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Patent Searching and Data


Matches 1 - 50 out of 16,511

Document Document Title
WO/2021/081790A1
An electric motor control apparatus (10), a device, a system, and a control method for the electric motor control apparatus. The electric motor control apparatus (10) comprises: a phase voltage measurement circuit (11), a control circuit...  
WO/2021/085742A1
The present invention relates to a servo motor control system and a control method therefor. The present invention comprises: a target trajectory generation unit for generating a target trajectory according to a servo motor control signa...  
WO/2021/079841A1
Provided is a method for continuing the operation of an electric compressor even if the magnitude of ripple voltage exceeds a predetermined threshold value. A control device of an electric compressor is provided with: a detection unit fo...  
WO/2021/069479A1
A motor system comprises a motor comprising: a stator with a plurality of subwindings each having a plurality of phase connections for receiving phase voltages, wherein each of the subwindings is electrically insulated from each of the o...  
WO/2021/069259A1
A method for controlling an electrical converter system (10) comprises: determining a nominal pulse pattern (t* p,i , Δu* p,i ) and a reference trajectory (x*) of at least one electrical quantity of the electrical converter system (10) ...  
WO/2021/054165A1
This facility diagnostic device (1, 1A, 2, 3) is provided with: a current detection unit (10) which detects a driving current supplied to an induction motor (IM) that rotationally drives the rotating shaft of a facility; rotation detecti...  
WO/2021/052170A1
Provided are a motor vibration control method and electronic device (100), relating to the technical field of terminals, and capable, when the load capacity of a battery (142) is relatively low, of achieving vibration of a motor (191). T...  
WO/2021/043361A1
The invention relates to a method (10) for calculating the temperature at an electric drive unit (12), to an electric drive unit (12) for a vehicle comprising an electric motor with a stator and a rotor, and to a method for operating sai...  
WO/2021/031929A1
The present invention pertains to the technical field of air conditioners, and particularly relates to an inverter air conditioner, a field-weakening control limit voltage configuration method for the same, and a control method. The pres...  
WO/2021/034652A1
Devices and methods described herein provide for controlling an operating mode of a power tool. Controlling the power tool includes operating, by a motor controller, a motor of the power tool in a first operating mode. Controlling the po...  
WO/2021/029193A1
The objective of the present invention is to control the torque of a vehicle-mounted motor, taking into account slip prevention control. A higher-level torque command value (Tm*) from a higher-level device is subjected to a filtering pro...  
WO/2021/029331A1
This control device calculates a sign-extended steering torque by performing moving average processing that weights an oversampled signal obtained by oversampling processing; on the basis of the sign-extended steering torque signal, the ...  
WO/2021/026769A1
A self-adaptive motor control method and apparatus and a storage medium. The method comprises: detecting in real time an operation region of a motor, and then determining the type of the region of motor operation (S200); then, automatica...  
WO/2021/017047A1
An electric intelligent telescoping rod control system and a control method thereof. The control system comprises a main control module (10), a motor (20), and a driving assembly (30) connecting the main control module (10) and the motor...  
WO/2021/014948A1
A motor control device capable of reducing noise is provided. A motor control device (100) is characterized by comprising: a control unit (20) that generates a respective PWM signal (U, V, W) for each phase (U, V, W) of a motor (4) havin...  
WO/2021/009285A1
The invention relates to a device and a method for open-open or closed-loop control of a movement of a die cushion of a die cushion press. The device has an control value encoder (11), a speed controller (12), a current controller (13) a...  
WO/2021/003987A1
A sinusoidal driving method for a permanent magnet synchronous motor. Three linear Hall sensors uniformly distributed on the periphery of a motor output three-phase analog signals (as shown in formula (I)), the three-phase analog signals...  
WO/2020/259232A1
A magnetic bearing and a high-performance servo motor. The magnetic bearing comprises a housing, and is characterized by further comprising a fixed ring provided in the housing and a plurality of magnetic rollers provided circumferential...  
WO/2020/244954A1
The invention concerns a method for estimating the electromagnetic torque of a three-phase synchronous machine with permanent magnets, which involves: measuring the stator phase currents and voltages in a fixed three-phase reference fram...  
WO/2020/245597A1
A motor drive signal generator configured to combine at least a part of a first input waveform with at least a part of a second input waveform to create a compound waveform, wherein the first waveform is a sine wave and the second input ...  
WO/2020/237851A1
A drive control method and apparatus, and a household appliance and a computer-readable storage medium. The drive control method comprises: during a load operating process, detecting a power supply signal (S102); and controlling, accordi...  
WO/2020/235130A1
On the basis of a detected motor angular velocity ωM and a velocity command ω*, a velocity control unit 1 outputs a torque command T*. A vibration suppression control unit 2 subtracts the detected motor angular velocity ωM from an est...  
WO/2020/227462A1
Apparatus, systems, and methods of monitoring and controlling electric power consumption by one or more pump jacks at one or more oil and gas well sites.  
WO/2020/216392A1
The invention relates to a method (10) for ascertaining at least one first motor parameter (P) of an electric motor (12), which can be actuated by an input value (/) and comprises a rotatable rotor (16) and a stator (14), which electric ...  
WO/2020/216399A1
The invention relates to a method (10) for controlling an electric motor (12), wherein the electric motor (12), on the basis of control by means of an input variable (/), has a target variable (Ψ) influenced by at least one parameter (P...  
WO/2020/213285A1
[Problem] To provide a vehicle steering apparatus that makes it possible to easily attain a steering torque equivalent to a steering angle or the like independently of the state of a road surface and without being affected by changes in ...  
WO/2020/213178A1
Provided is an electric motor control device capable of reducing torque ripples up to a high frequency range without amplifying unnecessary noise and vibration. The electric motor control device estimates an interlinkage magnetic flux on...  
WO/2020/207756A1
A method for determining a speed of an electronically commutated electric motor (14), in particular an electric motor (14) for a fan (11), wherein current measurement values (18, 19) are detected at multiple points in time which describe...  
WO/2020/202707A1
This control device is provided with: an angular velocity detection unit for detecting the angular velocity of a motor; an oscillation component removal unit for removing, through a filtering process, an oscillation component in a predet...  
WO/2020/198629A1
Apparatus and methods for controlling electric motors are disclosed. In addition, such apparatus and methods for starting and controlling electric motors and controlling electric motors switching from a PWM control to six step method of ...  
WO/2020/196719A1
A rotating electrical machine control system (100) for controlling an alternating current rotating electrical machine (80) provided with M coil sets (8) is provided with: M inverters (50) which are provided with a plurality of switching ...  
WO/2020/186656A1
A method for estimating the position of a linear time-variant rotor of a low-speed permanent magnet synchronous motor, comprising: first, injecting a high-frequency sinusoidal signal from a voltage end of a stator, thereby causing stator...  
WO/2020/186404A1
A method, system and device for adjusting and controlling a mowing robot. The method comprises: obtaining state information of a mowing motor on a robot, and calculating an output power according to the state information; calculating a d...  
WO/2020/182340A1
A drive having an electric motor able to be fed by an inverter, wherein the electric motor is connected to the AC-voltage-side terminal of the inverter by way of feed lines, wherein current sensors for recording the current in one of the...  
WO/2020/180027A1
A home appliance is provided. The home appliance includes a motor configured to execute a predetermined function of the home appliance, and a processor configured to determine an upper limit of noise of the home appliance based on ambien...  
WO/2020/177269A1
An adaptive control parameter adjustment method for a BBMC asynchronous electric motor speed regulation system, the method comprising the following steps: by taking control parameters of finite time control as optimization objects and ta...  
WO/2020/166337A1
This electric actuator device for a flying object comprises: an inner rotor motor that is mounted on the flying object and generates thrust for the flying object; a motor driver that supplies a drive signal to the inner rotor motor; a fl...  
WO/2020/162660A1
The present invention relates to a vibration damping system and a method for estimating the cutting force of a machine tool using same. According to the present invention, the vibration damping system comprises: a housing; a stator dispo...  
WO/2020/156782A1
The invention relates to a method for controlling an inverter which is electrically connected to an electric motor, having the following steps: defining a modulated voltage (S1) for the inverter, said voltage being based on a first switc...  
WO/2020/097506A3
Techniques for managing a distributed control system for a motor control switch are described. A request to implement a first controller for a motor control switch is received. Embodiments determine a plurality of functional modules for ...  
WO/2020/151006A1
A rotational speed control device for a motor, a motor, and a food processing apparatus. The rotational speed control device comprises: a rotational speed feedback circuit (10) and a rotational speed control loop (20). The rotational spe...  
WO/2020/135389A1
A motor compensation method and device, a driver, and a system. Said method comprises: controlling a motor to rotate by a preset angle value, the preset angle value being an angle value corresponding to multiple parts obtained by equally...  
WO/2020/139221A1
The present invention relates to a motor (1) comprising a connection table (2) wherein nine connection elements (6) are positioned so as to form a 3x3 matrix, which are composed of a mains connection group (3) which provides the connecti...  
WO/2020/134159A1
Disclosed are a control unit (40) and a determination method for determining the rotation direction of an electric motor (10) of an electric tool, and an electric tool comprising the control unit (40). The electric motor (10) is a bidire...  
WO/2020/124934A1
Disclosed is a servo motor load inertia measurement method, comprising: when a motor is shipped from a factory, measuring natural frequencies fn of a speed loop under different JL/JM values, and producing a two-dimensional table of natur...  
WO/2020/132420A1
Apparatus features a signal processor configured to receive signaling from a flux sensor containing information about a residual field from an electrical supply to a motor of a driven machine and a magnetic field from one or more rotatin...  
WO/2020/126133A1
Control commands (C) are specified for a control device (4) of a machine, said control commands defining a sequence of ideal position target values (x*) for a position-controlled shaft (1) of the machine. This sequence has successive sec...  
WO/2020/119208A1
Disclosed is a method for controlling the rotational speed fluctuation of a single rotor compressor, comprising the process of controlling the compressor according to the real-time angle speed and the torque. The process of controlling t...  
WO/2020/120618A1
The invention relates to a method (100) for processing a signal in order to extract a useful signal from a disturbed signal P1 if the disturbed signal P1 is formed as a sum of a sinusoidal component S1 and an additional component X1. The...  
WO/2020/122110A1
This vibration control device comprises: a soft magnetic rotor that is fixed to an output shaft of a rotation drive part or to a shaft rotating in conjunction with the rotation of the output shaft, and rotates according to the rotation o...  

Matches 1 - 50 out of 16,511