18 results about "Life condition" patented technology

The invention discloses a GaN HEMT discrete multi-stage active gate driver and a driving method, and relates to the technical field of gate drivers, and the driver comprises a PWM generation module which outputs a PWM high-frequency signal; the driving signal generation module is used for generating a driving signal through a logic gate combination PWM signal and adjusting a driving stage; the gate driving module comprises two independent dual-channel gate drivers, each driver is provided with two independent driving units, each driving unit comprises a driving stage, and the driving stages are controlled through driving signals to enable the GaN HEMT to have discrete gate resistance values; and the device service life condition prediction module is used for optimizing an active grid driving strategy by collecting dynamic electrical parameters and thermodynamic parameters of the device in real time. According to the invention, switching oscillation and voltage and current overshoot generated by the GaN HEMT at an ultrahigh switching speed are effectively suppressed, real-time service life prediction and active protection of the GaN HEMT are realized, and the system reliability is improved.

The invention discloses an LSTM integrated residual life prediction model based on multi-dimensional data processing, and the model comprises the following steps: S1, selecting a measurement point of a device, and collecting the signal data of the measurement point, the data types comprising a temperature signal and a vibration signal; s2, performing data preprocessing on samples in the data set, deleting columns of which the data missing value proportion is higher than a threshold value a, and filling rows of which the data missing value proportion is lower than a threshold value b; carrying out feature engineering processing on the preprocessed data to obtain features capable of being input into the LSTM model; s3, constructing a plurality of LSTM models, and adopting a network serial integration strategy to accurately predict the residual life of the equipment; and S4, testing the test set by using the trained integrated neural network model to obtain a prediction result of the residual life of the equipment. According to the method, multi-dimensional measurement point data is utilized, prediction is carried out in the trained LSTM models through the collected data, and the service life condition of the equipment is effectively reflected.

A propulsion system includes an electrical assembly and a controller. The electrical assembly includes at least one contactor and a sensor assembly. The at least one contactor is switchable by a switching operation between an open condition and a closed condition. The controller is connected in signal communication with the sensor assembly. The controller is configured to determine, using the sensor assembly, an electrical energy of the at least one contactor for each switching operation of the at least one contactor to determine a cumulative electrical energy for the at least one contactor and identify a presence or an absence of an end-of-life condition for the at least one contactor by comparing the cumulative electrical energy to an end-of-life energy threshold. The presence of the end-of-life condition is identified where the cumulative electric energy exceeds the end-of-life energy threshold.

The invention discloses a rotating machine equipment life analysis method and system, and belongs to the technical field of mechanical equipment life prediction, and the method specifically comprises the steps: collecting data related to the life of rotating machine equipment, carrying out the preprocessing of the collected data related to the life of the rotating machine equipment, and carrying out the analysis of the life of the rotating machine equipment according to the obtained data related to the life of the rotating machine equipment; establishing a rotating machine equipment life analysis model, predicting the life of the rotating machine equipment by using parameter values of the rotating machine equipment life analysis model and the adjustment model, analyzing the life condition of the rotating machine equipment according to a prediction result, finding out an existing risk, and formulating a corresponding maintenance plan or measure. Compared with the prior art that the service life prediction model of the rotating machine equipment is directly trained through the equipment operation data, the precision of predicting the residual service life of the rotating machine equipment is greatly improved, and manpower is saved.

The invention relates to the technical field of endowment service evaluation, in particular to a family endowment ability evaluation method, device, equipment, medium and program, and the method comprises the steps: inputting life condition data, nursing support data and emotion support data into a trained target language model, calling a pre-established service evaluation system by the target language model, mapping the life condition data, the care support data and the emotion support data to pre-established evaluation indexes in a family old-age care ability evaluation system, and calculating a quantitative score of the corresponding evaluation index according to mapping data corresponding to each evaluation index; and identifying a weight corresponding to each evaluation index, and generating a family old-age care ability evaluation result according to the quantitative score of each evaluation index and the corresponding weight. Therefore, the problems of low data processing efficiency, one-sided evaluation dimension, insufficient evaluation result precision, large error and the like caused by a manual evaluation mode in related technologies are solved.

The invention provides a surgical instrument service life indication information adjusting method and a surgical robot, and relates to the technical field of medical instruments, and the surgical instrument service life indication information adjusting method comprises the steps that service life indication information of a surgical instrument and real service life information of the surgical instrument are acquired, and the service life indication information is service life information indicated by a service life indication shaft of the surgical instrument; determining a life difference between the life indication information and the real life information; and adjusting life indication information of the surgical instrument based on the life difference. The service life indication information of the surgical instrument can be corrected based on the real service life information of the surgical instrument, so that the service life indication information of the surgical instrument is consistent with the real service life information, and the accuracy and precision of the service life indication information of the surgical instrument reflecting the real service life condition are improved; a user can obtain the real service life condition of the surgical instrument without depending on additional system query operation, and convenience and reliability in the surgical preparation process are improved.

A polishing system includes a robotic polishing assembly, a belt removal assembly, and a controller. The robotic polishing assembly includes an end effector. The end effector includes a polishing arm, a motor, and a tool head. The tool head extends along a lengthwise axis between and to an inner end and a tip end. The tool head includes a belt tensioner, a roller, and an abrasive belt. The belt tensioner is configured to bias the tip end outward from the inner end. The abrasive belt is disposed on the motor and the roller. The belt removal assembly includes a first lateral arm, a second lateral arm, and a back stop. The controller includes a processor in communication with a non-transitory memory storing instructions, which instructions when executed by the processor, cause the processor to: identify an end-of-life condition is present for the abrasive belt and remove the abrasive belt from the tool head.

The application discloses a kind of life consumption detection method and device of mechanical hard disk, it is related to the life detection field of mechanical hard disk, first, the life influence information of mechanical hard disk in current period is acquired, the information includes one or more of the vibration amplitude of the temperature value of mechanical hard disk, disk in mechanical hard disk and the information of ECC generated by mechanical hard disk, according to the relationship between these life influence information and life consumption to determine the life consumption degree corresponding to each life influence information, finally, according to the life consumption degree of mechanical hard disk in current period and the current life of mechanical hard disk, the new current life of mechanical hard disk is determined, based on this, the current life of mechanical hard disk can be periodically determined, so as to execute corresponding operation in time according to the life condition of mechanical hard disk, avoid various situations caused by the life of mechanical hard disk is too low, and further avoid economic loss.

The application discloses a tool life monitoring type target object pre-separation device based on a random forest regression algorithm and belongs to the field of artificial intelligence cognitive mechatronics. A cutter spacing adjusting mechanism is installed above a tool holder assembly and a support sheet metal assembly, a horizontal linear slide rail guide assembly is installed below a slide rail guide support assembly, and the slide rail guide support assembly is installed above the support sheet metal assembly. The tool holder assembly is installed below the horizontal linear slide rail guide assembly, and the support sheet metal assembly is connected with a longitudinal screw sliding assembly and a longitudinal optical axis sliding guide assembly respectively. Two ends of the longitudinal screw sliding assembly and the longitudinal optical axis sliding guide assembly are installed on end faces of upper and lower square plates of a rack, a manual rotary positioning table assembly is installed on an end face of a lower square plate of the rack, and a motor driving chain assembly is installed at a lower end of the lower square plate of the rack and connected with the longitudinal screw sliding assembly. The application can predict and display the life condition of a tool and also can adjust the distance between cutters.

The utility model discloses a movable beekeeping platform with transition and living functions, which is matched with transportation equipment for use and comprises a main platform provided with living space, a foldable platform capable of being unfolded and folded is arranged on the rear portion of the main platform, a platform lifting device is arranged on the main platform, and the platform lifting device is connected with the movable beekeeping platform. And lifting support devices are arranged at the bottoms of the main platform and the folding platform. According to the utility model, the fundamental transformation from the original hostile living environment such as the hostile living environment to the home living environment is realized, the living condition of the bee-keeping transition operation is improved, the breakthrough of the bee-keeping transition operation from the original shoulder carrying to the whole-course mechanization is also realized, and the labor intensity of the bee-keeping transition operation is reduced.

The utility model discloses a guide rail multi-load service life detection device, which comprises a base, a cavity is arranged in the base, a driving mechanism is arranged in the cavity, two sides of the top of the driving mechanism are respectively and fixedly connected with a supporting plate, a top plate is fixedly connected between the tops of the supporting plates on the two sides, and the top plate is fixedly connected with the driving mechanism. The bottom of the top plate is fixedly connected with a pressure pump; a to-be-detected guide rail is installed on the surface of the base, the guide rail is slidably connected with a sliding block, the top of the sliding block is fixedly connected with a pressure plate, the top of the pressure plate is fixedly connected with a sleeve, and the sleeve is connected with the telescopic end of a pressure pump in a matched mode. The driving mechanism drives the slide block to move back and forth on the guide rail, and the telescopic end of the pressure pump applies pressure to the slide block through the sleeve and the pressure plate, so that the service life of the guide rail under different pressures is tested, and the working condition that the guide rail bears different acting forces in actual use is simulated; therefore, the durability and the service life of the guide rail can be effectively evaluated.

The invention discloses a CANoe-based power battery relay instruction opening and closing life test method and system. The test method comprises the following steps: establishing a hardware test platform based on a VectorVN1600 interface card; parameter configuration, panel design and script writing are carried out on the CANoe project through a computer, power-on and power-off instructions are written into different conditions of code circulation in sequence, and instruction sending is achieved during running; running a CANoe project, starting and stopping a test through a switch on a Panel panel, and recording message data of all communication ports through CANoe software; when the circulation is finished, automatic stop is realized, and a user can check strategy instruction execution and relay opening and closing life conditions through data playback; and after the test is completed, analyzing test data, and evaluating whether the power-on and power-off strategy and the relay on-off life meet design requirements. The scheme is automatic, efficient, convenient, accurate and high in reduction degree.

The invention relates to the technical field of coal mine underground reservoir monitoring, in particular to a coal mine underground reservoir service life monitoring method and system. The method comprises the following steps: acquiring a water surface area of a coal mine underground reservoir, dividing the coal mine underground reservoir into a plurality of life prediction areas, and deploying data acquisition equipment for each life prediction area; historical data and current data of the life prediction area are obtained, and the life condition of the life prediction area is judged; integrating the service life conditions of the plurality of service life prediction areas, judging the service life grade of the coal mine underground reservoir, and outputting; the system comprises a regional data acquisition module, a regional life prediction module and a data integration judgment module. The coal mine underground reservoir is divided into a plurality of life prediction areas for the water surface area, life prediction is carried out on each life prediction area, then integration is carried out to obtain the coal mine underground reservoir life grade, and the accuracy of the coal mine underground reservoir life monitoring result is improved.

The invention relates to a method and device for determining the pipe wall thickness of an injection-production pipeline. The method comprises the steps that material parameters of the injection-production pipeline, working condition information of the injection-production pipeline under a target working condition and the alternative thickness of the pipe wall of the injection-production pipeline are obtained; according to the material parameters, the working condition information and the alternative thickness, the maximum equivalent stress of the injection-production pipeline under the target working condition is determined; if the maximum equivalent stress meets a preset stress condition, stress fatigue simulation is conducted on the injection-production pipeline based on the maximum equivalent stress, and the minimum fatigue life is obtained; and if the minimum fatigue life meets a preset life condition, determining the alternative thickness as a target thickness. On the basis of ensuring that the pipeline meets the mechanical property requirement and the design service life requirement under the target working condition, accurate, low-cost, safe and reliable selection of the pipe wall thickness of the injection-production pipeline can be achieved, excessive surplus of the pipeline performance is avoided, and the engineering cost is saved.

The invention discloses an aero-engine emergency control method and device based on situation assessment, a medium and equipment, and the method comprises the steps: obtaining a minimum relative distance between an aircraft and a missile through simulation, comparing the minimum relative distance with a missile damage range, and generating an external situation assessment result; taking the high-pressure turbine guide blade as a short-life plate element part, obtaining the thermal mechanical fatigue life of the blade based on a material strain-life curve, and generating an internal life evaluation result; on the basis of the external situation evaluation result and the internal life evaluation result, the limit value of the engine parameters is adjusted, an emergency control instruction is generated and input to a pre-constructed emergency thrust increasing control system, the limit performance of the engine is dynamically improved, emergency control over the aero-engine is achieved, and the reliability of the aero-engine is improved. According to the method, the flight situation of the aircraft and the service life condition of the aero-engine are evaluated, and the limitation of part of engine performance parameters is properly relaxed, so that the aircraft can better cope with complex task requirements.

An operating method of a memory controller is provided. The method can include receiving a state analysis request of a memory from a host, determining a fragmentation state of the memory, determining a life condition of the memory, generating an analysis result indicating whether garbage collection is limited based on the fragmentation state and the life condition, and providing the analysis result to the host.

An object of a system according to an embodiment is to comprehensively monitor a living situation and a health condition of an elderly person and provide appropriate support.SOLUTION: A system according to an embodiment includes a monitoring function, health management support, a smart home, and dementia prevention / support. The monitoring function monitors the living situation of the elderly person. The healthcare support monitors health data of the elderly person. The smart home supports the living environment of the elderly. The dementia prevention / support monitors cognitive states and behavior patterns of elderly people.SELECTED DRAWING: Figure 1

A method determines a service life condition of a torsional vibration damper or absorber having a primary mass and a secondary mass, and a working chamber arranged between the primary mass and the secondary mass that is filled with a viscous damping medium. The vibration damper is arranged on a crankshaft of an engine in order to dampen or eliminate torsional vibrations of this crankshaft. The method includes: operating the engine; determining at least one operating parameter of the engine; simulating a temperature distribution of the viscous damping medium in the working chamber; and determining a lifetime condition of the vibration damper based on the operating parameter of the engine and the result of simulating the temperature distribution of the viscous damping medium.