Abstract: A system includes an exhaust aftertreatment system and a controller. The controller is configured to: receiving data comprising a first inlet temperature regarding the first catalyst member and a second inlet temperature regarding the second catalyst member; executing a first control process specific to a first set of components of the exhaust aftertreatment system, the first control process comprising determining a first control process output comprising a heater output temperature target that is at least partly based on at least the first inlet temperature regarding the first catalyst member; executing a second control process specific to a second set of components of the exhaust aftertreatment system, the second control process comprising determining a heater control output based on the data, the first control process output that comprises the heater output temperature target, or both; and causing the heater to operate based on the heater control output.

Abstract: A system includes an aftertreatment system and a controller coupled to the aftertreatment system. The controller is configured to receive a model that divides a catalyst of the aftertreatment system into a plurality of portions. The controller is further configured to adjust the model based on one or more sensed values from one or more sensors positioned relative to an upstream portion and a downstream portion of the plurality of portions.

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: An injector seal assembly including a nozzle combustion shield is disclosed, the thermally conductive component of the injector seal assembly defining at least one groove to allow fluid communication between the main combustion chamber and a gap defined by a fuel injector and the injector seal assembly to facilitate the prevention of corrosion of the components.

Abstract: A system, method, and apparatus for temperature control of catalyst member using machine learning technique are provided. A processing circuit receives an indication of a hydrocarbon injection event in a vehicle. The processing circuit receives, at a first timeframe associated with the hydrocarbon injection event, a plurality of parameters regarding an operation of the vehicle. The processing circuit predicts, using a model based on the plurality of parameters, temperature data for a second timeframe subsequent to the first timeframe, the temperature data regarding an aftertreatment system of the vehicle. In response to the temperature data being above a threshold, the processing circuit computes, using the model, a second injection rate based on the predicted temperature at the second timeframe, the second injection rate lower than a first injection rate associated with the hydrocarbon injection event. The processing circuit commands an injector to inject hydrocarbon based on the second injection rate.

Abstract: A system includes an exhaust gas constituent capture device and a controller coupled to the capture device. The controller is configured to receive data regarding the capture device. The data includes at least one output value. The controller is also configured to determine a predicted output value regarding the capture device. The controller is also configured to determine a state of health of the capture device based on comparing the at least one output value with the at least one predicted output value. The controller is also configured to enable controls to mitigate degradation of the capture device, responsive to determining that the state of health of the capture device is at or below a threshold.

Abstract: A fuel system includes including a fuel rail configured to receive fuel from a fuel supply and to supply fuel to a plurality of fuel injectors. A pressure sensor is operatively coupled with and configured to sense pressure of fuel in the fuel rail. An exhaust oxygen sensor operatively coupled with and configured to sense oxygen content of exhaust output by the engine. An electronic control system is configured to receive a fuel pressure signal from the pressure sensor, detect a predetermined frequency of the pressure signal, receive an exhaust oxygen signal from the exhaust oxygen sensor, and in response to an output of the resonating filter and the exhaust oxygen signal, diagnose one of an under-fueling failure mode and an over-fueling failure mode of a diagnosed injector of the plurality of injectors.

Abstract: Systems and methods for determining a value regarding a system, such as a vehicle, to enable control of the system are provided. A method includes: receiving an indication of a transmission being in a continuously single setting; receiving an indication of a brake event of the vehicle; determining a first energy value regarding the vehicle based on the transmission being in the continuously single setting and the indication of the brake event; receiving an indication of a change in operation of at least one of the transmission and the brake event; determining a second energy value regarding the vehicle based on the indication of the change in operation of the at least one of the transmission and the brake event; based on the first and second energy values, determining a value regarding the vehicle; and controlling operation of a component of the vehicle based on the determined value.

Abstract: A system for an engine comprises a component manufactured via additive manufacturing. The component includes a first material with a first contraction rate. An insert is disposed in the component and comprises a second material with a second contraction rate that is lower than the first contraction rate. When the component and the insert are exposed to a temperature suitable for sintering, the component contracts around the insert, thereby coupling the insert and the component.

Abstract: A turbocharger housing includes a first fluid passage and a second fluid passage. The first fluid passage includes an exhaust gas inlet, a volute, and an exhaust gas outlet. The volute extends from the exhaust gas inlet in a circumferential direction relative to a central axis of the exhaust gas outlet. The second fluid passage extends parallel to the first fluid passage between the exhaust gas inlet and the exhaust gas outlet. The second fluid passage includes an outlet opening that is offset from the exhaust gas outlet.

Abstract: Method and system for detecting a high friction within a flow control device of a fuel system are disclosed. For example, the method includes receiving a service test sequence to execute a service test, performing, in response to receiving the service test sequence, the service test to generate test data, the service test including a first test cycle with a first dither level and a second test cycle with a second dither level, wherein the second dither level is different from the first dither level. The method further includes determining whether a performance difference between the first test cycle and the second test cycle exceeds a predetermined threshold based on the test data and detecting, in response to determining that the performance difference exceeds the predetermined threshold, a presence of high friction within the flow control device.

Abstract: In some implementations, a method may include obtaining target fault data indicating a preselected fault for a vehicle having a hydrogen source. In addition, the method may include obtaining vehicle fault data indicating a fault of the vehicle. The method may include identifying a match between the fault and the preselected fault. Moreover, the method may include purging, in response to the identifying the match, hydrogen from the hydrogen source so as to reduce consequences of a battery thermal event by reducing the likelihood of a hydrogen-fueled fire.

Abstract: A controller-configurable input signal conditioning (C-CISC) circuit includes an input node, a first switch, a second switch, and a multiplexer which are operatively coupled with an output pin of a microcontroller. First and second signal conditioning branches of the C-CISC circuit are operatively coupled with an input node and a sensor signal input pin of the microcontroller controller via a first input and a second input of a multiplexer. The C-CISC circuit is configurable in response to a first output of the sensor selection output pin to provide an analog signal input received at the input node to the sensor signal input pin and configurable in response to a second output of the sensor selection output pin to provide a single edge nibble transmission (SENT) signal input received at the input node to the sensor signal input pin.

Abstract: Systems and methods for controlling an aftertreatment system are provided. A method includes: receiving a first input target and a first input value, the first input target and the first input value associated with a first aftertreatment system component; receiving a second input target and a second input value, the second input target and the second input value associated with a second aftertreatment system component; estimating a nitrous oxide value based on at least the first input value and the second input value; determining a first output target based on at least the first input target, the second input target and the nitrous oxide value; and controlling the aftertreatment system based on the first output target.

Abstract: Systems, apparatuses, and methods for controlling a transmission and other systems and components based on operation of an auxiliary braking system for a vehicle are disclosed. A controller includes one or more processing circuits, and is configured to: receive data regarding operation of an auxiliary brake system of the vehicle; determine an auxiliary brake fault condition based on the received data regarding operation of the auxiliary brake system; determine that a vehicle speed is greater than a requested vehicle speed; and control a transmission to downshift at least one setting relative to a current transmission setting.

Abstract: The present disclosure relates to engines with multiple cylinder banks. Systems and methods are disclosed that relate to engine operations that balance the output from the cylinder banks to improve engine health and performance.

Abstract: A power converter apparatus includes a parent circuit board including a first surface, a second surface, and a thermal conductor core disposed intermediate the first surface and the second surface. A first child circuit is board mounted on the parent circuit board. A first plurality of power switches are operatively coupled with the first child circuit board. A second child circuit is board operatively coupled with the parent circuit board. A second plurality of power switches are operatively coupled with the second child circuit board. A first heat transfer circuit includes a first set of conductors thermally conductively coupling the first plurality of power switches with the thermal conductor core. A second heat transfer circuit includes a second set of conductors thermally conductively coupling the second plurality of power switches with the thermal conductor core.

Abstract: A piston head includes a piston head lower portion and a piston head upper portion coupled to the piston head lower portion. The piston head upper portion includes an end wall, an outer wall, and an inner wall. The end wall includes, an outer portion and an inner portion, angled with respect to the outer portion. The outer wall extends axially away from the end wall in a first direction. The inner wall extends axially away from the end wall in the first direction and is separated from the outer wall such that an outer chamber is defined between the outer wall and the inner wall and an inner chamber is defined within the inner wall. The inner wall defines one or more openings fluidly connecting the inner chamber to the outer chamber. An axis of each of the one or more openings is substantially parallel to the inner portion.

Abstract: An engine system for a vehicle includes a controller coupled to an engine, an electric machine, a battery, a series of user input devices, and a transmission. The controller is configured to perform operations. The operations include receiving information regarding the state of operation of the vehicle, further including information regarding vehicle speed, transmission speed, and drive demand power. The controller is further configured to calculate a fuel saved ratio representing efficiency of the engine system and determine how to maximize the efficiency of the system. The operations of the controller further include operating the components of the engine system in order to maximize system efficiency and fuel savings.

Abstract: Systems and methods for transmission gear shift management of a vehicle having cooperative adaptive cruise control (CACC) are provided. A method includes: enabling an at least partially autonomous driving level for a vehicle via a cooperative adaptive cruise control (CACC) mode of the vehicle; determining one or more CACC vehicle states; updating a predictive gear shifting circuit based on the one or more CACC vehicle states; determining a transmission shift event based on the updated predictive gear shifting circuit; and implementing the determined transmission shift event.