80results about How to "Accurate and quick judgment" patented technology

The present invention relates to a radar apparatus that uses a plurality of transmitting / receiving antennas A1-A4 and receives a reflected wave, of a transmitted wave, reflected from a target. By utilizing the property that the path of the transmitted wave from an antenna A1 and its reflected wave and the path of the transmitted wave from the next selected antenna A2 and its reflected wave share the same spatial system, and therefore that both received signals have the same characteristics in terms of frequency and phase, a judgment is made as to whether there exists any difference between the receiving characteristics of the antennas, and the received signal is corrected in accordance with the result of the judgment. It is also possible to judge the presence or absence of a change in the characteristic of each antenna, and apply a correction accordingly, even during the normal operation of the apparatus.

The invention provides an unsupervised anomaly detection method and a system based on improved CURE clustering algorithm. The detection method comprises the following steps: clustering is carried on training sets and data of abnormal behavior and normal behavior are classified; the classified data are marked; modeling is carried out according to data marked as normal behavior, while modeling algorithm is based on hyperrectangle; data to be detectd are compared with model of normal behavior to judge weather the data to be detected are abnormal data or not. The detection system comprises a data formatting module, a clustering module, a standard class module, a model generating module and a detection module. The detection method is suitable to detect data with relatedness not being strong among dimensions.

The invention relates to an off-gear judging and treating method for a dual-clutch automatic transmission. The dual-clutch automatic transmission comprises two transmission devices. Each of the two transmission devices is composed of a wet clutch, a cooling device of the wet clutch and a transmission gear set. Totally seven forward gears and one reverse gear are arranged, wherein the R gear, the second gear, the fourth gear and the sixth gear are even-shaft gears, and the first gear, the third gear, the fifth gear and the seventh gear are odd-shaft gears. The transmission further comprises two clutch rotating speed sensors, one output shaft rotating speed sensor and four shifting fork position sensors. Monitoring and judging of the gear off-gear state are conducted on the gear to be engaged and the current gear at the same time with the combination of the position of a transmission gear shifting fork, the moving speed of the shifting fork, the rotating speed of an input shaft, the rotating speed of an output shaft and other information for a dual-clutch automatic transmission mechanical structure. After the off-gear state is confirmed through the judgment, the optimal supplementary-engagement gear is selected according to the differences of the off-gear state, the working gear and the gear to be engaged, and the supplementary-engagement action is coordinately controlled.

The present invention discloses a method for concluding and classifying online comments of a hospital, and aims to conclude various online evaluations of the hospital by patients, summarize the overall impression of the hospital, and implementing classification of the comments. The method comprises the following steps of first dividing crawled Chinese comment content into a plurality of short sentences by using regular expression; then performing word segmentation and part-of-speech tagging of each short sentence, and merging adjacent nouns into a noun; replacing adjectives on basis of synonym dictionaries with the principle that low-frequency words are replaced by high-frequency words; storing the obtained noun+adjective phrases into a database, and simultaneously establishing mapping relation among the phrases, the short sentences and the comments; and inputting the tile of the hospital, and selecting a plurality of high-frequency phrases from the database as the overall evaluation of the hospital. According to the method, the online comments of the hospital can be simplified, the trouble of reading various comments is saved, and the comments can be read by classification conveniently, thereby facilitating healthcare service choice and hospital choice.

The invention discloses a large bury depth cavern extrusion surrounding rock large deformation discrimination method which can quickly and reliably predict large deformation of the calculation point of the deep buried cavern engineering surrounding rock. The method comprises the steps that the in-situ ground stress test is performed and the lateral pressure coefficient lambda and the maximum principal stress value sigma0max are acquired; the rock core is drilled and processed into the cylindrical rock sample; the uniaxial compression test is performed on the rock sample so as to acquire the rock uniaxial compressive strength sigmac under the natural water content; the self-weight stress field is calculated according to the stress environment of the underground cavern or the rock strength-to-stress ratio SSR under the stress field is constructed; and occurrence of surrounding rock extrusion large deformation is judged according to the acquired self-weight stress field or the rock strength-to-stress ratio SSR under the constructed stress field. The method is used for judgment and prediction of large bury depth cavern surrounding rock extrusion large deformation and can be used for stability evaluation of the bury depth cavern and optimization of the permanent support design.

The present invention relates to a radar apparatus that uses a plurality of transmitting / receiving antennas A1-A4 and receives a reflected wave, of a transmitted wave, reflected from a target. By utilizing the property that the path of the transmitted wave from an antenna A1 and its reflected wave and the path of the transmitted wave from the next selected antenna A2 and its reflected wave share the same spatial system, and therefore that both received signals have the same characteristics in terms of frequency and phase, a judgment is made as to whether there exists any difference between the receiving characteristics of the antennas, and the received signal is corrected in accordance with the result of the judgment. It is also possible to judge the presence or absence of a change in the characteristic of each antenna, and apply a correction accordingly, even during the normal operation of the apparatus.

The invention discloses a vehicle relative position judgment method based on directional antennas. The directional antennas are arranged on the two sides of a vehicle head, the two sides of a vehicle tail and the two sides of a vehicle body respectively, and get away from the vehicle body to be arranged outwards. The method comprises the steps that the antennas broadcast wireless signals comprising vehicle unique identification information outwards and meanwhile monitor wireless signals existing around, and converge the received signals to a vehicle terminal in real time; the vehicle terminal processes the obtained data information; the relative position of a vehicle is determined through the RSSI of the multiple groups of antennas. The method can take full advantage of the character of on-board equipment in the internet of vehicles, obtains a visual vehicle relative position conclusion through data analysis of the on-board equipment, better adapts to the character of the internet of vehicles, and can accurately and rapidly judge the relative position of the vehicle.

The invention discloses a gauge for measuring a short external cone, which comprises a taper ring gauge (3), and is characterized by further comprising a verticality ensuring device consisting of a positioning sleeve (1), a central spindle (2) and a compression screw (5); in a using process, the central spindle (2) is arranged in an inner hole (D) of the positioning sleeve (1); the taper ring gauge (3) is connected with the central spindle (2) in a manner that a measuring face (E) faces upwards; an inner cone (3-1) of the taper ring gauge (3) is placed on a transition shaft (2-1) of the central spindle (2), and contains a positioning shaft (2-2); and a connecting part (5-2) of the compression screw (5) is connected with a threaded hole (2-3) in the transition shaft (2-1), so that a compaction part (5-1) compacts a part (6) placed between the compaction part (5-1) and the measuring face (E) of the taper ring gauge (3). The gauge has the benefits that the gauge is accurate in measurement and ensures the quality.

The invention relates to a high-voltage power transmission line grounding fault indicating and positioning device, in particular to a pole and tower power transmission line fault indicator and belongs to the technical field of electric power tools. The pole and tower power transmission line fault indicator comprises a base, a current transformer and a control circuit board connected with a power source are arranged on the base, an MCU processor is welded to the control circuit board, the secondary current output end of the current transformer is connected with the signal input end of the MCU processor through a rectifying and filtering circuit and an amplifying circuit which are arranged on the control circuit board, the signal input end of the MCU processor is further connected with a photoresistor, the control output end of the MCU processor is respectively connected with a turnover indicator and an LED caution light, a semicircular shell is arranged above the base, a display window is arranged on the semicircular shell, and the display window corresponds to the turnover indicator, the LED caution light and the photoresistor which are arranged on the base. The pole and tower power transmission line fault indicator is simple in structure, the fault of a power transmission line can be fast and accurately positioned, the fault finding difficulty is reduced, the workload and the labor intensity of inspection personnel are reduced, and stable and reliable power supply is guaranteed.

The invention relates to a ship-collision prevention system and method for preventing a collision between a ship at sea and another ship. According to the invention, provided is a ship-collision avoidance guiding system using a time series graphic display, in order to solve problems of a conventional electronic chart display and information system (ECDIS) and navigation systems using the same, which have a disadvantage of a complex and unintuitive screen display because of a simple enumeration of various pieces of information on a screen. The ship-collision avoidance guiding system using the time series graphic display displays, in a time series graph, changes in relative distance according to time with respect to respective ships and obstacles on the basis of information provided from theECDIS and a radar system, at this time, in a case of ships, whether the respective ships are on portside or starboard is displayed on the basis of radar information, and if a distance to a specific ship has a predetermined threshold value or less, the guiding system is configured to notify, through an alarm and the like, avoidance to a ship having the obligation to keep out of the way, thereby enabling the positions of an obstacle and a ship nearby at sea, crossing event time, and whether the ship is to be avoided to be easily identified at a glance, and effectively preventing a collision between ships at sea, and simultaneously, enabling a simulation for a crossing event and avoidance by inputting a random value.

The invention discloses a live broadcasting analysis data acquisition method and device and belongs to the technical field of link monitoring. By acquiring and associating audio / video frame groups inthe same second in a live broadcasting process and frame rate of each stage, a data audio / video frame group from the live broadcasting device to an audience device and data of corresponding frame rates are obtained. When a video suffers from lagging, the frame rate of each stage of audio / video frame group where the lagged frame is arranged is extracted and analyzed, so the lagging stage of the whole live broadcasting link can be quickly and precisely judged. According to the invention, by associating the frame rate data of each stage in the live broadcasting of the same frame group, the elimination work efficiency and accuracy of the lagging occurrence stage are improved and the method and the device are highly practical.

The invention discloses a gauge for measuring a short inner cone. The gauge comprises a taper plug gauge (8) and a perpendicularity guarantee device of the taper plug gauge (8), wherein the perpendicularity guarantee device comprises a base plate (4) and a support block (6) connected with the base plate (4); an accommodating space (A) of a tested short inner conical part (1) is formed between the base plate (4) and the support block (6); a locating sleeve (5) is arranged on the base plate (4); the locating sleeve (5) is provided with a locating hole (J) and an end surface (C); a casing pipe (7) is arranged on the support block (6); an inner hole (G) is formed in the casing pipe (7); the axis of the inner hole (G) is perpendicular to the end surface (C); and during measurement, the taper plug gauge (8) penetrates through the inner hole (G) of the casing pipe (7) and stretches into the locating hole (J) of the locating sleeve (5), and the short inner conical part (1) is placed in the accommodating space (A) in the end surface (C). The gauge for measuring the short and inner cone has the benefits that the measurement is accurate and the quality is guaranteed.

According to the distribution network self-healing method based on peer-to-peer information interaction provided by the invention, peer-to-peer communication between devices is carried out by adoptingGOOSE and other multicast protocols among all the devices in the system, respective electrical quantity information is interacted, the method does not depend on a communication master station, an FAcommunication network networking mode is adopted for communication, and the on-site stay wire wiring workload is reduced; when a fault occurs, the position of a fault point can be quickly and accurately judged through information subscribed and published by each other, fault removal and isolation are realized with fewer action times, and a self-healing power transfer line is reasonably selected for power transfer according to the load capacity of each incoming line, the load capacity of a fault line and an operation topological relation. The problem of uneven load caused by unreasonable transfer supply is avoided, and the adopted transfer supply strategy supports multi-contact selection and can adapt to dual-power-supply, multi-power-supply and petal type operation structures.

The invention aims to provide an intelligent isolated organ long-term maintenance device and aims to solve the problem of long-term preservation of isolated organs. The intelligent isolated organ long-term maintenance device is characterized by comprising a perfusion module, a dialysis module, an oxygenation and blood gas regulation module, an automatic blood flow control module and a temperaturecontrol module, wherein the perfusion module is sequentially connected with the dialysis module, the oxygenation and blood gas regulation module, the automatic blood flow control module and the temperature control module to form a closed loop.

The invention discloses an external diameter measuring apparatus of an annular object and an external diameter measuring method of the annular object. The measuring apparatus comprises a template chart; one or more annular grooves are formed on the template chart; and the external diameters and the internal diameters of the annular grooves are determined according to the standard size and the tolerance of the annular objects to be measured. The sections of the grooves are U-shaped or rectangular, and the depths of the grooves are larger than the radiuses of the annular objects. According to the external diameter measuring apparatus of the annular object and the external diameter measuring method of the annular object provided by the invention, a bead ring is pressed in the measuring grooves in the measurement process, because the annular measuring grooves take effects in template correction when the bead ring is pressed in the measuring grooves, the measuring apparatus is specifically suitable for the measurement of external diameter of the bead rings in which the specific value of D / d is very large, the method is simple, and the judgment is precise and quick. In the batch detection, the measurement result is reliable, and the labor productivity is greatly improved.

The invention relates to a harvester control system, belonging to the technical field of the harvester and comprising a starting system, a charging system and an illuminating system. The harvester control system is characterized in that the control system comprises a controller, a steering control and indication system, an electric control harvesting system, an electric control grain conveying system, a monitoring instrument of a whole machine and an alarm system, wherein the controller is connected with and controls the steering control and indication system, the electric control harvesting system, the electric control grain conveying system, the monitoring instrument of the whole machine and the alarm system. The harvester control system has the advantages of functions of concentrated monitoring, display, control and alarming, improved automation, strong adaptability, convenient maintenance, simple and comfortable operation, low labor intensity and high operation efficiency and the like.

A gauge and method for measuring the diameter of a large-sized steel wire bearing rail comprises a body (1), a sleeve (3), a measuring head (4) and an elastic piece (6) which enables the body to move. The gauge and method for measuring the diameter of the large-sized steel wire bearing rail is characterized in that the body is composed of a large measuring cylinder (G), a measuring cylinder (E) and a connecting part (1-1), the measuring cylinder (E) and the connecting part (1-1) are connected on the left side and the right side of the large measuring cylinder (G), a first preset value measuring face (C) is arranged on the left end face of the large measuring cylinder, and a body measuring face (Y) is arranged at the outer end of the connecting part; the sleeve is provided with an axial hole (M) of the measuring cylinder (E), one end of the axial hole (M) is opened, the axial hole (M) is connected to the body in a sliding mode, a second preset value measuring face (B) is arranged at the opening end of the axial hole, and the other end of the sleeve is detachably connected with the measuring head (4) which is provided with a measuring head measuring face (X); the gap distance (A) between the first preset value measuring face and the second preset value measuring face is 5-10mm larger than the diameter difference of pore diameters at the two ends of a measured part and a rail hole, and the elastic piece is mounted between the bottom of the axial hole and the measuring cylinder. A limiting mechanism which limits the sliding range of the measuring cylinder is further arranged. Therefore, precision is high.

The invention discloses a machine judging method for objective questions containing subjective information. The method is applicable to a computer system and mainly comprises the following steps of S1adding confidence options on the basis of traditional objective questions and giving different weights to the objective questions; 2 judging whether that answer to the objective question is correct;S3 identifying the confidence option and determining the alpha value; S4 calculating the score according to the item score and the confidence weight; and S5 outputting the final score. The method of the invention generally introduces a principle of combining subjective and objective scoring of confidence options into machine scoring, not only retains the Boolean property of objective questions, ensures the accuracy and rapidity of judgment, but also takes into account the test of the respondent's subjective thinking process, forms the quantitative index of the respondent's process thinking, enriches the connotation of objective questions, and can reflect the real situation of the respondent more scientifically and accurately.

The invention relates to an active alarming and rear-end collision preventing device of a car, comprising a detecting and sensing device, a main processor and an acousto-optical alarm device which are electrically connected in sequence, wherein the detecting and sensing device is used for outputting a detecting signal to the main processor; the main processor is used for receiving an output signal from the detecting and sensing device and judging whether the output signal exceeds a preset threshold value so as to determine whether to output an alarm signal to the acousto-optical alarm device; the acousto-optical alarm device is used for synchronously sending an acousto-optical alarm signal after receiving the alarm signal from the main processor; and the detecting and sensing device comprises a displacement sensor, a pressure sensor or an acceleration sensor. Compared with the prior art, the active alarming and rear-end collision preventing device of the car has the advantages that the detecting and sensing device collects acceleration data when the car brakes or the displacement data of a brake pedal or the pressure data of a brake medium so as to accurately judge whether emergency brake of the car happens, and the acousto-optical alarm signal is sent at the first time to remind a driver of a rear car to pay more attention so that rear-end collision accidents are reduced.

The invention relates to the technical field of automatic driving, and particularly relates to an automatic driving control method of a special-shaped road intersection, and a vehicle. The automatic driving control method of the special-shaped road intersection comprises the following steps: S1, acquiring an avoidance region in front of the vehicle; S2, acquiring a marching map of the vehicle, wherein the vehicle is taken as a coordinate center of the marching map, and the marching map is located in front of the vehicle; S3, detecting whether the marching map is overlapped with the avoidance region; S4, when an overlapped region is detected in the step S3, detecting whether a moving object is in the overlapped region; S5, according to the detection result of the step S4, controlling the vehicle to enter into the avoidance region or not. The avoidance region and the marking map in front of the vehicle are acquired, and whether the avoidance region and the marching map are overlapped isdetected, when the overlapped region is formed by the avoidance region and the marching map, whether the moving object exists in the overlapped region is detected, and then, operation of the vehicle is controlled according to whether the moving object exists in the overlapped region, thus, situations of the special-shaped road intersection and vehicles arising can be accurately and quickly judged,safe driving can be realized.

The invention relates to an automatic anti-overturn alarm system for the safety carrying capacity of an excavator. The system is formed by four parts, i.e. a gravity sensor, a weighing machine, a dataprocessor and a voice prompt alarm. According to the automatic anti-overturn alarm system for the safety carrying capacity of the excavator provided by the invention, the excavator can be monitored dynamically, so that a driver can conveniently know the carrying capacity information of the excavator, and can conveniently control the carrying capacity of the excavator, the excavator is effectivelyprevented from overturning, and a safety factor of the excavator carrying heavy objects is improved.

The invention discloses a defect scanning method based on deadly defect correction. The defect scanning method comprises: placing a chip on a defect scanning machine table to be scanned in order to extract the characteristic information of all defects in the chip: inputting the characteristic information of all defects into a defect database in order to obtain correction coefficients k corresponding to the defects, wherein the defect database endows different correction coefficients k according to the influence of the characteristic information of all defects on the chip yield; and performing statistic on the sum of all corrected defects of the chip and comparing the sum with a control standard value w of the chip in order to determine whether the defects are normal. On the premise of determining whether the defects of the chip are normal according to the number of the defects, the defect scanning method introduces a deadly defect correction factor in order to accurately and fast determine whether the defects of the chip are normal and has advantages of fast finding machine tables having problems, decreasing continuous influence on products, and increasing product yield and production efficiency.

The present invention discloses a method for Mars acquisition by using SINS / image matching combination navigation. According to the method, SINS is adopted to provide a current position and an attitude of a detector; a SINS / image matching combination navigation model is established, an image matching algorithm is adopted to carry out auxiliary correction on an output result of SINS, and a current exact position and a current exact attitude of the detector are provided; position change and attitude change of the detector can be determined by extracting and tracking an outline edge of a target Mars; an optimal combination filtering algorithm is adopted to provide state information formed by fusion of multiple information of the detector, wherein navigation positioning is performed on the detector; and finally an entering-orbit state of the detector is determined to form a control command so as to achieve independent and accurate acquisition of the detector. With the method of the present invention, development trends of miniaturization, high integration, and multi-function of the detector are met, the method of the present invention provides more excellent real time performance than remote control and remote sensing on the ground, signal blind areas on the back surface of the Mars are avoided, and independent and intelligent target acquisition and determination can be achieved.

The invention relates to a road surface unevenness identification method during vehicle driving, a vehicle and a computer readable storage medium. The road surface unevenness identification method during vehicle driving is characterized by comprising the following steps: A, acquiring the driving speed of a vehicle on a current road surface; B, judging whether the obtained running speed is not greater than a preset threshold value or not: if so, obtaining running data of the vehicle based on a preset time interval; and C, determining the current road surface unevenness of the vehicle according to the change characteristics of the acquired operation data. By applying the method, the road surface unevenness during vehicle driving can be quickly, accurately and efficiently detected, and different road surface conditions such as uphill, downhill, various obstacles which can pass through or cannot pass through and the like can be identified, so that the low-speed control capability of the vehicle can be improved, and the safety performance of the vehicle can be enhanced.

The invention relates to a leakage judging method for a vacuum pipeline. The leakage judging method comprises a pipeline formed by a sandwich board, wherein the sandwich board comprises an inner layer, an outer layer and a sandwich layer arranged between the inner layer and the outer layer; the pressure strength of the sandwich layer is between the internal and external pressure strengths; if thedetected pressure strength of the sandwich layer is increased, the layer with relatively high pressure strength is leaked; and if the detected pressure strength of the sandwich layer is reduced, the layer with relatively low pressure strength is leaked. The invention further discloses another leakage judging method for the vacuum pipeline. According to the leakage judging method, the air leakage position can be accurately and rapidly judged, so that the security coefficient is greatly increased.

The invention discloses a protection warning method and system for a frequency converter equipped with multiple motors. According to the protection warning method, the current signal among the frequency converter and the motors is detected, an alarm signal is sent out when overcurrent, default phase or three-phase imbalance occur. By adoption of the protection warning method and system, abnormal faults can be found in time, and the fault motors can be effectively determined.

The invention provides a closed loop determining method, for determining whether a loop in a reverse double-loop topology is a closed loop, where the topology comprises opposite first and second loops, and plural nodes connected with the first and second loops, the distance between adjacent nodes is 1 hop; the method comprises the steps of: a. one node in sequence receives messages from the other nodes, where the message includes loop direction and address to other nodes and information about hop number distant from a node; b. searching whether there are first and second messages in the received messages, where information of the first message indicates the first message comes from the first hop of the first loop and that of the second message indicates the second message comes from the second loop and they both indicate the same node address; and c. if the first and second messages are searched, determining the topology composes a closed loop.