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WO/2021/181435A1 |
Control apparatus (10) and corresponding method for controlling a high power (P) electric motor (12), preferably of the order of megawatts (MW), preferably of or associated with a shredding plant (11) which is preferably usable for shred...
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WO/2021/180518A1 |
An electric motor system (100), comprising: a motor unit (110) comprising: a first part (120); a second part (130) movable relative to the first part (120); a plurality of spaced activatable motor elements (140) provided on the first par...
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WO/2021/181639A1 |
A motor drive device, according to the present invention, selectively sets an open winding mode in which other ends of each phase winding in a motor are disconnected by opening a switch and a first and second inverter are linked together...
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WO/2021/182119A1 |
The objective of the present invention is to provide a level switch with which a voltage supply to a motor can be reliably and completely interrupted when a deposit is detected, without configuring a suicide circuit. If rotation of a bla...
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WO/2021/182382A1 |
A current command value deriving unit 13 of a motor control device 10 derives a d-axis current command value and a q-axis current command value on the basis of a torque current map 12map and a torque command value. A voltage command valu...
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WO/2021/172207A1 |
[Problem] To provide a motor control device which makes it possible to execute a torque ripple-suppressing control which is highly followable by executing a direct voltage control. [Solution] A motor control device equipped with: a volta...
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WO/2021/171562A1 |
An electric motor drive device (100) for driving an electric motor (70), which is a winding switching electrical motor, comprises: a converter (30) for converting AC voltage outputted from an AC power supply (10) to DC voltage, and boost...
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WO/2021/170567A1 |
The invention relates to an electric machine (1), comprising: a stator (2), which has a plurality of stator coils (6), each stator coil being formed from at least one coil winding; a stator control electronics unit (10), which is designe...
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WO/2021/171963A1 |
This sheet material conveyance device comprises: a rail portion that is disposed in a loop shape; a plurality of runners; a linear motor that circularly moves the plurality of runners along the rail portion; and a pad that is attached to...
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WO/2021/171777A1 |
The present invention achieves high reliability and long lifespan by eliminating sliding. The present invention comprises: a first terminal and a second terminal adjacent to each other and attached to a stator; a movable shaft that can...
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WO/2021/166187A1 |
An air conditioning device (1) has an indoor unit (2) and an outdoor unit (3). The outdoor unit (3) has a compressor (32) that compresses a refrigerant and an electric motor drive device (33) that drives the compressor (32). The electric...
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WO/2021/166124A1 |
An electric motor drive device (150) has: a switching unit (60) provided with a plurality of mechanical relays (61, 62, 63) that switch the connection state of a stator winding of an electric motor (70) to a star connection or a delta co...
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WO/2021/161754A1 |
This abnormality detection device is applied to a motor control system (10) that comprises a current sensor (51) for detecting the current flowing through an AC motor (30) and controls the AC motor. The abnormality detection device compr...
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WO/2021/161762A1 |
The present invention provides a motor driving control device capable of determining the driving status of a motor. A motor driving control device (1) is characterized by comprising: a plurality of motor driving circuits (10_1, 10_2) w...
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WO/2021/157239A1 |
A linear motor system (10) is provided with: a stator (16) including first to tenth coils (20a) to (20j); a movable element (18) including a permanent magnet (24); a switching unit (36) for switching at least one coil to be supplied with...
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WO/2021/153117A1 |
This linear motor system (10) is provided with: a stator (16) that comprises first to tenth coils (20a)–(20j); a mobile element (18) that comprises a permanent magnet (24); a switching unit (36) that switches one or more power supply t...
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WO/2021/149657A1 |
A motor control device (40) controls the driving of a motor (10) having a motor winding (11), and is provided with an angle computing unit (51), a drive control unit (53), and an anomaly diagnosing unit (58). The angle computing unit (51...
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WO/2021/146638A1 |
A stator defines multiple stator poles with associated electrical windings. A rotor includes multiple rotor poles. The rotor is movable with respect to the stator and defines, together with the stator, a nominal gap between the stator po...
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WO/2021/137042A1 |
The invention provides a dual-source blower system for a fuel cell electric vehicle, comprising: a motor controller; a power cell, with an output end connected to a first power interface of the motor controller; an accumulator, with an o...
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WO/2021/137544A1 |
Disclosed is a three-phase AC motor comprising a stator and a rotor. The three-phase AC motor, according to the present invention, comprises: a first wound unit wound around a stator; a second wound unit connected in series to the first ...
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WO/2021/134326A1 |
Disclosed are a drive signal acquisition method for a motor of a touch display apparatus, and a terminal device. The method comprises: establishing a finite element coupling model of a touch display apparatus with a linear vibration moto...
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WO/2021/128051A1 |
A motor polarity determining method, comprising: connecting a motor according to a first connection method, and inputting a first excitation signal to drive the motor to vibrate (201); collecting a first vibration signal of the motor und...
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WO/2021/131203A1 |
According to the present invention, two inverters (10) provided at both ends of an open winding (8) are appropriately controlled. A first speed range (VR1) and a second speed range (VR2), in which the rotation speed of the rotary electri...
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WO/2021/131542A1 |
This linear motor system (10) comprises: a stator (16) having first to tenth coils (20a)-(20j); a mover (18) having a permanent magnet (24); a switching part (36) for switching one or more power supply target coils to which power is to b...
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WO/2021/128017A1 |
The present invention provides a method and apparatus for controlling the vibration frequency of a linear motor, and a storage medium. The method for controlling the vibration frequency of a linear motor comprises: defining the basic vib...
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WO/2021/131848A1 |
A control device (10) is provided with: a microcontroller (50); power supply circuits (41, 42) that supply power to the microcontroller (50); power supply lines (71, 72, 712, 722, 713, 723) and GND lines (73, 732, 733) through which comp...
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WO/2021/128338A1 |
A motor vibration displacement control method, a storage medium, and an electronic device. A preset basic voltage signal is updated according to a preset limited displacement value and a specific motor system response. Furthermore, if a ...
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WO/2021/119931A1 |
A method for computing a motor vibration signal, comprising: receiving a vibration signal to be processed, and determining, on the basis of said vibration signal, the start vibration intensity, the pre-start time, the braking vibration i...
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WO/2021/125528A1 |
The present invention relates to a double wound motor and a control method therefor, and comprises: a first inverter and a second inverter for supplying phase currents respectively to a first wound unit and a second wound unit of the dou...
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WO/2021/120508A1 |
Provided are a dual-winding motor-based dual-motor wire-controlled steering system and a control method thereof, wherein the system includes: a steering wheel (1), a steering column assembly, a road sensing assembly, a dual-motor steerin...
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WO/2021/120057A1 |
Provided in the present application are a signal production method, a signal production apparatus, a vibration motor, and a touch screen device, the signal production method comprising the steps: collecting first output response data of ...
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WO/2021/121770A1 |
Device for determining the angular position of a rotor (4) of a rotating electric machine on the basis of signals delivered by a plurality of position sensors, this device comprising: - a circuit (130) that employs a control loop to esti...
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WO/2021/120100A1 |
Disclosed are an electric motor signal control method, a terminal device and a storage medium, applied to the technical field of electric motor control. The method comprises: obtaining an initial weighting curve according to an original ...
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WO/2021/114993A1 |
A position-sensorless control method and system for a permanent magnet synchronous motor. The method comprises: collecting real-time current of any two phases in a three-phase power supply of a motor; respectively performing Clark transf...
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WO/2021/117683A1 |
This motor drive control device (102), in which a power distribution system for energizing a motor (101) having a plurality of independent winding sets (101A, 101B) is provided for each of the winding sets, is equipped with: sensors (14A...
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WO/2021/114720A1 |
The present disclosure relates to a driving circuit and method, and a frequency converter, a device and a computer-readable storage medium. The circuit comprises: a rectifier unit comprising a first input end and an output end, the outpu...
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WO/2021/119196A1 |
Systems, devices, and methods for a five-phase inverter motor (110) comprising: a stator (112) comprising: at least one armature (116); at least five teeth (138); a rotor (120) comprising at least four magnets (122); at least five invert...
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WO/2021/117636A1 |
This drive control device for an electric motor comprises a first system that drives a first winding group and a second system that drives a second winding group. A control circuit of each system is connected to an internal shared ground...
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WO/2021/110355A1 |
The invention relates to a method for operating an electric machine (100) having a power converter (100) and multiple phases, in which method, phase currents flowing through the phases during operation of the electric machine (100) are d...
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WO/2021/111598A1 |
This motor driving device is for a motor having a plurality of phase windings which are in a non-connected state with respect to each other, and is provided with: a first inverter which controls power distribution to one ends of the phas...
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WO/2021/113671A1 |
The present disclosure is generally directed to techniques for radial alignment of motor components relative to each other to achieve a motor with a rotor bore having sub-micron end-to-end deviation. In an embodiment, a rotor bore alignm...
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WO/2021/106609A1 |
This power converter is provided with: an inverter that converts direct-current voltage into alternating-current voltage so as to drive a synchronous electric motor; and a magnetic-pole position correction part that corrects for misalign...
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WO/2021/103425A1 |
Disclosed are a hybrid power device driver of an electric motor and a power system, which are applied to the technical field of electric vehicles. The type of power device in a first drive circuit of the driver is different from the type...
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WO/2021/106095A1 |
Provided is a motor control device that, in the case where each system is provided with a DC power supply, can suppress the occurrence of a torque difference between systems even when a DC voltage difference occurs between the systems. T...
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WO/2021/103089A1 |
The present invention relates to the technical field of automatic control, and provides a method and device for processing an excitation signal of a motor. The method comprises: performing displacement prediction according to an original...
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WO/2021/106323A1 |
Provided is an induction machine, the coil of which has a high current utility factor. An induction machine 100 which has: a rotor 20; a stator 10 equipped with n coils which have a coil pitch which is substantially equivalent to a pole ...
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WO/2021/098429A1 |
A synchronous motor inductance detection method and apparatus, the method comprising: applying a direct current voltage of a first voltage angle to a motor, such that the rotor of the motor is positioned at the first voltage angle (S101)...
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WO/2021/100456A1 |
According to the present invention, vibration and noise generated by permanent magnet synchronous motors is effectively suppressed. A motor control device 1 comprises: a triangular wave generation unit 17 which generates a triangular w...
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WO/2021/099894A1 |
A semiconductor device comprising at least one substrate (2, 22), a plurality of connection pairs (3, 23), each equipped with a first connection electrode (3a, 23a) and a second connection electrode (3b, 23b) and connected to the termina...
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WO/2021/100397A1 |
In the present invention, ON/OFF control of a contactless switching element is performed with a micro-computer to miniaturize and enabling sharing between a control substrate of a three-phase alternating-current motor and a control subst...
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