78results about How to "Clear judgment" patented technology

The invention discloses a panoramic monitoring and linking control method and system for a fire-fighting robot of a transformer substation. The panoramic monitoring and linking control method comprises the following steps: acquiring image information of different perspectives of equipment in the station through an unmanned aerial vehicle, and assisting the fire-fighting robot of the transformer substation to establish an in-station three-dimensional model; in a fire-fighting robot operation process, acquiring image information in the transformer substation in real time through the unmanned aerial vehicle, and assisting the robot to determine position coordinates, in the station, of the robot; acquiring ignition equipment image information through the unmanned aerial vehicle, and determining an ignition point position; controlling the robot to perform path planning and spray angle regulating according to the robot position and the ignition point position; in a robot operation process, acquiring ignition point position image in real time through the unmanned aerial vehicle, determining current state information of an ignition point, and transmitting the current state information to the robot, and regulating a fire-extinguishing strategy according to the received current state information of the ignition point through the robot. The panoramic monitoring and linking control methodhas the beneficial effects that: the unmanned aerial vehicle and robot equipment share data and operate in a linked mode, so that more clear field information can be obtained, more correct judgment isfavorably made, and operation effect is improved.

The invention discloses a transfusion system with an information monitoring function, comprising a medical care monitoring center server and a plurality of multifunctional transfusion pumps, wherein the plurality of multifunctional transfusion pumps are in wireless communication with the medical care monitoring center server respectively, for collecting physiological parameters and transfusion information of transfusion patients and transmitting to the medical care monitoring center server; the medical care monitoring center server analyzes and processes the received physiological parameters and transfusion information, and when the physiological parameters and transfusion information of the patients are abnormal, the medical care monitoring center server and the plurality of multifunctional transfusion pumps alarms for prompt. The transfusion system with an information monitoring function provided by the invention can allow medical staffs to clearly and accurately judge various emergency situations occurring in the transfusion process of the patients, improve the work efficiency of the medical staffs, and reduce the mental burdens of the patients and caregivers. The transfusion system provided by the invention has the advantages of being convenient to carry, full in function, and low in costs and power consumption, and can be widely applied to the field of medical transfusion monitoring.

The invention discloses a bone malformation correction or fracture reduction and fixation device and a method for processing the same. The bone malformation correction or fracture reduction and fixation device comprises external fixation brackets or one and more external fixation plates, wherein the external fixation brackets or the external fixation plates are used for fixing fixation needles inserted into the bone tissues; at least one end of each fixation needle is exposed outside the skin, and the exposed end of the fixation needle needs to be fixed; the external fixation brackets consist of a first fixation bracket and a second fixation bracket; the external fixation plates are used for fixing all the fixation needles inserted into the bone tissues needing to be fixed. The method for processing the bone malformation correction or fracture reduction and fixation device comprises the following steps of: (1) collecting the information of an image before reducing the bone; (2) reducing the bone virtually by using a computer; (3) designing the structure of the bone malformation correction or fracture reduction and fixation device; and (4) processing the bone malformation correction or fracture reduction and fixation device. The bone malformation correction or fracture reduction and fixation device provided by the invention has a function of automatically reducing the bone, is reasonable in structure, has a good bone fixing effect and can be used for effectively overcoming the defects of difficult bone malformation correction or fracture reduction, complex operation on malformed or fractured bone and excessive dependence on the clinical experience of a doctor of the existing bone malformation correction or fracture reduction and fixation mode.

The invention discloses an oil-immersed transformer fault diagnosis method based on a self-adaptive genetic algorithm. The oil-immersed transformer fault diagnosis method comprises a subsystem execution step, a subsystem evaluation step and a rule discovery and optimization step. By analyzing and building the structure of a model system, a classifier superior to the existing classifier can be generated, so as to improve the overall system performance. On the basis of credit allocation, an excellent classifier rule is searched to prevent premature of the algorithm and obviate the trap of localoptimization. Due to the global searching characteristics of the genetic algorithm, the last fault rule searched by the system is the optimal rule, so that the transformer fault diagnosis method can achieve high accuracy in practical application. In addition, the method has simple and clear rule, is definite in determining the fault mechanism, and can provide great convenience for transformer equipment maintenance.

The invention provides a robot used for a martial arts arena contest, and belongs to the field of intelligent robots. The robot used for the martial arts arena contest comprises chassis components, two groups of infrared proximity sensors, an infrared distance measuring sensor, a grayscale sensor, a driving mechanism and a controller. The first group of infrared proximity sensors, the infrared distance measuring sensor, and the grayscale sensor are all arranged on the inner side of the margins of the bottom of the chassis components; the second group of infrared proximity sensors are arranged on the top of the chassis components; control input ends of the controller are electrically connected with the two groups of infrared proximity sensors respectively as well as with the infrared distance measuring sensor and the grayscale sensor; control output ends of the controller are electrically connected with the driving mechanism and the driving mechanism is fixedly connected with the chassis components. The two groups of infrared proximity sensors arranged top-and-bottom can collect information around the robot comprehensively and accurately, besides, the first group of the infrared proximity sensors are all arranged on the inner side of the margins of the bottom of the chassis components and do not protrude outside, and therefore the probability that the infrared proximity sensors are damaged is reduced.

The invention provides a diagnosis routing method and system based on an independent gateway. The method comprises: the independent gateway, multiple CAN lines, and a diagnosis tool; the multiple CAN lines are connected with the independent gateway, and comprise a diagnosis CAN and at least two CAN networks; the diagnosis tool is provided with a vehicular diagnosis port; the vehicular diagnosis port is connected with the diagnosis CAN, wherein the diagnosis routing method comprises the following steps of: selecting a specific node in the at least two CAN networks as a diagnosis node, and mapping a message sent by the diagnosis node to the diagnosis CAN, where the vehicular diagnosis port is. By means of the diagnosis routing method and system disclosed by the invention, an information source and an information receiver can be clearly judged; furthermore, load of a diagnosis network CAN-D can be reduced; the monitoring real-time performance and the security are improved; and more fine testing requests can be satisfied.

PURPOSE: A method for identifying the counterfeit of money is provided to discriminate the counterfeit in a naked eye by the change of the color and the clear difference of the waveform and wavelength between the original data and the data obtained from the counterfeit. CONSTITUTION: A method for identifying the counterfeit of money includes the steps of: irradiating the light from the light emitting device for the traveling money and discriminating the counterfeit of the corresponding money by comparing the data of the previously prepared original money with the data carried on the light after the irradiation, wherein the light emitting device includes at least one ultraviolet rays of light emitting device and the original data is compared with the data obtained from the transmitted or the reflected ultraviolet rays by reflecting the ultraviolet rays on the corresponding money.

The invention relates to a method and a system for scheduling vehicles. The method comprises the following steps of: A, acquiring vehicle information, wherein the vehicle information comprises a vehicle serial number, a vehicle state and a relative position; B, placing a vehicle icon corresponding to the vehicle serial number at a corresponding position of a virtual line scheduling graph according to the vehicle state and the relative position, wherein the virtual line scheduling graph comprises a line list which consists of a plurality of independent lines; each line comprises an uplink line, a downlink line, line description and the vehicle icon; and each vehicle icon corresponds to a vehicle with a specific serial number; and C, displaying the virtual line scheduling graph updated in the step B. The invention also discloses the system for scheduling the vehicles. The system comprises a vehicle information acquisition unit, a vehicle state judgment and processing unit, a display unit and a scheduling unit. The system realizes convenient, rapid and accurate monitoring and scheduling by the method for scheduling the vehicles visually by utilizing the virtual line scheduling graph.

The invention discloses a method for inspecting macrostructure defects of a titanium alloy raw material, which can be used for finding macrostructure unusual conditions of the titanium alloy raw material. With the adoption of the method, tissue genetic defects caused by unusual forging deformation of the titanium alloy raw material after blooming forging of a cast ingot can be detected. The method comprises the following steps: cutting out a macrostructure test piece with the thickness of 20mm+ / -3mm from the titanium alloy raw material; preserving the heat in a heating furnace with the temperature lower than a beta conversion temperature by 30-40 DEG C for 60 minutes till the temperature is raised to be higher than the beta conversion temperature by 15-20 DEC by power; preserving the heat for 30 minutes with the furnace temperature uniformity within + / -5 DEG C and then cooling by air; then corroding and observing a macrostructure. The method is applicable to inspection of the macrostructures of alpha-type, alpha-beta-type and near beta-type titanium alloy raw materials; the macrostructure defects of the titanium alloy raw materials can be judged directly and clearly and economic losses caused by the fact that the titanium alloy raw materials with the macrostructure defects are utilized to produce a forging piece can be controlled.

The invention discloses an air tightness detection system and relates to the technical field of bellows air tightness detection. The air tightness detection system includes an air tightness detectiontable, an inflating module, a pressure detection module, a processor, a comparison module and a terminal. According to the scheme, certain pressure intensity is formed in a bellows by filling the bellows with gas, and pressure intensity changes in the bellows are measured through a sensor after the inflation is stopped, to judge whether the bellows leaks air. Besides, a change value delta P is preset through the system, so that a product is automatically judged to be an unqualified product when a value exceeds delta P. The bellows is not polluted in the detection process, the automation degreein the detection process is higher, human input is saved, and the detection speed is quickened.

An electric potential difference detection method detecting an electric potential difference occurring between a surface of a sample and a probe of a cantilever of a scanning probe microscope includes: applying an AC voltage of a frequency of ½ of a resonance frequency of the cantilever, between the sample and the cantilever; detecting vibration characteristics of the cantilever; and judging an existence / nonexistence of the electric potential difference between the surface of the sample and the probe of the cantilever on the basis of the vibration characteristics of the cantilever.

The invention discloses an orthopedics department deformity correction and bone fracture reduction fixing device and a processing method of the fixing device. The fixing device comprises an outer fixing frame or an outer fixing plate, wherein the outer fixing frame or the outer fixing plate is used for fixing needles inserted into the bone tissue, at least one end of the fixing needles is exposed out of the skin, in addition, the end part, exposed out of the skin, of the fixing needles is the end to be fixed, the outer fixing frame comprises a first fixing frame body and a second fixing frame body, the outer fixing plate is a fixing plate used for fixing all of the fixing needles inserted into the bone tissue to be fixed, and the outer fixing plate comprises one or several fixing plate blocks. The processing method comprises the following steps of image information collection before reduction, computer virtual reduction, fixing device structural design and fixing device processing. The fixing device provided by the invention has the advantages that the automatic reduction function is realized, the structure is reasonable, the fixation effect is good, and the defects of reduction deformity correction difficulty, surgery operation complexity, overdependence on the clinic experience of doctors and the like in the existing bone fracture reduction or deformity correction process can be effectively overcome.

The invention provides a voice control method and a voice control system combined with human face information. The voice control method and the system provided by the invention can obtain the face information of a plurality of intelligent devices through one camera, thereby avoiding the situation that each device must be configured with a camera separately, and reducing the manufacturing cost of the intelligent device. And it can make the judgment of the target user more clear through the combination of face and voice, and realize the function of taking the instruction from the user with higher authority as the standard when multiple users use the system at the same time. By acquiring the eyeball information of the user to judge the manipulation target of the user, the judgment is more accurate, and the occurrence of misoperation is avoided.

The invention discloses a method for automatically positioning and identifying a target colony, which comprises the following steps of: acquiring and storing a color image of a culture dish containingthe colony, and carrying out morphological feature acquisition pretreatment on the color image to obtain a contour binary image of the colony and the culture dish; acquiring morphological characteristics of the bacterial colony according to the contour binary image; screening out independent bacterial colonies from the bacterial colonies according to preset screening conditions; calculating to obtain the number, position information and area characteristics of the independent colonies, and identifying target colonies from the independent colonies according to preset identification conditionsand the number and area characteristics of the independent colonies; and displaying and storing the position information and the image of the target colony. By the adoption of the method, independentand adhesion bacterial colonies can be distinguished, a solution is provided for automatic positioning and recognition of the target bacterial colonies, and the method has the advantages of being highin processing speed and recognition accuracy.

The invention provides an automatic control method for solution stirring. The method comprises the following steps of: S1, carrying out automatic stirring on a solution in a stirring container; S2, sampling the solution in the stirring container, testing and recording the light transmittance of samples; S3, drawing a spectral curve according to the obtained test values; S4, setting detection timelengths; S5, obtaining a difference value of a maximum value and a minimum value of the spectral curve in the nearest detection time length; S6, judging whether the difference value is less than or equal to a preset floating difference value, if not, returning to the step S5; and S7, if yes, stopping the stirring of the solution. According to automatic control method for the solution stirring, thejudgment of the degree of uniformity of the solution is clear and distinct, and the judgment standard is visualized. Moreover, the real-time detection according to the degree of uniformity of the solution is realized, so that the solution stirring is automatically controlled, thereby improving the intelligence and the automation of the solution stirring, and facilitating the improvement of the efficiency and the effect of the solution stirring.

The invention relates to a tuberculosis diagnostic composition and application of the tuberculosis diagnostic composition, in particular provides the tuberculosis diagnostic composition which consists of optional two or three of antigen ESAT-6 derived polypeptide, antigen CFP-10 derived polypeptide and antigen Rv3615c derived polypeptide. The invention also provides application of the tuberculosis diagnostic composition in a specific T cellular immune reaction caused by the detection of mycobacterium tuberculosis infection in vitro and application of the preparation of a tuberculosis diagnostic agent. Compared with the existing diagnostic technology, the diagnostic cost is reduced, the detection design and the operation process are simplified, and the detection sensitivity is obviously improved.

The invention discloses a method for carrying out quantitative evaluation on desulfurization energy efficiency of high-sulfur natural gas. The method comprises the following steps: firstly establishing a desulfurization energy efficiency evaluation system, determining main controlling factors, selecting a purified gas yield, desulfurization energy consumption and desulfurization selectivity as evaluation indexes, and determining a weighted value of each evaluation index; calculating or measuring an actual value of each evaluation index, setting a satisfaction value and an un-allowance value of each evaluation index, and carrying out comparison to solve a single effect coefficient of each evaluation index; and finally carrying out overall quantitative evaluation on the desulfurization energy efficiency according to the weighted value and single effect coefficient value of each evaluation index. By adopting the method for carrying out quantitative evaluation on desulfurization energy efficiency of high-sulfur natural gas, quantitative analysis is carried out on the desulfurization energy efficiency of the high-sulfur natural gas through calculation, so that technicians in the technical field can judge the desulfurization energy efficiency more quantitatively, clearly, visually and correctly.

The invention relates to a method for preparing N-phenyl succinimide. The method comprises the following steps: step 1, adding A mol of succinic anhydride and B mol of aniline to a reactor, heating the reactor to 100 to 140 DEG C, and refluxing for 30 to 60 min with stirring; and step 2, cooling a mixture obtained in step 1 to room temperature, adding C mL of water to the mixture, cooling to 3 to7 DEG C, adding a strong acid with stirring to adjust the pH to 3 to 4, extraction-filtering, washing, drying products at the temperature of 60 to 100 DEG C, and recrystallizing with water. So a white crystal N-phenyl succinimide is obtained with A:B being equal to 1:(1.2-2) and C being equal to 200A. The method with the heating temperature in the range of 100 to 140 DEG C allows the reaction to be mild, byproducts to be less, and the yield to be more than 80%.

The embodiment of the invention provides a signaling management method applied to operation and maintenance management equipment, and the method comprises the steps: obtaining an articulated naturality web data packet of an articulated naturality web node, and extracting signaling information in the articulated naturality web data packet; matching a signaling type through the signaling information; forming a signaling link through the signaling type, and judging whether the signaling link is completed or not; and if the signaling link is completed, storing the signaling link into a preset database. When the signaling link is finished, the signaling link can be managed by the address of the signaling according to the address of the signaling, and when the signaling link has a problem, it indicates that the articulated naturality web node has a fault. a faulty link is compared with a normal link to position where a faulty node is located, tracking signaling in the link of the signaling,clearly and quickly judging the position of the node in the link, realizing signaling tracking, and modifying an erroneous place; the fault condition can be reproduced, the operation management stepsare simplified, and the management efficiency is greatly improved.

The invention relates to molecular biology, and particularly provides a primer pair for detecting cow GART (genotypic antiretroviral resistance testing) mutant genetype. The primer pair is shown in SEQ ID No.1-2. The invention also provides a method for detecting the cow GART mutant genetype. The method comprises the following steps of PCR (polymerase chain reaction) amplification, enzyme digestion of amplification products, electrophoresis detection of enzyme digestion products and judgment of the genetype of a sample to be detected. By the primer pair, objective mutation sites of cow GART genes can be amplified, an amplified fragment comprises two other identical enzyme digestion sites, and a false positive result caused by incompletion of enzyme digestion or failing of an enzyme digestion reaction can be avoided, so that accuracy of detection is ensured.

The invention discloses a double-station trousers cutting device for clothing field and relates to the technical field of clothing. The double-station trousers cutting device comprises a base, supportlegs are fixedly mounted at the bottom of the base, a frame is fixedly mounted at the top of the base, a threaded rod is rotatably mounted on the inner walls of two sides of the frame, one end of thethreaded rod transversely penetrates the inner wall of the frame and extends to the outside of the frame, a first motor is fixedly mounted on the outer wall of the frame, and an output shaft of the first motor is positioned on the frame through a coupler and the threaded rod. The threaded rod, the first motor, first sliding blocks, a connecting rod, first sliding grooves, second sliding blocks, cutting blades, workbenches and first rotating shafts are used together, so that the double-station trousers cutting device for clothing field has a double-station cutting function, the working efficiency of the double-station trousers cutting device for clothing field is improved to a certain extent, and the double-station trousers cutting device for clothing field can be more convenient to operate to a certain extent.

The invention belongs to the technical field of biology, and particularly relates to a kit for rapidly detecting HLA-B*1502 and a detection method thereof. The kit provided by the invention comprises the following components: a dry powder reaction tube, A Buffer, B Buffer, an HLA-B*1502 primer Mix, LbaCas12a (Cpf1), crRNA, ssDNA, a colloidal gold test strip, a positive quality control product, a negative quality control product and the like. When the kit provided by the invention is used for detecting the HLA-B*1502, a result can be clearly, conveniently and effectively judged on the test strip, so that the detection result is visible to naked eyes, meanwhile, expensive and complex instruments are not needed, and all that is needed is an instrument capable of stably heating at 37 DEG C is needed.

The invention provides a robot used for a martial arts arena contest, and belongs to the field of intelligent robots. The robot used for the martial arts arena contest comprises chassis components, two groups of infrared proximity sensors, an infrared distance measuring sensor, a grayscale sensor, a driving mechanism and a controller. The first group of infrared proximity sensors, the infrared distance measuring sensor, and the grayscale sensor are all arranged on the inner side of the margins of the bottom of the chassis components; the second group of infrared proximity sensors are arranged on the top of the chassis components; control input ends of the controller are electrically connected with the two groups of infrared proximity sensors respectively as well as with the infrared distance measuring sensor and the grayscale sensor; control output ends of the controller are electrically connected with the driving mechanism and the driving mechanism is fixedly connected with the chassis components. The two groups of infrared proximity sensors arranged top-and-bottom can collect information around the robot comprehensively and accurately, besides, the first group of the infrared proximity sensors are all arranged on the inner side of the margins of the bottom of the chassis components and do not protrude outside, and therefore the probability that the infrared proximity sensors are damaged is reduced.

The invention discloses a firing pin type firing mechanism achieving the clear sensing function and the ready-to-fire state indicating function. The firing pin type firing mechanism achieving the clear sensing function and the ready-to-fire state indicating function comprises a gunlock. Firing pin holes are formed in the gunlock and sequentially comprise a firing pin front locating conical hole, afiring pin tooth recession groove hole and a gunlock baffle insertion groove hole from front to back. The firing pin type firing mechanism achieving the clear sensing function and the ready-to-fire state indicating function further comprises a firing pin matched with the firing pin front locating conical hole and a gunlock baffle installed in the gunlock baffle insertion groove hole. The back endof the firing pin is provided with a firing pin spring containing hole. A firing pin spring guide rod and a firing pin spring arranged on the firing pin spring guide rod in a sleeving manner are arranged in the firing pin spring containing hole. The gunlock baffle is provided with a locating hole penetrating through the front and back sides. A hollow firing pin spring seat is installed in the locating hole. The outer circumferential face of the firing pin spring seat is provided with a first step abutting against the firing pin spring in a connected manner. The firing pin spring guide rod isprovided with a second step abutting against the firing pin spring and used for limiting the firing pin spring in a front-back direction. The back end of the firing pin spring guide rod is in slidingfit in the firing pin spring seat. When a backseat of the gunlock is in place, the back end of the firing pin spring guide rod extends out of the gunlock baffle.

The invention discloses a fault diagnosis method. A bearing impact energy value and a spectrum are acquired from a detection end; the belonging interval is judged according to the impact energy value,if the impact energy value is located in a supervision enhancement interval, whether fault features happen to the spectrum is judged, if the fault features appear, whether a fault frequency exists iscalculated according to the spectrum, and if the fault frequency exists, the bearing is disintegrated; if the impact energy value is located in a device fault interval, whether temperature abnormality, noise abnormality, white noise and a high-frequency component appear is judged, if any of the above features appears, lubrication is carried out, if the temperature abnormality, the noise abnormality, the white noise and the high-frequency component do not disappear completely after the lubrication, whether a fault frequency exists is judged, and if the fault frequency exists, the bearing is disintegrated. As interval processing is carried out on the impact energy, various fault features appearing in the spectrum and the fault frequency are combined in different energy intervals to judge the bearing, the state of the bearing can be accurately judged, and the bearing can be disintegrated in a corresponding state.

The invention provides an air conditioner incoming line terminal capacitance failure storage device and a capacitance failure analysis method. The air conditioner incoming line terminal capacitance failure storage device is connected with the capacitance of an air conditioner incoming line terminal, and comprises a voltage detection circuit and a data storage unit, wherein the voltage detection circuit is used for detecting a voltage value of the capacitance in real time; and the data storage unit is connected with the voltage detection circuit and is used for storing a voltage value of the capacitance. The capacitance failure analysis method is based on the air conditioner incoming line terminal capacitance failure storage device. Therefore, the data storage unit is used for storing the voltage value of the capacitance, and once if the phenomenon that the capacitance is failed occurs, the voltage value in the data storage unit can be read, so that whether the capacitance failure is caused by overvoltage or not can be further easily determined according to the voltage value; and the reasons of capacitance failure can be clearly judged within a short time, so that the convenience injudgment is realized, and the accuracy is high.

The invention relates to the technical field of gas pipeline patrol, and particularly relates to a satellite positioning acquiring device based patrol state displaying method and device. The method comprises: acquiring the geographical coordinate position in a patrol process by the satellite positioning acquiring device, and recording the acquiring time; calculating the distance interval and the time interval between any two adjacent geographical coordinate positions; comparing the distance interval with the preset standard distance interval, comparing the time interval with the preset standard time interval, and judging the patrol state between the two adjacent geographical coordinate positions; and displaying the patrol states of all adjacent geographical coordinate positions on an electronic map in different line types. According to the invention, the states of the satellite positioning acquiring device and the patrol people carrying the device can be judged by judging the distance and time between the adjacent geographical coordinate positions, and are displayed visually on the electronic map via different line types so as to judge the patrol quality definitely by management personnel.

The invention discloses an electrical performance detection device for a pole-mounted circuit breaker controller. The device comprises a terminal strip, a pole-mounted circuit breaker controller aviation plug, an energy storage relay coil, a switching-on relay coil and a switching-off relay coil, wherein the pole-mounted circuit breaker controller aviation plug is electrically coupled with the terminal strip, and one side of terminal strip is electrically coupled with a first power supply and a second power supply. According to the invention, the remote signaling function of the pole-mounted circuit breaker controller is ensured to be normal by setting closing, tripping, energy storage and non-energy-storage state signal indication, voltage and current signals are input through the terminal strip, the remote measurement and protection functions of the pole-mounted circuit breaker controller are ensured to be normal, the electrical performance of the pole-mounted circuit breaker controller can be accurately detected without power failure, early prevention, early discovery and early processing are realized, the power supply reliability of a power grid is improved, the investment costis low, the detection effect is obvious, and the quality of the pole-mounted circuit breaker controller can be clearly and definitely judged.

The invention provides a concrete dam deformation combined forecasting model construction method based on ARIMA and PSO-ELM, and aims at the characteristics of high nonlinearity and uncertainty causedby mutual influence of multiple factors in the dam deformation process, irregular chaotic characteristics caused by complex noise pollution and the like. An ensemble empirical mode (EEMD) is used tocarry out adaptive analysis and processing on a residual sequence of a displacement hybrid model, a particle swarm optimization (PSO) algorithm is used to optimize ELM and select an optimal input weight matrix and hidden layer deviation, and a PSOELM model is constructed to optimize a nonlinear high-frequency induction signal of the PSOELM model; meanwhile, fitting prediction is carried out on a low-frequency trend signal by means of an autoregressive integral moving average model (ARIMA), and a multi-scale deformation optimization combination forecasting model is established. Compared with atraditional model, the built model is higher in prediction precision, noise interference in the monitoring sequence can be overcome, the multi-scale characteristic of the dam monitoring sequence can be reflected, and the dam monitoring data time sequence can be analyzed and judged more clearly and comprehensively.

The invention discloses a method for inspecting low-magnification structural defects of titanium alloy raw materials that can detect abnormal macrostructures of titanium alloy raw materials. The method can detect tissue genetic defects caused by abnormal forging deformation of titanium alloy raw materials after ingot casting. Cut a 20mm ± 3mm thick low-magnification tissue test piece from the titanium alloy raw material, first heat it in a heating furnace at 30-40°C below the β-transition temperature for 60 minutes, then raise the power to 15-20°C above the β-transition temperature, and the furnace temperature is uniform The stability requirement is within ±5°C, keep warm for 30 minutes and then air-cool, and then observe the low-magnification structure after corrosion. This method is suitable for the inspection of the low-magnification structure of α-type, α-β-type and near-β-type titanium alloy raw materials. The judgment of the macrostructure defects of titanium alloy raw materials is intuitive and clear, and it can control the production of forgings with titanium alloy raw materials with macrostructure defects. the resulting economic losses.