Abstract: A fuel cell may include a first fuel cell bipolar plate defining an air layer, a second fuel cell bipolar plate defining a hydrogen layer, and a coolant layer defined by the air layer and the hydrogen layer. The coolant layer includes a plurality of coolant microchannels that facilitate flow of a coolant. One or more support members are to extend between the air layer and the hydrogen layer to define one or more additional coolant flow paths between the air layer and the hydrogen layer.

Abstract: A configurable, double sided, manifold micro-channel cold plate includes a one or more manifold micro-channel cold plate cells. Each cold plate cell includes a manifold body, a manifold insert, a plurality of heat sinks, and a plurality of longitudinal openings configured for fluidic communication with the fluid channels. The manifold body has fluid channels to permit flow of a fluid coolant. The manifold insert has a plurality of manifold insert fluid channels, and is configured for receipt in the one of the modular body recesses. The heat sinks are configured for receipt in the modular body recesses, and include an impingement surface configured for fluidic communication with the manifold insert fluid channels, and a heat transfer surface for thermal communication with one or more heat generating devices.

Abstract: Embodiments described herein disclose a vapor chamber including a thermally-conductive evaporator wall, a thermally-conductive condenser wall and a volume therebetween defining a vapor core for transporting a vapor of a working fluid from the evaporator wall to the condenser wall. The outer surfaces of the evaporator wall and the condenser wall are configured to be in thermal contact with a plurality of heat sources and a heat sink respectively. The vapor chamber further includes a porous wick structure for holding and pumping the working fluid towards the plurality of heat sources. The wick structure comprises an evaporator-feeding wick having an inner surface in thermal contact with an inner surface of the evaporator wall. The evaporator-feeding wick comprises a first region having a higher permeability than at least a second region to form a permeability gradient, such that the working fluid has a uniform flow to the plurality of heat sources.

Abstract: A real-time machine perception system and vehicles with real-time perception systems can be adapted for navigation in conflict zone environments and include an optical sensor and an optical processing component coupled to the optical sensor. The optical processing component can be configured to solve a non-linear control problem comprising solving a multi-vehicle merging or multi-vehicle synchronization problem. The optical processing component can perform optical processing on a signal from the optical sensor according to a deep learning algorithm having weights determined by solving the non-linear control problem.

Abstract: Apparatuses and methods for monitoring vital signs. Movement data for a selected body location of a person in a vehicle is generated using a movement sensor positioned remotely with respect to the person. Input data is formed for a machine learning system using the movement data. The input data is processed using the machine learning system to remove noise from the input data and generate a target output that identifies a vital sign of the person.

Abstract: A system for optically cloaking an object includes a photophoretic optical trap display including a trap light source and an illumination light source; and a visual sensor at a first visual sensor location. The visual sensor captures an image of a scene, the trap light source is configured to generate a trap beam to control one or more of a position and an orientation of a scattering particle, and the illumination light source is configured to generate an illumination beam to illuminate the scattering particle to generate a reproduction image based on the image of the scene captured by the visual sensor.

Abstract: Systems and methods for detecting an anomaly in a power semiconductor device are disclosed. A system includes a server computing device and one or more local components communicatively coupled to the server computing device. Each local component includes sensors positioned adjacent to the power semiconductor device for sensing properties thereof. Each local component receives data corresponding to one or more sensed properties of the power semiconductor device from the sensors and transmits the data to the server computing device. The server computing device utilizes the data, via a machine learning algorithm, to generate a set of eigenvalues and associated eigenvectors and select a selected set of eigenvalues and associated eigenvectors. Each local component conducts a statistical analysis of the selected set of eigenvalues and associated eigenvectors to determine that the data is indicative of the anomaly.

Abstract: Methods, systems, and apparatus for generating and storing electrical energy for a partially or fully electric vehicle having a motor/generator, the system includes an auxiliary power device configured to generate electrical energy by converting non-electrical energy into electrical energy. The system includes a transmitter connected to the auxiliary power device and configured to wirelessly transmit the electrical energy generated by the auxiliary power device. The system includes a battery configured to store electrical energy and power the motor/generator to propel the vehicle. The system includes a receiver connected to the battery and configured to receive electrical energy and charge the battery. The system includes a power bus configured to wirelessly receive the generated electrical energy from the transmitter and transmit the generated electrical energy to the receiver.

Abstract: A method of fabricating a multi-mode heat transfer device includes forming a thermal metamaterial composite structure that includes an inner core to radiate heat and an outer core that at least partially surrounds the inner core. The outer core includes a high thermally conductive material inlay and a low thermally conductive material matrix that form a composite material pattern to thermally concentrate and direct heat radiated by the inner core to an area outside of the multi-mode heat transfer device, while also thermally cloaking heat radiated by the inner core. A plurality of thermal metamaterial composite structures are then stacked in a stacked formation to form a thermal metamaterial composite assembly. The method includes manipulating the emissivity of the thermal metamaterial composite assembly by selectively applying a coating or a plating to one or more outer surface regions of the outer core to enhance the transfer of heat by the composite material pattern.

Abstract: Embodiments described herein generally relate to a multi-mode heat transfer system. The heat transfer system includes an emitter device. The emitter device includes an inner core surrounded by an outer core having a thickness and an outer surface. A composite material pattern extends through at least a portion of the outer surface and at least a portion of the thickness of the outer core and is thermally coupled to the inner core. The composite material pattern in combination with an optimized emissivity surface coating/paint profile directs a heat from the inner core to an object other than the emitter device.

Abstract: An apparatus comprises a first plurality of optical fibers embedded in a first plurality of fabric strands, a second plurality of optical fibers embedded in a second plurality of fabric strands, and a detector. The first plurality of optical fibers are positioned adjacent to each other and oriented along a first direction and the second plurality of optical fibers are positioned adjacent to each other and oriented along a second direction orthogonal to the first direction. The first and second plurality of optical fibers are configured to receive ambient light emitted onto them. The detector detects the light received into at least some of the first and second plurality of optical fibers and creates data configured to be processed to identify an object adjacent to the apparatus. The data is based on the light received into the first plurality of optical fibers and the second plurality of optical fibers.

Abstract: Embodiments disclosed herein describe manifold microchannel heat sinks having a gridded microchannel assembly with free-form fin geometries for cooling heat-generating devices in the electronics modules. In an embodiment, a manifold microchannel heat sink includes a target surface and a gridded microchannel assembly comprising a plurality of microchannel cells. Each microchannel cell is surrounded by thermally-conductive sidewalls and includes a fluid inlet, a microchannel structure fluidly coupled to the fluid inlet and a fluid outlet. The microchannel structure extends from the target surface and defines a microchannel extending in a normal direction with respect to the target surface. The microchannel structure includes a base plate disposed on the target surface and a three-dimensional fin structure disposed on the base plate. The three-dimensional fin structure has a shape optimized for thermal performance and fluid performance.

Abstract: An insulation system for a vehicle includes a vehicle component that operates at an operating temperature that is higher than an initial temperature, an insulation member thermally coupled to the vehicle component and thermally coupled to an ambient medium, the insulation member including an enclosed chamber, the enclosed chamber including a chamber wall that defines an interior volume, and carbon dioxide positioned within the interior volume of the enclosed chamber, where the chamber wall prevents flow of the carbon dioxide out of the enclosed chamber.

Abstract: Embodiments of the disclosure relate to apparatuses for enhanced thermal management of a planar inductor assembly. In one embodiment, a cooling package for an inductor assembly includes a cold plate and a heat-spreading bracket mechanically coupled to the cold plate at a first end of the heat-spreading bracket. The cold plate has a slotted recess for mounting a first inductor core along a first end thereof. The heat-spreading bracket is configured to apply a clamping force to a second inductor core at a second end opposite to the first end of the heat-spreading bracket.

Abstract: Embodiments of the disclosure relate to an electronic assembly including a substrate having a first surface and a second surface opposite to the first surface and one or more electronic devices bonded to the first surface of the substrate. A first heat-storing region is embedded within the substrate and proximate to the second surface. The first heat-storing region comprises a phase change material encapsulated by an encapsulating layer. A melting temperature of the encapsulating layer is higher than a melting temperature of the phase change material and a maximum operating temperature of the one or more electronic devices. A heat transfer layer is embedded within the substrate and thermally connects the first heat-storing region to the one or more electronic devices.

Abstract: A display includes a plurality of elongated waveguides positioned adjacent to each other and extending along a first direction, a plurality of elongated upper electrodes positioned adjacent to each other on a first side of the waveguides and extending along the first direction, and a plurality of elongated lower electrodes positioned adjacent to each other on a second side of the waveguides opposite the first side and extending along a second direction transverse to the first direction. At least one of the waveguides comprises nonlinear materials having a third order susceptibility.

Abstract: A display includes a plurality of elongated waveguides positioned adjacent to each other and extending along a first direction, a plurality of elongated upper electrodes positioned adjacent to each other on a first side of the waveguides and extending along the first direction, and a plurality of elongated lower electrodes positioned adjacent to each other on a second side of the waveguides opposite the first side and extending along a second direction transverse to the first direction. At least one of the waveguides comprises nonlinear materials having a third order susceptibility.

Abstract: Methods, systems, and apparatus for a wireless charging apparatus. The wireless charging apparatus includes a layer or sheet of polymeric or similarly compliant material. The wireless charging apparatus includes an inductive loop embedded within the layer or sheet of polymeric material. The inductive loop has a first shape and a first size. The wireless charging apparatus includes one or more actuators. The one or more actuators are configured to move or shape the layer or sheet of polymeric material and the inductive loop. The wireless charging apparatus includes a controller. The controller is configured to determine a second shape or a second size for the inductive loop. The controller is configured to move or adjust the one or more actuators to form the inductive loop into a second shape or a second size.

Abstract: Systems and methods for modifying an infrared signature of a vehicle are provided. A method may include producing an aerosol cloud proximate the vehicle. The method may further include determining one or more characteristics of the aerosol cloud. The method may also include determining a projection plane within the aerosol cloud based on the aerosol cloud characteristics for projecting a representation of the object. The method may additionally include providing heat at particles in the projection plane of the aerosol cloud to generate the object representation.

Abstract: An optical power transfer device with an embedded active cooling chip is disclosed. The device includes a cooling chip made of a semiconductor material, and a first subassembly and a second subassembly mounted on the cooling chip. The cooling chip comprises at least one metallization layer on a portion of a first surface of the cooling chip, at least one inlet through a second surface of the cooling chip, wherein the second surface is opposite to the first surface, at least one outlet through the second surface and one or more micro-channels extending between and fluidly coupled to the at least one inlet and the at least one outlet. A cooling fluid flows through the one or more micro-channels. The first subassembly is mounted on the at least one metallization layer and comprises a laser. The second subassembly comprises a phototransducer configured to receive a laser beam from the laser.