2894 results about "Vertical plane" patented technology

An arm-equipped unmanned aerial vehicle and a control method therefor, the arm-equipped unmanned aerial vehicle comprising a tilting quadrotor unmanned aerial vehicle, a mechanical arm, and a control module (7). The tilting quadrotor unmanned aerial vehicle comprises a fuselage, tilting driving devices and tilting arms, the mechanical arm being mounted below the fuselage, the control module (7) being mounted above the fuselage, and the tilting driving devices being respectively arranged on two sides of the fuselage. Each tilting driving device is in drive connection to a tilting arm, the tilting arms extending from the head of the fuselage to the rear of the fuselage, and the tilting driving devices being used for driving the tilting arms to rotate in a vertical plane. The two ends of each tilting arm are each provided with a rotor mechanism that can be driven to rotate. The mechanical arm, the tilting driving devices and the rotor mechanisms are all connected and driven by the control module (7).

The present disclosure is directed to a windup swing assembly. The windup swing assembly comprises a swing arm assembly, a drive spring, and an escapement assembly. Each of the axes of the swing arm assembly, the drive spring, and the escapement assembly can be angled relative to each other. The axis of the drive spring can be angled in a non-vertical direction relative to a vertical plane. The axis of the swing arm assembly can be angled in a non-horizontal direction relative to a horizontal plane or support surface.

The invention belongs to the technical field of visual identification, and particularly discloses a thick plate weld groove orthogonal section contour three-dimensional point cloud reconstruction method and system. Comprising the following steps: dividing a three-dimensional point cloud of a groove contour into a plurality of parts according to geometric characteristics of a weld groove; receiving designation of a target part, extracting a point cloud subset at the left junction of the target part, and further fitting to obtain an edge line; confirming a point closest to the three-dimensional point cloud of the current frame on the edge line; calculating a tangent vector of the edge line at the nearest point as a normal vector of an orthogonal section; calculating the distance between each point in the three-dimensional point cloud of the current frame and the normal vector of the orthogonal section, and screening out all points which do not exceed a preset threshold value; and calculating a projection point of each screened point on the orthogonal section to jointly form a reconstructed thick plate weld groove orthogonal section contour. According to the method, the coordinate system orthogonally perpendicular to the welding seam in real time is constructed, the three-dimensional point cloud is projected to the orthogonally perpendicular plane, the orthogonal section contour of the groove of the welding seam is obtained, and the measurement error caused by the pose of the sensor is eliminated.

The invention provides a building instantiation segmentation method and device, a terminal and a storage medium, and relates to the technical field of three-dimensional point cloud processing, and the method comprises the steps: carrying out the plane segmentation of a building point cloud of a target building, and extracting a potential vertical plane point cluster from a building plane point cluster obtained through the segmentation; mapping all three-dimensional point clouds in the potential vertical plane point cluster to a two-dimensional feature space to obtain a two-dimensional point set, and processing the two-dimensional point set by using a preset dual-threshold judgment mechanism to extract a building vertical structure point cluster; generating a building distance map based on the building vertical structure point clusters, and generating instance anchor points on the distance map; extracting a multi-level contour in the distance map based on the instance anchor points, constructing a tree-shaped hierarchical relationship corresponding to the multi-level contour, and constructing a mark matrix based on the tree-shaped hierarchical relationship; and building two-dimensional instantiation segmentation is carried out on the distance map based on the mark matrix. Through the unsupervised hierarchical segmentation framework, the dependence on the annotated data can be eliminated, and the segmentation precision is improved.

In an installation of a wind turbine on a floating foundation in floating condition and subject to sea-state induced motions, e.g. at the site of an offshore windfarm, use is made of a vessel with a crane arranged on the hull and provided with a hoisting system adapted to support the weight of the wind turbine and suspend the wind turbine from the crane. A heave compensation device compensates for sea-state induced heave motion of the wind turbine mast relative to the mast mounting structure of the floating foundation. Use is made of a mast alignment system configured to engage on the suspended wind turbine, e.g. on the mast of the suspended wind turbine, and to bring and maintain the mast of the wind turbine in alignment with the mounting axis of the floating foundation in order to compensate for sea-state induced motions, at least including tilt motions in one or more vertical planes, of the wind turbine mast relative to the mounting axis of the floating foundation.

The invention provides an intelligent robot system for a discharging procedure of a rare earth smelting furnace, which comprises a first supporting assembly, the first supporting assembly comprises a first guide rail structure, and the first guide rail structure extends along the horizontal direction; the first driving device is arranged on the first supporting assembly and can move along the first guide rail structure; the second supporting assembly comprises a second guide rail structure, and the second guide rail structure extends in the vertical direction and is connected with the first driving device; the mechanical arm assembly comprises a second driving device and a driving arm, the second driving device is arranged on the second guide rail structure and connected with one end of the driving arm, and the driving arm can swing around the end and in the vertical plane; and the discharging assembly comprises a scoop extending in the vertical direction, and the top end of the scoop is rotationally connected with the other end of the driving arm. And the discharging procedure of the rare earth smelting furnace can be efficiently and accurately completed.

The invention relates to a three-dimensional storage system capable of rapidly taking and placing material boxes. The three-dimensional storage system comprises a modularized extensible vertical warehouse, a lifting portal frame and a cargo carrying table device arranged on a movable support. The modular extensible three-dimensional warehouse is characterized by comprising at least two three-dimensional warehouse frame bodies, and each three-dimensional warehouse frame body is formed by stacking at least two standardized material frame units in the vertical direction through detachable connecting structures; the vertical warehouse frame bodies are arranged in parallel in the horizontal direction; the at least one top beam is transversely erected on the tops of all the vertical warehouse frame bodies which are arranged in parallel; the inserting structure is arranged at the bottom of the top beam; wherein the top beam is detachably and rigidly connected with the top of each three-dimensional warehouse frame body in an inserting manner through the inserting structure of the top beam, so that all the three-dimensional warehouse frame bodies form an integral stable structure; the lifting portal frame is transversely and movably arranged on the top beam, and the cargo carrying table device is movably arranged on the lifting portal frame and used for achieving two-dimensional movement of the cargo carrying table device in the vertical plane. The scheme has the advantages of stable structure, flexible expansion and convenient installation.

The invention discloses a visual sag detection method, system and device. The method comprises the following steps: S1, pre-calibrating external parameters of a camera and a laser radar, and obtaining internal parameters and relative external parameters of the camera and the laser radar; s2, synchronously acquiring image data and three-dimensional point cloud data of the to-be-detected power transmission conductor respectively; s3, performing fitting by using the wire local three-dimensional point cloud to extract a wire part point cloud, and determining a vertical plane where the wire is located by combining gravity direction information and external parameters; s4, segmenting image pixels of the leads in the image acquired by the camera, and determining pixel coordinates of the leads in a camera coordinate system; and S5, projecting the segmented conductor image pixels to a vertical plane, expanding the conductor image pixels into a three-dimensional space point cloud under a camera coordinate system, fitting a catenary of the power transmission conductor line based on the three-dimensional space point cloud, and calculating a sag value of the conductor. According to the invention, the sensing precision of the conductor state in the sag detection technology can be improved, and high-precision sag detection can be continuously carried out after a single system is installed.

The utility model discloses a stator wire pressing device, which comprises a workbench and a wire body, the wire body is provided with a plurality of trays moving along the wire body, the upper side surface of each tray is provided with a wire plugging tool, the workbench is internally provided with two groups of jacking assemblies, the two groups of jacking assemblies are linearly arranged along the wire body and are positioned below the wire body, and the wire plugging tool is positioned below the wire body. The jacking assembly and the tray are located in the same vertical plane, a wire holding assembly used for fixing the end of a stator copper wire is arranged on the upper side face of the workbench, a wire pressing assembly used for pressing the stator copper wire downwards is arranged on one side of the wire holding assembly, and the wire pressing assembly is located on the upper side face of the workbench. The copper wire inserting tool has the advantages of limiting the pre-inserted copper wire and the wire inserting tool and preventing the copper wire from deviating.

The invention belongs to the technical field of aviation wind tunnel tests, and particularly relates to a wind tunnel test six-degree-of-freedom parallel supporting mechanism based on 6-PSS configuration, and the mechanism comprises a wind tunnel test support, the middle part of which is used for airflow to pass through; the aircraft model is installed in the wind tunnel test support; the wind tunnel test support comprises a test section and a support section, the aircraft model is located in the test section, one end of the parallel support mechanism is installed in the support section, and the other end of the parallel support mechanism is connected with the aircraft model; the parallel supporting mechanism comprises: a model supporting rod, one end of which is connected with the aircraft model; one end of each of the six position adjusting parts is spherically hinged to the other end of the model supporting rod; the six position adjusting parts are divided into two groups and are symmetrically arranged on the two sides of the vertical plane where the model supporting rod is located; one end of the position adjusting part away from the model supporting rod is fixed with the inner side of the bracket section; the movable end of the position adjusting part is spherically hinged to the model supporting rod.

The invention relates to a method for checking the strength of a guide rod of a hydraulic support based on a safety standard test. The method comprises the steps that S1, the rated working resistance of the hydraulic support in a preset underground working state, the included angle between the axial direction of a stand column and the vertical face, safety standard test cushion block information and guide rod information are obtained; s2, acquiring a strength safety coefficient K of the guide rod according to the information acquired in the step S1; s3, the strength safety coefficient K is used for checking the strength of the guide rod of the hydraulic support so that the guide rod of the hydraulic support used in the underground coal mine can meet the strength requirement; wherein when the strength safety coefficient K is obtained, the safety standard test stress analysis model provided with the safety standard test cushion block is adopted to process the information, and the strength safety coefficient K is obtained. According to the method, the stress condition of the guide rod in the preset underground working state can be accurately analyzed, the strength safety coefficient K is obtained by adopting the safety standard test stress analysis model provided with the safety standard test cushion block, and therefore it is ensured that the strength of the guide rod meets the underground use requirement of a coal mine.

The present disclosure provides a phase shifter with an adjustable output mode, capable of switching the output mode of a conventional antenna in a vertical plane, includes a fixed dielectric plate provided with a fixed circuit; a moving sliding plate, the moving sliding plate is provided on the side of the fixed dielectric plate, a plurality of sliding circuits are provided on the moving sliding plate corresponding to each of the fixed circuits, the fixed circuits are capable of being coupled with at least one of the corresponding sliding circuits to form a phase-shifting circuit together, and the moving sliding plate slides with respect to the fixed dielectric plate, is capable of switching the sliding circuits coupled with the fixed circuits, and is capable of adjusting the phase of the output signal of the phase-shifting circuit; the present disclosure further provides an antenna using the phase shifter.

The invention discloses an overhead type insulated power cable, relates to the technical field of insulated cables, and aims to provide an overhead type insulated power cable which does not need to be supported by a bridge and can be horizontally mounted in an overhead manner by utilizing the overhead type insulated power cable, and the technical key points are that the overhead type insulated power cable comprises a cable main body which comprises an internal conductive core and an external insulating layer, the insulating layer is arranged between the conductive core and the insulating layer, the wire core wrapping layer is arranged between the conductive core and the insulating layer in a filling mode, supporting components are arranged at the top and the bottom of the insulating layer, and the two supporting components are located on the same vertical plane and are arranged in parallel. And the horizontal bending hinge is arranged in a manner that the axial direction is consistent with the radial direction of the cable main body, so that the horizontal bending hinge cannot be bent up and down, and after the cable main body is mounted in an overhead manner, the gravity of the cable is borne by the horizontal bending hinge, and the cable is prevented from falling greatly.

A flying vehicle includes a first rotor assembly, a second rotor assembly and a second rotor assembly pylon arranged to mount the second rotor assembly to the remainder of the flying vehicle. The first rotor assembly and the second rotor assembly are located so that they are spaced in a longitudinal direction of the flying vehicle and so they are substantially on a vertical plane that is parallel to a vertical plane aligned with a longitudinal axis of the flying vehicle. The first rotor assembly includes a tilt-rotor arranged to tilt between delivery of substantially vertical flight thrust and substantially conventional flight thrust. The second rotor assembly includes a stacked plurality of substantially vertical thrust rotors mounted to the pylon so as to be substantially to the same side of the pylon.

The utility model provides a tunnel blasting drilling positioning mechanism which comprises a spray head, a mounting T-shaped seat, a limiting connecting rod, a swing rod, a positioning rod, a positioning rod and a positioning rod, and the spray head is connected with the mounting T-shaped seat which is rotatably connected with the limiting connecting rod and the swing rod; the limiting connecting rod and the oscillating rod are rotationally connected with the hinge seat respectively; the hinge seat is connected with the cover, and the cover is connected with the vertical groove; the T block is arranged in the vertical groove, the T block is rotationally connected with a power rod, and the power rod is rotationally connected with the swing rod. The utility model relates to the technical field of positioning, in particular to a tunnel blasting drilling positioning mechanism. In order to overcome the defects in the prior art, the tunnel blasting drilling positioning mechanism is developed, the position of the spray head in the vertical plane can be conveniently adjusted, the spray head is perpendicular to the drilling position as much as possible, and spraying marking positioning is carried out.

The invention discloses a large-stroke hydraulic vibration horizontal test bed, which is used for solving the problems of interference, abrasion and easy fatigue fracture of a force transmission component caused by a centering error between a large-stroke hydraulic vibration exciter and a horizontal table board. The test bed comprises a base, a hydraulic vibration exciter, a horizontal table top and a spring plate assembly connecting the base and the hydraulic vibration exciter. A function decoupling design is adopted, wherein a guide rail compensation block with horizontal transverse elasticity is arranged in a guide mechanism between a horizontal table top and a base and is specially used for dynamically compensating centering errors in the horizontal direction; meanwhile, the spring plate assembly is constructed to be composed of multiple layers of stacked spring plates parallel to the horizontal table top, centering errors in the vertical direction are dynamically compensated through bending flexibility of the spring plates in the vertical plane, the working stress is greatly reduced through the multi-layer structure, and the fatigue life is prolonged. By means of the design, unification of high-rigidity excitation force transmission and multi-dimensional dynamic error compensation is achieved, the reliability and precision of equipment are remarkably improved, and the service life of the equipment is remarkably prolonged.

A structure for linking and supporting a turbine engine on an aircraft pylon, the structure having a first longitudinal axis intended to extend parallel to a second longitudinal axis of the pylon, the structure including a first axial portion for fastening to the pylon, the first portion having an upper end that defines a substantially horizontal plane of interface with the pylon, and a lower end bearing suspension rods for suspending the turbine engine, which extend in a rear vertical plane; and a second axial portion that is intended to extend forward of the pylon and includes at least one suspension member of the turbine engine in a front vertical plane.

The welding equipment comprises a bottom plate, a first stand column and a lifting mechanism are fixedly arranged on the front side of the upper end face of the bottom plate, and a workbench capable of overturning up and down in a vertical plane to adjust the inclination angle is installed on the upper end face of the first stand column in a hinged mode. A connecting rod capable of rotating in a vertical plane is installed on the left side face or the right side face of the first stand column, and the lifting mechanism and the connecting rod are correspondingly located on the left side and the right side of the first stand column. A lifting assembly is installed at the upper end of the second stand column, and a welding gun assembly correspondingly located above the workbench is installed on the lifting assembly. According to the welding equipment, the influence of manual welding factors is overcome, the welding quality reliability of gear ring type shafts is ensured, the manual welding labor amount is greatly reduced, the labor cost is saved, and the welding efficiency is improved; the welding procedure can be divided into several procedures to be intermittently carried out, so that the gear ring can be fully cooled after being circumferentially welded every time in a short time, and the hardness of the gear ring on a gear ring type shaft finished product is ensured not to be greatly reduced.

A serpentine resistor within a back end of line (BEOL) level of a substrate includes a plurality of first sections oriented in a first horizontal direction, at least one second section oriented in a second horizontal direction, a plurality of vertical sections, and at least one lateral turn between the first horizontal direction and the second horizontal direction. The serpentine resistor may have a serpentine shape in the vertical plane and the horizontal plane, and may extend between two bonded substrates, providing higher resistance values compared to conventional BEOL resistors.

The invention belongs to the technical field of suture line cutting, and particularly relates to a suture line cutting device for continuously preparing a circumferential barb structure, which comprises a support system, a suture line penetrates through the center of the support system, and the middle part of the support system is fixedly connected with a pneumatic clamping jaw for clamping the suture line; the four crankshafts are arranged around the suture line, the four crankshafts are rotationally connected to the four corners of the support system respectively, and cranks of the crankshafts are arranged in parallel; the cutting frame is rotationally connected with the four crankshafts; the cutting blades are fixedly connected with the cutting frame, the cutting blades are arranged around the suture line, and the cutting blades are used for cutting scratches on the surface of the suture line; the fixed end of the transmission structure is connected with the support system, the movable end of the transmission structure is connected with the four crankshafts, and the transmission structure enables the four crankshafts to rotate synchronously. During use, the four crankshafts synchronously rotate through the transmission structure, the four crankshafts simultaneously drive the cutting frame to translate in the vertical plane where the cutting frame is located, and the multiple cutting blades sequentially cut scratches on the surface of a suture line to form a barb structure.

The invention relates to the technical field of pipeline production, and aims to solve the technical problems of leak detection, high labor intensity of manual repair and the like. In order to solve the technical problem, the invention provides the pipeline robot and the method for detecting and repairing the defects of the inner wall of the pipeline. The pipeline robot comprises a robot body walking in a pipeline; the three-dimensional detection assembly is arranged at the front end of the robot body; a laser of the three-dimensional detection assembly emits a laser beam and forms a light ring on the inner wall of the to-be-detected pipeline; the 3D camera is used for shooting light rings; the lifting assembly is connected with the robot body and the three-dimensional detection assembly to drive the three-dimensional detection assembly to lift; the repairing assembly is arranged at the tail end of the robot body. A polishing brush of the repairing assembly is connected with a rotary power part so as to drive the polishing brush to rotate in the horizontal plane and the vertical plane. According to the invention, surface defects can be detected with high precision and high efficiency, detection and repair are integrated, and labor intensity is reduced.

A table saw system includes a table saw, and a stand including a table saw coupling assembly, an intermediate support pivotably coupled to the coupling assembly, and a lower support pivotably coupled to the intermediate support through a second pivot. A longitudinal support pivotably connects to the coupling assembly through a third pivot, and pivotably connects to the lower support through a fourth pivot. The stand is alternatively movable from an intermediate position to a closed position whereat the table saw is vertically oriented, or an open position, whereat the table saw is horizontally oriented, without passing through the other of the closed and open position. The table saw is vertically oriented in the intermediate position with the second pivot closer to a vertical plane extending through the fourth pivot than when the stand is in the closed position. Movement from the closed position to the intermediate position is automatic.

The invention relates to a novel telescopic mechanism of a hydraulic support. The novel telescopic mechanism comprises a fixed beam, a movable beam, a first driver, a second driver, a plurality of guide rods and a cleaning mechanism. One side of the fixed beam is hinged to a top beam of the hydraulic support, and the two ends of the first driver are arranged on the top beam and the fixed beam so as to drive the fixed beam to rotate to a standby position or a supporting position in a vertical plane; one ends of the plurality of guide rods are fixed in the movable beam, and the movable beam is slidably sleeved on the fixed beam through the plurality of guide rods; the second driver is arranged in the fixed beam and connected with the movable beam so as to drive the movable beam to slide along the fixed beam, and then the supporting face of the top beam of the hydraulic support to the thin coal seam top plate is enlarged. The thin coal seam cleaning device has the beneficial effects that the thin coal seam cleaning device is not only suitable for thin coal seams, but also more reasonable and simpler in design, and the manufacturing cost and the maintenance difficulty are reduced.

The forming device comprises a rectangular groove forming roller set, a dovetail groove forming roller set and a shape righting roller set which are sequentially arranged in the advancing direction of a blank plate, and the rectangular groove forming roller set is used for forming a rectangular groove in the blank plate in a rolling mode; the dovetail groove forming roller sets roll the rectangular groove to form a dovetail groove, and the dovetail groove forming roller sets comprise the left dovetail groove forming roller set used for forming the left groove wall of the dovetail groove and the right dovetail groove forming roller set used for forming the right groove wall of the dovetail groove. The left groove wall forming roller set and the right groove wall forming roller set each comprise a first forming roller and a second forming roller, and an included angle alpha is formed between the cross section of each first forming roller and the vertical plane. The forming efficiency of the dovetail groove can be improved, and the forming quality of the dovetail groove is ensured. The invention further provides a lamp pole forming device with the dovetail groove, the forming efficiency of the lamp pole dovetail groove can be improved, and the forming quality of the dovetail groove is ensured.

The utility model belongs to the technical field of optical systems, and particularly relates to an optical system capable of achieving large-angle projection and a car lamp, the optical system capable of achieving large-angle projection comprises a light source, a light collecting part, a reflecting unit and an imaging unit, the imaging unit is arranged in the light emitting direction of the reflection unit, at least one part of the projection contour line of the reflection unit in the vertical plane is a parabola, the focus of the parabola coincides with the focus of the light emitting face of the imaging unit in the vertical plane at a point F, and the projection contour line of the reflection unit in the horizontal plane is a curve or a straight line. According to the utility model, the light collection part is used for collecting the light emitted by the light source and carrying out preliminary shaping, the projection contour line of the reflection unit in the horizontal plane is a straight line or a curve, and a part of large-angle light emitted by the light source is also collected and utilized, so that the large-angle projection is realized, and the effects of improving the lighting effect and realizing more uniform observation by human eyes are achieved.

An off-road vehicle includes an intake duct and an air cleaner. The intake duct defines a clean conduit. The air cleaner is connected to the intake duct, and includes an air cleaner case and an air cleaner element. The air cleaner case defines an internal space of the air cleaner. The air cleaner element divides the internal space into dirty and clean regions. The air cleaner case includes an intake port, an exhaust port, and a cylinder. The intake port faces the dirty region. The exhaust port faces the clean region and communicates with the clean conduit. The cylinder protrudes diagonally upward and toward the internal space. The cylinder has a protrusion end portion that is inclined relative to an imaginary radial plane in an angle direction from the plane toward an imaginary vertical plane. The imaginary radial plane is orthogonal to an axis of the cylinder.

A pore chip package 700 houses a pore chip 110. A main body 710 includes a chip receiving space 720, a first chamber 722, and a second chamber 724. The pore chip 110 is housed in the chip receiving space 720 and held in a vertical plane. The first chamber 722 and the second chamber 724 are adjacent to each other in the horizontal direction and are divided by the pore chip 110.

The utility model discloses a knife rest for a computer cutting machine, which comprises a conveying part connected with the cutting machine and used for conveying a cable, a cutting table top arranged on the conveying part and a cutting part for cutting the cable, and the cutting part is connected with the cutting machine through a support. A cutting blade on the cutting part rotates on the vertical face through a rotating motor, when the cutting blade rotates to the cutting table top, the cable conveyed through the conveying part is cut, and when the cutting blade is away from the cutting table top, the cutting blade is arranged on the outer side of the cutter rest for the cutting machine in a suspended mode, and the cutting blade is convenient to replace. According to the device, the rotary blade is utilized, and when the blade is not used, the blade can be rotated out of the knife rest to change the replacement of the blade; when the cable is cut by the rotary blade, the transmission part on the blade acts on the temporary fixing part on the conveying part, so that the cable is temporarily fixed, the damage probability of the surface of the cable when the cable is cut after the blade is damaged is reduced, and meanwhile, the cutting efficiency is also improved.

A garbage can transport assembly for transporting a garbage can on a vehicle hitch receiver includes a mounting member that is insertable into a hitch receiver of a vehicle. A lift is removably attached to the mounting member and the lift is actuatable in a lifting condition and a lowering condition. A pivoting member is removably attachable to the lift and a stanchion is coupled to and extends upwardly from the pivoting member. A support grill is pivotally coupled to the pivoting member. The support grill is positionable in a first position for supporting a garbage can thereby facilitating the garbage can to be transported with the vehicle. Conversely, the support grill is positionable in a stored position having the support grill lying on a vertical plane.

The invention belongs to the technical field of three-dimensional point cloud processing, and discloses a live-action three-dimensional point cloud AI automatic extraction method and system, and the method comprises the steps: carrying out the scanning through a laser radar, collecting the point cloud data of an external vertical face and a roof of a building, and obtaining an original point cloud; preprocessing the original point cloud to obtain a preprocessed point cloud; based on the preprocessed point cloud, extracting a plane segment set and a vertical plane set; based on the plane section set, extracting a roof edge line, a top surface outer boundary of the parapet wall and a top surface inner boundary of the parapet wall; calculating a roof edge height based on the roof edge line; and based on the roof edge height, the top surface outer boundary and the vertical plane set, determining an outer boundary line of the parapet wall, and obtaining a parapet wall point set after analysis. According to the method, the key technical challenge on parapet wall extraction in building point cloud refined segmentation is overcome, and a solid technical guarantee is provided for high-precision three-dimensional reconstruction and digital management.