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Matches 451 - 500 out of 18,420

Document Document Title
WO/2022/000406A1
The present invention relates to the technical field of motor control, and discloses an assembled-type motor controller having a simple structure and stable performance. The controller comprises a base plate, and a housing movably instal...  
WO/2022/003758A1
An abnormality diagnosis device (30) detects current flowing through an electric motor (2) driven by pulse width modulation control of a power conversion device (100) to analyze the frequency of the current and has a determination unit (...  
WO/2021/261265A1
A control circuit (50) is applied to a system provided with a rotating electrical machine (10), a power converter (15) electrically connected to the winding (11) of the rotating electrical machine, a power supply (30), a shutoff switch (...  
WO/2021/260921A1
The purpose of the present invention is to obtain a backlash amount measurement device for measuring the backlash amount of a power transmission means. The backlash amount measurement device according to the present disclosure is provi...  
WO/2021/259409A1
The present invention relates to a method for monitoring and controlling temperature in electric motor-vehicle drive and/or brake units for acting on movable elements (2) such as motor-vehicle doors (2), motor-vehicle hinged closure elem...  
WO/2021/253203A1
A detection system for a variable-frequency motor driver. The detection system comprises a microcontroller, wherein a signal input end of the microcontroller is connected to a voltage measurement module, a current measurement module, a t...  
WO/2021/254530A1
Provided are a compressor variable-frequency speed regulation system and a direct-current bus voltage overvoltage protection method, comprising: during the process of motor speed regulation, setting a direct-current bus voltage given val...  
WO/2021/253249A1
A motor controller (1) of an electrical appliance (200), a motor apparatus (100) of the electrical appliance, and the electrical appliance. The motor controller comprises: a first control circuit (102), the first control circuit being el...  
WO/2021/255956A1
Provided is a motor control device capable of realizing highly accurate abnormality diagnosis. A PWM controller 15 controls a plurality of switching elements in a power converter 2 on the basis of a PWM signal. A current controller 11 ac...  
WO/2021/256045A1
In the present invention, in a first control state, it is determined whether there is a malfunction pattern (FT), which is either a first malfunction pattern (FP1) or a second malfunction pattern (FP2), in a second control state, it is d...  
WO/2021/257435A1
The subject matter of this specification can be embodied in, among other things, an electric actuator driver that includes a first input port configured to receive an analog electrical servo control signal, a second input port configured...  
WO/2021/245985A1
This motor control device comprises: a storage unit which stores, in advance, an abnormal pattern indicating an abnormality of output values of Hall sensors expressed by a combination of output values of a plurality of Hall sensors, a pr...  
WO/2021/248002A1
A device may be configured to control a heating, ventilation, and air conditioning (HVAC) system within a building. The device includes a rotatable dial comprising a first gear; a second gear configured to engage with the first gear, whe...  
WO/2021/245904A1
A motor temperature and torque estimation device (100) estimates the magnet temperature and torque of a motor by being provided with: a temperature sensor (11); a loss estimation unit (6) for estimating iron loss; a first temperature est...  
WO/2021/245815A1
The present invention obtains a rotating machine control device capable of generating a current command value without using a current command map in such a way that torque does not decrease by reducing loss while appropriately protecting...  
WO/2021/246124A1
The purpose of the present invention is to control a pressing thrust of a brake device precisely regardless of individual differences or usage conditions of a brake device. In the present invention, to control a motor 8 which imparts a...  
WO/2021/240893A1
This synchronous electric motor drive device is provided with: a power converter for driving a synchronous electric motor by sequentially applying positive and negative voltages to each phase of the synchronous electric motor; a current ...  
WO/2021/239757A1
The invention relates to a planar drive system. The planar drive system comprises a stator and a rotor. The stator has a plurality of energizable stator conductors. The rotor comprises a magnet device having at least one rotor magnet. A ...  
WO/2021/239192A1
The invention relates to a method for determining the vibration behavior of an electric motor (23), more particularly an electric motor of a fan. When a driving feed is deactivated, the electric motor (23) used in the method coasts from ...  
WO/2021/240578A1
Provided is a motor diagnosis device (100) comprising: a current detection circuit (7) for detecting a current of a motor (5); an arithmetic processing unit (10) for performing arithmetic processing of the detected current to detect abno...  
WO/2021/240191A1
This monitoring control device for determining whether there is an abnormality in the detection of the rotation state of a rotating body comprises: a rotation sensor for detecting the rotation state of the rotating body and outputting an...  
WO/2021/241952A1
The present invention relates to a motor loss diagnosis method and a loss diagnosis system and, more specifically, to a motor loss diagnosis method and a loss diagnosis system capable of diagnosing individual loss of a motor in order to ...  
WO/2021/240883A1
The present invention addresses the problem of realizing a motor control device capable of estimating the magnetic flux of a magnet without changing a current in an electric motor. A motor control device 1 is provided with: a current d...  
WO/2021/239717A1
The invention relates to a planar drive system. The planar drive system has a stator and a rotor. The stator has a plurality of stator conductors which can be energized. The rotor has a magnet device with at least one rotor magnet. A mag...  
WO/2021/235003A1
A motor control device comprising: an inverter that is constituted by a multiple-phase arm, and that drives a motor; and a control unit that, when the current of each phase flowing to the motor from the inverter is overcurrent that is gr...  
WO/2021/234889A1
An interlock circuit (4) of a conventional electric motor control device (13) was complicated, large, heavy, and expensive. An electric motor control device (10) according to the present application comprises: an electric motor drive uni...  
WO/2021/235328A1
When the rotation direction of a motor (18) is determined by a connection determination unit (40) not to match a rotation command (Cr), the phase sequence of a current detection signal (Di) and the phase sequence of a voltage command (Cv...  
WO/2021/234815A1
Provided is a rotary machine diagnosis system by which simply-structured, accurate diagnosis of a rotary machine can be carried out without analysis settings predicated on specialized knowledge. The present invention is characterized by ...  
WO/2021/233611A1
The invention relates to a multi-system motor (1) for operation from an AC voltage grid or a DC voltage grid. In order to improve operation from any desired energy supply grid (8), it is proposed that the multi-system motor (1) has a sem...  
WO/2021/233694A1
The invention relates to an arrangement for determining a temperature (T1, T2) of an electric machine (4), comprising a supply unit (2) for operating the machine (4) and a computing device (3) which can be associated with the supply unit...  
WO/2021/234355A1
A method of controlling a servo actuation system in a missile is disclosed. The method comprises estimating a temperature of a motor comprised in the servo actuation system from a plurality of motor parameters; and controlling the motor ...  
WO/2021/229703A1
Provided is a device that controls an alternating-current rotating machine, in which a current sensor is serially connected to a switching element on the positive-electrode side of an inverter or to a switching element on the negative-el...  
WO/2021/229892A1
A fan control system according to the present disclosure is provided with a control unit for selecting a control mode from among a plurality of control modes including a first mode and a second mode. The first mode is a control mode for ...  
WO/2021/228064A1
A control method based on the vibration intensity of a toothbrush electric motor. The method comprises: obtaining a first length of time, wherein the first length of time is the length of time a key is pressed (S110); obtaining a first p...  
WO/2021/228583A1
The present invention relates to controlling an electric drive system. According to the invention, the rotor temperature of an electrical machine is monitored and modulation methods and the switching frequency for controlling the drive s...  
WO/2021/223437A1
An electronic speed control device and an unmanned aerial vehicle. The electronic speed control device comprises a first driving circuit (120) used for driving a first motor (170), a first sampling circuit (141) used for collecting first...  
WO/2021/219657A1
The invention relates to an electric circuit (1) for an electric motor (2), the electric motor (2) having at least one stator (3) with at least three coils (4, 5, 6) and a rotor (7) with at least two magnetic poles (8, 9); the motor (2) ...  
WO/2021/220843A1
A rotating machine control device (10) is capable of driving a polyphase rotating machine (800) and direct current rotating machines (710, 720) having a first terminal (T1) connected to a phase current path of a three-phase winding set (...  
WO/2021/220025A1
An ECU (40) controls a motor (31) including a first coil group (52) and a second coil group (53). The ECU calculates a first torque command value and a second torque command value. The ECU uses a first differential torque, which is the d...  
WO/2021/219438A1
The present invention relates to a system, apparatus (110) and method for managing an electromechanical system (105). In an embodiment, the method comprises receiving, by a processing unit (130), operational data associated with the elec...  
WO/2021/215111A1
This motor drive device drives, on the basis of a command from a controller, a motor for controlling the position of an object and is provided with: a correction command output unit for outputting a correction command for correcting the ...  
WO/2021/208121A1
Disclosed in embodiments of the present application is a method for quickly stopping a vibration system, comprising: obtaining an initial vibration waveform to be processed; determining a balancing voltage signal of the initial vibration...  
WO/2021/210567A1
This motor system comprises: an axial gap motor including a shaft extending along an axial line, a disc-shaped rotor that is provided in the shaft and centered on the axial line, a first magnet disposed on the surface of the rotor facing...  
WO/2021/207585A1
One embodiment provides an adapter (410) for configuring device settings of a gas engine replacement device (10). The adapter (410) includes a transceiver (456), a riser interface (462), and an electronic processor (454). The electronic ...  
WO/2021/200204A1
A motor control device (40) controls the drive of a motor (10) having a motor winding (11), and is provided with a drive control unit (51) and a parameter setting unit (55). The drive control unit (51) controls the drive of the motor (10...  
WO/2021/198471A1
The invention relates to a method for protecting safety switches (Q7, Q8, Q9) of a control unit (11) of an electric motor, wherein the control unit (11) has a microcontroller (12) and a gate driver (13), which control a driver circuit (1...  
WO/2021/196252A1
Disclosed is a vibration signal generation method. The method comprises: acquiring an input vibration signal design request, and determining at least one custom parameter included in the vibration signal request; determining an original ...  
WO/2021/200459A1
Provided is a parking brake control device that, when releasing a held braking force, passes a current through an electric motor and changes the driving time of the electric motor in accordance with: the amount of change in current in a ...  
WO/2021/200631A1
This drive control system comprises a motor, a reduction device, and a control unit. The motor includes a stator having an excitation coil, and a rotor having a magnetic member which rotates centered on an axis of rotation with respect t...  
WO/2021/197503A1
A motor drive circuit integrated control system, comprising a master control module (1), a power supply module (2), and at least one drive module (3). The master control module (1) is electrically connected to the power supply module (2)...  

Matches 451 - 500 out of 18,420