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WO/2020/012656A1 |
This motor drive control device (100) is provided with: a sensor communication unit (106) constituted by one encoder receiving circuit that can receive an input of a motion detection value (MDV) and outputs the motion detection value as ...
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WO/2020/012679A1 |
The present invention reduces the number of magnetic sensors. This drive device for a three-phase rotating electric machine is mounted on a vehicle and provided with: a plurality of switching elements for energizing the three-phase windi...
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WO/2020/006659A1 |
Disclosed is a method for acquiring an initial mechanical angle of an electric motor. The method comprises: determining a mechanical state of an electric motor; determining an initial electrical angle of the electric motor according to t...
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WO/2020/008666A1 |
A power tool (10) comprises a motor (16), a trigger switch (12), a switching circuit (gate circuit (13) and FET array (14)), and a control unit (20). The trigger switch (12) sets the speed of the motor (16) in accordance with a manipulat...
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WO/2020/009237A1 |
The present invention is provided with: a robot arm (4) having a plurality of joints including a first joint (7) and a second joint (8); a first joint drive unit (9) having a first speed reducer (13) and a first motor (11) that rotates t...
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WO/2020/003569A1 |
An electrical power tool (10) is provided with a motor (16), a trigger switch (12), a switching circuit (gate circuit (13) and FET array (14)), and a control unit (20). The trigger switch (12) sets the rotational speed of the motor (16) ...
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WO/2020/001904A1 |
The present invention relates to a method for controlling a brushless direct current electric motor (1), said electric motor (1) comprising: - a rotor (9) that has magnetic elements distributed around said rotor, - a stator (11) that com...
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WO/2020/001660A1 |
An electric tool, comprising: a motor provided to drive a functional member, the motor comprising a rotor, a first phase winding, a second phase winding, and a third phase winding; a drive circuit electrically connected to the first phas...
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WO/2020/001945A1 |
The invention relates to a method for determining the position (ӨR) and the rotational speed (nR) of a rotor of an electrical machine during an active short circuit and a rotor-state determining device (10) designed to carry out the met...
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WO/2020/002559A1 |
The invention relates to a method for controlling a brushless direct-current electric motor (1), said electric motor (1) comprising: a rotor (3) having permanent magnets (9); a stator (5) having electromagnetic excitation coils; at least...
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WO/2020/004118A1 |
Provided are an actuator and a production method whereby parameters can be easily set corresponding to a movable element. The actuator 2 can drive the movable element 3 around a prescribed axis. The actuator 2 has a calibration mode. The...
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WO/2020/002553A1 |
The present invention relates to a brushless direct current electric motor (1), comprising: - a rotor (3) comprising magnetic elements (5) distributed around the rotor (3) forming poles of the electric motor (1) and a control magnet (19)...
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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/2019/244314A1 |
This synchronous rotating machine control device (1) has: a control means (2) for generating a first command value of a drive voltage for driving a synchronous rotating machine (20); an adjustment means (5) for obtaining, from a storage ...
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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/2019/242434A1 |
Disclosed in the present application are a vacuum cleaner, and a back electromotive force zero crossing detection method and apparatus and a control system for a brushless direct current motor. The method comprises: obtaining a back elec...
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WO/2019/240826A1 |
A 3-phase motor driver circuit has a first input to be coupled to an output of a first phase current sensor, and a second input that represents a zero reference. A controller adjusts one or more of a first phase voltage, a second phase v...
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WO/2019/238296A1 |
The invention relates to a method for operating an electric machine (5), in particular a turbocharger (1). The electric machine (5) has a multi-phase drive winding which is energized in order to generate a torque in at least one first ro...
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WO/2019/238243A1 |
A power tool with a direct current, DC, power source comprising a controller for controlling a driver circuit driving a brushless motor in a power tool, the driver circuit being coupled to a direct current, DC, power source and including...
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WO/2019/230565A1 |
This control device 20 of a rotating machine 10 having a field winding 18 in a rotor 16, and having multi-phase windings 14u, 14v, 14w of three or more phases in a stator 12 is provided with: a search signal superposition unit 82 which s...
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WO/2019/227873A1 |
The present invention provides a power failure protection control method for a permanent magnet synchronous motor control system, a power failure protection control device, and a permanent magnet synchronous motor control system. The pow...
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WO/2019/231249A1 |
The present invention relates to a shift-by-wire (SBW) device and, more specifically, to an actuator and reduction gear structure of a shift-by-wire device. A shift-by-wire device according to the present invention comprises: a housing; ...
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WO/2019/225486A1 |
This motor driving device is provided with: an inverter (4) that has switching units (4a-4f) and supplies input power to a brushless DC motor through switching by the switching units (4a-4f); and a control unit (8) that controls the inve...
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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/2019/225144A1 |
The present invention proposes a technique for more properly measuring the viscosity of grease in a motor. The present invention is a motor control device for controlling a motor, the device having a first vibration attenuation time dete...
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WO/2019/219456A1 |
The invention relates to an actuator comprising a polyphased brushless motor having a two-wire connection for receiving a modulated power supply signal with a cyclic ratio or a modulated frequency, supplied by a motor control unit, said ...
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WO/2019/221636A1 |
The inventions relate to the field of electrical engineering and can be used in systems for electronically controlling brushless electric motors. In the present systems, a rechargeable battery and a buffer storage of a supercapacitor bat...
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WO/2019/220470A1 |
A calibration and diagnosis device (10) for electrical machines is described, comprising a position sensor (11) interfaced to a rotor of an electrical machine to measure the angular position of the rotor, a storage unit (14) in which is ...
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WO/2019/215400A1 |
The present invention relates to a method for determining an estimated current (Iestx, Iesty) circulating in a winding of a motor (M) which is then controlled over two active phases. The method involves measuring a measured voltage (Ux, ...
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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/2019/216022A1 |
Provided are a motor control device and an electrical power steering device which are configured to perform a correction for advancing an estimated motor electrical angle in response to a steering torque, and are thus capable of correcti...
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WO/2019/216171A1 |
The problem of the present disclosure is to not have to execute the process for calculating magnetic pole information when a driver is replaced. This drive equipment (1) comprises a functional part, and a storage device (14). The functio...
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WO/2019/210790A1 |
An electric tool and a control method, the electric tool comprising a functional member (12), a motor (13), a power supply module (41), a driving circuit (43), and a controller (42). The driving circuit (43) comprises: a first driving te...
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WO/2019/210639A1 |
Disclosed are a throttle control method and apparatus, and an unmanned aerial vehicle. The method comprises: receiving a throttle control signal, and acquiring the final throttle given by the throttle control signal (101); acquiring the ...
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WO/2019/207754A1 |
Provided is an electric motor control device capable of highly accurately calculating a rotation angle correction value used for correcting the phase of a rotation angle signal of an angle sensor. The electric motor control device is pro...
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WO/2019/205112A1 |
Disclosed are an air compressor, and an electric motor control method and device for an air compressor, which are applicable to the technical field of air compressors. The method comprises the following steps: controlling the start of an...
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WO/2019/205124A1 |
A method for protecting a cradle head (100), a protection device (10), a cradle head (100) and an unmanned aerial vehicle (1000), the protection method comprising: controlling the cradle head (100) to enter sleep mode when a cradle head ...
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WO/2019/207868A1 |
According to the present invention, an electric tool (10) comprises a motor (111), a trigger switch (121), a sensor circuit (122), and a log output unit (14). The trigger switch (121) is operated by an operator and adjusts the output of ...
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WO/2019/201961A1 |
A method of determining an offset between an angular position indicated by a rotary position sensor assembly secured directly or indirectly to the rotor of a multiphase permanent magnet AC motor and an actual electrical position of the m...
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WO/2019/200813A1 |
The present invention relates to a conversion circuit board of a BLDC motor and an air condition control system applying the conversion circuit board and for use in a hotel. The conversion circuit board of the BLDC motor comprises a micr...
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WO/2019/200659A1 |
Provided is a brushless DC motor angle measurement and speed measurement apparatus; a linear Hall element (8) is used to obtain an initial angle value of a rotor; a switching Hall element (9) is used to obtain high and low level signals;...
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WO/2019/202625A1 |
Provided is a synchronous machine drive control device that can detect a rotation angle correction amount and enables the detection of the rotation angle correction amount in a wide range, even if a synchronous machine operates at a high...
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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/2019/199296A1 |
A current booster includes a buck-type converter including an input node, an output node, an inductor connected in series between the input and output nodes, a first capacitor connecting between the output node and ground, a second capac...
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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/2019/198421A1 |
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/2019/186758A1 |
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/2019/185018A1 |
Disclosed are a vacuum cleaner, and a counter electromotive force zero-cross detection method, apparatus and control system of a motor. The method comprises: in the process of controlling the motor, when a duty ratio of a PWM control sig...
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WO/2019/189167A1 |
An exemplary identification method according to the present disclosure is used for an identification device that identifies the type of a brushless DC motor. Output response characteristics of the brushless DC motor vary from one type to...
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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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