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Matches 1 - 50 out of 11,229

Document Document Title
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...  
WO/2017/043629A1
Provided is a drive circuit (10) for a two-coil step motor having: a rotor (51); a stator (52) that has first, second, and third stator magnetic poles; a coil A magnetically coupled to the first stator magnetic pole and the third stator ...  
WO/2017/022533A1
To achieve an optimal joint torque of a robot device through a simple task. A robot device according to the present invention is provided with a multi-joint arm mechanism having a plurality of joint parts (J1-J6). A motor driver (210) ge...  
WO/2017/017557A1
Methods of compensating for play and for initializing a position encoder in an actuation system (2) including an actuated system (8) comprising an elastic element, and an actuator (4) with a stepper motor (12) having at least one electri...  
WO/2017/011568A1
A sensor housing system is used to monitor the lifetime of a motor or other device. A protected housing shields a microprocessor and several sensors. The device communicates to a user information about the health of the motor or other de...  
WO/2017/002810A1
This weighing apparatus (1) is provided with: hoppers (4, 6, 9) having gates (5, 8, 10) with each hopper configured to receive an object to be weighed from outside and, after letting the object stay temporarily, discharge the object thro...  
WO/2016/207952A1
According to the present invention, if a feeder receives an instruction to determine whether or not maintenance of the feeder is required, the feeder controls the drive of a drive motor by setting, as a reference voltage Vref of a pulse ...  
WO/2016/180890A1
The invention relates to a positioning drive (15) and to a method for positioning an output element (16). The positioning drive (15) has a first stepping drive unit (21), which has a first stepping drive open-loop controller (22) and a f...  
WO/2016/170712A1
Obtained is a step motor control device capable of preventing step-out with a simple configuration. This step motor control device controls the angle of a step motor on the basis of an angle command, and is provided with: an angle comman...  
WO/2016/147511A1
Provided is a device for controlling a stepping motor, with which it is possible to reduce noise produced at the beginning of pulse output while minimizing any increase in cost and any decrease in the torque of the stepping motor. This d...  
WO/2016/147590A1
According to the present invention, an air-conditioning ECU (10) transmits a communication message in the format of controlling a stepper motor. Since the stepper motor and a DC motor are controlled by the communication messages in respe...  
WO/2016/139060A1
The invention relates to a method and a device for position determining in a rotatory electric step motor (1, 100) comprising a stator (10, 110) and a permanent-magnetic armature (20, 120) rotatably arranged in the stator (10, 110), wher...  
WO/2016/127611A1
A speed regulation method for a controllable fan, at least comprising: whenever a speed regulation device for a controllable fan makes a decision that a rotational speed of the fan needs to be decreased, if the speed regulation device fo...  
WO/2016/125383A1
The present invention achieves both highly accurate positioning control and high-speed speed control. The present invention is provided with a high-resolution encoder (11) for positioning control, and a low-resolution encoder (21) for sp...  
WO/2016/113227A9
The invention relates to an electric motor comprising a shaft and at least two plates secured to the shaft. An even number of pairs of solenoids is arranged around the shaft. On either side of the solenoids, one magnet per pair of soleno...  
WO/2016/113227A1
The invention relates to an electric motor comprising a shaft and at least two plates secured to the shaft. An even number of pairs of solenoids is arranged around the shaft. On either side of the solenoids, one magnet per pair of soleno...  
WO/2016/104660A1
A drive circuit for a two-coil step motor having: a rotor (41) in which an N-pole and an S-pole are magnetized; first, second, and third stator magnetic poles (42); a coil A; and a coil B, wherein the drive circuit has: a drive-pulse gen...  

Matches 1 - 50 out of 11,229