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Matches 301 - 350 out of 20,798

Document Document Title
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...  
WO/2015/125909A1
The purpose of the present invention is to further improve the accuracy of machinery position control. A machinery (12) control device (14) is equipped with: a speed control unit (32) for calculating a torque command for the machinery (1...  
WO/2015/125235A1
This motor rotation angle detection apparatus is provided with: a plurality of motor rotation angle detectors (6, 7) that detect a rotation angle of a motor (1); and a normal angle determining apparatus (8), which has motor rotation angl...  
WO/2015/118678A1
Iron loss is one type of damage to a motor; when iron loss suddenly becomes large in the high-speed range of a motor, the motor cannot be protected by an electronic thermal relay for overload detection which operates at a fixed product o...  
WO/2015/116447A8
A multi-pulse transformer with multiple taps provides a constant magnitude voltage output to a variable speed chiller's compressor motor over a range of input voltages. The 3-phase transformer includes primary windings and a plurality of...  
WO/2015/116447A1
A multi-pulse transformer with multiple taps provides a constant magnitude voltage output to a variable speed chiller's compressor motor over a range of input voltages. The 3-phase transformer includes primary windings and a plurality of...  
WO/2015/110107A2  
WO/2015/112686A1
A method according to an exemplary aspect of this disclosure includes, among other things, electrically diagnosing a failure of a brushless DC motor of a surgical device.  
WO/2015/110130A1
The invention relates to a method for operating a high voltage network (3) of a motor vehicle (1), said high voltage network having a higher voltage than a low voltage network (2), wherein a high voltage network unit (14) of a control de...  
WO/2015/107685A1
A power conversion device that performs variable-speed control of a permanent magnet synchronous electric motor and that is equipped with: a converter; a DC intermediate circuit having a smoothing capacitor; an inverter, which is equippe...  

Matches 301 - 350 out of 20,798