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WO/2017/208652A1 |
Provided is a motor control device in which high-frequency noise accompanying the detection of a direct-current bus current can be reduced without changing the switching frequency. This motor control device 3 comprises: a power converter...
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WO/2017/203987A1 |
A parameter identification device (12) is provided with: a data acquisition unit (120) for acquiring a torque τ relating to a motor, actual-measurement data of the angle θ(M) and angular velocity ω(M) of the motor, and actual-measurem...
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WO/2017/202530A1 |
The invention relates to a method for improving a starting process of an internal combustion engine (300) by means of a belt-driven starter generator (100), which has a stator winding (11) and a rotor winding (12), wherein the starter ge...
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WO/2017/199334A1 |
The control device 100 for a synchronous rotary machine 1 comprises: a current detection unit 2 which detects the current passing through the synchronous rotary machine 1; a control unit 3 which generates a voltage instruction for contro...
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WO/2017/199641A1 |
The purpose of the present invention is to reduce the number of times of switching to be performed when reducing a zero-phase current. This electric motor control device controls an electric motor, the phases of which are connected indep...
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WO/2017/197473A1 |
The present invention describes a closed-loop electronic control method for regulating the power of a direct current bus and at the same time controlling the switching of energy conversion power semiconductors in a model-based predictive...
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WO/2017/199661A1 |
[Problem] To generate braking torque without regenerative current flowing to a power supply. [Solution] This motor driving control device has: (A) an inverter unit that drives a motor; (B) a separation switch for electrically separating ...
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WO/2017/191146A1 |
A method for estimating one or more of the following quantities from an electromechanical machine and/or component, the method comprising the creation of a photorealistic numerical model of the electromechanical machine or parts of it, a...
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WO/2017/192631A1 |
Systems and methods are described for controlling an electric motor. An exemplary system may include a torque detector configured to detect an output torque of the electric motor. The system may also include a controller configured to co...
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WO/2017/187533A1 |
A motor drive device 100 according to the present invention drives a single-phase PM motor 3 and is provided with: a single-phase inverter 2 for applying an AC voltage to the single-phase PM motor 3; a rotor position detection unit 7 for...
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WO/2017/187536A1 |
An electric motor drive device according to the present invention is an electric motor drive device that is used for driving an electric motor, said electric motor being used in a compressor that compresses a coolant, wherein the electri...
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WO/2017/186505A1 |
One aspect of the invention relates to a method for shifting a transmission, which can be shifted into different gears, for a motor vehicle, wherein the motor vehicle comprises an electric machine which is connected to the input of a tra...
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WO/2017/186420A1 |
The invention relates to a method for controlling an electric machine (2) subjected to some extent to a reluctance moment in the event of a fault, said method involving the steps of detecting (S1) a degree of demagnetization (10) of the ...
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WO/2017/179236A1 |
A motor control device of an embodiment comprises: multiple magnetic pole position estimation parts for estimating magnetic pole positions of multiple motors; vector control sections for performing vector control for the multiple motors ...
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WO/2017/167493A1 |
The invention relates to a method for the current control of a pulse-width-modulated converter for an electric machine, particularly a pulse-width-modulated inverter connected to the electric machine. The machine and the inverter have a ...
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WO/2017/172367A1 |
A maximum acceleration identification system determines a suitable maximum acceleration for transitioning a given motion/motor system to a target position or velocity, taking the friction of the motion system into consideration. The maxi...
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WO/2017/172359A2 |
A system and method for speed regulation of a VFD circuit via an anti-windup control scheme that provides consistent speed response with no overshoot is disclosed. A control system for operating the VFD circuit includes a feedback contro...
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WO/2017/163450A1 |
In a system according to an embodiment, a rotating electrical machine is a permanent magnet type configured by forming magnetic poles of a rotor using permanent magnets. An inverter generates an AC voltage by switching and outputs the vo...
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WO/2017/159236A1 |
An electric motor is controlled using a feedback signal that includes an error between the measured current and the estimated current determined using the measured current, the measured voltage, and a model of the motor. A feedback gain ...
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WO/2017/158386A1 |
A control system for an electric motor comprises a current controller which produces a set of voltage demands for the motor, a current sensing means arranged to produce a current sensing output indicative of electric current in the motor...
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WO/2017/159277A1 |
A control system according to the present invention is provided with a plurality of control devices (11, 21). Each of the plurality of control devices (11, 21) is provided with an initial checking unit that performs initial checking befo...
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WO/2017/152938A1 |
A method (400) of determining equivalent circuit parameters of a three phase induction motor is provided. The method (400) comprises applying (410) a current to a stator winding (362) of an induction motor (360), and varying (420) a volt...
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WO/2017/154239A1 |
The invention of the present application pertains to a motor drive device and a method for detecting phase current in a motor drive device, and more specifically pertains to a technique for detecting the phase current of three phases, us...
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WO/2017/154185A1 |
This step-out detection device includes an alternating current component calculation unit, a harmonic component calculation unit, a rotational speed calculation unit, and a determination unit. The alternating current component calculatio...
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WO/2017/148755A1 |
A motor drive system and method for controlling an electric motor. The motor drive system includes a plurality of phase lines switchably connected to the electric motor, a plurality of controllable switches, and a controller. The control...
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WO/2017/151973A1 |
Circuits and methods for driving a load are disclosed. An exemplary driving circuit may include a plurality of switching devices and a controller electrically connected to the plurality of switching devices. The controller may be configu...
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WO/2017/151459A1 |
As speed operation range identification system for motion systems driven by permanent magnet synchronous motors (PMSMs) or induction motors leverages both characteristics of the motor as well as dynamic characteristics of the motion syst...
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WO/2017/146089A1 |
In the present invention a current controller (30) calculates a drive signal for driving an inverter (40) by means of fundamental wave current control and harmonic current control. A command value filter (11) performs a filtering process...
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WO/2017/143434A1 |
An energy-efficient and accurate torque control system and method for multiphase nonsinusoidal PMSM with or without open-circuited phase(s) under time-varying torque and speed conditions is based on orthogonally decomposing a phase volta...
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WO/2017/145749A1 |
In this motor control device, a two-phase/three-phase converter converts a d-axis voltage command and a q-axis voltage command to a UVW phase voltage command. A PWM circuit generates a drive pulse signal whose pulse width is modulated in...
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WO/2017/146090A1 |
In the present invention, a current controller (30) uses fundamental-wave current control and high-order current control to compute a driving signal for driving an inverter (40). Fifth order and seventh order voltage command computing un...
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WO/2017/136510A1 |
A method of controlling a motor may include receiving command data indicating only a desired torque and/or force for the motor and including no torque and/or force or current feedback data from the motor. Based on the command data and at...
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WO/2017/133824A1 |
The present invention discloses a method for determining a rotor angle of a rotor of an electric machine, having the steps of producing a torque-dependent test signal which depends on the torque of the electric machine and has a higher f...
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WO/2017/128498A1 |
A permanent magnet torque-reluctance torque separated motor and an optimal efficiency control method, belonging to the technical field of motors and control thereof. The permanent magnet torque-reluctance torque separated motor comprises...
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WO/2017/125231A1 |
The invention provides a device (10) and a method for controlling an electric machine (1). The method comprises the steps of: providing (S01) a desired torque value (54) for a torque to be exerted by the electric machine (1); determining...
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WO/2017/122296A1 |
An electric vehicle control device, provided with a voltage control unit for controlling the output voltage of an inverter, and a speed estimator 20 for computing an estimation value for the speed of a motor. The speed estimator 20 is pr...
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WO/2017/123832A1 |
Systems and method for controlling an alternating current (AC) electrodynamic machine (390) with a variable frequency drive (VFD) (380) include a control system (300) with a phase-locked-loop (PLL) circuit (382) for providing a stator fl...
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WO/2017/120211A1 |
The method of controlling a rotating three-phase motor involves generating in synchronism with the rotation of the motor a variable duty cycle pulse-width modulated signal for each of the switching circuit components used to supply curre...
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WO/2017/111390A1 |
An aspect of the disclosed invention calculates a value of an inductance of a synchronous motor whose characteristic is unclear while suppressing a failure of the synchronous motor. A motor driving device according to an embodiment of th...
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WO/2017/107105A1 |
A method (100) and an apparatus (200) for online estimation of an initial position of a surface permanent magnet motor in a stationary state or at a first speed. The method (100) for online estimation of the initial position of the surfa...
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WO/2017/103605A1 |
A control system for an electric motor comprises a controller which receives as an input a demanded motor current and produces at an output an intermediate voltage demand signal, a voltage demand signal correction means arranged to gener...
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WO/2017/104871A1 |
A method for estimating the inductance of a permanent magnet synchronous motor according to an embodiment of the present invention may comprise the steps of: calculating line voltages from a three-phase voltage equation of the permanent ...
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WO/2017/098840A1 |
[Problem] To provide an electric power steering device control method and control device which simplify calculations in conversions from a two-phase command value to a three-phase command value that are carried out when driving and contr...
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WO/2017/092799A1 |
The present invention relates to a method for error compensation in a measurement of an electric motor's (8) rotor position in a power steering (3) system of a motor vehicle, wherein the electric motor (8) generates torque (T) for assist...
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WO/2017/089697A1 |
The invention relates to a method for controlling a synchronous machine (1) with permanent magnets including a rotor (4) with permanent magnets and a three-phase stator (5), the machine (1) being associated with an inverter for controlli...
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WO/2017/090350A1 |
The objective of the present invention is to reduce zero-phase current detection errors. This control device is for an electric machine wherein windings are independently connected for each phase, and is equipped with a control unit that...
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WO/2017/090109A1 |
This control device for a permanent magnet-type rotating electrical machine 100 is provided with: a current coordinate transforming unit 109 which coordinate-transforms three-phase alternating currents detected from current detecting uni...
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WO/2017/087508A1 |
A method of operating a pumping system includes an electric motor and a variable speed drive. The method includes the steps of setting a first preference for the operation of the motor, loading a first optimized motor model into the vari...
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WO/2017/080120A1 |
A method for implementing a unidirectional chaotic motion of a rotation speed of a permanent-magnet synchronous motor. The method comprises: step 1, collecting two-phase current simulation signals to obtain digital quantities iA(t) and i...
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WO/2017/081977A1 |
The invention is equipped with a control unit (150) that, according to switching criteria calculated from the magnetic characteristics of an AC motor (9), executes an operating sequence for selecting one of three control modes: an online...
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