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WO/2020/188886A1 |
This power conversion device is provided with a main circuit unit, a control unit (12), a current sensor, and a half-wave rectifier. The control unit (12) is provided with current frequency calculation units (42, 51) and monitoring units...
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WO/2020/188956A1 |
This motor control method inputs one or more controlled variables or target values expressing the state of a motor as input values into one or more node layers, and by calculating in the one or more node layers, outputs one or more manip...
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WO/2020/189031A1 |
A PLC (1) is provided with: a change processing unit (114) for changing, in accordance with a torque value, a rotational angular speed, or a representative value of the rotational angle of a servo motor (31) in a first period, the normal...
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WO/2020/189406A1 |
Provided is a technique which makes it possible to set, more easily and beforehand, control parameters for controlling an object to be controlled including a load device of which mechanical parameters, such as inertia, vary due to attitu...
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WO/2020/188884A1 |
This electric motor control apparatus has an AC power supply, a converter, an inverter, an electric motor, and a control unit. The AC power supply supplies AC power. The converter converts AC power supplied by the AC power supply into DC...
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WO/2020/188764A1 |
This motor drive control device (20) comprises: an inverter circuit (7) that has a first switching element unit and a second switching element unit each comprising one or more switching element, and that converts DC voltage to AC voltage...
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WO/2020/188175A2 |
Figure 3 depicts a vehicle wheel control device (4). The control device (4) is configured to determine a first corrective coefficient (α1) of temperature (T) of the motor from a ratio of an angular speed (ω) of the motor to the supply ...
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WO/2020/189014A1 |
Provided is an abnormality diagnosis device that can diagnose an abnormality in a motor without setting many parameters. An abnormality diagnosis device 40 comprises: a current measurement unit 410 that measures a load current of a motor...
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WO/2020/188693A1 |
This power converter comprises a main circuit unit, a control unit (12), a current sensor, and a half-wave rectification unit. The control unit (12) comprises current frequency calculation units (42, 51), and monitoring units (43, 52). T...
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WO/2020/188650A1 |
The present invention obtains a control device capable of preventing the accuracy of temperature estimation from degrading due to aging. The control device (10) is provided with a correction unit (13) for correcting at least one of a the...
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WO/2020/184187A1 |
This motor state determination device 50 is provided with a physical quantity value range determination unit 56A, a transient period determination unit 56B, and a steady state determination unit 56C. The physical quantity value range det...
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WO/2020/182273A1 |
A trigger apparatus for a powered device, such as a power tool is disclosed. The powered device comprises a trigger operable by a user to move from a first position to at least one second position so as to control an operation of the pow...
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WO/2020/184378A1 |
This power conversion device is provided with: a rectifier for rectifying the AC voltage supplied from an AC power supply; an inverter unit having a smoothing capacitor for smoothing the voltage rectified by the rectifier and a plurality...
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WO/2020/182339A1 |
The invention relates to a drive system comprising a converter, in particular an AC/DC converter, and an inverter for supplying power to an electric motor which is electrically connected to the AC voltage-side terminal of the inverter, w...
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WO/2020/179548A1 |
A work vehicle control device comprising: a startup operation determination unit that determines the existence of a generated state in which a startup signal for a startup switch that starts an electric motor was generated; a locked stat...
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WO/2020/177594A1 |
Embodiments of the present invention relate to the technical field of motor temperature control. Disclosed are a temperature protection method and apparatus, and an unmanned aerial vehicle. The temperature protection method comprises: ob...
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WO/2020/179041A1 |
This motor control device comprises: a power conversion device that is connected in parallel to a first motor and a second motor, converts a DC voltage into an AC voltage, and supplies the AC voltage to the first motor and the second mot...
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WO/2020/177709A1 |
Provided are a motor driving circuit and a terminal device. The motor driving motor comprises a motor, a first transistor, a second transistor, a third transistor, a fourth transistor, a first switching delay module and a second switchin...
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WO/2020/173755A1 |
The invention relates to a method for operating a three-phase electric motor (1) which comprises a non-rotatable stator (3), a rotor (5), which is rotatable about an axis of rotation (R), and a control device (10) and through which a coo...
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WO/2020/175383A1 |
The present invention enables adjustment of control parameters for a plurality of servo motors by using more accurate estimated inertia ratios. The present invention has an adjustment support device 9 that supports adjustment of inertia ...
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WO/2020/169379A1 |
The invention relates to estimating the torque (Tq) of an electric machine by: - establishing (E2) a direct component (Id) and a quadrature component (Iq) of the stator currents, and a rotor flux value ϕf(Τrot) corresponding to a measu...
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WO/2020/172376A1 |
A drive system (500) includes a power converter (510) with power modules (312) supplying power to one or more output phases (A, B, C), a central control system (512) in communication with the power converter (510) and controlling operati...
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WO/2020/169780A1 |
A load protection and control apparatus (1) for protecting and controlling an electrical load connected to the load protection and control apparatus (1) comprising an overcurrent protection circuit (1A) having a power switch (5) through ...
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WO/2020/170440A1 |
A motor drive control device (10) comprising: a control unit (11) for supplying drive power (31) to a motor (20) and controlling the motor (20); an encoder communication unit (12) for communicating with an encoder (30); a cable length es...
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WO/2020/170564A1 |
In this motor actuator, a first power supply relay (51) and a second power supply relay (52) are provided to a power feeding line (L1A) for supplying a power supply from an in-vehicle battery (8) to an inverter (10) by being connected in...
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WO/2020/170654A1 |
In the present invention, when a first main sensor signal and a first sub sensor signal of a first sensor group are compared and it is determined that there is an abnormality in one of the sensors, the first main sensor signal and the fi...
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WO/2020/169765A1 |
A motor control apparatus for controlling a power supply to an electrical motor (M) connected to an output terminal (3) of the motor control apparatus (1) comprising: an overcurrent protection circuit (1A) having a power switch (5) throu...
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WO/2020/170834A1 |
The purpose of the present invention is to provide a control system which, when a sensor is not built in a motor, saves the power of the sensor and increases the life thereof by on/off-controlling power supply to the sensor before and af...
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WO/2020/171309A1 |
The present invention relates to an interface circuit of a motor driving apparatus, the interface circuit comprising a power circuit unit for controlling driving of a motor, and a control panel unit which controls the power circuit unit ...
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WO/2020/165376A1 |
The present invention relates to a method for detecting an electrical and/or mechanical fault in an electrical machine for a vehicle, which machine has a rotor shaft to which a torque sensor is applied, which torque sensor is designed to...
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WO/2020/160740A1 |
The present invention relates to a method for operating an electric motor (100), wherein: voltages with n phases are applied to windings (7) of the electric motor (100) by power electronics (6); the voltage curve of each individual phase...
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WO/2020/163085A1 |
A DC monitoring system measures and analyzes VFD (Variable Frequency Drive) operational characteristics. The VFD receives three-phase input power from a standardized source and to provide variable frequency three-phase output power to a ...
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WO/2020/163643A1 |
A motor control circuit with power factor correction capabilities that optimizes the voltage and current load applied to an electric motor for different motor speeds and torque levels. The preferred motor control circuit includes a power...
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WO/2020/162112A1 |
This motor actuator of the present invention has a first solid state relay and a second solid state relay for which the orientation of a parasitic diode is reversed between a battery and an inverter, and when the supply of power from the...
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WO/2020/157900A1 |
Provided are an electric motor drive device 100 and an electric motor drive system 1. In response to the problem of large fluctuations in an estimated value of a characteristic of an electric motor 301 or a drive mechanism 302 due to a c...
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WO/2020/158358A1 |
This power supply control device, which controls the power supply to a motor installed in a vehicle, comprises: a switching element that turns the power supply to the motor on and off; a current detector circuit that detects the current ...
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WO/2020/157883A1 |
[Problem] To enhance the control performance for a motor. [Solution] This motor control system 1 has: a motor 7; a control device 5 for controlling the motor 7; and an encoder 9 for detecting a rotational position Pf of the motor 7 and t...
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WO/2020/155147A1 |
A motor operating state obtaining method and apparatus. The method comprises: obtaining a signal related to an operating state of a motor (S101); and obtaining feature information of the signal, and obtaining the operating state of the m...
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WO/2020/156782A1 |
The invention relates to a method for controlling an inverter which is electrically connected to an electric motor, having the following steps: defining a modulated voltage (S1) for the inverter, said voltage being based on a first switc...
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WO/2020/153469A1 |
Provided is an opening/closing member control device (3), comprising: a motor (10) for driving an opening/closing member (2) of a vehicle (1) to be opened and closed; and a control unit (4) for determining whether a foreign object is cau...
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WO/2020/153077A1 |
This motor control device controls a motor (11) and is provided as a separate entity from the motor. The motor control device includes: a switch (30) provided in an electric power supply path of the motor; a temperature detecting unit (3...
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WO/2020/152807A1 |
The present invention is provided with: a connection switching device (7) that switches the connection state of stator winding wires (11-13) of a rotary machine (1); a current detection unit (4) that detects a rotary machine current flow...
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WO/2020/147870A1 |
The invention relates to a method (10) for temperature calculation in an electric drive unit comprising a first temperature detection region with a first temperature and a second temperature detection region with a second temperature, at...
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WO/2020/144810A1 |
A motor system (80) that comprises: a motor (21) that rotates and outputs a feedback signal that indicates the speed of the rotation using a pulse count; and a control board (6) that makes the motor (21) rotate at a predetermined rotatio...
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WO/2020/145069A1 |
This abnormality diagnostic device of a rotation angle sensor determines whether or not there is an abnormality in a rotation angle sensor (320) provided in the motor on the basis of a first sine signal (S1) or a first cosine signal (C1)...
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WO/2020/145078A1 |
This control device controls a rotating electric machine that comprises a rotor having a magnet part and a stator having a slotless structure with a stator winding. The control device comprises a temperature estimation unit (S10, S20), a...
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WO/2020/142942A1 |
A control method and controller for a motor, a distance measurement sensor, and a mobile platform. The method comprises: at step S110, detecting whether the ambient temperature of the motor is lower than a temperature threshold; at step ...
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WO/2020/144600A1 |
A system and method for detection of a fault in a component of an Alternate Current Motor (ACM) based on current samples of the ACM. The system includes a current sensor for sampling a current of the ACM. The sampling is performed a plur...
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WO/2020/137916A1 |
An electric work machine according to one aspect of the present disclosure comprises a motor, a drive unit, and a rotation sensor. The motor comprises a stator and a permanent-magnet-type rotor. The stator comprises a cylindrical body, a...
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WO/2020/138832A1 |
A control device for controlling the tension of a wire according to an embodiment of the present disclosure comprises: an unwinding roller for supplying a wire by means of rotation; a motor for rotating the unwinding roller; a tension ro...
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