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WO/2023/214149A1 |
A method of controlling a brushless permanent magnet motor includes exciting a phase winding of the motor for an excitation period, wherein exciting the phase winding comprises applying a voltage to the phase winding, and freewheeling th...
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WO/2023/209349A1 |
A method of controlling a brushless permanent magnet motor includes sequentially exciting and freewheeling a phase winding of the motor over a time interval between successive commutations of the phase winding. Exciting the phase winding...
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WO/2023/206931A1 |
Disclosed in the present invention are a BLDC motor with a networking communication function, and an electrical device. The BLDC motor comprises a motor body and a motor controller, wherein the motor body comprises a stator assembly and ...
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WO/2023/208945A1 |
The aim of the invention is to provide a method for position measurement and position control for an electromagnetic transport system (1) comprising a stator (2), a rotor (3) and a position-control circuit (200), which method is improved...
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WO/2023/208271A1 |
The invention relates to a controller (1) for controlling and/or regulating the supply of energy to an electric machine (2) comprising a rotor (3). The controller (1) has a first processor (4) and a second processor (5), wherein the firs...
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WO/2023/203398A1 |
A device for magnetic descaling of the fluid of thermal facilities by a brushless pump with a direct magnetic core and the capability of selective conduction on the claimed filter, which is composed of the following parts, the central se...
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WO/2023/203027A1 |
Device (2) for operating an electromotive axle drive unit (4), having an inverter (6) for supplying high-voltage power to an electric motor (8) of the electromotive axle drive unit (4), wherein the inverter (6) has a first pole (10) and ...
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WO/2023/201894A1 |
Provided are a motor control method and an electric vehicle. The motor control method comprises: obtaining a motor phase line estimated current according to a bus current, a bus voltage and a motor line voltage; obtaining a motor three-p...
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WO/2023/201979A1 |
Disclosed in the present invention is an adaptive control method based on angle-of-advance calculation for an inductive brushless electric motor. When an electric motor works at a set rotation speed and a set power, an automatic operatio...
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WO/2023/202676A1 |
The present application discloses a power module and a motor controller. The power module comprises: multiple first direct-current input ends having the same polarity; at least one second direct-current input end, the polarity of the sec...
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WO/2023/197594A1 |
The present application discloses an overvoltage protection driving circuit, a motor driving circuit, and a vehicle. The overvoltage protection driving circuit comprises a switch signal generation module, a first switch module, a second ...
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WO/2023/193832A2 |
The present invention belongs to the technical field of motors, and disclosed are a non-polarized power supply circuit for a direct-current brushless motor and a control method. The circuit comprises a microcontroller chip, a polarity de...
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WO/2023/192695A1 |
A motor drive system for use with a motor comprising a first high-side switch coupled to a high voltage bus and the motor. A first low-side switch coupled to the motor and a return, a turn ON and turn OFF of the first high-side switch an...
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WO/2023/190126A1 |
[Problem] To provide a tapping device and a tapping unit with which device simplification, space saving, and miniaturization are possible, and which enable improved degrees of freedom of tapping and accurate tapping. [Solution] A tapping...
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WO/2023/186852A1 |
The invention relates to a method for operating a fluid conveying device (2), wherein the fluid conveying device (2) has an electric motor (7) which is drivingly connected to a pump stage (8), comprising the following method steps: a) sp...
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WO/2023/178862A1 |
A kinetic energy recovery system (10), a cutting equipment (20), and a kinetic energy recovery method. The kinetic energy recovery system (10) comprises a motor controller (11), an energy storage device (12), and an energy management dev...
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WO/2023/180244A1 |
In a method for actuating a vehicle drive, the inverter generates an AKS state (AKS) in the form of an active short circuit of phase connections of the electric machine or a freewheeling state (F) of the electric machine when a fault occ...
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WO/2023/174500A1 |
A method of estimating induction motor rotational speed comprising measuring motor operational parameters, the parameters comprising input power, a supply frequency at a first state and a supply frequency at a second state; wherein the f...
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WO/2023/176279A1 |
[Problem] To provide an electric compressor such that is possible to improve quietness after the input of a stopping command. [Solution] This electronic compressor includes a control unit MC that controls the driving of a motor M. A stop...
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WO/2023/169229A1 |
Provided in the present invention are a circuit and method for automatically calculating the speed of a rotor. The circuit comprises: an edge generation module, which is used for receiving Hall signals of three phases, i.e. U, V and W, a...
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WO/2023/167329A1 |
A signal generation device according to an aspect of the present invention comprises: N-number of sensors (N represents a multiple of 3) that output N-phase signals in accordance with the rotational angle of a rotor; and a signal process...
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WO/2023/167328A1 |
The signal generation device according to one embodiment of the present invention comprises: N sensors that output N-phase signals (N is a multiple of 3) in accordance with the rotational angles of a rotating body; and a signal processin...
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WO/2023/165677A1 |
The present invention relates to a method for measuring the magnetic saturation profiles of a synchronous machine comprising a rotor and a stator, wherein the synchronous machine is activated by clocked terminal voltages according to a p...
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WO/2023/160139A1 |
Provided are an electric tool (100) and a control method therefor. The electric tool (100) comprises: an operation switch (13); a motor (11), which is connected to the operation switch (13), and is capable of being started in response to...
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WO/2023/159908A1 |
The present invention provides a motor starting control method. The method comprises the following steps: sequentially outputting a control instruction sequence; determining, on the basis of an induction voltage in a suspended phase, whe...
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WO/2023/162439A1 |
The purpose of the present disclosure is to provide an electric tool capable of accurately calculating a tightening torque value generated in a tip tool. An electric tool (1) comprises: a motor (2); a transmission mechanism (4) that tran...
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WO/2023/157432A1 |
This current detection device comprises: a current detection unit (35a - 35f) that detects the current flowing through the switching element of a lower side arm (or an upper side arm); a correction value calculation unit (50b) that calcu...
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WO/2023/156376A1 |
The invention relates to a Hall sensing failure processing method and apparatus for a vehicle sunroof. A Hall sensing failure processing method for a vehicle sunroof includes: identifying occurrence of a first failure if two channels of ...
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WO/2023/157821A1 |
According to the present invention, the rotational speed of a motor is more reliably brought close to a target rotational speed. A motor drive control device (2) is characterized by comprising: a drive circuit (6) that applies, to a co...
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WO/2023/153689A1 |
The present invention relates to a BLDC motor controller for controlling a BLDC motor, and more specifically, to a BLDC motor controller which separates the ground of a battery power input line and that of an emergency operation signal l...
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WO/2023/151744A1 |
The invention relates to a method for rotational speed build-up (10) of an encoderlessly operated electric motor (12), comprising a stator (14) and a rotor (16) that can be rotated at a rotational speed (n) relative to said stator by cha...
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WO/2023/153179A1 |
The present invention improves both stability and responsiveness of the rotation speed of a motor in motor speed control. A motor driving control device (2) includes: a driving circuit (6) that drives a motor (3) by applying a voltage ...
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WO/2023/154146A1 |
Innovative techniques to design and generate haptics waveforms are proposed. The proposed techniques enable consistent haptics user-experience to be enable despite variations among different haptic actuators. Arbitrary waveforms may be g...
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WO/2023/147819A1 |
The invention relates to a method (10) for starting up an internal combustion engine (36) in a drive train (32) using a torque of a multi-pole electric motor (12) which is torque-transmittingly connected to the internal combustion engine...
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WO/2023/146814A1 |
A method of operating a motor drive includes injecting a high frequency signal to determine position error information in order to automatically adjust the magnitude of stator current in I/F control. The method includes: determining a lo...
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WO/2023/143848A1 |
There is described an assembly for determining the electrical angle of a rotor in an electrical machine, such as a wind turbine generator. The assembly comprises: (a) an encoder having an encoder wheel configured to contact a surface of ...
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WO/2023/144055A1 |
The invention relates to a method for operating an electrically driven motor vehicle (2) having an electric motor (4) for driving the motor vehicle (2), wherein the electric motor (4) has a rotor position sensor (6) and a means (8) for d...
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WO/2023/143754A1 |
The invention relates to a method for determining an advance control angle (W) of a synchronous motor (10), comprising the following method steps: actuating a winding system (14) of the synchronous motor (10) to set a defined operating p...
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WO/2023/143748A1 |
Known valve devices comprise: a valve member (70); an actuator (12) which has an electronically commutated electric motor (14) comprising a stator (16) having a stator winding (18, 20), and which has a permanent-magnet rotor (22); a firs...
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WO/2023/146686A1 |
Sensorless field-oriented control (FOC) of permanent magnet synchronous motor (PMSM) using saliency based estimator is generating an error due to the sensitivity in the calculation of error in estimated angular position to q-axis current...
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WO/2023/143714A1 |
The invention relates to a method for determining a load angle (LW) of a synchronous motor (10; 110), having the following steps: actuating a winding system (14) of the synchronous motor (10; 110) in order to set a defined working point ...
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WO/2023/147088A1 |
Disclosed are systems and methods for motor control using piecewise affine modelling. An electronic controller may determine current values for a motor in a rotational reference frame. Each current value may be associated with a dimensio...
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WO/2023/137810A1 |
A multi-phase motor control method, apparatus and device, and a readable storage medium. The method comprises: obtaining current operation parameters of a whole electric loader, and generating a target rotation speed of a multi-phase mot...
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WO/2023/139619A1 |
Virtual monitoring and simulation method of an electric machine The present invention relates to a simulation method and virtual monitoring for rotating electric machines and electronic power converters, which allows obtaining real-time ...
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WO/2023/140760A1 |
The present disclosure generally relates to a motor assembly, comprising an electrical motor and a control unit connected to and adapted to control an operation of the electrical motor. In line with the present disclosure, at least one m...
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WO/2023/137980A1 |
A multi-winding motor driving system of the present invention comprises a motor and a power unit. The motor has a plurality of mutually independent windings. The power unit comprises a rectification unit and a plurality of inversion unit...
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WO/2023/139734A1 |
This variable speed synchronous generator-motor device, in which current control is performed by connecting a frequency converter to an armature coil of a synchronous machine and converting the armature current of the synchronous machine...
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WO/2023/139427A1 |
A multi-turn actuator (4) for a valve is provided with an alternating current brushless electric motor, a transducer device, a power unit with an inverter and a control unit which allows the actuator to deliver, when the operation is sta...
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WO/2023/138879A1 |
The invention proceeds from a method for operating a drive device of a vehicle (14), in particular of a bicycle (14), the drive device comprising at least one motor (16) for driving the vehicle (14), a thermal loading of at least one com...
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WO/2023/140203A1 |
[Problem] To suppress any reduction in product service life and any breakdown while considering the startup properties of an electric compressor during initial running-in. [Solution] This electric compressor control device executes a sen...
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