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WO/2021/160713A1 |
The invention relates to a method for determining a rotational angle position of a rotor of a multiphase electrical machine, said method having the steps: - generating phase voltages for the multiphase electrical machine by means of puls...
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WO/2021/155987A1 |
Method for identifying a malfunction in an inverter-motor assembly, comprising a plurality of sequential diagnostic procedures each comprising the following steps: - a step of initial configuration of the inverter (2); - a step of initia...
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WO/2021/153879A1 |
The present invention relates to a method and device for detecting an initial position of a rotor of a permanent magnet synchronous motor in a no-load environment. A method according to an embodiment of the present invention can comprise...
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WO/2021/155263A1 |
A DC electric motor having a stator mounted to a substrate, the stator having a coil assembly having a magnetic core, a rotor mounted to the stator with a first set of permanent magnets distributed radially about the rotor to facilitate ...
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WO/2021/154565A1 |
A haptic feedback mechanism for steering by wire system includes a motor. Electronic circuitry includes a node and switches for controlling the motor. A voltage sensor at the node and a motion sensor for the DC motor feed a motor control...
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WO/2021/150107A1 |
The invention relates to a switching device for switching an electric motor, comprising a control unit which is configured to provide a first switching signal for the electric motor, a memory which is configured to store at least one end...
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WO/2021/150106A1 |
The invention relates to a multi-turn limiting device for limiting movement of an element driven by a motor, the limiting device comprising a sensor configured to provide a sensor signal corresponding to a position of the element, a mova...
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WO/2021/148308A1 |
A power supply control circuit (300) for a synchronous motor (130) having three motor phase currents, the power supply control circuit (300) comprising a microcontroller (310) generating a PWM signal having a period (T) and duty cycles T...
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WO/2021/147351A1 |
An EtherCAT P bus technology-based multi-axial servomotor control system and control method. The motor control system comprises a movement controller and several servo drive systems connected by an EtherCAT P bus, wherein each servo driv...
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WO/2021/146142A1 |
A haptic system is described. The haptic system includes a linear resonant actuator (LRA), a receiver, and a transmitter. The LRA has a characteristic frequency and provides a vibration in response to an input signal. The receiver is con...
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WO/2021/146578A1 |
A method for backlash compensation in motion control systems includes homing a payload of a motion control system, and performing a tooth-pitch non-uniformity procedure on the motion control system to identify a non-uniformity correction...
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WO/2021/144869A1 |
The present invention comprises: a compressor (1) including a compression mechanism (7) and a motor (8); a heat exchanger (3); an inverter (9) that applies a desired voltage to the motor (8); a current detection unit (31) that detects a ...
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WO/2021/145050A1 |
Provided is a motor driving control apparatus (1) that can surely acquire currents of coils of two phases with a single shunt current detection method. The motor driving control apparatus (1) comprises: a motor driving unit (2) includi...
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WO/2021/146143A1 |
A haptic system is described. The haptic system includes a plurality of actuators, a plurality of receivers and at least one transmitter. Each of the actuators is configured to provide a vibration in response to an input signal. The rece...
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WO/2021/141780A1 |
An apparatus includes an electric motor including a stator and a translator; a three-phase inverter electrically coupled to the electric motor; a power source electrically coupled to the three- phase inverter; and a controller communicat...
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WO/2021/135720A1 |
An electric tool, a method for controlling an electric tool, and a method for switching an electric motor control mode. The electric tool comprises a functional element (11), an electric motor (38), a power supply module (31), a drive ci...
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WO/2021/135737A1 |
An alternating-current electric tool, comprising a functional element (10), a brushless motor (20) and a motor control circuit (30). The functional element is configured to realize the function of the electric tool; the brushless motor i...
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WO/2021/137259A1 |
A control method of an electric machine {20) is described, comprising a first step of detecting the angular position (Θ) of a rotor of the electric machine (20); a second step of detecting the values of the alternate current (ia, ib? ic...
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WO/2021/133656A1 |
One embodiment provides a remotely controllable gas engine replacement device (10) including a housing (14), a battery receptacle (54) coupled to the housing (14), the battery receptacle (54) configured to removably receive a battery pac...
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WO/2021/129212A1 |
Provided are a motor starting method and a motor brake control method, device and electrical equipment. The motor starting method comprises the following steps: when a start switch is triggered, control the motor to start for the first t...
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WO/2021/133761A1 |
Systems (800) and methods for sensorless trapezoidal control of brushless DC motors (802) provide effective high-torque start-up and low speed operation without the use of Hall effect sensors or encoders during motor operation. The syste...
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WO/2021/121455A1 |
The invention relates to an adjustment device for a vehicle seat, having at least one electric motor (10) for moving at least parts of the vehicle seat, and at least one control device for specifying the desired movements to the electric...
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WO/2021/124326A1 |
A drive system for a BLDC motor having poles implemented by separate coils that are activated in corresponding phases, which comprises a controller for controlling the level and phase of input voltages supplied to the separate coils; a c...
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WO/2021/122193A1 |
The invention relates to a method for determining the angular speed and/or the angular position of an electric machine rotor by a step of determining the harmonics, which is carried out by means of a closed loop which comprises a harmoni...
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WO/2021/121770A1 |
Device for determining the angular position of a rotor (4) of a rotating electric machine on the basis of signals delivered by a plurality of position sensors, this device comprising: - a circuit (130) that employs a control loop to esti...
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WO/2021/127338A1 |
A method for expanding features of a gas engine replacement device that drives power equipment including controlling, by an electronic processor of the gas engine replacement device, a power switching network to selectively provide power...
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WO/2021/120666A1 |
A motor control method and apparatus, a motor controller, a motor, and a storage medium. The motor control method comprises: acquiring an actual phase lead angle during operation of a motor (S101), acquiring an angle difference between t...
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WO/2021/119229A1 |
A gas engine replacement device includes a housing, a battery receptacle coupled to the housing and configured to removably connect to a battery pack having a memory storing battery pack configuration data, a motor located within the hou...
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WO/2021/115717A1 |
A method for controlling a brushless and sensorless, direct current electric motor (3) for motor vehicle equipment, wherein the electric motor (3) comprises a rotor and phases (A, B, C) powered by a pulse width modulation applied to a po...
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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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