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WO/2023/100300A1 |
A life prediction device (4) comprises: a life storage unit (44) for holding, as life data, the basic life of an object that is a device or a component constituting an industrial machine and the consumed life that is life consumed from t...
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WO/2023/099061A1 |
The invention relates to a method for operating an electric drive system (7) comprising: an electric machine (1) which has a rotor (3) having a rotor shaft (5); a sensor assembly for measuring a rotor angle (α) of the rotor (3); a trans...
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WO/2023/099484A1 |
The invention relates to a method (20) for monitoring a drive unit (1) of a vehicle (10), the drive unit (1) comprising an electric motor (2) and a control unit, the method comprising the steps of: actuating (21) the electric motor (2) w...
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WO/2023/094352A1 |
The invention relates to the operation of an electric motor (M) by means of a motor controller which controls, in a control loop (10, 20, 30, 40, 50), a controlled variable (Iq, Id) defining the rotary drive of the electric motor (M). Ac...
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WO/2023/095401A1 |
In a motor cooling system 1, a determination unit 33 performs periodic sampling of a driving current Ip or a rotation speed Np of an oil pump 23, and detects a decrease in cooling oil of a motor 2 when it is determined that a standard de...
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WO/2023/092808A1 |
A method for controlling counter-electromotive force in a train, comprising: a train control and management system (TCMS) delivering to a traction control unit (TCU) an instruction of opening a main circuit breaker (S101); and after the ...
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WO/2023/094522A1 |
The invention relates to a method for controlling an output torque (50) in an electric powertrain (110) of a self-driving working machine (100) for a traction control system of the self-driving working machine (100). The method is charac...
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WO/2023/095247A1 |
A diagnosis device (100) for an electric motor (5) comprises: a measuring circuit (7) that obtains a current signal and a voltage signal; an FFT analysis unit (111) that performs a frequency analysis on each of the obtained current and v...
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WO/2023/095738A1 |
The present invention comprises: an input torque detection unit (11) that detects an input torque fluctuation value (F0); a first filter processing unit (12) that extracts and acquires, from the input torque fluctuation value (F0), a fir...
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WO/2023/091298A1 |
An electronic circuit comprises a charge storing component, a set of one or more switching components coupled to the charge storing component, and an additional switching component coupled to each of the one or more switching components ...
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WO/2023/089787A1 |
The present invention calculates a second torque command value by using a vibration compensating torque for suppressing vibration of an electric motor rotation speed to correct a first torque command value based on required output of an ...
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WO/2023/089360A1 |
The subject of the invention is an actuator having an H-bridge. It is characterized by the fact that it consists of a microcontroller (4) equipped with Bluetooth 5 wireless communication, which is connected via the H-bridge (3) with an i...
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WO/2023/084438A1 |
Method for reconfiguring an electric machine including a rotor arranged to rotate with an angular speed (ω), the electric machine being arranged to pass from a first configuration (config1) to a second configuration (config2), the metho...
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WO/2023/085043A1 |
The present invention provides a solution for addressing a new problem of reducing jitter that is of position data and that can occur in a state where a motor mechanically coupled to an encoder is stopped. This control device is provided...
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WO/2023/084625A1 |
A device (100) for diagnosing an electric motor that is driven by an inverter (17), the device (100) comprising an electric current detection circuit (7) for detecting an electric current of the electric motor (5), and a computation proc...
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WO/2023/084587A1 |
Provided is a technique capable of detecting an abnormality of an industrial machine when performing full-closed control on one axis by a plurality of motors in the industrial machine. This motor control device comprises: a first positio...
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WO/2023/083672A1 |
The present invention relates to a machine tool having a tool, wherein: the tool can be driven by an electric motor; the machine tool can ascertain a current flow and compare said current flow with an expected value for the current flow;...
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WO/2023/086339A1 |
A safety switching system and method for braking an electric motor in a mobile device. A multi-phase shorting system brakes the motor by diverting power from the motor windings. Multiple independent switching units each include a switch ...
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WO/2023/084956A1 |
In the present invention, a speed controller 101 performs speed control processing A to control an electric motor M1 such that a rotational state of a rotor X1b, at a driving timing at which the electric motor M1 performs driving, approa...
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WO/2023/082539A1 |
Provided are a method and apparatus for determining the load inertia of a motor, a motor assembly, and a storage medium. The method for determining the load inertia of a motor (404, 504) comprises: injecting excitation signals into a dri...
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WO/2023/078798A1 |
The invention relates to a measuring assembly (21) having a measuring circuit (22), which is arranged on or in an electrical machine (10), and an evaluation unit (24), which is arranged outside the electrical machine (10) and is connecte...
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WO/2023/078668A1 |
The present invention relates to an inductively electrically excited synchronous machine (1), having: a rotor (2), which has a rotor coil (5) for generating a rotor field and a transformer secondary coil (6) for supplying the rotor coil ...
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WO/2023/073793A1 |
An aspect of a servo controller capable of accurately detecting an abnormality in a servo system is a servo controller for controlling a plurality of servo amplifiers that supply an electric current to each of a plurality of winding syst...
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WO/2023/076837A1 |
In a general aspect, a method can include detecting, by a motor controller, an operating fault associated with operation of a powertrain of an electric vehicle. The powertrain can include a permanent magnet motor, a multi-phase inverter ...
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WO/2023/074151A1 |
The present invention is for measuring frequency characteristics with high accuracy. A frequency characteristic measurement apparatus (10) is provided with a first output unit (11), a frequency characteristic calculation unit (13), a res...
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WO/2023/073792A1 |
This motor control device is provided with an assist torque current calculation unit (25a) for calculating a current which should be supplied to a motor, and an overheat protection limiting current calculation unit (25b): for calculating...
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WO/2023/072763A1 |
Device (45) for controlling an inverter/rectifier (9) of an electrical circuit of a hybrid or electric vehicle, the electrical circuit comprising: - a polyphase stator winding; - a battery (31); at least one electrical energy storage uni...
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WO/2023/076942A1 |
A method of determining rotor angle limits for static heating of an electric motor comprises: applying a brake to a wheel of a vehicle, wherein the vehicle has an electric motor; while the brake is applied, providing a first current to t...
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WO/2023/072594A1 |
The invention relates to an operational strategy for drive units having a plurality of electrically driven axles. To this end, the invention provides for acquiring user data of the components of the individual electrically driven axles. ...
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WO/2023/073937A1 |
A machine tool (10) is provided with: a static-pressure bearing (216) that comprises a moving body (230) and a fixed section (220) that uses a fluid to support the moving body; a fluid supply unit (310) that outputs the fluid at a pressu...
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WO/2023/073754A1 |
A power supply shut-off device according to the present disclosure comprises a power supply relay having serially connected first switching elements and second switching elements, a power supply relay driving circuit for inputting a driv...
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WO/2023/068305A1 |
A control device (10) comprises: a plurality of control units (150, 250); inter-system communication circuits (152, 252); internal power supply circuits (155, 255); and protection circuits (160, 260, 62-64). The control units (150, 250) ...
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WO/2023/067787A1 |
According to the present invention, a user can easily set and change the stability margin of a servo control device. A setting support device, which supports a user in setting a stability margin of a servo control device, comprises: a ...
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WO/2023/067889A1 |
A drive member control device (2) comprises a control unit (8) that controls a motor (M) for causing a drive member (1) to perform driving and restricts the supply of power to the motor in response to an estimated motor temperature (A) w...
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WO/2023/061788A1 |
The invention relates to a management system and method for the heat treatment of at least one element of a drive train of an electric or hybrid motor vehicle so as to optimize the performance of the vehicle for intensive use being carri...
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WO/2023/061814A1 |
The invention relates to a safety module (40) for an inverter (20) of a motor vehicle, the inverter (20) comprising at least two power circuits (C1, C2, C3), the safety module (40) comprising a control unit (42) and at least two safety s...
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WO/2023/058340A1 |
According to the present invention, a microcomputer of a VVT controller rotationally drives an electric motor of a VVT mechanism, which is provided with a stopper that regulates the rotation angle, through speed feedback control. At this...
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WO/2023/058203A1 |
This control device comprises: a temperature acquiring unit that acquires a detected temperature; a friction force calculation unit that calculates a viscous friction force generated in an actuator of a machine at the detected temperatur...
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WO/2023/057210A1 |
The present invention relates to an array (10) of sensors, for an inverter (20), comprising at least one position sensor using so-called inductive technology (30) and at least one temperature sensor (40) for an electric motor, each of th...
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WO/2023/054953A1 |
The present invention provides a motor or a generator in which the number of poles of winding is reduced and phases are converted in the forward direction by means of a neural point changeover switch and a phase changeover switch, and th...
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WO/2023/053241A1 |
This short circuit detection device (100) for a dynamo-electric machine (10) comprises: a signal acquisition unit (61); a signal decomposition unit (62); a specific frequency component reduction unit (63); a signal conversion unit (64); ...
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WO/2023/050892A1 |
An electric motor overload protection method, an electric motor controller, an automobile and a storage medium. The method comprises: collecting the current phase-current valid value of an electric motor (S101); performing time integrati...
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WO/2023/047468A1 |
This motor drive device comprises: a storage unit for storing the prespecified parameters of a registered motor; a dynamic braking circuit; a calculation unit for calculating, using the rotational speed per unit time of a driven motor wh...
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WO/2023/048383A1 |
According to various embodiments, an electronic device may comprise: a motor; a flexible display in which a screen exposed to the outside by driving of the motor is expanded or contracted; a driving level determination unit for determini...
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WO/2023/043452A1 |
A method of determining a characteristic of a printer motor in a printer is provided. The method comprises applying to the printer motor a predetermined voltage for a predetermined time, registering a number of signal pulses detected by ...
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WO/2023/040639A1 |
The present application discloses a drive control device for a brushless motor and a related device, which relate to the technical field of drive control and aim to quickly shut down a brushless motor. The specific solution is: a motor d...
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WO/2023/040216A1 |
Provided are a motor stalling protection control method and apparatus, an electric milling machine, an electronic device, a computer-readable storage medium, and a computer program product. The method comprises: determining whether a mil...
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WO/2023/040236A1 |
Provided are an overvoltage protection circuit, an overvoltage protection method, and a motor controller, relating to the technical field of high voltage. The overvoltage protection circuit comprises a voltage sampling circuit (100), an ...
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WO/2023/041220A1 |
The invention relates to a device (100) and a method (400) for operating an electric machine (190). The device (100) comprises a power module (110) of an inverter (120). The power module (110) comprises a plurality of switching elements ...
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WO/2023/036145A1 |
The present application belongs to the technical field of electronic devices. Disclosed are a control method and apparatus for a vibration motor, and an electronic device and a storage medium. The control method for a vibration motor com...
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