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WO/2018/061546A1 |
The present invention is a control device for a power converter with which a ripple component in direct-current voltage can be suppressed. The power converter converts a direct-current voltage (Vdc) containing a ripple component (Vdch) i...
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WO/2018/060337A1 |
A circuit arrangement (10) for controlling a stator winding (11) of a stator (12) of an electrical machine (13) is specified. The stator winding (11) has at least four electrical phases (In) which are designed to each be fed with a separ...
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WO/2018/056435A1 |
Provided are an electric motor device and an electric brake device that realize a reduction in cost and that enable a motor angle to be stably and accurately estimated. A stator (4a) of an electric motor (4) has first and second excitati...
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WO/2018/050458A1 |
It is described a control arrangement (360) for controlling an electrical machine (111, 211), comprising: a fundamental current controller (371), at least one harmonic flux controller (373a, 373b) related to a (nth or mth) harmonic (n, m...
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WO/2018/050653A1 |
The invention relates to a method for inverting a direct current in order to generate at least two pulse width-modulated voltage signals, each of which is a multiphase voltage signal, in a vehicle electrical system. A target degree of mo...
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WO/2018/047514A1 |
The purpose of the present invention is to provide a rotary electric machine such that maximum torque and rated power factor can be improved while an increase in starting current is suppressed. To this end, provided is a rotary electric ...
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WO/2018/047216A1 |
Stored in a storage device (44) is a map of stable stop positions for maintaining a stopped state for which a mounting head (14) is stable when the servo is off in a Y axis linear servo motor (27). A control device of a component mounter...
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WO/2018/042657A1 |
This electric power steering apparatus is provided with two sets of independent armature winding wires and independent control units, wherein: a single power supply connector is divided, at a point near a power supply terminal, into at l...
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WO/2018/042920A1 |
In order to stably operate a car in the absence of magnetic pole position signals from a magnetic pole position sensor, this elevator system comprises: a synchronous motor which drives the car; a brake; and a drive control device for the...
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WO/2018/043502A1 |
This inverter control device according to one embodiment generates a current amplitude command so that the output torque of an electric motor conforms to a torque command, the inverter control device comprising: an inverter main circuit;...
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WO/2018/038021A1 |
Provided is a highly redundant electric motor apparatus which, when a failure occurs in estimation of an angle, is able to identify a line where the failure has occurred, and which is able to continue operation even after occurrence of t...
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WO/2018/037612A1 |
The present invention allows a redundant braking device for higher reliability to be installed in less space. This electric braking device is disposed distributed between the vehicle body side and the wheel side of a vehicle, the wheel s...
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WO/2018/037457A1 |
A motor drive device is used for driving a motor 5 which has a first winding group 6 and a second winding group 7 to which three-phase AC voltages are applied, the first winding group 6 and the second winding group 7 being electrically i...
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WO/2018/036767A1 |
Electrical drive devices with an electrical machine and a plurality of inverters are already known, wherein the electrical machine comprises a rotor and a stator, wherein the stator has an electrical polyphase winding which comprises a p...
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WO/2018/037458A1 |
This refrigeration cycle device comprises: a refrigeration cycle circuit that includes a compressor (1) provided with a dual three-phase motor (2) having a first number that is an integer of 2 or greater of coil units (3, 4); and a secon...
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WO/2018/037506A1 |
The purpose of the present invention is to obtain a rotating machine control device and an electric power steering control device in which a smoothing capacitor can be discharged in a short time while preventing an increase in overall de...
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WO/2018/036766A1 |
The invention relates to a control system for controlling an electrical machine by means of a plurality of converters. One of the converters is selected as a master converter. The other converters for controlling the electrical machine a...
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WO/2018/032352A1 |
An optical sensor for estimating positions of rotors in a motor comprises an optical source (21) and a plurality of photo detectors (22), the motor further has stators and is used for e-machines, the optical source (21) is mounted on the...
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WO/2018/030209A1 |
Provided is a motor control method that comprises: a step for acquiring at least one measurement torque angle and two estimation torque angles; a step for finding all combinations of two torque angles that can be combined with respect to...
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WO/2018/029888A1 |
Obtained is a motor control device that makes it possible to perform abnormality determination of a switching element, etc., without losing the effectiveness of using a shunt resistor. The motor control device is provided with: a high-si...
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WO/2018/025416A1 |
A motor driving device (2), used in a motor (3), provided with a first three-phase coil (11) and a second three-phase coil (12), wherein said device is provided with a first inverter (4) connected to the first three-phase coil (11) and a...
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WO/2018/025331A1 |
This motor driving apparatus is used for driving a motor 5 that has a first winding group 6 and a second winding group 7 to which a three-phase AC voltage is applied, and is provided with a first inverter 3 and a second inverter 4, where...
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WO/2018/024983A1 |
The invention relates to an aircraft electrical power supply network architecture, comprising at least one compressor motor (116a, 116b) for the aircraft's air conditioning plant and at least two electrical generators (112a, 112b) of the...
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WO/2018/020657A1 |
A power converting device includes a first power converting circuit (3), a second power converting circuit (4), a first charge/discharge unit (1), and a second charge/discharge unit (2). The first power converting circuit (3) and the sec...
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WO/2018/018671A1 |
Disclosed are a fault-tolerant permanent-magnet vernier cylindrical electric motor with an electromagnetic suspension and a fault-tolerant vector control method for a short circuit of two adjacent phases. The method comprises: establishi...
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WO/2018/020245A1 |
A brushless bi-directional electric machine comprises a housing mounting exciting coils, a rotor and a stator, the exciting coils and the stator being stationary with respect to the housing and the rotor mounted for rotation with respect...
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WO/2018/021983A1 |
The present invention relates to a rotor (2) alignment method which enables the rotor (2) to be aligned with the A phase axis for Permanent Magnet Synchronous Motors (PMSM) (1) using incremental angle encoder, and which comprises the ste...
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WO/2018/018672A1 |
Disclosed is a fault-tolerant vector control method for non-adjacent two-phase short circuits of a five-phase permanent magnet embedded fault-tolerant linear motor. Firstly, according to the principle that a magnetomotive force remains u...
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WO/2018/019944A1 |
The invention relates to a drive converter (11) for a switched reluctance machine (12) having a particular number of phase inputs (ph1, ph2, ph3, ph4), and to a system (13) comprising this drive converter (11) and the reluctance machine ...
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WO/2018/020694A1 |
This electric power steering device is provided with: a front wheel turning mechanism that is provided at the front wheels of the vehicle and that has a front wheel turning motor as a driving source; and a rear wheel turning mechanism th...
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WO/2018/017179A1 |
An actuator including a motor with a configurable topology and a switching array operably coupled to the motor. The switching array is adapted to configure the topology of the motor. The switching array may include a first set of switche...
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WO/2018/012419A1 |
After microcomputers (401, 402) are started, a ready signal transmission unit (622) of a second microcomputer (402) that is a "synchronization signal reception side microcomputer" transmits a ready signal indicating the completion of syn...
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WO/2018/012592A1 |
A rotary electric machine device equipped with a rotary electric machine (10) and full-bridge inverters (30, 40). The full-bridge inverters are equipped with first high-side switches (SUp - SWp), first low-side switches (SUn - SWn), seco...
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WO/2018/012417A1 |
A synchronization signal generating unit (411) of a transmission-side microcontroller (401) generates a synchronization signal which is synchronized with the drive timing of the local microcomputer and which allows synchronizing the driv...
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WO/2018/007818A2 |
An electric motor may comprise a rotor and a stator comprising rotor and stator teeth, respectively. A non-uniform angular spacing or grouping of rotor teeth may facilitate desired rotational speeds of the rotor.
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WO/2018/008057A1 |
Provided is a pole-number-changing rotary electric machine which has excellent torque-current characteristics both when a large number of poles are driven and when a small number of poles are driven, without using a winding changeover me...
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WO/2018/009275A1 |
Described is a vector control system for a vapor compression circuit. The vector control system may monitor the vapor compression circuit and adjust the speed of one or more motors to increase efficiency by taking into account the torque...
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WO/2018/003462A1 |
There is provided a drive control device of an electric motor with which it is possible to reduce the number of terminals and the number of wires. The present invention is provided with: a drive circuit 3 having an inverter circuit 5 and...
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WO/2018/004037A2 |
The present invention relates to the control of an operation of a voice coil motor (hereinafter referred to as "VCM") for moving a lens of a camera module and, particularly, to a method for controlling an operation of a VCM, which can re...
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WO/2018/005822A1 |
Embodiments of the subject invention are directed to a homopolar motor and its mechanical coupling with a flywheel rotor. The homopolar motor includes a rotor and no additional bearings, shafts, gears, pulleys, etc., are required to coup...
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WO/2018/003075A1 |
A motor control device 1 is provided with: a substrate 10; a substrate 20, which has an electronic component 116 including a switching element 117 for power conversion, and which is disposed along a surface P1 intersecting the substrate ...
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WO/2017/220885A1 |
The invention relates to a motor vehicle starter (10) comprising: a movable pinion which can move along an axis X1 between a rest position and an active position; an electric motor (30) which can rotate the pinion about axis X1; a lever ...
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WO/2017/220234A1 |
The present invention provides control for synchronous machines in order to achieve an approximately constant torque irrespective of the load angle. The induced voltage of the synchronous machine rotating with a zero-current of the stato...
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WO/2017/216523A1 |
Apparatus and methods of operating an electric motor are provided, comprising energising a plurality of stator coils in sequence to rotate a rotor. Each said coil is energised with a repeating pulse sequence comprising at least a first p...
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WO/2017/216259A1 |
A method for controlling an electric power system and an electric power system.The electric power system comprises a prime mover operated at least at a minimum and at a maximum rotational speed, a three phase (L1, L2, L3) AC generator (5...
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WO/2017/216524A1 |
Apparatus and methods are provided for operating an electric motor, comprising selectively energising the coils of a stator having a plurality of stator teeth, each stator tooth having a said coil mounted thereon. The stator coils of a s...
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WO/2017/216959A1 |
A motor system (101) relating to the present invention is equipped with: a motor wherein a first wire-wound section (6) and a second wire-wound section (7) are provided, and the number of the wire winding turns of the second wire-wound s...
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WO/2017/217102A1 |
The SR motor control system 10 which performs driving control of an SR motor 1 has power modules 11, 12, a switch unit 31, and a boost capacitor 38. The switch unit 31 is disposed on a power supply line 30, and comprises FETs 32, 33 for ...
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WO/2017/211838A1 |
Brushless starter generator (1) comprising a main electrical machine (10) winding and an exciter (20) comprising a stator (21) that comprises a stator winding with a direct current (DC) and a stator winding with an alternating current (A...
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WO/2017/213073A1 |
This power output device is provided with: a field winding; a motor having a plurality of star-connected motor windings which are composed of three or more phases; a capacitor; an inverter circuit which is configured to perform power con...
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