Abstract: The present disclosure provides a direct drive transmission system and a control method. The direct drive transmission system includes: a base plate, guide rails, a plurality of stators, a mover, a plurality of drivers, and a controller. The plurality of stators are configured to drive the mover to slide on the guide rails. A transmission line composed of the plurality of stators is configured to have at least one low-accuracy segment and at least one high-accuracy segment connected to each other. The direct drive transmission system further includes at least one first switching signal device and a plurality of second switching signal devices. The at least one first switching signal device aligns with a respective second switching signal device, and each second switching signal device is electrically connected to a respective driver or the plurality of second switching signal devices are all electrically connected to the controller.

Abstract: The present disclosure provides a linear driving apparatus. The linear driving apparatus includes: stators; rotors slidably arranged on the stators; a driving component configured to drive the rotors to slide along an extension direction of the stators; first position feedback units provided with one first position feedback unit provided with a marking signal; and second position feedback units arranged on the stators and spaced apart. The second position feedback units is configured to read position information of the first position feedback units and read the marking signal. The linear driving apparatus in the present disclosure can simplify a manner of identifying the rotor without additional sensors, thereby reducing costs.

Abstract: A method for controlling a direct drive transmission system and related devices. The method includes: S1: starting direct drive transmission system for overall zero returning; S2: reading a zero signal of the first incremental position feedback means identified by a corresponding second incremental position feedback means; S3: determining whether any actuator reads two zero signals; if yes, performing step S4; otherwise, returning to step S1; S4: determining according to a distance between two zero signals fed back by the actuator that the corresponding mover has completed zero returning, and further completing zero returning of the direct drive transmission system; and S5: acquiring, by the controller based on the direct drive transmission system after zero returning, position information of the movers, and driving the movers to move. Compared with the related art, the present disclosure has good position feedback effect, high positioning accuracy, and good drive control effect.

Abstract: A direct-drive system, including a base provided with a guide rail; a slider arranged on the guide rail; a mover assembly including a mover arranged on the slider and a magnet arranged on an inner side wall of the mover; a stator assembly including a stator support arranged on the base and a stator connected to the stator support; and a blocking member. The stator is inserted into the mover and arranged opposite to and spaced from the magnet. The blocking member includes a first end connected to a side of the base away from the stator support and a second end obliquely extends towards the stator and spaced from the slider. The blocking member effectively prevents foreign matters from falling onto the guide rail, thereby preventing blockage of the slider by the foreign matters on the guide rail, and thus bringing a good protective effect and effectively improving an operation accuracy of the guide rail and prolonging a service life.

Abstract: A direct-drive system, including: a base; a mover assembly arranged on the slide; a stator assembly arranged on the base; and at least one mover protective assembly fixed to the slide and in contact with the stator assembly. An electromagnetic force is formed between the mover assembly and the stator assembly to drive the slide to slide relative to the base; and in a direction perpendicular to a sliding direction of the slide, the mover assembly and the stator assembly are opposite to and spaced from each other to form a gap. The at least one mover protective assembly is configured to enclose the gap. The at least one mover protective assembly can enclose the gap between the mover assembly and the stator assembly, so as to effectively prevent foreign matters from entering a mover air gap and thus improving reliability of the system.

Abstract: A method for controlling a direct drive system, including: S1: outputting, by the actuator, a current to the winding of the stator corresponding to the actuator to cause the windings to drive the mover corresponding to the windings to move in a single direction along the guide rail; S2: sensing a position of the second position feedback means through the first position feedback means, and acquiring position information of the mover relative to the stator; and S3: changing a drive mode of the actuator according to the position information, so that the actuator adjusts, according to the drive mode, magnitude of the current outputted to the windings of the stator corresponding to the actuator. The above solution can reduce a number of power modules used in the direct drive system, so as to reduce overall manufacturing and use costs of the direct drive system.

Abstract: A method for controlling a multi-mover direct drive transmission system and related devices, including: S1: detecting a real-time position of the mover units movable in the feedback segments; S2: determining whether the mover unit enters junction region between the feedback and transition segments: if yes, calculating, by using preset algorithm, an electrical angle at which the mover unit moves in the transition segment, and determining real-time position of the mover unit through the electrical angle; and setting cooperative control mode of the stator windings in a range of the transition segment according to the real-time position of the mover unit; and S3: determining whether the mover unit enters the junction region between the transition segment and the feedback segment: if yes, feeding back real-time position of the mover unit through the displacement sensor of the feedback segment. The above solution has a good control effect, low costs, and low mounting requirements.

Abstract: A multi-mover direct drive transmission system, including: stator unit formed by stator segments and includes frame and coil windings; mover units movable relative to the stator unit and each includes mover slidably connected to the stator unit and movable relative to the frame, and magnet fixed to the mover; and actuators. The magnet is arranged opposite to and spaced from the coil winding, and the coil winding drives the magnet to drive the mover. The frame includes feedback segments and transition segments. The stator unit further includes hall elements. The hall element outputs a hall signal according to a magnetic field variation detected. The actuator calculates an electrical angle and calculates a drive current, the coil winding drives the magnet to move to realize position correction. The multi-mover direct drive transmission system has a simple structure, a small number of components, and is simple and easy-to-implement the motion control method.

Abstract: A method for controlling a multi-mover direct drive transmission system and related devices, including: S1: detecting a real-time position of the mover units movable in the feedback segments; S2: determining whether the mover unit enters junction region between the feedback and transition segments: if yes, calculating, by using preset algorithm, an electrical angle at which the mover unit moves in the transition segment, and determining real-time position of the mover unit through the electrical angle; and setting cooperative control mode of the stator windings in a range of the transition segment according to the real-time position of the mover unit; and S3: determining whether the mover unit enters the junction region between the transition segment and the feedback segment: if yes, feeding back real-time position of the mover unit through the displacement sensor of the feedback segment. The above solution has a good control effect, low costs, and low mounting requirements.

Abstract: A method for controlling a direct drive system, including: S1: outputting, by the actuator, a current to the winding of the stator corresponding to the actuator to cause the windings to drive the mover corresponding to the windings to move in a single direction along the guide rail; S2: sensing a position of the second position feedback means through the first position feedback means, and acquiring position information of the mover relative to the stator; and S3: changing a drive mode of the actuator according to the position information, so that the actuator adjusts, according to the drive mode, magnitude of the current outputted to the windings of the stator corresponding to the actuator. The above solution can reduce a number of power modules used in the direct drive system, so as to reduce overall manufacturing and use costs of the direct drive system.

Abstract: A multi-mover direct drive transmission system, including: stator unit formed by stator segments and includes frame and coil windings; mover units movable relative to the stator unit and each includes mover slidably connected to the stator unit and movable relative to the frame, and magnet fixed to the mover; and actuators. The magnet is arranged opposite to and spaced from the coil winding, and the coil winding drives the magnet to drive the mover. The frame includes feedback segments and transition segments. The stator unit further includes hall elements. The hall element outputs a hall signal according to a magnetic field variation detected. The actuator calculates an electrical angle and calculates a drive current, the coil winding drives the magnet to move to realize position correction. The multi-mover direct drive transmission system has a simple structure, a small number of components, and is simple and easy-to-implement the motion control method.

Abstract: The present disclosure provides a direct drive transmission system and a control method. The direct drive transmission system includes: a base plate, guide rails, a plurality of stators, a mover, a first position feedback device, a plurality of second position feedback devices, a plurality of drivers, and a controller. The first position feedback device aligns with a respective second position feedback device. The plurality of stators are configured to drive the mover to slide on the guide rails. The plurality of second position feedback devices are arranged at intervals and are electrically connected to the controller. The controller is configured to control driving operations of the plurality of drivers according to effective position information fed back by the plurality of second position feedback devices.

Abstract: Provided are a device and method for molding magnetic powder. The device includes a frame, a mold lifting mechanism, a plate pressing mechanism, a punch mechanism and a height locking mechanism. The mold lifting mechanism includes a mold and a first driving member for moving the mold up and down. The plate pressing mechanism includes a pressing plate and a second driving member for moving the pressing plate up and down. The punch mechanism includes a punch and a third driving member for moving the punch up and down. The height locking mechanism includes a first locking piece for locking the pressing plate and a second locking piece for locking the punch. The mold reciprocates upward and downward, such that a filling density of the magnetic powder is kept uniform, and the density distribution difference of the magnetic powder in a height direction is reduced.

Abstract: The present invention provides a method and device for calibrating a position of a mover in a direct drive transmission system. In response to receiving an arriving signal for a mover corresponding to a preset detection station, an image acquisition device disposed above the detection station is controlled to acquire an image of the mover; feature recognition is performed on the image of the mover, and an actual coordinate position of a preset feature image area is acquired in the image of the mover; a mover-arriving detection result is generated based on the actual coordinate position; and a calibration signal for the position of the mover is generated based on the mover-arriving detection result.

Abstract: The present disclosure provides a linear drive device, which includes: a stator including a stator body and a plurality of coils. The linear drive device further includes a rotor including a rotor body supported on the stator body, and a magnetic steel fixed on the rotor body, a first position feedback unit fixed on the rotor body, and multiple drivers. The multiple coils arranged in series or parallel are electrically connected to one of the multiple drivers, while remaining coils not arranged in series or parallel are divided into multiple groups, and multiple coils in each of the multiple groups are electrically connected to the other driver. The linear drive device further includes a controller electrically connected to the multiple drivers. The linear drive device in the present disclosure not only saves the number of drivers, but also reduces the difficulty of controlling the entire control system.

Abstract: The multi-mover direct drive transmission system includes multiple stator units, a guide rail, multiple mover units, and a controller. Each of the multiple stator units includes a stator, a winding, a photoelectric switch, a reading head, and a driver. Each of the multiple mover units includes a mover, and a magnetic steel, two stoppers, and a grating ruler. Each of the two stoppers are configured to pass and block the photoelectric switch. The grating ruler is arranged opposite to the reading head, and the reading head is configured to read information from the grating ruler in real-time. The controller is configured to obtain the reading signal and two zero signals from the photoelectric switch by the driver. Compared with the conventional art, the multi-mover direct drive transmission system of the present invention has simple structure, high positioning accuracy, and easy to use.

Abstract: The present disclosure provides a multi-rotor direct drive transmission system, which includes multiple stator units, a guide rail, and multiple rotor units. Each of the multiple stator units includes a stator and a magnetic steel, and the guide rail is attached to the stator. Each of the multiple rotor units includes a rotor, a winding, a drive device, and a power supply unit. The winding is spaced from and arranged directly opposite to the magnetic steel, and the winding is configured to drive the magnetic steel. The drive device is electrically connected to the winding, and the drive device is connected to the control system by wireless communication. The multi-rotor direct drive transmission system further includes a conductive strip. The power supply unit is a movable cable. The multi-rotor direct drive transmission system of the present disclosure is simple in structure, and is easy to control and use.

Abstract: The present disclosure provides a direct drive system, a control method for the same, an electronic device and a storage medium. In the direct drive system, the plurality of primary units are designed to have the position mode and the current mode. In the position mode, a position control instruction is output according to the absolute position information of a mover on the guide rails and predetermined positions of the mover on the guide rails, in order for a respective driver to adjust current in at least one winding primary unit according to the position control instruction, to move the respective mover to a predetermined position. In the current mode, a current control instruction is output, in order for the respective driver to provide current to the at least one winding according to the current control instruction, to compensate a thrust loss occurred in movement of the respective mover.

Abstract: The present disclosure provides a direct drive transmission system and a control method. The direct drive transmission system includes: a base plate, guide rails, a plurality of stators, a mover, a plurality of drivers, and a controller. The plurality of stators are configured to drive the mover to slide on the guide rails. A transmission line composed of the plurality of stators is configured to have at least one low-accuracy segment and at least one high-accuracy segment connected to each other. The direct drive transmission system further includes at least one first switching signal device and a plurality of second switching signal devices. The at least one first switching signal device aligns with a respective second switching signal device, and each second switching signal device is electrically connected to a respective driver or the plurality of second switching signal devices are all electrically connected to the controller.

Abstract: A method for detecting and quantifying allergen components of a substance is described herein. A method can include obtaining an Ig sample derived from two or more individuals, and one or more capillaries comprising allergenic biologics adhered thereto. The Ig sample can be applied to the one or more capillaries and allergen component and molecules that has bound with the Ig sample, can be detected in the one or more capillaries. A molecular weight and/or frequency of appearance, an isoelectric charge and/or frequency of appearance, a molecular functional group and/or frequency of appearance or a combination thereof, of the allergen component can be recorded. Furthermore, methods for determining the minimum and maximum concentrations of the detected allergen components for pre-determined platforms, formulating an allergen product using the determined concentration ranges and applying the allergen product to result an effective assay are described.