69 results about "Finger force" patented technology

The invention discloses a dexterous hand fruit and vegetable grabbing control method based on fuzzy variable impedance control. The method comprises the following steps: firstly, establishing a multi-finger collaborative kinematics model based on a spinor theory, and determining fingertip poses, grabbing force of each finger and multi-finger resultant force distribution; on the basis of force sealing, an optimization model with the minimum contact force as a target is constructed, an NSGA-II algorithm is adopted for solving, and the minimum grabbing force needed by stable and lossless grabbing is obtained; establishing an impedance control model in a Cartesian space, enabling a grabbing system to be equivalent to a mass-spring-damping system, analyzing the influence of an impedance parameter on grabbing performance, and determining an inertial parameter and a damping coefficient as key adjustment objects; fuzzy control is further introduced, the grabbing force error and the change rate of the grabbing force error serve as input and output inertia and damping adjustment amount, a fuzzy self-adaptive variable impedance controller is constructed, and dynamic optimization of impedance parameters and accurate tracking of the grabbing force are achieved. The fruit and vegetable grabbing device can be effectively applied to rapid, stable and lossless grabbing of various fruits and vegetables in an unstructured agricultural environment.

The utility model relates to the technical field of non-woven fabric production, and discloses a non-woven fabric and an embossed pattern structure thereof, the embossed pattern structure comprises a plurality of distributed embossed groove lines, and each embossed groove line is formed by connecting two semicircular arc embossed grooves with opposite opening directions end to end to form an S-shaped or reverse S-shaped embossed groove structure. When the non-woven fabric is pulled, deformation resistance and elastic recovery effects are achieved, the risk of being pulled apart is reduced, and the risk that the non-woven fabric is damaged due to the fact that fingers exert force in the wiping process is reduced or avoided. By means of the embossed groove line, a round and edge-free protruding structure is formed in the two semicircular arc lines and matched with the embossed groove, dirt is stored, meanwhile, skin is not prone to being scratched, and the wiping effect and the using body feeling are improved. Gaps are formed between the embossed groove lines of each layer of the non-woven fabric, flow guiding, water absorbing and dirt holding are achieved, and the using effect is improved. The utility model has the characteristics of simple structure, strong practicability and good use effect.

1. Name of the product in this design: Finger Climbing Ball. 2. Purpose of this design: This design is intended for use as a finger climbing ball in rock climbing. 3. The key design feature of this product is its shape. 4. The image or photograph that best illustrates the design's key points: a 3D model.

The invention relates to the technical field of man-machine interaction and psychological assessment, in particular to a psychological exercise ability multi-task assessment method and system. The method comprises the following steps: configuring a test process and task parameters, selecting at least two tasks from a task library containing multi-finger force control, target tracking, quick response and continuous adjustment tasks, and setting an operation mode; executing the selected task, and collecting user behavior data through various external sensing devices; calculating a multi-dimensional evaluation index of each task based on the behavior data; and integrating all indexes to generate a comprehensive evaluation report. The system comprises a corresponding configuration module, a task execution module, a data acquisition module, an index calculation module and a report generation module. Through comprehensive computerization and multi-task normal forms, objective, refined and multi-dimensional comprehensive assessment of psychological exercise ability is realized, and the defects that a traditional assessment tool is high in subjectivity, single in data dimension and insufficient in ability coverage are effectively overcome.

The present invention relates to a force-controlled picking end effector, which includes a finger driving component and a finger force control component; the finger driving component includes a base, a power device and a movable device, the movable device is slidably installed on the base, there are two groups of movable devices, and the two groups of movable devices approach or move away from each other along the base under the action of the power device; the finger force control component includes a clamping mechanism and a force control mechanism, the clamping mechanism includes a linear bearing bracket, a moving shaft and a clamping plate, the force control mechanism includes a photoelectric switch and an induction component. When the finger driving component drives the finger force control component to clamp an object to be clamped, a relative displacement occurs between the moving shaft and the linear bearing bracket, causing the photoelectric switch and the induction component to approach, triggering the photoelectric switch, controlling the operation of the power device, and stopping the two groups of movable devices connected to the clamping mechanism from approaching. The present invention is used for picking fruits with high quality requirements and difficult picking, such as brown mushrooms, to achieve damage-free picking.

The invention relates to the technical field of hand function rehabilitation evaluation, in particular to a finger strength rehabilitation evaluation method and system, and the method comprises the steps that multiple sets of grasping training data of a patient are obtained, and one set of grasping training data comprises grip strength data of the patient at multiple moments during one-time grasping training; constructing a grip strength-time matrix; calculating a mahalanobis distance between each row of elements in the grip strength-time matrix and the grip strength-time matrix; judging whether each group of target training data is valid data or not; and calculating an evaluation coefficient, and adding a rehabilitation label to the patient when the evaluation coefficient is greater than a preset evaluation threshold value. According to the method, the accuracy of an evaluation result is improved by reducing data errors caused by non-standard actions or accidental factors.

The embodiment of the application discloses a device driving wire pre-tightening device, which fixes a surgical device on a base through a bearing assembly, then clamps a finger part of the surgical device through a finger force measuring assembly arranged on the bearing assembly and measures a first external force of the finger part, and can clamp a wrist part of the surgical device through a wrist part force measuring assembly arranged on the bearing assembly and measure a second external force of the wrist part, the sizes of the first external force and the second external force respectively reflect the pre-tightening force sizes of a steel wire rope driving the finger part and a steel wire rope driving the wrist part, and the first external force and / or the second external force are displayed in the form of a visible image through a display assembly, so that a user can clearly and quantitatively perceive the pre-tightening force sizes of each steel wire rope, the pre-tightening force sizes of each steel wire rope are consistent, a quantitative assembly standard is facilitated to be formulated, and product quality and consistency are guaranteed.

The estimation device comprises: an acquisition unit acquiring first a detection result obtained by a first sensor and a second detection result obtained by a second sensor, the first sensor being provided away from a palm side portion of a hand of a worker and detecting a first physical quantity related to bending of a finger of the worker, the second sensor being mounted on a forearm portion of the worker and detecting a second physical quantity related to a movement of muscle in the forearm portion; and an estimation unit estimating a finger force generated in the finger using the first detection result and the second detection result.

A bottle is disclosed that combines liquid storage with a built-in finger-strengthening mechanism. The bottle includes one or more finger grip plunger built into its main body, each coupled with an elastic component such as a spring to provide compressive resistance for hand or finger exercises. In some embodiments, a cavity prevents liquid from contacting the finger grip plungers. In some embodiments, the bottle includes an external flexible member positioned around the main body and configured to provide resistance when compressed by the user's fingers. The finger grip plunger and flexible member configurations may be used independently or in combination, allowing for adjustable or varied resistance levels. The invention provides a dual-purpose solution for hydration and finger-strengthening exercise in a compact, portable form.

The utility model provides a modularized finger strength rehabilitation evaluation system, which relates to the technical field of finger rehabilitation testing, and comprises a processing module, the top of which is fixedly connected with a testing assembly; and the testing assembly comprises a fixing block, the bottom of the fixing block is fixedly connected with the top of the processing module, and the rear surface of the fixing block is fixedly connected with a motor. During use, the threaded rod is driven by the motor to rotate, so that the adjusting hole can move back and forth along the surface of the sliding rod, the effect of adjusting the distance between the first round block and the adjusting block is achieved, the elasticity value of the spring is changed according to requirements, and the recovered fingers of a person can be tested under the condition of different tensile forces; finger strength test data are transmitted into the processing module under the action of electrical connection, the processing module compares the collected data for automatic evaluation, and the use effect of the modular finger strength rehabilitation evaluation system is improved.

The utility model relates to the technical field of fret saw tools, in particular to a double-finger force application pull ring fret saw structure which comprises a handle part, a connecting part and a fret saw part. The handle adopts a Y-shaped design, and a circular ring is arranged at the tail end and is matched with fingers to apply force; the connecting part is fixed with the handle and the fret saw through a high-strength metal piece, and a double-fixing device is provided; the fretsaw is of a closed annular structure and is made of high-carbon steel, and the surface of the fretsaw is polished to reduce friction resistance. The cutting efficiency and safety can be improved through uniform force application and stable connection, meanwhile, portability is enhanced through lightweight design, and the cutting device is suitable for various complex scenes.

The invention discloses an electric competitive hand finger wrist strength flexibility training system, which relates to the technical field of electronic competitive training, and comprises a wearable glove body, a wrist guard control box positioned at the wrist, and a plurality of groups of independent resistance adjusting mechanisms arranged on the glove; according to the system, independent, continuous and adjustable resistance output in the grasping and stretching directions of each finger is achieved through a micro reel machine, a driving motor, an electromagnetic clutch and a flexible cable. A control module is arranged in the wrist guard control box, is in wireless connection with a mobile terminal application program, and supports real-time data display, various training mode configuration and a safety protection function; the sensing unit comprises a finger force sensor, a bending sensor and a wrist IMU, and can accurately collect force, angle and motion data. The problems that traditional training equipment cannot finely train a single finger, is short of quantitative feedback and is poor in portability are solved, personalized and data-driven efficient training can be provided for electric competitors, and meanwhile training safety is guaranteed through multiple safety mechanisms.

Methods and computing devices for estimating a finger force exerted on a touchpad are disclosed. In one example, a method comprises calculating a plurality of forces produced by a palm at a plurality of capacitive force sensors of the touchpad, where at least one of the sensors is saturated. After calculating the forces produced by the palm, the method determines that the touchpad is being contacted by the palm and a finger. The method uses the forces produced by the palm to determine the finger force exerted on the touchpad by the finger.

The invention discloses a finger force training lifting disc and lifting barrel assembled in a mutual insertion mode, barreled oil and barreled water, the lifting disc is formed by two same splicing pieces in a mutual insertion mode, one end of each splicing piece is provided with a protruding tenon, the other end of each splicing piece is provided with a concave mortise, the outer side of each splicing piece is a grabbing face, the inner side of each splicing piece is an inner clamping face, and each inner clamping face is semicircular and provided with a clamping groove; the upper edge of the clamping groove is narrower than the lower edge. During assembly, the tenons and the mortises of the two splicing pieces are mutually inserted, the inner clamping faces can form a complete circle, the clamping grooves of the inner clamping faces also form a through complete circle, a lifting barrel, barreled oil and barreled water can be fixed, and a stable overall structure is formed. The problems that the handle for the barreled oil and the barreled water is relatively tedious to disassemble and assemble and cannot be forked by fingers to grab are effectively solved. By adjusting the filling weight of the lifting barrel, the barreled oil and the barreled water, training of forearm and finger force can be carried out very conveniently, and the problems that an existing training device is inconvenient to grasp, troublesome in weight balancing and affected by the use environment are solved.

To provide a can lid structure that enables even a user with weak finger strength to surely open a can, in order to smooth the can opening operation and prevent erroneous operation. [Solution] The can lid 2 of the can body 1 is provided with an opening piece 3 defined by scores 32, and a pull lip lever 5 is attached to the opening piece 3 via a rivet 4 so that it can rotate horizontally. A protrusion 6 is provided on the can lid 2, excluding the opening piece 3, within the rotation range of the pull lip lever 5, and by rotating the pull lip lever 5 so that it rides on the protrusion 6, the opening piece 3 is pushed down along the scores 32 using the principle of leverage, forming an opening.

Only healthy individuals with sufficient arm and finger strength to handle the belt's elasticity can pull the end of the belt from the anterior superior iliac spine to the greater trochanter of the femur with both hands and then secure it with hook-and-loop fasteners to support the pelvis. Therefore, providing a pelvic belt that can be easily attached with one hand is a challenge. [Solution] The pelvic support belt is characterized by comprising a metal or resin square ring 1 positioned at one end of the pelvic support belt, a metal or resin tube 2 positioned to surround the long side of the metal or resin square ring 1, a main belt 3, ventilation holes 4 provided in the main belt 3, a permanent fastening hook-and-loop fastener 5 positioned on the central flat part of the main belt 3, temporary fastening hook-and-loop fasteners 6 and 7 positioned on the side of the pelvic support belt opposite to the metal or resin square ring 1, and a hook-and-loop fastener 8 positioned at the end of the pelvic support belt opposite to the metal or resin square ring 1.

The traditional Chinese medicine massage auxiliary device comprises a handheld rod body, an acupoint pressing piece and a massage piece, the handheld rod body is arranged to be a long-strip-shaped stick body, the acupoint pressing piece and the massage piece are arranged at the two ends of the handheld rod body in the length direction of the handheld rod body, a contact part is arranged on the massage piece, and the contact part is arranged on the handheld rod body. At least one part of the contact part is arranged to be arc-shaped, the hole pressing part is rotationally connected with the handheld rod body through a rotating shaft, the hole pressing part comprises a ball part, a point pressing part is arranged on the ball part in the length direction of the handheld rod body in a protruding mode, and at least one part of the point pressing part is arranged to be arc-shaped. The traditional Chinese medicine massage auxiliary device can respectively simulate the friction manipulation and the extrusion manipulation of the existing finger force application operation, the strength of finger force application can be greatly reduced while the massage effect is ensured, a massagist can be effectively protected, and occupational diseases of the massagist are avoided.

This application relates to the technical field of pulse diagnosis detection, and particularly to a traditional Chinese medicine pulse diagnosis finger force detection system, method and storage medium. The system includes: a sensing component, a data acquisition component and a controller; the sensing component can be attached to the nail, detects the change in fingertip blood volume under the state of fingertip extrusion through the change in photoelectric signals, and generates a current signal corresponding to the photoelectric signal; the data acquisition component and the controller can be worn on the back of the hand, and the data acquisition component is used to collect the current signal generated by the sensing component and establish communication between the sensing component and the controller; the controller is used to control the operating state of the sensing component and process the current signal read by the data acquisition component, and calculates the fingertip pressure corresponding to the current signal according to the relationship curve between the pre-calibrated current and the fingertip pressure. Thus, it solves the problems that in the related art, the credibility of measuring the fingertip force in normal pulse diagnosis by the contact method is not high, and the differentiation of floating, middle and sinking finger forces is inaccurate.

1. The name of the design product: finger force climbing magic cube. 2. The use of the design product: the design product is used for training finger force and grip force when climbing. 3. The design points of the design product: in shape. 4. The picture or photo that best indicates the design points: perspective view.

The utility model discloses a kind of tweezers for assisting sewing, including tweezers body, the tweezers body is by two tweezers piece rear end fixed connection and front end opening composition, the front end of tweezers piece is clamping part, comprising: the clamping part is provided with magnetic attraction component, for two clamping are together magnetically attracted, auxiliary opening and closing component is also provided on the tweezers body, for the spacing between clamping part is controlled.The tweezers provided by the utility model realizes opening and closing by auxiliary opening and closing component, reduces the demand of finger force, greatly reduces the frequency and intensity of finger force, avoids skin indentation and soft tissue injury, solves the problem of stuffy discomfort caused by adhesive tape wrapping, simultaneously cooperates with the clamping part suction of magnetic attraction mode, further improves clamping force, simultaneously avoids the situation that clamping force is not enough caused by long-time operation of artificial, thereby ensure that cloth is accurately aligned in sewing process, especially arc edge and cut mark, reduce rework rate, improve toy delicacy.

The invention discloses a key hand feeling detection system and method, the key hand feeling detection system comprises a detection table, a conduction detector, a finger execution mechanism and an upper computer, and the detection table is used for fixing a to-be-detected vehicle window key; the conduction detector is used for generating a conduction signal when the vehicle window key is conducted; the finger executing mechanism comprises a servo driving part, a force sensor and a simulation finger, the force sensor is connected between the servo driving part and the simulation finger, the servo driving part is used for driving the simulation finger to press, pull and lift a car window key, and the force sensor is used for detecting the stress value of the car window key in the pressing or pulling and lifting process; the upper computer is used for collecting a displacement value and a stress value of the car window key in the pressing or lifting process and generating a displacement and stress curve, the upper computer obtains a conduction force value and a conduction displacement value of the car window key in the conduction process according to the conduction signal, and the upper computer maps the obtained parameters into objective hand feeling. The key hand feeling detection system is suitable for quality control and research and development verification of an automobile part production line.

The utility model relates to power connector technical field, concretely relates to a kind of pin-shaped anti-extraction plug.It includes female end, the female end is initiative insertion end, the female end includes shell, its inside has slide;zipper and lock piece, the zipper is slidably arranged in slide, the lock piece is adjacent ground jack setting, to expose in the side of ground jack is front, the zipper front end is engaged with lock piece.The utility model is by being set in the position corresponding with the thumb or forefinger when single hand pinches female end with button, to be able to realize single hand pinches female end and operates;Meanwhile, button is contacted with thumb or forefinger, and then comply with ergonomics design, to facilitate the finger force of button when single hand pinches.

The invention relates to the technical field of medical instruments, and discloses a cardiovascular medicine guide wire intervention auxiliary device, which comprises a catheter end part and a guide wire body, an adjusting part is arranged outside the catheter end part, a control part is arranged on the adjusting part, a clamping part is arranged on the control part, a locking part is arranged on the clamping part, and a locking part is arranged on the locking part. The adjusting part comprises two adjusting rods, inserting grooves are formed in the two adjusting rods, the control part comprises a control ring, the operation burden of an operator is reduced, the operation durability is improved, the guide wire is directly held through clamping plates and anti-skid pads of the clamping part instead of fingers, the friction force between the anti-skid pads and a guide wire body is increased, and the guide wire is more stable in operation. And the design of the holding holes accords with ergonomics, so that force application by fingers is facilitated, finger muscle fatigue and spasm caused by long-time operation are avoided, physical output of the operator is reduced, potential safety hazards caused by accidental slipping out of the hand are avoided, and the operation stability in a complex operation is improved.

The invention relates to a manually operated actuator mechanism (500) for driving a piercing element (502) with increased safety. The actuator mechanism comprises a mounting element (504) connected to a trigger element (506) by a first breakable connection element (510). The actuator mechanism further comprises a piercing element carrier (508) connected to the trigger element by a second breakable connection element (514). The trigger element (506) further comprises a push member (512) which can be pushed with a human finger. The first breakable connection element is configured to break by means of a predetermined pushing finger force (F) pushing said push member (512). The piercing element carrier is movable between an initial position, in which the first breakable connection element (510) and the second breakable connection element (514) are not broken, and a stop position, in which a base (516) prevents movement of the piercing element carrier (508).

The invention relates to a system (100) for determining finger coordination, comprising at least the following components: - a device (10) with an elastically deformable shell (1) having a plurality of surface portions (2a,2b,2c,2d,2e) for receiving a force from a finger, wherein the shell (1) forms at least a portion of a housing (3) of the device (10), wherein the device (10) comprises, o a plurality of force-sensing resistors (4a,4b,4c,4d,4e), FSR, wherein each sensor (4a,4b,4c,4d,4e) is associated to one of the surface portions (2a,2b,2c,2d,2e) of the shell (1), wherein each sensor (4a,4b,4c,4d,4e) is configured and arranged to detect (and record) a force on the associated surface portion (2a,2b,2c,2d,2e) of the shell (1) and to generate a corresponding FSR-signal, indicative of the detected force, o an inertial measurement unit (5), IMU, configured to detect an orientation and a movement of the device (10) and to generate a corresponding IMU-signal, o a first transmission module (11) configured to receive the FSR-signal of each sensor (4a,4b,4c,4d,4e) and the IMU-signal, wherein the first transmission module (11) is further configured to transmit IMU-data relating to the IMU-signal as well as FSR-data relating to the FSR-signal, wherein the FSR-data is configured such that force information of each surface portion (2a,2b,2c,2d,2e) may be obtained and evaluated separately from the FSR-data. The invention further relates to a computer program.

1. Name of the product in this design: Climbing Finger Board (Portable Triangular Wooden Board). 2. Purpose of this design: A finger strength training board for rock climbing training. 3. The key design feature of this product is its shape. 4. The image or photograph that best illustrates the design's key points: a 3D model.

1. The name of the design product: finger force board door frame. 2. The use of the design product: used for fixing on the door frame, hanging the frame of finger force board. 3. The design points of the design product: in shape. 4. The picture or photo that can best show the design points: perspective view 1.

This estimation device is provided with: an acquisition unit that acquires a first detection result by a first sensor that is provided so as to be separated from the palm side of the hand of a worker and that detects a first physical quantity relating to bending of the fingers of the worker, and a second detection result by a second sensor that is attached to the forearm of the worker and that detects a second physical quantity relating to bending of the fingers of the worker; detecting a second physical quantity related to the movement of the muscle of the forearm; and an estimation unit that estimates a finger force generated in the finger using the first detection result and the second detection result.

The invention discloses a dexterous hand grabbing method based on fine-grained contact representation of a diffusion model, and particularly relates to the technical field of robots, which comprises the following steps: constructing a three-stage framework of contact graph generation, contact matrix prediction and grabbing posture generation, designing a finger separation contact graph generation model based on the diffusion model, predicting each fingertip contact area and direction from the object point cloud, and generating a fine-grained contact matrix graph; a direction consistency optimization algorithm is used, physical constraints and a contact diagram are fused, and it is ensured that the finger force application direction is matched with the normal of the surface of the object; the finger separation contact accuracy problem is solved through modes such as multi-task learning, physical robot experiments are carried out on platforms such as Shadow Hand to verify the actual grabbing effect, an independent contact probability matrix graph is generated for each finger, and the generated contact probability matrix graph fuses the object grabbing direction; a layered optimization strategy is adopted, learning aided optimization and lightweight model construction are reinforced, and the dynamic contact optimization efficiency is improved.

Only healthy individuals with sufficient arm and finger strength to handle the belt's elasticity can pull the end of the belt from the anterior superior iliac spine to the greater trochanter of the femur with both hands and then secure it with hook-and-loop fasteners to support the pelvis. Therefore, providing a pelvic belt that can be easily attached with one hand is a challenge. [Solution] The pelvic support belt is characterized by comprising a metal or resin square ring 1 positioned at one end of the pelvic support belt, a metal or resin tube 2 positioned to surround the long side of the metal or resin square ring 1, a main belt 3, ventilation holes 4 provided in the main belt 3, a permanent fastening hook-and-loop fastener 5 positioned on the central flat part of the main belt 3, temporary fastening hook-and-loop fasteners 6 and 7 positioned on the side of the pelvic support belt opposite to the metal or resin square ring 1, and a hook-and-loop fastener 8 positioned at the end of the pelvic support belt opposite to the metal or resin square ring 1.