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8 results about "Human fatigue" patented technology

Layered cooperative walking aid control method for lower limb exoskeleton robot

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.
Owner:GUIZHOU UNIV +1

A weighing instrument with automatic feeding function

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.
Owner:BAOTOU INSPECTION & TESTING CENT

Method, device and electronic equipment for detecting human fatigue state information

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.
Owner:CHINA MOBILE (SUZHOU) SOFTWARE TECH CO LTD +1

A flash fusion frequency detection device for objective measurement of human fatigue state

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.
Owner:STATE GRID SHANDONG ELECTRIC POWER CO +2

Data processing method, computing device, computer readable storage medium and program product

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.
Owner:ALIBABA HEALTH TECH (CHINA) CO LTD

Laboratory reagent shaking device

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.
Owner:HUAYU BIOTECHNOLOGY (TENGCHONG) CO LTD +1

Method for balancing human-robot collaborative assembly line considering fatigue

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.
Owner:HEFEI UNIV OF TECH

Chemical adding equipment for firecracker processing

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.
Owner:SHANGLI COUNTY JINYU FIREWORKS & FIRECRACKERS MANUFACTURING CO LTD