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Matches 251 - 300 out of 20,649

Document Document Title
WO/2016/005074A1
The invention relates to a method for determining a rotor temperature of an electric motor, in particular an asynchronous motor, the rotor temperature being determined at least in accordance with reactive powers and/or in accordance with...  
WO/2016/000328A1
An electric motor controller and an electric motor applying same, comprising a control box, a control circuit board and a lower insulating pad, wherein a cavity is provided in the middle of the control box, the control circuit board is m...  
WO/2016/001194A1
According to the invention, the electric motor is electrically commutated with the aid of circuitry, in which the phase current experiences a zero crossing at certain time points per motor phase. Owing to the inductive load portion, the ...  
WO/2016/003824A1
A system in which the operation of an electric motor is controlled by electronically controlled switches. The system includes the motor having a run winding and a start winding, a heating component, and a motor control subsystem. A contr...  
WO/2015/199176A1
A rotating electric machine winding temperature estimation device is equipped with: a rotating electric machine equipped with a stator having windings and a rotor; a refrigerant supply unit for supplying a refrigerant; a temperature sens...  
WO/2015/197183A3
The invention relates to a method for operating a drive device (2) of a motor vehicle (1), comprising at least one electric machine (6) that includes a phase angle transducer (11), and an output shaft that can be operatively connected to...  
WO/2015/194282A1
The present invention addresses the problem that when one arithmetic unit has been diagnosed as being faulty, control by the other arithmetic unit could not be continued, resulting in it not being possible for control of a motor installe...  
WO/2015/193948A1
If error exists between the actual resistance of an AC rotary machine and an estimated resistance estimated from the temperature outside said AC rotary machine, said AC rotary machine cannot rotate smoothly. In light thereof, this invent...  
WO/2015/193172A1
The invention relates to a method and to a system for controlling the waste heat generated by a motor vehicle having an electric drive, the electric drive comprising a rechargeable battery and an electric machine for driving the motor ve...  
WO/2015/185417A1
The invention relates to a device (1) for actuating and/or monitoring a brushless direct current motor (3), preferably for safety-relevant applications, preferably while operating or controlling a vehicle or components of a vehicle. The ...  
WO/2015/186406A1
The purpose of the present invention is to provide a periodic disturbance automatic suppression device which suppresses torque ripple while correcting current sensor error. This periodic disturbance automatic suppression device is provid...  
WO/2015/185410A1
A method is proposed for adjusting an actuator (300) of a positioning system (100). The positioning system (100) has an electronically commutated actuator drive (200) which is coupled to the actuator (300), wherein the actuator drive (20...  
WO/2015/182446A1
Provided is an elevator car movement control device capable of determining a light load direction without using a load sensor and a torque sensor at the time of a power failure and moving a car. A control unit of an inverter (80) for sup...  
WO/2015/177912A1
In order to generate a command by a simple calculation, a command generation device (1) comprises: a time function processing unit (102) for generating a command for each control period according to an input from the user, said command b...  
WO/2015/177878A1
A rotating machine control device comprises: a power conversion unit (3) for converting externally supplied DC power to AC power to generate the drive power for a rotating machine (1); a voltage command generation unit (5) for generating...  
WO/2015/179364A3
A handheld AC power tool is provided. The power tool is comprised generally of: a brushless DC motor; a power cord connectable to an AC power socket; a converter circuit configured to receive input power from the power cord and operable ...  
WO/2015/173878A1
The present invention is provided with a configuration such that a motor control constant to be set in a motor control device is automatically calculated on the basis of: a target response time constant obtained from a target response ti...  
WO/2015/174551A1
 The present invention is provided with: a capacitor (5) for supplying electrical power to a PM motor (4); a PM inverter (13) connected to the PM motor (4); a voltage converter (8) including a transformer-coupled booster that outputs, ...  
WO/2015/169731A1
The invention relates to a method for controlling an electronically commutated electric motor (1), said electric motor (1) comprising a rotor having a rotor shaft (3), and a stator (2) having at least two coils (5), wherein the coils (5)...  
WO/2015/169479A1
The present invention provides a device and a method for changing the operating state of an electric machine to the free-wheeling mode, in which significant excessive increases in voltage can be avoided. In the freewheeling mode, the ind...  
WO/2015/170747A1
A magnet temperature estimation device for a rotating electric machine comprises: a rotating electric machine consisting of a rotor having a magnet and a stator having a coil; a refrigerant supply unit for supplying a refrigerant flowing...  
WO/2015/163063A1
In order to extract the fluctuation in friction due to an abnormality upon removing the effect of temperature change, there is provided a motor control device provided with: a command generator (6) for outputting a drive command signal a...  
WO/2015/159385A1
A resonance motor system of the present invention is characterized in being configured from: a resonance motor, which has a resonance circuit configured from an electromagnetic coil and a capacitor, and which generates power by being rot...  
WO/2015/156063A1
 The present invention mitigates electromagnetic noise that is generated from a substrate on which a microcomputer, etc., are mounted. In the present invention, an electric compressor control system has regions (10, 20, 30) divided by ...  
WO/2015/155650A1
An actuation system (1) comprising a renewable source (2) for generating electric power, which is connected directly to an electric motor (3) with an onboard inverter (6), the electric motor (3) comprising a motor body (4) that is associ...  
WO/2015/153444A1
A system and method for detecting, localizing and quantifying stator winding faults in AC electrical machines is disclosed. A diagnostic system configured to detect a stator winding fault in an AC electrical machine includes a processor ...  
WO/2015/151241A1
A motor control device comprises: a control processing unit (22) for controlling the driving of a motor (3) on the basis of a command signal input from a controller (1) and a detection signal that is the result of detecting the operation...  
WO/2015/151231A1
[Problem] To reduce the effects of leakage flux, for instance, from outside an encoder. [Solution] An encoder (100) comprises: a magnet (MG) that is rotated around a rotational axis (AX); a magnetic sensor (130) that detects magnetism ge...  
WO/2015/149986A1
The invention relates to a driver assembly, comprising a predetermined number of semiconductor switches, wherein one of the semiconductor switches is arranged within a circular line, and the remaining semiconductor switches are arranged ...  
WO/2015/151232A1
[Problem] To provide an encoder, an encoder-equipped motor, and a servo system in which detection accuracy can be improved with a simple configuration. [Solution] This encoder comprises: a disk (110); a shaft (SH) to which the disk (110)...  
WO/2015/153778A1
A method for limiting the torque of a permanent magnet AC motor includes a torque limit controller. The torque limit controller at least in part bases the torque limit on a selected direct voltage limit. The selected direct voltage limit...  
WO/2015/151242A1
 Provided are: a control processing unit for controlling the driving of a motor on the basis of a detection signal, which is the result of motor operation detection, and of a command signal for commanding the operation of a motor upon ...  
WO/2015/146775A1
Provided is an electric brake device that can improve control precision without requiring a cost increase. This electric brake device comprises an electric motor (2), a brake rotor (5), a friction pad (6), a transmission mechanism (4), a...  
WO/2015/146841A1
In the present invention, a current command value setting unit (136) uses first and second magnetic interference models to calculate current command values (Iin_d_ref, Iin_q_ref) for a rotor winding (30) and current command values (Iout_...  
WO/2015/146688A1
Provided are an electric brake device and an electric brake device system that can prevent pad wear from exceeding a limit and progressing and that can estimate friction pad wear without increasing cost or using more space. This electric...  
WO/2015/140960A1
An AC rotating machine control device comprises: a power converter (4) having a plurality of switching elements connected to an AC rotating machine (2) and applying a voltage to the AC rotating machine (2); a switch (5) for opening and c...  
WO/2015/140432A1
A method for managing the operation of a starter configured to start a heat engine comprising: a step of determining a first temperature value; a step of determining thermal coefficients corresponding to the first temperature value of a ...  
WO/2015/141449A1
Provided is a hybrid wheel loader capable of reliably detecting the short-circuit state of a synchronous power generator operated by a driving source. The hybrid wheel loader of the present invention comprises: a MG (4) that is a synchro...  
WO/2015/139713A1
The invention relates to a motor of an electrical device, in particular of an electrical domestic appliance, which has an absolute power limit (P.limit), above which the motor cannot be operated without being damaged, and a nominal power...  
WO/2015/135804A1
The present disclosure relates to a method of determining a fault condition in a synchronous machine. The method comprises a) obtaining a field current signal and a shaft voltage signal of the synchronous machine, b) transforming the fie...  
WO/2015/136672A1
[Problem] To avoid erroneous control by prompting a user to confirm the setting of control parameters in accordance with the type of a connected motor. [Solution] A motor control device (12) for controlling the driving of a motor (11) eq...  
WO/2015/129358A1
Provided is a work tool that can suppress temperature elevation in a motor or a switching element. The work tool is provided with: a motor; a switching element for switching between an ON state in which energization of the motor is allow...  
WO/2015/129207A1
A control parameter adjustment method of the present invention used in an electric motor control device comprises the steps of: calculating first frequency characteristics (step 1); calculating a present speed proportional gain range (st...  
WO/2015/130629A1
Wind turbine systems and methods for operating wind turbine systems are provided. A method includes monitoring an operating condition of the wind turbine system, and determining whether the operating condition has exceeded a predetermine...  
WO/2015/129030A1
 A motor selection device, characterized in comprising a suitability determination means for determining whether a plurality of motors is suitable for predetermined specifications, a first motor selection means for selecting one or mor...  
WO/2015/131180A1
A vehicle torque safety monitor is provided. The safety monitor includes a vehicle power estimator configured to estimate a first mechanical power of a first electric motor and a second mechanical power of a second electric motor. The sa...  
WO/2015/128639A1
A motor bridge driver integrated circuit comprises a first set of input ports arranged to receive control signals from a first microprocessor,a second set of input ports arranged to receive control signals from a second microprocessor,an...  
WO/2015/125214A1
A motor control circuit controls motor operation according to an input voltage and a control parameter. A voltage abnormality detection unit detects an abnormality of the input voltage by comparing the input voltage with an allowable vol...  
WO/2015/124855A1
The invention relates to a method for detecting a short circuit between the phases of a polyphase synchronous machine (1) comprising a stator (2) and a rotor (3), said machine being fitted with at least one angular position sensor (la) o...  
WO/2015/124876A1
The invention relates to a method for measuring ageing of permanent magnets (4) of a synchronous machine (1) comprising a stator (2) and a rotor (3), said machine (1) being fitted with at least one angular position sensor (la) of the rot...  

Matches 251 - 300 out of 20,649