Abstract: A power device capable of displaying various statuses and a displaying method are provided. The power device includes: a central microprocessor, a power conversion circuit, an LED bar (or a light bar) circuit, and a battery pack. The central microprocessor intrinsically has color setting and control logic and is internally provided with a color setting and control logic circuit. The power device is externally connected to a utility power source, a solar photovoltaic power source, a backup battery pack, and a load. The color setting and control logic circuit enables the LED bar circuit to correspondingly emit LED light of at least two colors according to different power sources supplied to the load or a battery capacity, and the LED light is displayed in a breathing-like manner. The central microprocessor adjusts a breathing rate of the LED light according to a power consumption of the load.

Abstract: A method of determining the state of charge (SOC) of a battery. The method may employ a transformation technique that linearizes a nonlinear model by converging close to a measured value and thereby estimating the state of charge accurately without affecting the computation time and load on the system. The transformation technique employs an adaptive unscented Kalman filter (UKF).

Abstract: Disclosed is a battery pack including a battery module having a plurality of battery cells, and a heat dissipation member provided in contact with a bus bar at a side surface of the battery module where electrode leads of the battery cells and the bus bar coupled to the electrode leads are disposed.

Abstract: An approach to create a multiple use test case when one or more computer processors receive a first test case from a test generator. The approach includes the computer processors evaluating each instruction in the first test case to determine that an instruction meets a set of conditions for creating a multiple use test case. The method includes one or more computer processors generating a set of rules for each instruction meeting the one or more conditions to create the multiple use test case. Furthermore, the method includes one or more computer processors creating the multiple use test case by adding the set of rules to each instruction meeting the one or more conditions to create the multiple use test case.

Abstract: A method and an apparatus for authenticating a chip are provided and a computer storage medium is also provided. The method may include configuring a software environment and a hardware environment associated with the chip via a configuration file, the configuration file including a plurality of instructions and data required to execute the instructions, the software environment and the hardware environment being created based on the chip; causing a plurality of instructions to be executed in a software environment and a hardware environment, respectively; obtaining a first information generated by executing instructions in a software environment and a second information generated by executing instructions in the hardware environment, respectively, the first information and the second information including the plurality of instructions being executed, its address, and data generated by executing the instructions; and authenticating the chip based on the generated first information and second information.

Abstract: In connection with a user interface for a motor vehicle with a hybrid drive, a driver is able to select whether the hybrid drive is operated in an operating mode which consumes charge, or in an operating mode which retains charge. The user interface is configured to display the charge state of the energy store on a display, and to receive or calculate a charge state variable which is characteristic of the charge state. The charge state variable may be displayed with a first range of values in a first display area during operation of the hybrid drive in the charge-consuming operating mode. The charge state variable may be displayed with a second range of values, which is a subset of the first range of values, in a second display area during operation of the hybrid drive in the charge-retaining operating mode. The second display area is larger than a subrange of the first display area in which the second range of values is displayed.

Abstract: According to one embodiment, a battery backup system includes an output terminal, one or more BBUs coupled in parallel to provide backup power to an external electronic device coupled to the output terminal, and a control circuit to control the power distribution from the BBUs. Each of the BBUs includes a battery pack having one or more battery cells and a converter to regulate and output power to the output terminal. The control circuit is configured to control a duty cycle for each of the BBUs, which when used to drive the BBU, adjusts power output in order to balance charges amongst the BBUs. The duty cycle of each BBU is determined based on an output voltage across the output terminal, an output current flowing through the output terminal, and characteristics of the battery pack of the BBU.

Abstract: Described herein is a wireless charging system including a wireless power transmitter and a wireless power receiver, where the wireless power receiver is part of a wireless electronic device such as a mobile telephone. The wireless power receiver is used to charge a battery of the wireless electronic device and can include both a closed-loop DC-DC converter, such as a buck charger, and an open-loop DC-DC converter, such as a switched capacitor charger. In addition to an in-band communication channel between the power transmitter and the power receiver, the system also includes an out-of-band communication channel through which the power transmitter and the power receiver can exchange control signals, helping to avoid interference that can occur in the in-band communication channel when using the open-loop DC-DC converter.

Abstract: A load-bearing strap with an inductive charging system is an apparatus that allows a user to charge a portable device, handsfree. The apparatus includes at least one strap, at least one pocket, a plurality of channels, and an inductive charging system. The inductive charging system is safely housed within the at least one strap as the at least one strap includes at least one charging chamber, a controller chamber, and a power source chamber. The at least one strap connects a bag about a user and houses the inductive charging system. The at least one pocket connects a portable device with the at least one strap. The plurality of channels connects the at least one charging chamber, the controller chamber, and the power source chamber with each other. The inductive charging system inductively charges a portable device with at least one set of coils, a microcontroller, and a power source.

Abstract: A method of designing a 3D Integrated Circuit, including: performing partitioning to at least a logic strata, the logic strata including logic, and to a memory strata, the memory strata including memory; then performing a first placement of the memory strata using a 2D placer executed by a computer, where the 2D placer includes a Computer Aided Design tool, where the 3D Integrated Circuit includes a plurality of connections between the logic and the memory strata; and performing a second placement of the logic strata based on the first placement, where the memory includes a first memory array, where the logic includes a first logic circuit connected so to write data to the first memory array, where the first placement includes placement of the first memory array, and where the second placement includes placement of the first logic circuit based on the placement of the first memory array.

Abstract: Refining multi-bit flip flops mapping without explicit de-banking and re-banking is provided by identifying a set of equivalent flops in a layout, that include a first flop having a first logic routing and a first location in the layout and a second flop having a second logic routing and a second location in the layout; and remapping the first logic of the first flop from the first location to the second location and the second logic of the second flop from the second location to the first location.

Abstract: A modular wireless power bank system providing supplemental power for an electronic device includes: a power bank with a battery, a charge surface for wireless magnetic induction coupling, a power bank electromechanical connector and a means for coupling with the electronic device, aligned for power transfer via wireless magnetic induction coupling; and a desk stand comprising: a power bank socket configured to receive the power bank, the power bank socket including a stand electromechanical connector aligned to mate with the power bank electromechanical connector upon insertion of the power bank into the power bank socket; and an electronic device cradle configured to receive the electronic device; the power bank socket and the electronic device cradle aligned to receive the power bank and the electronic device either separately or while the power bank is coupled to the electronic device via the attachment means. A corresponding vehicle mount may also be included.

Abstract: A method of measuring a critical dimension comprises determining matrix information on a hypothesized parameter distribution on the critical dimension; obtaining a measurement spectrum for each wavelength of a light reflected from the three-dimensional structure; sampling a first candidate parameter vector for determining a numerical simulation spectrum that approximates the measurement spectrum; linearly transforming the first candidate parameter vector by using the matrix information; determining a first candidate parameter which minimizes a difference between the measurement spectrum and the numerical simulation spectrum within the linearly transformed first candidate parameter vector; determining a second candidate parameter vector derived from the first candidate parameter and having the hypothesized parameter distribution by using a heuristic algorithm; determining a second candidate parameter that minimizes a difference between the measurement spectrum and the numerical simulation spectrum within the s

Abstract: To provide a frame control apparatus for controlling communication frames of a power feeding system, provided is a frame control apparatus that controls communication frames of a wireless power feeding system, the frame control apparatus including a reference clock generating section that generates a predetermined reference clock signal; a demodulating section that operates according to the reference clock signal and demodulates a synchronization command for synchronizing the communication frames; a rate calculating section that counts pieces of rate reference data having a predetermined length and included in the synchronization command, based on the reference clock signal, to calculate a rate reference value used for reference; and a frame control section that controls the communication frames based on the rate reference value.

Abstract: A wireless charging system is provided. The wireless charging system includes: a wireless charging device and a wireless powered device. The wireless charging device includes a light emitter configured to emit infrared light. The wireless powered device includes a surface with a light receiver disposed thereon, where the light receiver is configured to receive the infrared light emitted from the light emitter. The light receiver is further configured to convert light energy of the received infrared light into electrical energy and supply the electrical energy to power the wireless powered device.

Abstract: A wireless charger includes a housing with a circumferential outer edge; the outer edge including an annular groove with opposing first wall and second wall; and a cable having a first end operably secured inside the housing and an opposite second end having a connector for connecting to a power source. The cable is removably wound inside the groove; and a sleeve is slidably attached around the cable. The sleeve is disposed between the first end and the opposite second end. The sleeve is slidable along the length of the cable, and the sleeve being frictionally removably attached between the first wall and the second wall.

Abstract: A battery protection system includes a sensor, a primary protection circuit, coupled to the sensor, and a secondary protection circuit, coupled to the primary protection circuit and the sensor. The sensor is configured to generate a sense signal indicative of temperature in a battery pack when the sensor is activated. The primary protection circuit is configured to generate a synchronizing signal in a first state or a second state, sample the sense signal when the synchronizing signal is in the first state, and provide primary protection to the battery pack based on the sense signal. A secondary protection circuit is configured to be controlled by the synchronizing signal, sample the sense signal when the synchronizing signal is in the second state, and provide secondary protection to the battery pack based on the sense signal.

Abstract: This disclosure relates generally to relates to the field of estimation of remaining useful life (RUL) in lithium based batteries, and, more particularly, to estimation of remaining useful life in lithium based batteries based on coupled estimation of a state of charge (SOC) and a state of health (SOH) during charging/discharging in constant current (CC) and constant voltage (CV) modes. The disclosed RUL estimation technique considers the inter-dependency of SOC-SOH and influence of internal-external parameters/factors during the coupled estimation of SOC-SOH. The coupled estimation of SOC and SOH is based on a reduced order physics based modelling technique and considers the influence real time environment obtained using real-time dynamic data obtained by several sensors during the coupled estimation of SOC-SOH.

Abstract: According to a first aspect of the present disclosed subject matter, a system for managing inductive charging of at least one device, the system comprising: at least one venue comprising: a plurality of charging spots each of which comprises a dedicated Bluetooth low energy (BLE) transceiver designed to enable communication between charging spots of the plurality of charging spots, wherein at least one charging spot of the plurality of charging spots is capable of being configured as a relay; at least one gateway comprising a BLE transceiver; wherein the gateway is capable of communicating, by its BLE transceiver, with each charging spot either directly or indirectly via the relay; and a cloud computing server configured to provide services to the at least one venue; and wherein the CCS is connected with at least one venue via the Internet.

Abstract: The disclosure concerns a battery charging enclosure which includes an outer shell and lid portion each covered by a fire protective insulation layer forming an internal volume of the enclosure, wherein a battery is housed within the internal volume, and various safety features for preventing catastrophic charging-related events are implemented. Certain safety features include, disabling air-flow through the internal volume upon detection of smoke, fire, lid-opening event, or a change of orientation of the enclosure. Other features and aspects concerning the battery charging enclosure are further described herein.