284 results about "Virtual plane" patented technology

According to the present invention, it is possible to make the system exhibit the performance required for operation while suppressing costs or minimizing the impact on economic activity in the vicinity of the site. [Solution] The present invention is an operation system comprising: a real aircraft behavior information acquisition unit that acquires real aircraft behavior information from a real aircraft; a simulated real aircraft that simulates a real aircraft in a virtual space based on the real aircraft behavior information; an unmanned aircraft group simulator that calculates the behavior state of a mixed unmanned aircraft group that is a mixture of unmanned aircraft and virtual aircraft generated in the virtual space; a control command determination unit that generates control commands for at least the real aircraft, etc.; a display unit that displays and outputs the behavior state of the generated mixed unmanned aircraft group; and a real aircraft increase / decrease determination unit that determines whether to increase the number of real aircraft deployed in the operation area by replacing at least one of the virtual aircraft with a real aircraft, or to decrease the number of real aircraft deployed in the operation area by replacing at least one of the real aircraft with a virtual aircraft.

The invention provides an aircraft refueling virtual-real combined practical training method and platform based on AR and scrapped equipment, and relates to the technical field of aircraft refueling training, and the method comprises the steps that a processing module loads digital twin scene data according to a training subject; the AR display module carries out space registration and superposition on the virtual airplane model, the virtual instrument interface and real scrapped refueling equipment; collecting operation action data of the trainee in real time; inputting the operation action data into the digital twin model, updating the state information of the virtual refueling operation, and sending the state information to an AR (Augmented Reality) display module; the AR display module displays the state information in an overlapping manner; when the butt joint operation is carried out, the relative position and posture of the physical joint and the physical refueling panel are monitored in real time, the correctness of the operation is judged, and the result is displayed through the AR display module; and the processing module records, analyzes and generates a quantitative evaluation report. The method can effectively solve the problems that pure virtual training lacks sense of reality, and pure physical training is high in cost and high in risk.

The invention relates to the technical field of AR (Augmented Reality), in particular to an intelligent exhibition hall guide information method and system based on the AR technology, and the method comprises the following steps: traversing a scene graph of a 3D model based on a user triggering instruction and the 3D model of an exhibit, recognizing a grid object without child nodes as an independent part, and storing the independent part in the scene graph; reading the axial constraint and the surface fitting constraint associated with each part, and reversing the direction vector of the axial constraint; according to the method, the initial disassembly vector of each part is reversely calculated based on the internal axial and surface fitting constraints of the exhibit 3D model, and a dynamic decomposition view conforming to the mechanical logic and the assembly sequence is provided. Furthermore, in an iterative solution loop, the overlapping volume of a part bounding box is detected in real time, a repulsive force is applied, and a traction force is generated by introducing a virtual plane parallel to a user viewpoint, so that a layout in which all parts are clearly visible and do not shield each other can be dynamically generated.

The invention provides a form page construction management method and system based on AI large model dialogue generation, and relates to the technical field of man-machine interaction, the method comprises the following steps: step 1, performing intention analysis on user intention description through a pre-trained neural network model, identifying a user intention type, extracting form field elements, and establishing a form page; the form field elements comprise field names, data types and verification rules; 2, constructing a form layout virtual plane based on the form field elements, and establishing a basic layout framework on the form layout virtual plane; arranging layout coordinate points in the basic layout framework; dividing the basic layout framework into a plurality of field distribution areas according to the data characteristics of the form field elements; by intelligently analyzing the user intention, optimizing the form layout, matching the components and automatically processing the business process, form page construction and automatic execution of the business process based on dialogue interaction are realized, and the form construction efficiency and the business processing normalization are improved.

The invention discloses a rapid topology sampling method and device for a large-scale constellation in an unreliable space environment, and mainly solves the problem of low sampling efficiency in the prior art. According to the implementation scheme, satellite constellation configuration parameters are obtained; different orbit link establishment modes of all satellite nodes under different distortion factors are determined; determining distribution modes of all satellite nodes on a virtual plane under different constellation configurations; judging whether the satellites have synchronism in the critical latitude region crossing event or not, and judging whether topological dynamics can be caused when the first orbit satellite and the tail orbit satellite cross the critical latitude region or not; automatically calculating the number and length of topology snapshots of constellation distortion topology in an orbit period according to a different orbit link establishment mode, a distribution mode of satellite nodes on a virtual plane and a topology dynamic result, and determining a distribution rule of inter-satellite topology snapshots; and converting a calculation result into an inter-satellite topology sampling time point and a corresponding topology snapshot length according to the distribution rule. The method is high in sampling efficiency and low in use threshold, and can be used for design and optimization of a large-scale distorted topological constellation network protocol.

A filter cleaning device (1) is provided. The device comprises a holder (100), a gas distributing pipe (200), a counterweight (300) and a swivel (400). The swivel is rotatably connected to the holder. The gas distributing pipe and the counterweight are connected to the swivel to allow a rotational sweeping motion of the pipe and the counterweight around a longitudinal centre axis of the holder. The pipe and the counterweight are arranged diametrically opposite each other on the swivel. The pipe comprises along a longitudinal extension thereof a first plurality of gas emitting holes configured to allow emission of a gaseous cleaning flow with an angle of 0-15 degrees in view of a virtual plane (VP) spanned by the pipe and the longitudinal centre axis of the holder. Further, the pipe comprises along the longitudinal extension thereof a second plurality of gas emitting holes configured to allow emission of a gaseous propelling flow with an angle of 75-105 degrees in view of said virtual plane. Also, a gas purification system (1000) using such filter cleaning device is provided.

A method for manufacturing monocrystalline silicon for growing monocrystalline silicon while a horizontal magnetic field is applied to a silicon melt, using a monocrystalline silicon manufacturing apparatus comprising a crucible and a heating device having a hollow cylindrical shape surrounding the crucible. The heating device comprises a first and a second heat-generating section, both having a hollow semi-cylindrical shape and the same heat-generating characteristics. The heating device is arranged such that when the heat-generating sections produce heat with different heat-generating quantities, the heating quantities of the first and second sections of the crucible are different. The first and second sections are arranged on either side across a vertical virtual plane that includes a central axis of the crucible and a central magnetic field line of the horizontal magnetic field.The process involves performing a first heating and generation cycle while the heat generation sections produce heat with the same heat generation quantity, and a second heating and generation cycle while the heat generation sections produce heat with different heat generation quantities.

A wire electrical discharge machining (EDM) device comprises the following: a pair of wire parallel guide rollers arranged on both sides of a workpiece to hold the workpiece between them, each of these rollers having a plurality of wire guide grooves formed at equal intervals on an outer circumferential surface, the plurality of wire guide grooves causing a plurality of running cutting wire sections to fit into them and constraining the movement of the plurality of cutting wire sections; parallel wire extension position measuring units (52a, 52b) which measure a distance between a measuring reference surface set parallel to a virtual plane containing the plurality of cutting wire sections and a wire electrode forming the plurality of cutting wire sections;a wire guide groove detachment detection unit (53) that detects the occurrence of a change in distance based on a measurement result obtained from the parallel wire extension position measuring units (52a, 52b); and a wire condition determination unit (54) that determines, based on the detection result obtained from the wire guide groove detachment detection unit (53), whether it is a wire detachment condition in which at least one of the cutting wire sections has detached from the wire guide groove, or a wire contact condition in which all cutting wire sections are in contact with the wire guide grooves.

The invention discloses an AUV (Autonomous Underwater Vehicle) pose correction method and system based on perspective conversion and a storage medium, and belongs to the field of underwater robots. The method comprises the steps that an underwater circular light source lamp array image is shot through a monocular camera, and initial circle center feature points are extracted after preprocessing and contour screening; using a P3P algorithm to preliminarily solve the relative pose and constructing a perspective transformation matrix; carrying out ellipse fitting on the contour and sampling on an ellipse, and projecting sampling points to a virtual plane through inverse perspective transformation; calculating an average circle center coordinate on the virtual plane, and re-projecting the average circle center coordinate to the image plane to obtain a corrected feature point; and finally, calculating a high-precision final pose by using the correction point through a P3P algorithm. According to the method, the virtual world plane is constructed by adopting a perspective conversion-based method with relatively small operand, the circle center coordinate is obtained in a circle correction mode by utilizing the characteristic that the inclination angle between the virtual world plane and the real world plane is relatively small, the influence of an eccentric distance phenomenon on the extraction of the circular target feature point is reduced, and the AUV pose resolving precision is effectively improved.

A method and system for continuous aerial handwriting stroke recognition in extended reality includes: sampling over time to acquire the three-dimensional position sequence of key finger points during user writing and the 6-DOF pose information of an XR computing device at the sampling time; constructing and training a lightweight neural network model, the model flow of which is as follows: preprocessing the input data and constructing kinematic features, then passing the kinematic features through a deep separable temporal convolutional network to output the writing probability and boundary probability at each sampling time, with the boundary probability used for auxiliary supervision during training; passing the sampled data through the trained lightweight neural network model to infer and output the writing probability at the sampling time, and extracting connected segments according to a threshold to recover the stroke segment set, thereby achieving visual interaction with the user. This invention relates to the field of information technology and can automatically identify the position of writing strokes and their boundaries from continuous hand movements without relying on virtual plane constraints or excessive reliance on explicit switching actions.

The invention discloses a coordinate positioning deflection method, device and equipment of a multi-axis parallel motor and a storage medium, and relates to the field of motor control. Constructing a virtual plane coordinate system at an initial position based on an electric actuator controlled by three parallel motors; the central points of the electric actuators are positioned on the same circumference; receiving a task instruction of the control platform deck, analyzing a distribution task of each electric actuator and carrying out position positioning; when the allocation task is translation operation, calculating the horizontal feed amount of each electric actuator according to the plane-coordinate system and the current position coordinate; when the distribution task is the deflection operation, the deflection feeding amount of each electric actuator is determined according to the plane coordinate system and the current position; and the servo driving system is controlled to feed the deviation rectifying carrying table, and the current position coordinates are updated. According to the scheme, rotary motion is converted into linear feed amount calculation, the control time sequence coordination problem among multiple modules is avoided, and the technical bottlenecks that a traditional structure is large in size, slow in response and low in precision are successfully solved.

The present invention provides an end capped optical fiber that can reduce the angular misalignment of the optical axis of a collimated light beam. [Solution] The optical fiber with an end cap comprises an optical fiber and an end cap having a first surface connected to the end face of the optical fiber, a second surface located opposite the first surface, and a side surface connecting the first and second surfaces. The end cap includes a convex lens, the second surface includes the convex lens surface, and the side surface includes an outer surface surrounding the optical axis of the convex lens. The angle formed by each of the two intersecting lines between the virtual plane containing the optical axis and the outer surface with respect to the optical axis changes as the virtual plane rotates once around the optical axis.

The present invention provides a shift device and a projector that can suppress the tilt of a projection optical device with respect to a plane perpendicular to the optical axis. [Solution] The shift device is a shift device that moves a projection optical device that projects an image in a first direction perpendicular to the optical axis of the projection optical device, and comprises a first moving member having a first reference part for moving the projection optical device, a frame that movably supports the first moving member, a first drive unit that applies a first driving force to the first moving member to move the first moving member along the first direction, and a first restricting surface that restricts the movement of the first moving member along the first direction by contact with the first reference part, wherein the first moving member includes a first load region on which the first driving force from the first drive unit acts, and the first restricting surface and the first load region are arranged on the same first virtual plane perpendicular to the optical axis.

A magnetic sensor includes a substrate having a reference plane, a support member having an inclined surface, and a magnetoresistive element disposed on the inclined surface. The magnetoresistive element has a bottom surface, a top surface, and a first side surface and a second side surface connecting the bottom surface and the top surface. The first side surface is, as compared to the second side surface, located in front in a first direction that is along the inclined surface and that gets close to the reference plane. At least a part of the first side surface is, as compared to a first virtual plane, located close to the second side surface, and the first virtual plane intersects with a first corner present at a position at where the top surface and the first side surface intersect and is perpendicular to the reference plane.

The present invention suppresses the narrowing of a fiber bundle width by means of a simple configuration when a moving fiber bundle is twisted. A fiber bundle feeding device (17) is provided with a plurality of guide rollers (60). Each guide roller (60) has a contact surface (60a). The plurality of guide rollers (60) include a guide roller (61) (most upstream guide) having a contact surface (61a), a guide roller (65) (most downstream guide) having a contact surface (65a), and guide rollers (62 to 64) (intermediate guides) respectively having contact surfaces (62a to 64a). When the plurality of guide rollers (60) are projected on a virtual plane VP, the contact surfaces (62a to 64a) (projected contact surfaces P62a to P64a) projected on the virtual plane VP are disposed at positions separated from a first center point PU and a second center point PD on the virtual plane VP.

A light emitting device in which a first substrate including a first semiconductor substrate and a first wiring layer, a second substrate including a second semiconductor substrate and a second wiring layer, and a light emitting layer are stacked. The light emitting layer is arranged between a structure including the first substrate and the second substrate and a predetermined virtual plane. At least one of the first wiring layer and the second wiring layer includes a pad electrode. The light emitting layer and the structure include an aperture that exposes the pad electrode to the virtual plane.

An electrical connection unit according to one embodiment comprises: a plurality of first modules each comprising an electronic component and a first rigid member on which the electronic component is mounted; a second rigid member on which the plurality of first modules are mounted; a wiring member connected to the plurality of first modules; and a fastening member that fastens the electronic components and the wiring member. The second rigid member extends in a first direction and a second direction intersecting the first direction. The fastening member is detachably attachable to the electronic components from a direction along a virtual plane formed by the first direction and the second direction. The wiring member is fixed to each electronic component by the fastening member. The second rigid member has a movement region in which the fastening member can move, said movement region being positioned between the electronic components and the outer edge of the second rigid member in the attachment / detachment direction of the fastening member with respect to the electronic components. The second rigid member has the plurality of first modules mounted thereon at positions away from the movement region.

A magnetic sensor comprises a substrate with a reference plane, a support element with an inclined surface, and a magnetoresistive element positioned on the inclined surface. The magnetoresistive element has a bottom surface, a top surface, a first side surface, and a second side surface connecting the bottom and top surfaces. The first side surface is positioned forward of the second side surface in a first direction that runs along the inclined surface and approaches the reference plane. At least a portion of the first side surface is positioned near the second side surface relative to a first virtual plane, and the first virtual plane intersects with a first corner located at the point where the top surface and the first side surface intersect and which is perpendicular to the reference plane.

A bank of a memory device may be divided into column planes. Each column plane may be associated with column selects. In some examples, one or more physical column planes may be selectively configured to store metadata. When the memory device is configured not to store metadata, the column selects may be arranged into virtual column planes to allow data to be stored in physical column planes used for metadata. The physical column planes may be arranged into virtual planes to store the data. Different mapping of the virtual planes to the physical planes may be used.

The invention discloses an electric connector and electronic equipment, and relates to the technical field of electric connectors, and the electric connector comprises a circuit board which is provided with a signal via hole, a ground via hole and a grounding plane connected with the ground via hole; the conductive terminals are electrically connected with the signal through holes of the circuit board, and multiple groups of conductive terminals are arranged; the shielding structure is arranged between two adjacent groups of conductive terminals; the common ground structure is connected with the plurality of shielding structures; the grounding structure comprises at least one group of abutting parts, each group of abutting parts comprises a plurality of abutting arms connected with the common ground structure and the grounding plane, the abutting ends of the plurality of abutting arms extend towards the direction close to each other, and the fixed ends of the plurality of abutting arms are located on the same virtual plane parallel to the circuit board. The projections of the abutting ends of the abutting arms on the virtual plane are arranged close to the center of the connecting line of the fixed ends of the abutting arms on the virtual plane. According to the technical scheme, the suppression effect on signal crosstalk is improved.

A moving blade (20) of an axial flow compressor has an airfoil part (22) of which the cross section forms an airfoil shape and which extends in a blade height direction perpendicular to the cross section. A leading edge part (23) including a leading edge (23l), a trailing edge part (24) including a trailing edge (24t), a negative pressure surface (25), and a positive pressure surface (26) are included. The shape of the outer edge on a virtual plane perpendicular to the blade height direction in the trailing edge part is an arc. Provided that the maximum blade height (W) is the maximum interval corresponding to a position in the blade height direction between the positive pressure surface and the negative pressure surface, the ratio of the arc radius (Rtc) of the trailing edge part to the maximum blade width (Wc) at the end on the tip side is greater than the ratio of the arc radius (Rtm) of the trailing edge part to the maximum blade width (Wm) at the midpoint in the blade height direction.

The invention relates to the technical field of optocouplers, in particular to a common-mode interference resistant optocoupler packaging structure based on condenser integration. The projection of the MYLAR collecting lens on a virtual plane completely covers elements on an IR pin and a PT pin base island, 120-degree divergent light of an IR chip is focused to a light spot with the diameter being 0.15 mm, the energy density reaches 230 mW / mm, 8mA driving current can output 18.2 V, a Faraday cage is formed by means of an aluminum plating layer on the surface of the MYLAR collecting lens, stray capacitance is reduced to 0.5 pF under the distance being 0.3 mm, + / -80 V common-mode pulse interference can be resisted, and the requirement for high-power LED light sources is met. The light-transmitting positioning column is arranged along the optical axis of the MYLAR collecting lens, so that the position of a light spot is more accurate and concentrated in a photosensitive area of the PVG, and stable light energy input is provided for the PVG; the technical problems that an existing ternary LED is insufficient in light intensity, the optical axis temperature electric leakage of a quaternary LED is large, and the small size and the anti-interference requirement repel each other are solved.

Treatment instrument (12) comprising: a first treatment body (344) having a treatment surface (352) to be used as a high-frequency electrode and configured to receive, together or separately, a high-frequency energy and another energy that differs from the high-frequency energy input into the treatment surface (352); and a second treatment body (402) configured to treat a treatment target in conjunction with the treatment surface (352), wherein the second treatment body (402) comprises: a contact section (462) extending along a longitudinal axis (L2) and possessing an electrically insulating property; and a first surface (452) which is used as the first high-frequency electrode, wherein: the first surface (452) borders the contact section (462) in a first lateral direction (W1) perpendicular to the longitudinal axis (L2), the contact section (462) faces the treatment surface (352) of the first treatment body (344), wherein the contact section (462) is configured to move between an open state in which the contact section (462) is separated from the treatment surface (352) along opening and closing directions, and a closed state in which the contact section (462) is closed relative to the treatment surface (352), and the contact section (462) is configured to be brought into contact with the treatment surface (352) in the closed state, and the first surface (452) is separated from the treatment surface (352) in both the open and closed states and comprises a first near edge (482a) of the first surface (452), wherein the first near edge (482a) is located near the contact section (462); and a first outer edge (482b) which is spaced from the contact section (462) from the longitudinal axis (L2) in the direction of a first side surface (384a) of a treatment section (326) in the first width direction (W1), and Assuming that a virtual plane (VP) is defined such that in the closed state it is perpendicular to the opening and closing directions and passes through the first near edge (482a) of the first surface (452), at a distance between the virtual plane (VP) and the first surface (452) a distance between the first outer edge (482b) and the virtual plane (VP) is greater than a distance between the first near edge (482a) and the virtual plane (VP).

A wiring board according to the present disclosure comprises: an insulating substrate that has a first surface and a second surface on the opposite side from the first surface; a first pad and a second pad that are positioned on the first surface; a first circuit conductor that has a first end portion that is connected to the first pad and a second end portion that is positioned closer to the second surface side than the first end portion; a second circuit conductor that has a third end portion that is connected to the second pad and a fourth end portion that is positioned closer to the second surface side than the third end portion; and a third circuit conductor that connects the second end portion and the fourth end portion. The first circuit conductor and the second circuit conductor have a circuit structure of the same shape as each other, or have a plane-symmetric circuit structure that has a virtual plane that perpendicularly intersects a virtual straight line connecting the second end portion and the fourth end portion as the plane of symmetry.

The invention discloses a control method for suppressing an aircraft wheel speed interference signal, and belongs to the technical field of aircraft brake control. According to the method, in the braking process, firstly, the airplane wheel speed vw0 at the t0 moment is recorded, and the virtual airplane speed vc0 is generated; at the moment t1, if the increment of the airplane wheel speed vw1 relative to the vw0 is larger than a preset threshold value delta, a virtual airplane speed vc1 is generated in a transient state, a to-be-confirmed identifier is set, and meanwhile the vc0 is kept effective continuously; and at the moment t2, if the reduction amount of the airplane wheel speed vw2 relative to the vw1 is larger than a preset threshold value delta j, the increment at the moment t1 is judged to be a false interference signal, the vc1 is cleared away, and the effectiveness of the vc0 is recovered. According to the method, the pulse type interference characteristic of increasing first and then decreasing is recognized, accurate filtering of instantaneous increasing distortion of the airplane wheel speed is achieved, braking pressure loss or anti-skid faults caused by the instantaneous increasing distortion are avoided, meanwhile, the real airplane wheel speed increasing process is not affected, and the braking efficiency is guaranteed.

An all-terrain vehicle, comprising a vehicle frame, an engine, and a primary operator seat cushion, wherein the engine and the primary operator seat cushion are both mounted on the vehicle frame, a longitudinal center plane is a virtual plane extending in an up-down direction and coinciding with a left-right center line of the vehicle frame, a bottom plane is a virtual plane located below the vehicle frame and extending in a front-rear direction perpendicular to the longitudinal center plane, a geometric center of an outer contour line of a projection of the primary operator seat cushion on the bottom plane is point A, and a symmetrical point of point A relative to the longitudinal center plane is point B; the all-terrain vehicle further comprises a plurality of flexible connecting components, the engine is flexibly connected to the vehicle frame by means of the flexible connecting components, a center of a projection of each flexible connecting component on the bottom plane is a point T, each point T is located behind line segment AB, and at least one point T is distributed on each of the left and right sides of the longitudinal center plane. The described structure can reduce the adverse effects of engine vibrations on the primary operator seat cushion, allowing for a more comfortable riding experience for the person riding thereon.

We offer iron golf club heads that allow the sweet spot to be brought closer to the center of the face. [Solution] An iron golf club head comprising a face member and a head body 200 supporting the face member. The face member comprises a striking surface for striking the ball and a back surface opposite to the striking surface. The head body 200 comprises a receiving surface that supports the peripheral edge of the back surface of the face member, a frame portion 205 extending annularly on the back surface side of the face member to form a cavity, and a hosel 7 extending upward from the heel side of the frame portion 205 and defining a virtual hosel central axis. A cavity contour line CC is defined in a cross-section of the head body 200 in a virtual plane parallel to the striking surface, at a distance of 3 mm from the receiving surface to the rear of the head. In a rear view of the head in a direction perpendicular to the striking surface, the shortest distance D between the virtual hosel central axis CL and the cavity contour line CC is 16 mm or less.

A bank of a memory device may be divided into column planes. Each column plane may be associated with column selects. In some examples, one or more physical column planes may be selectively configured to store metadata. When the memory device is configured not to store metadata, the column selects may be arranged into virtual column planes to allow data to be stored in physical column planes used for metadata. The physical column planes may be arranged into virtual planes to store the data. Different mapping of the virtual planes to the physical planes may be used.

An electric power tool includes a main body section with a battery compartment into which a battery is inserted from above and covered by a cover; an electric work section at a front of the main body section that operates using battery power; a front handle positioned above the main body section and ahead of the battery compartment, including a first part extending in a crossing direction intersecting front-rear and up-down directions; and a rear handle extending rearward from the main body section, wherein the battery stored in the battery compartment protrudes above a virtual plane that contacts upper regions of both the front handle's first part and the rear handle.

A camera calibration method includes: an image acquisition step of acquiring a plurality of calibration images obtained by capturing a dot pattern in which a plurality of dots are periodically arranged by a camera; a pattern information setting step of setting pattern information including information about arrangement of the dots; a feature point detection step of detecting a feature point indicating a position of the dot from the calibration image; and a parameter calculation step of calculating a parameter of the camera based on the feature point and the pattern information. In the feature point detection step, a dot center position is detected as the feature point based on a projected image of an outline of a dot image (DI) on an image plane (IP) of the calibration image projected to a virtual plane (VP) set in a three-dimensional space.