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WO/2022/032098A1 |
A system for controlling a capacity of a compressor includes a motor of the compressor including a main winding connected at a connection point to an auxiliary winding and a drive configured to control a speed of the motor. The system in...
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WO/2022/027794A1 |
Disclosed are a combined electric motor controller and a combination method therefor. The combined electric motor controller comprises a power source module, an electric motor control module and an I/O module, wherein one electric motor ...
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WO/2022/029949A1 |
A motor control device (200) is provided with: a target rotational position acquisition unit (31) that acquires the target rotational position (TRP) of a rotor (5) in a motor body part (400); a rotational position calculation unit (32) t...
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WO/2022/018841A1 |
This power conversion device is characterized in that: when a current detection resistor (8) is connected between a lower arm switching element (SN) of an inverter (6) and a negative electrode side input terminal, the conductive resistan...
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WO/2022/009201A1 |
Circuitry for directly providing drive power to a BLDC motor having separated coils, comprising unipolar controlled current sources for supplying current to each of the separated coils; a controller, for controlling the level and phase o...
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WO/2022/009599A1 |
This motor control device controls a motor which is driven by a three-phase alternating current and is equipped with a magnetic pole position sensor for measuring the magnetic pole position of a rotor, by using a detected value of the ro...
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WO/2022/008241A1 |
The invention relates to a method and to a ventilator system which is designed to carry out the method. The method is used to ascertain a current operating point of a ventilator unit (11) having a ventilator (13) and at least one filter ...
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WO/2022/004002A1 |
A motor characterized by comprising a rotor rotatable around the central axis, a stator radially facing the rotor, a magnet attached to a shaft of the rotor and having at least one pair of poles in a row in a rotation direction of the ro...
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WO/2022/001088A1 |
A DC brushless motor rotor position detection method, belonging to the field of motor control. The method comprises: detecting a level signal detected by a Hall position sensor connected to a DC brushless motor; when it is detected that ...
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WO/2022/003658A1 |
The stator discs with disk magnetic quines instead of a permanent magnet, reduce the production of heat from rotor rotation, which includes a circular arrangement and these circular shape arrays with equal intervals are parallel to the r...
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WO/2022/003761A1 |
Provided is a rotary encoder that has a function for responding to battery loss, has high performance, and is compact and inexpensive.　This rotary encoder comprises an MR sensor unit, a battery loss response unit that generates power a...
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WO/2021/253562A1 |
A commutation error compensation system without a position sensor for a brushless motor, comprising: a brushless motor (200) and a commutation logic module circuit (100). The commutation logic module circuit (100) is connected to three v...
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WO/2021/256481A1 |
A flow rate control device according to one embodiment is provided with: a flowmeter that repeatedly generates a pulse signal according to the flow of a fluid discharged from a fluid machine being driven by a brushless motor or an AC mot...
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WO/2021/256480A1 |
A flow rate control device according to one embodiment comprises: a flow rate meter that detects the flow rate of a fluid which is discharged from a fluid machine by the driving of a motor; and a controller that changes the frequency of ...
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WO/2021/255600A1 |
The invention relates to an engine controller (1) which is designed to be attached to an engine transmission unit (4) having an engine (5) to be controlled by the engine controller (1) and having a transmission (9) able to be driven by a...
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WO/2021/257435A1 |
The subject matter of this specification can be embodied in, among other things, an electric actuator driver that includes a first input port configured to receive an analog electrical servo control signal, a second input port configured...
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WO/2021/250376A1 |
A method of actuating an article using a servo actuation system is disclosed. The system comprises a motor, a controller and an inverter. The controller comprises a position controller, a velocity controller and a current controller; the...
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WO/2021/250077A1 |
The invention relates to a method (100) for controlling a planar drive system (200), comprising: controlling the rotor along a control path starting from a first position (P1) on the stator module (300), in a control step (101); determin...
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WO/2021/250917A1 |
This detection signal correction method comprises: calculating a rotation angle of a rotation shaft of a motor (10) on the basis of a detection signal of a sensor (20) (S1); calculating a steering speed of a steering shaft on the basis o...
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WO/2021/245985A1 |
This motor control device comprises: a storage unit which stores, in advance, an abnormal pattern indicating an abnormality of output values of Hall sensors expressed by a combination of output values of a plurality of Hall sensors, a pr...
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WO/2021/248155A1 |
Systems and methods for reducing current imbalance in a motor, where one embodiment comprises a system having an ESP installed in a well, an electric drive, and a power cable coupled between the drive and the ESP's motor. The electric dr...
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WO/2021/240893A1 |
This synchronous electric motor drive device is provided with: a power converter for driving a synchronous electric motor by sequentially applying positive and negative voltages to each phase of the synchronous electric motor; a current ...
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WO/2021/237603A1 |
A motor controller (120) applied on an electrical vehicle (1000), a microprocessor (10) in the motor controller (120), and a sampling triggering method applied to the microprocessor (10). The microprocessor (10) is connected to a drive m...
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WO/2021/239757A1 |
The invention relates to a planar drive system. The planar drive system comprises a stator and a rotor. The stator has a plurality of energizable stator conductors. The rotor comprises a magnet device having at least one rotor magnet. A ...
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WO/2021/237272A1 |
Energy saving and sustainability have become hot topics nowadays. Electric transportation applications, such as electric vehicles, always pursue higher energy efficiency other than applications with secured power sources. Therefore, lots...
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WO/2021/239406A1 |
The invention relates to a vehicle drive train and to a method for operating a drive train with electromotive drive (4), wherein a rotational speed and a drive torque of the drive (4), which are convertible via a toothed transmission sta...
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WO/2021/239717A1 |
The invention relates to a planar drive system. The planar drive system has a stator and a rotor. The stator has a plurality of stator conductors which can be energized. The rotor has a magnet device with at least one rotor magnet. A mag...
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WO/2021/235206A1 |
The present invention reduces unstable motion of a motor during deceleration of the motor revolution speed. The present invention has: a plurality of sensors that each detect the rotary position of a rotor and output a position detection...
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WO/2021/235548A1 |
This motor system comprises: a permanent magnet motor (18) including a stator having N-phase windings (N is a natural number greater than or equal to three) and a rotor having a permanent magnet; an inverter (16) that supplies N-phase dr...
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WO/2021/232615A1 |
The present application provides a motor rotor position detection method, a device, and a motor controller. The method comprises: after a first interference signal having a frequency f is injected into a motor drive loop, acquiring, from...
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WO/2021/229892A1 |
A fan control system according to the present disclosure is provided with a control unit for selecting a control mode from among a plurality of control modes including a first mode and a second mode. The first mode is a control mode for ...
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WO/2021/230472A1 |
The present invention relates to a haptic feedback system, and in particular to a device and method for rapidly removing residual vibration in a linear resonant actuator, the method being characterized by comprising the steps of: applyin...
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WO/2021/225660A1 |
A variety of methods, controllers and electric machine systems are described that facilitate pulsed control of electric machines to improve the energy efficiency of the electric machine when conditions warrant. Selected transitions betwe...
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WO/2021/219657A1 |
The invention relates to an electric circuit (1) for an electric motor (2), the electric motor (2) having at least one stator (3) with at least three coils (4, 5, 6) and a rotor (7) with at least two magnetic poles (8, 9); the motor (2) ...
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WO/2021/220025A1 |
An ECU (40) controls a motor (31) including a first coil group (52) and a second coil group (53). The ECU calculates a first torque command value and a second torque command value. The ECU uses a first differential torque, which is the d...
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WO/2021/212618A1 |
A control system for a flexible permanent magnet brushless direct current motor (4) comprises a direct current power supply, a filter capacitor (1), a voltage source inverter (3), a permanent magnet brushless direct current motor (4), an...
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WO/2021/216228A1 |
Modulated pulse control of electric machines to deliver a desired output in a more energy efficient manner by either (a) operating the electric machine in a continuous mode when a requested torque demand is greater than the peak efficien...
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WO/2021/212520A1 |
A control method and apparatus for a motor, a motor device, and a storage medium, wherein the motor does not have a position sensor. The method comprises: before a motor starts up, acquiring the current electric angular velocity of the m...
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WO/2021/204353A1 |
Method of regulating a speed of a first torque device (3, 31) coupled to a load system (4), comprising a feedforward step of compensating for a disturbance torque, transmissible at least in part to an output shaft of the first torque dev...
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WO/2021/205997A1 |
A control unit (50) has a rotation speed computation unit (52), a target current computation unit (53), an energization command unit (54), and a switch control unit (55). The rotation speed computation unit (52) computes a motor rotation...
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WO/2021/205804A1 |
A single phase brushless DC motor has: a rotor rotatable about the central axis; a stator provided with a stator core and windings and facing the rotor with an air gap interposed therebetween, said stator core having a plurality of salie...
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WO/2021/205690A1 |
This power conversion device comprises a power converter having a switching element, and a control unit that controls the power converter to drive a motor. The control unit calculates a phase error estimated value, which is the deviation...
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WO/2021/203589A1 |
Provided are a permanent magnet direct-current electric motor commutation control apparatus and method based on a sliding mode observer. The apparatus comprises a processor module, a voltage sampling module, a current sampling module, a ...
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WO/2021/200209A1 |
A motor control method carried out by a motor control device, in which a portion of all of the arms of an inverter, said portion differing for each energization pattern, is turned on, thereby energizing a motor having a rotor, wherein th...
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WO/2021/200236A1 |
This method causes a motor having a rotor to be conductive by turning ON a portion of arms which differ for each conductive pattern among all arms of an inverter, wherein: PWM signals of each phase are all generated with a duty cycle of ...
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WO/2021/200845A1 |
The present invention is provided with: an inverter which energizes a motor having a rotor by turning on some arms among all arms in accordance with PWM signals in respective phases; a current detector which is connected to the direct cu...
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WO/2021/200123A1 |
This motor control device is provided with: an inverter that energizes, in accordance with an energization pattern, a motor in which a rotor is in a stopped or extremely low-speed state by turning on some of arms; a current detector that...
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WO/2021/201856A1 |
A method for operating a motor control system to dynamically compensate for low-frequency and/or high-frequency torque ripple. Embodiments include receiving an input command, receiving drive feedback signals representative of drive curre...
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WO/2021/196466A1 |
A method for controlling a full-field DC motor system: when rotor magnetic poles are in the process of being close to overlapping with stator magnetic poles, the polarities of a magnetic field generated by a stator winding current and a ...
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WO/2021/198264A1 |
In order to capture a rotor position of a rotor (2) of a permanently excited synchronous machine (1), voltages (27) are applied to stator windings of the synchronous machine (1), wherein higher-frequency additional signals (16) are super...
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