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Matches 1 - 50 out of 25,320

Document Document Title
WO/2019/093300A1
[Problem] To provide a brushless DC motor identification method by which information about a brushless DC motor can be identified while handshakes are not especially needs to be performed. [Solution] The identification method according t...  
WO/2019/091996A1
The invention relates to a method for reducing the torque ripple and noise evolution in an EC motor (1) with single-phase feed by buffer-storing electrical energy in the EC motor (1), which is embodied with a power factor correction circ...  
WO/2019/092151A1
The invention relates to a device for controlling a system of a plurality of motor units (3, 4), which are operated by means of output-stage units (1a), fewer output-stage units (1a) than motor units (3, 4) being provided, the device hav...  
WO/2019/091560A1
The invention is directed to an electronically commutated electric motor and a method to control the same. The electronically commutated electric motor comprises a stator with at least one stator coll, a magnetized rotor rotatable relati...  
WO/2019/088245A1
This shift range control device (40), for controlling switching of the shift range by controlling driving of a motor (10), is provided with a signal acquisition unit (51) and a drive control unit (55). The signal acquisition unit (51) ac...  
WO/2019/087364A1
As a means for determining the presence or absence of a failure of a rotation sensor, a control device of a direct current (DC) motor is provided which is capable of using an output signal of an inexpensive Hall element to generate posit...  
WO/2019/087721A1
Disclosed are a motor control device capable of accurately estimating a rotor position on the basis of a neutral point potential even when a load acting thereon becomes large, and a brake control device driven by the motor control device...  
WO/2019/084584A1
The invention relates to a method for the sensor-free determination of the rotor position of a synchronously running three-phase machine (4), which is supplied via an inverter (3), wherein active inverter states excluding short circuit s...  
WO/2019/088927A1
The present invention relates to a system and method for suppressing a back electromotive force (EMF). The system and method are particularly relevant, but not limited to suppress or reduce the back EMF generated by a rotational motor dr...  
WO/2019/080998A1
The invention relates to a motor electric control unit (1) for an electric motor controlled by PWM with a PWM frequency, wherein each PWM period (A,B,C,D,E,F,G,H,I,J,K) has pre-calculated duty cycles and with a motor control frequency, w...  
WO/2019/081768A1
The invention relates to a method for the closed-loop and open-loop control of two or more EC motors operated using a common converter, wherein for the purpose of setting the operating point of the EC motors there is provision for common...  
WO/2019/083015A1
A motor control device for performing PWM control of an inverter for driving a three-phase brushless motor on the basis of a current command value, wherein the motor control device is provided with: a voltage command value computation un...  
WO/2019/082825A1
This control device (DU, DU1-DU3) for a rotating electrical machine is applied to a control system comprising: a rotating electrical machine (10) having a plurality of sets (14, 15) of multiphase winding wires wound around a stator (13);...  
WO/2019/082682A1
This motor drive device (30) is provided with a brushless DC motor (4) which has a rotor, an inverter circuit (3) which is configured comprising six switching elements (3a-3f) and which supplies power to the brushless DC motor (4), a pos...  
WO/2019/084280A1
Kickback control methods for power tools. One power tool includes a movement sensor configured to measure an angular velocity of the housing of the power tool about the rotational axis. The power tool includes an electronic processor cou...  
WO/2019/076525A1
The invention relates to a motor (LD) comprising: • a stationary part (STP), comprising: • a row of coil assemblies (UCA,LCA), the coil assemblies having multiple phases, • a movable part (MP), comprising: • a row of permanent ma...  
WO/2019/075616A1
Disclosed is an electric motor control method, comprising the following steps: when the position of a magnetic member changes relative to a magnetic detection device, acquiring a magnetic field parameter generated by the magnetic detecti...  
WO/2019/072327A1
The invention relates to a method for starting and operating a BLDC motor, wherein the BLDC motor has a rotor (1), a stator (2) and a control and evaluation unit (3), wherein the rotor (1) has exciter magnets, and the stator (2) has at l...  
WO/2019/072440A1
The invention relates to a method for operating an electric machine using block control, in which method, within the scope of controlling a torque of the electric machine, a pre-commutation angle (a) is set such that it does not exceed a...  
WO/2019/075104A1
In an embodiment of the present disclosure, a heating, ventilation, air conditioning, and refrigeration (HVAC&R) system includes a refrigerant loop and a compressor disposed along the refrigerant loop. The compressor is configured to cir...  
WO/2019/068542A1
The invention relates to a stator (12) for a rotating electrical machine (10), comprising: - a laminated core (14) which provides stator teeth (16) with respect to an air gap (18) of the rotating electrical machine (10), and - a stator w...  
WO/2019/063355A1
In a method for operating an electric machine (1), a first test signal (2) is fed into the electric machine (1), wherein a first response signal (3) is measured, wherein a first status variable (4) for the rotor (5) of the electric machi...  
WO/2019/066730A1
The object of the invention is an electromagnetic motor, or more specifically a motor that uses a magnet (mp), which is attached to a connecting element (mh), and propels the crankshaft (v) with adequate driving force, serving as a means...  
WO/2019/065170A1
The identification method according to an embodiment is used for an identification device for identifying the type of a brushless DC motor. A brushless DC motor includes an output terminal for outputting a signal. The output terminal can...  
WO/2019/058661A1
Provided is a control device for a shift-by-wire type transmission mechanism having: a plate which rotates with respect to an output shaft of a motor by rotation of the output shaft; and a transmission in which a shift position is switch...  
WO/2019/060571A1
Multiphase electromagnetic machines, such as free -piston engines or compressors, may require, or supply, a pulsed power profile from or to a DC bus, respectively. The pulsed power profile may include relatively large fluctuations in ins...  
WO/2019/056072A1
Various methods of optimizing the operation of a multiphase electric motor are disclosed, the methods including the step of: activating a series of bottom-side power switches during an off-time interval of the pulse measurement for each ...  
WO/2019/060753A1
A system and computer-implemented method for reducing an angle error in an estimated position of a rotor over various loads on an electric motor or type of electric motor. Electrical parameters of an electric motor are measured, a true r...  
WO/2019/059173A1
Provided is an angle detection device which is capable of reducing manufacturing time and labor while suppressing an increase in size. The present invention is provided with: a first rotating body (120); a second rotating body (122); a f...  
WO/2019/060644A1
Systems and methods are provided for braking a translator of a linear multiphase electromagnetic machine. The system detects a fault event, and in response to detecting the fault event, causes the translator to brake using an electromagn...  
WO/2019/058481A1
This motor control device is provided with: an inverter circuit, a first detection circuit, a second detection circuit, a smoothing circuit X, a third detection circuit; a control unit, which estimates the phase of a three-phase motor on...  
WO/2019/057309A1
The invention relates to a method (100) for breaking an electric motor (15) from an active operating state (10) which electric motor (15) is associated with a switching device (60). The method (100) comprises a step (110) in which at lea...  
WO/2019/053943A1
The purpose of the invention is to obtain, in a control device for a synchronous electric motor that switches the drive control of the synchronous electric motor between PWM drive control and rectangular wave drive control, a configurati...  
WO/2019/054475A1
This motor drive system (10) is provided with a motor (50), a dual-axis magnetic sensor (80), an alternating-type magnetic sensor (70), a magnetic pole rotary angle detection unit (60), and a motor control device (20). The alternating-ty...  
WO/2019/052640A1
The invention relates to a method for operating a permanently excited synchronous machine (1), which has a stator (2) having a stator winding, a rotor (3) and a thyristor controller (4) for controlling phase currents (iu, iv, iw) of the ...  
WO/2019/054091A1
[PROBLEM] To provide a motor driving device that excels in providing reliable detection values for the rotation angle of a motor. [SOLUTION] A motor driving device that drives a motor, said device comprising: three Hall elements that eac...  
WO/2019/052650A1
The invention is related to a method for monitoring a field oriented control (10) of an electric motor (1), the electric motor (1) comprises a rotor (2) and is driven by an electric current (5) comprising at least a first phase (6), the ...  
WO/2019/054089A1
[Problem] Provided is a motor drive device that is advantageous in terms of reliability of a detection value of a rotation angle of a motor, and cost. [Solution] A motor drive device that drives a motor, having: three Hall elements for o...  
WO/2019/048349A1
A method of controlling the commutation of a brushless direct current motor (BLDC) comprising: a) providing one or more sensors, said sensors adapted to provide a variable output dependent on the rotational angle of the motor or the rela...  
WO/2019/049343A1
An electric vehicle control device 1 according to an embodiment of the present invention is provided with: a reception unit 11 that receives signals incoming at intervals based on the rotational speed of a motor 3 for rotating a wheel 8 ...  
WO/2019/049344A1
An electric vehicle control device 1 is provided with: a reception unit 11 that receives a plurality of signals outputted from a plurality of sensors 4u, 4v, 4w provided correspondingly to respective phases of a motor 3 of an electric ve...  
WO/2019/049995A1
In the present invention an angle calculation unit (51) calculates a motor angle on the basis of a motor rotation angle signal obtained from a motor rotation angle sensor (13) that detects the rotational position of a motor (10). An acce...  
WO/2019/044287A1
The objective of the present invention is to provide a wiper device with which motor demagnetization can be prevented. For this purpose, a boost control unit 87, if a duty ratio has reached an upper limit value that is determined in adva...  
WO/2019/044717A1
A motor control device 110 is provided with: a difference calculation unit 113 which calculates a difference between a current number of revolutions and a target number of revolutions of a motor; a coefficient correction unit 117 which m...  
WO/2019/044684A1
The present invention comprises a signal generation unit that generates control signals for supplying a drive current of an AC voltage waveform to each of a plurality of phases of a motor using an inverter. In the signal generation unit,...  
WO/2019/042701A1
The invention relates to an arrangement (1) comprising an electronically commutated motor with an interface (10) for inputting analog desired value signals (S) for the motor, which is powered, during operation, by an AC network via an el...  
WO/2019/042562A1
The invention relates to an actuator (10) for a flap (6) or a valve (7). Said actuator comprises a motor (3'), a transmission (4) arranged downstream therefrom, an actuating connection (5) and an electrical connection (AN) for connection...  
WO/2019/043883A1
A sensor (110) detects the angle of the output shaft (101a) of a synchronous electric motor (101). A multi-turn processing unit (301) converts an angle of one or more turns detected by the sensor (110) to a multi-turn angle. A phase diff...  
WO/2019/039268A1
A control device (30) to be used in a system equipped with a dynamoelectric machine (10) having multi-phase winding groups (14, 15), and power inverter circuits (INV1, INV2) for applying a voltage to the winding groups by alternatingly t...  
WO/2019/038086A1
The invention relates to a method for operating an electronically commutated electric motor (10), in which method, during ongoing operation of the electric motor (10), in order to achieve an optimal operating point of the electric motor ...  

Matches 1 - 50 out of 25,320