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WO/2024/068560A1 |
A laboratory apparatus (100) comprises a movable element (10) and a drive device (50) for moving the movable element (10). The drive device (50) includes a stepper motor (20) and a control unit (30) for controlling the stepper motor (20)...
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WO/2024/052165A1 |
A system for measuring position of a throttle is provided, the system comprising a throttle, arranged to adjust the flow of a gas; a stepper motor connected to the throttle by a connecting member (204), the stepper motor being arranged t...
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WO/2024/052164A1 |
A system for measuring position of a gas valve throttle (212) is provided, the system comprising a gas valve throttle, arranged to adjust the flow of a gas; a stepper motor (204) connected to the throttle by a connecting member (205), th...
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WO/2024/042241A1 |
The present invention relates to a control system for a multiphase brushless motor without a position sensor, incorporating drive control electronics, comprising: • - a switching means (20), provided with two-state switches (12 to 17),...
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WO/2023/248885A1 |
[Problem] To provide a motorized valve control device and a motorized valve device that can more accurately detect a malfunction of a stepping motor of a motorized valve. [Solution] A motorized valve device (1) comprises a motorized valv...
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WO/2023/238645A1 |
[Problem] To provide an electric valve control device and an electric valve device which can relatively easily detect that the rotation of a magnet rotor has been regulated. [Solution] This electric valve control device controls an elect...
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WO/2023/233939A1 |
[Problem] To provide a motor-operated valve control device and a motor-operated valve device that can suppress malfunction of a motor-operated valve at low temperatures. [Solution] A motor-operated valve control device (100) acquires a t...
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WO/2023/228945A1 |
The present invention improves the stability of the operation of a motor when a commutation mode is switched. This motor drive control device (3) comprises: a control circuit (1) that generates a drive control signal (Sd); and a drive ...
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WO/2023/228944A1 |
The present invention suppresses an increase in power consumption of a motor. A control circuit (1) comprises: a commutation mode setting unit (11) that selects and sets as a commutation mode a first commutation mode in which a coil (4...
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WO/2023/203968A1 |
[Problem] To provide a motor-operated valve with which variation in the rear of a throttle flow path can be minimized and the desired flow rate characteristics can be obtained. [Solution] A valve body 40 of a motor-operated valve 1 has a...
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WO/2023/197495A1 |
Disclosed in the present invention are a stepper motor-based control method and apparatus, and an electronic device. The method comprises: detecting real-time state information of a stepper motor, and when the real-time state information...
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WO/2023/186852A1 |
The invention relates to a method for operating a fluid conveying device (2), wherein the fluid conveying device (2) has an electric motor (7) which is drivingly connected to a pump stage (8), comprising the following method steps: a) sp...
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WO/2023/175138A1 |
The invention relates to an image projection device comprising: at least one LED that emits an illumination light beam, and at least one image change module comprising different images to be projected, said images being mounted on a disc...
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WO/2023/168552A1 |
A direct-current multi-speed electric motor having a two-phase stator and a six-pole rotor, the direct-current multi-speed electric motor being composed of a stator, a rotor, a support component, a housing, a control mechanism and other ...
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WO/2023/171392A1 |
The present invention speedily detects short-circuiting of a coil of a motor. In a motor driving control device (3), a control circuit (1) includes a driving control signal generating unit (10) that generates a driving control signal (...
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WO/2023/149146A1 |
[Problem] To provide a motorized valve control device and a motorized valve device capable of suppressing noise by shortening the time required for the initialization operation of the motorized valve. [Solution] A motorized valve control...
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WO/2023/103972A1 |
A steam ablation apparatus and a steam generation apparatus (12) thereof, comprising a coil (120), an electrode (121), a motor (123) for driving the electrode (121) to move to adjust an effective length of the coil (120) connected to a c...
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WO/2023/100549A1 |
The present invention improves operation stability when the driving of a stepping motor starts. A motor driving control device (10) comprises: a control unit (11) that generates a control signal (Sd) for controlling the driving of a tw...
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WO/2023/090107A1 |
[Problem] To provide an electric valve control device and an electric valve device with which any increase in the internal temperature of a motor driver can be minimized. [Solution] When a computer 80 of an electric valve control device ...
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WO/2023/087604A1 |
A servo drive system (1000) and a braking control method and apparatus (200) therefor, and a servo driver (400) and a storage medium. The method comprises: when a servo electric motor (300) in a servo drive system (1000) needs to be brak...
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WO/2023/090159A1 |
The present invention suppresses driving current phase fluctuation when seeking to switch between feedback control and open loop control. A motor control device (1) comprises: a current control unit (12) that controls a current by mean...
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WO/2023/079878A1 |
A driver device (1) has a pulse generation circuit (5) that in one cycle generates over a first period (T1) a pulse waveform (Spl) that has a first voltage level, and generates over a second period (T2) a pulse waveform that has a second...
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WO/2023/069432A1 |
A variable-orifice spray nozzle system includes at least one variable-orifice spray nozzle including a nozzle body with a flexible nozzle orifice opening and a mechanism that controls the physical size and shape of the orifice opening. A...
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WO/2023/054050A1 |
[Problem] To provide: a motorized valve device and a motorized valve control device that can shorten the time taken up by the action of initializing a motorized valve to curb any noise; and a method for controlling the motorized valve [S...
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WO/2023/053973A1 |
[Problem] To provide an electric valve control device, an electric valve device, and a method for controlling an electric valve which allow reduction in time required for the initialization operation of an electric valve and suppression ...
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WO/2022/202331A1 |
Provided are a motor control device, a motor control method, and a motor control program that can control the rest position of a motor with high precision. The present invention comprises: a drive signal generation unit; a target volta...
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WO/2022/153941A1 |
A motor control device (10) is provided with a first circuit (68), a second circuit (67), and a control unit (400). The first circuit (68) is a two-system power converter circuit for energizing a multi-phase motor (800) having two multi-...
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WO/2022/145958A1 |
The present invention relates to an in-wheel motor type vehicle having, in a vehicle wheel, a motor, which is a power source, wherein the wheel comprises: a wheel for supporting a tire and a vehicle weight and transmitting power; spokes,...
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WO/2022/130149A1 |
An apparatus (1) for automatically controlling the flow rate of a fluid (FR) flowing along a duct (101), comprising: a valve element (2) adapted to be interposed along a section of the duct (101) and provided with an obturator (21); a se...
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WO/2022/096352A1 |
The present invention describes a system and a method for detecting blockage of an actuating assembly in a drug delivery device with a brushless DC or stepper motor. The Back EMF voltage is periodically measured at the driving contacts o...
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WO/2022/065141A1 |
A stepping motor drive device that drives a stepping motor in response to a position/angle command comprises a current detector that detects a phase current, an inverter that energizes a winding, and a control unit that controls the inve...
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WO/2022/061915A1 |
A motor and a control method therefor, a computer readable storage medium and a mechanical device. The motor is used for driving rotation between a first connector and a second connector connected to each other. The control method for a ...
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WO/2022/044776A1 |
The present invention detects an abnormality of a stepping motor due to disconnection and fixation even in an unstable operational environment. This stepping motor abnormality detecting device comprises: a stepping motor drive unit (3) f...
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WO/2022/014785A1 |
The present invention relates to a high-power bi-directional driving motor and a powered covering opening/closing device using same and, more specifically, to a high-power bi-directional driving motor which equally generates a driving fo...
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WO/2021/261387A1 |
The present disclosure provides a stepping motor abnormality detecting device capable of detecting an abnormality of a stepping motor. A stepping motor abnormality detecting device (100) is provided with a power supply unit (1), a steppi...
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WO/2021/259409A1 |
The present invention relates to a method for monitoring and controlling temperature in electric motor-vehicle drive and/or brake units for acting on movable elements (2) such as motor-vehicle doors (2), motor-vehicle hinged closure elem...
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WO/2021/234397A1 |
In for example a production line where various operations have to be performed on a unit that is conveyed through or assembled in the line, a control system for a set of actuators is provided (5) that operates in discrete steps to carry ...
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WO/2021/225054A1 |
This motor control device drives a 2-phase synchronous motor. The motor control device includes: a control current waveform generating means that generates a control current waveform obtained by superimposing a basic sine wave, and a rel...
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WO/2021/220780A1 |
The purpose of the present invention is to provide an analysis device (100) that can reduce vibration and noise generated from a stepper motor (182, 192) in response to the loss of synchronism in the stepper motor (182, 192). A drive uni...
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WO/2021/199856A1 |
A stepping motor control device that controls a stepping motor comprising a rotor position detector, by using microstep drive. The control device has a plurality of operation modes including an adjustment mode and a use mode. In the adju...
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WO/2021/193335A1 |
This driver device comprises a control circuit which controls an output stage circuit that supplies an output current to a coil, and moves a movable portion by using a magnetic force generated by the supply of the output current. The con...
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WO/2021/193364A1 |
This driver device rotates a rotor by supplying the output current to each coil of a stepping motor. When the polarity and magnitude of the output current to each coil is controlled so as to maintain target polarity and magnitude after t...
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WO/2021/156836A1 |
The present invention relates to a stepper motor based linear actuator with actuator position feedback and provides compensation to step loss. More particularly, the present invention provides stepper motor based linear actuator that inc...
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WO/2021/143915A1 |
Disclosed are a control method and apparatus, and a storage medium, belonging to the technical field of electric motor control. The method comprises: receiving a control signal from a stepper motor, wherein the control signal is used for...
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WO/2021/128862A1 |
The present disclosure relates to systems and methods for controlling a stepping motor. A method may include determining a driving voltage based on a function, wherein the function includes a predetermined electric current and operating ...
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WO/2021/112125A1 |
A drive circuit 200 drives a stepper motor 102 in a two-phase excitation method in synchronization with an input clock CLK. A constant current chopper circuit 250 generates a pulse modulation signal SPWM so that a detected value for a co...
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WO/2021/092644A1 |
AC motor rotates independent from power frequency gives advantages in size and controllability. Oscillating and rotating magnetic field is created across airgap by using Amplitude Modulated input. Higher frequency (Carrier) is the power ...
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WO/2021/062369A1 |
An integrated circuit (100 A) includes an H-bridge circuit (102) having a first output node (OUT1) for coupling to a high-side terminal of an inductor (103) and a second output node (OUT2) for coupling to a low-side terminal of the induc...
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WO/2021/059837A1 |
The objective of the present invention is to perform fine control of a step motor. This step motor drive device includes a step motor (20) comprising a rotor (22), a stator (23a, 23b), and a coil (21) for generating a magnetic force towa...
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WO/2021/042637A1 |
A method, apparatus and system for controlling a stepping motor (1003) and a storage medium, the method comprising: providing a sinusoidal S-curve acceleration algorithm; according to a target displacement and a target velocity, by means...
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