33results about How to "Simple operation logic" patented technology

The invention relates to the field of high-voltage direct-current power transmission, and aims to provide an MMC converter valve and method for realizing alternating-current and direct-current fault ride-through based on an energy consumption sub-module. On the basis of a topological structure of a conventional MMC converter valve, M energy consumption sub-modules which are sequentially connected in series and are the same in structure are arranged between a bridge arm inductor of each bridge arm and the midpoint of an upper bridge arm and the midpoint of a lower bridge arm, and each energy consumption sub-module comprises a main through-flow branch, an energy consumption branch and a bypass loop which are connected in parallel; in the main through-current branch, the half-controlled switching device T1 is reversely connected in parallel with a fly-wheel diode D1 of the half-controlled switching device T1, and then is reversely connected in series with the full-controlled switching device T2 and a reverse fly-wheel diode D2 of the full-controlled switching device T2; the energy consumption branch comprises an energy consumption resistor Rd, and the bypass branch comprises a bypass switch K. According to the invention, alternating current fault ride-through and direct current fault ride-through are integrated into the topology of the MMC converter valve, so that the integration level of the protection scheme is improved; voltage fluctuation during alternating-current fault ride-through can be effectively smoothed, and the stability during alternating-current fault ride-through is improved.

The invention discloses a bus current estimation method and device based on a GTM module. The problems that existing bus current calculation is high in hardware cost, large in workload, short in collection period, poor in calculation precision and complex in algorithm, and a motor control algorithm needs to be combined are solved. The method comprises the steps of collecting and obtaining a three-phase current sampling value of a motor, obtaining a three-phase upper bridge arm IGBT switch state signal, determining a three-phase current value according to the IGBT switch state of the three-phase upper bridge arm, obtaining a candidate bus current value according to summation of the three-phase current value, obtaining all sampled candidate bus current values in a filtering period, and carrying out average filtering to obtain a bus current value. Real-time three-phase current is calculated through operation of the GTM module, rack calibration is reduced, a bus current sensor is canceled, the algorithm is simple, logic operation can be operated in the GTM programmable module, and CPU resources of a main chip do not need to be independently used.

A monitoring device for a smart mask includes a wristband body, a wristband belt, a wristband monitoring device, a working indicator light, a warning light, an OLED display screen, a key module, a power button, a power charging socket, a button lithium battery, a power conversion chip, a flexible mainboard, a blood oxygen sensor, a microcontroller, a micro vibration motor, a timer, a wireless serial port, a mask and a breathing valve adjustment device. The wristband body is equipped with a wristband belt, a wristband monitoring device is installed in the middle of the wristband belt, a working indicator light is installed on the wristband monitoring device, and a warning light is installed below the working indicator light. The advantages of the present invention are: the monitoring device obtains blood oxygen concentration and heart rate through a blood oxygen sensor, realizes data intercommunication through a proprietary wireless connection, and then the mask system uses a certain control algorithm to control the fan to ensure that the user's blood oxygen concentration is always maintained at a certain level; the operation logic of the wristband is simple, the learning cost is low, and it is applicable to a wide range of people.

The utility model relates to a flood control mechanical equipment technical field, especially in a kind of filling device of novel flood-prevention sand bag, including sand filling mechanism and sand conveying mechanism. The sand filling mechanism includes main frame, bottom support, bag setting box and telescopic pull rod, the main frame side opening, the bottom support is fixed in the main frame inside bottom, the bottom support upper end is provided with slide rail, the bag setting box is slidably arranged on the slide rail and upper end and the side opening towards the main frame opening, the bag setting box side away from the main frame opening is connected with the main frame by the telescopic pull rod. The sand conveying mechanism includes feeding port, transport pipe and motor, the feeding port is set on ground, the transport pipe is obliquely arranged and lower end feeding port is connected with the feeding port, upper end discharge port extends to the main frame top, the transport pipe is provided with auger, the motor is fixed on the transport pipe upper end and is connected with the auger transmission.

This invention provides a time-domain correction method based on local adaptive thin-plate spline interpolation, comprising the following steps: S10, separating the pilot signal from the mixed measurement signal, performing fine phase tracking on the pilot signal, and extracting the phase noise sequence introduced by clock jitter; S20, converting the phase noise sequence into jitter at the sampling time; S30, determining the ideal sampling time, selecting several original sampling points adjacent to each ideal sampling time, obtaining a local interpolation subset, evaluating the jitter intensity of the local interpolation subset, and performing adaptive interpolation calculation accordingly to obtain the signal value at the ideal sampling time; S40, outputting the uniformly sampled signal sequence after interpolation reconstruction; this invention also provides a time-domain correction system based on local adaptive thin-plate spline interpolation. This invention solves the problems of poor real-time performance and weak adaptability of traditional TPS interpolation, achieving high-precision suppression of clock jitter noise and meeting the stringent requirements of phase measurement for space gravitational wave detection.

The invention relates to a control method of vehicle-mounted equipment. The control method comprises the steps that an input device generates a first action and / or a second action; in response to a first action and / or a second action generated by the input device, the control module enables the control identifier to move among the options of the current menu of the display device and point to one of the options as an expected option; the input device performs a third action; and in response to a third action generated by the input device, the control module marks the expected option, enables the display device to display prompt information for prompting that the expected option is marked, and executes an event corresponding to the expected option.

The invention relates to an equipment control method based on a large model, and aims to utilize professional experience of developers to supplement information gain and meet individual requirements of users. When the capacity of an existing large model is insufficient, the system allows a developer to upload expected operation steps or directly interact with screen information by opening an interface to the developer, and a control command is provided. Operation steps and task description are not limited by special formats, and unexpected information processing can be included. Meanwhile, in order to overcome the defects of a large model in the aspect of processing spatial position information, an independent image recognition model is introduced to recognize screen elements, and percentage coordinates are used for representing element positions. The identified element names and coordinates are numbered, the numbers are sorted according to the position information, and the sorting rule can be from top to bottom, from left to right and the like. The sorted element names and number lists (not including coordinate information) and sorting rules are provided for a developer or a large model, so that the confusion of the large model is reduced, and the processing speed and safety are improved. And the large model returns a control instruction using the ID of the element, and the system maps the ID back to the coordinate so as to realize accurate control of the equipment. The success rate can be calculated through any combination of information such as satisfaction, speed and whether the information is harmful or not. According to the method, the efficiency and safety of equipment control are improved by introducing a developer to participate in and solve position information processing limitation.

The present invention provides a Trie tree structure, creation method, word segmentation method and system for a scanning pen. By redesigning the structure of the Trie tree, each child node of the Trie tree only occupies 14 bytes of space, thereby greatly reducing the overall space occupied by the Trie tree, and simplifying the operation logic of the AC automaton, so that it can quickly match the characters required to be matched. When performing a word segmentation operation, it is only necessary to determine whether the next child node exists, and directly locate the target node according to the obtained remainder, without traversing the entire Trie tree or completely searching multiple branches, which greatly saves matching time and improves word segmentation efficiency. In addition, through the Trie tree structure and the improved AC automaton provided by the present invention, the Trie tree can be saved in the form of a file. On this basis, word segmentation can still be achieved at a faster speed, improving the efficiency and accuracy of word segmentation of small embedded devices.

The utility model discloses a multifunctional auxiliary law enforcement stick relates to law enforcement stick technical field, including inner stick body, is cylindrical, outer stick body, coaxial movable sleeve is established in the outer inner stick body, handle is fixedly connected with the first end of inner stick body, outer stick body with handle rotation is connected, still be equipped with the anti -drop rope on the handle, mode switching mechanism is arranged in the inside stick body for selectively switching the strike mode of law enforcement stick, mode switching mechanism includes. The utility model discloses through the innovative mode switching mechanism, will the cone point, needle point, round point three different forms of strike end integration in single stick body, and law enforcement personnel can cope with the broken window, precision control, large -area intimidation etc. multiple tasks without changing equipment, greatly improved the adaptability and law enforcement efficiency of equipment.

The invention relates to the technical field of multi-core optical fiber automatic alignment, in particular to a multi-core optical fiber alignment method and device based on image difference, and the method comprises the steps: obtaining a first end face image of a first multi-core optical fiber and a second end face image of a second multi-core optical fiber; filtering the first end face image to obtain a first filtered image, and filtering the second end face image to obtain a second filtered image; rotating the first filtering image angle by angle, and performing differential operation on the rotated first filtering image and the second filtering image to obtain a plurality of differential image matrixes; absolute values of all elements of the difference image matrixes are obtained and summed, a summing value corresponding to each difference image matrix is obtained, and the rotation angle corresponding to the minimum summing value serves as the optimal alignment angle; and rotating the first multi-core optical fiber to the optimal alignment angle to align the first multi-core optical fiber with the second multi-core optical fiber. According to the invention, the operation logic is simplified through the differential alignment method, and the calculation time required for each alignment is reduced.

This invention relates to a secure cross-network data transmission device, belonging to the field of data transmission technology, and solves the technical problems of high cost, low efficiency, and insufficient transmission stability and security in existing cross-network data transmission. The solution is: a secure cross-network data transmission device for unidirectional data transmission from an intranet to an extranet, comprising: a rectangular shell; a high-definition display module located on the front inner wall of the shell, used to display generated QR code images in high definition; a data receiving module located inside the shell, used for unidirectional data reception; and an audio module located on one side wall and bottom inside the shell, used to provide sound output. Compared with existing technologies, this invention has advantages such as unidirectional transmission, high security, simple deployment and operation, low cost, high transmission efficiency, strong stability, and high accuracy.

The utility model provides a motor assembling device. The motor assembling device comprises a base, a stator fixing mechanism, a rotor fixing mechanism and a guide mechanism. The stator fixing mechanism comprises a stator bearing seat and a stator reinforcing assembly. The stator reinforcing assembly comprises a reinforcing support and a reinforcing head connected to the reinforcing support. The reinforcing head moves relative to the reinforcing support to get close to or away from the stator bearing seat. The rotor fixing structure comprises a rotor fixing seat and a rotor displacement assembly. The rotor fixing seat is arranged on the rotor displacement assembly. The rotor displacement assembly drives the rotor fixing base to move in the first direction relative to the base. The guide mechanism comprises a guide column and a guide displacement assembly. The guide column, the stator bearing seat and the rotor fixing seat are distributed along a first direction. The guide column penetrates through the stator and is in butt joint with the rotor in the first direction. The guide column is arranged on the guide displacement assembly. The guiding displacement assembly drives the guiding column to move in the first direction relative to the base and move on the side, away from the rotor fixing base, of the stator bearing base. The motor assembling device improves the motor assembling precision and safety.

The present application relates to a kind of lossless compression codec of pulse video data and readable storage medium, and the encoding method includes: obtaining the parameter of each frame of pulse video data and initializes frame number and the context of each pixel;Frame by frame processing data, for each pixel, according to its context, prediction value is obtained by prediction;Error between actual value and prediction value is calculated, and error bit string is generated, wherein prediction correct is recorded as 0, and prediction error is recorded as 1;Error bit string is losslessly entropy coded;Finally, the encoding data is packed with frame parameter, and the context of each pixel is updated according to actual value for the prediction of next frame.The present application can effectively capture the space-time correlation of pulse video data based on the adaptive prediction of context, greatly reduce the amount of information that needs to be encoded, and significantly improve compression ratio.

The invention relates to the technical field of software, in particular to a Bluetooth voice remote controller generalization method and system, and the method comprises the steps: constructing a heterogeneous remote controller feature model; designing a private feature set pre-compiling framework of the remote controller combination based on the heterogeneous remote controller feature model; decoupling of the business module and the remote controller feature set is realized based on a private feature set pre-compiling framework; connection of different hosts is realized based on a carousel method of a backoff strategy; and discriminating models of the remote controllers and loading feature sets and resources of the target remote controllers. The invention provides a universal design method which does not depend on additional hardware, and the compatibility of different remote controllers, the flexibility of functions and the efficient utilization of system resources are ensured.

The invention relates to the technical field of big data and artificial intelligence, and discloses a rural traffic accident high-risk crowd identification method based on signaling data fusion and a space-time diagram convolutional network, and the method comprises the steps: taking mobile signaling data as a core, fusing multi-source data, carrying out privacy protection preprocessing, extracting the space-time features of rural users through dynamic diagram modeling, and carrying out the reconstruction of the space-time features of the rural users; space-time association is captured by means of a space-time diagram convolutional network fusing an attention mechanism, a rural scene exclusive rule is accurately captured through dynamic graph modeling and regional risk factor injection, and cross-domain privacy security training is realized in combination with federated learning and homomorphic encryption. And finally, through integration of a space-time diagram convolutional network and a federated safety tree model, risk grade division is assisted by a gray system, and risk probability distribution of rural traffic accident high-risk crowds is accurately output, so that a clear object is provided for targeted propaganda and education, police waste caused by indifference propaganda and education is reduced, the rural traffic accident prevention and control efficiency is effectively improved, and the accident rate is reduced.

The present invention relates to the technical field of big data processing. The present invention discloses an Elasticsearch client version compatibility implementation method for a complex network environment. The method comprises pre-building an initial assembly condition, serializing the initial assembly condition to generate a serialized assembly condition, generating a query request based on the serialized assembly condition, responding to the query request and generating a feedback result, deserializing the feedback result to generate a deserialized return result, and processing the deserialized return result to generate object information. The Elasticsearch client framework in the present invention is independent of a Spring version, provides a clear and consistent API interface, simplifies the Elasticsearch operation logic, and enables developers to quickly get started without having to deeply understand the complex internal details of Elasticsearch.

The invention relates to a resource creation method and device based on a directed acyclic graph, equipment and a medium. The resource creation method based on the directed acyclic graph comprises the following steps: receiving a resource creation request; in response to the resource creation request, searching a serialized arrangement file corresponding to the resource creation request; constructing a target directed acyclic graph according to the serialized arrangement file; and performing resource creation based on the target directed acyclic graph to obtain a target resource. According to the embodiment of the invention, the number of codes needing to be written can be reduced, the task operation logic is simplified, and the maintainability is improved.

The present invention discloses a method, system, device and storage medium for automatic design of probe tooling, the method comprising: step 1, obtaining test point information, the test point information including the probe type of the test point and the test point installation position; step 2, based on the probe type of the test point, associating the test point with a probe template; step 3, simulating the installation of the associated probe template, performing interference detection on all test points, updating the identification of the test point according to the interference detection result, and determining the installation angle of the probe template according to the identification of the test point; step 4, assembling the probe template according to the installation angle and the test point installation position for the test point that meets the placement requirements of the probe template body. The present invention divides the test points into: completely interfering test points, test points that meet the placement requirements and test points to be optimized by assembling probe templates and interference checking for the test points, and finally outputs an assembly report, thereby realizing the automatic design of the probe tooling.

The invention relates to a tattoo positioning simulation system and method for radiotherapy, the system comprises a positioning driving mechanism and a tattoo mechanism, a driving module drives the tattoo mechanism to move to a tattoo positioning position, and the tattoo mechanism comprises a driving motor, a bearing shell, a cylindrical cam, a gripper, a tattoo pen assembly and a fixing frame; the driving motor is arranged on the fixing frame, the cylindrical cam is rotatably installed on a telescopic shaft of the driving motor, the gripper is fixed to the side, close to the tattoo pen assembly, of the cylindrical cam, and the bearing shell covers the outer side of the cylindrical cam and is used for adjusting the gripper to rotate by a preset angle in each telescopic period of an output shaft of the driving motor; the tattooing pen assembly comprises a plurality of tattooing pens, the tattooing pens are evenly distributed on the periphery of the cylindrical cam, the tattooing pens are parallel to the telescopic direction of the output shaft of the driving motor, and the gripper is movably connected with the tattooing pens and used for driving the tattooing pens. Compared with the prior art, the tattooing device has the advantages of high tattooing precision, convenience in operation and the like.

The present application discloses a melt filter for replacing filter elements without stopping the machine, comprising a filter bin, an input pipe, an output pipe, and a pair of filter components, wherein the filter component comprises a rotating table, which is rotatably mounted at the bottom of the filter bin, with an upper cavity provided at the top, a lower cavity provided at the bottom, and an annular groove provided on the circumferential side of the middle portion; a plurality of filter elements, the top ends of which are connected to the upper cavity and are connected to the rotating table through a detachable structure; a pick-and-place shell, which is arranged on the side wall of the filter bin, has an open inner end extending into the filter bin, and has a sealing door panel that can be opened and closed movably mounted in the middle; a partition device, which is used to form a sealed space with the annular groove corresponding to the position of the filter bin and the pick-and-place shell; a driving device, which is used to control the synchronous movement of the detachable structure and the partition device. In daily use, by adopting the above technical scheme, the driving device drives the partition device and the detachable structure to move, so that the part of the annular groove where the filter element to be removed is locked is isolated from the inner cavity of the filter bin, and the fixation of the filter element and the annular groove is released, so that the filter element can be replaced without stopping the machine.

The straw bouncing structure comprises a cover body and a turning cover rotationally connected with the cover body, and further comprises a straw assembly, the straw assembly comprises a straw and a control assembly used for controlling the straw to bounce, a through hole is formed in the cover body, the straw is movably arranged in the through hole, and the control assembly is used for controlling the straw to bounce. The straw is matched with the control assembly, when the straw needs to be opened, the control assembly needs to be pressed to release and pop out the straw, and when the straw needs to be closed, the flip cover needs to be closed to cover and retract the straw. According to the vacuum cup, the opening and closing structure of the straw of the vacuum cup with the double drinking openings is simplified, the opening and closing process of the straw is simplified, namely, the straw is opened by pressing and closed by turning the cover, popping and withdrawing of the straw can be achieved without complex operation, and meanwhile the structure of the cup cover is simplified.

This invention relates to the field of pharmaceutical and chemical technology, specifically to a purification apparatus for the preparation of flavonoid hydrochloride. The apparatus includes a heating device with a limiting groove. A pair of heating arc clamps are slidably connected inside the limiting groove, which restricts the position of the heating arc clamps. A container is held between the two heating arc clamps, and the container is connected to a purification component. A sliding column is fixedly connected to one side of each heating arc clamp. A control slide plate is slidably connected to one side of each heating arc clamp. The control slide plate has a first straight groove, a guide inclined groove, and a second straight groove, which are fixedly connected. This apparatus can automatically lift the container from inside the heating device via a support plate when changing containers, and the replaced container can be directly placed on the support plate for convenient container replacement.

According to the automatic template exchange mechanism of the intelligent pattern machine and the working method thereof, the automatic template exchange mechanism of the intelligent pattern machine comprises a feeding and discharging table and a lifting table arranged on one side of the feeding and discharging table, a first linear conveying module is arranged between the feeding and discharging table and the lifting table, and a second linear conveying module is arranged between the feeding and discharging table and the lifting table; the lifting table comprises a lifting driving module and a plurality of placing layers arranged on the lifting driving module, a material taking table is arranged at one end of the lifting table, a first sewing machine table is arranged at one end of the material taking table, a second sewing machine table is arranged at the other end of the material taking table, and a second linear conveying module is arranged among the first sewing machine table, the material taking table and the second sewing machine table; secondly, the working method of the automatic template exchange mechanism of the intelligent pattern sewing machine is realized through the automatic template exchange mechanism of the intelligent pattern sewing machine, and the number of the placing layers is set to be three; the device has the advantages of being good for operators, saving space and reducing manufacturing cost.

The invention aims to solve the technical problems that in the prior art, data cannot be effectively recorded when key operations such as lifting and transverse moving are carried out, and the falling point positions of lifting and transverse moving cannot be effectively controlled, and provides a tensioning centering type posture adjusting system and method. The system comprises a supporting seat assembly, a posture adjusting assembly arranged on the supporting seat assembly, and a tray assembly arranged on the posture adjusting assembly, wherein the tray assembly is used for placing the bar assembly; the laser welding device further comprises a tensioning and centering assembly, a laser detection assembly and a controller, the tensioning and centering assembly is arranged at one end of the pipe body assembly, and the laser detection assembly is connected to one end of the bar assembly. The laser detection assembly comprises two laser sensors used for measuring the yaw angle, two laser sensors used for measuring the pitch angle and a laser sensor used for measuring the coaxiality. The two posture adjusting assemblies are arranged at the two ends of the bottom of the tray assembly correspondingly.

The invention discloses a remote start-stop compound system suitable for fluid conveying and a using method thereof. The system comprises a first process tank which is connected with first fluid conveying equipment and second fluid conveying equipment in parallel, and the first fluid conveying equipment is in pipeline connection with a second process tank through a first automatic control valve; the second fluid conveying equipment is in pipeline connection with the second process tank through a fourth self-control valve; a first pressure gauge is arranged on a pipeline for connecting the first fluid conveying equipment and the first self-control valve; and a second pressure gauge is arranged on a pipeline for connecting the second fluid conveying equipment and the fourth self-control valve. According to the invention, flow control and remote start and stop control of the fluid conveying equipment are realized, manual intervention is not needed, and adverse effects on a production device caused by equipment abnormity can be greatly reduced.

The application provides an anti-quantum searchable encryption method for confusing search mode and access mode, which comprises the following steps: a client determines real keyword roots, virtual keyword roots and document identifier roots according to a plurality of to-be-stored documents and identifiers, constructs a plurality of polynomial coefficient vectors, encrypts each polynomial coefficient vector and each to-be-stored document by using a shared key, obtains a search index and an encrypted document set, and sends the search index and the encrypted document set to a cloud server; a server generates a tuple set according to a query keyword, performs vector conversion to obtain a plurality of element vectors, encrypts each element vector to obtain a plurality of encrypted vectors, takes each encrypted vector and a corresponding label as a trapdoor, and sends the trapdoor to the cloud server; and the cloud server matches a target index from the search index based on an inner product predicate encryption algorithm, and sends a target encrypted document set corresponding to the target index to the client. The application realizes efficient and safe retrieval of cloud data in a quantum computing environment.

The invention discloses a 10 kilovolt scissor type live insulator fastening device, which belongs to the technical field of electric live working tools, and comprises a positioning transmission assembly and a stress application operation assembly which are in meshing transmission through a gear; the positioning transmission assembly comprises a sleeve used for being sleeved with a nut to be fastened below an insulator, and a ratchet wheel arranged below the sleeve, connected with the sleeve and used for achieving single-direction rotation. The supporting rod is arranged below the ratchet wheel and is connected with the ratchet wheel; the stress application operation assembly comprises a stress application gear vertically meshed with the ratchet wheel; and the stress application operating rod is fixedly connected to the stress application gear. The device can be flexibly adapted to insulators with different heights in a 10-kilovolt line, and the operation station does not need to be adjusted; the operation is simple.

The one or more embodiments of the specification provide a 3D digital pattern generation method, device, electronic equipment and storage medium. The method comprises: in response to a pattern designation operation, obtaining a designated 2D pattern and determining a corresponding pattern coverage area; determining a target material and at least one corresponding target basic manufacturing process, wherein each target basic manufacturing process has a corresponding target process simulation algorithm; and generating a 3D digital pattern matching the pattern coverage area using the target process simulation algorithm, wherein the 3D digital pattern has the target material. The method can improve the generation quality and efficiency of the 3D digital pattern, and improve the reusability of the 2D pattern.

The invention discloses a processing method and device for a touch mouse, and belongs to the technical field of computers.The method comprises the steps that one or more touch points in a mouse touch area are detected, and touch data of all the touch points are recorded; according to the number of the touch points and the touch data corresponding to all the touch points, the mouse input event corresponding to the touch operation is recognized, according to the processing method, only the index finger, the middle finger and the ring finger of the right hand are used, and the mouse touch operation is carried out according to the characteristic that the middle finger of the human body is long; eight complete functions of cursor movement, single click, double click, right click, dragging, roller rolling, middle key pressing and middle key dragging and the like of the mouse can be completed by the aid of the mouse, operation logic is simple, finger use is natural, operation efficiency of a user can be improved, and operation fatigue can be relieved.

The present invention discloses an oral device and its information generation method, molding method, system and storage medium. The oral device information generation method comprises: obtaining at least one set of original oral data pointing to at least the target oral tissue; analyzing the distribution and occupancy of the target oral tissue in the inner cavity space dimension according to the original oral data to obtain at least one set of oral feature data; determining and traversing the oral feature data in a preset target device information library according to the target device type to determine the oral device information that is closest to the oral feature data in the spatial dimension. The oral device information generation method provided by the present invention can avoid selection errors and dependence on clinical experience, and improve the matching degree between oral device information and models or actual conditions.