| Document |
Document Title |
|
WO/2022/085545A1 |
An estimation unit of this temperature estimation device estimates the temperature of a temperature detector attached to a coil of a stator using a model of an electric motor. Coefficients related to heat transfer are set between models ...
|
|
WO/2022/082788A1 |
An electric motor, an electric motor controller, a heat exchange system, and a control method. The electric motor (33) comprises a housing, a stator mounted within the housing, a rotor coupled to the housing by means of a bearing, a wind...
|
|
WO/2022/085543A1 |
In the present invention, an electric motor model comprises: a model of a coil of a stator; and a model of a temperature detector for detecting the temperature of the coil. A parameter such as a thermal capacity is included in the electr...
|
|
WO/2022/079947A1 |
A system for controlling an operation of an induction motor (IM). A controller processor detects a spectrum of a current signal from received sensor data using a module. Obtain a number of rotor bars and a number of pole pairs of the IM ...
|
|
WO/2022/079796A1 |
This failure diagnosis device (1000) comprises: a control unit (100) for controlling the drive of an electric motor (53); an abrasion estimation unit (200) for estimating an abrasion amount of the bearing of the electric motor (53) on th...
|
|
WO/2022/073773A1 |
The invention relates to a method for monitoring one or more electric drives (M1, M2, M3, M4) of an electromechanical system, in particular of a wind direction tracking system of a wind turbine, wherein the one or more drives (M1, M2, M3...
|
|
WO/2022/075022A1 |
This motor control device (50) performs the drive control of a permanent magnet motor (20) by an inverter (30) and comprises: a demagnetization determination unit (73) for determining whether or not irreversible demagnetization occurs in...
|
|
WO/2022/068546A1 |
Provided in the present application are a method and device for controlling a drainage pump, an apparatus and a storage medium. The method comprises: acquiring electric motor operating parameters of an electric motor of a drainage pump d...
|
|
WO/2022/070589A1 |
Provided is a vibration suppression control device for a vehicle system, the device using motor speed information to suppress vibration due to resonance, and thereby improve vehicle riding comfort. The present invention is provided with ...
|
|
WO/2022/070944A1 |
A signal transmission device for transmitting a power transistor drive signal to a secondary circuit system from a primary circuit system while insulating the interval between the primary circuit system and the secondary circuit system, ...
|
|
WO/2022/071592A1 |
A drive device (150) comprises: a first motor (122a) disposed so as to be capable of rotating a drive shaft (121); a second motor (123a) disposed so as to be capable of rotating the drive shaft; and a drive controller (130). The drive co...
|
|
WO/2022/064840A1 |
This motor drive device that drives a motor using three-phase alternating current as a power source comprises: a rectifier circuit that rectifies the three-phase alternating current; a current detection circuit that detects DC current re...
|
|
WO/2022/063068A1 |
A protection device and a brushless motor system, for use in reducing the cost of the brushless motor system and ensuring the normal operation of a brushless motor. The protection device (300) comprises a field suppression device (301) a...
|
|
WO/2022/064993A1 |
This ceiling fan (100), which comprises a motor (3) for rotating a blade, comprises: a speed detection unit (54) which detects the rotating speed of the motor (3); a control unit (52) which controls a drive voltage supplied to the motor ...
|
|
WO/2022/058100A1 |
Method (100) for operating an electrical synchronous machine (2), having the following steps: - a source DC voltage U=,Q or source AC voltage U~,Q with a source frequency fQ is provided (110); - the source DC voltage U=,Q or source AC vo...
|
|
WO/2022/057650A1 |
Disclosed are an inverter temperature control method and system, a vehicle, and a medium. The inverter temperature control method comprises: a sensing module acquiring rotation speed information of an electric motor; a torque control mod...
|
|
WO/2022/059615A1 |
The present invention delays the start of current limitation within a range in which a low heat-resistant component inside an ECU does not exceed the limit of heat resistance or durability due to a temperature rise without performing ins...
|
|
WO/2022/054752A1 |
This current limiting device (21) comprises a current limiter unit (23) that limits a current to be delivered to a drive unit (14) within a current limit range. The current limit is set to change in accordance with an acceleration of the...
|
|
WO/2022/053214A1 |
The invention relates to a power tool (2), in particular a handheld power tool, for example a grinding machine, comprising a tool (5), an electric motor (6) for driving the tool (5), and a control unit (7) for actuating the electric moto...
|
|
WO/2022/051320A1 |
A method for operating a processing system to identify faults in an electric machine system including a multiphase machine having plurality of sets of windings; comprising: receiving parameter information representative of electrical ope...
|
|
WO/2022/048704A1 |
The invention relates to a method for modulating the torque ripple and/or the radial force of a three-phase current-operated electric machine (10), in particular of an electric drive machine of a motor vehicle able to be driven by an ele...
|
|
WO/2022/026111A9 |
A resolver excitation output stage amplifier. Disclosed embodiments comprise an amplifier stage and a current protection circuit. The amplifier stage includes one or more amplifier transistors coupled to first and second supply terminals...
|
|
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 ...
|
|
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 ...
|
|
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 ...
|
|
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) ...
|
|
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...
|
|
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...
|
|
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...
|
|
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...
|
|
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...
|
|
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...
|
|
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...
|
|
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...
|
|
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)...
|
|
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...
|
|
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...
|
|
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 ...
|
|
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...
|
|
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...
|
|
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...
|
|
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...
|
|
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...
|
|
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...
|
|
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...
|
|
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...
|
|
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...
|
|
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...
|
|
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...
|
|
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 ...
|
