Abstract: A management system for a multi-cell rechargeable energy storage system (RESS) is capable of wirelessly communicating with an unsecured third-party device. The management system includes a system controller that is in communication with cell monitoring units that are arranged to individually monitor the battery cells. Each cell monitoring unit includes a cell controller that is in communication with a sensor that is arranged to determine a parameter of a respective one of the battery cells of the RESS. Each of the cell controllers is configured to execute a secure wireless communication protocol, and is also configured to execute an open wireless communication protocol. The open wireless communication protocol is activated to enable non-proprietary wireless communication to a proximal third-party device in response to a trigger event.

Abstract: A method for controlling an automated driving operation includes setting up respective independent models for executing planning and learning in the automated driving operation, including a vehicle planning model and a cognitive learning model. A semantic layer is generated to act as a bridge between the cognitive learning model and the vehicle planning model, the semantic layer including a first data adaptor and a second data adaptor. The method includes transforming real traffic data to a respective equivalent abstract representation such that it can be used by the cognitive learning model to generate a humanized reward model, via the first data adaptor. The method includes determining a trajectory plan, via the vehicle planning model, based in part on the humanized reward model. The vehicle has a controller that executes the automated driving operation based in part on the trajectory plan.

Abstract: A system for calibrating a waveguide-based holographic head-up display that projects images upon a windscreen of a vehicle including a light-diffusing panel positioned at the center of an eyellipse to reflect the images projected by the waveguide-based holographic head-up display. An eyebox of the waveguide-based holographic head-up display is positioned at the center of the eyellipse, and the eyebox is divided into a plurality of unit exit pupils. The system also includes a camera positioned to capture the images reflected by the light-diffusing panel and one or more controllers in electronic communication with the waveguide-based holographic head-up display and the camera. The one or more controllers execute instructions to determine a warp map based on a plurality of corrected individual calibration patterns.

Abstract: Methods and systems for vehicles are provided for trailer steering assistance. The system includes a computer system onboard the vehicle and configured to, by a processor: monitor a front steering angle of the vehicle and a hitch angle of the vehicle as the vehicle and the vehicle trailer move in the reverse direction, dynamically adjust a rear steering angle of the vehicle as the vehicle and the trailer move in the reverse direction based on the front steering angle and the hitch angle to match the rear steering angle to the front steering angle while the hitch angle less than a predetermined hitch angle, and dynamically adjust the rear steering angle of the vehicle as the vehicle and the trailer move in the reverse direction based on the front steering angle and the hitch angle to maintain the hitch angle at the predetermined hitch angle.

Abstract: The disclosed technology relates to solutions for improving a firmware update mechanism and in particular, for improving a firmware update mechanism of a power distribution board by utilizing different boot procedures. A process of the disclosed technology can include steps for receiving, at a microcontroller, a firmware update, wherein the firmware update is transmitted by a computer powered by a power distribution board associated with the microcontroller, initiating, by the microcontroller, a warm boot procedure using the firmware update, and marking the warm boot procedure as successful if a message received from the computer indicates that the firmware update is successful. In some aspects, the process can further include steps for determining a power reset of the computer, initiating, by the microcontroller, a cold boot procedure using the firmware update, and marking the firmware update as proven if the message from the computer indicates that the firmware update is successful.

Abstract: The present disclosure provides a method comprising receiving a rideshare request from a user, the rideshare request including a destination; transporting the passenger to the destination using an autonomous vehicle (AV) having a plurality of windows comprising electrically switchable smart glass; during the transporting, monitoring a metric related to arrival of the AV at the destination; and untinting the windows when the monitored metric has a prescribed relationship to a threshold value.

Abstract: A voice-biometrics based solution for unwanted self-invocations by virtual assistant applications is proposed. In various embodiments, a processing system is configured to control a virtual assistant. The processing system may have stored in a memory at least one voiceprint created using voice biometrics based on recorded utterances of synthetic speech from the virtual assistant. The at least one voiceprint may be used to prevent self-invocation of a virtual speech session by matching the voiceprint created using the synthetic speech utterances with the incoming audio stream.

Abstract: Methods and systems are provided that include obtaining camera images from a camera of a vehicle; obtaining weather data as to a location in which the vehicle is travelling; processing the camera images, via a processor, generating one or more processed frames from the camera images, based on the weather data; and performing a control action for the vehicle, in accordance with instructions provided by the processor, based on the one or more processed frames.

Abstract: A propulsion system for an electric vehicle includes an induction electric motor configured to generate torque for propulsion. The system includes a controller having a processor and tangible, non-transitory memory on which instructions are recorded for a method of suppressing tonal noises in a predefined motor speed range of the electric motor. The controller is adapted to simultaneously inject flux harmonics through respective injections in a rotor reference frame, a first flux reference frame and a second flux reference frame. The rotor reference frame is based in part on a rotor bar order and a rotor position. The first flux reference frame is based in part on a first induction order, the rotor position and a slip position. The second flux reference frame is based in part on a second induction order, the rotor position and the slip position.

Abstract: Presented are battery assemblies with gas manifold liners and support tray seals for optimized gas venting, methods for making/using such battery assemblies, and vehicles equipped with such battery assemblies. A battery assembly, such as a rechargeable high-voltage traction battery pack, includes a support tray that seats thereon a cold plate. The cold plate is formed with a thermally conductive material and includes a gas manifold that exhausts gases from the battery assembly. At least one battery cell is supported on the cold plate and includes a cell case that contains a galvanic electrochemical cell and has a cell vent fluidly coupled with the gas manifold. A manifold liner is located within and abuts opposing walls of the gas manifold. The manifold insert includes one or more thermal barrier layers, each formed with a thermally insulating material, and one or more electrical barrier layers, each formed with an electrically insulating material.

Abstract: Method and system for safety monitoring of a rechargeable lithium battery powering an electrical device. Primary parameters of battery are measured during a normal operation of the electrical device. Primary parameters may include: DC current; DC voltage; state of charge; measurement timestamps; battery temperature and ambient temperature. Primary parameters are processed to derive secondary parameters, and to determine a state of risk (SOR) of battery based on primary parameters and secondary parameters, during normal operation of electrical device. Processing may apply resistors-capacitors model and/or machine learning model. SOR determination may be based on comparison with baseline value reflecting baseline condition of battery. SOR may include categories of No Fault Found (NFF); Potential Fault Found (PFF); and Fault Found (FF). Alert of a potential short circuit derived hazard may be provided and/or countermeasure may be implemented responsive to determined SOR, such as when SOR category is PFF or FF.

Abstract: An infrastructure system facilitates trace-based surveys to query users their experiences with pull request workflows. For example, the infrastructure system may receive from a client device associated with a user a pull request for making one or more changes to a programming code repository. The infrastructure system may generate a trace based on a pull request workflow including operations for making the change(s). The trace includes spans, each of which correspond to one or more operations in the pull request workflow. The infrastructure system generates log files, each log file includes data logged during the one or more operations of a span. The log files may be stored as a dataset of the trace. The infrastructure system may transmit a survey to the client device based on the dataset. The infrastructure system may also modify the pull request workflow based on the user's response to the survey.

Abstract: A dual-function, combined thermal/structural structure for simultaneously holding and cooling one or more battery cells that are stacked inside of a battery pack. The dual-function structure comprises: (1) a first cooling plate with a first plurality of parallel internal coolant channels; (2) a second cooling plate with a second plurality of parallel internal coolant channels; (3) a first structural side plate; (4) a second structural side plate; and (5) fasteners for joining the first cooling plate, the second cooling plate, the first structural side plate, and the second structural side plate together into an rectangular, box-like, cooled structure. The first and second cooling plates simultaneously structurally support and thermally cool one or more battery cells on at least two opposite sides. Additional horizontal cooling plates can be used to thermally cool and structurally support the underside of each battery cell, thereby providing a 3-sided cooling effect.

Abstract: A battery pack includes a battery pack enclosure surrounded by an external environment and housing battery cells. The battery pack enclosure includes a tray having a first compartment housing the battery cells and a second compartment configured to collect high-temperature gas emitted by the battery cell(s) during a thermal runaway and expel the gas to the external environment. The battery pack enclosure also includes a cover configured to engage the tray and seal the enclosure. The first compartment is arranged between the second compartment and the cover. The battery pack also includes a temperature-sensitive component arranged inside the enclosure between the second compartment and the cover. The battery pack additionally includes a vent channel fluidly connecting the first and second compartments and configured to direct the high-temperature gas from the first compartment to the second compartment, thereby diverting the gas away from the temperature-sensitive component.

Abstract: Systems and methods are provided for controlling a transmission of a vehicle that has a selectable one-way clutch. The system includes a sensor system, an anti-lock brake system (ABS), and a controller configured to, by a processor: monitor for a deceleration event wherein an estimated output speed acceleration of the vehicle is reduced below a first threshold, receive a status of the ABS, and output one or more control signals to command the transmission to inhibit the application of the selectable one-way clutch in response to detection of the deceleration event when the selectable one-way clutch is not applied, and the estimated output speed acceleration of the vehicle is either: (i) below the first threshold while the anti-lock brake system ABS of the vehicle is active, or (ii) below a second threshold while the ABS is inactive, wherein the first threshold is greater than the second threshold.

Abstract: A method in a vehicle, includes: providing, via an HMI, a request to be followed indication responsive to receipt of a request to be followed from a following vehicle; providing, via the HMI, a request to enter a tether operating mode; entering the tether operating mode and selecting a tether goal between the lead vehicle and the following vehicle; providing, via the HMI, a tether mode indication that indicates that the lead vehicle is in the tether operating mode; monitoring a headway between the lead vehicle and following vehicle; adjusting a preplanned trajectory calculated by a driver assistance system to facilitate the following vehicle obtaining and maintaining the tether goal; modifying driver assistance system operation based on a level at which the headway is greater than the tether goal; and generating control signals for vehicle actuators to control the lead vehicle to facilitate the following vehicle maintaining the tether goal.

Abstract: A device for discharging a high-voltage (“HV”) battery pack in an electrical system having a low-voltage (“LV”) bus and a high-voltage (“HV”) bus includes a resistive load and an electronic control unit (“ECU”). The ECU transmits electronic control signals to the resistive load to change an output state of the resistive load. As part of a related method, the ECU receives a state of charge (“SOC”) of the battery pack and an auxiliary voltage level of the LV bus. The ECU then selectively adjusts the electronic control signals in response to the SOC and auxiliary voltage level to optimize the output state of the resistive load. This continues until the SOC is within a specified SOC range.

Abstract: Systems and methods for manufacturing a product include a mixing station for preparing a solution containing a base material and a performance modifier. The base material is configured to deliver performance characteristics of the product that are preselected and the performance modifier is configured to enhance the performance characteristics. An encapsulation station produces particles of the performance modifier in a coating of the base material as an encapsulate powder. An additive manufacturing cell includes an energy source and is used to build the product from the encapsulate powder by an application of energy from the energy source.