131 results about "Head rotation" patented technology

The invention discloses an interaction method and system based on multi-modal data, and relates to the technical field of man-machine interaction. The method comprises the steps that initial interaction data of a user is acquired, preprocessing and feature coding are carried out on the initial interaction data, target interaction data are obtained, and the initial interaction data comprise a hand depth image, a voice signal, a through hole center coordinate and a head rotation matrix; determining a target weight of each piece of target interaction data by using a preset weight strategy, performing conflict resolution on each piece of target interaction data based on the target weight of each piece of target interaction data or the timestamp of each piece of target interaction data, and fusing each piece of target interaction data after conflict resolution to obtain a target interaction instruction; and executing the target interaction instruction, and displaying the virtual scene and the operation target after executing the target interaction instruction. Therefore, the problems that the interaction dimension of the current virtual reality technology is single, the multi-modal signal fusion degree is low, a cooperation mechanism is missing, and misjudgment is easily caused are solved.

The invention relates to the technical field of AR interaction control, in particular to an AR glasses cursor control method and system based on head posture induction, and the method comprises the steps of data acquisition, mapping establishment, displacement accumulation and cursor control. Through the AR glasses equipment body, the natural rotation posture of the head of the user is collected and used as an input instruction, and a reverse mapping normal form is constructed, so that the physical direction of cursor movement is opposite to the physical direction of user head rotation, and a non-intuitive chasing relation between the cursor and a target is avoided; intuitive mapping between natural rotation of the head of the user and cursor control of the AR glasses is achieved, accurate control over the cursor can be achieved without additional auxiliary actions or a controller, and convenience and privacy are high.

The invention relates to a personalized virtual makeup trying system and method based on multi-modal interaction and three-dimensional reconstruction, and the method comprises the steps: collecting a face video stream through a mobile terminal by a camera capture module, and generating multi-modal sensing data through space-time alignment; the three-dimensional reconstruction module fuses the expression change and the head motion trail to construct a dynamic face model; the sensor fusion module analyzes a reference makeup image, a voice instruction and an environment illumination parameter uploaded by a user, and generates a makeup volume measuring scheme through cross-modal semantic fusion; the interface synchronization module simulates the physical interaction effect of skin and cosmetics on the dynamic face model to generate an environment-adaptive virtual makeup trying effect, so that the problems of dynamic distortion, multi-mode intention splitting, poor environment adaptability, insufficient makeup effect physical restoration and the like in the traditional makeup trying technology are solved; makeup fitting, complex intention analysis, illumination change real-time adaptation and real restoration of cosmetic materials during large-angle rotation of the head are achieved, and the device can be widely applied to the fields of beauty makeup retail, medical beauty rehabilitation and the like.

This invention discloses a method for controlling borehole reaming in a rotary drilling rig, a reaming drill bit, and a rotary drilling rig. The rotary drilling rig includes a drill bit axial movement drive device, a power head rotation drive device, and a reaming drill bit. The reaming drill bit includes a reaming assembly and a reaming drive device. The method for controlling borehole reaming in a rotary drilling rig includes: when performing non-spiral reaming on a central hole, controlling the power head rotation drive device to rotate the reaming drill bit around the axis of the central hole; controlling the reaming drive device to change the reaming radius of the reaming assembly; and controlling the drill bit axial movement drive device to move the reaming drill bit axially, ensuring that the axial displacement of the reaming drill bit and the reaming radius of the reaming assembly satisfy a first preset functional relationship. By ensuring that the axial displacement of the reaming drill bit and the reaming radius of the reaming assembly satisfy the first preset functional relationship, the reaming meets preset shape requirements. By changing different first preset functional relationships, various reaming shapes can be achieved.

The utility model provides a testing device and a testing system. The testing device comprises a track structure; the rotating structure comprises a base slidably connected with the track structure and a rotating assembly capable of rotating relative to the base, a supporting rod is fixedly connected to the center of the rotating assembly, and a rotating shaft assembly is rotatably connected to the top end of the supporting rod; the human body model sleeves the periphery of the supporting rod and can rotate relative to the base around a first rotating center along with the rotating assembly; the head model is fixedly connected with the rotating shaft assembly and can rotate relative to the supporting rod around the second rotating center along with the rotating shaft assembly; an image acquisition and recognition part is arranged on the rotating shaft assembly to recognize an image in front of the human body model and judge a test result. The testing device and the testing system can effectively and accurately complete testing distance changing, head turning and nodding actions so as to meet the testing requirements, are higher in accuracy, can automatically judge the testing result, greatly improve the testing efficiency and liberate manpower.

The utility model discloses a novel brushless lightweight electric wheelchair, including the electric guide rail of fixed in wheelchair backrest frame back side and downward, and the sliding end of electric guide rail is installed with the mounting seat through spring seat, and the mounting seat is equipped with the massage head for massaging the back of people through the fixing frame, and be equipped with the drive motor of drive massage head rotation on the mounting seat, and the both ends of electric guide rail are equipped with the position sensor of detecting the position of massage head respectively, still be equipped with controller on the wheelchair, position sensor, electric guide rail and drive motor all are electric connection with controller, the utility model discloses massage mechanism can move up and down, like this can to the whole back memory massage, this has played the effect of promoting blood circulation, avoids the body to be not comfortable because of long sitting, wherein the setting of spring seat guarantees the elastic contact between massage head and the back of human body, avoids knocking the back of human body.

The invention provides a laryngocarcinoma patient rehabilitation nursing device. The laryngocarcinoma patient rehabilitation nursing device comprises a base, a bearing plate and a resistance adjusting mechanism. When the head of a patient rotates to drive the bearing plate to rotate, the mounting blocks can be matched with the baffles to extrude the pressure springs to apply resistance to rotation exercise of the head of the patient, and when the resistance of rotation exercise of the head needs to be adjusted, the first driving assembly is adjusted to drive the two baffles to slide to increase the number of shielding limiting grooves, namely the number of the baffles abutting against the pressure springs can be increased; at the moment, the head drives the bearing plate to rotate to increase the number of extruded compressed springs, and then the resistance of the head during rotating exercise is increased; the first driving assembly is adjusted to drive two groups of baffles to slide reversely to reduce the number of shielded limiting grooves, so that the number of the compressed springs propped by the baffles can be reduced; at the moment, the head drives the bearing plate to rotate, so that the number of extrusion pressure springs can be reduced, the resistance during head rotation exercise is reduced, the resistance during head rotation exercise can be conveniently adjusted according to the requirements of patients, different patients can conveniently use the device, and the practicability of the device is improved.

The invention discloses a vehicle blind area recognition method and device, electronic equipment and a storage medium, and the method comprises the steps: obtaining a pre-generated static blind area model based on vehicle body parameters of a vehicle, monitoring the attitude angle data of the vehicle under a driving condition, and the head rotation angle and the sight line direction of a driver, adjusting the static blind area model according to a rotation transformation matrix corresponding to the attitude angle data, generating a dynamic blind area model of the vehicle, detecting an obstacle target in the dynamic blind area model, determining the collision risk level of the obstacle target and the vehicle, and determining the collision risk level of the vehicle according to the head rotation angle, the sight line direction and the obstacle target. And determining the attention recognition condition of the driver to the obstacle target, synchronously displaying the obstacle target, the collision risk level and the attention recognition condition to the dynamic blind area model to obtain a dynamic blind area map of the vehicle, and controlling the vehicle to perform blind area early warning. According to the method, the high-risk target appearing in the blind area can be timely and effectively recognized through the dynamic blind area map, and the vehicle driving safety is improved.

The utility model discloses a coil polishing device, including frame, set up driving assembly and two polishing head on the frame, two polishing head inclination setting, form the polishing gap between two polishing heads, driving assembly is used for driving two polishing head rotation. The utility model realizes the mechanization of coil polishing, and the polishing efficiency is low high, the consistency is good, and the polishing gap can be adjusted, and it is not easy to damage the wire base body and lead to broken line or recessive injury.

Some examples of the disclosure relate to a method performed on an electronic device configured to track a first vector indicating an orientation of the electronic device. In some examples, the electronic device tracks a second vector indicating a predicted motion path of the electronic device. In some examples, the device detects a difference between the first and second vectors. In some examples, and according to a finding that one or more first criteria are satisfied, the electronic device determines the difference as a head rotation input and performs an action according to the head rotation input.

Provided is a technique capable of processing a substrate in a short time. A processing apparatus (1) includes: a stage (10) configured to hold a substrate (Wf) such that a surface to be processed of the substrate faces upward; a stage rotation device (20) configured to rotate the stage; a plurality of heads (30a, 40a) on which processing pads (Pd1, Pd2) having an area smaller than the area of the surface to be processed of the substrate are respectively mounted; a plurality of heads; a plurality of head rotating devices (50a, 55a); a plurality of pressing devices (60a, 65a) each having an electromagnetic actuator configured so as to apply a pressing force to each of the plurality of heads by means of an electromagnetic force; and a plurality of swing devices (70a, 80a).

The utility model discloses a grader cab ladder stand anti-collision device, which relates to the technical field of graders, and comprises a grader front rack and a ladder stand, the bottom of the grader front rack is rotatably provided with a traction frame through a ball head, the bottom of the traction frame is fixedly provided with a rotary ring, one side of the bottom of the rotary ring is fixedly provided with a scraper knife, and the other side of the rotary ring is fixedly provided with a handle. A flow motor is arranged between the bottom of the land leveler front rack and the traction frame, and the device is characterized by further comprising a front wide-angle camera fixedly installed at the front lower position of the land leveler front rack and distance sensors arranged on the two sides of the end, close to the land leveler front rack, of the crawling ladder. The distance between the scraper knife and the crawling ladder can be detected through the distance sensor, the distance state can be conveniently transmitted to the displayer through the front wide-angle camera, then the flow motor can conveniently drive the rotating ring and the scraper knife to rotate, and the scraper knife can be prevented from hurting workers.

The application provides a door opening method of a double-door structure cutter head, and belongs to the technical field of tunneling methods. The door opening method comprises the following steps: firstly, rotating the first movable door to the lower part through cutter head rotation, connecting a hoisting device between the fixed disc body and the first movable door, controlling the first movable door to be opened through the release of the flexible hoisting member, and installing a locking member between the first movable door and the fixed disc body after the first movable door is opened; then, rotating the second movable door to the lower part through cutter head rotation, dismounting the hoisting device and installing it between the first movable door and the second movable door, and opening the second movable door through the recovery of the flexible hoisting member. The hoisting device is used to replace the oil cylinder configured separately in the prior art, only one set of hoisting device is arranged, the first movable door is locked after being opened, the hoisting device can be dismounted to hoist the second movable door, the hoisting device is used to the full, the opening angle requirement of the movable door can be met, enough pulling force can be borne, the method is safe and reliable, and the configuration cost is low.

In a sewing machine in which a head rotates, reduction in sewing efficiency is suppressed. The sewing machine has: a holding member that can hold a sewing object so as to move in a prescribed plane; a needle bar that holds a sewing needle to which upper thread is supplied; a head that can rotate about a rotation axis orthogonal to the prescribed plane in a state in which the needle bar is supported; a bobbin that rotates about the rotation axis in synchronization with the head, cooperates with the sewing needle by supplying lower thread, and forms a stitch on the sewing object; a movement control section that controls movement of the holding member based on sewing data; and a rotation control section that controls a rotation angle of the head and the bobbin based on a change amount of a movement direction of the holding member specified by the sewing data. The rotation control section controls in a manner in which the rotation angle coincides with the change amount when the stitch is formed on a first range of the sewing object, and controls in a manner in which the rotation angle becomes smaller than the change amount when the stitch is formed on a second range of the sewing object.

The utility model discloses a kind of complex flow passage integration 3D printing forming platform of marine propeller, it is related to 3D printing field, and it includes: base;First pivot, the first pivot rotation is connected in base top end;Fixed disc, the fixed disc is sleeved in the outside of first pivot, drive mechanism is provided on the fixed disc, drive mechanism is provided on top disc, and the drive mechanism is used to drive top disc to be inclined;The outer edge of top disc top end is provided with protection ring, after second motor is started, can be matched by the cooperation of first bevel gear and second bevel gear, angle inclination of top disc is driven, by the cooperation of worm and worm wheel, top disc can reach any angle, printing operation is facilitated from different angle, when 3D printing head is located above top disc, can be matched 3D printing head rotation or only rely on the rotation cooperation of top disc, can make the complex flow passage of marine propeller more easily be printed out, avoid flow passage angle complex, more widely applicable.

The utility model provides a bead stringing machine which comprises a base, an outer shell installed on the upper surface of the base, a detachable top shell on the upper surface of the outer shell, a disc rotatably installed on the outer surface of the outer shell, a handle installed on the edge of the face, away from the outer shell, of the disc, and a third bevel gear installed on the face, away from the handle, of the disc through a connecting shaft. A vertical shaft is arranged in a space formed by the first inner shell and the second inner shell, a driving plate is installed at the lower end of the vertical shaft and slidably installed in a limiting groove used for storing beads, the upper end of the vertical shaft extends into the top shell, a doll head is installed at the upper end of the vertical shaft, and the lower end of the vertical shaft is sleeved with a second bevel gear fixedly connected with the vertical shaft. The third bevel gear is meshed with a second bevel gear, the second bevel gear is meshed with a first bevel gear, the first bevel gear is connected with the knotter through a connecting shaft, and the doll head has the advantages that due to the linkage design, when the handle rotates, the doll head is driven to rotate.

Aspects of the present disclosure include a method comprising receiving a video stream of a user during an online session, initiating a calibration by providing for presentation on a display a calibration element positioned at a first position on the display, detecting a gaze direction and / or head rotation of the user based on the video stream, determining a mapping between the first position and the gaze direction and / or head rotation, initiating a verification check during the session by providing for presentation on the display a visual stimulus element randomly positioned at a second position on the display, determining a change in the gaze direction and / or head rotation during the verification check, and verifying whether the user is in front of the display by determining whether the user reacted to the visual stimulus element based on the mapping, the change, and the second position. The verification check occurs after the calibration.

The utility model belongs to the technical field of automatic driving, and particularly relates to an automatic driving robot which is composed of a fixing support and a head structure, the head structure is movably connected with the fixing support, the fixing support is fixed on a seat of a cockpit, and a scene collecting mechanism and a view range moving mechanism are arranged in the head structure. The scene acquisition mechanism comprises a simulation left eye and a simulation right eye, and the visual field range moving mechanism comprises a head rotating structure and an eyeball rotating structure. According to the utility model, the infrared emitter and the dynamic camera in the simulation eye are used for collecting scenes in the driving process of an automobile, the rotation of eyeballs is realized through the reciprocating structure connected with the simulation eye, the sight range of the simulation eye is increased, and the visual field activity range mechanism is also arranged in the simulation eye, so that the visual field of the automobile can be simulated. And the view collection range is increased through the view activity range mechanism.

The utility model discloses a drilling and tapping tool magazine structure, which relates to the technical field of numerical control machine tool corollary equipment, and adopts the technical scheme that the drilling and tapping tool magazine structure comprises a mounting seat, a cutterhead arranged on the mounting seat and a driving component arranged between the mounting seat and the cutterhead and used for driving the cutterhead to rotate, the cutter head comprises a connecting disc and extension arms which are detachably connected with the connecting disc and extend in the radial direction, the multiple extension arms are arranged in an annular array mode in the circumferential direction of the connecting disc, a cutter mounting clamp is arranged at the end, away from the connecting disc, of each extension arm, and when the cutter mounting clamps rotate to a cutter changing position along with the connecting disc, the cutter mounting clamps are clamped in the cutter changing position. And the central axis of the clamping opening of the cutter mounting fixture is coaxial with the main shaft of the drilling and tapping machine. The utility model has the advantages of reduced volume and weight, reduced manufacturing cost, simplified operation process, reduced working efficiency and maintenance cost, small space occupancy rate and compact structure.

The utility model relates to house detection tool technical field provides a kind of house building detection ruler, comprising: ruler body, rotating head, limit board, extension bar and angle plate, the rotating head rotation is set in ruler body, the limit board sliding is set in ruler body, limit board is cooperatively arranged with rotating head, the extension bar is cooperatively arranged in ruler body, the angle plate rotation is set in ruler body, the utility model structure is simple, convenient to use, rotating head is limited by limit board, so that rotating head can carry out levelness detection to the plane of higher position such as ceiling, by the cooperation of angle plate and ruler body, the external angle in the inside of house can be detected, efficiency is improved, convenient and fast.

The utility model provides a kind of glass bottle polishing device, it is related to glass bottle mouth polishing technical field, including mounting bracket, the mounting bracket upper movable installation has the vertical lifting of lifting frame, the lifting frame bottom surface rotationally connected with carousel, rectangle strip drives the second bevel gear ring on connecting seat self-rotation when self-rotation, further realize and meshing connection second bevel gear drive first polishing head rotation, utilize first polishing head to polish glass bottle mouth inside, third bevel gear ring rotation is driven by second bevel gear rotation, further realize meshing connection third bevel gear drive second polishing head rotation, so by adjusting the position of first polishing head and second polishing head is convenient to respectively realize the polishing of glass bottle mouth inside and outside, and using connecting seat movement is convenient to realize the adjustment of the distance between first polishing head and second polishing head and the center of carousel, it is convenient to be applicable to different sizes of glass bottle mouth.

The utility model relates to a pair of intelligent glasses capable of quickly replacing glasses legs. The glasses leg heads are rotationally connected with the end pieces, the glasses leg heads are hollow, one ends of the glasses leg heads are open, and base bodies are arranged in the open ends of the glasses leg heads; a convex column is arranged at the end part of the glasses leg support body in a protruding manner, an elastic body is arranged on the convex column, the convex column can be inserted into the open end of the glasses leg support body, and the elastic body is clamped or propped against the base body; or the convex columns are pulled out from the open ends of the glasses leg heads, so that the elastic bodies are compressed and are separated from the base body. According to the intelligent glasses capable of rapidly replacing the glasses legs, the glasses legs can be rapidly and conveniently replaced through elastic insertion and extraction, so that the personalized requirements of different users on comfort, appearance styles or function expansion are met.

This invention provides an adaptive streaming media rearview mirror control method and system. First, it detects the driver's head rotation angle in real time. Second, it sets an angle threshold and intelligently selects a field-of-view adjustment path based on the comparison result of || and . When the head rotation angle is large, a digital image cropping path is used. By calculating the image cropping offset and adjusting the cropping window position, the field of view is quickly expanded. When the head rotation angle is small, a physical gimbal following path is used. By calculating the gimbal target rotation angle and driving the camera to rotate, the true field of view is captured with lossless image quality. This achieves real-time tracking of the driver's head rotation by the rearview mirror, eliminating blind spots caused by line-of-view deviation. Simultaneously, it avoids information redundancy caused by a fixed large field-of-view image, reduces the driver's cognitive load, and significantly improves the convenience and safety of driving observation.

The application discloses a robot, a neck structure of the robot and a motion control method of the robot. The neck structure of the robot is connected between a head and a body of the robot, and comprises a base for connecting the body of the robot, a top base for connecting the head of the robot, a connecting rod unit rotatably connected between the base and the top base, a driving unit for outputting driving force, and a transmission mechanism arranged between the base and the top base. The transmission mechanism transmits the driving force of the driving unit to the base and / or the top base to drive the head to rotate, pitch and extend outward. The driving unit and the transmission mechanism are one-to-one arranged in three sets. Each transmission mechanism comprises a first transmission unit and a second transmission unit. The first transmission unit transmits the driving force of the driving unit to the second transmission unit to make the second transmission unit extend and retract. The driving unit is located outside the second transmission unit. The neck structure of the robot can drive the head of the robot to rotate, pitch and extend outward, so that the bionics degree of the robot is improved.

The support pillow set includes a portable support pillow designed to provide optimal head and adjacent neck support for the user in upright, reclined, and supine seated positions. The pillow is optionally configured with an opening to securely support the occiput. The pillow can be configured with a taller or shorter profile. The pillow tapers to maintain the user's neck and head in proper alignment. The support pillow set is constructed from a single piece of foam that is firm and contoured to prevent head rotation and neck twisting. The support pillow is optionally configured with outer support panels to provide added utility, compressibility, stability, and comfort. The support pillow set also includes an optional adjustable strap that can be used to provide additional head support.It can be folded into a portable pillow comprising protective outer supports, a fabric or similar soft bag, or a protective cover.

The invention relates to a machine for repairing motorcycle rims, comprising a frame (1), straightening means constituted by actuators (10, 12, 13) for straightening deformations of rims displaceable through the frame, a vertical support bar (8) adjustable in configuration with respect to the frame structure to support the rims, said machine further comprising a head seat (3) couplable to an intermediate bottom plate (1C) of the frame, a head (2) rotatably connected to the head seat, configured to rotate freely or actuated by transmission means, locking means (4) adjacent to the head configured to lock the rotation of the head, fastening means couplable to the head configured to fasten a rim passing through and / or resting on the rim hub in combination with the vertical support bar, and machining means movably mounted in the frame configured to machine the rim.

A lifting head rotation precision measuring system disclosed by the present invention comprises a power assembly, a rotation assembly, a measuring assembly and a judgment assembly, the power assembly is used for driving the rotation assembly to rotate, the measuring assembly comprises a detection device and a crystal transcoding disc, the crystal transcoding disc is fixedly installed on the rotation assembly, and the crystal transcoding disc rotates along with the rotation assembly. A plurality of code disc hollow parts are uniformly arranged on the periphery of the crystal transcoding disc, and the detection device is used for identifying the code disc hollow parts when the crystal transcoding disc rotates, outputting a first signal when the code disc hollow parts are identified, and outputting a second signal when the code disc hollow parts are not identified. The judgment assembly is used for calculating the rotation error of the rotation assembly according to the difference between the number of the received first signals and the second signals and the theoretical number, and the rotation precision of the rotation assembly is obtained. The code disc hollow part is arranged on the crystal transcoding code disc, the control precision of the upper driving crystal transcoding can be accurately measured according to the comparison between the identification result of the code disc hollow part and the theoretical condition, the cost is low, and the operation is convenient.

The utility model relates to the technical field of fruit knives, in particular to a multifunctional folding fruit knife. According to the technical scheme, the multifunctional folding fruit knife comprises a connecting handle, a carving knife head and a core removing part, the carving knife head is rotationally arranged at the front end of the connecting handle and can be folded towards the interior of the connecting handle through rotation, and the core removing part is an annular hard sheet and is rotationally connected with the middle of the connecting handle through a rotating part. The fruit core removing device has the advantages that the core removing part is arranged to be the annular sheet, the core removing part and the carving tool bit can be rotationally arranged on the connecting handle at the same time in a nested mode, the part needing to be used can be selected in a rotating and folding mode according to needs, and meanwhile other fruit processing parts can be arranged at the rear end of the connecting handle; according to the multifunctional fruit knife, multiple functions of the same fruit knife are achieved, the knives can be conveniently and rapidly switched during finish machining of fruits, and the problems that due to the fact that multiple knives with different functions are prepared at the same time, the knives are prone to being lost, and knife management is not facilitated are solved.

A hand-held pistol-shaped multi-angle bending surgical instrument includes a clamp head mechanism, a clamp head rotation control mechanism, a clamp head bending control mechanism, a clamp head opening and closing control mechanism, a self-locking mechanism and a pistol-shaped handle; the clamp head mechanism is connected to the clamp head rotation control mechanism, the clamp head bending control mechanism and the clamp head opening and closing control mechanism respectively, the clamp head rotation control mechanism is connected to the clamp head bending control mechanism, the clamp head bending control mechanism is connected to the clamp head opening and closing control mechanism, the clamp head opening and closing control mechanism is connected to the self-locking mechanism; the clamp head bending control mechanism, the clamp head opening and closing control mechanism and the self-locking mechanism are all connected to the pistol-shaped handle. The working end of the surgical instrument is multi-angle bendable.

The utility model discloses an edge cutting device for non-woven fabric processing, relates to the technical field of non-woven fabric processing equipment, and aims to solve the technical problem that a cutting edge of a cutter head is inconvenient to polish in the conventional non-woven fabric splitting machine. The grinding structure is arranged on the cutter head frame of the non-woven fabric splitting machine, and the triangular grinding plate in the grinding structure is located above the cutter head, so that when the non-woven fabric splitting machine cuts edges of non-woven fabric which is loose in texture and long and thin in fiber, a worker can directly control the driving structure to drive the two sets of lifting frames to descend, and the non-woven fabric splitting machine cuts the edges of the non-woven fabric which is loose in texture and long and thin in fiber. According to the device, the lifting frame is arranged, the triangular grinding plate on the lifting frame makes contact with the cutting edge of the cutterhead, in the cutterhead rotating process, the triangular grinding plate can directly grind the cutting edge of the cutterhead, and therefore it can be guaranteed that the cutting edge of the cutterhead is sharp, the cutterhead does not need to be disassembled for manual grinding, and the use performance of the device is greatly improved.