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WO/2020/003807A1 |
In a multiphase motor, no matter which phase there is phase interruption for, the phase of the current is adjusted appropriately. A controller 203 controls the driving of a motor 100. The motor 100 has a plurality of armature windings 12...
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WO/2019/244212A1 |
Provided is a variable-speed motor device in which a sequential SVPWM method is performed that sequentially arranges three or more types of current supply periods within each PWM cycle period. Stator coils comprise star-connected three-p...
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WO/2019/244252A1 |
This motor control device (101) has an inverter power module (4) that is provided with: switching elements (4a-4f) for an upper arm and a lower arm that are for converting a direct-current voltage into an alternating-current voltage and ...
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WO/2019/242407A1 |
Provided by the present invention is a method for controlling a speed regulation system of an asynchronous motor on the basis of a Buck-Boost matrix converter (BBMC). The method comprises steps of: detecting the actual rotational speed o...
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WO/2019/244743A1 |
This motor drive device (13) is provided with: an inverter (4) having switching portions (4a-4f) and switching an input power using the switching portions (4a-4f) to supply the input power to a brushless DC motor (5); and a control unit ...
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WO/2019/244680A1 |
In this electric vehicle power system, a dual inverter is connected to the double-ended three-phase coils of a three-phase motor. The dual inverter operates as a rectifier for rectifying a grid voltage. The dual inverter is connected to ...
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WO/2019/239601A1 |
In order to suppress the influence of a sudden fluctuation in a DC voltage, the motor driving device (6) includes: a rectifier circuit (2) for rectifying an AC voltage; a reactor (L) and a smoothing capacitor (3) connected to an output s...
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WO/2019/239792A1 |
A motor control device (10) for detecting motor current by means of ΔΣAD conversion is provided with a stop signal generation unit (19) and a stop signal control unit (20), wherein when the difference between the maximum value and the ...
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WO/2019/240004A1 |
The failure diagnosis method according to the present disclosure is used in a power conversion device equipped with at least one H-bridge to diagnose a failure of the H-bridge. The failure diagnosis method includes: a step of generating ...
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WO/2019/239628A1 |
Provided is a converter (1-1) comprising: a power module (22) including AC terminals (11, 12, 13) connected to an AC power supply (3), a DC terminal (14) and a DC terminal (15), and a plurality of switching elements; a base driving circu...
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WO/2019/239753A1 |
This cut-off circuit diagnostic device is provided with a motor control module that controls a motor and an external safety module that can be attached to and detached from the motor control module. The motor control module is provided w...
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WO/2019/241109A1 |
A system may include an output stage for driving a load at an output of the output stage, a pulse-width modulation mode path configured to pre-drive the output stage in a first mode of operation, a linear mode path configured to pre-driv...
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WO/2019/234949A1 |
This electric power steering device is provided with: a motor (12) having a first three-phase winding (121) and a second three-phase winding (121); first and second inverter circuits (107) for supplying power to the respective first and ...
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WO/2019/228197A1 |
Disclosed is a mode control method. The method comprises: acquiring a PWM signal; acquiring a duty ratio of the PWM signal according to the PWM signal; and acquiring a target rotation speed of an electric pump according to the duty ratio...
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WO/2019/228758A1 |
The invention relates to an energy converter (20) for converting electric energy, comprising - at least one controllable switching element (28) which provides at least one switch element-specific switch time period (40) required by the s...
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WO/2019/227863A1 |
A control system and a method for a permanent magnet synchronous traction drive system. The control system comprises a sampling unit and a controller, the sampling unit collecting an operational excitation current and an operational torq...
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WO/2019/229885A1 |
A permanent-magnet synchronous motor (100) is provided with: a main inverter circuit (3) that converts direct-current power to three-phase alternating-current power by switching a plurality of transistors (31–36); a motor body (20) tha...
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WO/2019/225373A1 |
This motor drive device for sine wave driving a three-phase brushless motor is configured to find a phase current value of each of the phases with a single current sensor. The motor drive device for sine-wave driving a three-phase brushl...
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WO/2019/225835A1 |
Embodiments relate to a motor drive system comprising a power network between an inverter and a motor and a method for designing such motor drive system, the motor drive system comprising: an AC motor; an inverter unit for applying a vol...
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WO/2019/220484A1 |
Provided is a control device which is for an AC rotary electric machine and which can increase a d-axis current in a negative direction and suppress the occurrence of irreversible demagnetization of a permanent magnet, after a winding sh...
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WO/2019/220781A1 |
The present invention provides a failure diagnostic method with which a failure of a switching element provided in a power converting device can be appropriately diagnosed. The power converting device converts power supplied from a power...
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WO/2019/216050A1 |
A motor control device according to an aspect of the present invention is provided with: an inverter that drives a motor; and a control arithmetic unit that calculates a current command value indicating a current supplied from the invert...
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WO/2019/215891A1 |
A control method for a motor system has: a battery; a step-up converter configured so as to step up DC voltage supplied from the battery; an inverter connected to the step-up converter, the inverter performing conversion between direct c...
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WO/2019/206759A1 |
Method (100) for controlling a drive arrangement (200) for an automatic door operator (30) of an entrance system (10) having one or more movable door members (D1…Dm), whereby the automatic door operator (30) is for causing movements of...
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WO/2019/207678A1 |
An inverter control device (3) that controls an inverter (1) for driving a motor (2) that is a synchronous motor, wherein the inverter control device (3) comprises: a torque calculating unit (34) that calculates a load torque on the basi...
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WO/2019/206554A1 |
The invention relates to a method for controlling a pulse-width modulation inverter in which a base signal having a base frequency is specified. In order to achieve an improved method for controlling a pulse-width modulation inverter in ...
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WO/2019/208409A1 |
Provided is a pulse pattern generating device that generates pulse patterns for controlling a plurality of switching elements which are provided to an inverter for driving a motor. A pulse pattern generating device (70) comprises: a curr...
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WO/2019/200592A1 |
A system (100) and a method (800) for power conversion. The system (100) comprises a rectifier (110); an inverter (120); a DC-link capacitor (C) coupled between the rectifier (110) and the inverter (120); and a controller (111). The cont...
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WO/2019/202675A1 |
Provided is a power conversion device in which, when the maximum heat generation phase on the positive electrode side and the maximum heat generation phase on the negative electrode side become different from each other and even when the...
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WO/2019/201426A1 |
A drive unit (10) for at least one electric motor (14) of a robot (12), the drive unit (10) comprising at least one inverter (16); a power source (18); a DC bus (22); a DC bus energy storage (24) arranged on the DC bus (22); a DC bank en...
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WO/2019/198507A1 |
This control device for controlling a motor is provided with: a rotation information calculation unit; an average load torque calculation unit; a normalized torque pattern storage unit; an allowable rotational speed fluctuation range sto...
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WO/2019/198411A1 |
This control device for controlling a motor is provided with: a rotation information calculation unit; an average torque calculation unit; a normalized torque pattern storage unit; an allowable rotational speed fluctuation range storage ...
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WO/2019/198160A1 |
This boost converter control method boosts the voltage inputted from a power supply and supplies this to the load side. This boost converter control method ensures the output power which is requested in accordance with the operating poin...
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WO/2019/198421A1 |
This control device for controlling a motor is provided with: a rotation information calculation unit; an average torque calculation unit; a normalized torque pattern storage unit; a modulation factor determination unit for determining a...
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WO/2019/198407A1 |
Provided is an electronic control device that can continue drive control of an electric motor according to a normal system during an abnormality of a ground connector or a ground harness, in a system in which a power source system, a dri...
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WO/2019/192770A1 |
The invention relates to a drive control for a three-phase motor having an inverter having multiple switches for generating three-phase voltages on the windings of the three-phase motor, and a control device for controlling the switches ...
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WO/2019/193266A1 |
The present invention concerns a motor-fan unit (GMV) for a motor vehicle (V) comprising an electric motor (MOT) and an electronic control card (CD) for controlling said electric motor (MOT), said electronic control card (CD) comprising:...
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WO/2019/186758A1 |
This drive device of an embodiment is provided with: a signal receiving unit 11 for receiving sensor signals output from angle sensors 4u, 4v, 4w; a signal interval calculation unit 12 for calculating a signal interval ΔT between a sens...
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WO/2019/186759A1 |
This drive device is provided with a control unit for controlling the drive of a motor by controlling first to sixth switches. In a first case where a detected speed by a rotational speed detection unit is slower than a preset first refe...
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WO/2019/186631A1 |
A first inverter is connected to one end of each phase winding of an open-winding motor and a second inverter is connected to the other end of each phase winding of the open-winding motor. Further, a switch is connected between the other...
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WO/2019/186757A1 |
An electric vehicle control device 1 is provided with: a signal receiving unit 11 for receiving a signal coming at intervals in accordance with the rotational speed of a motor 3; a rotational speed calculation unit 12 for calculating an ...
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WO/2019/186760A1 |
A control unit performs drive control of a motor by using a trapezoidal-shaped energization waveform, wherein said drive control includes: control for switching the on/off of a first switch by using a first phase high-side PWM signal hav...
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WO/2019/187721A1 |
In order to suppress vibration in a motor (5), the load torque of which periodically fluctuates, control of periodically changing output torque of the motor (5) is performed. In the control, at least one of first control and second contr...
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WO/2019/189298A1 |
Provided is a fluid delivery device including an impeller for causing a fluid to flow from a suction port to a delivery port, a DC motor for rotating the impeller, a housing that houses the impeller, and a control device for PWM controll...
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WO/2019/186761A1 |
This drive device is provided with a control unit for controlling the drive of a motor by controlling first to sixth switches. The control unit periodically sets continuous first to sixth energization periods, each of which corresponds t...
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WO/2019/187529A1 |
The present invention detects a closed loop circuit on the basis of a short failure between a switching element for motor control and a switching element for disconnection in a motor drive circuit. This motor control device is provided w...
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WO/2019/180968A1 |
This motor drive device (2) is provided with an inverter (11) for outputting AC voltage to a single-phase motor (12) and a control unit (25) for controlling the AC voltage output by the inverter (11). The control unit (25) drives switchi...
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WO/2019/180967A1 |
This motor drive device (2) is provided with an inverter (11) for outputting AC voltage to a single-phase motor (12) and a control unit (25) for controlling the AC voltage output by the inverter (11). The control unit (25) causes a squar...
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WO/2019/180971A1 |
This motor drive device (2) is provided with a single-phase inverter (11) that is an inverter for converting a DC voltage output from a battery power supply (10) to an AC voltage and outputting the AC voltage as an application voltage ap...
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WO/2019/182132A1 |
According to several embodiments, a device includes an inverter having a switching circuit. In addition, a first circuit has a first circuit ground and a second circuit has a second circuit ground. For example, the second circuit may be ...
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