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Patent # Description
2017/0279394 MOTOR CONTROL APPARATUS AND ELECTRIC POWER STEERING APPARATUS USING THE SAME
A motor control apparatus that calculates duty command values of respective phases for controlling currents of a motor by means of a control calculation, forms...
2017/0279393 INVERTER CONTROLLER AND ON-VEHICLE FLUID MACHINE
An inverter controller is used to control an inverter circuit that drives an electric motor including a rotor and a stator. The inverter controller includes a...
2017/0279392 VARIABLE MAGNETIZATION MACHINE CONTROLLER
A variable magnetization machine control system comprising a controller configured to generate a reversely rotating d-axis/q-axis current vector trajectory...
2017/0279391 CONTROL ARRANGEMENT OF A MULTI-STATOR MACHINE
A control arrangement of a multiple-stator machine, comprising a frequency converter for each of the plurality of stators and a controller for each frequency...
2017/0279390 PHASE VOLTAGE DETECTION CIRCUIT AND POWER GENERATION CONTROL DEVICE
An object of this invention is to obtain a phase voltage detection circuit that can detect a phase voltage signal reliably even when a leak current flows...
2017/0279389 SUPPORT STRUCTURE ADJUSTMENT
According to one example there is provided a method of adjusting a support structure. The method comprises obtaining a reference orientation of the support...
2017/0279388 DC MOTOR CONTROL DEVICE AND GAME MACHINE
A DC motor control device includes a communication circuit configured to receive a control command specifying a target rotation amount for a DC motor, a sensor...
2017/0279387 Motor Driving Controller
A motor driving controller comprising a motor driver applying voltage to each phase of a motor and driving the motor, a rotary position detection circuit...
2017/0279386 ROTARY ELECTRICAL MACHINE SYSTEM, DRIVE UNIT FOR ROTARY ELECTRICAL MACHINE, METHOD FOR DRIVING ROTARY...
According to one embodiment, a control device detects a field current in a rotary electrical machine, estimates a rate of rotation of a rotor of the machine...
2017/0279385 Power Module, Power Module Group, Power Output Stage, and Drive System Comprising a Power Output Stage
The present disclosure relates to electric motors. The teachings thereof may be embodied in a power module, e.g., a power module for the delivery of a phase...
2017/0279384 MOTOR CONTROL SYSTEM AND METHOD
A motor control interface system, comprising an interface communication module configured to connect to a wired control port of a rotating electronically...
2017/0279383 INVERTER CONTROL DEVICE AND INVERTER CONTROL METHOD
An inverter control device that controls a multiple of inverters configured to use the same positive and negative direct current voltage bus lines connected to...
2017/0279382 ELECTRIC MOTOR SYSTEM AND METHOD FOR RELEASING BRAKE
An electric motor system includes an electric motor, an electric brake, a power line, and a driver. The electric brake is integrated with the electric motor...
2017/0279381 Vortex Flux Generator
Various implementations of the invention correspond to an improved vortex flux generator. In some implementations of the invention, the improved vortex flux...
2017/0279380 METHOD OF DRIVING VIBRATION ACTUATOR, DRIVE DEVICE, AND IMAGE PICKUP APPARATUS
A drive device for a vibration actuator, which makes it possible to perform low-speed and stable driving and expand a dynamic range of driving speed. A first...
2017/0279379 VIBRATION-TYPE DRIVING APPARATUS
A vibration-type driving apparatus includes a vibrator holder, wherein a plurality of vibrators each having at least an electro-mechanical energy conversion...
2017/0279378 PIEZOELECTRIC ACTUATOR, PIEZOELECTRIC MOTOR, ROBOT, HAND, AND PUMP
A piezoelectric actuator includes a plurality of piezoelectric elements that generate a driving force to be transmitted to a driven portion; and a power supply...
2017/0279377 MOTOR DRIVE APPARATUS AND AIR CONDITIONER
A motor drive apparatus driving a motor as a three-phase motor converting direct current into three-phase alternating current, includes: inverter modules and...
2017/0279376 GRID-TIE INVERTER WITH ACTIVE POWER FACTOR CORRECTION
A grid-tie inverter (the "inverter") may include a power converter that receives a direct current (DC) output voltage from a DC input power source, and...
2017/0279375 SOFT SWITCHING TECHNIQUE FOR A GRID-TIED INVERTER
A method, system, and computer-readable medium facilitate a soft switching technique for operating an inverter. In a full bridge inverter, a one of first set...
2017/0279374 INVERTER AND CONTROL METHOD FOR AN INVERTER
The disclosure relates to an inverter for supplying a power provided as a DC voltage at a DC input to an AC mains connectable to an AC output. In this case,...
2017/0279373 METHOD FOR OPERATING AN ELECTRICAL NETWORK
Method for operating an electrical network including a first subnetwork and a second subnetwork which are connected to one another via a transformer and are...
2017/0279372 POWER CONVERTER
A discharge duty that is a duty at which a switch is conductive takes a value obtained by dividing a product of a crest value of a single-phase AC voltage and...
2017/0279371 POWER CONVERSION DEVICE AND VEHICLE DRIVE SYSTEM
To include a carrier-wave generation unit to generate a first carrier wave with a frequency higher than a modulation wave, and a second carrier wave with a...
2017/0279370 SPACE VECTOR MODULATION FOR MATRIX CONVERTER AND CURRENT SOURCE CONVERTER
A converter includes a transformer including primary windings and secondary windings, switches connected to the primary windings, an output inductor connected...
2017/0279369 POWER TRANSFORMER
A transformer system includes: a main transformer including a primary winding coupled to AC mains and a secondary winding; a load circuit including a load...
2017/0279368 MULTI-USE DRIVER CIRCUITS
In some implementations, a device that powers a load includes a first terminal to couple with an alternating current (AC) power source, a second terminal to...
2017/0279367 High-Power Single-Stage LED Driver with Bipolar Ripple Cancellation
Provided are circuits and methods for a power converter that converts AC input power into DC output power using a first output circuit that provides a first...
2017/0279366 POWER MODULE
A power module includes an inverter circuit and a pair of conductors that sandwich the inverter circuit. The inverter circuit includes a positive bus bar, a...
2017/0279365 CONTROLLING A LOAD COMMUTATED CONVERTER DURING UNDERVOLTAGE
A load commutated converter interconnects an AC power grid with an AC load and comprises a grid-side converter, a DC link and a load-side converter. A method...
2017/0279364 REGENERATION CIRCULATOR, HIGH-FREQUENCY POWER SUPPLY DEVICE, AND HIGH-FREQUENCY POWER REGENERATION METHOD
An excessive voltage rise of load voltage, caused by an impedance mismatching on a transmission path, is prevented, and high-frequency power is regenerated. A...
2017/0279363 INSULATED SYNCHRONOUS RECTIFICATION DC/DC CONVERTER
An insulated synchronous rectification DC/DC converter is provided. A feedback circuit drives a light-emitting element of a first photocoupler such that the...
2017/0279362 SYSTEMS AND METHODS FOR VOLTAGE REGULATION OF PRIMARY SIDE REGULATED POWER CONVERSION SYSTEMS WITH COMPENSATION...
Systems and methods are provided for voltage regulation of power conversion systems. An example system controller includes: a first sampling component...
2017/0279361 RESONANT DC TO DC POWER CONVERTER
A direct current (DC) to DC power converter includes a first converter for converting a first DC bus voltage into a first high frequency AC voltage and a...
2017/0279360 CONTROL BOARD OF POWER CONVERSION DEVICE
A control board of a power conversion device, the control board includes a board main body, a plurality of drive circuits, a power source control circuit, an...
2017/0279359 NON-INVERTING BUCK-BOOST (BOB) AUTOMATIC PASS-THROUGH MODE
An apparatus improves efficiency of a non-inverting buck-or-boost regulator by reducing an amount of switching of the buck-or-boost regulator. A high side buck...
2017/0279358 VOLTAGE REGULATOR
To provide a voltage regulator which is capable of testing a phase compensation capacitor without impairing stability as a regulator and prevents a chip area...
2017/0279357 CURRENT DETECTION CIRCUIT AND DCDC CONVERTER INCLUDING THE SAME
According to an embodiment, a current detection circuit includes a transistor, an operational amplifier, and a transistor. In the transistor, the source and...
2017/0279356 DC/DC CONVERTER
A DC/DC converter in which a both-end voltage of each of capacitors can be safely uniformalized while an over current, which is passed through between the...
2017/0279355 VARIABLE FREQUENCY SOFT-SWITCHING CONTROL OF A BUCK CONVERTER
A system and method are provided for controlling a modified buck converter circuit. A pull-up switching mechanism that is coupled to an upstream terminal of an...
2017/0279354 Hybrid Capacitive-Inductive Voltage Converter
An inverting buck voltage converter constructed of a switched-mode hybrid topology, with a capacitive input stage and an inductive output stage. The input...
2017/0279352 DUTY CYCLE ESTIMATOR
A duty cycle estimation circuit includes a latch circuit that receives a clock signal for a voltage regulator. The latch circuit outputs a duty cycle estimate....
2017/0279351 STABILIZED NON-INDUCTIVE VOLTAGE BOOST CONVERTER OPERATING AT MOS SUB-THRESHOLD VOLTAGE FROM ANALAGOUS...
Disclosed herein is a non-Inductive voltage boost-converter (NVBC) for micro-power energy harvesting systems for energy storage and delivery applications....
2017/0279350 FREQUENCY MODULATION BASED VOLTAGE CONTROLLER CONFIGURATION
A voltage converter can be switched among two or more modes to produce an output voltage tracking a reference voltage that can be of an intermediate level...
2017/0279349 HIGH EFFICIENCY CHARGE PUMP WITH AUXILIARY INPUT OPERATIVE TO OPTIMIZE CONVERSION RATIO
Switched capacitor circuit architectures that may enable high efficiency step-up or step-down dc-dc conversion from a primary, fixed supply input voltage using...
2017/0279348 BI-DIRECTIONAL MULTI-MODE CHARGE PUMP
Some embodiments include apparatus and methods using a charge pump coupled to a first supply power node and a second supply power node. The charge pump is...
2017/0279347 CHARGE PUMP EFFECT COMPENSATION FOR HIGH FREQUENCY ISOLATION TRANSFORMER IN LIGHTING DEVICE POWER SUPPLIES
An apparatus (400A, 400B, 400C, 400D, 500A, 500B, 800) supplies power to an output thereof. The apparatus includes: an isolation transformer (110) and a...
2017/0279346 SNUBBER CIRCUIT
The present disclosure provides a snubber circuit, wherein the snubber circuit is used to an electronic equipment including a pulse signal generator, a driving...
2017/0279345 ACTIVE COMMON MODE CANCELLATION
In some examples, a circuit is configured to generate a first signal based at least in part on an input signal, wherein the first signal comprises a common...
2017/0279344 CONTROLLING MODULE, SWITCH-MODE POWER SUPPLY APPARATUS, AND PEAK CURRENT MODE CONTROLLING METHOD OF A...
A controlling module includes a current-command generating unit for generating reference current signal based on an output voltage of a power conversion...
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