems and apparatuses include a vehicle controller and a mobile battery charging device. The vehicle controller is engaged with a vehicle that includes a battery charging port coupled to a vehicle battery system. The controller is configured to communicate information indicative of a state of charge of a battery of the vehicle over a network. The mobile a battery charging device includes a drive system configured to propel the battery charging device, a charging interface configured to engage the battery charging port of the vehicle, and a controller. The controller is configured to receive the information of the state of charge of the battery system of the vehicle, determine a position of the vehicle, and command the drive system to move the battery charging device to align the charging interface with the battery charging port of the vehicle to charge the battery system of the vehicle.

Abstract: A cooling system for an electrified vehicle includes a first cooling loop for circulating coolant for cooling at least one of power electronics and a motor/generator of the vehicle. The first coolant loop includes a heat exchanger for exchanging heat with the coolant in the first cooling loop. A second cooling loop is provided for circulating coolant for cooling a battery of the vehicle. The second cooling loop includes a coolant chiller connected to a refrigeration system of the vehicle for exchanging heat in the coolant received from the battery with the refrigeration system of the vehicle.

Abstract: A method of controlling a skip-fire cylinder deactivation system of an engine system is provided. The method includes a controller deactivating a cylinder of the engine system to operate the engine system in a skip-fire mode. The method further includes determining a temperature of an injector tip nozzle associated with the cylinder and comparing the temperature of the injector tip nozzle to a threshold a temperature. In response to determining that the temperature of the injector tip nozzle is greater than the threshold temperature, the cylinder is activated by the controller.

Abstract: Systems and methods for mitigating exhaust gas emissions via cylinder deactivation are provided. A system includes a controller coupled to an internal combustion engine and an electric motive device. The controller includes a processor and a memory. The memory stores instruction that, when executed by the processor, cause the controller to: receive a power request less than a current power output from the internal combustion engine; command the electric motive device to provide a supplemental power output based on the received power request; command the internal combustion engine to operate in a cylinder deactivation mode whereby at least one cylinder of a plurality of cylinders of the internal combustion engine is deactivated; responsive to determining that a power output of the internal combustion engine is substantially equivalent to the power request after commanding the internal combustion engine to operate in the cylinder deactivation mode, deactivate the electric motive device.

Abstract: A system for a non-hybrid vehicle is provided. The system includes at least one electrically-powered accessory of a vehicle. The at least one electrically-powered accessory is configured to: receive electrical power generated by an electromagnetic device coupled to an engine; and receive, from a controller, a command configured to control the at least one electrically-powered accessory independent of another electrically-powered accessory of the at least one electrically-powered accessory, whereby the command is independent of an output of the engine.

Abstract: Various embodiments of the present disclosure relate to methods and systems for measuring an injected fuel quantity during multipulse injection events in a common rail of a fuel system including a fuel pump to supply fuel to the common rail. The method, using a control unit, determines if each of the multipulse injection events in a normal operating condition includes a pilot pulse; in response to determining that the pilot pulse is included, obtaining an enforced separation value between the pilot pulse and the main pulse to emulate a single-pulse injection; while the fuel pump is temporarily shut off, performing a temporary enforced separation on a fraction of the multipulse injection events; measuring a pressure change in the common rail during the temporary enforced separation; and resuming the normal operating condition of the multipulse injection events after the pressure change is measured.