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WO/2022/041712A1 |
Disclosed in the embodiments of the present application is an audio signal drive motor circuit. The circuit comprises: an audio processing module, an audio power amplifier and a motor, wherein the audio processing module is electrically ...
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WO/2022/044971A1 |
In an industrial machine including an electric motor, a command to the electric motor may be corrected on the basis of a feedback value from a sensor. Conventionally, there is a demand for a technology that enables such correction to be ...
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WO/2022/043013A1 |
The invention relates to a method for monitoring a temperature of a coil of an electric machine (2) that is powered by a converter (1), wherein a heating power applied to the coil is ascertained, and the heating power is evaluated using ...
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WO/2022/042028A1 |
A high-frequency signal driving motor circuit. The circuit comprises an audio processing module (101), a motor driver (102) and a motor (103), wherein the audio processing module (101) is electrically connected to the motor driver (102) ...
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WO/2022/046601A1 |
Systems and apparatuses include an alternator including a stator and a rotor structured to be coupled to a crankshaft of a prime mover, and processing circuits structured to: determine a crankshaft position, associate a crankshaft timest...
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WO/2022/044713A1 |
Provided are a motor device, a gear motor, a detection method, and a computer product capable of detecting a load fluctuation and performing highly accurate preventive maintenance. The motor device comprises: a motor; a power detection c...
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WO/2022/043271A1 |
The invention relates to a method (100) for operating a unit (12) of a motor vehicle (2), in particular an electric motor-powered coolant compressor, which comprises an intermediate circuit capacitor (58), a brushless direct current moto...
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WO/2022/045274A1 |
A controller is provided for generating carrier signals for a PWM generator controlling an inverter driving an electric actuator to reduce the EMI level of the inverter. The controller includes an interface configured to connect to the i...
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WO/2022/037961A1 |
The present invention is related to a computer-implemented method of predicting conditions of machines as well as a corresponding data processing system, computer program and computer-readable medium. A technical specification of a machi...
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WO/2022/037141A1 |
Provided in the present application is a wind power generation system, comprising M power conversion circuits and motors, M being a positive integer not less than 2. The motor comprises at least one stator segment, each stator segment co...
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WO/2022/035423A1 |
The present disclosure relates to systems and methods for improved anomaly detection for rotating machines. An example method may include determining a rotational speed of a rotating machine. The example method may also include determini...
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WO/2022/027930A1 |
A multi-functional motor controller, comprising a drive circuit (1), a main control circuit (2) and a communication switching circuit (3); the drive circuit (1) is a motor drive unit, and converts a motor operation instruction from the m...
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WO/2022/028912A1 |
The invention relates to a method for operating a return pump (26) of a braking system (1), wherein the return pump (26) has at least one pump element (27, 28) and a pump motor (29), which is designed to actuate the pump element (27, 28)...
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WO/2022/028009A1 |
The present invention relates to the technical field of motor driving and control, and discloses a high-power driver for a deep-sea motor, comprising an absolute value circuit, a driving circuit, a main control circuit, and a filter circ...
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WO/2022/030516A1 |
Provided is a technology capable of more appropriately determining an abnormality in a mechanical element of a rotating machine. A control device 40 according to one embodiment of the present disclosure includes an abnormality determinat...
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WO/2022/030151A1 |
A vehicle control device (60) is provided in a vehicle in which a torque output from a motor (20) is transmitted from a drive shaft to a drive wheel via a power transmission system, and controls the motor. The control device comprises a ...
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WO/2022/030346A1 |
The purpose of the present invention is to determine priority levels of resonance points and enable the allocation of filters in order from the resonance point with the highest priority level. A control assistance device according to t...
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WO/2022/022733A1 |
Disclosed are a radio excitation system, a detection method and an electric vehicle, which relate to the field of electronic power technology. The input end of a first power conversion circuit of the system is connected to a power source...
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WO/2022/022799A1 |
The invention relates to a drive system for sensitive devices, in particular for radio astronomical devices, the drive system comprising an electric motor, a converter configured to supply a drive power to the electric motor and to contr...
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WO/2022/025918A1 |
Example implementations relate to fan operational statuses. In some examples, a computing device can include a fan and a processor, where the processor is to determine an operational status of the fan, determine a location of the computi...
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WO/2022/013123A1 |
The invention relates to a method and a system for controlling at least two electric machines, preferably electric motors, which are arranged in a vehicle; wherein a first electric machine is controlled by means of a first pulse-width-mo...
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WO/2022/009601A1 |
This motor control device is provided with three-phase motor windings and a thermistor that measures the temperature of the coil of any one or two of the three-phase motor windings, wherein the motor control device comprises a coil tempe...
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WO/2022/008328A1 |
The invention relates to a method for detecting a kickback or a breakthrough of a machine tool (10a; 10b; 10c; 10d), in particular a hand-held machine tool, with an oscillating output movement, in particular a linearly oscillating output...
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WO/2022/008590A1 |
One aspect of the invention relates to a device (100) for enabling the actuation of a power stage (200) of an electric machine (300). The device comprises a first input (102) for capturing a safety function signal and a second input (104...
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WO/2022/009246A1 |
Embodiments described here concern a method to control a direct current motor (50) powered by an alternating supply voltage (Vin), which provides to detect the instant of the zero-crossing of the supply voltage (Vin) and to selectively a...
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WO/2022/010851A1 |
Power tools described herein include a tool output, a motor driving the tool output, a battery pack interface, a power switching network coupled between the battery pack interface and the motor, and a controller coupled to the power swit...
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WO/2022/009638A1 |
An abnormality warning system (130, 130a) gives a warning of an abnormality in a plurality of motor systems (10) for driving motors (11) each used corresponding to a plurality of rotor blades (30) of an electric aircraft (20). The abnorm...
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WO/2022/004314A1 |
A control device (90) comprises a motor control unit (71) that controls an electric motor, a shift control unit (73) that controls a shift-by-wire system of a moving body, and a torque detection unit (66) that detects torque imparted to ...
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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...
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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 (...
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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 (...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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 ...
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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 ...
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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 ...
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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...
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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...
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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 ...
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