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WO/2022/128669A1 |
The invention relates to a method for operating a synchronous machine (3) in a power train (2) of a motor vehicle (1), wherein the synchronous machine (3) is operated by controlling an inverter (5) assigned to the synchronous machine (3)...
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WO/2022/131999A1 |
A method performed in a control unit of a power tool driven by an electric motor, for detecting a fault state in the power tool, wherein the electric motor is associated with a motor current drawn over a motor interface, the method compr...
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WO/2022/122382A1 |
The invention relates to a circuit assembly for better decelerating a rotating electric machine by means of a three-point inverter. For this purpose, an electric resistor is provided between a central terminal and an outer terminal of th...
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WO/2022/120820A1 |
Embodiments of the present disclosure provide a robot control system, a robot control method, and a robot. The robot control system comprises: a motion control unit configured to perform motion control of a robot; a rectifier control uni...
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WO/2022/117253A1 |
The invention relates to a method for operating an electric machine (2) comprising a rotatably mounted rotor and a motor winding that is electrically connected to an electric energy store (4) by means of power electronics (3). In said me...
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WO/2022/109702A1 |
This invention refers to a rheostatic braking method, applied on a BLDC motor (10) used in hermetic compressors, comprising: selecting a first phase and a second phase, connected to the BLDC motor (10), which will be short-circuited, at ...
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WO/2022/111813A1 |
The invention relates to the application domain of vehicle electric motor digital control and more specifically to the domain of functional safety mechanisms associated to that.
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WO/2022/109490A1 |
A power pack for a power tool that controls and expels energy from motor operations. The power pack includes an electric motor powering the power tool, and non-transitory computer readable storage media having computer executable instruc...
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WO/2022/101460A1 |
A monitoring device (112) for monitoring an electric motor (114), specifically of a laboratory system (110), is disclosed. The monitoring device (112) comprises: A. at least one receiving unit (116) configured for receiving information o...
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WO/2022/099669A1 |
An electric tool (100) and a three-phase electric motor (10) control device and method thereof. The control device (20) comprises: a switch unit (21) configured to comprise a first switch unit and a second switch unit, the first switch u...
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WO/2022/096818A1 |
The invention relates to a method for controlling an inverter connected to an electric traction motor of a vehicle, performed by a control device supplied by a so-called low-voltage power supply, and for applying a safety operating mode ...
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WO/2022/092304A1 |
With the aim of improving the reliability of an electric power converting device for driving a motor, this electric power converting device is provided with a rectifying portion for rectifying an alternating current and outputting a dire...
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WO/2022/091419A1 |
In order to improve the reliability of a motor driving power conversion device, this power conversion device is provided with: a rectifier unit for rectifying AC voltage to output DC voltage; a smoothing capacitor for smoothing the DC vo...
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WO/2022/086383A1 |
A hand-held electrically powered cut-off tool (100) for cutting concrete and stone by a rotatable cutting disc (105), the cut-off tool (100) comprising an electric motor (130) arranged to be controlled by a control unit (110) via a motor...
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WO/2022/086382A1 |
A hand-held electrically powered cut-off tool (100) for cutting concrete and stone by a rotatable cutting disc (105), the cut-off tool (100) comprising an electric motor (130) arranged to be controlled by a control unit (110) via a motor...
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WO/2022/086380A1 |
A hand-held electrically powered cut-off tool (100) for cutting concrete and stone by a rotatable cutting disc (105), the cut-off tool (100) comprising an electric motor (130) arranged to be controlled by a control unit (110) via a motor...
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WO/2022/070490A1 |
In a rotation device (10) that is coupled with a rotated body (20) and comprises a motor (11) that rotates this rotated body (20) and a rotation control unit (13) that controls the operation of the motor (11) and also performs an emergen...
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WO/2022/060461A1 |
An example system includes a first surge protection module configured to receive a command signal; a motor control module configured to receive: (i) the command signal from the first surge protection module, and (ii) an enable signal, wh...
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WO/2022/047438A1 |
In some aspects, a controller may obtain a back electromotive force (BEMF) signal associated with a haptic feedback component, wherein the BEMF signal is generated by movement of the haptic feedback component. The controller may determin...
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WO/2022/045563A1 |
The present invention provides a ventilating apparatus equipped with a panel and a motor, a circuit assembly, and a control method thereof, wherein the apparatus can stop the operation of the motor and notify a user of a panel opening si...
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WO/2022/033725A1 |
The invention relates to a control unit (1) for a motorized device (10) comprising: a brushless motor (20), a power supply (30), an operating unit (40), which can be activated by a user, wherein the control unit (1) is designed at least ...
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WO/2021/255371A1 |
This electromechanical installation (100) for an aircraft comprises: - an electrical network (102) comprising electrical subnetworks (104, 106); - a turbogenerator (118) comprising a gas turbine (120), an electricity generator (122) with...
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WO/2021/254968A1 |
The invention relates to a method for operating an electric powertrain (11) for a working machine (10). The powertrain (11) comprises a working drive (20) with an electric drive motor (21) and a travel drive (30) with an electric travel ...
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WO/2021/252588A1 |
Systems and methods for braking a power tool motor based on a phase voltage of the motor. The power tool includes a motor and a power source providing operating power to the motor. A power switching network is between the power source an...
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WO/2021/237272A1 |
Energy saving and sustainability have become hot topics nowadays. Electric transportation applications, such as electric vehicles, always pursue higher energy efficiency other than applications with secured power sources. Therefore, lots...
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WO/2021/239386A1 |
The present invention relates to establishing a rotational speed-dependent safe operating mode. For this purpose, two redundant control paths are provided and are each designed to establish either an active short-circuit or a freewheelin...
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WO/2021/233920A1 |
The device (30) for braking an electric motor comprises a rotor (54) provided with two brushes (50, 51) and a stator comprising at least two half-coils (48, 49) connected in series to the brushes while the motor is nominally activated. S...
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WO/2021/224025A1 |
A linear brake (LBR) with a brake housing which at least partially engages around a guide rail (F) and in which there are situated spring packs (2.1) as force stores which subject one or more brake pistons (3), which engage over the guid...
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WO/2021/224219A1 |
The invention relates to a method for controlling a hatch assembly (1) of a motor vehicle (2). The hatch assembly (1) has a hatch (3) and a drive assembly (4) for adjusting the hatch (3) over an adjustment range of the hatch (3) using a ...
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WO/2021/208121A1 |
Disclosed in embodiments of the present application is a method for quickly stopping a vibration system, comprising: obtaining an initial vibration waveform to be processed; determining a balancing voltage signal of the initial vibration...
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WO/2021/200375A1 |
Provided is a technique capable of suppressing the increase of the current capacity of a drive unit for electrically driving the magnetic axis support mechanism of a turbo compressor. A drive device 100 is provided with: a DC link circui...
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WO/2021/200456A1 |
When a torque command value (T*) is greater than or equal to zero, this electric motor control device estimates the rotational speed (ω) of an electric motor (M) and a rotor position (θ) from d-axis current (Id) from which noise is rem...
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WO/2021/193456A1 |
A first transistor Tr1 and a second transistor Tr2 are diagonally positioned in a full bridge circuit. The first diode D1 is provided between a first output terminal OUT1 and a negative electrode power supply line 104. A Darlington circu...
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WO/2021/185491A1 |
The invention relates to a circuit (1000) for controlling an electromechanical holding brake (2), having: at least one half-wave rectifier (3, 4), which generates a pulsed DC voltage (UB) from a mains AC voltage (UL1, UL2), and a phase p...
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WO/2021/181807A1 |
In an electric parking brake device for a vehicle, a control unit (C) that controls the operation of an electric motor (41) includes: a slope computing means (87) that computes the slope of a detected current value obtained by a current ...
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WO/2021/181810A1 |
Provided is an electric parking brake device comprising: an electric actuator capable of, during reverse rotation of a forwardly/reversely rotatable electric motor, applying a load to the electric motor; a current detecting means that de...
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WO/2021/176653A1 |
Provided are an articulated robot and a motor driving device that can start brake control more rapidly while suppressing recoil generated by the brake control when an abnormality related to driving of a motor occurs. The articulated ro...
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WO/2021/175360A1 |
The invention relates to a method for controlling a motor braking procedure for an electric motor (12) that provides a drive torque for a vehicle and is driven electrically by an inverter circuit (20) having a plurality of switching elem...
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WO/2021/165371A1 |
The invention relates to a safety module (100) for safe drive control of a drive system (107) in an automation system (200), said safety module (100) being designed for: receiving, by means of the protocol master (101), encoder data tran...
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WO/2021/151456A1 |
The invention relates to a drive system (1) comprising a frequency converter (2), at least one drive unit (3), and a power supply (4), wherein the drive unit (3) has an electric motor (M) and at least one further component (36) consistin...
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WO/2021/152971A1 |
The present invention lowers a voltage of a DC link capacitor to a fixed voltage level when a switch for connecting a DC power source and an inverter is opened. A motor driving apparatus 10A is provided with: an inverter 20 that includes...
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WO/2021/151667A1 |
The invention relates to a method for controlling a servomotor (M, M1-M6) by means of a converter (1), comprising the steps of: monitoring a circuit of the constant-voltage DC link (4) for a flow of electric current, which circuit is con...
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WO/2021/147579A1 |
Disclosed is a fireproof smoke-blocking electric motor brake control circuit, comprising a power supply (1), a two-way relay (2), a diode (3), a capacitor (4) and a brake coil (5), wherein the two-way relay (2) switches the brake coil (5...
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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/2021/127342A1 |
Systems and methods for braking a power tool using a stamped brake resistor. The power tool includes a motor, a trigger configured to be actuated, and a brake switch coupled to the motor. A brake resistor assembly is selectively coupled ...
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WO/2021/124773A1 |
Provided is a robot (100) in which a resistor circuit unit (60) is configured to, when a motor (30) is to be turned off at abnormal shutdown, carry out control for reducing the braking force of a dynamic brake by changing the resistance ...
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WO/2021/118112A1 |
A current measurement apparatus for a three-phase inverter, according to one embodiment of the present invention, comprises: a current detection element connected to a lower end of one of three lower switches constituting the inverter; a...
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WO/2021/114418A1 |
Provided is an electric motor drive circuit. Short-circuit connection control can be performed on a current-limiting resistor (R1) and an electric motor at the same time by using an independent relay (2), thereby saving on costs. Moreove...
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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/2021/110401A1 |
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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