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Matches 1 - 50 out of 13,427

Document Document Title
WO/2019/081227A1
The invention relates to an electrical control system for an electric motor of a robot, which comprises a rectifier circuit, a DC voltage intermediate circuit and a multichannel inverter module. A first inverter circuit of the inverter m...  
WO/2019/078045A1
The present invention obtains a motor drive device having a long life. The motor drive device (11) is provided with a motor drive circuit (3) for supplying AC current to a motor (2) and a dynamic brake circuit (4). The dynamic brake circ...  
WO/2019/075193A1
Provided is a system for reducing velocity of a conveyance. The system may include a conveyance. A first member of a linear motor may be attached to the conveyance. A second member of the linear motor may include stator coils. The second...  
WO/2019/069363A1
A motor control device according to the present invention drive-controls a plurality of motors connected in parallel with each other, wherein the motor control device comprises: a power conversion device for converting electric power fro...  
WO/2019/065882A1
According to the present invention, when a dynamo-electric machine (80) is in a state of rotation while a contactor (9) is in an open state, an inverter (10) is controlled so as to suitably stop the operation of the inverter (10). An inv...  
WO/2019/060644A1
Systems and methods are provided for braking a translator of a linear multiphase electromagnetic machine. The system detects a fault event, and in response to detecting the fault event, causes the translator to brake using an electromagn...  
WO/2019/057637A1
The invention relates to a machine tool device (12) for a machine tool (10), in particular a portable machine tool (10), having at least one coupling unit (18) for coupling a machining tool (14) and at least one drive unit (16) for drivi...  
WO/2019/057309A1
The invention relates to a method (100) for breaking an electric motor (15) from an active operating state (10) which electric motor (15) is associated with a switching device (60). The method (100) comprises a step (110) in which at lea...  
WO/2019/049683A1
[Problem] To provide a vacuum pump that avoids overvoltage and safely shifts to a regeneration mode, and a motor control device. [Solution] A turbomolecular pump 1 is provided with: a power source unit 4 that converts AC power, acquired ...  
WO/2019/042936A1
The aim of the invention is to provide a method for electrically controlling a motor comprising multiple winding strands, wherein the EM compatibility is improved and simultaneously the running behavior of the motor is kept constant. Thi...  
WO/2019/037823A1
A linear actuator (1) comprises a spindle nut arranged to be moved between two end positions on a spindle driven by a DC motor (2). An end stop switch (31) is arranged to be activated when the spindle nut is in an end position. In its ac...  
WO/2019/039052A1
The motor drive control device (1) according to an embodiment is provided with: a motor drive unit (10) which selectively energizes three-phase coils (Lu, Lv, Lw) of a motor (3); a motor control unit (20) which outputs a drive control si...  
WO/2019/034287A1
Drive having a synchronous motor and a converter, wherein the motor phases of the synchronous motor, that is to say in particular the three supply connections of the rotating field winding of the stator of the synchronous motor, can be s...  
WO/2019/021128A1
The invention relates to a load dump for example for connection to a dynamic brake resistor and is especially useful when several motor drives and motors are operating together, are interconnected in one system. A load dump for connectio...  
WO/2019/020980A1
A method of controlling an induction motor, an apparatus and a computer program product are disclosed. The method comprises: in response to an indication that a rotational frequency of the rotor is to be reduced from an initial operating...  
WO/2019/016050A1
The invention relates to an instrumentation and control method (100) for a rotating electrical machine (1), in particular for a motor vehicle, said rotating machine (1) comprising a voltage regulator (11), said method comprising a step o...  
WO/2019/013107A1
This shift range control device switches a shift range by controlling the driving of an electric motor (10). An angle calculation unit (51) acquires an electric motor rotational angle signal outputted from an electric motor rotational an...  
WO/2019/009644A1
The present invention relates to a motor drive apparatus and, more particularly, to a motor drive apparatus capable of immediately restarting by maintaining sensorless control during a stop operation of a motor. The motor drive apparatus...  
WO/2018/220354A1
A controller for an electric motor system including a three phase bridge inverter having a plurality of high side switches and a plurality of low side switches, the controller comprising means arranged upon detection of a fault in one of...  
WO/2018/220798A1
In order to more reliably stop a motor in an emergency and maintain a healthy state, the motor control device (1) according to the present invention is provided with: a power supply unit (5) for supplying current to a motor (2); a curren...  
WO/2018/215472A1
The invention relates to a method and to a device for controlling the operation of a drive train of a system, in particular a power generation system, having a rotor (1), having an electric machine (8) connected to a network (10), and ha...  
WO/2018/193881A1
The motor driving device 1 according to one embodiment of the present invention drives a motor 10 including three-phase coil portions 11A-11C and is provided with a drive circuit 20 and a switch circuit 30. The drive circuit 20 has three...  
WO/2018/190284A1
A shift range control device (35) that is applied to a shift range switching mechanism (12), which includes a rotation member (16) having multiple recesses and an engagement member (17) for engaging with any of the recesses and thereby f...  
WO/2018/168085A1
A motor control device 1 has: a drive signal generation unit 14 that generates a drive signal in accordance with the rotational torque generated by a DC motor 2 and outputs the drive signal; a sensor interface unit 15 that receives a det...  
WO/2018/162029A1
The invention relates to a purge pump system (1) of a vehicle (2) for purging C-H-gas of a tank system (3) to an induction line (4) of a combustion engine (5) of the vehicle (2), comprising a purge pump (6) and gas connection lines (7) f...  
WO/2018/163363A1
A motor driving device (100) comprises: an inverter (50) that is connected to terminals connected to a winding of a motor (70) having a winding, the inverter (50) applying an AC voltage to the motor (70); a switching part (60) that is co...  
WO/2018/158220A1
The invention relates to a drive system for a working machine, comprising an electric main drive; a switching device for connecting the main drive to an electric main grid; an electric auxiliary drive; a frequency converter for controlli...  
WO/2018/160122A1
An electrical synchronous machine (1) comprises a rotor (20) with rotor field windings (22) and a stator (10) with stator windings as well as a rotor power supply (50) and a stator power supply (60). The rotor power supply (50) is arrang...  
WO/2018/153327A1
Disclosed in the present invention is a control circuit applicable to a motor, having a driving state and a braking state. The control circuit has a driving state and a braking state. A driving branch comprises a branch formed by a stato...  
WO/2018/155332A1
A shift range control device (40) that switches shift ranges by controlling the drive of a motor (10) and comprises a first switching control unit (71), an inversion control unit (76), and a second switching control unit (77). The first ...  
WO/2018/143182A1
A drive circuit 50 of an electromagnetic brake 4 is used in a circuit 1 that is provided with: a motor 2; a converter 10 which converts alternating-current voltage into direct-current voltage so as to cause the direct-current voltage to ...  
WO/2018/115063A1
The present invention relates to a swing door operator for moving at least one door leaf between a first and a second position, comprising a motor and a mechanical drive unit adapted to be connected to and to move the at least one door l...  
WO/2018/104417A1
Method for controlling the speed of rotation of an electric motor (M), notably an asynchronous electric motor, by means of a variable speed drive (10) supplied with power by a mains electrical power supply (L1, L2, L3), in which method i...  
WO/2018/099701A1
The invention relates to a method for switching off a current-excited synchronous machine of a motor vehicle comprising a rotor (R) and a stator (S) and supplied by means of power electronics, wherein the rotor (R) is supplied via an exc...  
WO/2018/100942A1
The purpose of the present invention is to provide an electric tool capable of achieving inhibition of reaction due to braking in good balance with inhibition of voltage jumping due to regenerated energy. A grinder (1) is provided with a...  
WO/2018/047924A1
A shift range switching device (40) that: controls the driving of a motor (10) and thereby switches shift range; and comprises a feedback control unit (60), a fixed-phase electrification control unit (70), and a switching control unit (7...  
WO/2018/043258A1
Provided is a highly reliable power conversion device. This power conversion device (30) is equipped with: a power conversion unit (31), which has upper arm switching elements (S1, S3, and S5) connected to the positive side of a smoothin...  
WO/2018/041298A1
The invention relates to a shock absorber for a motor vehicle comprising two absorber parts, which can be moved relative to each other, and a rotating electric machine, which effects a displacement between the absorber parts. The electri...  
WO/2018/030362A1
Provided is a motor driving circuit which is provided with an upper switching element and a lower switching element serially connected to the upper switching element, and which drives a brushless DC motor. This motor driving circuit is p...  
WO/2018/025164A1
A method for controlling an electric motor, the method comprising receiving a command to place the electric motor in a short circuit mode; varying a limit to an available pulse width modulation depth for controlling current flow in the e...  
WO/2018/024832A1
The invention relates to a soft starter (10) for connecting at least one main circuit (12, 14, 16), each of which includes a bypass circuit (20) having a semiconductor switch (22). Said soft starter (10) comprises a control unit (40) for...  
WO/2018/015023A1
The invention relates to a converter system and a method for operating a converter system with a feedback function, in particular a block-type feedback function, having at least the following: - an inverter (101), in particular a first i...  
WO/2017/205342A1
Improved apparatuses and methods of returning magnetic energy of a motor to the motor system. Improved battery systems and configurations are disclosed to enhance recovery of magnetic energy of a motor, to enhance motor efficiency. A pow...  
WO/2017/202697A1
Disclosed is a method for recognizing motion impairment in a drive device (14), in which method a movably mounted element (15) is moved towards a target position (20) by means of an electric motor (16) whilst the drive device (14) is exp...  
WO/2017/200906A1
A method of adjusting the closing force of a door coupled to a door closer assembly having a bias element. The method includes determining the kinetic energy of the door without using the weight or dimensional aspects of the door. The de...  
WO/2017/194196A1
Converter system comprising an AC/DC converter and method for operating a converter system, wherein the DC-voltage-side terminal of the AC/DC converter feeds a series circuit, comprising a braking resistor and a controllable switch, in p...  
WO/2017/186319A1
The invention relates to a method for switching off a polyphase electrical machine (110) in a motor vehicle, wherein the polyphase electrical machine (110) has a rotor with a rotor winding (101) and a stator with a polyphase stator windi...  
WO/2017/186505A1
One aspect of the invention relates to a method for shifting a transmission, which can be shifted into different gears, for a motor vehicle, wherein the motor vehicle comprises an electric machine which is connected to the input of a tra...  
WO/2017/187128A2
A method for controlling an electric motor having a rotor, the method being carried out after a shut down of the motor has been initiated, the method comprising: starting a timer in a motor controller; performing regenerative braking to ...  
WO/2017/187128A3
A method for controlling an electric motor having a rotor, the method being carried out after a shut down of the motor has been initiated, the method comprising: starting a timer in a motor controller; performing regenerative braking to ...  

Matches 1 - 50 out of 13,427