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WO/2023/151744A1 |
The invention relates to a method for rotational speed build-up (10) of an encoderlessly operated electric motor (12), comprising a stator (14) and a rotor (16) that can be rotated at a rotational speed (n) relative to said stator by cha...
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WO/2023/152367A1 |
The invention relates to a method for operating an electric drive system for electrically driving a vehicle, the method comprising selecting, from a plurality of pulse width modulation patterns for operating the electric drive system and...
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WO/2023/147791A1 |
A magnetic levitation refrigeration compressor control system, the system comprising a machine control unit, an upper machine, a unit device, a magnetic levitation refrigeration compressor and a frequency converter. The magnetic levitati...
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WO/2023/147965A1 |
The present invention relates to an electrical drive system for or in a motor-vehicle, having at least one multi-phase electric machine, which has a double rotor, wherein the double rotor is made from flux-guiding material made of solid ...
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WO/2023/150354A1 |
An electric machine controller is described that is arranged to direct a power converter to cause pulsed operation of the electric machine in selected operational ranges to deliver a desired output. The pulsed operation of the electric m...
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WO/2023/143754A1 |
The invention relates to a method for determining an advance control angle (W) of a synchronous motor (10), comprising the following method steps: actuating a winding system (14) of the synchronous motor (10) to set a defined operating p...
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WO/2023/143714A1 |
The invention relates to a method for determining a load angle (LW) of a synchronous motor (10; 110), having the following steps: actuating a winding system (14) of the synchronous motor (10; 110) in order to set a defined working point ...
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WO/2023/139808A1 |
A target-motor-torque-command-value-setting unit includes a basic-torque-command-value-setting unit for setting a basic torque command value, a correction unit for correcting basic target torque set by a basic-target-torque-setting unit ...
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WO/2023/135812A1 |
A direct current estimation device that estimates the value of a direct current in a power conversion device converting direct current to alternating current and outputting the resulting current to a rotary electrical machine, said direc...
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WO/2023/136237A1 |
This control device controls an N-phase inverter when N is an integer of 3 or more. The control device comprises: a lowpass filter; a current detection unit; and an average processing unit. The lowpass filter has a frequency characterist...
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WO/2023/137412A1 |
A power tool that includes a housing, a brushless motor, a power switching circuit, and an electronic controller. The brushless motor is within the housing. The brushless motor includes a rotor and a stator. The rotor is coupled to a mot...
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WO/2023/133773A1 |
A temperature detection method for an electric motor, a control method, a device, and a storage medium. The temperature detection method comprises: acquiring an input combination signal, which is inputted into an electric motor, the inpu...
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WO/2023/116133A1 |
Disclosed in the present application are a motor-based vibration sense adjustment method and device, and a computer-readable storage medium. The method comprises the following steps: performing displacement prediction on a motor by frequ...
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WO/2023/111415A1 |
The invention relates to a control device for controlling a synchronous electric motor comprising a rotor and a stator, said stator being equipped with a winding (Ph1, Ph2, Ph3) that is energized electrically by an inverter, said inverte...
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WO/2023/110204A1 |
The invention relates to a method for operating an electric motor (2) and for determining a component temperature (Trotor) of a component (21, 22) of the electric motor (2), said method having the following steps: providing one or more o...
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WO/2023/113726A1 |
The invention relates to a half-closed-loop scalar control method for torque/speed control of squirrel cage induction machines. In the scalar control method, a nonlinear equation solver developed on top of a linear PI controller is used ...
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WO/2023/099485A1 |
The invention relates to a method (20) for monitoring a drive unit (1) of a vehicle (10), the drive unit (1) comprising an electric motor (2) and a control unit, the method comprising the steps of: actuating (21) the electric motor (2) w...
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WO/2023/098960A1 |
The invention relates to a method for controlling an electric motor which is easily adaptable to different types of motors. The invention also relates to a control device for carrying out such a method.
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WO/2023/099484A1 |
The invention relates to a method (20) for monitoring a drive unit (1) of a vehicle (10), the drive unit (1) comprising an electric motor (2) and a control unit, the method comprising the steps of: actuating (21) the electric motor (2) w...
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WO/2023/093301A1 |
A method for controlling an orthogonal encoder using multiple zero-point signals. The method comprises the following steps: selecting a corresponding pulse accumulation mode and number-of-pole-pairs mode according to the magnitude of a r...
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WO/2023/094605A1 |
The invention relates to a method for operating an electric drive system (100), wherein the electric drive system (100) has a first controlled system with a first controller (1), wherein the method has the following steps: - automaticall...
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WO/2023/094522A1 |
The invention relates to a method for controlling an output torque (50) in an electric powertrain (110) of a self-driving working machine (100) for a traction control system of the self-driving working machine (100). The method is charac...
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WO/2023/089509A1 |
A method of driving a synchronous motor is described, comprising: generating a drive signal comprising a non-continuous series of full cycle pulses of a specified time period, the timing of such full cycle pulses corresponding to a desir...
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WO/2023/087564A1 |
The present application provides a motor control method and apparatus, a control system, and a readable storage medium. The motor is used for driving a movable structure to move towards a target position. The method comprises: during mov...
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WO/2023/084438A1 |
Method for reconfiguring an electric machine including a rotor arranged to rotate with an angular speed (ω), the electric machine being arranged to pass from a first configuration (config1) to a second configuration (config2), the metho...
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WO/2023/084830A1 |
An excitation waveform determination device (100) sets an initial candidate solution group (IS) and a new candidate solution group (US) as one or more candidate groups for an excitation waveform on the basis of harmonic superimposition c...
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WO/2023/082539A1 |
Provided are a method and apparatus for determining the load inertia of a motor, a motor assembly, and a storage medium. The method for determining the load inertia of a motor (404, 504) comprises: injecting excitation signals into a dri...
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WO/2023/077930A1 |
A linear motor driving method and circuit, and a related apparatus. The method is applied to a linear motor driving circuit. The linear motor driving circuit comprises a power source module, a control module, a driving module, a linear m...
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WO/2023/081146A1 |
In other features, a refrigeration system is provided and includes a compressor motor, an inverter, a converter and a control module. The inverter is configured to convert a direct current (DC) bus voltage to an alternating current (AC) ...
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WO/2023/073994A1 |
This electric motor drive device comprises: an inverter (30) for supplying an AC voltage, the frequency and voltage value of which are variable, to an electric motor (7) in which a speed change occurs due to a periodical load variation c...
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WO/2023/071641A1 |
The present invention belongs to the technical field of linear resonant actuators. Disclosed are a control method and apparatus for a linear resonant actuator, and a device and a medium. The method comprises: acquiring the current vibrat...
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WO/2023/071642A1 |
The present invention belongs to the technical field of linear resonant actuators. Disclosed are a method for controlling a linear resonant actuator, and a device and a medium. The method comprises: acquiring driving waveform data; on th...
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WO/2023/068487A1 |
A motor control system capable of setting gain, according to one embodiment of the present invention, comprises: a motor control unit, which performs a PID operation so as to generate and output a pulse width modulation (PWM) signal; a m...
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WO/2023/069934A1 |
A method comprises: receiving, by a motor controller, a torque command for a permanent magnet motor of an electric vehicle, wherein the permanent magnet motor is coupled to an inverter having transistors, and wherein the permanent magnet...
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WO/2023/067882A1 |
This variable-speed power device is provided with: a synchronous machine having a stator provided with an armature winding to form an armature, a first rotor having magnetic poles, and a second rotor provided between the first rotor and ...
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WO/2023/067798A1 |
This motor control device is connected to a power converter for converting power from direct current power to alternating current power, and controls the driving of a motor that is driven using the alternating current power. The motor co...
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WO/2023/067278A1 |
The invention relates to a method and system for determining control parameters for a rotary electric machine, comprising: - a two-phase imaginary reference module (17) configured to construct two imaginary two-phase signals (x_α, x_β)...
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WO/2023/067682A1 |
Provided is a servomotor control device that can correct the torque ripple of a servomotor with higher accuracy. The servomotor control device for controlling the servomotor is provided with: a learning control unit that, on the basis of...
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WO/2023/064247A1 |
Systems and methods for providing an adaptive nut removal mode in a power tool. The power tool includes a housing and a motor. The motor includes a rotor and a stator. The stator includes a plurality of stator windings. A power switching...
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WO/2023/054647A1 |
The present invention provides a work machine that has a suitable switching element control circuit. When a trigger switch 5 is turned off and a microcomputer 34 outputs a high-level signal from a port Br, logical operations are carried ...
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WO/2023/053212A1 |
A motor control device (11) controls a motor (11) of a machine device (13). The motor control device (11) comprises: a command value calculation unit (31) for calculating a command value (I*) for controlling a motor (12); and a disturban...
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WO/2023/045530A1 |
The present invention relates to the technical field of motor control, and in particular, to a soft starter control method capable of controlling low-speed forward rotation and low-speed backward rotation of a motor. A forward rotation f...
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WO/2023/030760A1 |
The invention relates to an expanded control scheme for an electrical machine (2). In particular, it is provided to change specifically into a freewheeling state in the event that only a low torque or a low phase current is to be set at ...
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WO/2023/032182A1 |
Provided is an electric motor monitoring device for estimating a torque without obtaining an iron loss resistance. The electric motor monitoring device comprises: a magnetic flux calculation unit (131) for calculating the stator interl...
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WO/2023/028783A1 |
A method and apparatus for updating calibration data of a motor, an electronic device, and a storage medium. The method comprises: obtaining initial calibration data of the motor, the initial calibration data being a state parameter of t...
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WO/2023/028504A1 |
The subject matter of this specification can be embodied in, among other things, a torque motor monitoring system that includes a first observer module configured to receive a first collection of operational information about a torque mo...
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WO/2023/022116A1 |
A current detection device (150, 250, 350, 450, 550) is applied to a control device for a polyphase AC rotary electric machine and detects a phase current flowing in a power line for supplying power to the rotary electric machine. The cu...
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WO/2023/010881A1 |
Provided are a direct current estimation method and system based on a direct-current bus voltage. The direct current estimation method comprises the following steps: under an experimental environment, outputting a direct-current bus volt...
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WO/2023/000863A1 |
Disclosed in the present invention is a current control method, comprising: a power supply, a first rectifying circuit and a second rectifying circuit connected in parallel between positive and negative electrodes of the power supply, an...
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WO/2023/001417A1 |
The invention relates to a method for optimizing an operation of a dynamoelectric machine (1), comprising the following steps: requesting correction data for the dynamoelectric machine (1) by a client (41) from a server (6); transmitting...
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