| Document |
Document Title |
|
WO/2017/130842A9 |
In order to suppress pulsing of the current wave peak value and reduce the maximum value of the phase current, in this motor control device 10, a voltage phase detection unit 126 configures the voltage phase θvt of the applied voltage a...
|
|
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...
|
|
WO/2018/069865A2 |
Disclosed are a flux observer for an induction motor, and a flux estimation method for an induction motor. The flux estimation method for the induction motor is characterized by including: a step in which a current model flux observer re...
|
|
WO/2018/069726A1 |
A control system for an electric motor circuit comprises a current controller which produces a set of idealised voltage demands for the motor circuit, an observer which observes the inputs to the motor circuit and the outputs of the moto...
|
|
WO/2018/061546A1 |
The present invention is a control device for a power converter with which a ripple component in direct-current voltage can be suppressed. The power converter converts a direct-current voltage (Vdc) containing a ripple component (Vdch) i...
|
|
WO/2018/064663A1 |
A system including a control system is provided. The control system includes a main drive that receives power from a power source and outputs a variable frequency and a variable amplitude AC voltage. The control system also includes a co...
|
|
WO/2018/061342A1 |
The inverter device is provided with: a converter unit (21) for performing full-wave rectification of a three-phase alternating-current voltage and outputting a direct-current voltage containing a pulsating component having a frequency s...
|
|
WO/2018/056394A1 |
Provided is a motor driving device capable of suppressing load vibration as well as reducing motor loss. This motor driving device (50) is provided with a control unit (51) which adjusts the range of the allowed variation in the rotating...
|
|
WO/2018/048641A1 |
An example system may include a motor, a position-controlled motor controller configured to drive the motor to a commanded position with a characteristic acceleration profile, and a control system. The control system may be configured to...
|
|
WO/2018/043502A1 |
This inverter control device according to one embodiment generates a current amplitude command so that the output torque of an electric motor conforms to a torque command, the inverter control device comprising: an inverter main circuit;...
|
|
WO/2018/042672A1 |
A motor control device of the present invention is applied in a configuration in which a plurality of synchronous motors mechanically connected in parallel with each other are driven by means of a single power converter, and is provided ...
|
|
WO/2018/043499A1 |
An inverter control device and a motor drive system according to a mode of embodiment of the present invention perform accurate current control, and are provided with: an inverter main circuit INV which drives a synchronous motor M; a cu...
|
|
WO/2018/039513A1 |
In an example embodiment, a controller includes a memory (336) having computer-readable instructions stored therein and a processor (332). The processor is configured to execute the computer-readable instructions to: determine a first se...
|
|
WO/2018/037981A1 |
[Problem] To provide an electric power steering device that has a plurality of dead time compensation functions that compensate inverter dead time and, without tuning work: switches dead time compensation functions and compensates, in ac...
|
|
WO/2018/037980A1 |
[Problem] To provide an electric power steering device that has a plurality of dead time compensation functions that compensate inverter dead time and, without tuning work: gradually, by mixing, switches and compensates dead time compens...
|
|
WO/2018/037191A1 |
The invention relates to a method for estimating a periodic or substantially periodic force present in a mechanical or electromechanical system, the method comprising: estimating, by a processing device, one or more harmonic frequencies ...
|
|
WO/2018/033378A1 |
The present invention provides control of a synchronous machine with non-sinusoidal current-voltage profiles. The synchronous machine is controlled in a field-oriented coordinate system. In this case, the transformation between field-ori...
|
|
WO/2018/032352A1 |
An optical sensor for estimating positions of rotors in a motor comprises an optical source (21) and a plurality of photo detectors (22), the motor further has stators and is used for e-machines, the optical source (21) is mounted on the...
|
|
WO/2018/030209A1 |
Provided is a motor control method that comprises: a step for acquiring at least one measurement torque angle and two estimation torque angles; a step for finding all combinations of two torque angles that can be combined with respect to...
|
|
WO/2018/028067A1 |
An online parameter identification method and apparatus for a three-phase asynchronous electric motor. The online parameter identification method for a three-phase asynchronous electric motor comprises the following steps: acquiring a st...
|
|
WO/2018/024963A1 |
The invention relates to a means for detecting the blocking of a brushless synchronous motor for a motor vehicle, comprising a stator fitted with a plurality of coils and a rotor, said motor being devoid of any position sensor of the rot...
|
|
WO/2018/024571A1 |
The present invention relates to an electrical household appliance with a power module with a dynamically controlled continuous and discontinuous space vector pulse width modulation (CSVPWM, DSVPWM) scheme. The present invention more par...
|
|
WO/2018/019177A1 |
A motor vector control method and apparatus, and an aircraft. The method comprises the following steps: receiving a pulse position modulated (PPM) signal (S1); acquiring a first given voltage signal of a motor according to the PPM signal...
|
|
WO/2018/018671A1 |
Disclosed are a fault-tolerant permanent-magnet vernier cylindrical electric motor with an electromagnetic suspension and a fault-tolerant vector control method for a short circuit of two adjacent phases. The method comprises: establishi...
|
|
WO/2018/019619A1 |
The invention relates to a device for diagnosing a mechanical system which is driven by means of an electric drive motor, the drive motor thereof, and the shifting device thereof, comprising at least one sensor for detecting the current ...
|
|
WO/2018/021983A1 |
The present invention relates to a rotor (2) alignment method which enables the rotor (2) to be aligned with the A phase axis for Permanent Magnet Synchronous Motors (PMSM) (1) using incremental angle encoder, and which comprises the ste...
|
|
WO/2018/018672A1 |
Disclosed is a fault-tolerant vector control method for non-adjacent two-phase short circuits of a five-phase permanent magnet embedded fault-tolerant linear motor. Firstly, according to the principle that a magnetomotive force remains u...
|
|
WO/2018/021176A1 |
A sensor failure detection method is a method for detecting at least one failure of a plurality of sensors in a motor drive system, said method having: a step for executing a calculation (A) for determining a counter electromotive force ...
|
|
WO/2018/016559A1 |
[Problem] To provide an electric power steering device of the vector control type which compensates for inverter dead time without requiring a tuning operation, improves current waveform distortion and improves current control responsive...
|
|
WO/2018/016476A1 |
[Problem] To provide a vector-control-method electric power steering device that compensates for the dead time of an inverter, that also compensates for motor reverse voltage and for interference voltage caused by the mutual inductance o...
|
|
WO/2018/016437A1 |
[Problem] To provide an electric power steering device of the vector control type which compensates for inverter dead time without requiring a tuning operation, improves current waveform distortion and improves current control responsive...
|
|
WO/2018/016436A1 |
[Problem] To provide a vector-control-method electric power steering device that compensates for the dead time of an inverter, that also compensates for motor reverse voltage and for interference voltage caused by the mutual inductance o...
|
|
WO/2018/016356A1 |
[Problem] To provide an electric power steering device using a vector control scheme in which tuning work is not required, the dead time of an inverter is compensated, and the improvement of current waveform distortion and the improvemen...
|
|
WO/2018/016070A1 |
An inverter (40) converts a DC voltage from a DC power supply (12) to an AC voltage applied to a motor (15) in which no positional sensor is disposed. A current detection unit (50) detects motor currents (Iu, Iv, Iw) flowing through the ...
|
|
WO/2018/016560A1 |
[Problem] To provide an electric power steering device of the vector control type which performs ideal inverter dead time compensation without requiring a tuning operation, improves current waveform distortion and improves current contro...
|
|
WO/2018/016448A1 |
[Problem] To reduce estimation error for the winding temperature when the load state of a motor changes. [Solution] A temperature estimation device that repeats a process for estimating the electrical resistance and the temperature of a ...
|
|
WO/2018/010679A1 |
A motor temperature detection method and device, and an aerial vehicle. The method comprises the following steps: in the control process of a motor, superposing a detection current on a given d-axis current of the motor, and enabling the...
|
|
WO/2018/012447A1 |
In the present invention a rotor position determination unit 10 uses induced voltages Vu, Vv, and Vw generated in each phase U, V, and W of an armature winding 5 to identify the rotor position. While a field current flowing in a field wi...
|
|
WO/2018/008936A1 |
The present invention relates to a system for applying a maximum driving efficiency point of a load, comprising: a motor for driving a load; an inverter for controlling the speed and voltage of the motor; a sensor unit for measuring magn...
|
|
WO/2017/220117A1 |
A turbomachinery system includes a turbomachine, a shaft, a rotor power converter, and an electrical machine. The electrical machine is coupled to the turbomachine by the shaft extending therebetween. The electrical machine includes a st...
|
|
WO/2017/220924A1 |
A method for estimating the position and speed of the rotor of an alternating current machine for a motor vehicle. The method comprises the following steps: determining the stator currents of the machine in the three-phase reference fram...
|
|
WO/2017/220234A1 |
The present invention provides control for synchronous machines in order to achieve an approximately constant torque irrespective of the load angle. The induced voltage of the synchronous machine rotating with a zero-current of the stato...
|
|
WO/2017/214972A1 |
Disclosed are a device and a method for stably stopping a motor. In this method, a first d-axis current reference value (id_ref1), a first q-axis current reference value (iq_ref1), and a first synchronous angle (Theta_fed) before a motor...
|
|
WO/2017/216959A1 |
A motor system (101) relating to the present invention is equipped with: a motor wherein a first wire-wound section (6) and a second wire-wound section (7) are provided, and the number of the wire winding turns of the second wire-wound s...
|
|
WO/2017/215822A1 |
The invention relates to a method for adjusting an amplitude of a voltage injection of a rotating, multi-phase electric machine, which electric machine is fed by means of a PWM-controlled inverter, comprising at least the following steps...
|
