Abstract: An integration device (1) includes a control module (10), a body (2) and a plurality of function modules (3). The control module (10) is arranged in the body (2) and includes a wireless transmission unit (11) and an MCU (12). The body (2) is a 3D object constituted by several faces, each face is formed thereon an assembling slot (21) that has a size and shape corresponding to that of the function modules (3), and each assembling slot (21) is respectively arranged with one connecting port (22) electrically connected with the control module (10). Each of the function modules (3) is respectively arranged onto one of the assembling slots (21) for communicating with the control module (10) through the connecting port (22). The integration device (1) is for the function modules (3) to be assembled together and connect with IoT apparatuses through the control of the control module (10).

Abstract: An apparatus includes a first inverter circuit and a second inverter circuit. The first invertor circuit is configured to couple an alternator and a load device to deliver a driving signal from the alternator to the load device. The second invertor circuit is configured to couple the alternator to the load device to deliver a driving signal from the alternator to the load device and configured to couple a battery to the alternator to deliver a charging signal from the alternator the battery.

Abstract: A multilevel converter includes a power supply assembly with a plurality of phases, and a power cell assembly with first power cells and second power cells. The first power cells and second power cells have a same topology and a same current rating, and supply power to the plurality of phases of the power supply assembly. Each phase of the plurality of phases includes a first power cell and a second power cell of the power cell assembly, voltage ratings of the first power cells and the second power cells being different. Furthermore, a method for controlling a multilevel converter and an electric drive system comprising a multilevel converter are disclosed.

Abstract: A method for designing cascaded multi-level inverters with minimization of large-scale voltage distortion, based on KKT (Karush-Kuhn-Tucker) conditions and with simplified computation of conduction angles, simplifies the computation process, and is conducive to on-line calculation. Meanwhile, its fundamental voltage is adaptive, minimization of total harmonic is realized for cascaded multi-level inverters at high-voltage, and voltage power quality at grid connected nodes is improved.

Abstract: A bidirectional power converter that can be used in an electric vehicle to perform AC to DC power conversion to charge the electric vehicle's battery and to perform DC to AC power conversion to export power to run external electrical loads is described. The bidirectional power converter may include an AC interface coupled to a cyclo-inverter circuit, and a DC interface coupled to a H-bridge circuit. The cyclo-inverter can be electrically coupled to the H-bridge circuit through a transformer. The bidirectional power converter may include a neutral terminal on the AC interface that is coupled to the transformer through a filtering inductor.

Abstract: A method for controlling a portable power system, comprising: using a processor, selecting an engine efficiency range for an engine of a generator set of the portable power system, the engine efficiency range corresponding to a power output range of the generator set and to a power demand range of a load coupled to the portable power system; while a power demand of the load is less than a power output of the generator set, storing excess energy from the generator set in a battery bank of the portable power system; while the power demand of the load is greater than the power output of the generator set, providing additional power to the load from the battery bank; when a first predetermined depth of discharge threshold is reached by the battery bank, increasing the power output of the generator set to allow the battery bank to recharge; and, when a predetermined state of charge threshold is reached by the battery bank, ceasing the power output of the generator set and providing power to the load from the batte

Abstract: A method for controlling a portable power system, comprising: using a processor, selecting an engine efficiency range for a engine of a generator set of the portable power system, the engine efficiency range corresponding to a power output range of the generator set and to a power demand of a load coupled to the portable power system; when the power demand of the load is less than the power output of the generator set, storing excess power from the generator set in a first battery bank of the portable power system; when the power demand of the load is greater than the power output of the generator set, providing additional power to the load from a second battery bank of the portable power system; and, when at least one of a predetermined depth of discharge threshold is reached by the second battery bank and a predetermined state of charge threshold is reached by the first battery bank, switching between the second battery bank and the first battery bank.

Abstract: A method for controlling an electronic circuit, characterised in that it comprises a step of feedback control of a current voltage-frequency operating point relative to a reference curve of a voltage-frequency domain of operation associated with the circuit, to bring the circuit from a first operating point to a second operating point, said reference curve linking said first and second operating points in an optimal trajectory relative to a boundary of said domain

Abstract: Embodiments of the present invention are directed to an apparatus and system for a target game used in conjunction with a toilet or urinal, wherein a target body is positioned within the toilet basin. The target game comprises a target body and coupling members, wherein the target body is divided into sections. The coupling members secure the target body to the toilet basin and include a securing member and an attachment member, wherein the securing member is any device that is capable of attaching to the toilet and wherein the attachment member couples the securing member to the target body. Other embodiments of the apparatus and system include image projection systems to create the target.

Abstract: A control circuit having frequency hopping capability is used for reducing the EMI of a power supply. A switching circuit is coupled to a feedback circuit to generate a switching signal for regulating an output of the power supply. A first oscillator determines the switching frequency of the switching signal. A second oscillator is coupled to the first oscillator to modulate the switching frequency of the switching signal for reducing the EMI of the power supply. An output of the second oscillator controls the attenuation rate of the feedback signal of the feedback circuit. Therefore, even if the switching frequency is hopped, the output power and the output voltage can still be kept constant.

Abstract: A circuit and method for detecting an operating transition of a mechanical apparatus driven by a hydraulic prime mover comprising a hydraulic pump driven by an electric motor, the operating transition causing a change in the force applied by the mechanical apparatus on the prime mover. A motor current sensing circuit is connected in a motor power supply circuit to provide a motor current signal representing motor current. A bandpass filter receives the motor current signal and provides a filtered motor current signal consisting essentially of motor current signal components in the frequency range from a lower frequency boundary greater than zero Hz to an upper frequency boundary below substantially all the motor noise frequencies. A comparison circuit compares the filtered motor current signal to a first selected threshold level and outputs a signal representing the occurrence of the operating transition when the filtered motor current signal exceeds the selected threshold level.

Abstract: An anchor rack having a coupling pawl has a plurality of slots on the coupling pawl and a conical outer surface. A sleeve and an elastic element are provided to be coupled with the coupling pawl to form interactions with one another. The coupling pawl has an opening which can be extended or shrunk. Hence a housing space formed in the coupling pawl also can be extended or shrunk. Thereby a tight coupling with a holding rack can be easily formed.

Abstract: A safety controller of building block type has an array of a plurality of IO units each including IO circuits and a single IO unifying unit connectable to these IO units. The IO unifying unit has an IO power-receiving terminal for receiving power from an external IO power source and an IO power distributing terminal for distributing the received power to the array of IO units after passing inside the IO unifying unit. The array of IO units includes distribution mains extending along the array and having a starting end connected to the IO power distributing terminal and distribution branch lines for supplying power to each of the IO circuits inside the IO units. An IO power shutoff circuit is provided to the IO unifying unit on upstream side of the IO power distributing terminal and to each of the distribution branch lines in each of the IO units.

Abstract: A power delivery system and a method for setting the parameters of the power delivery system. The effective resistance of the capacitors for each stage may be set to be substantially equal to the effective resistance of the previous stage, and the time capacitive constant of the capacitors may be set to be substantially equal to the effective inductive time constant of the previous stage.

Abstract: The present invention allows users to open and join a chat by means of a simple procedure from a video game machine, the present invention includes creating an opening message for opening an electronic conference and creating an opening request signal for setting an area in a database, based on the opening message. Also included is transmitting the opening request signal to the database and creating an invitation message prompting particular users to join the electronic conference, based on the opening message. Finally, the present invention further includes transmitting the invitation signal to the particular users.

Abstract: An electro-mechanical energy conversion system coupled between an energy source and an energy load comprising an energy converter device including a permanent magnet induction machine coupled between the energy source and the energy load to convert the energy from the energy source and to transfer the converted energy to the energy load and an energy transfer multiplexer to control the flow of power or energy through the permanent magnetic induction machine.

Abstract: A method and apparatus are disclosed for disconnecting an electrical generator from the domestic single phase electricity supply if one or more of a number of monitored parameters of the domestic electricity supply goes out of a predetermined ragne. The parameters of the domestic electricity supply that are monitored are voltage, frequency and rate of change of frequency.

Abstract: An apparatus for electrically stimulating a smart material includes a controllable power source for charging the smart material and/or switching circuitry for discharging the smart material. The controllable power source includes a regulated DC to DC converter having controllable drive circuitry associated therewith. The drive circuitry can be self-oscillating through associated feedback means. The switching circuitry can be responsive to one or more control signals.

Abstract: Embodiments of the present invention are directed to an apparatus and system for a target game used in conjunction with a toilet or urinal, wherein a target body is positioned within the toilet basin. The target game comprises a target body and coupling members, wherein the target body is divided into sections. The coupling members secure the target body to the toilet basin and include a securing member and an attachment member, wherein the securing member is any device that is capable of attaching to the toilet and wherein the attachment member couples the securing member to the target body. Other embodiments of the apparatus and system include image projection systems to create the target.

Abstract: A method and apparatus are disclosed for distributing power in a media converter system. The method involves converting an input voltage to an intermediate voltage and transmitting the intermediate voltage to a downstream converter. The downstream converter converts the intermediate voltage to a usable output voltage that is supplied to the media converter ports. The apparatus includes a main power supply for creating the intermediate voltage and downstream converters located remotely from the main power supply for converting the intermediate voltage to the usable output voltage. Transmission cables are also included for providing the intermediate voltage to the downstream converters. The apparatus may also include a bus with connections for the power supply and a power distribution module. The power supply and power distribution module utilize identical connections thereby providing flexibility in positioning the power supply and distribution module in a chassis.

Abstract: Low-frequency AC power in a range of about from 50 to 200 Hz flows through a cableway, providing 5 to 100 watts per meter of cableway. Through separate connections to a power bus, a cableway is electrically divided into branches of a parallel circuit that use low voltage to heat. A transformer connected to each branch transforms high-voltage low amperage current to low-voltage high amperage current.

Abstract: A power generation system is described for supplying electrical power to a load from at least one of a generator and a battery. The power generation system includes a power bus coupled to the generator and a bi-directional conversion unit coupled between the power bus and the battery. The bi-directional conversion unit is capable of transitioning between a first direction wherein electrical power flows from the power bus to the battery and a second direction wherein electrical power flows from the battery to the power bus.

Abstract: A power switching apparatus includes a positive-sequence fundamental signal magnitude detector. The positive-sequence fundamental signal magnitude detector derives a positive-sequence fundamental signal from a three-phase voltage signal carried by a power line; it also generates a switch firing command when the positive-sequence fundamental signal exceeds a predetermined threshold value indicative of a fault condition on the power line. The power switching apparatus also includes a solid state switch connected to the power line and the positive-sequence fundamental signal magnitude detector. The solid state switch bloch power on the power line in response to the switch firing command.

Abstract: An electrical generation system and method for switching a plurality of isolated circuits between a generator and an electrical source. A current signal of each isolated circuit is sensed and the current signal is emitted to a computer. A generator output signal is sensed and emitted to the computer. An available power signal of the electrical source is sensed and also emitted to the computer. The computer or a microprocessor computes, as a function of the sensed load signals, a sensed generator output signal, and the sensed available power signal, whether each solid state load switch should be individually switched to connect each corresponding isolated circuit to either the generator or the electrical source. The computer or microprocessor then emits a switching signal to each solid state load switch for electrically connecting each corresponding isolated circuit to either the generator or the electrical source.