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WO/2016/187883A1 |
A motor drive device and method, and a motor. The motor drive device comprises: a CLARK converter (17); a PARK converter (18); a first subtracter (21) for obtaining a direct axis current difference; a counter electromotive force detectio...
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WO/2016/180469A1 |
The present invention relates to an electric power steering apparatus (1) for assisting steering of a motor vehicle by conferring torque generated by an electric motor (7) to a steering mechanism (5), the apparatus (1) comprising a steer...
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WO/2016/181851A1 |
The present invention addresses the problem of correcting variation in the gain of a current sensor, without causing an increase in the cost and size of an inverter control device. This inverter control device (160) is equipped with a th...
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WO/2016/166444A1 |
Method of controlling an asynchronous electric machine of a power train of an automotive vehicle, comprising the following steps: a torque request ( Ce #)and the speed of rotation of the asynchronous electric machine are determined, a re...
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WO/2016/166443A1 |
The invention relates to a method according to which stator current set points are generated on the basis of an estimation of a selectively determined rotor magnetic flux, according to the operating conditions of the machine, depending o...
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WO/2016/163343A1 |
The objective is to provide a motor control device and an electric power steering device equipped with this motor control device, with which a frequency characteristic is set in accordance with the state of the control device, and the co...
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WO/2016/163788A1 |
A three-phase voltage-type inverter is disclosed. The three-phase voltage-type inverter comprises: a conversion unit for converting a three-phase AC current to a two-phase DC current; a calculation unit for detecting the angle between a ...
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WO/2016/163301A1 |
The present invention relates to a motor drive apparatus and a method of detecting phase currents of a three-phase brushless motor, and, more specifically, to a technique of detecting each phase current with one A/D conversion in one cyc...
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WO/2016/155893A1 |
The invention relates to a method for operating a controller apparatus (2) for controlling a drive apparatus (1) which has a load moment (M) and a moment (J) of inertia. During a constant-running phase in which a drive speed (12) of the ...
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WO/2016/158892A1 |
The purpose of the present invention is to reliably determine an abnormality in information of a rotor position detector 2 caused by a mechanical vibration, e.g., a vibration caused by a defective attachment thereof to a motor 1. Provide...
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WO/2016/157306A1 |
This control device (10) for an AC rotating machine (1) comprises: a current detecting unit (3); a command generating unit (4) that generates a voltage command using an inertia moment J; a speed estimating unit (6) that calculates an est...
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WO/2016/155922A1 |
The invention relates to a method for reducing noise of a motor (1) fed by a converter (2). In order to reduce the generation of noise, the magnetic flux (Φ) in the motor (1) should be changed such that the product of the fundamental os...
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WO/2016/161213A1 |
In described examples, a motor controller includes a function (42) for selecting a fractional delay compensation value (k) to be applied by a delay compensator (40) in the estimate of rotor position for which a transform function (36) ap...
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WO/2016/151014A1 |
The invention relates to a method for controlling a synchronous generator of a gearless wind energy turbine. Said synchronous generator comprises an electrodynamic rotor and a stator, for generating electrical power by rotating the rotor...
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WO/2016/154125A1 |
A field oriented control (FOC) system and method provides smooth field-oriented startup for three-phase sensorless permanent magnet synchronous motors (PMSMs) despite the absence of load information. The system uses the rotor flux projec...
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WO/2016/142599A1 |
The invention relates to a method for estimating the torque of an electric machine (4) of a hybrid or electric drive motor vehicle, wherein the power currents (ld, Iq, IF) of the electric machine (4) expressed in a two-phase reference fr...
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WO/2016/143481A1 |
A synchronization control unit 3 operates a power converter INV by means of V/f control, with a first on/off switch S1 being "off" and a second on/off switch S2 being "on". A utility synchronization current control unit 4 operates the po...
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WO/2016/139998A1 |
The purpose of the present invention is to provide a power conversion device in which stable and high-accuracy speed control characteristics can be obtained even during a regenerative operation. The output frequency value of the power co...
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WO/2016/139010A1 |
The invention relates to a method for detecting a control method of an inverter (11) for supplying current to an electric machine (1), in particular a synchronous machine, having N phases. The method comprises sensing a control signal (C...
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WO/2016/134908A1 |
The invention relates to a domestic refrigeration device (1) and to a method for operating a domestic refrigeration device (1). The domestic refrigeration device (1) comprises a heat-insulated body (10) with a coolable inner container (2...
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WO/2016/134877A1 |
The invention relates to a circuit arrangement and to a method for sensorless commutation of electronically commutated synchronous motors, such as for example EC motors, wherein the terminal sizes at the connection terminals of the synch...
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WO/2016/126782A1 |
A drive and motor system and method for a six phase machine with negligible common-mode voltage is provided. The six-phase machine includes six phase windings divided into at least two windings groups configured to generate a zero common...
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WO/2016/125567A1 |
A synchronous machine control device is provided with: a synchronous machine having a field permanent magnet; a stress estimator for estimating the stress acting on the permanent magnet; and a first magnet temperature corrector for calcu...
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WO/2016/125557A1 |
Provided is a motor drive device in which a 0-axis current can be controlled to a predetermined value. A motor drive device (inverter device 100) for an open winding-type motor 200 in which a stator winding comprises independent windings...
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WO/2016/121113A1 |
This inverter device is provided with: a converter circuit unit 11 that converts an alternating current voltage into a direct current voltage; an inverter circuit unit 12, which converts the direct current voltage into an alternating cur...
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WO/2016/121751A1 |
[Problem] To provide an inverter control apparatus and a driving system which are capable of estimating, with high accuracy, a rotation phase angle of a motor in a high-speed and low-load state. [Solution] An inverter control apparatus a...
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WO/2016/121373A1 |
This motor control device has at least a speed control unit for controlling the rotation speed of a motor. The motor control device is provided with a torque correction means for performing corrections to minimize variability of the torq...
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WO/2016/117672A1 |
A first operation part in a device for controlling a dynamo-electric machine performs control for a prescribed first region that is set in relation to a control amount, and a second region that is greater than the first region. As contro...
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WO/2016/098693A1 |
The purpose of the present invention is to prevent decreases in the precision of torque control that occur when DC bus current is controlled so as to be equal to or less than a desired limit value in an electric power steering device and...
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WO/2016/098487A1 |
A control device which controls a starter generator is provided with an electric current estimating unit and an applied voltage calculating unit. The electric current estimating unit estimates the electric current flowing between a batte...
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WO/2016/098032A1 |
Method for evaluating operating parameters of a synchronous machine (12) comprising, on the one hand, a stator, configured to generate an electromagnetic field rotating with respect to said stator, and, on the other hand, a rotor so that...
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WO/2016/092910A1 |
In a conventional control device, there has been the problem of low induced voltage estimation accuracy due to a q-axis current flow at low rotational speed in magnet temperature estimation during three-phase short-circuit operation. The...
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WO/2016/084260A1 |
A motor control device (1) for controlling the drive of a variable field motor (M) having a variable field mechanism capable of changing field magnetic flux comprises: a voltage command value calculation unit (12) configured so as to cal...
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WO/2016/079473A1 |
A method of controlling a motor in an electric supercharger when instructed to increase the speed of the motor to a target speed (2), the method comprising the steps of repeatedly:(i) calculating an adjusted target speed (13); (ii) deter...
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WO/2016/079791A1 |
The purpose of the present invention is to appropriately control the driving of a variable field motor in accordance with change in magnetic field. This motor control device (1) controls the driving of a variable field motor (M) having a...
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WO/2016/079394A1 |
The invention relates to a method for controlling a synchronous electric machine with a wound rotor for an electric or hybrid motor vehicle, comprising steps involving: measurement of the rotor and stator phase currents and voltages in t...
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WO/2016/080889A1 |
An electrical machine (1) comprises a rotor (20), a stator (10), a rotor power supply (50), at least one sensor (70) and a rotor magnetization control arrangement (60). The rotor has rotor windings (22) for controlling magnetization of r...
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WO/2016/076708A2 |
An electromagnetic brake system is described, the system comprising: an AC generator having an AC output terminal, the AC generator being configured to be engaged with a mechanical driving unit and configured to generate an output voltag...
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WO/2016/067665A1 |
The purpose of the present invention is to realize an inverter control device capable of determining the operation mode of a machine to be driven such as a compressor. The inverter control device (17) according to the present invention c...
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WO/2016/067721A1 |
Provided is a power conversion device capable of achieving a stable and highly precise velocity control characteristic even during a regenerative operation in a low-velocity region. This power conversion device is equipped with: a veloci...
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WO/2016/066546A1 |
The invention relates to a method for determining a rotor frequency (f) and/or a rotor angle (φ) of a rotor of a reluctance machine (2), in particular without an amortisseur, wherein the reluctance machine (2) has a stator having a stat...
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WO/2016/066941A1 |
1) The method for controlling a rotating electric machine according to the invention comprises a step of controlling the phase currents of the machine by means of a full-wave control (C). According to the invention, the full-wave control...
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WO/2016/065608A1 |
A decoupling control method and control apparatus for a current loop of a permanent magnet synchronous motor. The control method includes: acquiring d-axis and q-axis instruction currents of a permanent magnet synchronous motor under a d...
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WO/2016/056082A1 |
Provided is a power conversion device that takes control for detecting the current of an operating bus into account, suppresses the amount of bus current fluctuation, and has reduced power loss. In the control of a power conversion unit ...
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WO/2016/055197A1 |
The invention relates to a control device for an electric machine with a stator and a rotor, comprising a temperature detection device which is designed to detect the temperature of the stator and the temperature of the rotor, as well as...
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WO/2016/056083A1 |
Provided is a power conversion device and the like that are related to a control for detecting a bus current during operation, can obtain an average current with little calculation, and can be achieved with an inexpensive microcomputer. ...
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WO/2016/050043A1 |
The present invention relates to the field of variable-frequency air conditioners and specifically relates to an alternating-alternating variable-frequency air conditioner control method and a controller. The method comprises: acquiring ...
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WO/2016/052233A1 |
In this control device for an electric vehicle, a motor control unit (29) performs torque control by vector control of a motor (6) in accordance with a torque command map in which the relationship between a torque command that serves as ...
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WO/2016/050047A1 |
A single-phase variable-frequency air conditioner control method, which employs an FOC magnetic field-oriented vector control algorithm to serve as a three-phase inverter drive algorithm. The method comprises: acquiring a target compress...
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WO/2016/038296A1 |
The invention relates to a system for controlling an electrical asynchronous machine for an electric or hybrid motor vehicle including: a means for determining (4) a driver torque request; a means for determining (5) an operating point i...
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