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WO/2023/162106A1 |
A motor drive device (10) includes a rectifying unit (3) that rectifies a first AC power supplied from a commercial power supply (1); an inverter (5) that generates a second AC power which is outputted to a motor (32); and a control unit...
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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/2023/159619A1 |
A motor controller generates first and second signals indicative of a motor back electromotive force (back emf) based on motor drive signals. The controller compares the first and second signals and detects a motor locked-rotor condition...
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WO/2023/162858A1 |
This signal processing device (301-306) performs AD conversion on sensor signals inputted from electric current sensors (71, 72, 73) provided to N (≥ 3) electric current paths (81, 82, 83) connected at a connection point (P) of a close...
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WO/2023/159825A1 |
The present invention provides a tubular motor having a stroke accuracy self-learning function and a stroke learning method therefor, solving the problems in an existing tubular motor such as poor positioning accuracy and unchangeable ru...
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WO/2023/162862A1 |
An abnormality detection device (30) comprises a booster circuit (31), internal power supplies (41, 42), components (15, 45, 47) that use boosted power supply, and a control unit (50). The booster circuit (31) boosts electric power from ...
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WO/2023/161066A1 |
A converter system (14) comprises at least two branches (18), wherein each branch (18) comprises an AC-to-DC converter (26) and a DC link (28) cascade connected with each other. A method for controlling a converter system (14) comprises:...
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WO/2023/164162A1 |
The present disclosure is directed to a power tool system including at least a first power tool and a second power tool wherein the first power tool and the second power tool have distinct interfaces for mating with a removable, recharge...
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WO/2023/156373A1 |
The present invention relates to a method for operating a power transmitting system (10) of a working machine (20), which has an electric motor (12). The method comprises a step of detecting (30) at least one measurement temperature of t...
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WO/2023/155941A1 |
The present invention relates to the technical field of permanent magnet electric motors. Disclosed is a protection method for overtemperature of a permanent magnet electric motor in an all-electric vehicle. The method comprises the foll...
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WO/2023/156372A1 |
In a method (100) for adaptively determining a temperature limit (TG1; TG2; TGS) of an electric motor (5) of an electrical drive system (2) for a working machine (1), wherein the working machine (1) comprises the electrical drive system ...
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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/2023/151167A1 |
Provided are a current control method, a current control system, a boom control system, and a vehicle. The current control method comprises: obtaining an actual current value for controlling rotation of a boom; obtaining a target current...
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WO/2023/152815A1 |
A magnetic gap length estimating device (1) of the present application is characterized by comprising a voltage acquisition unit (2) that acquires a line-to-line induction voltage induced at wire connections (9) of an inverter (8) and an...
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WO/2023/149028A1 |
This serial data transmission circuit is provided with a first output terminal, a second output terminal, a plurality of third output terminals, and a fourth output terminal. The first output terminal is configured so as to output a seri...
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WO/2023/145068A1 |
A motor control apparatus (10A), which generates a control signal to a motor for driving a drive shaft on the basis of an acceleration time constant and a deceleration time constant, comprises: a synchronous operation command extraction ...
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WO/2023/142175A1 |
Provided in the present invention are a torque elevation method, apparatus and device for an electric motor, and a readable storage medium. The method comprises: acquiring a rotation speed feedback value of an electric motor, and accordi...
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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/2023/145611A1 |
Disclosed is a vehicular drive device comprising a case, a power transmission mechanism that is positioned in the case and is supplied with oil, a rotary electric machine that is positioned radially outward of the power transmission mech...
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WO/2023/140032A1 |
Provided is a control device (110) comprising a control unit (112) that controls an EPU (10) which supplies drive power to a rotor blade (30) of an electric aircraft (20), wherein the EPU has: a motor (11); an inverter (121); a control c...
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WO/2023/136095A1 |
Provided is an electronic device capable of diagnosing failure of loads and suppressing damage to a switching element. This electronic device comprises a plurality of loads, a switching element provided on a current path connected to t...
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WO/2023/132652A1 |
A motor control device, according to an embodiment of the present invention, comprises: a switching unit including a first switch unit and a second switch unit; a first resistor connected to an output unit of the switching unit; and a co...
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WO/2023/123783A1 |
Provided are multi-phase motor control method and apparatuses, and a readable storage medium. The method comprises: when a multi-phase motor has a phase loss fault, acquiring a current position of a rotor of the multi-phase motor; accord...
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WO/2023/128736A1 |
A motor driving device according to one embodiment of the present invention comprises: a first position detection sensor for detecting the position of a motor and self-diagnosing a defect; a second position detection sensor for detecting...
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WO/2023/123675A1 |
A switch tube junction temperature measurement method, an electric motor controller, an electric motor control system, and a medium. The electric motor control system comprises a three-phase inverter bridge (10) for driving an electric m...
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WO/2023/124865A1 |
Disclosed in the present application are an electric tool and a control method therefor. The electric tool comprises: a motor, comprising a rotor and a three-phase stator winding, the stator winding having a particular conduction angle d...
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WO/2023/126383A1 |
This invention relates to an electromechanical actuator (4) for a closure device, the actuator comprising an electronically commutated permanent magnet synchronous motor (11) without angular position sensors. An electronic control device...
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WO/2023/128737A1 |
A junction temperature estimating device according to a first embodiment of the present invention comprises: a power loss calculation unit for calculating a power loss by receiving a voltage and a current of a switching element as inputs...
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WO/2023/118680A1 |
The invention relates to a method for controlling a three-phase electric motor (2) that is supplied with power by an inverter (3) receiving control signals that are determined by a space vector modulation according to a pair of supply vo...
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WO/2023/122360A1 |
Examples may include an apparatus including a circuit coupled between a supply line, a return line, and a terminal. The circuit may provide an oscillating signal to the terminal. The circuit may include a first switch to couple the suppl...
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WO/2023/119410A1 |
A motor control device according to the present disclosure comprises a motor drive circuit which outputs a drive current to a motor, a drive current detector, a main control unit, and a sub control unit. The main control unit includes a ...
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WO/2023/115501A1 |
Disclosed in the present invention is a boost power system for an electric motorcycle, and the present invention aims to provide a boost power system for an electric motorcycle, which can deal with an emergency. The key points of the tec...
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WO/2023/110200A1 |
The invention relates to a method (400) for operating an inverter (110), comprising the steps of: - controlling (450) the inverter (110) for transferring the inverter (110), the intermediate circuit capacitor (140) and the electric machi...
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WO/2023/111415A1 |
The invention relates to a control device for controlling a synchronous electric motor comprising a rotor and a stator, said stator being equipped with a winding (Ph1, Ph2, Ph3) that is energized electrically by an inverter, said inverte...
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WO/2023/109403A1 |
Disclosed are a method and apparatus for estimating the rotor temperature of a permanent magnet synchronous electric motor, and a computer device, a computer-readable storage medium and a computer program product. The method comprises: a...
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WO/2023/114837A1 |
Power tools that include a housing, a motor supported by the housing, a battery pack interface configured to receive a battery pack that includes a plurality of battery cells, an inverter positioned between and electrically connected to ...
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WO/2023/112082A1 |
A controller (10) outputs a position command to a motor control device (20) that supplies current to a motor (31) to control the operation thereof. The controller (10) comprises: a program analysis unit (11) for analyzing an operation pr...
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WO/2023/111682A1 |
According to an embodiment, a DC/DC voltage converter (108, 112) is disclosed, configured as an electrical supply for a magnetic bearing control system (111) comprising a regulation unit, configured to regulate the DC/DC voltage converte...
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WO/2023/110189A1 |
The invention relates to a method for determining a temperature specification of a temperature of a component (21, 22) of an electrical machine (2) in a technical device (1), comprising the following steps: continuously detecting (S2) op...
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WO/2023/110204A1 |
The invention relates to a method for operating an electric motor (2) and for determining a component temperature (Trotor) of a component (21, 22) of the electric motor (2), said method having the following steps: providing one or more o...
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WO/2023/106331A1 |
A vehicle brake device (30) is mounted on a four-wheel vehicle (901, 905) in which wheels (91-94) are provided with a plurality of electric brakes (81-84) that each generate braking force on a corresponding wheel. The vehicle braking dev...
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WO/2023/104593A1 |
The present disclosure relates to an electric motor (100) having a motor terminal box (110) and a diagnostics-signaling unit (150), which is at least partly located within the motor terminal box (110). The diagnostics-signaling unit (150...
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WO/2023/107529A1 |
A driver system (100) operable to supply a drive signal to a motor includes a system input (106) adapted to be coupled to an input voltage and a system output (110) adapted to be coupled to the motor. The driver system (100) includes a h...
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WO/2023/105140A1 |
The invention relates to a method (100) for driving an assistance-providing motor (1) of a power-steering system of a vehicle, the assistance-providing motor comprising a first winding (21) electrically energized by a first inverter (31)...
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WO/2023/105957A1 |
To achieve the purpose of performing operation control for an actuator with higher accuracy, this actuator 1, which includes a reducer 15, a motor 12, and a control unit 31 for controlling the motor 12 on the basis of predetermined contr...
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WO/2023/100580A1 |
In the present invention, while satisfying constraints on power supply capacity, desired air flow-static pressure characteristics are satisfied without excessively limiting the drive current. The present invention comprises: a control ...
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WO/2023/100324A1 |
This deterioration discriminating device (1) comprises an antenna (10) and a deterioration discriminating unit (20). The antenna (10) generates reception signals by receiving electromagnetic waves of a microwave frequency band radiated d...
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WO/2023/099485A1 |
The invention relates to a method (20) for monitoring a drive unit (1) of a vehicle (10), the drive unit (1) comprising an electric motor (2) and a control unit, the method comprising the steps of: actuating (21) the electric motor (2) w...
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WO/2023/100300A1 |
A life prediction device (4) comprises: a life storage unit (44) for holding, as life data, the basic life of an object that is a device or a component constituting an industrial machine and the consumed life that is life consumed from t...
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WO/2023/099061A1 |
The invention relates to a method for operating an electric drive system (7) comprising: an electric machine (1) which has a rotor (3) having a rotor shaft (5); a sensor assembly for measuring a rotor angle (α) of the rotor (3); a trans...
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