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WO/2021/116558A1 |
In an electromechanical actuation chain for controlling the movement of moving loads (22) of an aeronautical turbomachine from a control unit (24), one or more of these moving loads being actuated by an electromechanical actuator (30), p...
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WO/2021/110401A1 |
The invention relates to a method for operating a motor vehicle (1) which has an electrical machine (7) with at least three phases, an electrical energy store (13) and a power electronics system (12) having a plurality of switching eleme...
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WO/2021/110404A1 |
The invention relates to a method for operating an electric machine (100) having a stator having stator windings and a rotor, having a converter (110) and having a sensor (120) for detecting a measurement value, wherein the converter (11...
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WO/2021/111527A1 |
This electric motor drive device (100) comprises: a dq-axis current controller (7) that is a current controller that controls a phase current by converting the value of phase current flowing in a synchronous electric motor (1) that is an...
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WO/2021/106609A1 |
This power converter is provided with: an inverter that converts direct-current voltage into alternating-current voltage so as to drive a synchronous electric motor; and a magnetic-pole position correction part that corrects for misalign...
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WO/2021/104752A1 |
A method (100) for calibrating an offset angle (PhiO) for field-oriented control of an electric machine (210) between an angle signal (W) of a position encoder (220) and the direction of the rotor flux (RF), having the steps of: periodic...
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WO/2021/092644A1 |
AC motor rotates independent from power frequency gives advantages in size and controllability. Oscillating and rotating magnetic field is created across airgap by using Amplitude Modulated input. Higher frequency (Carrier) is the power ...
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WO/2021/092812A1 |
Disclosed is a commutation error compensation method for an electric motor. The method comprises: when a rotor, that has not been corrected, in an electric motor rotates in a set direction, collecting a position signal and a three-phase ...
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WO/2021/095880A1 |
Provided is an electric apparatus that can improve the reliability of protection against rotational abnormalities at a motor. An electric work machine 1 that comprises a motor 6, a Hall IC 42 that detects the rotational position of the m...
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WO/2021/096143A1 |
The present invention relates to a hub-type electric driving device comprising a motor embedded inside a housing that doubles as a motor casing. The hub-type electric driving device of the present invention comprises: a housing having a ...
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WO/2021/092444A1 |
A gas engine replacement device includes a housing, a battery receptacle coupled to the housing to receive a battery pack, a motor within the housing, a power take-off shaft receiving torque from the motor and protruding from a side of t...
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WO/2021/092549A1 |
A stand-alone motor unit for use with a piece of power equipment includes a housing, an electric motor, a battery pack to provide power to the motor, a battery receptacle arranged on the housing and configured to receive the battery pack...
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WO/2021/089182A1 |
The invention relates to a method for capturing the position of a movable part, more particularly for capturing the angular position of a rotatably mounted part or for capturing the linear position of a part arranged so as to be movable ...
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WO/2021/083590A1 |
The invention relates to a method for calibrating the control of an electrical machine, comprising the steps of: applying at least one electrical test signal having a specified direction in a d-q coordinate system to the electrical machi...
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WO/2021/079577A1 |
[Problem] To increase the torque of a permanent magnet type motor. [Solution] Provided is a permanent magnet type motor having a concentrated winding, the motor being configured to output a large torque, wherein: a circumferential-dire...
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WO/2021/074094A1 |
The invention relates to a method for operating a brushless and sensorless multi-phase electric motor (4), wherein at least two phase voltages (UU, UV, UW) and at least two phase currents (IU, IV, IW) of the electric motor (4) are determ...
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WO/2021/073934A1 |
A method for Controlling a drive System (1) including a synchronous motor (3) having several phases comprises the steps: providing appropriate operating Parameters for the synchronous motor (3) by processing input of the drive System (1)...
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WO/2021/068241A1 |
The present invention relates to a brushless direct current motor Hall sensor fault-tolerant control device and a control method therefor, comprising a Hall sensor unit, a brushless direct current motor three-phase stator winding, an inv...
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WO/2021/068446A1 |
A brushless direct-current electric motor system control method based on a hybrid energy storage unit. The method comprises: constructing a hybrid energy storage unit, wherein an output of the hybrid energy storage unit is connected to a...
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WO/2021/069479A1 |
A motor system comprises a motor comprising: a stator with a plurality of subwindings each having a plurality of phase connections for receiving phase voltages, wherein each of the subwindings is electrically insulated from each of the o...
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WO/2021/069895A1 |
There is described a method of controlling an inverter supplying power to a permanent magnet AC, PMAC, motor having a plurality of phase windings, The method comprises: selecting a first phase winding of the PMAC motor; electrically conn...
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WO/2021/065954A1 |
This motor drive method is a method in which a motor drive device drives a motor, the motor drive device comprising: an inverter that adjusts supply power to the motor, which is a synchronous machine; and a controller that controls the i...
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WO/2021/064308A1 |
The invention relates to a multi-star multi-phase synchronous machine with disconnected neutrals, in which a current regulator (20) is provided for each of the stars, which delivers direct ud and quadratic uq voltage values from differen...
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WO/2021/067059A1 |
A drain cleaning machine includes a brushless direct current (DC) motor configured to rotate a snake about the snake axis. An electronic processor is configured to control power switching elements to drive the brushless DC motor. In a fi...
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WO/2021/065938A1 |
Provided is a method by which a motor driving device drives a motor, the motor driving device comprising an inverter that adjusts the power supplied to the motor, which is a synchronous motor without position sensors, and a controller th...
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WO/2021/056344A1 |
Disclosed are a detection method and apparatus, a control method and apparatus, a power component, a movable platform and a storage medium. The detection method comprises: determining measured value information of an electric motor at th...
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WO/2021/061407A1 |
Methods and apparatus to control a three-phase BLDC motor with a curve transformer having an index value for each stored input value and output value for providing stored corner points for outputs of the curve transformer. The curve tran...
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WO/2021/058067A1 |
The invention relates to a control unit for controlling a motor of an oil pump. The control unit comprises a receiver unit which is configured to receive a setpoint pressure; a first determining unit which is configured to determine a to...
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WO/2021/051193A1 |
Brushless direct current (BLDC) motors are becoming more common, such as in cars and other vehicles. Unreliable BLDC motors or control systems can lead to risk of people's safety. A redundant BLDC control system is provided to control tw...
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WO/2021/048388A1 |
Method for determining the voltage UL generated by the inductive portion (6) of a measuring resistor (2) present in an electronic circuit comprising a signal generator (1), at least one stator winding (3) that is connected to the signal ...
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WO/2021/047949A1 |
The invention relates to a method for monitoring a motor unit (2), said method comprising at least the following steps: - detecting a starting rotor position (Start-RP), - determining or specifying at least one non-safety-critical positi...
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WO/2021/044717A1 |
A composite sensing device (130) is provided with: a plurality of sensing devices (131_1 to 131_n) that detect different state quantities; a plurality of signal conversion circuits (132_1 to 132_n) that convert detection signals of the r...
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WO/2021/044325A1 |
It is disclosed a method for sensorless estimation of a position error signal (ϵθ) for a synchronous reluctance machine (5), said synchronous reluctance machine (5) comprising a stator and a rotor, said method comprising: receiving an ...
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WO/2021/042184A1 |
The present invention patent describes a control device for brushless permanent-magnet motors, pertaining to the field of articles for the generation, conversion or distribution of electrical energy, and more specifically to the branch o...
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WO/2021/044758A1 |
This rotation detector is for detecting the rotation amount of a rotary shaft of a motor, and is provided with: a power generation magnet which is integrally mounted to the rotary shaft and which has four or more magnetic poles arranged ...
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WO/2021/037533A1 |
The invention relates to a method for operating an electric machine (100) which is supplied with voltage by a converter with which a DC voltage is converted into an AC voltage, wherein phase voltage values (Ua, Ub, Uc) to be applied to t...
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WO/2021/036794A1 |
Provided in the present invention are a control method and a controller. The method comprises: collecting the rotor position of a permanent magnet synchronous motor, the rotational speed of the motor, a quadrature-axis current, a direct-...
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WO/2021/033432A1 |
The present invention addresses the problem of providing an electric power tool in which it is possible to raise, if necessary, the upper limit for the working torque of an electric motor. This electric power tool (1) is provided with: a...
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WO/2021/031511A1 |
Disclosed is a vertical lighting bladeless variable-frequency fan, comprising: a machine body (100), a wind power system (200), an air outlet stand column (300), a lighting device (400), and a silencing structure (500), wherein the wind ...
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WO/2021/032349A1 |
The invention relates to a control device (8) for operating an electrical machine (1), wherein the machine (1) comprises a rotor (2), a stator (4) and power electronics (7), wherein the rotor (2) is non-rotatably mounted on a shaft (3) r...
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WO/2021/031138A1 |
Provided is an AC power tool, comprising a brushless motor (21); a power supply module (20), arranged connected to AC power so as to supply power to a stator winding; a voltage conversion module (23), arranged connected to the AC power t...
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WO/2021/028123A1 |
A method for managing a torque to be supplied on a shaft of an electric motor comprising the following steps: - creating and initialising a correction data table; - acquiring a torque instruction; - determining a torque command; - measur...
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WO/2021/028166A1 |
The invention relates to a method for determining a rotor position of an electric motor (2) of a power tool (10), in particular of a screwdriving power tool, comprising the steps: testing (S4) whether a first electric motor current (I1) ...
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WO/2021/023746A1 |
Acquiring and control system for a vehicle comprising an electric motor, the system comprising: - at least one first sensor of angular position able to indicate an estimate of the relative position of a rotor of the electric motor with r...
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WO/2021/016782A1 |
Provided in embodiments of the present disclosure are a commutation control method and device for a brushless direct current motor, and a storage medium. The method comprises: performing detection on a position of a rotor in a brushless ...
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WO/2021/019250A1 |
A flight control system (20) comprising: • at least one drive unit (4); • at least one wing (5) operatively connected to the at least one drive unit; and • a controller (21) configured to: • send a control signal to the at least ...
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WO/2021/018104A1 |
A power tool includes: a housing (72), a brushless motor (56) disposed inside the housing (72), and a controller (230). The controller (230) is configured to receive power-off signals and power-on signals. Upon receiving a power-on signa...
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WO/2021/012866A1 |
A motor overvoltage protection circuit, an undervoltage protection circuit, a voltage protection circuit and a motor, wherein the motor overvoltage protection circuit comprises: a first controllable switch, a control terminal of the firs...
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WO/2021/015183A1 |
This rotary electric machine comprises a rotor (21) and a stator (31). The rotor (21) includes permanent magnets (23). The permanent magnets (23) provide a plurality of field magnetic poles (26) and at least one reference magnetic pole (...
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WO/2021/005725A1 |
A driving device (100), provided with a power converter (2), a magnetic-pole-position-specifying unit (5a), a magnetic-pole-position-specifying unit (5b), a subtractor (8), and a current control unit (6). The power converter (2) supplies...
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