197 results about "Arm position" patented technology

The invention discloses a mechanical arm positioning and grabbing method based on machine vision, and relates to the technical field of machine vision and mechanical arm control, the method comprises the following steps: synchronously acquiring RGB-D images of a target scene through a multi-view camera array, and generating three-dimensional point cloud data through data fusion; an improved LSD algorithm and a PnP algorithm are adopted to calculate the initial pose of the target object, illumination distortion is eliminated in combination with the generative adversarial network, and three-dimensional coordinates are output; a mechanical arm motion error transfer model is constructed based on Monte Carlo simulation, and a candidate grabbing scheme set is generated through reinforcement learning; and an optimal grabbing scheme is screened through a preset priority evaluation rule, and a mechanical arm joint movement track and a control instruction set are generated. Through multi-modal data fusion and a nonlinear optimization algorithm, the technical problems of large target positioning deviation and sensitive illumination interference in a complex environment are solved, and the grabbing precision and robustness of the mechanical arm are improved.

The various implementations described herein include methods and systems for tracking user movements. In one aspect, a method includes, while a user is interacting with a virtual object, obtaining tracking information by tracking, via a sensor, a position of an arm of a user. The method also includes, in conjunction with tracking the position of the arm, obtaining wrist information by detecting, via a neuromuscular-signal sensor, a movement of a wrist of the arm. The method further includes assigning one or more motion characteristics to the virtual object in accordance with the tracking information and the wrist information.

The utility model relates to a motor stator electrical performance detection mechanism and equipment, which belongs to the technical field of motor stator electrical performance detection, and comprises a bottom plate, a plurality of clamping jaws arranged on the bottom plate, a top plate, an air cylinder arranged on the top plate, and a lifting plate connected with the output end of the air cylinder, the inclined blocks are fixed on the lifting plate; the clamping jaw comprises a fixed seat, a test probe arranged on the fixed seat, a jaw body and an elastic structure, the middle part of the jaw body is rotationally connected with the fixed seat through a pin shaft, and the jaw body comprises an inclined arm positioned at the upper part of the jaw body and a bent hook positioned at the lower part of the jaw body. A device comprises a fixing frame, a lifting mechanism, a carrying mechanism and a motor stator electrical performance detection mechanism. According to the scheme, the number of used air cylinders is small, cost is low, the space occupancy rate is low, and clamping force is stable.

A latch assembly may include a support, a handle for rotatably coupling to one of the support and the housing via a first axis and rotatable between unlatched and latched positions relative to the support, and a catch arm rotatably coupled to the handle via a second axis and arranged such that as the handle is rotated from the unlatched to an intermediate position between the unlatched and latched positions, the catch arm is translated in an arc from a first position in which it is disengaged from a post to a second position in which a retention feature of the catch arm positions itself under and proximate to a ledge of the post, and as the handle is rotated from the intermediate to the latched position, the catch arm and the retention feature move in a linear direction from the second to a third position.

The invention discloses a compensation method for a platform shake error during installation of a transformer substation wallboard, and relates to the field of wallboard installation. The technical problem that the installation position of a wallboard and a buckle deviates due to shaking of a platform during aerial work of a crane is solved. The method comprises the following steps: establishing a base coordinate system; installation data under one-time standard installation is obtained, so that the standard mechanical arm pose during wallboard installation is obtained; the three-dimensional coordinates of the buckle at the actual wallboard installation moment are obtained in real time, and the pose of the compensation mechanical arm is calculated through a homogeneous transformation matrix; and the compensation mechanical arm pose is converted into a mechanical arm control instruction, and the mechanical arm is driven to complete dynamic error compensation installation. According to the technical scheme, errors caused by shaking of the platform are effectively made up, the installation precision is improved, the position of the buckle is recognized in real time through the binocular camera, the position and posture of the mechanical arm at the current moment are calculated in combination with the coordinate transformation matrix, and therefore the movement track of the mechanical arm is dynamically adjusted, and offset errors caused by shaking of the platform in the air are made up.

A glute hamstring developer exercise machine includes a vertical post extending from a lower end to an upper end; a user body support system coupled to the vertical post, the user body support system having one or more pads to support the user in a plurality of positions; and a primary frame supporting the one or more pads and extending substantially from the vertical post; at least one weight arm positioned substantially underneath the one or more pads, the at least one weight arm is to be operated by the user to perform one or more exercises.

A method for collaborative heave compensation control of a dual ship-mounted hoisting arm system including two vertical hoisting arms and two horizontal hoisting arms is provided, in which a dynamic model of the hoisting arm system is constructed based on hoisting arm position and velocity and an attitude angle of a load of the hoisting arm system; and based on the dynamic model, an optimal control strategy is obtained according to a control objective and an optimization objective under multiple constraint conditions to control the hoisting arm action, where the control objective is to track a hoisting arm reference compensation trajectory during the heave motion, the optimization objective is to minimize a tracking error, and the constraint conditions include a hoisting arm action constraint, and a position and velocity constraint of each hoisting arm after action. A system for implementing such method is also provided.

The present application is applicable to the field of robotics technology, and provides a position correction method, device, system and computer program product, which are applied to a robotic arm, wherein a laser sensor component is provided at the end of the robotic arm, and the method comprises: collecting first position information of a shelf after deformation according to the laser sensor component, obtaining second position information of the shelf before deformation, determining the deformation amount of the shelf according to the first position information and the second position information, and using the deformation amount to correct the position of the robotic arm. The present application can solve the problem of inaccurate position correction of the robotic arm.

The arm supporting frame comprises a supporting block of a square structure, a mounting base used for being connected with a sickbed is mounted below the supporting block, a containing groove of an arc-shaped structure is formed in the upper surface of the supporting block, and two limiting frames are rotationally mounted on the upper surface of the supporting block through hinges; an extrusion air bag is fixedly mounted on the inner surface of the upper end of the limiting frame, an arm of a patient is extruded and fixed through expansion of the extrusion air bag, and the extrusion air bag is communicated with a connecting hose with a one-way air blowing air bag. According to the arm supporting frame for hemodialysis, the novel structural design is adopted, a ventilation mechanism is arranged, an air blower is started in the using process of the arm supporting frame, external air is conveyed into a supporting block through the air blower, and therefore air flow is formed, and the flowing air is conveyed to the arm position of a patient through air holes; therefore, discomfort of the skin of a patient caused by stuffiness in the long-time use process is avoided.

A rotary slips lift system for oilfield tubulars includes a movable base adapted to move between a first position and a second position where the first position is closer to a bowl in a drilling rig floor than the second position. The system further includes a lifting arm having a first end and a second end where the second end is pivotally coupled to the movable base and where the lifting arm has a first arm position and a second arm position. The system further includes a rotary slips where the rotary slips is removably coupled to the first end of the lifting arm and where the rotary slips is adapted to be in a first slips position when the lifting arm is in the first arm position and the movable base is in the first position.

Embodiments of the invention relate to an applicator for inserting an implant under the skin of a patient. The applicator comprises a housing containing a cannula that is fixed to a cannula holder and is slidably received within said housing. The cannula comprises an aperture at its distal end and a lateral opening. The implant is accommodated within the cannula and / or the cannula holder. A securing mechanism retains the implant inside the cannula. This mechanism comprises an arm configurable between a first position, which prevents the implant from exiting through the cannula's aperture, and a second position that enables the implant's placement under the skin through the aperture. Said lateral opening is situated between the aperture and the distal end of the implant. In the first arm position, the arm partially enters the lateral opening, thereby obstructing the implant from exiting through the aperture.

The precise meal delivery robot based on the laser radar comprises a mounting table, connecting plates are fixedly mounted on the two sides of the mounting table, a driving wheel is rotationally mounted at one end of each connecting plate, a motor is fixedly mounted at the other end of each connecting plate, and an output shaft of each motor penetrates through the corresponding connecting plate to be fixedly mounted at one end of the corresponding driving wheel; a stabilizing frame is fixedly mounted on the upper surface of the mounting table, a linear module is fixedly mounted on the upper surface of the stabilizing frame, connecting arms are fixedly mounted on the two sides of a movable block of the linear module, and bearing mechanisms are slidably mounted on the outer surfaces of the connecting arms. Through the design of the linear module, the three-dimensional camera and the bearing mechanism, the food delivery tray can be moved to the corresponding accurate height position according to the arm position of a guest, the guest has better experience in the food taking process, the hanging type food delivery tray has the function of being conveniently taken down, and the service life of the food delivery tray is prolonged. And a convenient food taking function of the guest can be increased.

The present invention discloses an auxiliary positioning device for shoulder joint image scanning, comprising a hand rest seat, an inflatable cushion, a gripping piece and an elastic squeezing ball, wherein the hand rest seat has a bracket suitable for accommodating an upper limb; the inflatable cushion is arranged in the bracket to support the patient's upper limb and adjust the height position of the upper limb; the gripping piece is arranged at one end of the hand rest seat, and the height position of the gripping piece in the up and down directions is adjustable, so that the patient's palm can be held in an externally rotated position; the elastic squeezing ball is connected to the inflatable cushion through an air tube, so as to inflate and deflate the inflatable cushion. The auxiliary positioning device for shoulder joint image scanning according to the present invention effectively solves the problem that it is difficult for patients to accurately place and maintain the arm position during shoulder joint examination through the hand rest seat, the inflatable cushion, the gripping piece and the elastic squeezing ball, and can improve the quality of scanned images.

The application relates to a mechanical arm positioning and grabbing method and device, computer equipment and a storage medium. The method uses registration technology to obtain a successful registration of the actual object grabbing position, calculates the space conversion relationship between the teaching object and the actual object, effectively uses the information of the registered object, compensates for the poor imaging of the part through an optimization algorithm, and infers the grabbing position of the remaining object which fails to be registered, thereby solving the problem of registration failure caused by poor imaging of the high-reflectivity part. The method significantly improves the success rate of grabbing and the reliability of the system, ensures accurate grabbing of the part in a high-reflectivity environment, and improves the stability and efficiency of the overall system.

The invention discloses a limb trauma rehabilitation training device with adjustable training intensity, and relates to the technical field of medical rehabilitation training equipment. The device comprises two cross rods and supporting arms installed on the two cross rods in a matched mode. A U-shaped frame is arranged at the end of the supporting arm, and a fixed pulley is arranged on the U-shaped frame in a matched mode. One end of the traction rope is connected with an operation end, the other end of the traction rope is connected with a vertical rod, and at least one counterweight disc is fixed to the outer side of the vertical rod through a pin rod; a supporting ring arranged on the cross rod in a sleeving mode is arranged in the middle of the supporting arm, and the upper thread of the supporting ring is connected with a locking bolt A with the end abutting against the cross rod. And the operation end is a hand ring or a pedal plate connected to the end part of the traction rope. A hand ring or a pedal plate is installed at the other end of the traction rope connected with the vertical rod in a matched mode, at least one balance weight disc is fixed to the outer side of the vertical rod through a pin rod, then the arms or the legs of a patient can be exercised in the using process, and the application range of the device is widened.

A corrective device for relieving pain in the neck, shoulder, and upper back regions of the human body. More particularly, the corrective device comprises two arm support foam pads, a neck support pad, and a tummy support pad, each of the four support pads having adjustable straps to accommodate different body sizes and varying arm positions. In operation, the user lies face down between the arm support pads, positions their arms on the support pads with elbows on the pads, places their chin on the neck support pad, and positions the tummy support pad under their navel. The adjustable straps allow for customization to the user's body dimensions. The device may provide relief from neck, shoulder and upper back pain, and may correct conditions such as Kyphosis Hump and Rounded Shoulders.

The utility model discloses an arm positioning device of a bone mineral density detector, which belongs to the technical field of medical devices and comprises a detection bin, a supporting mechanism is arranged in the detection bin, a groove is arranged on the upper end face of the supporting mechanism, and an arm can be placed in the groove. A positioning bulge is also arranged in the groove; the supporting mechanism is in sliding connection with the detection bin, so that the supporting mechanism can be moved out of the detection bin. According to the arm positioning device of the bone mineral density detector, the positioning device can quickly position the position of the arm, so that the detection efficiency and the experience feeling of a detected person are improved.

A passive end effector of a surgical system includes a base, a first mechanism, and a second mechanism. The base attaches to an end effector coupler of a robot arm positioned by a surgical robot. The first mechanism extends between a rotatable connection to the base and a rotatable connection to a tool attachment mechanism. The second mechanism extends between a rotatable connection to the base and a rotatable connection to the tool attachment mechanism. The first and second mechanisms pivot about the rotatable connections to constrain movement of the tool attachment mechanism to a range of movement within a working plane. The tool attachment mechanism is configured to connect to a surgical saw including a saw blade for cutting.

A method of operating a work vehicle 10 comprising a swing apparatus 11 comprising an arm arrangement 14. An arm position sensor generates data used by a control system to determine a maximum allowabl

The utility model discloses a building engineering service robot terminal, and relates to the technical field of robot terminals. The remote controller comprises a remote controller body, the bottom of the remote controller body is fixedly connected with an installation ring, the installation ring is connected with a supporting mechanism in a clamped mode, the supporting mechanism comprises a chuck, the bottom of the chuck is rotationally connected with a rotating rod, one end of the rotating rod is rotationally connected with a lower arm support, and the other end of the rotating rod is connected with a lower arm. According to the remote controller, the remote controller body, the mounting ring and the supporting mechanism are arranged, the supporting mechanism can be stably connected to the remote controller body through the mounting ring, and the supporting mechanism comprises the chuck, the rotating rod, the lower arm support, the elastic band, the fixing block, the upper arm support and other components; the whole device can be flexibly adjusted according to the arm position and the comfort degree of a user, so that the fatigue feeling of the arms and shoulders is relieved, and the supporting mechanism solves the technical problem that during holding, much strength needs to be consumed to balance torque, and use is strenuous.

The present application relates to a surgical system. The passive end effector of the surgical system includes a base, a first mechanism, and a second mechanism. The base is attached to an end effector connector of a robotic arm positioned by a surgical robot. The first mechanism extends between a rotatable connection to the base and a rotatable connection to a tool attachment mechanism. The second mechanism extends between a rotatable connection to the base and a rotatable connection to the tool attachment mechanism. The first mechanism and the second mechanism pivot about the rotatable connection to limit the movement of the tool attachment mechanism to a range of movement within a working plane. The tool attachment mechanism is configured to be connected to a surgical saw, which includes a saw blade for cutting.

The invention discloses a myeloma patient blood sample sampling auxiliary device based on LDH induced chemotherapy. The myeloma patient blood sample sampling auxiliary device comprises a base; the two ends of the top of the base are each provided with a pressing and holding mechanism used for fixing an arm, and one end of the top of the base is provided with a pulse pressing mechanism used for puncturing the arm. Through the arrangement of the pressing mechanism, the stability of sampling a blood sample of a myeloma patient is improved, the situation that a needle head cannot pierce a designated position can be avoided, and the situations that the needle head falls off and pierces slightly in the sampling process are prevented; the pressing and holding mechanism is matched with the pulse pressing mechanism, so that the large arm position and the small arm position in the arm can be pressed down and positioned at the same time, and medical staff can directly carry out sampling operation after disinfecting the sampling position of the arm and cannot freely do actions after the arm of a patient is fixed; at the moment, the pipeline with the needle head is directly punctured into the arm for blood sample sampling operation.

A retention system includes a pipe rack rotatable between a first pipe rack position and a second pipe rack position, a retention arm assembly coupled with the pipe rack, and a pipe positioner system. The retention arm assembly is rotatable relative to the pipe rack between a first arm position and a second arm position. When the pipe rack is in the first pipe rack position and the retention arm assembly is in the first arm position, the retention arm assembly is disengaged from a deck bushing of a drilling machine. When the pipe rack is in the second pipe rack position and the retention arm assembly is in the second arm position, the retention arm assembly is engaged to retain the deck bushing in a raised state. The pipe positioner system contacts the drill string to guide and center a movement of the drill string along a vertical axis.

A method for restraint of a subject in a. supine position is described. The method comprises pulling a first arm of the subject over a shoulder of a second arm of the subject to achieve a crossover arms position. The method further comprises rolling the subject from the supine position to a. lateral position while preserving the cross-over arms position. The method further comprises pulling a first leg of the subject over a second leg of the subject to achieve a cross-over legs position. The method further comprises preserving the cross-over legs position of the subject by securely restraining at least the first leg of the subject. The cross-over arms position and the crossover legs position are preserved simultaneously for restraint of the subject. Further, methods for restraint of a subject in a prone position and seated position are also provided.

An ultrasonic surgical instrument and method for identifying tissue state and energizing the surgical instrument includes an end effector having an ultrasonic blade and an RF electrode, a shaft assembly, a body, and a power controller. A first ultrasonic energy input is configured to be actuated from a first unactuated energy input state to a first actuated energy input state. A trigger input is configured to be actuated from an unactuated trigger input state to an actuated trigger input state. The power controller is operatively connected to the ultrasonic blade, the RF electrode, the first ultrasonic energy input, and the trigger input and configured to direct at least one of the ultrasonic blade or the RF electrode to be selectively driven according to a predetermined drive function based on the tissue impedance, the state of the first energy input, and the state of the trigger input.

This product is an industrial robot in which the left-right orientation of the arm position can be changed by setting the origin position of the joint. As shown in "Perspective View 1" and "Perspective View 2" with the arm position changed, the left-right orientation can be changed.

The invention relates to the field of first-aid devices, in particular to a field first-aid device and a using method thereof.The field first-aid device comprises a clamping plate, a supporting sleeve is fixedly connected to the surface of the clamping plate, sliding rods are symmetrically and fixedly connected between the two sides of the inner wall of the supporting sleeve, and a supporting plate is slidably connected between the two sliding rods; the surface of the sliding rod is movably sleeved with a compression spring matched with the supporting plate, and grooves are formed in the middle of the supporting plate and the middle of the clamping plate. The field first-aid device is composed of a transmission mechanism, a smearing mechanism and a winding mechanism. Through cooperative use of the supporting plate, the transmission mechanism, the winding mechanism and other components, after the clamping plate and the supporting plate are clamped into the arm position, the supporting plate is pulled to move on the surface of the sliding rod, and in the process that the supporting plate resets and moves towards the clamping plate, under cooperation of the transmission mechanism and the winding mechanism, a ribbon on the ribbon wheel is automatically wound around the wound position of the arm; and one-hand operation can be performed, so that the use convenience is improved.

An arm position monitor is provided having a magnetically attractive object, a magnet-coupler connector and a magnet. The magnetically attractive object is adapted to connect to an arm of a user and the magnet is adapted to connect to the same arm or to the other arm via the magnet-coupler connector. When positioned adjacent to one another during a golf swing, the magnet and magnetically attractive object attach to one another. However, if the user's arm substantially deviates from an optimal arm position during the swing, the user applies a detachment force greater than the magnetic attraction force that detaches the magnet from the magnetically attractive object. The arm position monitor alerts the user when this occurs.

A supplemental wheel assembly for a wheeled conveyance has first and second laterally spaced apart positioning plates securable to a camber tube attached to the wheeled conveyance. The first and second positioning plates have a plurality of pairs of positioning apertures defining a plurality of arm positions. The supplemental wheel assembly further has a support arm rotatably mountable between the first and second positioning plates and rotatable between the plurality of arm positions when mounted between the positioning plates. The support arm has an arm length extending from a proximal arm end to a distal arm end, and a telescopic joint at a location between the distal arm end and the proximal arm end. The arm length is continuously adjustable using the telescopic joint. The supplemental wheel assembly further has a stop pin slidably insertable through any of the pairs of positioning apertures to define an arm stop position.