Abstract: The invention relates to an interference suppressor for a direct current circuit, a vehicle component, a high-voltage intermediate circuit and a vehicle. The interference suppressor for a direct current circuit, which comprises two conductors, is characterized in that the interference suppressor comprises a first connection for connecting the interference suppressor to a first conductor of the direct current circuit; a second connection for connecting the interference suppressor to a second conductor of the direct current circuit; a sensor, wherein the sensor can be coupled in noncontact manner to the direct current circuit and is designed to detect the passing of a predetermined limit value of a superimposed alternating voltage in the first conductor of the direct current circuit; and is designed, by impressing a current in the first connection, to reduce the alternating voltage in the first conductor of the direct current circuit substantially to the predetermined limit value.

Abstract: A battery power management system for vehicles and vessels requiring switching devices to disconnect mounted batteries from unit loads utilizing rules based logic. The battery power management system controls the switching devices to prevent over-discharging and over-charging of the batteries and to prevent excessive current drain. The battery power management system utilizes various timing parameters to coordinate connection and disconnection attempts and provides status information regarding the current state of protection of the batteries.

Abstract: An energy delivery system that combines multiple energy storage sources/systems of different chemical compositions or physical construction with a common control system that is configured to output energy from the system as a function of the different performance characteristics of each system, and is therefore capable of optimizing various operational characteristics of the combined system. The control system is configured to utilize a separate variable impedance network for each energy storage system to adjust the relative output current or discharge rate of each energy storage system, such as to optimize cycle life, depth of discharge, temperature, delivered power, and/or perceived safety of each energy storage system.

Abstract: A mechano-electrical integrated power conversion device includes power drive unit and voltage converter that are housed within a single housing box and formed as a module. The box includes box body, upper lid member, and side lid member. The box body includes: a box body main portion disposed above a casing of an electric motor; and a box body remainder portion connected integrally to a side wall of the box body main portion and extending downwardly to a side of the casing. The upper lid member is mounted on the box body main portion, a first housing chamber being defined therebetween and housing the power drive unit. The side lid member is mounted on a side open end part of the box body remainder portion, a second housing chamber being defined between the box body remainder portion and the side lid member and housing the voltage converter.

Abstract: There is provided a method for controlling a wireless power supply system including a wireless power transmitting device and a wireless power receiving device. The method includes: transmitting predetermined first information by non-encryption communication from a first device, which is one of the wireless power receiving device and the wireless power transmitting device, to a second device, which is the other of the wireless power receiving device and the wireless power transmitting device; transmitting the first information by encryption communication from the first device to the second device; and prohibiting, in the second device, a specific power supply mode when the first information received by the non-encryption communication does not match the first information received by the encryption communication.

Abstract: An in-vehicle network system includes a power supply, an upper electronic control unit (ECU), an intermediate ECU configured to communicate with the upper ECU, and a plurality of lower ECUs configured to communicate with the intermediate ECU. The intermediate ECU is configured to receive power supplied from the power supply, and maintain the lower ECUs in a power-off state until the intermediate ECU receives a message from the upper ECU and supply the power supplied from the power supply to the lower ECUs in response to the message transmitted from the upper ECU. The lower ECUs are configured to transition, when the power is supplied from the power supply, from the power-off state to a standby state to wait for an instruction.

Abstract: In one aspect, an apparatus is described that includes a transparent pane having a first surface and a second surface. An electrochromic device is arranged over the second surface that includes a first conductive layer adjacent the second surface, a second conductive layer, and an electrochromic layer between the first and the second conductive layers. The apparatus further includes at least one conductive antenna structure arranged over the second surface.

Abstract: In some embodiments, a communications device is provided that includes a normal internal energy storage configured to supply energy to the communications device during normal operations, and a backup internal energy storage configured to supply energy to the communications device during emergency operations. The communications device is configured to, in response to detecting that a state of charge of the normal internal energy storage has reached a predetermined level, switch from the normal operations mode to the emergency operations mode and switch from consuming power from the normal internal energy storage to consuming power from the backup internal energy storage.

Abstract: The present disclosure provides energy control systems for whole home and partial home backup with integrated breaker spaces and metering. The energy control system includes a grid interconnection electrically coupled to a utility grid, a backup power interconnection electrically coupled to a backup power source, a backup load interconnection electrically coupled to at least one backup load, and a non-backup load interconnection electrically coupled to at least one non-backup load. The energy control system includes a microgrid interconnection device that switches between an on-grid mode to electrically connect the grid interconnection and the backup power interconnection with the backup and non-backup load interconnections and a backup mode to electrically disconnect the grid interconnection and the non-backup load interconnection from the backup power interconnection.

Abstract: A vehicle includes a battery pack including a secondary battery and a first control device, a second control device provided separately from the battery pack, and a converter. The converter is configured to select a conversion formula from options depending on a situation and use the selected conversion formula to convert at least one of a first current upper limit value and a second current upper limit value into at least one of a first power upper limit value and a second power upper limit value.

Abstract: A system for powering vehicles is disclosed includes a roadway having of a pair of road-based conductors that move vertically with respect to the roadway from a lowered position to a raised position or vice versa. A voltage is selectively delivered across the pair of road-based conductors. A first tire of the vehicle has a first conductive surface that is in electrical contact with a first road-based conductor and a second tire of the vehicle has a second conductive surface is in electrical contact with a second road-based conductor when the pair of road-based conductors in the raised position and the voltage is conducted into the vehicle through the first conductive surface and the second conductive surface. A power system of the vehicle receives the voltage from the first conductive surface and the second conductive surface and provides power to run or charge the vehicle.

Abstract: A method of detecting a foreign object presence between a wireless power transmitter and a wireless power receiver, the wireless power transmitter comprising a primary coil for transferring power wirelessly to a secondary coil of the wireless power receiver, comprises: transmitting a calibration ping signal; measuring and recording decay time of the calibration ping signal; transmitting test ping signal; measuring and recording decay time of the test ping signal; and determining the foreign object presence if the decay time of the test ping signal is smaller than decay time of the calibration ping signal and if an absolute value of a difference between them is above a threshold.

Abstract: An on-line uninterruptible power system and an operation method thereof are provided. The on-line uninterruptible power system comprises a first switch unit, a second switch unit, a charging circuit, a DC-AC conversion circuit, a power factor correction circuit and a control circuit. When the on-line uninterruptible power system is in a line mode, the control circuit controls the operation of the power factor correction circuit to limit the magnitude of its input current to not exceed a first predetermined value.

Abstract: System and methods are described herein for providing wireless power to a target device, such as a laptop computer, a mobile phone, a vehicle, robot, or an unmanned aerial vehicle or system (UAV) or (UAS). A tunable multi-element transmitter may transmit electromagnetic radiation (EMR) to the target device using any of a wide variety of frequency bands. A location determination subsystem and/or range determination subsystem may determine a relative location, orientation, and/or rotation of the target device. For a target device within a distance range for which a smallest achievable waist of the Gaussian beam of the EMR at an operational frequency is smaller than the multi-element EMR receiver of the target device, a non-Gaussian beamform may be determined to increase efficiency, decrease overheating, reduce spillover, increase total power output of rectenna receivers on the target device, or achieve another target power delivery goal.

Abstract: Capacitive wireless power transfer systems are provided. In one embodiment, for example, the system comprises two pair of coupled conducting plates; a first matching network coupled to the first pair of conducting plates; and a second matching network coupled to the second pair of conducting plates. At least one of the first and second matching networks comprises an inductor having inductance value selected based on at least one parasitic capacitance value of the capacitive wireless power transfer system. In another embodiment, a method of designing a capacitive wireless power transfer system is provided comprising determining a parasitic capacitance value of a capacitive wireless power transfer system and determining an inductance value of an inductor of at least one of the first and second matching network having a value selected based on at least one parasitic capacitance value of the capacitive wireless power transfer system.

Abstract: Disclosed herein is a receiver device for facilitating wireless energy reception. Accordingly, the receiver device comprises a receiver transceiver configured for receiving energy wirelessly from a transmitter device. Further, the receiver enclosure of the receiver transceiver may include a metamaterial. Further, the energy comprises terahertz electromagnetic wave energy. Further, the receiver enclosure is configured for storing the terahertz electromagnetic wave energy based on the receiving and converting the terahertz electromagnetic wave energy into electrical energy. Further, the receiver enclosure comprises a receiver antenna configured for facilitating the receiving. Further, the receiver transceiver is configured for transmitting a registration request to the transmitter device.

Abstract: A backup system for a power supply unit providing power to a load via a distribution bus includes a power source, a network of switching elements coupled between an output terminal of the power source and the distribution bus, diodes coupled in parallel with the switching elements, and a controller configured to selectively activate or deactivate each of the switching elements to enable the power source to power the load via the distribution bus. The switching elements may be transistors, and the diodes may be parasitic body diodes of the transistors. The power source may be a battery, such as a rechargeable battery. An output voltage level from the battery may be regulated by the controller as a function of a number of the activated or deactivated transistors.

Abstract: Isolators for high frequency signals transmitted between two circuits configured to operate at different voltage domains are provided. The isolators may include resonators capable of operating at high frequencies with high transfer efficiency, high isolation rating, and a small substrate footprint. In some embodiments, the isolators may operate at a frequency not less than 20 GHz, not less than 30 GHz, not less than 65 GHz, or between 20 GHz and 100 GHz, including any value or range of values within such range. The isolators may include inductive loops with slits and capacitors integrally formed at the slits. The sizes and shapes of the inductive loops and capacitors may be configured to control the values of equivalent inductances and capacitances of the isolators. The isolators are compatible to different fabrication processes including, for example, micro-fabrication and PCB manufacture processes.

Abstract: A system and method for distributing power to racing aircraft systems is provided. The system includes a race course, a in power transmitter directed towards a power delivery section of the race course, the power transmitter configured to remotely transmit power to the aircraft systems at the power delivery section, and a controller operatively coupled to the power transmitter to activate, direct and deactivate the power transmitter. The method includes detecting, at the controller, a trigger condition for activating the power transmitter; responsive to detecting the trigger condition, activating the power transmitter; and transmitting the power to the aircraft systems.

Abstract: An energy dynamic control method for the EPS with hybrid power supply and an energy dynamic control system. Control system collects real-time current of vehicle electric appliances except the steering motor and the super-capacitor and calculates target current of the steering motor according to real-time steering torque and vehicle speed, and determines state of the super-capacitor by comparing rated current of vehicle power supply and sum of the current of vehicle electric appliances and target current of the steering motor. When super-capacitor is in the charging state, charging current is dynamically regulated to make vehicle power supply work in optimal working range, and maximum charging current is limited based on SOC of the super-capacitor. When super-capacitor is in discharging state, discharging current is dynamically regulated to make vehicle power supply work in optimal working range, and maximum discharging current is limited based on SOC of super-capacitor.