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111 results about "Joint action" patented technology

Manipulator multi-task cooperative control method and system based on artificial intelligence

The invention relates to a manipulator multi-task cooperative control method and system based on artificial intelligence. The method comprises the following steps: firstly, receiving a multi-task request group sent by an external system, and analyzing to obtain task intention description and execution constraint conditions of each task; then environment state data and real-time operation parameters of the manipulator are collected through a multi-sensor system, and an operation capability evaluation result is generated; inputting the information into a pre-trained multi-task collaborative planning model, and generating a multi-task collaborative control strategy through collaborative processing; according to the strategy, action sequence instructions of all joints of the manipulator are generated and sent to a driving control system; and finally, collecting feedback data in real time by utilizing multiple sensors, dynamically adjusting an action sequence instruction, and ensuring ordered execution of multiple tasks. According to the method, efficient cooperative control over multiple tasks of the manipulator is achieved, and the task execution efficiency and stability are improved.
Owner:ZHUHAI ZHIHANG PRECISION TECHNOLOGY CO LTD

Dexterous hand teleoperation hand action migration method combined with digital twinning

The invention provides a digital twinning-combined dexterous hand teleoperation hand action migration method. The method comprises the following steps: acquiring an image sequence of a hand through a binocular camera; for each group of images in the image sequence, determining a three-dimensional coordinate sequence of the hand feature points; based on a pre-established digital twin skeleton model of the dexterous hand, establishing a mapping relation between the hand feature points and corresponding points in the digital twin skeleton model; converting the three-dimensional coordinate sequence of the hand feature point into a three-dimensional coordinate sequence of a corresponding mapping point in the digital twin skeleton model based on the mapping relation, taking the three-dimensional coordinate sequence as the position of the mapped hand feature point, and determining an optimal buckling angle and an optimal abduction angle; and based on the optimal buckling angle and the optimal abduction angle, a joint angle sequence is obtained, and corresponding joint actions in the dexterous hand are controlled to enable the dexterous hand to perform action migration according to hand actions in the image sequence, so that the smoothness and precision of the actions of the dexterous hand in the action migration process are improved.
Owner:CHONGQING UNIV

Step collision bead

The utility model provides a step collision bead which comprises a cylindrical shell, a ball and a spring, one end of the cylindrical shell is an open end, the other end of the cylindrical shell is a closed end, an annular clamping groove is formed in the inner side of the open end of the cylindrical shell, an annular check ring is integrally arranged on the outer side of the open end of the cylindrical shell, and the spring is arranged in the annular clamping groove. The ball is rotatably clamped in the annular clamping groove, the ball is opposite to the cylindrical shell and protrudes out of the annular clamping groove, and the spring is installed in the cylindrical shell. According to the step collision bead, through the combined design of the cylindrical shell, the ball and the spring, stable rotating positioning of the ball in the annular clamping groove is achieved, meanwhile, under the combined action of the T-shaped guide block, the supporting block and the limiting sleeve, the spring can stably and effectively support the ball, and therefore the stability of the step collision bead is improved. And the overall stability, adaptability and durability of the step collision bead are further improved. The design is suitable for various furniture accessories, automobile accessories and other occasions needing positioning or guiding.
Owner:DONGGUAN KANGHAN IND & TRADE TECHNOLOGY CO LTD

Motion control strategy network training method and device for foot robot with floating substrate based on reinforcement learning

The invention provides a reinforcement learning-based motion control strategy network training method and device for a foot robot with a floating substrate, and relates to the technical field of robots. The method comprises the steps that the positions of all joints and the positions of all soles of the foot robot before and after a target action is executed are obtained; calculating the position variation of each joint according to the position change of each sole before and after the execution of the target action; calculating a reference value of the position of each joint after the target action is executed according to the position of each joint and the position variation of each joint before the target action is executed; and according to the reference value and the position of each joint after the target action is executed, constructing a reward item, and training a base attitude control model by using the reward item. According to the base posture control method, the base posture control model after training can enable the foot type robot to generate coordinated joint actions more conforming to kinematics constraints when the base posture is adjusted, and then the terrain adaptability, the dynamic balance performance and the execution reliability of high maneuvering actions of the foot type robot are improved.
Owner:SHENZHEN ZHUJI POWER TECH CO LTD

A new structure panel lamp

A new structure panel lamp, including section frame, diffusion plate, bottom plate and light emitting lamp strip. The section frame is provided with the first table part and the second table part which are arranged at intervals; further including the cross-over clamp, the first end of the cross-over clamp is kept fixed by the joint action of the bottom plate and the second table part, the tail end of the cross-over clamp abuts against the diffusion plate and makes the diffusion plate and the first table part form fixed. The utility model can realize the internal space of the edge of the panel lamp, and realizes the planarization of the bottom plate, reduces its processing complexity.
Owner:方正

Traditional Chinese medicine auxiliary treatment device for abdominal distension in digestive system department

The utility model belongs to the field of medical instruments, and provides a traditional Chinese medicine adjuvant therapy device for abdominal distension in the digestive system department, which comprises a shell and a moxa fumigating component positioned on the outer side of the shell, a fluted disc is rotatably arranged in the shell, a driving part for driving the fluted disc to rotate is arranged on one side of the fluted disc in the shell, and four groups of vertical shafts are symmetrically arranged on the fluted disc in a rectangular shape; one end of the vertical shaft is connected with a panel, lugs are slidably arranged in the middle of the vertical shaft, a moving plate is connected among the lugs, a follow-up jacking part matched with the driving part is arranged on one side of the moving plate, and a plurality of groups of convex columns are uniformly distributed on the other side of the moving plate; the convex columns used for massage are arranged on the movable plate, and the movable plate can be driven to drive the convex columns to rotate and meanwhile to conduct outward jacking massage in a reciprocating mode under the combined action of the motor, the gear, the rotating shaft, the convex gear and the bevel gear ring through cooperation of the driving piece and the follow-up jacking piece. On the premise that only one power source is needed, the massage functionality is increased, and the massage effect is improved.
Owner:HANDAN HANDANG HOSPITAL CO LTD

Mechanical arm and humanoid robot

The embodiment of the utility model provides a mechanical arm and a humanoid robot, and relates to the field of robots. The mechanical arm comprises a shoulder assembly, a large arm assembly, a small arm assembly, a wrist assembly and a power supply wire harness which are sequentially in transmission connection. The shoulder assembly, the big arm assembly and the small arm assembly are all of a hollow structure. The shoulder assembly, the big arm assembly, the small arm assembly and the wrist assembly are each provided with a joint module, and the joint modules are used for driving corresponding joints to act. The power supply wire harness sequentially penetrates through the shoulder assembly, the large arm assembly and the small arm assembly and extends to the wrist assembly. The power supply wire harness is electrically connected with all the joint modules so as to supply power to the joint modules and / or control the joint modules. And the power supply wire harness is arranged in the mechanical arm, so that the problem that the power supply wire harness is exposed is avoided.
Owner:BEIJING HUMANOID ROBOTICS INNOVATION CENTER CO LTD

Assembling device for sealing ring

The utility model relates to an assembling device for a sealing ring, which comprises a transfer table, a loading assembly and a pick-and-place mechanism, the transfer table is provided with a placing platform, the placing platform is used for placing the sealing ring, the pick-and-place mechanism drives the loading assembly to get close to or away from the placing platform, and the loading assembly comprises a clamping piece, a clamping rod and a driving piece. The limiting part on the clamping piece extends into an inner ring of the sealing ring, the driving piece drives the extrusion part of the clamping rod to apply extrusion force to the sealing ring on the outer side of the inner ring of the sealing ring, the limiting part enables the sealing ring to be maintained in a specific shape, and the sealing ring is clamped through the combined action of the limiting part and the extrusion part. According to the clamping device, the limiting part and the extruding part are adopted for clamping the sealing ring, the clamping device is not limited by the style of the sealing ring any more, and the sealing ring with the rectangular section is effectively grabbed, carried and installed.
Owner:MAIDER MEDICAL IND EQUIP

Simple and quick fixing device for drawing wheel

The application discloses a simple and quick fixing device for a wire drawing wheel, which comprises a fixing device main body, wherein the fixing device main body comprises a pressing ring and an extension rod, the bottom of the extension rod is provided with a fixing table plate, a wire drawing wheel is arranged on the extension rod in a sleeving mode, the pressing ring is arranged at the upper end of the extension rod, the bottom of the fixing table plate is provided with an upper groove body, and a wire drawing wheel rod is connected in the upper groove body. The simple and quick fixing device for the wire drawing wheel comprises the fixing device main body, the pressing ring is installed at the upper end of the extension rod, the two are convenient and quick to fix, and in order to cooperate with the use of the pressing ring, the bottom of the extension rod is provided with the fixing table plate, the bottom of the fixing table plate is provided with the upper groove body, the upper end of the wire drawing wheel rod is installed in the upper groove body, so that the wire drawing wheel can be fixed through the joint action of the pressing ring fixed between the upper end of the extension rod and the fixing table plate at the bottom of the extension rod, the wire drawing wheel is prevented from loosening, and the wire drawing wheel is completely locked.
Owner:DONGGUAN CHUNCAO GRINDING TECH CO LTD

Fiber clamping device

The invention discloses a fiber clamping device which comprises a fixing assembly and a clamping assembly, the fixing assembly comprises a fixing unit and a first guide column, and an ejector pin groove is formed in the fixing unit; the movable assembly comprises a movable unit, an ejector pin, a loose clamping block, a first cylindrical block and an elastic unit; the movable unit is provided with a first limiting groove, a second limiting groove, a first inclined groove and a first rail, the top of the first inclined groove communicates with the first limiting groove, the bottom of the first inclined groove communicates with the second limiting groove, the lower side portion of the first inclined groove communicates with the first rail, and the upper portion of the first inclined groove inclines in the direction away from the first rail. Under the combined action of the loose clamping block, the first cylindrical block and the elastic unit, self-locking or unlocking between the movable assembly and the first guide column can be achieved, so that the movable assembly conveniently drives the ejector pin to move, and the moving efficiency of the ejector pin is improved; meanwhile, the ejector pin can be stably fixed in the ejector pin groove, so that a fiber bundle sample is stably clamped, and the slicing quality and accuracy are improved.
Owner:WUYI UNIV

A shoe roll-over prevention performance test device

The application discloses a shoe anti-rollover performance test device, which comprises a simulation foot device, a ground-like device and a control and data acquisition module. The simulation foot device comprises a simulation leg model and a simulation foot model. The simulation leg model simulates the knee joint action when the leg is stepped on and lifted. The simulation foot model is worn on the shoe to simulate the ankle joint action during the standing or lateral stretch action and lifting process. The ground-like device is provided with a stepping platform mechanism and a lifting mechanism. The stepping platform mechanism is provided with a test platform. The test platform is provided with a stepping plane simulating the simulation foot model, which bears the stepping force of the simulation foot model during the lateral stretch action. The lifting mechanism controls the stepping platform mechanism to move along the vertical direction so that the shoe sole of the simulation foot model can be in close contact with the test platform. The control and data acquisition module is used for collecting and analyzing the test data. The shoe anti-rollover performance test device can simulate the landing angle, impact force and action time between different legs, feet and ground, and evaluate the overall anti-rollover performance difference of the shoe under different motion intensities.
Owner:ANTA (CHINA) CO LTD

Robot skill simulation method, device, equipment and storage medium

The application relates to the field of robots and discloses a skill simulation method, device and equipment of a robot and a storage medium. The method comprises the following steps: acquiring the gripper state when the robot completes an operation task and inputting the gripper state into a gripper simulation environment to obtain a first joint action position through simulation simulation; inputting the first joint action position into a joint simulation environment to obtain a second joint action position and a visual image through simulation simulation, taking the second joint action position and the visual image as input data, training and optimizing a preset initial prediction formula through a preset loss function, obtaining a prediction formula, inputting the initial joint action position and the initial visual image of the robot in the joint simulation environment into the prediction formula, obtaining a target joint action sequence, and driving the robot to perform corresponding actions. According to the scheme, the joint action information and the visual information are learned, the action sequence of the robot is predicted, the technical difficulty of the robot in operation behavior learning is reduced, and the intelligent degree and the generalization ability of skill simulation of the robot are improved.
Owner:SOUTH CHINA UNIV OF TECH +1

Fishing trousers seam closing and heat sealing device

ActiveCN224092118ULightening equipmentHeat sealerMarine engineering
The utility model relates to the technical field of fishing trousers processing, and discloses a fishing trousers seam closing and heat sealing device which comprises a mounting plate, a seam closing mechanism is arranged on the top of the mounting plate, a heat sealing mechanism is arranged on the left side of the seam closing mechanism, and supporting legs are fixedly connected to the bottom of the mounting plate. According to the sewing and heat-sealing device for the fishing trousers, the needle punctures up and down at extremely high frequency and is matched with the thread shuttle to ingeniously shuttle and lead the threads, the fishing trousers can be quickly and accurately sewn, compared with a traditional manual sewing mode, the electric operation greatly improves the sewing efficiency of the fishing trousers, a large amount of manpower is saved, and the labor intensity of workers is reduced. And under the combined action of certain pressure and temperature, molecules of the sewing parts of the fishing trousers or edge materials needing to be sealed are fused with one another, so that the purpose of heat sealing of the fishing trousers is achieved, the waterproof and windproof performance of the fishing trousers can be enhanced through heat sealing treatment, and the overall quality of the fishing trousers is improved.
Owner:ZHEJIANG MINGFENG CAR ACCESSORIES

A syringe piston hook assembly device

The application discloses a syringe piston pull hook assembly device, and belongs to the technical field of medical instrument auxiliary devices.The syringe piston pull hook assembly device comprises a base frame, a material moving device, a clamping device, a clamping jaw and a ring-shaped workbench.A piston feeding mechanism is installed at the left end of the base frame, and an assembly mechanism is installed at the front end of the base frame.The clamping material moving mechanism comprises clamping assemblies and unlocking assemblies, and a plurality of clamping assemblies are fixedly connected with the ring-shaped workbench in a circumferential array, and two unlocking assemblies are fixedly connected with the base frame in a left-right symmetrical manner.Through the above mode, the syringe piston pull hook assembly device realizes the connection of the piston and the pull hook assembly operation through the cooperation of the ring-shaped workbench and the clamping material moving mechanism, greatly improves the assembly efficiency, and reduces the work burden of medical staff.Under the joint action of the clamping assemblies and the unlocking assemblies, the workpiece is quickly clamped, fixed and released, so that the assembly work is smoothly carried out.The assembly mechanism can conveniently and quickly complete the assembly work.
Owner:MEDWANG (SUZHOU) MEDICAL EQUIP CO LTD

Man-machine cooperative robot control method and device, electronic equipment and storage medium

The invention provides a man-machine cooperative robot control method and device, electronic equipment and a storage medium, and the method comprises the steps: determining an environment state space and a value preference space, the environment state space being used for representing a plurality of environment states in which a robot and a human being may be located, and the value preference space being used for representing the preference degree of the human being for an event; determining a current first belief state of the robot; setting the current second belief state of the human as the first belief state; according to the first belief state, the second belief state, the environment state space and the value preference space, calculating a joint action value when the robot and the human cooperatively act; determining a target decision model of the robot according to the joint action value; acquiring environment state information of the current environment; and determining a first target execution action of the robot according to the environment state information and the target decision model. According to the invention, the precision of man-machine cooperative work can be improved, and the method is suitable for any man-machine cooperative work scene.
Owner:WUHAN UNIV OF TECH

Method and device for training a motion control policy network of a legged robot with a floating base based on reinforcement learning

The present disclosure provides a kind of movement control strategy network training method and device of legged robot with floating base based on reinforcement learning, and it is related to robot technical field.The method comprises: obtaining the position of each joint and the position of each foot of legged robot before and after executing target action;According to the position change of each foot before and after target action is executed, the position change of each joint is calculated;According to the position of each joint before target action is executed and the position change of each joint, the reference value of the position of each joint after target action is executed is calculated;According to the reference value and the position of each joint after target action is executed, reward item is constructed, and base posture control model is trained using reward item.The present disclosure can realize that the coordinated joint action that is more in line with kinematic constraint is generated when legged robot adjusts base posture by the base posture control model trained, and then the terrain adaptability, dynamic balance performance and execution reliability of high maneuvering action are improved.
Owner:SHENZHEN ZHUJI POWER TECH CO LTD

Electric anastomat

The present disclosure relates to a motorized stapler including an end effector, a first actuation mechanism, a sensor, and a controller. The first actuating mechanism comprises a first moving part, the first moving part is driven to move in the far and near direction so as to enable the end effector to execute the joint action, and the first moving part comprises a sensed part. The sensor is used for sensing the position of the sensed part in the far and near direction. And the controller is electrically connected with the sensor and is configured to determine the swinging angle of the joint action according to the sensed position of the sensed part in the far and near direction. According to the characteristic value output by the sensor and the corresponding relation between the head swinging angle and the position of the sensed part, the controller can accurately determine the head swinging angle of the end effector.
Owner:TOUCHSTONE INTERNATIONAL MEDICAL SCIENCE CO LTD

Knee joint orthopedic rehabilitation brain-computer interface exoskeleton power-assisted control method and system

The invention discloses a knee joint orthopedic rehabilitation brain-computer interface exoskeleton power-assisted control method and system, and relates to the technical field of knee joint rehabilitation. The method comprises the following steps: based on an electroencephalogram electrode cap and a knee joint angle sensor, analyzing a corresponding relation between an electroencephalogram main peak and a joint action, combining plantar pressure change, screening gait characteristics, judging an intention signal and an action trend, proofreading exoskeleton execution, and obtaining a closed-loop action offset index. According to multi-dimensional trend analysis of the action execution process, electroencephalogram intention judgment is dynamically associated with the knee joint action process, intention signals and action state changes are comprehensively analyzed through trend synchronous judgment and continuous behavior cooperation, and layer-by-layer linkage of intentions, behaviors and the execution process is achieved; the control output has real-time adaptation and compliant coordination ability, the training stage can adapt to multi-source signal changes, the false triggering probability is effectively reduced, the action continuity is guaranteed, and the man-machine coordination consistency and the rehabilitation training safety guarantee ability are improved.
Owner:FIRST HOSPITAL AFFILIATED TO GENERAL HOSPITAL OF PLA

Hand-held pistol drill facilitating speed control

The invention relates to the technical field of electric tools, and discloses a handheld speed-control-facilitating pistol drill which comprises a handle, a shell is fixedly connected to the top of the handle, a drill body is fixedly connected to the top of the shell, a hollow column is fixedly connected to the inner wall of the shell, and a protruding strip is fixedly connected to the inner wall of the shell; the outer wall of the protruding strip is movably connected with a pressing assembly, the inner wall of the shell is fixedly connected with a resistance assembly, by arranging the resistance assembly, the position of the corresponding trigger can be automatically memorized according to the last use state of an operator, and when the trigger is used again and pressed to the position, the trigger can be automatically reset. The resistance borne by the trigger is converted into the combined action of double springs from the action of a single spring, and the resistance is increased, so that clear tactile feedback is provided for an operator, the operator can perceive the previously set working position, the operator can realize self-defined rotating speed control according to the actual machining requirement, and the repeatability of operation is effectively improved.
Owner:NINGBO YOUNGSUN ENTERPRISE

Breather valve rolling test platform

The utility model relates to the technical field of breather valve testing, in particular to a breather valve rolling test platform, which comprises a positioning unit and a positioning unit, the positioning unit comprises a sliding block, one side of the sliding block is connected with an auxiliary part, the sliding block is provided with a limiting assembly, the sliding block is provided with a notch, the limiting assembly comprises a spring and a positioning column which are arranged on the sliding block, and the positioning column is connected with the auxiliary part. The spring is connected with the positioning column, one end of the positioning column extends into the notch, the positioning column is separated from the interior of the notch by pulling the positioning column, the sliding block is arranged at a proper position in a sliding and sleeving mode, the hand is released after completion, the positioning column is reset under the action of the elastic force of the spring, and the positioning column fixes the sliding block through the elastic force of the spring. The auxiliary part fixes one end of the breather valve, and the problem that when the rolling angle of the breather valve is changed, the breather valve rolls down in advance due to the combined action of gravity and centrifugal force, the rolling time of the breather valve cannot be accurately controlled, and the detection effect error is large is solved.
Owner:NANJING PRETIGE SAFETY EQUIP ENG CO LTD +1

Hard alloy drill bit

The utility model discloses a hard alloy drill bit, which relates to the technical field of alloy drill bits and comprises an alloy cutter handle component, a locking component and an alloy drill bit component, the alloy cutter handle component comprises a cutter handle head and a clamping groove, the clamping groove is arranged outside the cutter handle head, the locking component is mounted at the bottom of the alloy cutter handle component in a threaded manner, and the alloy drill bit component is mounted in the clamping groove. The locking assembly comprises a threaded ring and a threaded assembling and disassembling groove, the alloy drill bit assembly is fixedly installed in the alloy cutter handle assembly, and the alloy drill bit assembly comprises a drill bit cutter body and a drill bit installation groove. Under the combined action of the threaded ring, the drill bit clamping block, the force bearing block and the drill bit mounting groove, the drill bit and the cutter handle are divided into two parts, when the hard alloy drill bit is assembled, the threaded ring and the drill bit clamping block are tightened through the threaded assembling and disassembling groove, the drill bit clamping block clamps the cutter handle head, and therefore the drill bit is assembled. The cutter handle can be reserved when the drill bit is damaged, and cutter handle materials are saved.
Owner:CHANGZHOU TERUI PRECISION CUTTING TOOLS CO LTD

A conveying unit of a koji production device

The utility model relates to the field of wine production equipment, concretely relates to a conveying unit of wheat starter production device. The conveying unit of wheat starter production device can automatically adjust the vertical box to the transverse arrangement, and this part is realized through the joint action of first left side trajectory board, first right side trajectory board, second left side trajectory board, second right side trajectory board and rotating wheel structure, and the mechanical arm of conveying unit can better adapt to the box. The conveying unit of wheat starter production device of the utility model includes material recycling mechanism and can centrally recycle the material left in the box.
Owner:ZHEJIANG GUYUELONGSHAN SHAOXING WINE

Composite inverted step-by-step core-pulling demolding injection mold

The utility model discloses a composite inverted step-by-step core-pulling demolding injection mold which is used for injection molding of a product and comprises a sliding block capable of sliding along a second direction, a first sliding block insert used for molding a first inverted position of the product and a second sliding block insert used for molding a second inverted position of the product, the first sliding block insert is fixed on the sliding block, and the second sliding block insert is fixed on the sliding block. The second sliding block insert is arranged at the bottom of the first sliding block insert and is in sliding connection with the first sliding block insert, and meanwhile, a thrust spring is installed between the second sliding block insert and the sliding block; the second sliding block insert can move in the first direction under the combined action of the first sliding block insert and the thrust spring so as to be separated from the second reverse buckling position. According to the utility model, the demoulding sequence and action of reverse buckling positions in different directions are accurately coordinated, a product with a complex reverse buckling structure can be smoothly demoulded, the integral structure of the mould is simplified, and the dimensional accuracy and the appearance quality of the product are improved.
Owner:KUNSHAN HUIMEI PLASTIC MOULD IND CO LTD

Anti-blocking longitudinal slitting machine feeding mechanism

ActiveCN224675118UMachineControl theory
The utility model discloses a kind of anti-stuck material formula longitudinal planing and cutting machine feed mechanism, including main body frame, planing and cutting assembly, height adjusting mechanism, position clamping mechanism and stabilizing mechanism, the height adjusting mechanism includes main rotary lever and parallel frame, the position clamping mechanism includes support pipe and clamping rod, the stabilizing mechanism includes positioning plate and rotating sleeve, height adjusting mechanism is matched by main rotary lever and parallel frame, the accurate adjustment of planing and cutting assembly height is realized, main rotary lever rotation drives parallel frame to move up and down, adapt to the processing demand of different thickness workpieces, from rotary lever and main rotary lever joint action, ensure that parallel frame keeps parallel state in the adjustment process, position clamping mechanism is accurately matched by support pipe, clamping pipe, rotating disc and clamping rod, the accurate locking of height position is realized, ensure that planing and cutting assembly can be firmly fixed after being adjusted to required height.
Owner:DALIAN JUZHONG WOOD IND CO LTD

Modular clamp skinning machine

The utility model relates to the technical field of skin shell machine, concretely is a kind of modularization clamp skin shell machine, including base, concave skin shell inner core and convex skin shell inner core, the top of base is provided with support, the top of support is provided with top plate, the top of top plate is provided with cylinder, the output end of cylinder is provided with lifting plate, lifting plate is slidably sleeved on support, the bottom end of lifting plate and the top of base are evenly provided with fixed component for fixing concave skin shell inner core and convex skin shell inner core.The modularization clamp skin shell machine can realize the fixing of convex skin shell inner core or concave skin shell inner core under the joint action of fixing rod and fixed hole, replace convex skin shell inner core or concave skin shell inner core conveniently, solve the problem that the skin shell machine of prior art cannot replace skin shell inner core in actual use process, only one type of skin shell can be extruded, and the flexibility is poor when using.
Owner:CHENGDU FANGXIN RUISHENG TECHNOLOGY CO LTD

Control method, control device, processor and vehicle for a pneumatic clutch

The application provides a control method and device of a pneumatic clutch, a processor and a vehicle, and relates to the technical field of vehicle control, and solves the problem that it is difficult to ensure driving comfort when the pneumatic clutch performs a joint action or a separation action in the prior art.
Owner:WEICHAI POWER CO LTD +1

Solution method of jss, evaluation method and evaluation system for upper arm muscle rehabilitation exercise

This invention discloses a method for solving the JSD (Joint Action-Impedance Synergy Index), a method for evaluating upper arm muscle rehabilitation exercises, and an evaluation system, belonging to the fields of rehabilitation assessment and medical imaging technology. Its key technical points are: acquiring the instantaneous instability sequence of joint displacement and the average impedance change value, and constructing the Action-Impedance Synergy Index (AISI) as an evaluation indicator to achieve a three-level probability distribution classification of muscle rehabilitation levels. This invention integrates temporal and physiological characteristics of movement, providing an objective, quantitative, and multimodal muscle rehabilitation assessment scheme suitable for evaluating the effectiveness of rehabilitation training.
Owner:JINAN UNIVERSITY

A hand-held pistol drill with a speed control

The application relates to the technical field of electric tools, and discloses a handheld pistol drill convenient to control speed, which comprises a handle, the top of the handle is fixedly connected with a shell, the top of the shell is fixedly connected with a drill body, the inner wall of the shell is fixedly connected with a hollow column, the inner wall of the shell is fixedly connected with a convex strip, the outer wall of the convex strip is movably connected with a pressing assembly, and the inner wall of the shell is fixedly connected with a resistance assembly. Through the resistance assembly, the corresponding trigger position can be automatically memorized according to the last use state of an operator, when the pistol drill is used again and pressed to the position, the resistance borne by the trigger is changed from single spring action to double spring joint action, the resistance is increased, definite tactile feedback is provided for the operator, the operator can perceive the previously set working position, the operator can realize self-defined speed control according to actual machining requirements, and the repeatability of operation is effectively improved.
Owner:NINGBO YOUNGSUN ENTERPRISE