15 results about "Human fatigue" patented technology

The invention discloses a lower limb exoskeleton robot layered cooperative walking aid control method. The method comprises the steps of data acquisition and preprocessing; human-machine coupling dynamics modeling is carried out, and required moments tau < hip >, tau < knee > and tau < ankle > of the hip joint, the knee joint and the ankle joint are obtained; low-layer joint control, including hip joint moment, knee / ankle virtual impedance moment and friction compensation calculation; middle-layer multi-axis cooperation and gait phase judgment; high-rise energy is optimally distributed, assistance is distributed to three joints in a phase and a safety boundary, meanwhile, the requirements for labor saving and stability are considered, a minimization problem is written in a unified mode, J serves as the total amount, and torque of the hip joint, torque of the knee joint and torque of the ankle joint are solved in a combined mode; according to the step-by-step self-adaption of myoelectricity driving, in order to cope with human body fatigue changes, step-by-step updating is carried out on the virtual stiffness within the movement distance. The method has the advantages of improving man-machine cooperation level, man-machine adaptability and walking aid efficiency.

The invention provides automatic assembly equipment for large-diameter sealing rings, which comprises a rack, a stock bin, a contraction positioning mechanism, a transverse moving clamping mechanism and a material taking assembly mechanism, the stock bin is mounted on one side of the upper end of the rack, the stock bin comprises ring rods which are annularly distributed, and the outer ends of the ring rods are sleeved with the sealing rings in a stacked manner. According to the device, the sealing rings are stacked and placed through the stock bin, the clamping assembly can take materials in sequence, the contraction positioning mechanism can position the placed sealing rings, the mechanical arm can control the material taking and assembling mechanism to conduct grabbing conveniently, and automatic assembling work of the large sealing rings is achieved. According to the device, the labor intensity and the labor cost are reduced, hour continuous operation can be achieved, the device is not affected by artificial fatigue factors, the assembly efficiency is improved, the assembly consistency and stability are guaranteed, the safety and the reliability are enhanced, operation is gentle, the sealing ring is protected against damage, and foreign matter is not prone to occurring in the operation process.

The present invention relates to a force-saving tool, and specifically relates to a force-saving cutting, gripping or fixing tool that uses a toothed structure for separable connection to form a dual-lever mechanism, the tool comprising a working member I and a working member II which act on two sides of a structure to be gripped and are hinged by means of a pin shaft, and a connecting rod I and a connecting rod II which are configured to control the working member I and the working member II, wherein the working member I and the working member II are both provided with teeth, and the connecting rod I and the connecting rod II are also provided with teeth; the teeth of the working member I and the teeth of the connecting rod II mesh with each other, and the teeth of the working member II and the teeth of the connecting rod I mesh with each other; and the working member I is hinged to the connecting rod I, and the working member II is hinged to the connecting rod II. The tool is force-saving to operate, and can alleviate the defect of easily causing human fatigue due to unilateral operation.

The utility model discloses an automatic track shoe assembling and conveying line which comprises a main frame, a protective door plate is installed on the front side of the main frame in a sliding mode through a sliding rail, a passive jacking oil cylinder and an active press-fitting oil cylinder are fixedly installed at the two ends of the top of the main frame respectively, and a roller conveying line is arranged behind the main frame. A crawler belt positioning rail is fixedly arranged between the roller conveying line and the main frame, a crawler belt plate is placed on the crawler belt positioning rail, the protective door plate is connected with the main frame through a driving air cylinder, and an ejector rod is fixedly arranged at the output end of the driving press-fitting oil cylinder. According to the feeding buffer mechanism, the production efficiency can be improved, automatic equipment can continuously and stably work and is not influenced by human fatigue and speed limitation, the labor intensity of workers is reduced, compared with an original feeding buffer mechanism, the equipment failure rate can be reduced, the surface of a track shoe can be better protected, a track cannot be scratched, the specification and precision can be unified, and the production efficiency is improved. Personal errors are reduced, and product quality is improved.

This utility model provides a weighing instrument with automatic feeding function, belonging to the field of weighing instrument technology. It includes a base; a conveyor body disposed on top of the base; an automatic feeding assembly disposed on top of the base; and a metering assembly disposed on the outer surface of the automatic feeding assembly. The automatic feeding assembly includes a support, a storage bin, and an electric telescopic rod. A slot is provided on the top of the support, and a discharge bin is fixedly installed at the bottom of the support. A metering sensor is fixedly installed inside the discharge bin. This utility model, through the function of the automatic feeding assembly, can realize fully automatic material feeding and metering operations, effectively avoiding operational errors caused by frequent material addition and manual control of the material discharge amount during traditional manual feeding, as well as the problem of human fatigue caused by long-term repetitive work. This not only reduces human fatigue but also ensures the accuracy of the metering results.

This application discloses a method, apparatus, and electronic device for detecting human fatigue state information, belonging to the field of Internet of Things (IoT) technology. The method includes: acquiring a gait dataset and multiple preset peak thresholds; determining multiple anomaly ratios in the gait dataset based on the multiple preset peak thresholds, wherein each anomaly ratio corresponds one-to-one with a preset peak threshold; determining a target anomaly ratio from the multiple anomaly ratios, and setting the preset peak threshold corresponding to the target anomaly ratio as the target peak threshold, wherein the target anomaly ratio is the smallest among the multiple anomaly ratios; performing target processing on the gait dataset based on the target peak threshold to obtain a target dataset, wherein the target processing is used to correct the data in the gait dataset; and determining human fatigue state information based on the target dataset.

The application provides a flash fusion frequency detection device for objective measurement of human fatigue state, which at least comprises: the flash fusion frequency detection device (1) is integrated with a power line, a flash device (2) arranged on the surface of the flash fusion frequency detection device (1), and a detection result selection device (3) internally integrated with a flash frequency control module, a communication module, a storage module, a data processing module and a fatigue judgment module, and the fatigue condition of a detected person is determined through the judgment process of the data processing module and the fatigue judgment module under different conditions. The device can effectively prevent the subjective cheating behavior of the testee when detecting the flash fusion frequency of the human body, can finely manage the detection process, and can effectively reduce the deviation of the detection result caused by the misoperation of the detected person.

Embodiments of the invention provide a data processing method, a computing device, a computer readable storage medium and a program product. The data processing method comprises the steps of obtaining a to-be-processed short message and a prompt text corresponding to the to-be-processed short message; the to-be-processed short message and the prompt text are input into a short message evaluation model, an evaluation report output by the short message evaluation model is obtained, and the evaluation report comprises risk grades for grading the to-be-processed short message according to an auditing rule in the prompt text; according to the risk level in the evaluation report, determining an audit result corresponding to the to-be-processed short message; according to the technical scheme, the labor cost of overall auditing is remarkably reduced, the auditing efficiency is improved, the risk of missed auditing and false auditing caused by artificial fatigue can be reduced, and optimal balance of cost, efficiency and accuracy is achieved.

The utility model discloses a laboratory reagent shake-up device, relates to shake-up equipment technical field, swing shake-up mechanism includes fixed mount and first motor fixed connection on the support frame, the inner wall of fixed mount is rotatingly connected with the connecting rod, the surface of connecting rod is fixedly connected with two swing arm, and the swing arm is fixed on the support frame. The inner walls of the two swing arms are fixedly connected with a connecting shaft, the surface of the connecting shaft is slidably connected with a sliding sleeve, and the surface of the sliding sleeve is fixedly connected with a transmission shaft. By arranging the swing shaking mechanism, a reagent tube can be continuously swung instead of manual work, so that the reagent tube is shaken up, the workload of manual work is reduced, and the working efficiency is improved. Uneven reagent mixing caused by artificial fatigue is prevented, and the accuracy of experimental data is ensured.

The utility model relates to a feeding mechanism for annular workpieces. The feeding mechanism comprises a feeding module and a feeding module. The feeding module comprises a strip-shaped mounting seat for placing a plurality of workpieces in sequence and a material pushing assembly for pushing the workpieces to move towards the material waiting position; the feeding module comprises a fixing block for placing a single workpiece, a second clamping assembly for fixing the single workpiece on the fixing block, a first driving assembly and a rotating assembly; a profiling groove matched with the outer contour of a workpiece is formed in the surface of one side of the fixing block. The material pushing assembly pushes the workpiece into the profiling groove along the strip-shaped mounting base; the feeding mechanism for the annular workpieces is ingenious in structural design, automatic feeding and feeding of the workpieces are achieved, manual intervention is reduced, the production automation degree is improved, repeated manual labor is replaced with the feeding mode, the labor intensity of operators can be remarkably reduced, errors caused by factors such as human fatigue and inattention are reduced, and the production efficiency is improved. And the reliability of the production process is improved.

The application discloses a man-machine cooperation assembly balancing method considering fatigue, which comprises the following steps: introducing relevant data and an assembly constraint relation matrix; introducing system parameters; then establishing an initial population, adopting a Pareto domination ordering on the initial population, putting a Pareto optimal solution in the initial population into an archive, and establishing an initial archive; initializing a speed matrix, and optimizing the population by adopting an improved artificial fish school algorithm; updating the speed matrix, then generating a new population according to the speed matrix; and finally outputting an optimal scheme under a condition that a decision maker has no preference by adopting a fuzzy correlation entropy analysis method. The application introduces the consideration of human fatigue in the man-machine cooperation assembly line balancing problem, optimizes total fatigue and fatigue smoothness as a target function, simultaneously considers the influence of fatigue on the working efficiency of workers in the assembly process, tries to reduce the health risk of workers due to work, and simultaneously improves the accuracy of the model.

The utility model discloses chemical feeding equipment for firecracker processing. The chemical feeding equipment comprises a fixed bottom plate, a controller, a material injection mechanism, a conveying mechanism and a clamping and conveying mechanism, wherein the controller, the material injection mechanism, the conveying mechanism and the clamping and conveying mechanism are arranged on the fixed bottom plate. The firecracker cylinder is clamped through the clamping and conveying mechanism, accidents caused by friction, static electricity or errors in manual operation can be avoided, the risk of personnel contact is reduced to the maximum extent, continuous work can be achieved, and efficiency reduction caused by manual fatigue is avoided.

The utility model discloses a full-servo shoulder injection and cap screwing all-in-one machine, and relates to the field of automatic production, the full-servo shoulder injection and cap screwing all-in-one machine comprises a workbench, a cap screwing machine is fixedly mounted in the center of the upper surface of the workbench, a first rotating disc is fixedly mounted on one side of the upper surface of the workbench, and a second rotating disc is fixedly mounted on the other side of the upper surface of the workbench; according to the cap screwing machine, by means of cooperation of the power mechanism and the placing mechanism, the fixing position and strength of a cap can be more accurately controlled, the situation that the cap is not normally clamped on the rotating disc due to human factors is reduced, the risk that the cap is damaged in the clamping process of the cap screwing machine can be reduced, and the cap screwing machine is more convenient to use. And the product quality is improved, continuous and stable work can be achieved, the influence of human fatigue and speed reduction is avoided, the safety and stability of the operation process can be ensured, and the safety accident risk caused by human misoperation is reduced.

The present invention relates to a human-machine collaboration control method and related devices based on human fatigue perception, which construct a paired arm skeleton muscle model and a robotic arm model; obtain the expected joint angle and expected muscle force operation degree; obtain the terminal force and joint angle of the arm skeleton muscle model, and obtain the muscle force operation degree related to muscle fatigue according to the terminal force and joint angle; determine the target joint speed of the arm skeleton muscle model according to the muscle force operation degree, the expected joint angle and the expected muscle force operation degree; obtain the motion parameters of the robotic arm model according to the target joint speed; realize the combination of the human skeleton muscle model and the robotic arm model, reproduce the motion of the human object, obtain the muscle activation degree in real time to evaluate the human fatigue degree; optimize the muscle activation degree by optimizing the muscle force operation degree to determine the optimal motion process, and realize comfortable human-machine collaboration.

The utility model discloses a device for testing the pulling resistance of a face towel, and relates to the technical field of face towel detection. The bevel gear transmission mechanism comprises a fixed seat and two auxiliary bevel gears. According to the face towel clamping and limiting device, a face towel is conveniently clamped and limited through the two mechanical claws, a reinforcing rod and a main bevel gear are conveniently driven to rotate through a first driving source, an auxiliary bevel gear meshed with the main bevel gear is conveniently driven to rotate through the main bevel gear, a first lead screw and a second lead screw are conveniently driven to rotate, and a longitudinal connecting plate is conveniently driven to be separated; the auxiliary hinge seat can be correspondingly inclined under the hinge action of the main hinge seat and the auxiliary hinge seat, the face towel can be conveniently clamped and pulled towards the two sides, a detector can observe the pulling condition of the face towel, for example, whether breakage or wadding falling occurs or not, and the detection efficiency is improved. Compared with manual pulling detection, more physical strength is saved while pulling resistance detection on the face towel is facilitated, and the situation that the accuracy of a pulling resistance detection result is affected due to human fatigue is avoided.