241 results about "Closed path" patented technology

The invention relates to the technical field of rock monitoring, in particular to a safety monitoring method and system for a rock slope, which is characterized in that an abnormal focusing area is generated through gradient change and density sudden change judgment, a basic entrance for early risk identification is constructed, the positioning accuracy of a crack sensitive section is enhanced, and the safety of the crack sensitive section is improved. The identification precision and the dynamic intervention capability of the potential risk area of the rock slope are enhanced, the linear features of the boundary response are extracted through the convolutional neural network, the identification and the reconstruction of the crack main extension path are realized, and the method combines the direction sorting and the structure continuity analysis to improve the reliability of the crack main extension path. Closed fitting and stable connection node labeling of a crack path are completed, a traceable structural framework is provided for subsequent trend analysis, dynamic modeling of crack migration evolution is achieved through comparison recognition of a displacement direction and an angle abrupt change point, a closed path grid can be constructed in a crack direction reversal area, and the dynamic modeling of crack migration evolution is achieved. And the dynamic response layout of the crack control structure is realized.

The invention discloses an automatic calibration method and device for a chip testing machine, and relates to the technical field of chip testing, and the method comprises the steps: forming a four-end-pair closed path through two channels, building a symmetric reciprocal calibration ring, carrying out the zero check, and generating a loop health vector; based on the loop health vector, bidirectional four-quadrant sequencing is performed on the first channel and the second channel, and independent errors of a source chain and a measurement chain are separated to form a channel error map; according to the channel error atlas, slope standard deviation piecewise linearization processing is executed on each measuring range and each frequency point, a middle linear region and nonlinear regions at the two ends are determined, and a sectional calibration table is generated. According to the method, bidirectional four-quadrant sequencing is executed under a healthy loop, and source chain and measurement chain errors are separated, so that an independent error map of each channel is obtained, and error term aliasing in traditional calibration is avoided.

The invention relates to the technical field of circuit board processing, in particular to a laser drilling method, a storage medium, laser drilling equipment and a high-frequency high-speed substrate. The laser drilling method comprises the steps that hole machining information of a hole structure is obtained, wherein the hole machining information comprises the hole position, the hole outer contour and the hole depth; taking the hole position as a positioning reference, and performing at least one of laser winding and cutting treatment and laser etching treatment on the high-frequency high-speed substrate to form a hole structure; wherein the laser winding and cutting treatment comprises the steps that first laser is controlled to move along a first closed path matched with the outer contour of the hole, so that the side wall of the hole structure is formed; and the laser etching treatment comprises the steps of controlling a second laser to carry out punching processing on an enclosed area of the outer contour of the hole so as to remove a base material in the enclosed area and form a bottom wall of the hole structure, and the method can be used for manufacturing the high-quality hole structure on the high-frequency and high-speed substrate and also can be used for manufacturing the high-quality hole structure on the high-frequency and high-speed substrate. And the processing efficiency of manufacturing a high-quality hole structure on the high-frequency and high-speed substrate can be obviously improved.

The present invention relates to a massage machine comprising: a substantially rectangular frame defining a longitudinal and a transverse direction perpendicular thereto, and a plane spanned by these directions and a center point; and at least one roller conveyor element, in particular a belt, chain, or rope, which runs along the longitudinal direction of the frame and to which a plurality of massage rollers, each with a roller body and a roller axle, are rotatably attached about this axle, wherein the massage rollers can be transported by the roller conveyor element along a closed path that runs in a plane spanned by the longitudinal direction and a vertical direction perpendicular to the longitudinal and transverse directions. According to the invention, the massage machine is characterized in that the massage rollers extend over the entire width, measured in the transverse direction, of a free interior space of the frame.

The embodiment of the invention provides a drawing label information identification method. The method comprises the following steps: acquiring a drawing label range of a drawing; determining a first closed path list based on the drawing frame and the drawing label range of the drawing; determining a closed path to which the graph signature field belongs based on a primitive range of text primitives in the text primitive list and a first closed path in the first closed path list; determining a content value range of the graph signature field based on a first intersection ratio of the subordinate closed path to the graph primitive range and an offset distance between the range center point of the text graph primitive and the subordinate closed path; and obtaining text content values in the content value range according to the content value range.

The present invention relates to a massage machine, comprising: a substantially rectangular frame, which defines a longitudinal direction and a transverse direction perpendicular thereto and a plane spanned by these directions and a centre point; and at least one roller conveyor element, in particular a belt, a chain, or a cable, which runs in the longitudinal direction of the frame and to which a plurality of massage rollers having a roller body and a roller axis are fastened so as to be rotatable about said roller axis; wherein the massage rollers can be transported by the roller conveyor element along a closed path, which runs in a plane spanned by the longitudinal direction and a height direction which is perpendicular to the longitudinal direction and transverse direction. According to the invention, the massage machine is characterised in that the massage rollers extend over the entire width, measured in the transverse direction, of a free interior of the frame. The massage rollers can be covered by a massage mat, and / or be guided on a segmented weight-carrying rail in order to travel over a desired contour.

A grating waveguide device that reduces rainbow artifacts, and a waveguide system. The grating waveguide device comprises a waveguide substrate (2) and a grating structure. The grating structure comprises a first in-coupling grating (3-1) and a first out-coupling grating (4-1), a grating region of the first out-coupling grating (4-1) having a grating line overlapping structure of multiple dimensions; alternatively, the grating structure comprises a second in-coupling grating (3-2), a fold grating (5) and a second out-coupling grating (4-2), a grating line region of the fold grating (5) and a grating line region of the second out-coupling grating (4-2) having an overlapping region. Grating vectors of the grating structure form one and only one closed path in a k-space. When a projected image of an imaging device enters an eye box via the grating structure of the waveguide substrate (2) as a projected light beam, an image displayed by the grating waveguide device is distortion-free and aberration-free compared with the projected image of the imaging device, and diffracted light generated by the diffraction of ambient light via the grating structure does not enter the eye box, such that human eyes cannot observe the rainbow artifact phenomenon in the eye box.

The invention belongs to the field of digital pathological image processing, and discloses an OpenSlide-based digital pathological image processing method and a related device, and the method comprises the steps: obtaining a digital pathological image, calling an OpenSlide library to analyze a pyramid structure of the image to generate a multi-resolution hierarchy, and dynamically calculating a loaded image region based on a slice request instruction input by a user; a double-Canvas rendering mode is adopted, a bottom layer Canvas loads an image area in real time, a labeling layer Canvas independently renders a labeling path, and separation of an image and a label is achieved; and generating a closed path based on the superposed image and the annotation mode, and exporting the annotation data in a general format. According to the method, the user interaction experience is improved, the interface operation is more intuitive, the process is simplified, and the drawing mode switching is convenient; the labeling efficiency is improved, real-time adjustment of complex contours is supported, and the workload is reduced; a data export function is enhanced, effective association of annotation information is realized, and multi-format universality is supported; multi-level support is improved, level switching is smooth, loading is fast, and tool performance and user experience are improved.

The invention relates to a low-voltage distribution line comprehensive intelligent protection method based on multi-parameter linkage, and the method comprises the following steps: collecting power distribution abnormal data, calculating a trigger interval, screening segments in a period, generating a sequential segment group, analyzing a serial number difference value to form a continuous path, recognizing rhythm abnormality, and eliminating interference flow. And a time fault is checked to construct a closed chain table, a rhythm stable closed loop structure is screened, and an intelligent protection result is output. According to the method, continuous fragments are constructed based on trigger rhythms and event numbers in abnormal data processing, path continuity is judged through difference values, effective flow directions are recognized, disturbance fragments are eliminated in combination with rhythm comparison, stable closed paths are constructed, and sequences with consistent rhythms and continuous numbers are screened to serve as a judgment basis. Accurate description of an abnormal propagation path and effective tracking of a response rhythm are realized, and identification sensitivity and protection strategy adaptability of a distribution line under multi-source interference are enhanced.

The invention provides a mechanical automatic material grabbing device and method, and the method comprises the steps: screening out a plurality of finger tip adjustment parameters of a manipulator end effector through a grabbing space of a target material, and converting all the finger tip adjustment parameters into compliance control parameters of the manipulator end effector in a closing process; based on the contact signal, determining a trend vector when the target material slides relative to the finger tip surface of the end effector of the manipulator, and determining the stability of the end effector of the manipulator in the sliding state of the target material according to the trend vector; dynamically predicting the closed path of the grabbing process through the compliance control parameters and the stability to obtain the grabbing stability deviation of the manipulator end effector; and when the grabbing stability deviation is larger than a preset stability threshold value, the closing speed and the contact pressure of all the finger tips of the mechanical arm are adjusted. By the adoption of the scheme, self-adaptive compliant control of the manipulator based on local features can be achieved in a complex grabbing environment, so that stable carrying of materials in the mechanical automatic grabbing process is guaranteed.

The invention relates to the technical field of driving rope devices, and particularly discloses a conical capstan rope-driven linear driver which comprises a conical capstan, a driving device, a closed-loop rope and a pulley block. The surface of the conical winch is provided with at least one winding groove with the diameter gradually changing in the axial direction. The driving device is used for driving the conical winch to rotate; the closed-loop rope is wound on the winding groove and forms a closed path through the pulley block; and the diameter of the variable-diameter section of the closed-loop rope wound on the winding groove is changed through rotation of the conical winch, so that the length ratio of the first rope section to the second rope section is changed, and the second pulley is driven to do translational motion relative to the first pulley. Bidirectional antagonistic driving and flexible movement of bionic muscles are achieved through synchronous reverse rotation of the conical winches and staggered winding of winding grooves in one side or two sides in combination with the elastic characteristic of a closed-loop rope. The diameter gradient structure enables driving force and stroke parameterization to be adjustable, and a mechanical structure does not need to be reconstructed; the closed path and the multi-circle winding design thoroughly avoid the risk that the rope is loosened and disengaged from the groove.

Reliability of a semiconductor device is improved. A resistance element and a trench form a closed path in plan view.The semiconductor device includes: first and second contact members each electrically connecting a gate pad and the resistance element; third and fourth contact members each electrically connecting a gate wiring and the resistance element; and fifth to eighth contact members each electrically connecting a first conductive member and the resistance element. A current path passing from the gate pad to the gate wiring through the first conductive member is made of the plurality of contact members and the resistance element. The first conductive member functions together with the fifth to eighth contact members to form a bypass path for reducing the current that flows through some sections of the closed path made of the resistance element.

The invention relates to the technical field of PCB jointed board matching, in particular to an automatic PCB jointed board identification method, which comprises the following steps: acquiring a layer file containing PCB frame information, the frame information comprising coordinates and lengths of line segments forming a frame; taking the origin of coordinates as a starting point, searching a shortest closed path based on the frame information, and forming a first daughter board frame by an area enclosed by the closed path; according to the shape of the frame of the first daughter board, identifying the frames of all the daughter boards in the substrate through a graph matching algorithm; generating position information and rotation angle information of each daughter board relative to the first daughter board based on a matching result; according to the invention, frame layer data is directly processed, manual intervention is eliminated, and matching failure caused by wrong pad selection is avoided; the rotation angle is automatically calculated, any-angle board splicing is supported, and parameters do not need to be predefined; based on frame template matching of geometric features, the calculation amount is reduced, and the trial and error process is avoided; the physical frame structure is preferentially identified, and the problem of matching fault tolerance when the bonding pad is missing or deformed is solved.

The invention discloses a dynamic laser measuring device and method for highway investigation, and relates to the technical field of laser measurement, and the dynamic laser measuring device comprises an automatic guided vehicle capable of autonomously moving and a measuring module installed on the automatic guided vehicle. The measuring module comprises a chain type transmission mechanism installed on the top of the automatic guiding vehicle through a height adjusting assembly and a dynamic laser measuring assembly installed on the chain type transmission mechanism. The chain type transmission mechanism comprises a rotary seat and a chain type rotary assembly, and the chain type rotary assembly is configured to drive the rotary seat to do rotary motion of a closed path in a set plane. The chain type transmission mechanism drives the laser distance measuring sensor to circularly move in a closed track, the automatic guiding vehicle moves at a constant speed, transverse section scanning and longitudinal section measurement are alternately completed in the continuous moving process of the vehicle, the shackle that traditional equipment needs to be started and stopped frequently is broken away, and the working efficiency is improved. Uninterrupted three-dimensional flatness data acquisition of the whole section of the expressway is realized, and the measurement efficiency is improved.

In some implementations, a user device may present, on a user interface (UI) associated with a user account, a first UI element. The user device may detect a user interaction, with the user device, indicating the first UI element. The user device may present, on the UI and based on the user interaction, a second UI element, which increases in length in a first direction from a start point, along a closed path around the first UI element and ending at the start point, while the user interaction is being detected. The second UI element completes the closed path when an interaction duration satisfies a duration threshold, which indicates a confirmation of a request for an action associated with the user account. The duration threshold is based on one or more parameters associated with one or more of the action, the user account, or the user interaction.

The invention relates to a quasi-differential wavefront segmentation double-beam interference device with a planar light path structural design, which has the structural characteristic of a non-closed optical path for transmitting a measurement light beam in a one-way manner. Space coherent light of a transverse mode vector filtering mechanism based on the Huygens principle / phased array principle instead of homologous transmission time coherent light is used as each light source, and a non-closed optical path is realized under the cooperation of a one-way transmission mode on a divided measuring light beam. The problem that the sum of the loop wavelength increment or the frequency increment of a closed path interference device is zero is solved, so that the purpose of measuring the first-level effect of anisotropic physical parameters of a measured object in a linear system is achieved, and the device is particularly suitable for immersion type online measurement. The optical elements have stable performance and sound self-adaptive mechanism and self-diagnosis capability through careful layout of the optical elements; and the method also has wide application prospects in basic physical research and novel navigation / positioning systems. The invention also provides a differential wavefront segmentation and semi-transparent and semi-reflective mirror beam combination interferometer device based on the planar light path structure design, and a wavefront segmentation interferometer device based on the planar light path structure design and provided with a pre-crossing area and a bending type one-way-two-way-common mode combination light path structure. The invention relates to a wavefront segmentation interferometer device of a one-way-two-way combined light path structure which is designed based on a planar light path structure and adopts polarization light splitting-beam combination, optical rotation processing of a reference light beam and original path returning, and a use method of an interference device.

A construction task dispatching method and system based on drawing information recognition. The method comprises: acquiring a drawing to be recognized; recognizing a plurality of closed paths in the drawing; on the basis of positional relationships among the plurality of closed paths, determining a drawing frame of the drawing; on the basis of the drawing frame of the drawing and a title block range of the drawing, determining title block information; on the basis of the title block information, determining a recognition result of a target object in the drawing; and on the basis of the recognition result of the target object, performing construction task dispatching.

A cooling device (5) for a forklift truck (1) is shown and described, wherein the cooling device (5) defines a closed cavity extending along a closed path and along which a cooling medium can be moved, and wherein the cooling device (5) includes a counterweight (3) of the forklift truck (1), the counterweight (3) defining a cavity section of the closed cavity. Furthermore, a counterweight (3) for a cooling device (5), a method for manufacturing a counterweight (3), and a forklift truck (1) are shown and described.

The invention relates to a filling method and a filling line wherein a plurality of filling units, each one being suitable to contain the volume of fluid necessary to fill a respective container C, are recirculated in the filling line along a closed path P2, along a portion of which they are temporarily integral with respective containers C and fill them autonomously at a buffer station, in a longer time than that necessary for filling the same volume of fluid into said filling units which, therefore, can be filled at the normal production speed of the line at a filling station separate from the buffer station. Downstream of the buffer station, the emptied filling units are separated from the respective filled container C and are filled with a new volume of fluid, in order to autonomously transfer it to another, respective container C at the buffer station.

The present application relates to the field of path planning, in particular to a robot, a path planning method and apparatus therefor and a storage medium. The method comprises: acquiring a motion trajectory of a robot; on the basis of the motion trajectory, estimating that a movement path of the robot meets a preset closed path condition, and determining the type of the closed path; and determining an exit path of the robot on the basis of the type of the closed path, and, on the basis of the exit path, controlling the robot to exit the closed path. Thus, the present application can reduce the probability that robots are stuck in a looped motion pattern, thereby improving the task execution efficiency of robots.

There is provided a baby carrier comprising: a waistband capable of being stably secured to a user's waist, defining, in use, a closed path formed along a trajectory located on a transverse plane, and comprising a shoulder strap defining a surface formed perpendicular to the transverse plane along the trajectory; a support device comprising at least one rigid panel formed along a support plane; and a fastening device that fastens the waistband and the support device to each other in such a way that the panel can rotate relative to the shoulder strap about an axis of rotation formed along a portion of the trajectory defining at least a stable closed configuration in which the panel is in contact with the shoulder strap, and a stable maximally open configuration in which the panel is in contact with the shoulder strap. The panel has a stable, maximally open configuration in which the planes are substantially parallel to each other and / or the panel is closer to the shoulder strap, and a stable, maximally open configuration in which the planes are perpendicular to each other and the panel is farther from the shoulder strap, thereby defining a maximum angle of rotation between the planes about the axis of rotation.

A drilling machine includes a loading device of the carousel type for a plurality of rod modules and optionally a plurality of covering modules. The loading device includes a platform, on which the rod modules are arranged to be orthogonal to the platform, and a conveyor system for conveying the rod modules along a closed path. The carousel loading device includes a lateral containment frame provided with an opening for the extraction and / or insertion of the rod modules through the translation of the rod modules in a direction that is substantially parallel to the platform or has at least one component parallel to the platform.

Certain aspects of the disclosure provide a modular conduit assembly, comprising: a plurality of straight conduit segments; one or more corner conduit segments, each comprising a bend of a predetermined angle; and a plurality of joint connectors configured to interconnect the straight conduit segments and the one or more corner conduit segments to form an enclosed pathway for routing one or more cables or wires.

A planar magnetic core includes multiple ferromagnetic layers including multiple hard ferromagnetic bias layers and multiple soft ferromagnetic layers. Each ferromagnetic layer comprises a soft ferromagnetic layer or a hard ferromagnetic bias layer. Each hard ferromagnetic bias layer is a neighboring ferromagnetic layer of at least one soft ferromagnetic layer. The planar magnetic core also includes a plurality of insulating layers, each insulating layer disposed between adjacent ferromagnetic layers. Each ferromagnetic layer has an easy axis of magnetization parallel to a principal plane of the planar magnetic core, where the easy axes of magnetization are aligned. Each hard ferromagnetic bias layer is magnetized to create an in-plane bias magnetic flux through the hard ferromagnetic bias layer in a first direction that is parallel to the easy axis of magnetization and forms a closed path through a neighboring soft ferromagnetic layer in a second direction parallel to the first direction.

A shaped thermal filler particle has an elongate shape defined by a substantially planar first smooth surface and a second smooth surface that contacts the substantially planar first smooth surface along a planar closed path. The planar closed path has a length to width ratio of at least 1.5. The shaped thermal filler particle has a maximum linear dimension normal to the planar first smooth surface that is less than or equal to one half of the length of the closed path. A thermally conductive composition comprises from 1 to 95 percent by volume of the shaped thermal filler particles dispersed in a binder. An assembly comprises a heat source, a heat sink, and the thermally conductive composition at least partially sandwiched between the heat source and the heat sink.

The invention relates to a device for processing, filling, and / or labeling hollow bodies, in particular preforms or containers, with a collision avoidance mode (84). The device comprises a conveyor line (33) for conveying the hollow bodies in a conveying direction (20) and a plurality of transport devices (30) arranged successively along the conveyor line (33) in the conveying direction (20). Several or all of the transport devices (30) comprise a conveyor section (34), in particular a conveyor wheel (36), at least one receptacle (38) arranged on the conveyor section (34) for transporting a hollow body along a portion of the conveyor line (33), and an electric drive (43) associated with the conveyor section (34) for moving the conveyor section (34) such that the receptacle (38) travels along a closed path, in particular a circular path (40).is moved. The device further comprises a controller (56) for controlling angles of rotation of the drives (43), wherein at least one pair of mutually associated transport devices (30) following one another in the conveying direction (20) can be defined in the controller (56), and one of the two conveyor sections (34) can be defined in the controller (56) for the pair as the lead conveyor section (52) and the other of the two conveyor sections (34) of the pair as the follower conveyor section (54), wherein for each position of the lead conveyor section (52) of the pair, permitted position ranges (66) and / or prohibited position ranges (68) for the follower conveyor section (54) of the pair can be stored in the controller (56), and the controller (56) is configured to control the drives (43) in a collision avoidance mode (84) such that the follower conveyor section (54) leaves its prohibited position range (68) and enters its permitted position range (66). entry,does not enter its prohibited position area (68) and / or remains in its permitted position area (66). , The invention further relates to a method for operating a device, a controller (56) for a device and a computer program product for a device.

An optical cavity includes a plurality of mirrors that reflect light along a closed path. First and second mirrors of the plurality of mirrors define an optical axis therebetween. The optical cavity includes first and second lenses located between the first and second mirrors along the optical axis. A mode of the optical cavity has a waist located between the first and second intracavity lenses. Small values of the waist (e.g., <10 microns) produce large cooperativities that relax requirements for the cavity finesse (i.e., reflectivity of the mirrors). The mirrors may be retroreflecting to create a Fabry-Perot cavity. Alternatively, the first and second mirrors may define one segment of a ring cavity. The optical cavity may be used to trap, read, entangle, and drive nonlinear emitters (e.g., atoms, color centers, quantum dots) located near the waist.

The invention relates to cleaning equipment, in particular to aluminum material welding end cleaning equipment. The aluminum material welding end cleaning equipment comprises a conveying device, a cleaning device, a lifting device and a control device, a plurality of fixing clamps used for containing products are arranged on the conveying device, the conveying device is used for enabling the fixing clamps to circularly move along a closed path, the products are provided with ends, the cleaning device comprises a cleaning tank, and the lifting device is used for lifting the cleaning tank. The lifting device is used for enabling the cleaning tank and the fixing clamp to move relatively in the height direction of the aluminum material welding end cleaning equipment so that the end can enter or exit from the cleaning tank, and the control device is used for controlling starting and stopping of the lifting device and the conveying device. Only the end of the product enters the cleaning tank to be cleaned, and the cleaning tank can be very small, so that the use amount of medicaments and clean water can be remarkably reduced.

To provide a wafer vacuum carrier.SOLUTION: A wafer vacuum carrier includes a connection portion arranged to be connected to a vacuum source, and a mounting portion adjacent to the connection portion and arranged to support a wafer, the mounting portion includes a plurality of through holes and a continuous closed path, the closed path communicates the through holes with the vacuum source, includes a plurality of connected rings and is arranged concentrically, the through holes are positioned above the closed path and arranged along the closed path, the closed path extends to the connection portion, and when the vacuum source is turned on, the mounting portion adsorbs the wafer by the closed path and the through holes.SELECTED DRAWING: Figure 2

The numerical control identification ruling machine comprises a conveying frame, a visual identification assembly and a ruling assembly, the visual identification assembly and the ruling assembly are arranged on the conveying frame, a circulating conveying pressing net is arranged above the conveying frame, the circulating conveying pressing net forms an annular closed path, and an activity space is defined in the circulating conveying pressing net; the scribing assembly is fixed to the conveying frame and located in the movable space. A conveying channel used for conveying shoe materials is defined between the lower net face of the circulating conveying pressing net and the conveying belt of the conveying frame. The circulating conveying pressing net and the conveying belt of the conveying frame operate synchronously. Through the synchronous operation of the circulating conveying pressing net and the conveying belt and the design of the light-transmitting net structure, the non-stop continuous conveying of shoe materials in the conveying channel is realized, and the mechanical vacancy time caused by shutdown pressing net and static scribing of traditional equipment is thoroughly eliminated.