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Matches 1 - 50 out of 9,912

Document Document Title
WO/2018/185877A1
This motor control device is provided with: a power conversion circuit which applies a voltage to a motor in response to a voltage command value; a current detection means which outputs a current detection value, i.e. a value obtained by...  
WO/2018/180087A1
This method for correcting the detected rotation angle of a PM motor includes: a step (S3) of imparting, to a PM motor, a command value of a prescribed rotation speed and a prescribed torque command value; a step (S4) of driving the PM m...  
WO/2018/179822A1
The purpose of the invention is to improve an initial speed estimation method in sensorless vector control of an induction motor, thereby reducing time required for estimation and estimating initial speed with high-speed and a reduced to...  
WO/2018/182196A1
The present specification relates to a motor control module, a motor control device, a motor control system, and a motor control method, and the purpose of the present specification is to provide a motor control module, a motor control d...  
WO/2018/181506A1
According to the present invention, a compressor electric motor is caused to generate preheat. The path of an integral value over time of a unit voltage vector constituting a voltage vector serving as a unit which is a constituent of an ...  
WO/2018/173102A1
A magnetic pole position detection device of a motor control device comprising a computation unit for estimating the position of a magnetic pole. The computation unit: generates a three-phase connection voltage pulse command for operatin...  
WO/2018/162335A1
The present invention discloses a control system for an electric machine. In order to control the electric machine, predetermined frequency components are extracted from manipulated variables or measurement variables of the electric mach...  
WO/2018/163420A1
An electric vehicle propulsion control device is provided with: a power converter for applying an AC voltage to an induction machine; and a control unit for controlling the power converter on the basis of an external operation command. T...  
WO/2018/159100A1
This motor control method includes: a step in which the combined magnetic flux, the stator current, and the stator voltage are acquired from a phasor representation using an αβ fixed coordinate system or a dq rotary coordinate system a...  
WO/2018/159102A1
This motor control method includes: a step in which the combined magnetic flux and the stator current are acquired from a phasor representation using an αβ fixed coordinate system or a dq rotary coordinate system as a reference; a step...  
WO/2018/159099A1
This motor control method includes: a step in which the armature magnetic flux, the combined magnetic flux, the stator current, and the stator voltage are acquired from a phasor representation using an αβ fixed coordinate system or a d...  
WO/2018/159101A1
This motor control method includes: a step in which the stator current and the stator voltage are acquired from a phasor representation using an αβ fixed coordinate system or a dq rotary coordinate system as a reference; a step in whic...  
WO/2018/159341A1
Disclosed is a robot control method for controlling, using a servomotor, motions of a robot arm. In this robot control method, in the cases where an outside air temperature is at a predetermined value or lower (step 15-3), the absolute v...  
WO/2018/159104A1
This motor control method includes: a step in which the combined magnetic flux, the stator current, and the stator voltage are acquired from a phasor representation using an αβ fixed coordinate system or a dq rotary coordinate system a...  
WO/2018/159103A1
This motor control method includes: a step in which a combined magnetic flux vector, the stator current, and the stator voltage are acquired from a phasor representation using an αβ fixed coordinate system or a dq rotary coordinate sys...  
WO/2018/155949A1
The present invention relates to a motor driving device and a home appliance including the same. A motor driving device according to an embodiment of the present invention comprises: an inverter which includes a plurality of upper arm sw...  
WO/2018/156683A1
A system parameter identification system uses a combination of relay control and sinusoidal injection to derive accurate estimates of system parameters of a controlled system or process while satisfying the rate-limit associated with som...  
WO/2018/154621A1
Provided is an elevator capable of ensuring stable operation of an elevator car in the event that no magnetic pole position signal can be obtained from a magnetic pole position sensor. This elevator is provided with: a synchronous electr...  
WO/2018/152177A1
A system for detecting and eliminating harmonic effects in the DQ plane of the non- sinusoidal back EMF voltages is provided. The system is a field oriented controller (FOC) that includes a poly-phase electric machine, proportional-integ...  
WO/2018/147465A1
[Problem] To provide an electric power steering device which has a plurality of dead time (DT) compensation functions that perform DT compensation, wherein the DT compensation functions are switched between to perform compensation in acc...  
WO/2018/146793A1
Provided is a control device for an inverter that drives a motor including a magnet, the control device including: a rotation sensor that detects the rotation state of the motor; a current sensor that detects the current in the motor; an...  
WO/2018/145498A1
A reinforcement learning algorithm-based self-correction control method for a double-fed induction wind generator. According to the method, an RL controller is added to a PI controller of a vector control system based on PI control to dy...  
WO/2018/142445A1
In a drive control unit 7 which carries out vector control of a synchronous motor 3, when the speed of the synchronous motor 3 is at or above a prescribed threshold value, a value obtained by adding a correction angle, at which the D-axi...  
WO/2018/139331A1
The purpose of the present invention is to obtain a motor power conversion device capable of accurately calculating motor average efficiency and motor power loss amount in a driving operation in which a motor frequently repeats a powerin...  
WO/2018/132291A1
The subject matter of this specification can be embodied in, among other things, a motion control apparatus that includes a brushless DC motor to actuate a mechanical output based on a collection of phase power signals, a collection of f...  
WO/2018/130793A1
A control system for a multiphase and synchronous rotating electrical machine comprising a stator (31) and a rotor (30), said control system comprising: - an electronic card (16) for generating stator switching signals according to a cur...  
WO/2018/119539A1
The present invention relates to a constant slip control (CSC) method for variable-speed drives of asynchronous electric motors that deliver high control efficiency, which succeeds at delivering the load torque with lower stator current ...  
WO/2018/120323A1
A servo control strategy which simultaneously eliminates counter potential and load torque disturbances and a system, which estimate the total disturbances of an electrical portion on the basis of a nominal model of an armature winding a...  
WO/2018/123516A1
A motor control device according to an embodiment of the present disclosure includes: a first circuit 10 that determines the d-axis zero-order current and the q-axis zero-order current; a second circuit 20 that determines the d-axis 6th-...  
WO/2018/123524A1
A power generation device comprising: an electric motor (18) that has a first object, a second object, permanent magnets, and windings (15, 16, 17), and that generates an electromotive force in the windings by relative motion between the...  
WO/2018/115772A1
This method for determining a direct-axis inductance (Ld) and a quadrature-axis inductance (Lq) of an electric machine (102) includes: at least one testing step including: controlling the electric machine (102) so that a stator (106) of ...  
WO/2018/115406A1
The invention relates to a drive system (100) having the following: a three-phase motor (10) which has the following: a shaft (11), a first three-phase stator winding (12) that is to be connected to a three-phase alternating voltage grid...  
WO/2018/109698A1
A method for closed-loop control of the velocity of a brushless d.c. motor that supplies a torque (τ) to a rotating mechanical member, including carrying out a control of a FOC (Field-Oriented Control) type (10, 20) comprising obtaining...  
WO/2018/108322A1
Method for determining the angular position of the rotor of an inverter-fed synchronous motor, wherein the inverter is controlled by signal electronics with a controller unit, in particular having a computer unit and a memory, wherein th...  
WO/2018/102872A1
A controller for an AC electric motor, the controller including: a power converter driving the AC electric motor; a feed forward converter that derives voltage values provided to the power converter; and a load model unit configured to d...  
WO/2018/103581A1
A method and system for estimating a rotor resistance of an induction motor. The method comprises: based on a model reference adaptive system, respectively establishing a magnetic flux current model and a magnetic flux voltage model for ...  
WO/2018/100626A1
[Problem] To provide a device for controlling a permanent magnet synchronous motor and a method of control therefor that make it possible to estimate magnetic pole positions of a non-salient-pole permanent magnet synchronous motor even w...  
WO/2018/099187A1
A control method and control device for a motor drive system, and a variable-frequency air conditioner. By means of detecting a DC bus voltage value and a three-phase current value for driving a motor (S10), and according to a DC bus vol...  
WO/2018/095632A1
The invention relates to the protection of an electric drive system. If a voltage spike occurs on the input of a current converter of the electric drive system via the intermediate circuit, then in order to dissipate said voltage spike i...  
WO/2018/095530A1
An adaptive control system (2) for controlling a plant (3) is disclosed. The adaptive control system comprises a control system (5) configured to generate drive signals (16) for the plant in dependence upon a reference signal (8) and an ...  
WO/2018/091847A1
The invention mainly relates to a rotating electrical machine (7) arranged to operate at least in motor mode, in particular for an electrical turbocharger (1) of a motor vehicle, comprising: a stator (9) having a winding equipped with a ...  
WO/2018/090782A1
The invention discloses an online identification method and apparatus for motor stator resistance, and a motor control system. The method comprises the following steps: injecting a preset current to a d axis of a synchronously rotating d...  
WO/2018/090783A1
A method for online identification of motor stator resistance, an apparatus and a motor control system, wherein the method comprises the following steps: injecting a preset current into a d axis of a synchronous rotation dq axis system (...  
WO/2018/089581A1
To avoid control failure resulting from startup of a PMSM that is windmilling (15), initial speed and position are determined before startup (5). A controller uses a FOC routine having a speed PI control loop, field-weaken control, a cur...  
WO/2018/083758A1
A control device for an electric generator/motor has an armature winding and a field winding and is provided with: a bridge circuit for performing energization to the armature winding; a field circuit for performing energization to the f...  
WO/2018/084233A1
Provided is a brake device capable of high-accuracy control for causing a brake force estimate value to follow a brake force command value by angle-sensorless control, and also capable of achieving cost reduction or the like. This dynamo...  
WO/2018/080996A1
A closed loop flux weakening method and apparatus are provided. The closed loop flux weakening apparatus may include a difference circuit that obtains a difference between a q-axis reference voltage and a q-axis voltage, a controller tha...  
WO/2018/077718A1
A method of automatically adapting the magnetic characteristics of a synchronous reluctance motor (2), of the type that comprises a stator (3) housing a rotor (4) therein and defining at least one pair of axes of minimum and maximum magn...  
WO/2018/077896A1
A method for designing an estimation module (118) for estimating an angular position of a rotor (104) of an electrical machine (102) relative to a stator (106) of the electrical machine (102), on the basis of phase currents ([i]) intende...  
WO/2018/068395A1
An electric motor driving system without an electrolytic-capacitor, and a current control method and a current control apparatus therefor. The method comprises: acquiring a current actual supply voltage, a current rotating speed instruct...  

Matches 1 - 50 out of 9,912