Abstract: Systems and methods for an energy harvester proximate to a rotatable component of a vehicle's wheel are disclosed. In some embodiments, an energy harvester system includes: a plurality of energy harvesting components configured to be coupled to a rotatable component in a ring formation along a circumference of the rotatable component, wherein each of the plurality of energy harvesting components includes: a substrate configured to be attached to a surface of the rotatable component; a piezoelectric component coupled to a surface of the substrate, wherein the piezoelectric component is configured to deform in response to a mechanical strain imparted on the piezoelectric component as the rotatable component rotates and generate an electric signal; and an interconnect coupled to the piezoelectric components and configured to conduct the electric signal from the piezoelectric components to a device coupled to the rotatable component.

Abstract: Systems and methods for an energy harvester coupled to a rotatable component of a vehicle are disclosed. In some embodiments, an energy harvester system includes at least one energy harvesting component configured to be attached to a wheel of a vehicle, wherein the at least one energy harvesting component includes a piezoelectric component configured to be directly attached to a staging surface of the wheel, wherein the piezoelectric component is configured to deform in response to a mechanical strain imparted on the piezoelectric component as the wheel rotates and generate an electric signal.

Abstract: A cooling module for an electronic device includes a body having formed therein a plurality of channels, a micro-structured boiling surface, a piezoelectric transducer, an inlet header, and an outlet header. Each channel of the plurality of channels is defined by a first channel surface and opposing lateral channel surfaces cooperatively defining a rectangular cross section normal to a channel axis. The micro-structured boiling surface is positioned adjacent the first channel surface of each channel. The piezoelectric transducer is in acoustic communication with one of the opposing lateral channel surfaces of each channel and configured to direct acoustic waves on the micro-structured boiling surface. The inlet header is in fluid communication with each channel of the plurality of channels. The outlet header is in fluid communication with each channel of the plurality of channels.

Abstract: Energy harvesting module and, more particularly, energy harvesting module configured to be coupled to a rotatable component of a vehicle's wheel, and methods of making an energy harvesting module are disclosed. In some embodiments, an energy harvesting system includes: a piezoelectric component configured to produce energy in response to mechanical strain imparted on the piezoelectric component, wherein the piezoelectric component is configured to deform while experiencing the mechanical strain, and the piezoelectric component comprises a piezoelectric material layer, one or more conductive bonding layers, a load backing layer, and one or more electrode layers, wherein the load backing layer comprises a fiber reinforced composite material.

Abstract: A method of dissociating single cells from a biological tissue sample is described herein, along with systems for performing such methods. The method includes generating one or more ultrasonic wave pulses using a transducer comprising one or more Fresnel Annular Sector Actuator (FASA) elements; and applying energy from the generated one or more ultrasonic wave pulses to a sample container holding the biological tissue sample through a coupling medium that couples the one or more FASA elements to the sample container to dissociate single cells from the biological tissue is described herein.

Abstract: Electrical connector assemblies mountable on a tire of a wheel of a vehicle are described. An electrical connector assembly may include one or more electrical conductors, a respective electrical conductor extending from an inside surface of the tire to an outside surface of the tire. Tire assemblies including at least partially embedded electrical connector assemblies and wheel assemblies including such tire assemblies are also described.

Abstract: Sensor modules mountable on a wheel are described with methods of use. A sensor module for a wheel includes a base module mountable to a rim. The sensor module further includes a first set of piezoelectric sensors coupled to the base module at a first side and a second set of piezoelectric sensors coupled to the base module at a second side. A method includes receiving a first force from a tire on a piezoelectric sensor mounted on a rim, the force resulting from an inflation of the tire and causing a first strain on the sensor. The method further includes receiving a second force on the sensor corresponding to a deformation of the tire due to surface contact, where the second force causes a second strain. The method also includes generating wheel data from electrical signals produced by the sensor; and transmitting the wheel data to a remote device.

Abstract: Systems and methods for an energy harvester proximate to a rotatable component of a vehicle's wheel are disclosed. In some embodiments, an energy harvester system includes: a substrate having a first surface configured to contact and interface with a surface of a wheel, and a second surface opposite the first surface; a piezoelectric component configured to produce energy in response to mechanical strain imparted on the piezoelectric component, wherein the piezoelectric component is configured to deform while experiencing the mechanical strain so as to contact at least a portion of the second surface.

Abstract: Electrical connector assemblies mountable on a tire of a wheel of a vehicle are described. An electrical connector assembly may include one or more electrical conductors, a respective electrical conductor extending from an inside surface of the tire to an outside surface of the tire. Tire assemblies including at least partially embedded electrical connector assemblies and wheel assemblies including such tire assemblies are also described.

Abstract: Systems and methods for smart wheel implementations are disclosed. In some embodiments, a smart wheel system includes: a first plurality of modules attached to a circumferential surface of a wheel, wherein the first plurality of modules are interconnected with one another in a ring configuration that spans along the circumferential surface of the wheel, wherein the first plurality of modules includes: at least one energy harvesting (EH) module comprising at least one EH component configured to convert a force acting on the at least one EH component into at least one electrical signal; and at least one dummy cavity module comprising at least one electronic module, wherein the at least one EH module and the at least one dummy cavity module are each electrically coupled to an electrical interface coupled to the wheel.

Abstract: Systems and methods for smart wheel implementations are disclosed. In some embodiments, a smart wheel system includes: a first plurality of modules attached to a circumferential surface of a wheel of the vehicle, wherein the first plurality of modules includes: at least one energy harvesting (EH) module comprising at least one EH component configured to convert a force acting on the at least one EH device into at least one electrical signals; and at least one electronic module, wherein the at least one EH module and the at least one electronic module are each electrically coupled to an electrical interface coupled to the wheel.

Abstract: Sensor modules mountable on a wheel are described. A sensor module mountable adjacent to a rim of a wheel includes a first set of one or more piezoelectric sensors; and a first elastic support with the first set of one or more piezoelectric sensors coupled thereon so that the first set of one or more piezoelectric sensors are spaced apart from the rim of the wheel. A wheel that includes a rim and the sensor module is also disclosed. A method includes receiving a force on a tire mounted on a rim of a wheel. The tire is in contact with an elastic support with one or more piezoelectric sensors coupled thereon so that the force causes strain in the elastic support and the one or more piezoelectrical sensors. The method also includes, in response to receiving the force, generating electrical signals from the one or more piezoelectric sensors.

Abstract: A sensor assembly may include one or more sensors mountable on a wheel of a vehicle and one or more processors electrically coupled to the one or more sensors for determining a driving condition of the vehicle based on the first sensor signals and the second sensor signals. Methods for determining a driving condition of a vehicle based on sensor signals and a wheel assembly that includes a wheel and the sensor assembly are also disclosed.

Abstract: Systems and methods for an energy harvester proximate to a rotatable component of a vehicle's wheel are disclosed. In some embodiments, an energy harvester system includes: a plurality of energy harvesting components configured to be coupled to a rotatable component in a ring formation along a circumference of the rotatable component, wherein each of the plurality of energy harvesting components includes: a substrate configured to be attached to a surface of the rotatable component; a piezoelectric component coupled to a surface of the substrate, wherein the piezoelectric component is configured to deform in response to a mechanical strain imparted on the piezoelectric component as the rotatable component rotates and generate an electric signal; and an interconnect coupled to the piezoelectric components and configured to conduct the electric signal from the piezoelectric components to a device coupled to the rotatable component.

Abstract: Piezoelectric devices mountable on a rigid mechanical structure are described. A piezoelectric device includes one or more piezoelectric elements and one or more supporting structures. A respective supporting structure of the one or more supporting structures has a flat or non-flat surface and is mechanically coupled with a piezoelectric element of the one or more piezoelectric elements so that a mechanical force on the one or more supporting structures is converted into an electrical signal by the one or more piezoelectric elements. A piezoelectric device system including two or more piezoelectric devices and a method for generating electrical signals are also described.

Abstract: An apparatus includes a rim, a tire, and an energy harvesting component. The rim is configured to rotate and move. The tire is coupled to the rim. The tire when inflated is configured to transfer force to the rim resulting from compressive force acting on a portion of the tire making contact with a road. The energy harvesting component is positioned on the rim and configured to capture a kinetic energy in response to the compressive force acting on the portion of the tire making contact with the road as the rim rotates.

Abstract: Electrical connector assemblies mountable on a tire of a wheel of a vehicle are described. An electrical connector assembly may include one or more electrical conductors, a respective electrical conductor extending from an inside surface of the tire to an outside surface of the tire. Tire assemblies including at least partially embedded electrical connector assemblies and wheel assemblies including such tire assemblies are also described.

Abstract: A cooling module for an electronic device includes a body having formed therein a plurality of channels, a micro-structured boiling surface, a piezoelectric transducer, an inlet header, and an outlet header. Each channel of the plurality of channels is defined by a first channel surface and opposing lateral channel surfaces cooperatively defining a rectangular cross section normal to a channel axis. The micro-structured boiling surface is positioned adjacent the first channel surface of each channel The piezoelectric transducer is in acoustic communication with one of the opposing lateral channel surfaces of each channel and configured to direct acoustic waves on the micro-structured boiling surface. The inlet header is in fluid communication with each channel of the plurality of channels. The outlet header is in fluid communication with each channel of the plurality of channels.

Abstract: Described are methods and systems for enhanced dissociation of cells from a solid biological tissue sample. In some embodiments, a self-contained cartridge apparatus includes a first chamber for receiving the tissue sample, enables ultrasonic energy from a transducer assembly of a processing unit to dissociate cells from the sample in the first chamber, and collect viable cells of interest from an aqueous suspension in a second chamber fluidly connected to the first chamber via a channel. In some embodiments, to enhance dissociation of viable cells, a filter device includes a tubular body configured to be telescopically inserted into a container containing the tissue sample in an aqueous fluid. The filter device also includes a cell-filter mesh that covers a bottom opening of the tubular body and that is configured to compress the tissue sample to expel cells from the sample when the filter device is fully inserted into the container.