43results about How to "Real-time evaluation" patented technology

The invention discloses an electric arc stud welding waveform testing device and a quality evaluating method thereof. The electric arc stud welding waveform testing device implements waveform processing to electric current signals through a hardware waveform processing system and a software waveform processing system in the stud welding process, obtains the electric current waveform in the stud welding process, further obtains five quality parameters including arc generating time, an average value of electric arc burning currents, a fluctuating range of the electric arc burning currents, arc burning time and an instantaneous electric current value before arc blowout, contrasts the five quality parameters with standard waveform parameters, and consequently gives quick quality evaluation of finished welding. The quality evaluating method is a nondestructive and real-time test method, prevents a good welding adapter from being damaged in detection, can realize the 100 percent detection of the stud welding adapter, overcomes the detection omission problem that is caused by the fact that only 2 to 5 percent of the stud welding adapters are randomly inspected in traditional methods, and can simultaneously realize the detection with inner defects such as air holes and incomplete fusion and the like which are hard to be realized by the traditional appearance test methods.

The invention provides an urban road network brittleness evaluation method based on anomaly detection. The urban road network brittleness evaluation method comprises the following steps: A, identifying abnormal edges in an urban road network based on anomaly detection; b, proposing a road network brittleness evaluation method based on an abnormal index; c, proposing a road network brittleness evaluation method based on the abnormal region; and D, analyzing evolution characteristics of urban road network brittleness. According to the method, the road network brittleness evaluation method basedon anomaly detection is constructed by utilizing actual road network operation data, and a decision maker can intuitively analyze an anomaly generation period, a propagation period and a recovery period, so that a reasonable adjustment and control opportunity is selected; according to the geographical distribution condition of the abnormal area, key area adjustment and control are carried out preferentially; frequently-occurring abnormal road sections are excavated, road section level prevention and control and dispersion measures are provided, and therefore harm caused by road network brittleness is avoided or reduced; the method has the advantages of real-time performance, systematicness, easiness in research and judgment, wide application and the like.

The invention provides a focused-ultrasound treatment device and method and belongs to the technical field of focused-ultrasound treatment. The device and method are capable of solving problems that it is difficult for the prior focused-ultrasound treatment technology to accurately control a focal point position of focused ultrasounds and that real-time evaluation of a treatment effect is impossible. The focused-ultrasound treatment device includes: an ultrasonic treatment head used for emitting focused ultrasounds for treatment; an anatomy image obtaining unit used for obtaining an anatomy image of an ultrasonic action area; a temperature distribution obtaining unit used for obtaining temperature distribution information of the ultrasonic action area; and a monitoring image generation unit used for generating a monitoring image according to the anatomy image and the temperature distribution information, wherein the monitoring image includes the anatomy image of the ultrasonic action area and temperature distribution information at least near the focal point of the focused ultrasounds. The focused-ultrasound treatment method includes using the focused ultrasounds for treatment and generating the monitoring image in a treatment process.

The invention relates to a battery health state identification method, namely a real-time evaluation method for the health state of a battery. The method includes a feature extraction part and a stateidentification part. The health state of the battery is classified according to relation between the internal resistance of a power battery and a battery life. The terminal voltage, current and SOC original data in different states of the battery are obtained. A wavelet packet energy method is used to extract energy value features from the original data, and a characteristic vector used for a hidden semi-Markov model is established. Characteristic vectors in different states are used to train the hidden semi-Markov model in the corresponding states. Test data is substituted into the trained hidden semi-Markov model of the different states to calculate a forward probability value, and the health state of the battery at present is obtained by comparison. According to the method of the invention, complex parameter configuration is not needed, and the health state of the battery at present can be identified accurately in real time.

The invention discloses an operation and maintenance management platform and method based on an unstructuredstreaming videomanagement system. The platform comprises a video quality diagnosis unit, a network management unit, a storage management unit, an intelligent diagnosis terminal and an easy maintenance management platform; the video quality diagnosis unit is used for diagnosing the video quality of a video monitoring system, the front end of the network management unit is connected with the video monitoring system, the storage management unit is used for storage management on video information of the video monitoring system, the intelligent diagnosis terminal is used for video monitoring network and power diagnosis, and the easy maintenance management platform is used for unified scheduling; and the platform further comprises a patrol terminal and a client terminal, which are connected with the easy maintenance management platform to realize information interaction. The platform and the method realize automatic and intelligent operation and maintenance, active alarm and automatic dispatch, improve the maintenance efficiency, reduce the maintenance input, and achieve the effectof high fault emergency response speed by synchronousmanagement on a patrol task and patrol personnel.

The invention provides a method and a system for identifying overhaul data of a relay protection device. The method comprises the steps of acquiring a protection event sent by an information protection system; if the protection event is an exit protection event, determining the exit protection event received within a preset time; if the quantity of the exit protection events exceeds the preset quantity, and the current fixed protection value is the preset protection resetting value, comparing the current fixed protection value with the fixed protection value obtained by previous polling; if the current fixed protection value is not the protection resetting value, setting the current fixed protection value as the preset first fixed protection value; determining the soft strap value, three-phase voltage value and protection version number by the same way; adding the obtained total action times, interrupting connection times, action time and overhaul times of the protection device to obtain the adding result; if the adding result is within the preset first range, determining that the protection event is overhaul data; if the adding result is within the preset second range, determining that the protection event is the action data. With the adoption of the method and the system, the information protection overhaul data can be effectively identified by analyzing the protection device body information.

The invention provides an apparatus used for determining thermal contact resistance between a high-temperature steel plate and a die in the process of hot stamping. The apparatus comprises a pressure applying unit, a determination unit and a resistance data acquisition module, wherein the determination unit comprises a sample determination tool, a standard module tool and a standard sample tool, the sample determination tool, the standard module tool and the standard sample tool are respectively connected with the resistance data acquisition module, the pressure applying unit comprises a pressurization device, an upper workbench and a lower workbench, the pressurization device is respectively connected with the upper workbench and the lower workbench, and the sample determination tool comprises an upper tool, a lower tool and a sample fixing tool. The invention also discloses a method used for determining the thermal contact resistance between the high-temperature steel plate and the die in the process of hot stamping. According to the invention, the thermal contact resistance is indirectly obtained by testing a contact resistance on a contact interface, and the problems of low detection precision and incapability of real-time continuous evaluation of the thermal contact resistance of a contact interface during heat transfer process in testing of thermal contact resistance in the prior art are overcome.

The invention discloses a method for evaluating a health index of a real-time state of a transformer, which comprises the following steps of: (1) formulating the health index of the transformer for representing the capability degree of maintaining the specific performance of the transformer, and selecting six types of core dynamic parameters capable of representing the state of the transformer according to the characteristics of the transformer; (2) determining a degradation degree and a corresponding deduction value of each type of core dynamic parameters according to a set evaluation guide rule, and determining a weight coefficient of each type of core dynamic parameters to form a state evaluation system; and (3) calculating the score according to the deduction value of the core dynamicparameter in the state evaluation system, and forming the health index of the real-time state of the transformer. According to the method, real-time and quantitative equipment state evaluation can becarried out on the transformer, so that operation and maintenance personnel can grasp the change trend of the equipment state in real time, fine and real-time evaluation and state prediction of the equipment state are realized, and a basis is provided for active operation and maintenance and intelligent decision making of the equipment.

The invention discloses a dynamic crack leaking stoppage evaluation experiment device and experiment method. The dynamic crack leaking stoppage evaluation experiment device comprises a crack simulation experiment instrument, and the crack simulation experiment instrument is provided with a dynamic crack simulation mechanism. The dynamic crack leaking stoppage evaluation experiment device can simulate the dynamic change process of cracks from closing to opening. The experiment method can be used for researching the width change range of the cracks which can be plugged in a self-adaptive mode under the matching of different leaking stoppage materials and different dosages, further can be used for quantitatively researching the influence rule of rheological parameters and hydraulic parametersof the drilling fluid on the stability of the leaking stoppage layer in the dynamic cracks, the leaking stoppage process of the dynamic cracks are simulated, and the leaking stoppage effect and leaking stoppage position in the dynamic cracks are monitored and evaluated in real time.

The present invention provides a vocal print identification method, an electronic device and a computer readable storage medium. The vocal print identification method comprises the steps of: obtainingvoice data to be analyzed; extracting change factor features in the voice data; performing misjudgment classification of the voice data according to the change factor features through a fallible point classifier to obtain the relative misjudgment probability of the voice data being misjudged in K sub systems; determining the offset of the relative misjudgment probability corresponding to any onesub system and the average relative misjudgment probability of the K sub systems, and calculating the final fusion weights of the corresponding sub systems according to the offset; and performing weighing of the identification result of each sub system according to the final fusion weight, and obtaining an integrated identification result according to the identification result of each sub system after weighing.

The invention discloses a primer pair group for detecting modification difference of cytosine deaminase and a related molecular gene in cfDNA and a kit. The invention firstly discloses the primer pairgroup for detecting epigenetic modification difference of the cytosine deaminase and the related molecular gene in free DNA of peripheral blood. The primer pair group consists of nucleotide sequencesshown as SEQ ID No.1 to SEQ ID No.15. The invention further discloses the kit containing the primer pair group. The primer pair group for detecting the epigenetic modification difference of the cytosine deaminase and the related molecular gene in the free DNA of the peripheral blood and the kit, disclosed by the invention, have high sensitivity and specificity in detection, and important value for risk prediction and therapeutic effect evaluation of tumors.

The invention belongs to the technical field of biology, and relates to a method for quantitatively and traceably studying mussel mucoprotein degradation. The method comprises the steps that 1, aftermussel mucoprotein is combined with radioactive elements or a fluorescent reagent, a polymer is formed through intermolecular cross-linking, or the mussel mucoprotein covers a biomedical material to be cured, and mussel mucoprotein microballoon spheres are formed; 2, an in-vitro model and an in-vivo model are built; 3, by means of the in-vivo or/and in-vitro model, increase of a marker in supernate and reduction of the marker on the mussel mucoprotein polymer/covered microballoon spheres are qualitatively and quantitatively measured, and therefore the degradation characteristic and degradation rate of the mussel mucoprotein in different environment are determined. According to the method, the defect of the biomedical macromolecule degradation research methodology is overcome, and the study method is dynamic and quantitative.

The invention provides a teaching quality detection method and system for a smart classroom, and relates to the technical field of smart classrooms. The method comprises the steps of firstly obtaining audio and video data of teacher teaching and audio and video data of student listening, and then obtaining induction data of teacher teaching content, a proportion of knowledge point content covered by the teaching content and an overall concentration degree of student listening according to the audio and video data of teacher teaching and student listening. And calculating a comprehensive teaching quality evaluation value based on the induction data of the teaching content of the teacher, the content proportion of the knowledge points covered by the teaching content and the overall concentration degree of the students in class, and further comprehensively detecting the teaching quality according to the comprehensive teaching quality evaluation value. According to the embodiment of the invention, the teaching quality can be evaluated comprehensively and specifically in real time from the two aspects of teachers and students, so that the teachers can take targeted measures in time according to the learning states of the students, and the school can also give suggestions according to the teaching states of the teachers to improve the teaching quality.

The invention discloses a primer pair and a kit for detecting P53 gene epigenetic modification difference in peripheral blood free DNA. The primer pair for detecting P53 gene epigenetic modification difference in peripheral blood free DNA disclosed by the invention is prepared from nucleotide sequences shown from SEQ ID No.1 to SEQ ID No.10 of a sequence table. The invention further discloses thekit containing the primer pair. According to the primer pair and the kit for detecting P53 gene epigenetic modification difference in the peripheral blood free DNA disclosed by the invention, the detection has high sensitivity and specificity and has important value in tumor risk prediction and curative effect evaluation.

The invention relates to a visual task mental load quantitative evaluation method and system. The method comprises the steps: firstly constructing an information structure diagram of each task sub-interface on an information display and control task interface based on a given information display and control task interface, and calculating the information complexity of each task sub-interface according to the information structure diagram of each task sub-interface based on the Shannon theorem; then calculating the visual task demand load and the visual personnel working capability of each task according to the information complexity, and calculating the mental load and the maximum residual mental load of the tester for completing each task by utilizing the visual task demand load and the visual personnel working capability; and finally, according to the mental load and the maximum residual mental load, processing and quantifying the mental load occupancy rate of each task of the tester in the task process, thereby realizing real-time and quantitative evaluation of the mental load.

The invention discloses a moisture intrusion degree monitoring and evaluating method for a power cable terminal. The method comprises the following steps: arranging a cable terminal moisture intrusioninspection device at a terminal part when a power distribution network cable is laid; and monitoring the internal humidity of the cable terminal by using an inspection device, and judging whether theinspection device continuously monitors the internal humidity of the cable terminal or evaluates the moisture intrusion degree of the cable terminal. The method has the beneficial effects that a moisture phenomenon of the urban power distribution network cable terminal can be efficiently, accurately and conveniently evaluated in real time, the problem of terminal explosion caused by moisture intrusion in the cable terminal is avoided, and reliable operation of the method is realized. The moisture intrusion degree of the power cable terminal can be evaluated, and a basis is provided for further exploring the internal insulation state of the cable terminal.

The invention relates to a multi-core optical fiber composite carrier cable production device which comprises an optical fiber pay-off rack, a stainless steel plate pay-off rack, a coating mechanism, a primary stranding mechanism, a secondary stranding mechanism and a pay-off rack, wherein the coating mechanism, the primary stranding mechanism, the secondary stranding mechanism and the pay-off rack are sequentially arranged from front to back, and the coating mechanism comprises a base. An insulating coating assembly, a coating assembly and an online welding assembly are sequentially arranged on the base from front to back. Stainless steel coating and two-wire twisting are successively carried out on the multi-core optical fiber, so that the strength of the optical fiber is improved, the problem that the optical fiber is easy to break when the current optical fiber carrier cable is subjected to high-strength mechanical external force is solved, the damage of the surrounding environment to the optical fiber can be prevented, real-time monitoring, real-time evaluation and real-time alarm of the carrier cable are realized, the operation and maintenance quality of a contact network system can be greatly improved, and even if an individual optical fiber is broken, the signal transmission of the whole multi-core optical fiber is not influenced.

The present invention discloses an intelligent aggregate that is capable of sensing water content information inside a hydraulic building, and the intelligent aggregate comprises a graphene-modified hydrogel composite material, a pipe body, an electric bridge resistance collecting system, a signal transmission system, a computer monitoring and analyzing terminal, and a casing. The pipe body coversthe periphery of the graphene-modified hydrogel composite material, and restrains the expansion of the graphene-modified hydrogel composite material in the radial direction. The electric bridge resistance collecting system is connected to interior of the graphene-modified hydrogel composite material, and the signal transmission system is connected to the electric bridge resistance collecting system, and the signal transmission system is connected to the computer monitoring and analyzing terminal through a wireless signal. The intelligent aggregate adopts the integrated intelligent technology.Operating is simple, and the intelligent aggregate is buried in each individual part of hydraulic buildings. The water content information of the different hydraulic buildings as a whole can be comprehensively monitored in a long-term basis, in the same time, monitoring is not affected by manual operation and environmental impact, monitoring results are authentic an reliable, and an effective standard is provided for the structural safety of various types of hydraulic buildings.

The invention provides an urban and rural black and odorous water body blackness evaluation method. The method comprises the following steps: step 1, obtaining a color image of an RGB space of a black and odorous water body river channel; 2, converting a color image of an RGB space of the river channel image into an HSV color space; 3, performing image main color feature extraction on the HSV color space by using a K-means clustering method; 4, sorting main colors, and returning the RGB data of the image; 5, introducing a gray model to calculate a main color gray value Gray; and 6, analyzing the closeness degree of R/G/B three-color channels and black, and judging the blackening condition of the water body. The method is an independent evaluation method capable of judging blackening and blackening degree of the water body, so that the evaluation accuracy of the blackening degree of the water body is improved.