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Matches 1 - 50 out of 9,796

Document Document Title
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...  
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/2018/069865A3
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/2018/061546A1
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 ...  

Matches 1 - 50 out of 9,796