Abstract: A multi-phase power inverter for an electric propulsion system includes a plurality of H-type multilevel power converters arranged between a high-voltage DC power supply and an electric machine. Each of the plurality of H-type multilevel power converters is a solid-state integrated circuit (IC) that includes a positive DC power bus, a negative DC power bus, a neutral bus, and a plurality of semiconductor switches disposed in a stacked arrangement. The plurality of semiconductor switches is interconnected via the positive DC power bus, the negative DC power bus, and the neutral bus.

Abstract: A computer-implemented method that, when executed by data processing hardware, causes data processing hardware to perform operations comprising receiving a service request associated with a service request button of a vehicle, receiving one or more service button engagement scoring inputs each associated with a corresponding vehicle status, calculating a service request confidence score based on the one or more service button engagement scoring inputs, assigning a service request cancellation period based on the one or more service button engagement scoring inputs, determining whether a cancellation request is received within the service request cancellation period, and either cancelling the service request when the cancellation request is received within the service request cancellation period, or transmitting the service request to a service provider when the cancellation request is not received within the service request cancellation period.

Abstract: A system may include data processing hardware and memory hardware in communication with the data processing hardware. The memory hardware may store instructions that when executed on the data processing hardware cause the data processing hardware to perform operations. The operations include requesting, via a boot manager of a host module, a hardware security module (HSM) to verify an application software of the host module and configuring, via the verified application software, a memory protection unit (MPU) to at least one of no execute and no write for at least one area of a memory of the host module. The operations further include executing the application software with the HSM enabled.

Abstract: A vehicle includes ignition controls operable between an active state and an inactive state and a storage compartment operable between a locked state and an unlocked state. An electronic control unit (ECU) is configured to detect one of the active state and the inactive state of the ignition controls and includes data processing hardware and memory hardware that stores a security monitoring system. The security monitoring system includes an alarm and a security monitoring application that is configured to execute a delay mode including a tiered proactive measure. The delay mode is configured to delay translation of the storage compartment from the locked state to the unlocked state in response to a security event.

Abstract: An aerodynamic system for a vehicle that includes a structure. The structure includes a body that defines an underbody. The vehicle includes an assembly that moves relative to the body. A panel system is coupled with the underbody and includes an aerodynamic panel defining an opening and a reactive panel that closes the opening. The aerodynamic panel is coupled with the body at the underbody. The reactive panel moves in response to contact by the assembly and returns to close the opening when released by the assembly.

Abstract: A multi-phase power inverter for an electric propulsion system includes a plurality of T-type multilevel power converters arranged between a high-voltage direct current (DC) power supply and an electric machine. Each of the plurality of T-type multilevel power converters is a solid-state integrated circuit that includes a positive DC power bus, a negative DC power bus, a neutral bus, and a plurality of semiconductor switches disposed in a stacked arrangement. The plurality of semiconductor switches is interconnected via the positive DC power bus, the negative DC power bus, and the neutral bus.

Abstract: A multifunctional unified structure thermal plate and system for supporting a plurality of battery cells included as part of a high voltage battery pack. The plate may include a bottom plate and a plurality of crossbeams configured for supporting the battery cells, with the bottom plate and the crossbeams together being from as a monolithic, one-piece structure.

Abstract: Methods and apparatus are provided for performing an assisted driving trailer reversing operation including a user interface configured to generate an initiation signal in response to a user input, a processor configured to generate a control signal in response to the initiation signal indicative of an inverse steering ratio, a steering angle sensor to detect a steering direction and a steering angle from a center steering position, a steering controller configured to receive the steering angle and the steering direction from the steering angle sensor, to invert the steering angle to generate an inverted steering angle such that the inverted steering angle has a same angular magnitude as the steering angle and an opposite direction than the steering direction, and a vehicle control system for controlling a movement of a vehicle in response to the inverted steering angle.

Abstract: A rotor shaft system for a vehicle includes a rotor shaft having a first shaft end opposite a second shaft end. The rotor shaft has a first segment and a second segment defined between the first shaft end and the second shaft end. The rotor shaft system includes a shaft gear coupled to the rotor shaft between the first shaft end and the first segment, and a shaft sleeve coupled to the first segment so as to surround a portion of the shaft gear. The rotor shaft system includes a lubrication system defined at least partially through the rotor shaft and the shaft sleeve. The lubrication system is to supply a fluid to at least a portion of the rotor shaft and the shaft sleeve.

Abstract: A rotor assembly for an electric machine includes first laminates, second laminates; and a rotor shaft, wherein the first laminates and the second laminates are arranged in a stack on the rotor shaft. Each of the first laminates includes a first inner portion and a plurality of first outer portions, wherein the first inner portion and the first outer portions define a plurality of first cavities, wherein the plurality of first outer portions are secured to the first inner portions via a plurality of bridges. Each of the second laminates includes a second inner portion and a plurality of second outer portions. The second inner portion and the plurality of second outer portions define a plurality of second cavities, wherein the second outer portions are secured to the second inner portions via a plurality of second webs and are absent a bridge.

Abstract: A multi-phase power inverter for an electric propulsion system includes a plurality of X-type multilevel power converters arranged between a high-voltage direct current (DC) power supply and an electric machine. Each of the plurality of X-type multilevel power converters is a solid-state integrated circuit (IC) that includes a positive DC power bus, a negative DC power bus, a neutral bus, and a plurality of semiconductor switches disposed in a stacked arrangement. The plurality of semiconductor switches is interconnected via the positive DC power bus, the negative DC power bus, and the neutral bus.

Abstract: An electrical power system. The electrical power system may include a rechargeable energy storage system (RESS) having a high voltage (HV) interface configured for exchanging HV power with one or more loads and a low voltage (LV) interface configured for exchanging LV power with a plurality of electrical grids a redundant distribution system having a plurality of busbars configured for redundantly connecting the electrical grids with the LV interface such that each of the electrical grids remains operable and connected to the LV interface during a disconnect event.

Abstract: A method of performing a camera to ground alignment for a camera system on a vehicle. The method includes determining if enabling conditions have occurred and estimating a location of a vanishing point in a source image. Ground lines are selected based on a source image. A lane line detection is performed based on clustering of the ground lines to determine lane lines in the source image. At least one of pitch, yaw, or roll of the vehicle are estimated from the source image. A cost function based on estimates of pitch, yaw, and roll is minimized to obtain an optimal pitch value, an optimal yaw value, an optimal roll value, and lane lines from the source image. A sliding window-based refinement is performed on source images. Alignment results are broadcast to a downstream application or it is determined if the camera system on the vehicle is misaligned.

Abstract: Vehicles, crankshaft assemblies for vehicles, and methods for connecting vehicle accessory components and crankshafts are provided. A vehicle includes an engine configured to produce a linear motion output; a crankshaft configured to convert the linear motion output to rotational motion and terminating at an end with a tapered exterior surface extending to a central surface; an annular ring having a proximal ring surface, a distal ring surface, a ring opening, and a tapered inner surface, wherein the end of the crankshaft is received in the ring opening; and a fastener fixed to the crankshaft and holding the annular ring against the tapered exterior surface.

Abstract: Systems and methods for diagnosing sensor performance of a UWB sensor localization are provided. The system comprises a UWB tag, at least four UWB anchors, and a gateway. The gateway comprises an ECU arranged to receive sensor signals from the UWB anchors. The ECU comprises a preprocessing module arranged to align the sensor signals defining aligned data and is arranged to determine intersections of the aligned data defining points of intersections. The system further comprises a clustering module arranged to cluster the points of intersections defining at least one cluster of points of the UWB anchors to calculate a clustering quality and a clustering variance of each of the at least one cluster. The ECU is arranged to find a clustering contribution of each anchor defining a first contribution low of one of the anchors and is arranged to determine an erratic anchor based the first contribution low.

Abstract: A system selecting a parking spot using reinforcement learning includes a first monitor evaluating available parking spots in a parking lot. Reinforcement learning (RL) is used to pick a parking spot based on user preferences. A computer computes a probability of a future parking spot availability from the available parking spots. An information source wherein the computer retrieves information including time of day, weather and location from the information source to assist in computing the probability of the future parking spot availability. An update module receives the future parking spot availability from the computer and updates a belief probability, the belief probability including a belief defined as a data structure in which a probability of the available individual parking spots within the parking lot is stored. An RL model is updated for the parking lot after a park maneuver is completed for a host vehicle.

Abstract: Protective sleeves, kits-of-parts for manufacturing sleeves, and methods for manufacturing sleeves are provided. An exemplary protective sleeve includes an inlet end connector; intermediate linking connectors; and an outlet end connector. The intermediate linking connectors are interconnected in a series from the inlet end connector to the outlet end connector; and the inlet end connector, the intermediate linking connectors, and the outlet end connector comprise fire-resistant material.

Abstract: An axial flux motor includes: a ring-shaped stator, a ring-shaped rotor and a planetary gear set. The ring-shaped stator includes a stator core and segments arranged on the stator core, where each of the segments includes a laminated stack and windings wrapped around the laminated stack. The ring-shaped rotor defines an inner open area and including a body and permanent magnets arranged on the body adjacent to and spaced from the segments. The planetary gear set is disposed within the inner open area and configured to receive an input torque from the rotor and provide an output torque, which is greater than the input torque.

Abstract: A trajectory planning system for an autonomous vehicle includes one or more controllers in electronic communication with one or more external vehicle networks that collect data with respect to one or more moving obstacles located in an environment surrounding the autonomous vehicle. The one or more controllers determine, based on the discrete-time relative vehicle state, a position avoidance set representing relative lateral positions and longitudinal positions that the autonomous vehicle avoids while bypassing the one or more moving obstacles when performing a maneuver. The one or more controllers select a trajectory from the plurality of relative state trajectories for the autonomous vehicle, where the autonomous vehicle follows the trajectory while performing the maneuver.