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WO/2021/103150A1 |
A method, device and system for generating an electric motor braking signal, and a medium and an electric motor braking method. The method for generating an electric motor braking signal comprises: acquiring a first driving signal (S11);...
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WO/2021/100106A1 |
The present invention relates to a motor drive control device and a motor drive control system which are provided with a function of determining the brake release of a motor equipped with a brake. The motor drive control device and the m...
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WO/2021/101625A1 |
A power control system is provided for AC mains, including an input bridge rectifier connected to the AC power mains, and a buck regulator circuit connected to the DC output of the input bridge rectifier, the output of the buck regulator...
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WO/2021/099177A1 |
The invention relates to a method for controlling at least one servomotor (M, M1-M6) in a braking manner by means of a frequency converter (1) which comprises a rectifier circuit (3) connectable to an electric alternating-voltage network...
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WO/2021/098316A1 |
Disclosed are a control method and device for a robot. The method comprises: acquiring a braking instruction of a robot, wherein the braking instruction is used for instructing the robot to stop within a predetermined time period (S102);...
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WO/2021/098311A1 |
Disclosed are a dynamic braking circuit for an electric motor, and a dynamic braking method for an electric motor. After being rectified by a rectifier bridge module, an alternating current is converted, after being subjected to the filt...
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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/2021/094327A1 |
One aspect of the invention relates to a module for controlling a rotary electric machine for a motor vehicle, the control module comprising a calculating program, a value of the rotor coil voltage Vrot, a resistance value of the rotor c...
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WO/2021/088229A1 |
A star-connection circuit design method for an elevator permanent magnet synchronous traction motor, comprising: obtaining a plurality of torque-speed curves respectively corresponding to different series resistance values R1, R2, R3, R4...
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WO/2021/079920A1 |
The purpose of the present disclosure is to provide a power conditioning circuit, a drive system, an actuator system, a moving body, and a power conditioning method, in each of which loss based on the generating efficiency of the actuato...
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WO/2021/075365A1 |
A motor control device (40) is provided with: an energization control device (52): and an excessive return determination unit (55). The energization control device (52) controls energization of a motor (10). The excessive return determin...
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WO/2021/074345A1 |
The invention relates to a power supply system (1) for supplying an electric machine (2) having at least two winding groups (3), which are each connected to an inverter circuit (4) and are designed to supply the respective inverter circu...
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WO/2021/073050A1 |
Disclosed are a switch circuit, a motor control system, and a vacuum cleaner. The switch circuit comprises a power supply unit, an enable unit, a controller, and a switch unit, wherein the controller is used for, when a receiving end rec...
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WO/2021/069925A1 |
A robot arm (202) comprising: a first link (204) connected to a second link (204) by a joint (205), the joint (205) permitting the second link (204) to move relative to the first link (204); a motor (208) for driving the joint (205); and...
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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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WO/2021/063569A1 |
The invention relates to a protection device (1) for operating an electric machine (33) at a converter (3), comprising a first and a second conductor (4, 5) of a direct current link (2), a switching device (6) having a first and a second...
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WO/2021/039649A1 |
An electric vertical take-off and landing aircraft (100) is provided with: a rotary wing (30); a shaft (19, 191, 192) connected to the central axis of the rotary wing; a motor (11) that has a rotor (112) connected to the shaft, and rotat...
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WO/2021/028862A1 |
The invention in question describes the electro-mechanical braking system, its operation and application procedures for a safe, controlled and uniform motion of various objects in motion, such as doors, partition walls, bulkheads, barrie...
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WO/2021/018514A1 |
A method of braking in an electrically powered vehicle, said vehicle including a drive system which includes a multi-phase motor electric motor, said motor comprising at least one stator group; said stator group comprising a first stator...
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WO/2021/008754A1 |
The invention relates to a lift system (1), comprising: at least one lane (2VL, 2VR, 2H), at least one lift car (5), guide rails (22V, 22B, 22H) for guiding the lift car (5) along the lane; a drive pinion brake (9) which is designed to b...
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WO/2021/008727A2 |
The invention relates to a method and a system for operating a system comprising an energy storage device and a resistor. According to said method, in order to discharge the energy storage device, an electric power (P) which is constant ...
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WO/2020/249456A1 |
Provided is a swing door operator (110) for moving a door leaf (120) between a first position and a second position. The swing door operator (110) is arranged to operate in a powered and a powerless mode and comprises a permanent magnet ...
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WO/2020/251838A1 |
Apparatus and method for motor braking using selectively connectable resistance. The method includes controlling, using a motor controller of the power tool, a power switching network to drive a motor of the power tool in response to act...
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WO/2020/237341A1 |
The present invention relates to a method and system for identifying failure in a compressor (4) of a cooling system employing an implementation of at least a failure identification logic and a braking logic, based on monitoring of at le...
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WO/2020/204034A1 |
Provided is an overload protection device that can control overload of a motor by means of more accurate torque values. An overload protection device that comprises a current measurement means that sequentially measures the current flo...
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WO/2020/201113A1 |
An automatic door operator is disclosed, including a main control circuit, an actuating unit configured to output torque, and a transmission device. The main control circuit controls operation of the actuating unit to drive a movement of...
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WO/2020/201169A1 |
A description is given of a safe torque off device (15) for interrupting the generation of torque by a lift installation (1) drive machine (9) supplied by a power supply device (13), which may for example be part of an inverter device (1...
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WO/2020/204638A1 |
A motor control system comprises: a motor comprising motor windings; and electric control units connected with the motor, each of the electric control units comprising an inverter. One of the electric control units comprises: a direct cu...
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WO/2020/204636A1 |
A motor control system shorts motor windings of a motor by using junction gate field-effect transistors (JFETs) controlled bipolar junction transistors (BJTs), solid state relays (SSRs) controlled BJTs, and depletion mode metal-oxide-sem...
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WO/2020/191996A1 |
The present invention relates to the technical field of motor driving, and provides a motor driving circuit and system. The motor driving circuit comprises a forward rotation driving port, a reverse rotation driving port, and first to fo...
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WO/2020/195797A1 |
This control device is for controlling the operation of an electric motor configured so that a rotational shaft thereof can be rotated by an external force. The control device is characterized in that: when it is detected that a voltage ...
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WO/2020/187346A1 |
The invention relates to a power supply system for at least one system for transporting and/or machining workpieces (9), having a plurality of electric drive units (264, 297, 490). The supply grid (610, 620) of the drive units (264, 297,...
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WO/2020/182273A1 |
A trigger apparatus for a powered device, such as a power tool is disclosed. The powered device comprises a trigger operable by a user to move from a first position to at least one second position so as to control an operation of the pow...
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WO/2020/177823A1 |
A linear electric actuator system, preferably for patient lifters, comprising at least one linear electric actuator and a controller having a power limiting circuit for limiting the power to the at least one linear electric actuator. The...
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WO/2020/160841A1 |
The invention relates to a drive system comprising an inverter and electric motor and a method for operating a drive system, wherein the electric motor is supplied from the AC-voltage-side connection of the inverter, wherein a first seri...
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WO/2020/158434A1 |
A shift range control device (40) switches a shift range by controlling driving of a motor (10). An angle calculation unit (51) calculates a motor angle on the basis of a signal from a rotational angle sensor (13) that detects a rotation...
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WO/2020/158458A1 |
This shift range controller (40) switches the shift range by controlling driving of a motor (10) which comprises a rotor (105) that is rotated by energizing a motor winding (11). An angle calculation unit (51) calculates the motor angle ...
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WO/2020/151914A1 |
The invention relates to a drive system and method for operating a drive system, comprising an electromagnetically actuatable brake, an electric motor (M) and an electronic circuit, wherein the brake has a coil (L) that can be supplied w...
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WO/2020/147742A1 |
A linear motor drive chip braking method and apparatus, the method comprising: when the value of a first enabling signal is a first preset value and the time for which a counter-electromotive force is not over zero is shorter than or equ...
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WO/2020/139791A1 |
A regenerative braking energy dissipater system which is adapted to dissipate energy from a regenerative brake in the case when the battery cannot accept further energy. The system may switch the energy flow from the battery to a dissipa...
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WO/2020/128029A1 |
The invention relates to a system (1) for controlling a voltage converter comprising a plurality of top side switches forming a top set and a plurality of bottom side switches forming a bottom set, the control system (1) comprising: - a ...
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WO/2020/131615A1 |
A self-powered motor braking mechanism (24) includes a dedicated power source (26) sized for braking the respective motor (14) and a dedicated braking circuitry (50) configured to provide hybrid braking of the motor to a targeted stop. T...
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WO/2020/126794A1 |
The invention relates to a method for operating switching elements (20,22,24,26,28,30) of an inverter (16,18) of a vehicle (10) driven by way of a three-phase synchronous machine (12,14), in which the inverter (16,18) has a series circui...
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WO/2020/119335A1 |
The present invention provides a wireless control motor start and stop system, comprising a motor, an alternating current contactor S3, a relay K1, a switch S1, a switch S2, a relay K2, a relay K3 and a control module, the control module...
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WO/2020/120233A1 |
The invention relates to a motor control device (3) for a motor unit (2) comprising: a control unit (4); a safety stage (S) for setting a safety state (STATE1, STATE2) of the motor unit (2); a driver stage (5); and a power bridge circuit...
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WO/2020/115630A1 |
DAHLANDER electromotor startup module automatically (after modifying the factors that cause the DAHLANDER electromotor to stop) used to launch and control the DAHLANDER electromotor in the field of industrial electricity. This module is ...
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WO/2020/110652A1 |
An electromagnetic brake control device which controls a non-excitation operation type electromagnetic brake comprising: an output terminal for connecting the electromagnetic brake; and, a brake control unit which outputs a brake control...
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WO/2020/098994A1 |
The invention relates to a motor control device (1) for a three-phase brushless DC motor (2). The motor control device (1) comprises a converter (3), which has an electric half-bridge (3.1, 3.2, 3.3) with two electronic switches (H1, H2,...
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WO/2020/092400A2 |
An auto-balance hill-hold apparatus and method for arresting unintentional roll after coming to a stop on a hill or slope in vehicles powered by magnetic synchronous motors by automatically determining and rapidly applying the appropriat...
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WO/2020/079132A1 |
The invention relates to a switching apparatus (10) for controlling the supply of power to an electrical load (40). In order to be able to ensure reliable switching behaviour even in the event of loss of supply voltage (UB) for the switc...
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