| Document |
Document Title |
|
WO/2024/091590A1 |
A method for operating a motor drive to supply power to an electric motor comprises: measuring at least one phase current in the electric motor; measuring a rotational speed of the electric motor; adjusting, based on the rotational speed...
|
|
WO/2024/088880A1 |
The invention relates to a switching arrangement, comprising a B6 bridge (1) for controlling an electric motor (M), wherein the lower semiconductor switches (LS1 to LS3) of each half bridge (HB1, HB2, HB3) of the B6 bridge (1) are connec...
|
|
WO/2024/088674A1 |
According to the invention, structural data (SD) relating to geometry, heat conductivity and electrical conductivity of elements of the machine (M) to be monitored are input. Predefined temperature-critical points (P1, P2) are located on...
|
|
WO/2024/084598A1 |
Provided is a motor system comprising a motor (1) and a control unit that controls the motor, wherein: the motor has a rotor (10) in which a magnetic-flux-generating body that generates magnetic flux is disposed, a stator (12) having a b...
|
|
WO/2024/083879A1 |
The invention relates to a device (100) for determining an estimated value (θest) of an angular position of a rotor of a rotary electric machine, this determining device being configured so that: - in a functional mode, it determines an...
|
|
WO/2024/083271A1 |
Disclosed in the present invention are an STM32-based Hall phase calibration method and apparatus. The method comprises: connecting an STM32-based adjustable configurator to a PC end, configuring an STM32 chip by using a PC-end upper com...
|
|
WO/2024/083390A1 |
The invention relates to a method for creating an actuation table for actuating an electronically commutated electric machine (2), wherein the actuation table provides, depending on an operating point, an actuation specification (uL, αL...
|
|
WO/2024/084679A1 |
An electric motor driving device (100) comprises a three-phase diode bridge (10) that rectifies and converts a three-phase AC voltage into a DC voltage, an electrolytic capacitor (3) that smooths the DC voltage, a DC reactor (30) provide...
|
|
WO/2024/079861A1 |
A phase angle detection system according to one aspect of an embodiment of the present invention detects the phase angle of an electric motor in a drive system equipped with a transmission unit that changes the rotation speed of the elec...
|
|
WO/2024/078126A1 |
The present invention provides a motor closed-loop detection circuit and method. The motor closed-loop detection circuit comprises: a motor open-loop path, configured to provide an open-loop angle increment and calculate an open-loop ang...
|
|
WO/2024/078595A1 |
Disclosed in the present invention are a compensation system and method for a zero-crossing voltage of back electromotive force of a brushless direct current motor. First, a bus current threshold is preset in a voltage compensation modul...
|
|
WO/2024/075390A1 |
This rotation angle calculation device comprises: an acquisition unit (21) which acquires detection results obtained by detecting, from three detection elements (11) which are disposed at positions shifted by 120 degrees in terms of an e...
|
|
WO/2024/065986A1 |
The present invention relates to the technical field of multi-phase motor control. Disclosed are a dual three-phase motor high-precision model prediction current control system and a control method. According to the present invention, a ...
|
|
WO/2024/069745A1 |
An inverter control device (100) comprises: a control signal generating unit (11) that outputs a control signal generated on the basis of a voltage command; and a current detection value correcting unit (14) that multiplies a detection v...
|
|
WO/2024/066069A1 |
A pulse width modulation index evaluation method, an apparatus, a device and a storage medium. The method comprises: determining a first relationship between the harmonic voltage of a motor and a switching angle and a second relationship...
|
|
WO/2024/069360A1 |
A system includes: an inverter configured to convert DC power from a battery to AC power to drive a motor, wherein the inverter includes: a power module including: a drain tab; a source tab; a first power switch including a first gate te...
|
|
WO/2024/069705A1 |
A power conversion device (200) comprises: a rectifier unit (3) for rectifying a first AC power supplied from a commercial power supply (1); a smoothing capacitor (5) connected to an output end of the rectifier unit (3); an inverter (30)...
|
|
WO/2024/068958A1 |
The invention relates to a method for monitoring an electric machine, wherein the monitoring is carried out for recurring operating states of the dynamoelectric machine, wherein real data in relation to control of the dynamoelectric mach...
|
|
WO/2024/060971A1 |
A linear actuator integrated with a gear nonius encoder and a control method therefor. The linear actuator comprises a motor (9), a control circuit module, a gear nonius encoder, and a ball screw pair for pushing a push rod (15) to perfo...
|
|
WO/2024/062936A1 |
The present invention rotates a rotor of an electric motor by sequentially switching between energization modes that designate, from among the three phases of the electric motor, two phases in which a pulse voltage is applied. The pulse ...
|
|
WO/2024/052096A1 |
The invention relates to a method for operating a drive unit of a machine tool, wherein the drive unit is supplied by a mains voltage and the drive unit has a brushless DC motor and an inverter upstream of the DC motor, and wherein durin...
|
|
WO/2024/047843A1 |
According to one embodiment of the present invention, an inverter apparatus (100) comprises: a power converter (101) for an armature winding; a power converter (102) for a field winding; a velocity control unit (110) which controls three...
|
|
WO/2024/041703A1 |
The invention relates to an optical waveguide (LWL) comprising a sensor element (SE), wherein: the sensor element (SE) has a carrier material (TM); a plurality of diamonds (DM) are embedded in the carrier material (TM); one or more or al...
|
|
WO/2024/043244A1 |
This motor control device comprises: a control unit that executes sensorless control on a brushless motor BM having three phases; and a determination unit that determines the presence or absence of stepping-out of the brushless motor. Th...
|
|
WO/2024/044660A1 |
A power tool that includes a housing, a brushless motor, a power switching circuit, an impact mechanism, and an electronic controller. The brushless motor is within the housing and includes a rotor and a stator. The rotor is coupled to a...
|
|
WO/2024/043399A1 |
The present specification relates to an apparatus and method for controlling an inverter-driven sensorless motor. A method for controlling an inverter-driven sensorless motor according to one embodiment of the present specification compr...
|
|
WO/2024/042241A1 |
The present invention relates to a control system for a multiphase brushless motor without a position sensor, incorporating drive control electronics, comprising: • - a switching means (20), provided with two-state switches (12 to 17),...
|
|
WO/2024/040823A1 |
Disclosed in the present invention is a linear brake control method and apparatus applied to a competition-level remote-controlled model vehicle. The method comprises: a user sending a remote control instruction to an electric-motor cont...
|
|
WO/2024/043245A1 |
This motor control device MS comprises: a control unit BC that performs sensorless control of a brushless motor BM having three phases; and a determination unit BH that determines the presence or absence of step-out of the brushless moto...
|
|
WO/2024/040929A1 |
A signal detection circuit, a detection method, a motor controller, a compressor, and a vehicle. The circuit (100) comprises: a lower bridge driving unit (110), used to output a first fault detection signal; an upper bridge driving unit ...
|
|
WO/2024/040881A1 |
Disclosed in the present application are a linear brake control method and apparatus applied to a competition-level remote-control model vehicle. The method comprises: a user sending, by means of a remote controller, a remote control ins...
|
|
WO/2024/043623A1 |
Provided is a method for controlling a home appliance (100) comprising a motor (120) driven by a driving current, the method comprising the steps of: receiving a stop signal for stopping the motor (120); performing, on the basis of recei...
|
|
WO/2024/036777A1 |
An AC brushless permanent magnet synchronous motor control system module, mainly applied to AC motor control and related fields, and also applied to other fields having similar specific control modes. The present invention can fundamenta...
|
|
WO/2024/038351A1 |
Disclosed is a method of controlling a brushless permanent-magnet motor. The method includes measuring a plurality of values indicative of back EMF induced in a phase winding of the motor and determining estimated phase angles associated...
|
|
WO/2024/032380A1 |
A motor position signal fault determination method, a device, a system, and a vehicle. The motor position signal fault determination method provided by embodiments of the present disclosure comprises: acquiring an electric signal output ...
|
|
WO/2024/033172A1 |
The invention relates to a method for operating an electric machine (4) of a rotary drive, comprising a gear set (2) which has backlash, wherein the electric machine (4) is controlled according to a target value (n_EMsoll) of a control v...
|
|
WO/2024/027871A1 |
A method of operating a direction-of-rotation sensorless electric motor comprising a stator and a rotor, injected signals being used to determine rotational speeds of the electric motor, is characterized in that the rotational direction ...
|
|
WO/2024/029455A1 |
The present invention achieves both a shortened activation time and post-activation vibration improvement. A motor drive control device (10) comprises a control circuit unit (3) that outputs a drive control signal (Sd) to a motor drive...
|
|
WO/2024/028317A1 |
The invention relates to a device (100) for determining the angular position of a rotor (4) of a rotary electric machine on the basis of only three sensor signals delivered by position sensors (20), these signals being a first sensor sig...
|
|
WO/2024/029456A1 |
The present invention reduces rotation speed fluctuation associated with phase adjustment. A motor drive control device (1) comprises: a control circuit (2) that generates a drive control signal (Sd) which is a PWM signal for controlli...
|
|
WO/2024/028315A1 |
Disclosed is a device (100) for determining the angular position of a rotor (4) of a rotary electric machine on the basis of only two sensor signals delivered by position sensors (20), this device comprising: - a circuit (103) for estima...
|
|
WO/2024/025982A1 |
An apparatus and method for determining electrical characteristics has an acquisition circuit and a control circuit. The control circuit causes a first modulation circuit to issue a first set of modulated signals to a first source of alt...
|
|
WO/2024/025848A1 |
An electric vehicle power control system and method thereof is described to utilize sinusoidal reference signals to implement multiple modes for using power. In some examples, an electric vehicle power control system couples a sine senso...
|
|
WO/2024/019868A1 |
An electric machine controller arranged to direct a power converter to cause a pulsed operation of an electric machine in selected operational ranges to deliver a desired output and to cause a continuous operation of the electric machine...
|
|
WO/2024/016536A1 |
Disclosed in the present invention are a braking system and method for a brushless direct current motor. In the braking process of a brushless direct current motor, a bus voltage value is controlled by means of a braking control module t...
|
|
WO/2024/017430A1 |
The invention relates to the detection (42) of a rotor position (yEM) of an electric motor (10) which comprises at least one stator (12), at least one rotor (14) that can be rotated relative to the stator, thereby changing the rotor posi...
|
|
WO/2024/011709A1 |
A motor current sampling method, a frequency converter, a terminal device, and a storage medium. The motor current sampling method comprises: acquiring a delay setting parameter (S10); when a preset delay condition is met, executing a sa...
|
|
WO/2024/013589A1 |
A high pressure washer (100) is described comprising: - a pump (40) and an electric motor (50) configured to drive the pump (40), where said pump (40) is connected to an inlet duct (15) of a liquid to be pressurised and to a delivery duc...
|
|
WO/2024/007551A1 |
Disclosed in the present invention are an electric-motor control circuit and a control method. The electric-motor control circuit comprises: a power source, a drive circuit, a PWM signal generation circuit, a controller, and a back elect...
|
|
WO/2024/000954A1 |
Disclosed in the present invention is a rotor position detection apparatus for a primary segmented linear electric motor. The primary stage of the primary segmented linear electric motor comprises two stators, each of which is composed o...
|
