Abstract: An electric valve/door, and a control apparatus and method thereof are provided. The electric valve/door includes a control apparatus. The control apparatus includes an alternating current (AC) asynchronous motor, a transmission device, and a valve driver. The valve driver is connected to the AC asynchronous motor. The AC asynchronous motor is connected to the valve/door through the transmission device. The valve driver is configured to collect information of a real-time torque of the AC asynchronous motor or the valve/door during operation, and take a set torque of the valve driver as an input and the real-time torque as a feedback to immediately correct an output torque of the valve driver or a limit value of the output torque by using a proportional-integral-derivative (PID) control algorithm, to meet requirements for response speed and control precision of each stage in opening and closing processes of the valve/door.

Abstract: An electric valve/door, and a control apparatus and method thereof are provided. The electric valve/door includes a control apparatus. The control apparatus includes an alternating current (AC) asynchronous motor, a transmission device, and a valve driver. The valve driver is connected to the AC asynchronous motor. The AC asynchronous motor is connected to the valve/door through the transmission device. The valve driver is configured to collect information of a real-time torque of the AC asynchronous motor or the valve/door during operation, and take a set torque of the valve driver as an input and the real-time torque as a feedback to immediately correct an output torque of the valve driver or a limit value of the output torque by using a proportional-integral-derivative (PID) control algorithm, to meet requirements for response speed and control precision of each stage in opening and closing processes of the valve/door.

Abstract: This application provides example data processing methods and systems. One example data processing method includes obtaining a first metadata stream of a first file system, where the first metadata stream is a streaming structure and includes multiple records, and each of the multiple records includes an identifier of a node in the first file system, an identifier of a parent node of the node, and an attribute of the node. A hierarchy of multiple nodes in the first file system is determined based on the first metadata stream.

Abstract: The embodiments of the application disclose a method of font generation. When generating a new font, the method includes: obtaining a fifth character providing a font content and a character set providing font attributes, the character set including a sixth character and a seventh character, where a font attribute of the sixth character being different from a font attribute of the seventh character; inputting the fifth character, the sixth character, and the seventh character into a pretrained font generation network to obtain a target character, a font content of the target character being the font content provided by the fifth character, a font attribute of the target character being determined by the font attribute of the sixth character and the font attribute of the seventh character.

Abstract: A data migration method and a related apparatus are provided. An example migration scheduling apparatus determines a migration task of migrating data of a first file from a source device to a destination device, and performs a first change on metadata of the first file, to trigger the source device or the destination device to complete the migration task based on the first change performed on the metadata of the first file.

Abstract: The present disclosure provides an internal pressure adjustment structure for a multi-chamber inflatable product, which can simplify the user's air pressure adjustment operation and improve the user's experience. The internal pressure adjustment structure may include at least one regulating valve positioned between at least two air chambers of an inflatable product and an inflation and deflation assembly fluidly coupled to at least one of the at least two air chambers.

Abstract: An electronic anti-theft label of a nickel-titanium alloy temperature memory wire includes a first housing, a second housing with a boss, a locking beam, a locking catch, a rotating device, a nickel-titanium alloy temperature memory wire, and an unlocking device. The second coil on the unlocking device generates, after being energized, a magnetic field around. The second coil serving as a sending end is placed in a third groove, so that the first coil is induced to generate electricity by using the electromagnetic induction principle, and the first coil serves as a receiving end. The sending end sends an electromagnetic signal to the external environment under the action of electric power, and the receiving end receives the electromagnetic signal and converts the electromagnetic signal into current. The nickel-titanium alloy temperature memory wire is energized and heated to contract to drive the rotating device to move.

Abstract: An air leakage prevention adjusting structure of a mechanical pump is provided. The adjusting structure may be applied to a multi-channel pump. The multi-channel pump may comprise a body, an air pump assembly and a channel switching structure which are arranged in the body, and a panel matched on the body. The adjusting structure may be matched on the panel and may comprise a channel selection knob, a turntable and a power switch. The channel selection knob may be rotatably arranged on the panel. The turntable may be arranged in the body. The upper end of the turntable may be connected with the channel selection knob, and the lower end of the turntable may be matched with the channel switching assembly. A convex edge and a notch may be arranged on the turntable. A button for controlling the on-off of a power supply is arranged on the power switch, and is selectively matched with the convex edge and the notch of the turntable.

Abstract: A novel spider electronic tag includes a take-up device; and a base connected to the take-up device through a retractable steel wire rope. The take-up device includes: a housing; a take-up assembly, mounted in the housing; and a locking fastener, mounted in the housing and configured to lock the take-up assembly; the locking fastener includes: a rotating ratchet member, fixedly arranged at the top of the take-up assembly; and a leaf spring, embedded in an inner circumferential wall of the housing and configured to cooperate with the rotating ratchet member to lock the take-up assembly. The steel wire rope is passed in a listed sequence through the rotating ratchet member, the take-up assembly and the base clockwise from top to bottom, and two ends of the steel wire rope are fixed inside the rotating ratchet member, to connect the take-up device with the base.

Abstract: Systems, methods and media of optimization of temporary read errors (TRE) in three-dimensional (3D) NAND memory devices are disclosed. A disclosed memory device can comprises a plurality of memory cells arranged as an array of NAND memory strings, a plurality of word lines couple to the memory cells, and a controller. The controller is configured to determine whether a next read operation is a first read operation of the memory device after recovering from an idle state, and In response to a positive result of the determination, control the memory device to perform an extended pre-phase of the first read operation before a read-phase of the first read operation.

Abstract: An optical waveguide (100) is disclosed, for guiding light in a photonic circuit comprising a layer of phase change material (101) for modulating the phase of the guided light. The phase change material (101) is switchable between at least a stable crystalline state and a stable amorphous state each with different refractive indexes. The phase change material (101) exhibits an extinction coefficient of less than 0.1 in both states for wavelengths greater than 1000 nm.

Abstract: The present disclosure provides a video generation method and apparatus, a device, and a medium and a product, and relates to the technical field of computers. The method includes: acquiring description information of a target video to be generated; according to the description information of the target video, acquiring, from a video material library, a target clip corresponding to the description information; splicing the target clip with each candidate clip of a plurality of candidate clips in the video material library respectively to obtain a plurality of candidate videos; evaluating a score of each candidate video of the plurality of candidate videos; and generating the target video according to the score of each candidate video of the plurality of candidate videos.

Abstract: The present invention is based, in part, on the discovery of the human-specific regulatory control of cGAS and the structure of the active human cGAS-DNA complex, as well as compositions comprising the modified hcGAS polypeptide, hcGAS-DNA complex, hcGAS-DNA-ATP complex, and methods of screening for modulators of the structure, expression, and/or activity of such polypeptides and complexes.

Abstract: The present disclosure provides systems, methods and media of optimization of temporary read errors (TRE) in three-dimensional (3D) NAND memory devices. The (3D) NAND memory devices comprises a plurality of memory cells arranged as an array of NAND memory strings, a plurality of word lines couple to the memory cells, and a controller. The controller is configured to determine whether a next read operation is a first read operation of the memory device after recovering from an idle state, and in response to a positive result of the determination, control the memory device to perform an extended pre-phase of the first read operation before a read-phase of the first read operation.

Abstract: A video processing method, apparatus and a terminal device are provided, which relate to the field of video processing technologies. The method includes: when detecting in a video recording process that a user enables a video editing function, presenting a recorded original video stream in a form of a video frame; determining a to-be-edited video frame based on a video frame selection operation that is performed by the user on the video frame; performing video editing on the to-be-edited video frame based on a video frame editing operation input by the user, to generate an edited video stream; and generating a target video stream based on the edited video stream and the original video stream. According to this application, live video editing flexibility can be improved.

Abstract: A data processing system in embodiments of this application includes a storage layer, a virtual bus, and a service layer. The storage layer includes a plurality of storage devices, and the service layer includes a plurality of services. The storage device and/or service may write registration information into the virtual bus after registration, and the registered storage device or service may discover another device or service. Data may move between the storage devices, between the storage devices and the services, and between the services through the virtual bus. In this way, the plurality of devices can discover and communicate with each other when the devices are not directly connected to each other.

Abstract: The present disclosure provides a video generation method and apparatus, a device, and a medium and a product, and relates to the technical field of computers. The method includes: acquiring description information of a target video to be generated; according to the description information of the target video, acquiring, from a video material library, a target clip corresponding to the description information; splicing the target clip with each candidate clip of a plurality of candidate clips in the video material library respectively to obtain a plurality of candidate videos; evaluating a score of each candidate video of the plurality of candidate videos; and generating the target video according to the score of each candidate video of the plurality of candidate videos.

Abstract: A novel spider electronic tag includes a take-up device; and a base connected to the take-up device through a retractable steel wire rope. The take-up device includes: a housing; a take-up assembly, mounted in the housing; and a locking fastener, mounted in the housing and configured to lock the take-up assembly; the locking fastener includes: a rotating ratchet member, fixedly arranged at the top of the take-up assembly; and a leaf spring, embedded in an inner circumferential wall of the housing and configured to cooperate with the rotating ratchet member to lock the take-up assembly. The steel wire rope is passed in a listed sequence through the rotating ratchet member, the take-up assembly and the base clockwise from top to bottom, and two ends of the steel wire rope are fixed inside the rotating ratchet member, to connect the take-up device with the base.