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WO/2020/119869A1 |
The invention relates to a protective circuit of an electric motor with a single-phase winding (3), consisting of two coil sections (5, 6) with a centre tap (7), wherein the two winding ends of the coil sections (5, 6) are connected to e...
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WO/2020/114626A1 |
The invention relates to a method for operating a drive train and a drive train, wherein the drive train comprises an electric motor and a load driven by the electric motor or driven by a transmission driven by the electric motor, wherei...
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WO/2020/116210A1 |
A power conversion device according to an aspect of the present invention is for converting power from a power source into power to be supplied to a motor which has a winding wire of n phases (n is integer of 3 or more), and is provided ...
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WO/2020/117252A1 |
A motor of an ESP is positioned in a wellbore. Measured data is received from one or more sensors. A first deep learning model running on a motor controller of the ESP determines first operating parameters or first operating conditions f...
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WO/2020/116377A1 |
According to the present invention, erroneous detection of abnormality of a torque value after restarting an operation is prevented. A PLC (1) comprises: an abnormality detecting unit (15) which detects an abnormality occurring in the op...
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WO/2020/109240A1 |
The invention relates to a method for a failsafe monitoring process for monitoring the rotational speed of a sensorless three-phase drive (3). The three-phase drive (3) is actuated by a drive electronic system (2), which has an inverter ...
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WO/2020/110875A1 |
The present invention is provided with: power supply circuits configured so as to be capable of supplying and cutting off power in correspondence to each phase; motor control circuits provided in correspondence to each phase; and full-br...
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WO/2020/109005A1 |
The invention relates to a method for monitoring the operation of at least one drive component (4). The aim of the invention is to improve the speed and security of the monitoring. This aim is achieved, according to the invention, in tha...
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WO/2020/108693A1 |
The invention relates to a method (100) for continuous condition monitoring of an electric motor (122) comprising a rotor and a stator and at least two motor phases (m(1), m(2)) for inducing a rotary motion of the rotor relative to the s...
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WO/2020/111105A1 |
Provided are a motor unit that reduces the influence of missing data, a motor operation display system, and a motor operation display device. A motor unit (4) according to the present invention is provided with: a motor (10); and a micro...
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WO/2020/109321A1 |
The invention relates to a method for monitoring the operation of a frequency converter (1) which is designed to control an electric motor (2), wherein the method has the steps: generating phase voltages (u1, u2, u3) for corresponding ph...
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WO/2020/105337A1 |
The present invention addresses the problem of making it easy to continue control of a motor. A motor control system (10) is provided with a motor (1) and a motor control device (2). The motor control device (2) has an acquisition unit (...
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WO/2020/105204A1 |
This power conversion device has: a harmonic voltage generation unit for superimposing, according to a switching signal, dc-axis and qc-axis harmonic voltages on dc-axis and qc-axis voltage commands; and an inductance estimation unit for...
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WO/2020/098994A1 |
The invention relates to a motor control device (1) for a three-phase brushless DC motor (2). The motor control device (1) comprises a converter (3), which has an electric half-bridge (3.1, 3.2, 3.3) with two electronic switches (H1, H2,...
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WO/2020/100521A1 |
A shift range control device (40) is provided with an encoder count unit (51), an energization control unit (52), a learning unit (53), an energization phase count unit (54), and an anomaly determination unit (55). The encoder count unit...
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WO/2020/100218A1 |
Provided is a temperature estimation device (13) that estimates driving duty ratio considering effects of ambient temperature with respect to energization to a coil portion on the basis of the driving duty ratio and the ambient temperatu...
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WO/2020/099412A1 |
The proposed solution relates to an electric motor assembly, comprising at least one electric motor (1) and a control device (2) for controlling the electric motor (1), as well as an electronic detection device (3a, 3b) for detecting at ...
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WO/2020/101033A1 |
Provided is a method for assessing an overload of a wound electric motor, the method making it possible to assess an overload with excellent precision, and moreover to ongoingly assess an overload with high precision even when an overloa...
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WO/2020/096809A1 |
A system and method for thermal management in a variable frequency drive is provided. Aspects include receiving, by a processor, operational data associated with a variable frequency drive, the operational data including one or more oper...
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WO/2020/094844A1 |
An actuator for connecting and disconnecting a dog clutch having an axially moveable sleeve (3), the actuator (4) comprising an electric motor (6), wherein a rotor (61) of the motor is connected to a rotatable actuator rod (7), which is ...
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WO/2020/096007A1 |
This power conversion device 100 is provided with: a power conversion unit 111 that supplies power to a pumping device 1; a data acquisition unit 121 that acquires speed data corresponding to the driving speed of the pumping device 1 and...
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WO/2020/096385A1 |
A device and a method for controlling a brushless direct current (BLDC) motor, according to an embodiment of the present invention, comprise: a BLDC motor using a three-phase power source; a current measuring unit for measuring a current...
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WO/2020/090854A1 |
A mobile body moving device comprising a slider door (mobile body), a drive unit to cause the slide door to move, a rotation sensor (sensor) to detect slide door movement, and a control unit to control driving the drive unit on the basis...
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WO/2020/088983A1 |
The invention relates to a method (100) for operating a voltage transformer (1), which converts an input voltage UZK provided on the DC voltage gate (2) of the voltage transformer into a three-phase or multiphase alternating voltage U on...
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WO/2020/080455A1 |
An angle calculating unit (51) calculates a motor angle on the basis of a signal from a motor rotation angle sensor (13) which detects the rotational position of a motor (10). A target angle setting unit (52) sets a target rotation angle...
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WO/2020/079899A1 |
The present invention mitigates a decrease in motor output torque which occurs when a power supply current supplied from a power supply to a motor is limited to be less than or equal to a predetermined upper limit value. The motor contro...
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WO/2020/080170A1 |
The failure diagnosis method according to an embodiment of the present disclosure diagnoses a failure of a power conversion device 1000 for converting the power from a power supply 101 to a power supplied to a motor 200 having n-phase (n...
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WO/2020/075693A1 |
One embodiment of the motor control system according to the present invention is a motor control system for supplying power to a motor and provided with a first motor control unit and a second motor control unit which are each provided w...
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WO/2020/075701A1 |
A main spindle device (1) that comprises: a main spindle (2) at the tip, i.e., the front side, of which a tool (T) can be installed; a housing (3) that is arranged on the radial-direction outside of the main spindle (2); and a motor (5) ...
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WO/2020/074048A1 |
A method is used to detect condensation which is imminent or has already taken place on/in electric motors, in particular on/in electric motors as part of fans or fan groups. The method comprises the following method steps: determining c...
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WO/2020/073463A1 |
Provided are an electronic device and an electrical tool, which are applicable to the technical field of electrical tools. The electronic device comprises: a signal adjusting module (1) an output signal of which may be adjusted; a contro...
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WO/2020/075344A1 |
Provided is a feedback control method in a control device having: a delay compensator that has a model being controlled and a filter; a first feedback controller; a notch filter; and a noise compensator, wherein: the filter is divided in...
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WO/2020/075765A1 |
A shift range control device (40) controls switching of shift ranges by controlling drive of a motor (10). A signal acquisition unit (51) acquires an encoder signal from an encoder (13) which can output the encoder signal of three or mor...
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WO/2020/070988A1 |
A vibration suppression device which includes an operation unit, an actuator unit for actuating the operation unit, and an elastic body for connecting the operation unit and the actuator unit, and suppresses vibrations on the operation u...
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WO/2020/070879A1 |
The present invention improves an effect of suppressing vibration of a pipe connected to a compressor. The compressor is provided with a compression mechanism unit, a motor that drives the compression mechanism unit, and a motor control ...
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WO/2020/072748A1 |
A system predicts motor wear and failures before they occur. Telemetry data from motors in a motor application is collected and predictive algorithms are used to determine when a motor is aging and when it may fail. Identifying a potenti...
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WO/2020/069849A1 |
In a system with an inverter (1) associated with an electrical machine (2), a control operation (9) involves a variable-frequency pulse width modulation method in order to optimize efficiency of the system. According to the invention, th...
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WO/2020/066937A1 |
This motor unit includes: a wireless communication unit which receives a first control signal from a communication apparatus through wireless communication; a first microcomputer; a second microcomputer which controls the wireless commun...
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WO/2020/066183A1 |
One aspect of a steering control device is a steering control device which controls the rotation angle of a motor which drives a steering mechanism in accordance with the rotation angle of a steering wheel, the steering control device co...
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WO/2020/066207A1 |
Between a transmission unit 1 and a reception unit 2, signal transmission and reception is performed in two stages of a first step for conveying an approximate frequency by transmitting and receiving a notification signal and a second st...
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WO/2020/066184A1 |
One embodiment of this driving control device is a driving control device that controls the driving of a motor and comprises: at least two inverters that each supply power to the motor; and a control unit that selectively performs first ...
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WO/2020/066031A1 |
This motor drive device (100) is provided with: a reactor (2); a converter circuit (3) which converts an AC first voltage outputted from an AC power supply (1) to a DC voltage; a capacitor (4) which smooths a second voltage, which is a v...
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WO/2020/064420A1 |
The invention relates to a method for reducing interference noise and/or vibrations during the operation of an electric machine (1) which has a primary part with a three-phase coil winding and a second part with permanent magnets. In the...
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WO/2020/067240A1 |
This control device, which controls a multi-joint robot having multiple joints and an arm, is provided with: an acquisition unit which acquires unique identification information assigned to each of the motors that drive the multiple join...
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WO/2020/064422A1 |
The invention relates to a belt conveyor device (1) and to a method for stopping a belt conveyor device (1) in a controlled manner. In particular for directly driven belt conveyor devices (1), an event (E) such as a power failure can lea...
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WO/2020/066431A1 |
This encoder is installed in a drive device that is provided with: a motor part which is coupled to a fixing part via an elastic body so as to drive a first displacement part; and a transmission part for converting a displacement of the ...
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WO/2020/065720A1 |
This AC rotating electric machine control device is provided with: a temperature detection unit 50 for detecting the temperature of a protection unit 70; a maximum current adjustment unit 51 for adjusting the maximum current of an AC rot...
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WO/2020/065226A1 |
The invention relates to a control circuit (1) of an electric motor (4), the control circuit (1) comprising a filtering device (13) in order to filter the high frequencies which are capable of generating electromagnetic radiation which i...
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WO/2020/060297A1 |
Provided is an electronic device. The electronic device includes a motor, a memory configured to store at least one of first frequency information associated with a sound that is generated when the motor is driven or second frequency inf...
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WO/2020/057505A1 |
A stepper motor driver with brake drive, a drive device and an automation device are disclosed. The stepper motor driver comprises a microprocessor (1) embedded with a communication protocol, an external interface unit (3) mutually conne...
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