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Patent Searching and Data


Matches 1 - 50 out of 23,138

Document Document Title
WO/2021/002445A1
This power converter (10, 11) comprise: a dynamo electric machine (30) having armature windings (31 to 33); a first inverter (20) that connects a first end of the armature winding and a first storage battery (100); a second inverter (40)...  
WO/2020/260271A1
The invention relates to an electronic commutator (1000) comprising: • an electronic switch (10) comprising an input terminal (E1) intended to receive a first voltage (BT) referenced with respect to a first electrical reference (GND1),...  
WO/2020/261840A1
The present invention assesses whether a transmission anomaly has occurred in a belt drive transmission, comprising a belt and pulleys, that is present between an electric motor and a rotating machine. The present invention comprises a...  
WO/2020/261586A1
A rotary electric machine control device (1) comprises a plurality of motor sequences that are independent of one another and that each have a motor (3) having a servo mechanism and a drive control unit (2) drive controlling the motor (3...  
WO/2020/255391A1
Provided is a motor control device (100) for an actuator (3) having a motor (4) and a feed screw mechanism (5), said motor control device (100) comprising: a mode setting unit (11) that selectively sets the operation mode of the motor (4...  
WO/2020/250474A1
This servo motor control device controls a servo motor on the basis of an input command value input from a superordinate device 100. The servo motor control device has: a control processing unit 20 which compares an input command value a...  
WO/2020/249167A1
The invention relates to a method for determining the state of an electric motor which has a stator (2) and a rotor (3) rotatably mounted relative to the stator (2). On the basis of a rotational movement of the rotor (3), a pressure diff...  
WO/2020/250483A1
This clutch engagement electric oil pump for an automobile transmission is provided with: a temperature sensor that measures the temperature of oil supplied to an oil supply destination relating to clutch engagement for the automobile tr...  
WO/2020/246371A1
The present invention addresses the problem of preventing elements such as, for example, a coil of a motor and an inverter from being degraded and damaged due to heat generation and obtaining a high vehicle driving performance. This co...  
WO/2020/246038A1
This motor drive device (100) comprises a converter circuit (3) that converts AC voltage outputted from an AC power supply (1) to DC voltage and outputs the resulting DC voltage to DC buses (16a, 16b), an inverter circuit (18) that conve...  
WO/2020/245861A1
The motor device according to the present specification is provided with a motor (1) having a plurality of components including a stator (5) and a rotor (8) and a control device (19) for controlling the motor (1). The motor (1) is provid...  
WO/2020/237341A1
The present invention relates to a method and system for identifying failure in a compressor (4) of a cooling system employing an implementation of at least a failure identification logic and a braking logic, based on monitoring of at le...  
WO/2020/240846A1
A controller 100 comprises: a first inertial body 91; an armature 62 that drives the first inertial body 91 in accordance with supply of electric power; a second inertial body 92; a current control unit 112 that outputs driving electric ...  
WO/2020/239326A1
The invention relates to a system (1) comprising a control device (10) with central electronics (11) designed for the intended connection and operation of differently coded electric motors (En) with different motor characteristics (Mn) a...  
WO/2020/232746A1
A closed-loop motor control system and method. The system comprises a forward processing module (10), a control object module (20) connected to the forward processing module (10), and a system identification module (30) connected to both...  
WO/2020/234256A1
The present invention relates to a method for determining a fault in an electrical machine (100) and to an electrical machine which comprises an electrical drive unit (110) having a drive shaft (134) and a transmission unit (140) which i...  
WO/2020/233250A1
Provided in the present application are a servo motor drive circuit and a 3D printing device. A motion controller is connected to a timer, and is used for sending a drive enable signal to the timer; a pulse period providing unit is conne...  
WO/2020/228909A1
The invention relates to an electric motor (10) comprising a first phase connection (1) and a first phase winding (11) connected to the first phase connection (1), wherein a first RC element (21) for damping natural resonance is provided...  
WO/2020/188175A3
Figure 3 depicts a vehicle wheel control device (4). The control device (4) is configured to determine a first corrective coefficient (α1) of temperature (T) of the motor from a ratio of an angular speed (ω) of the motor to the supply ...  
WO/2020/226029A1
[Problem] To provide an inverter device with which it is possible to reduce a non-operating time by causing the internal temperature of an electrolytic capacitor to increase more rapidly, within a permissible range of ripple voltage. [So...  
WO/2020/225543A1
The present invention describes a motor driven actuator device comprising an actuator motor; a control module; an input for receiving an external power supply; and a battery pack. The battery pack is electrically connected to selectively...  
WO/2020/221985A1
A method of operating an electric or hybrid system comprising a synchronous reluctance electric motor coupled to an electric or hybrid powertrain is described herein. The method comprises determining (i) a torque demand required of the e...  
WO/2020/219847A1
Method and power tool for braking a motor of the power tool. One embodiment provides a method for braking a motor of a power tool. The method includes operating, using a motor controller of the power tool, the motor in accordance with a ...  
WO/2020/217795A1
The present invention addresses the problem of providing a motor control device that can achieve redundancy while suppressing an increase in the number of components and the number of connection signal lines used. The present invention c...  
WO/2020/217282A1
A servo control device (100): feeds back a detected position (Xd) detected by a rotational angle detector (2) to an actuator that drives a mechanical unit (7a) to which a driven body is connected so as to follow a position command (Xc) c...  
WO/2020/217272A1
This motor drive system (300) comprises motor drive devices (200a, 200b) and a controller (125). The motor drive device (200a) drives motors (100a, 124) on the basis of a drive command generated by a control unit (23). The motor drive de...  
WO/2020/217597A1
A servo control device (100): feeds back a detected position (Xd) detected by a rotational angle detector (2) to an actuator that drives a mechanical unit (7a) to which a driven body is connected so as to follow a position command (Xc) c...  
WO/2020/215154A1
The disclosed technology provides systems and methods to employ fault tolerance for rotating electric machines operating as motors or generators. A unique system architecture and control elements allow rotating electric machines the abil...  
WO/2020/217926A1
The present invention determines a failure phase of an AC current sensor without providing a DC current sensor. This control device controls a motor via an inverter circuit which supplies power converted from a direct current into a thre...  
WO/2020/217310A1
This electric motor control device includes: a power conversion device for supplying a three-phase voltage to two electric motors that are connected to each other in parallel; three-phase power lines for connecting one electric motor amo...  
WO/2020/213265A1
This monitoring device is provided with: a current sensor for detecting two-phase current information for each of a plurality of drive motors; a motor information calculation unit for calculating the torque current or rotational speed of...  
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/2020/213062A1
This motor control device is provided with: a motor state observation unit (1) for outputting a motor state signal; a first torque estimation unit (21) for outputting a first estimation torque and a physical state variable on the basis o...  
WO/2020/212135A1
The present invention relates to an electric machine (100) for a vehicle, and to a method for determining a fault in an electric machine (100). The electric machine (100) according to the invention comprises a rotor shaft (134) which can...  
WO/2020/214321A1
A capacitor (C1) and other components are added to the motor starter control circuit (106) in order to supply power to the contactor coil (MX1) during undervoltage events. In order to avoid adding an additional active device in the contr...  
WO/2020/213709A1
An aspect of a driving device of the present invention is a driving device for rotating an axle of a vehicle, the driving device comprising: a motor; a transmission device including a speed reducer connected to the motor; a housing accom...  
WO/2020/211409A1
Disclosed are a vending machine, a direct-current motor control system, and a direct-current motor control method and apparatus. The control system comprises an electric motor on-line detection module, an electric motor blocked rotor det...  
WO/2020/213507A1
One embodiment of the drive device according to the present invention rotates vehicle axles and is provided with: a motor; a deceleration device connected to the motor; a differential device connected through the deceleration device to t...  
WO/2020/208743A1
This abnormality diagnosis device for electric motor equipment is provided with a monitoring diagnosis unit for diagnosing abnormalities of an electric motor and a power transmission mechanism on the basis of a monitoring result of curre...  
WO/2020/209366A1
[Problem] To enable constant monitoring of a vibration state of a vibration unit and prompt detection of mechanical failure, failure in a vibrating electric motor, or the like, and to prevent any decrease in a purification function throu...  
WO/2020/204034A1
Provided is an overload protection device that can control overload of a motor by means of more accurate torque values. An overload protection device that comprises a current measurement means that sequentially measures the current flo...  
WO/2020/206004A1
The system determines that a multiphase electric motor is in a low-speed operating range, near stall. The system determines a duty cycle for each phase of the multiphase electric motor. The duty cycle includes a nominal component and a z...  
WO/2020/202655A1
A drive device for a permanent-magnet synchronous machine has a power converter 102 that drives a permanent-magnet synchronous machine 103, and a controller 101 that controls the power converter 102. The controller 101 comprises: a torqu...  
WO/2020/203476A1
A conveyor system 1 comprises: a conveyor device 2 that transports an object to be transported; a local abnormality detection unit 56 capable of detecting a plurality of types of abnormality in the conveyor device 2; and an abnormality d...  
WO/2020/203477A1
The present invention comprises: a conveyor device 2 that is equipped with a local controller ZC that controls the transport operation of each zone; and a host controller 3 that provides notification of information related to the cause o...  
WO/2020/194408A1
This motor drive circuit (100) supplies the power supplied from a commercial power supply (1) to a motor (7) and is provided with: a first thermistor (10) for preventing rush current from the commercial power supply (1); a first thermal ...  
WO/2020/195677A1
Provided is a servo DC power supply system which can suppress voltage oscillation in a power supply path. Each motor control device of the servo DC power supply system employs a device comprising a current control loop unit that controls...  
WO/2020/193672A1
The present invention relates to an open circuit diagnosis apparatus for a motor drive circuit, the open circuit diagnosis apparatus comprising: a Miller plateau detection unit which detects whether there is a Miller plateau region in a ...  
WO/2020/188886A1
This power conversion device is provided with a main circuit unit, a control unit (12), a current sensor, and a half-wave rectifier. The control unit (12) is provided with current frequency calculation units (42, 51) and monitoring units...  
WO/2020/188956A1
This motor control method inputs one or more controlled variables or target values expressing the state of a motor as input values into one or more node layers, and by calculating in the one or more node layers, outputs one or more manip...  

Matches 1 - 50 out of 23,138