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Matches 1 - 50 out of 8,158

Document Document Title
WO/2019/155529A1
A power conversion apparatus (1) is provided with a control device (11) and a power converter (10) for supplying power to a rotary electric machine (3). The control device (11) is provided with: a first switching pattern generation unit ...  
WO/2019/149502A1
The invention relates to a method for operating a rotating field machine (2) of a motor vehicle, wherein at least two winding systems (2a, 2b) of the rotating field machine (2) are supplied with current (idc, idc1, idc2) from a DC link (...  
WO/2019/145067A1
The invention relates to an electrical inverter that comprises electronic components and converts direct voltage into alternating voltage in a clock mode, the inverter being operated in different operating ranges including a load operati...  
WO/2019/146746A1
An estimation computing processing unit comprises: a first data application unit which, on the basis of first data indicating the relationship between a permanent magnet temperature, a phase current, and the inductance of a rotating mach...  
WO/2019/138809A1
This control device for an electric motor includes a load speed calculation unit, a position control unit, a speed control unit, and a subtractor. The load speed calculation unit generates a load speed signal from a load acceleration sig...  
WO/2019/138808A1
This control device for an electric motor includes a position control unit, a command acceleration calculation unit, a first subtractor, and a second subtractor. The position control unit receives input of a position command signal that ...  
WO/2019/130685A1
In the present invention, in an electromagnetic device that uses a coil current, such as a motor, an initial value of a desired coil current waveform is inputted, a magnetic field analysis is performed for the electromagnetic device, a p...  
WO/2019/123573A1
This electric motor control device is configured by being provided with: a speed controller for calculating a manipulated variable for an electric motor and outputting the manipulated variable; a first filter for calculating, using the m...  
WO/2019/117329A1
In this work, it is shown for the first time that the power and the impedance in a transformer circuit depend on the phase of the flux, hence the phase of the current. There is a phase change when the flux travels the magnetic core, and ...  
WO/2019/114474A1
A method for correcting the position of a motor rotor comprises the following steps: (S11) acquiring an angle difference Δθk of the position of a motor rotor; (S12) according to the angle difference Δθk of the position of the motor r...  
WO/2019/115238A1
The invention relates to a method for determining a rotor displacement angle (θ) of an electric machine (30) comprising a rotor (32) and a stator (33), with at least one phase winding (U, V, W), a switching charge regulator (LR) being a...  
WO/2019/111728A1
The purpose of the invention is to compensate for the influence of parameter fluctuation which is problematic when using feedforward control for improving the operation noise, and to suppress the fluctuation of motor output. A controller...  
WO/2019/111372A1
The present invention comprises: a control amount computation unit (13) that computes two or more control amounts indicative of the driving state of a rotating electrical machine (3), such computation based on the output current and the ...  
WO/2019/111647A1
Provided is a rolling system control device (40) that is inexpensive and can achieve highly accurate power factor compensation. Accordingly, the rolling system control device (40) is applied to a rolling system having: a measurement unit...  
WO/2019/102032A1
The invention relates to a method for adjusting values of a plurality of parameters of at least one controller (2, 3, 4) of an electric drive system (1), comprising the following steps: providing an individual replacement parameter value...  
WO/2019/097965A1
This motor control device is provided with: a control unit which controls the number of rotations of a motor in accordance with a required number of rotations by implementing a first control which enables high-torque and precise control ...  
WO/2019/087454A1
The vacuum pump according to one embodiment of the present invention comprises a pump main body, a first temperature sensor, a motor, and a control unit. The pump main body has a rotary shaft and a metal casing part. The first temperatur...  
WO/2019/081046A1
In order to improve a method for selecting a frequency converter for a refrigerant compressor unit, comprising a refrigerant compressor and an electric drive motor, in such a way that the frequency converter is selected to meet applicati...  
WO/2019/073633A1
The purpose of the present invention is to provide a speed detection method for maintaining a fine time axis resolution and a power conversion device that uses the method. This power conversion device comprises an inverter for converting...  
WO/2019/075122A1
Techniques are disclosed for systems and methods to control operation of a cryocooler/refrigeration system to provide cryogenic and/or general cooling of a device or sensor system. A cryocooler controller includes a motor driver controll...  
WO/2019/065334A1
This motor driving device has: a driving unit which supplies a driving current to a motor; a detection unit which detects driving data; a storage unit which stores the driving data; an information retention unit which retains determinati...  
WO/2019/051621A1
The invention describes a predictive control method for rectifiers/inverters, which defines mathematical models that represent a load/network and a converter/inverter, to then define control objectives for the load/network and the conver...  
WO/2019/052639A1
The invention relates to a method for operating a permanently excited synchronous machine (1) which is connected to a three-phase power system (8) and has a stator (2) with a three-phase stator winding, a rotor (3) and a thyristor contro...  
WO/2019/049625A1
A current estimating device that estimates a capacitor current of a high-voltage circuit for driving a motor, wherein the current estimating device calculates a voltage utilization rate using the input voltage of an inverter included in ...  
WO/2019/049188A1
The present invention drastically reduces the amount of data by treating current flowing through an AC electric motor as a DC amount. The present invention also performs, in a monitoring device, edge processing for determining an abnorma...  
WO/2019/042692A1
The invention relates to a method for determining at least one characteristic variable (1) of an electric machine (2) in a motor vehicle (3). The motor vehicle (3) has at least the electric machine (2) for driving at least one component ...  
WO/2019/038631A1
The invention relates to a method for operating a ring spinning machine (1), having a plurality of spindles (8) which each comprise an electrical drive (9), each electrical drive (9) having a decentralised control module (10) which has m...  
WO/2019/033478A1
A multi-inverter motor controller, comprising a primary inverter (102) and a secondary inverter (103). The primary inverter (102) and the secondary inverter (103) are connected in parallel to the same motor (104). The primary inverter (1...  
WO/2019/024227A1
A food processor, and a constant speed control method and device therefor. The method comprises the following steps: detecting a zero-crossing signal of alternating current input to a motor (50) (S1); obtaining a zero-crossing point of t...  
WO/2019/020185A1
A method and apparatus for the adaptation of a motor drive system is described. The method includes applying a small signal frequency sweep to a motor drive system wherein the motor drive system includes an inverter, an output filter (e....  
WO/2019/021217A1
A power factor correction device for use in a powered system where in normal operation an output voltage exceeds an input voltage. The device comprises: at least one variable voltage stage (Fig 20) which receives an input signal from at ...  
WO/2019/022327A1
A motor has a two rotors which are independently operated using a single inverter and without being supplied with a complex current. Further the motor is capable of shifting a rotation direction of each of two rotors by performing a magn...  
WO/2019/021128A1
The invention relates to a load dump for example for connection to a dynamic brake resistor and is especially useful when several motor drives and motors are operating together, are interconnected in one system. A load dump for connectio...  
WO/2019/021663A1
Provided is a motor drive control device capable of reducing generation of vibrations with a simple circuit configuration. A motor drive control device (1) includes a motor drive unit (2) for selectively energizing coils (Lu, Lv, Lw) of ...  
WO/2019/020980A1
A method of controlling an induction motor, an apparatus and a computer program product are disclosed. The method comprises: in response to an indication that a rotational frequency of the rotor is to be reduced from an initial operating...  
WO/2019/015858A1
The invention relates to an electric machine. The machine has at least two sub-machines, each of which has the same number of phases and each of which is designed to generate a magnetic rotary field independently of one another in order ...  
WO/2019/015894A1
The invention relates to an electric machine, in particular an electric motor and/or generator. The electric machine has a stator and a rotor which is designed to be permanently magnetic or to be energized in particular. The machine has ...  
WO/2019/015820A1
The invention relates to a method for operating an electronically commutated motor (22) of a steering system (2) of a motor vehicle. The method comprises: operating an output stage with a first commutation model; determining that a rotat...  
WO/2019/016348A1
Method and device for estimating the torque ripple TTR of an electric motor (1) which is connected to a load (3), wherein the ideal rotational speed ωideal of the electric motor (1) is determined from an actuating torque Tset_UUT for th...  
WO/2019/014435A1
Apparatus featuring a signal processor or signal processing module configured to: receive signaling containing information about a sampled leakage magnetic flux sensed from a motor, a motor load profile containing a learned leakage magne...  
WO/2019/012915A1
This rotating electric machine drive system is provided with: a rotating electric machine (10) equipped with a rotor (12) in which each magnetic pole is constituted by a plurality of permanent magnets (22) and in which a salient pole por...  
WO/2019/010518A1
This invention provides a better 3 phase sensor-less permanent magnet motor control which further reduces power loss and electrical noise, and to provide a higher effective supply voltage to each winding. In order to do this the common n...  
WO/2019/012799A1
Provided is a novel electric motor control device with which control responsiveness is enhanced and the occurrence of an overshoot can be suppressed. The electric motor control device is provided with: a state feedback control block (51)...  
WO/2019/010518A8
This invention provides a better 3 phase sensor-less permanent magnet motor control which further reduces power loss and electrical noise, and to provide a higher effective supply voltage to each winding. In order to do this the common n...  
WO/2018/234440A1
Controller (1) for actuating an electric motor (2), wherein the controller (1) has: - a temperature sensor interface (3) for connecting an external temperature sensor (4), wherein the temperature sensor (4) is provided for monitoring the...  
WO/2018/235625A1
This motor control device controls a two-phase motor (M), using as output torque the combined torque of A-phase and B-phase motor units (MA, MB) that are combined so as to have a structural phase difference. The motor control device resp...  
WO/2018/230253A1
An electric motor control device (300) in which the control bandwidth of a feedback control system for feedback-controlling the state quantity of an electric motor or a load can be changed is provided with: a notch filter (302) arranged ...  
WO/2018/222398A1
According to one aspect of the invention, a motor control system for driving a motor for a powered air purifying respirator (PAPR) is provided. The motor control system includes a control printed circuit board assembly (PCBA) including a...  
WO/2018/214797A1
A control method and a control system (2), by which a motor (31) can be controlled. The control system (2) comprises a central processing module (22) and a drive control module (23). In a period in which a voltage is not applied to any p...  
WO/2018/214236A1
A method for adjusting a high efficiency region of a permanent magnet synchronous motor, specifically comprising: revealing an internal relation between a high efficiency point and points around same, ascertaining an optimal proportion o...  

Matches 1 - 50 out of 8,158