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Matches 1 - 50 out of 11,342

Document Document Title
WO/2019/197775A1
The invention concerns a method for controlling a polyphase actuator consisting of supplying each phase with a periodically varying voltage having a periodic sequence of interval Pi, having constant duration and amplitude An,i, where n c...  
WO/2019/190569A1
A method for controlling switched reluctance machine (SRM) utilizing a SRM control system. The method allows for adaptive pulse positioning over a wide range of speeds and loads. An initial rotor position is provided for the SRM utilizin...  
WO/2019/170995A1
The invention concerns a method for controlling a system (1) for a motor vehicle, said system comprising at least: - an actuator, - a volatile memory (RAM) in which at least one item of position information of the actuator (IPRAM) is sto...  
WO/2019/155734A1
The purpose of the present invention is to make it possible, during driving of a stepping motor, to reduce power consumption while stabilizing a stop position during stop control. Accordingly, this motor control device is provided with: ...  
WO/2019/130928A1
Provided are an electrically operated valve control device and an electrically operated valve device provided with the same, with which it is possible for a deterioration in the accuracy of controlling a degree of opening as a result of ...  
WO/2019/125734A1
A method for controlling the drive current in a stepper motor includes measuring stepper motor current, computing a load angle of the stepper motor, calculating a torque ratio of the stepper motor, generating a reference current as a fun...  
WO/2019/119696A1
Disclosed is a stepper motor driver suitable for a mechanical procedure, comprising a base plate (1), wherein an upper surface of the base plate is provided with a placement groove (2), two side faces of an inner wall of the placement gr...  
WO/2019/088924A1
A linear motor is disclosed, the linear motor comprising a longitudinal coil assembly comprising coil units arranged in a cascading manner and a magnet track spaced from the coil assembly, and adapted to move along a path which traces a ...  
WO/2019/059486A1
An image forming apparatus is provided. The image forming apparatus includes an engine unit to be used for performing an image forming job, a motor to start the engine unit, a driver circuit to sense a current flowing in the motor and su...  
WO/2019/034212A1
The invention relates to a method and to a circuit assembly for damping stepper motor resonances during the operation of a stepper motor (M) in particular in the middle and high rotational-speed range, wherein each coil (A; B) of the ste...  
WO/2019/025591A1
Disclosed is a method for controlling operation of an ambulatory infusion device drive (2),the ambulatory infusion device drive (2) including a spindle drive (2) with a stepper motor (21) and a rotary encoder (23) in operative coupling w...  
WO/2019/012634A1
This bathroom drier comprises: a rotating damper (3) which opens and closes a bathroom external blowing port, and the degree of opening of the rotating damper (3) is adjusted by a rotating operation to a position within the range from a ...  
WO/2018/221628A1
The present invention suppresses high-frequency noise in micro step driving of a stepping motor. A motor control device (100) comprises: an H bridge circuit (20); and a control means that drives a switching element of the H bridge circui...  
WO/2018/222886A1
An industrial electrical machine includes a stator; a rotor in magnetic communication with the stator; a plurality of windings disposed in the rotor and/or the stator; and an embedded solid state controller. The solid state controller is...  
WO/2018/206266A1
The present invention provides a servo driver, comprising: a driver, a pulse conversion module and a pulse interface, wherein the pulse conversion module is connected between the pulse interface and the driver, and the pulse conversion m...  
WO/2018/198218A1
Provided is a stepping motor drive device in which a write data calculation unit (131) obtains, from a ROM (30) in which register update patterns are stored, a first register 1 update pattern to be set in a first output data register and...  
WO/2018/161212A1
A motor control system (12), an unmanned aerial vehicle control system (10), an unmanned aerial vehicle (1000), and a motor startup protection method. The motor control system (12) is communicatively connected to an external device (2). ...  
WO/2018/146774A1
A motor control device can perform the drive control of a stepping motor in association with pre-excitation in which, before or when starting to drive the stepping motor, excitation is performed over a first time with a current lower tha...  
WO/2018/134266A1
A method for operating a sensorless-commutation DC machine, in particular a bipolar stepper motor or a brushless DC motor, wherein the DC machine comprises a rotor and a stator having a stator winding, wherein the stator winding comprise...  
WO/2018/072791A1
A method and a circuit arrangement are described, by means of which a stepper motor (M) can be operated by adaptive control across a broad rotational speed range, including standstill, in which the motor is electrically fixed in a specif...  
WO/2018/075539A1
In described examples, first and second power switches (214, 218) respectively energize and de-energize a coil (202) of a stepper motor (204) during each cycle for pulse-width modulating (PWM) (232) the coil current. During a cycle inclu...  
WO/2018/056306A1
[Problem] To provide a motor control device that can suppress degradation of reciprocal AD conversion precision even when an A/D converter is shared with a plurality of motors. [Solution] A motor control device provided to an image forma...  
WO/2018/047216A1
Stored in a storage device (44) is a map of stable stop positions for maintaining a stopped state for which a mounting head (14) is stable when the servo is off in a Y axis linear servo motor (27). A control device of a component mounter...  
WO/2018/043001A1
In order to prevent step-loss in a motor from being erroneously detected when in the resonance range of the motor during acceleration/deceleration of the motor rotation, the present invention provides a motor control device (10) comprisi...  
WO/2018/043077A1
The purpose of the invention is to accurately control a rotation stop position of a motor. A motor control device (100) is provided with a BEMF detection unit (118) and a CPU (101). The BEMF detection unit (118) detects a zero-crossing p...  
WO/2018/035790A1
A horizontal winding machine open loop control method and system, the method comprising the following steps: receiving a control command inputted by a user (S101); analysing the control command to obtain a rotation speed and direction co...  
WO/2018/035786A1
A vertical winding machine reverse rotation control method and system, the method comprising the following steps: receiving a reverse rotation command inputted by a user (S101); acquiring a rotation speed corresponding to the reverse rot...  
WO/2018/035785A1
A horizontal winding machine forward rotation control method and system, the method comprising the following steps: receiving a forward rotation command inputted by a user (101); acquiring a rotation speed corresponding to the forward ro...  
WO/2018/035787A1
An application method and system for controlling reverse rotation in a horizontal winding machine, the method comprising the following steps: receiving a reverse rotation command inputted by a user (101); acquiring a rotation speed corre...  
WO/2018/035778A1
An application method and system for controlling a rotation speed in a vertical winding machine, the method comprising the following steps: detecting a state of a vertical winding machine (S101); receiving a control command of an operato...  
WO/2018/035779A1
A horizontal winding machine state rotation speed control method and system, the method comprising the following steps: detecting a state of a horizontal winding machine (S101); receiving a control command of an operator for the horizont...  
WO/2018/035783A1
A horizontal winding machine pulse control method and system, the method comprising the following steps: acquiring a position of a horizontal winding machine (S101); receiving a rotation command of a user, and calculating a rotation disp...  
WO/2018/035784A1
A step-type vertical winding machine forward rotation implementation method and system, the method comprising the following steps: receiving a forward rotation command inputted by a user (S101); acquiring a rotation speed corresponding t...  
WO/2018/035782A1
A step motor-based vertical winding machine rotation speed control method and system, the method comprising the following steps: acquiring a position of a vertical winding machine (S101); receiving a rotation command of a user, and calcu...  
WO/2018/037832A1
Provided is a motor control circuit that allows high-precision step-out determination in a wide variety of circumstances. A motor control circuit (12) is provided with: an input voltage measurement unit (125); a temperature measurement u...  
WO/2018/025664A1
Provided is a motor control circuit capable of driving a motor by stable driving torque. A motor control circuit (12) is provided with an input voltage measurement unit (125), a temperature measurement unit (128), a current setting unit,...  
WO/2018/025665A1
Provided is a motor control circuit capable of driving a motor by ensuring driving torque in various environments. A motor control circuit (12) is provided with an input voltage measurement unit (125), a temperature measurement unit (128...  
WO/2018/021755A1
Provided is an ice-making apparatus comprising: a control box; a motor part, positioned inside the control box, for generating rotation power; a gear group including at least one gear receiving rotation power of the motor part and having...  
WO/2018/001596A1
Method (100) and apparatus (220) for controlling an inverter (310). In order to supply an electrical machine (210), the inverter (310) converts an input voltage, in particular a DC voltage, from an energy source (230) into an output volt...  
WO/2017/218822A1
In a described example, an apparatus (800) includes: a FET driver circuit (812) configured to supply current to a coil in a stepper motor, the FET driver circuit (812) configured to regulate the current to the coil using a fixed delta cu...  
WO/2017/203982A1
A control unit 36 controls an electric motor 6 on the basis of position data for a window glass 3 and controls an opening-closing operation for the window glass 3. The control unit 36 is provided with a reversal detection unit 57 that de...  
WO/2017/200980A1
An axial brushless DC motor comprising a stator including a plurality of coils, a rotor including a magnet with a plurality of pairs of magnetic poles and adapted for movement relative to the stator in one or more full steps, and a coil ...  
WO/2017/182153A1
The invention relates to a method and to a corresponding device for detecting phase failures in a converter (10), wherein current regulators (26, 28) of a positive phase sequence system (20) and current regulators (40, 42) of a negative ...  
WO/2017/178588A1
The drive mechanism (1) of the control rod (3) comprises a device (35) for monitoring a potential situation of increase to overspeed, configured: to measure the number of control steps delivered to at least one of the first, second and t...  
WO/2017/168434A1
A method for measuring two-phase energy is disclosed. The present method of measurement, measures the power as V*I as against the actual power of 1.15 *V*I which accounts for the error factor.  
WO/2017/153001A1
The invention relates to a valve drive (10) having damping circuitry comprising a capacitive damping circuit (37), which is activated in the event of generator operation of the stepper motor (18). The damping circuitry, together with the...  
WO/2017/141994A1
The present invention comprises: a magnetized rotor(21); a stator (22) including first and second stator magnetic poles which are provided so as to be opposed to each other with the rotor (21) therebetween and a third stator magnetic pol...  
WO/2017/100244A3
A stepper control circuit includes numerical controlled oscillators configured to provide step signals for multiple axes of stepper motor movement. The numerical controlled oscillators are configured to be operated at a same frequency pr...  
WO/2017/083956A1
An energy converting device comprising a plate, a shaft coupled to the plate at a rotation point such that a geometric center of the plate is offset from the rotation point, a plurality of actuators arranged about an first actuator surfa...  
WO/2017/051756A1
Provided is a stepping motor driving device that reduces the occurrence of loss of synchronism when a stepping motor is initially operated. This stepping motor driving device 10 is equipped with a triangular wave generation unit 30, a si...  

Matches 1 - 50 out of 11,342