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Matches 1 - 50 out of 23,148

Document Document Title
WO/2019/087364A1
As a means for determining the presence or absence of a failure of a rotation sensor, a control device of a direct current (DC) motor is provided which is capable of using an output signal of an inexpensive Hall element to generate posit...  
WO/2019/082785A1
A device 1 for detecting rotation direction has a current detector 11 that detects the direction of current flowing in a motor 3, a voltage detector 12 that detects each voltage before and after the motor 3 in a power supply line 4, and ...  
WO/2019/080793A1
A motor driving circuit. The motor driving circuit comprises a first switch (K1), a second switch (K2 and 30), a third switch (K3 and 40), and a first transistor (Q1), where: one end of the first switch (K1) is connected to a power suppl...  
WO/2019/077889A1
This noise removal circuit 1 has: a differential amplifier circuit 11 for amplifying and outputting a voltage change signal indicating the change of motor drive current; a V/I conversion unit 12 for converting a control signal formed on ...  
WO/2019/075934A1
Provided are a transmission method and a transmission apparatus applying the transmission method. The method involves: enabling a circumferential single-pole magnetic area A arranged on a rotary structure body A(1) to magnetically intera...  
WO/2019/074370A2
Driving an electromotor and a brushed electromotor in particular results in ripples in the supply current. The amount of pulses is proportional to the amount of revolutions of the rotor of the electromotor. With a flawless motor, the amo...  
WO/2019/070416A1
An apparatus can comprise a circuit and an electrical element coupled to the circuit. The circuit can include a pulse generator to generate an electrical pulse having a first power and a load. The electrical element can be configured to ...  
WO/2019/071034A1
An apparatus can comprise a DC power supply to generate a DC electrical signal, a pulse generator to generate an electrical pulse, and an electrical element. The pulse generator and the DC power supply can be electrically coupled togethe...  
WO/2019/068517A1
The invention relates to a method for determining a rotation variable of a rotatably mounted rotor (26) of a mechanically commutated electric motor (12), having a motor current path (52) formed between two brush elements (40) of the elec...  
WO/2019/048558A1
The invention relates to an emergency power control device (1) for a DC motor (3). In a non-emergency mode the DC motor (3) is supplied with armature current and shunt current by a power converter (2). The emergency power control device ...  
WO/2019/042537A1
The invention relates to a drive with integrated dynamic load control, comprising: a mains-fed three-phase asynchronous motor having three winding phases connected in star, wherein the phase windings each have at least one field winding ...  
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/2019/044533A1
A motor control device 1 comprises: a motor control unit 20 that controls power to be supplied to a motor 10; a deriving unit 30 that derives the determination ratio of power to be supplied to the motor 10 on the basis of a detection res...  
WO/2019/026585A1
The invention addresses the problem of providing: a transport mechanism that allows both high transport capacity and the protection of transport items and the mechanism itself; a medium processing device using same; and a transport metho...  
WO/2019/022711A1
Examples relate to back electromotive force controllers for influencing movement of a carriage of a device in an unpowered state; the carriage being moveable by a motor responsive to a motor driver; the controller comprising: braking cir...  
WO/2018/226120A1
The invention relates to converter technology and is intended for use as a traction converter in alternating-current locomotives. The technical result is an increase in the power factor, and smooth regulation of the voltage in commutator...  
WO/2018/214380A1
Disclosed are a drive method and a drive circuit (302) for a flat motor (303), and an electronic apparatus (300). The drive method is applied to the electronic apparatus (300) comprising a signal trigger circuit (301), the drive circuit ...  
WO/2018/206846A1
According to an example aspect of the present invention, there is provided a DC to DC converter module for use between an electric power source and an electric motor. The DC to DC converter module having: a DC to DC converter; input term...  
WO/2018/207698A1
A rotation angle detector (100) includes: a rotation angular velocity calculation unit (31) for calculating the rotation angular velocity (ω) of an electric motor (10) on the basis of detection results from a voltage detection unit (10a...  
WO/2018/205973A1
A control device and method for a motor of a power-operated tailgate of an automobile. The control device for a motor of a power-operated tailgate of an automobile comprises a controller (1), a drive module (2), a measurement unit (4), a...  
WO/2018/207680A1
A rotation angle detector (100) for detecting the rotation angle of an electric motor (10) equipped with a commutator (20) includes: a resistance setting unit (37) for setting a resistance value that corresponds to the resistance propert...  
WO/2018/204134A1
A power conversion unit may include two or more power modules for providing high- voltage direct current power to electrical loads, such as one or more propulsion motors aboard an aerial vehicle. Each of the power modules may be controll...  
WO/2018/204550A1
Disclosed herein is a power tool that includes a direct current power source, motor, and motor controller. In some embodiments, the power source comprises a battery pack configured to supply current at a nominal voltage in excess of 100 ...  
WO/2018/199104A1
A rotation angle detector 100 that obtains information on the rotation of an electric motor 10 equipped with a commutator 20 includes: a rotation angle calculation unit 32 for calculating the rotation angle θ of the electric motor 10 on...  
WO/2018/185863A1
Provided is a low-cost control device for a DC motor, the control device having a function of detecting an absolute rotation angle of a rotary shaft. This motor control device is provided with a control unit and an MR sensor unit having ...  
WO/2018/175536A1
An electrically powered vehicle having software to facilitate variable control of a motorized wheel. The software can modify the manner in which electricity is provided to phases of a motor of the motorized wheel. In some aspects, the mo...  
WO/2018/174267A1
Two control input pins INA, INB receive two control input signals from the outside. Corresponding to the two control input signals INA, INB, a logic circuit 110 generates an internal signal SINT that instructs the state of an H bridge ci...  
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/2018/158647A1
An anti-pinch method for an apparatus for automatic movement of sliding windows in a motor vehicle, in particular a power-window apparatus, comprising a d.c. electric motor (M) that moves a window (F) so that it slides along guides, said...  
WO/2018/138807A1
A motor drive device (2) is provided with: a single phase inverter 11 for applying an AC voltage to a single phase motor (12); a position sensor 21 attached to the single phase motor (12) and detecting the rotor rotational position of th...  
WO/2018/135949A8
A control unit is presented for controlling a driving unit arranged for adjustment of one or more first air guiding flaps of a motorised vehicle between a first outer position and a second outer position. The control unit comprises a com...  
WO/2018/135949A1
A control unit is presented for controlling a driving unit arranged for adjustment of one or more first air guiding flaps of a motorised vehicle between a first outer position and a second outer position. The control unit comprises a com...  
WO/2018/123453A1
A device (100) which acquires information relating to the rotation of an electric motor (10) that is provided with a commutator (20) includes: a rotation angle calculation unit (32) that calculates a rotation angle (θ) of the electric m...  
WO/2018/123426A1
Provided is a device (100) for acquiring information on the rotation of a motor (10), said device comprising a rectifier that includes a rotational angular velocity calculation unit (31) for calculating a rotational angular velocity (ω)...  
WO/2018/121548A1
A DC electric drive apparatus and an electric device. The DC electric drive device (10) is provided in an electric device to drive the electric device, and comprises: a DC motor (11), for driving the electric device; a DC power source, f...  
WO/2018/117286A1
The objective of the present invention is to provide a compressor that is applied to a refrigerator without a cycle matching capability or a refrigerator without a control unit and can control the driving of a linear motor by itself, in ...  
WO/2018/116047A1
A modular tool system is disclosed that has a power unit, a battery, a controller, a sensor, and a plurality of tool modules. The hand-held sized power unit can include a motor housing and a motor with a shaft. The controller can variabl...  
WO/2018/095159A1
An unmanned aerial vehicle and control method therefor, the unmanned aerial vehicle comprising: a flight control system (101), an electronic governor (102), a plurality of motors (103) and a propeller connected to the motors (103); the e...  
WO/2018/096421A1
The invention is related to a drive control for driving a dc motor of an electrical household appliance, in particular a hair cutting device such as an electric razor, shaver or epilator, at constant rotational speed. The drive control c...  
WO/2018/087689A1
The present invention relates to an electrical machine for attaining varying torque at different speeds in vehicles by using switch combinations. The electrical machine comprises a coil with multiple sections C1, C2, C3, C4, C5, C6 conne...  
WO/2018/079128A1
A ripple detection device 10 having: a current detection unit 11 that outputs a change in armature current as a voltage change signal; a first smoothing circuit block 12 that extracts a current ripple component and a noise component from...  
WO/2018/076937A1
A voice coil electric motor (30) control method and system, and a controller (10). The voice coil electric motor (30) is electrically connected to a drive circuit (20) and is mechanically connected to a displacement sensor (40), and the ...  
WO/2018/072013A1
An apparatus includes a rotatable common shaft configured to be rotatable about a longitudinal shaft axis extending along the rotatable common shaft. Rotatable electric machines are arranged on the rotatable common shaft. This is done in...  
WO/2018/075815A1
An apparatus, system, and method for connecting an auxiliary device to a model vehicle are provided. The apparatus includes an accessory port connected to an electronic speed controller and an accessory connector connected to the auxilia...  
WO/2018/069380A1
The invention relates to a method for determining the position of an outer part (12) of a vehicle, said outer part being movable between a closed position and an open position by means of at least one mechanically commutated direct curre...  
WO/2018/066550A1
An opening-closing body control device comprises: a switching unit that is provided between a power source device and a drive source; a controlling unit that electrically connects or disconnects the power source device and the drive sour...  
WO/2018/054672A1
The invention relates to a motor device (1) for a switch drive (3) of an electric switch. The motor device (1) comprises a brushless three-phase motor (5) and an electronic control device (7) for controlling the three-phase motor (5). Th...  
WO/2018/050991A1
A method for supplying an inductive load (12) comprising an H-bridge type switching structure (2) coupled to a power supply and comprising a first, a second, a third and a fourth switch (M1, M2, M3, M4) and current measurement means suit...  
WO/2018/048403A1
A circuit includes a pulse generator to generate an output pulse in response to a signal representing rotation of a fan. A timing relationship between output pulses represents speed of the fan. A filter circuit converts the output pulse ...  
WO/2018/037528A1
Disclosed is a control method to be performed by a control device that controls a motor drive system that is provided with a motor to be driven by power supplied from a direct current power supply, and a switch element that controls the ...  

Matches 1 - 50 out of 23,148