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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...
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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 ...
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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...
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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 ...
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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 ...
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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...
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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...
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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...
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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...
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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...
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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)...
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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...
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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...
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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 ...
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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...
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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...
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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...
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WO/2018/202277A1 |
The invention relates to a method (100) for operating an electric motor (10), in particular a permanently excited synchronous motor, comprising the steps of: a) establishing an orientation (25) of the rotor (14) in relation to the stator...
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WO/2018/190114A1 |
A dynamo-electric machine (10), provided with a rotor (22) and a stator (23) obtained by winding stator windings (11, 12) in a plurality of slots (34) provided in the circumferential direction. The stator windings are configured from n g...
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WO/2018/178543A1 |
Method for determining a parameter of an asynchronous electrical machine during operation, the machine comprising at least one stator (7) and a rotor rotating relative to the stator about an axis, and radiating, during operation, around ...
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WO/2018/162195A1 |
The invention relates to the regulation of an electric machine, wherein an interference variable is compensated for and simultaneously a target value is set. In the process, two mutually independent control loops are provided. A first co...
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WO/2018/154736A1 |
A power conversion device (1) for an electric vehicle comprises an inverter (2) that drives a motor (55) mounted in the electric vehicle, and a control device (3) that controls the inverter (2) on the basis of driving commands. The contr...
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WO/2018/141460A1 |
The invention relates to a voltage generating device (100) having the following: - a mechanically drivable generator device (10) which is separately excited; wherein - an electric starting voltage of the generator device (10) can be rect...
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WO/2018/139295A1 |
The problem of the present invention is to effectively reduce vibration and noise generated from a motor. An inverter 300 uses a plurality of IGBTs 311 that are switching elements to generate an AC current from a DC current supplied from...
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WO/2018/135007A1 |
When driving a synchronous electric motor by a load commutated inverter, it has been often difficult for a conventional control device to restart the synchronous electric motor when the synchronous electric motor is idling at high speed....
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WO/2018/135746A1 |
The present specification relates to a control device and a control method for a linear compressor, the device and the method applying a test signal to the linear compressor, and detecting a motor current and a voltage of the linear comp...
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WO/2018/131273A1 |
The purpose of the present invention is to provide a motor drive device and a refrigeration apparatus capable of achieving suppression of motor current distortion caused by direct-current voltage ripples while adopting a small-capacity s...
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WO/2018/108651A1 |
The invention describes a method for the computer-assisted operation of an electric motor (M) which is exposed to a thermal load as a result of the rotational motion of its rotor (T) during operation. In this method, measured data is rec...
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WO/2018/104417A1 |
Method for controlling the speed of rotation of an electric motor (M), notably an asynchronous electric motor, by means of a variable speed drive (10) supplied with power by a mains electrical power supply (L1, L2, L3), in which method i...
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WO/2018/101158A1 |
[Problem] To enable large torque output, and to facilitate obtaining fixed output characteristics through field weakening. [Solution] The present invention comprises a circumferentially disposed stator winding SW, and a rotor winding RW ...
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WO/2018/100392A1 |
The present techniques generally relate to electric motor which may include one or more sensors usable to determine rotor alignment and/or speed. A method and apparatus for rotor alignment and/or speed error detection and/or correction a...
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WO/2018/100630A1 |
This propulsion control device is provided with a power conversion device that supplies power to an electric motor for driving an electric vehicle. The propulsion control device is provided with a torque command computing unit (30) for c...
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WO/2018/092049A1 |
A method for controlling an electric drive comprising a step of measuring the angle φ between the voltage Vf applied at least to a phase of an electric motor forming part of the electric drive and the respective phase current If, a step...
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WO/2018/086830A1 |
The invention relates to a method for monitoring the operation of an electrical rotating machine (2) comprising a rotor (8), a stator (10), and a machine housing (18), in which the rotor (8) and the stator (10) are accommodated. In order...
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WO/2018/088465A1 |
This rotary electric device control device (10) controls driving of a rotary electric device (80) having multiple coil sets (180, 280), and is provided with multiple drive circuits (120, 220) and multiple control units (131-136, 231-236)...
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WO/2018/088463A1 |
In the present invention a rotary electric machine drive device (10) is equipped with: multiple drive circuits (120, 220) and multiple control units (131–133, 231–233) for controlling the driving of a rotary electric machine (80) equ...
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WO/2018/083405A1 |
The invention relates to a method for determining a saturation current of a rotating electrical machine functioning in both an alternator mode, as well as in a magnetic saturation regime, in order to transform, as efficiently as possible...
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WO/2018/079359A1 |
The present invention addresses the problem that a desired cranking torque cannot be output, and the rotational speed of a motor cannot be increased. This motor control device, which is used in a drive system provided with an engine, and...
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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...
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WO/2018/077019A1 |
Disclosed are a capacitance miniaturized motor driving system, and an overvoltage prevention control method and device therefor. The method comprises the following steps of: acquiring a mechanical angle of a compressor motor, and perform...
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WO/2018/068988A1 |
The invention relates to a method for operating an inverter (10, 48, 50) for coupling an electric machine (12, 46) which is designed for operation on AC voltage, with an AC voltage network (16), comprising the steps: - determining a torq...
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WO/2018/068390A1 |
An electric motor driving system with no electrolytic capacitor, and a field weakening control method and control apparatus thereof. The method comprises: acquiring a current direct-current bus voltage in an electric motor driving system...
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WO/2018/062096A1 |
When an estimated rotational speed becomes lower than or equal to a predetermined rotational speed, a control unit 76 of a motor control device 70 increases the voltage to be applied to a coil 53 on the basis of a control signal for incr...
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WO/2018/058956A1 |
Disclosed are a control method and device based on an alternating-current electric motor control circuit, and an air conditioner. The control method comprises: acquiring a target rotational speed of an alternating-current electric motor ...
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WO/2018/062083A1 |
Disclosed is a control device 70 that controls a motor unit 20 including a stator 50 that includes a coil 53, and a rotor 40 that includes a permanent magnet 44. The control device comprises: a detection unit 71 that detects the rotation...
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WO/2018/055691A1 |
Disclosed are a motor control system and a motor control method that allow the balance of evaluation values in a trade-off relationship to be easily adjusted. The motor control system includes: an inverter (5) that applies AC voltage to ...
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WO/2018/047524A1 |
This motor control method comprises: a step in which an α-axis component BEMFα and a β-axis component BEMFβ of the back electromotive force of a motor in an αβ fixed coordinate system are acquired; a step in which the α-axis compo...
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WO/2018/047916A1 |
A shift range control device (40) that comprises a feedback control unit (60), a feedback value setting unit (63), a fixed-phase electrification control unit (70), and a switching control unit (75). The feedback control unit (60) perform...
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WO/2018/049074A1 |
A power management unit receives AC power and, via an AC-DC-AC converter, provides an AC motor signal to a three-phase induction motor. Sensors in the power management unit provide data to a digital signal processor ("DSP"). The data inc...
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WO/2018/042895A1 |
Provided are a control device and a control method for a rotary electric motor, which can reliably inhibit vibration of the rotary electric motor, as well as a rotary electric motor drive system. PWM control is performed on the rotary el...
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