45results about How to "The assessment result is accurate" patented technology

The invention discloses a multifunctional test bed for an electric wheel. The test bed comprises a power measuring motor, an electric push rod, a loading motor, an electric wheel equipped with a hud motor, a rotary drum, a rotating speed torque sensor, a pressure sensor, a ball screw mechanism, a parent controler (computer), an A / D & D / A card, and a USB / CAN adapter, whrein, the computer controls the rotating speed of the power measuring motor through the D / A card according to experimental operating conditions, the computer dynamically controls vertical load which is applied by the loading motor to the electric wheel through the D / A card according to the experimental operating conditions, the computer controls torque of the electric wheel r which is equipped with the hud motor through the USB / CAN adapter according to the experimental operating conditions, and the pressure sensor and the rotating speed torque sensor send load, rotating speed and torque signals of the electric wheel to the computer through the A / D card and a serial port respectively. The multifunctional test bed for the electric wheel can automatically assess durability of the electric wheel without monitoring in thelaboratory and without arranging special experimenter to carry out road test, and has the advantages of saving manpower and material resources, providing rapid and accurate assessment and the like.

The invention discloses a lake water quality evaluation prediction system and method based on a factor weighting model. The method comprises the following steps: through different lake area pollution thermal graph color conditions, knowing each lake pollution contrast; through obtaining lake basin weather indexes, feeding time vector weather temperature information and each weather index to a user; displaying an accomplishment of an improved factor weighting model; and through combination with a correlation analysis algorithm, emitting an alarm to the user for each current standard-exceeding water quality index and prediction standard-exceeding indexes. According to the invention, the factor weighting evaluation model capable of more accurately evaluating water quality is established. Through numerous data tests of the model, it is proved that the algorithm operation efficiency and the water quality evaluation accuracy are greatly improved. A factor weight based evaluation model is established, a future lake water quality and environment development trend is reasonably predicted and analyzed, most visual water quality change and lake area differences can be given to the user, and water supply environment management advice is provided for sustainable development of a nine-like basin.

The invention discloses a system and a method for assessing contribution electric quantity of primary frequency modulation of a hydroelectric generating set. The method comprises the following steps of utilizing a simulation model of the hydroelectric generating set to obtain theoretical active power; then, enabling a theoretical action integral electric quantity calculation module to obtain the theoretical action integral electric quantity of the primary frequency modulation of the hydroelectric generating set according to the theoretical active power, the time corresponding to the theoretical active power, and the theoretical action integral electric quantity relation, and obtain the actual action integral electric quantity of the primary frequency modulation of the hydroelectric generating set according to the actual power of the hydroelectric generating set, and the time corresponding to the actual power; enabling an assessing module to calculate the ratio of actual action integral electric quantity and theoretical action integral electric quantity, and judging whether the ratio is greater than the threshold value or not, wherein when the ratio is greater than the threshold value, the primary frequency modulation of the hydroelectric generating set passes through assessing; when the ratio is not greater than the threshold value, the primary frequency modulation does not pass through assessing. The system has the advantages that the theoretical action integral electric quantity obtained by the type is more approximate to the actual action integral electric quantity, and the electric quantity is more accurate; the assessing result is more accurate, and the false rate is low.

The invention belongs to the technical field of civil engineering, and discloses an evaluation and detection system for the apparent defects of a civil engineering structure. The system comprises an image acquisition module, a pressure detection module, a central processing module, a drone module, an image processing module, a defect evaluation module, a life prediction module and a display module. The image acquisition module and the drone module can collect image data of each corner of the engineering structure through a drone in order to obtain complete image data, so an evaluation result is accurate; the life prediction module can judge the possible control section of the structure, calculate the stiffness attenuation coefficient under the influences of load, shrinkage and creep and predict the remaining service life of the structure after the structure is loaded according to numerical analysis or mechanics knowledge; the remaining life prediction result is continuously updated bycombining actual measurement information; and the life of the structure can be accurately predicted.

The invention belongs to the technical field of agro-ecological assessment, and discloses a method for health analysis of alpine meadow grassland ecosystem, and a computer. The method comprises steps:establishing a judgment matrix for the mutual relation of the elements located at the network layer, and obtaining the limit super matrix and the weights of each bottom index by using the analysis method of the network structure. By comparing with the existing method, the data obtained by the invention is more comprehensive and reasonable, and therefore, the health status of the grassland can beaccurately judged. The invention is convenient and practical for technicians and farmers and herdsmen, can effectively guide grass-roots technicians and farmers and herdsmen to carry out reasonable utilization and scientific management of the grassland, maintain the health status of the grassland ecosystem, and lay a foundation for the sustainable development of the grassland animal husbandry andthe sustainable exertion of the grassland ecological function.

The invention belongs to the technical field of laser control, and discloses an efficient laser control system and method. The efficient laser control method comprises the steps that control management is performed on a power supply through a power supply control module; laser control parameters are configured through a parameter configuration module; a main control module dispatches a light source module to generate a laser pulse beam; the laser pulse energy of each laser pulse in the laser pulse beam is measured by adopting a laser energy monitor through an energy measurement module; the filtering of a single laser superimposed pulse signal is detected through a filtering detection module; and an interaction operation is performed by adopting a touch screen through an interaction module.The efficient laser control method can enable a power regulating circuit to output driving current capable of stably driving a semiconductor laser through the power supply control module, thereby realizing accurate control for the driving current. The filtering detection method for the single laser superimposed pulse signal has high interference resistance, accuracy and stability.

The invention discloses a patient rehabilitation rating scale generation method, which comprises the following steps of creating patient file information or opening the created patient file information, selecting rating items, calling test questions in a database, and generating test rating paper; after the test is completed, calculating rating results, entering and submitting the rating conclusion, and transmitting the rating conclusion to the database to be stored; calling a historical rating record of a patient, and respectively generating a curve graph of the rating record and a curve graph of the historical rating record in the same coordinate axis. The invention also discloses a patient diagnosis and rehabilitation rating scale generation system.

The invention discloses a device and method for conducting vibration monitoring and fault early warning on a centrifugal pump. The vibration condition of the centrifugal pump is collected through a piezoelectric type vibration acceleration sensor and input into a host computer through a multichannel data acquisition card, so that centrifugal pump vibration signals are formed. The method for conducting vibration monitoring and fault early warning through the device includes the steps of simulating centrifugal pump faults, and collecting fault signals; conducting noise elimination processing onthe fault signals; conducting feature extraction on the noise elimination signals; establishing a centrifugal pump fault feature vector; operating a centrifugal pump set, and also conducting noise elimination processing and feature extraction on the signals collected by the vibration sensor, so that a comparison feature vector is obtained; and comparing the comparison feature vector with a simulation feature vector, so that whether faults exist in a corresponding measure point of the centrifugal pump or not is known. The device and the method have the beneficial effects of being low in cost, easy to implement and great in universality. Early warning results are concise and clear, and fault early warning accuracy and efficiency of the centrifugal pump are improved.

The invention puts forward a hospital nursing quality assessment management system and method. The system comprises a uniform user platform, a nursing quality assessment platform and a data center analysis platform, wherein the uniform user platform, the nursing quality assessment platform and the data center analysis platform are successively connected through an intranet special line. The system has the advantages that the system is established on the uniform user platform of the hospital and can be fused with other nursing systems to realize data sharing. By use of the system, head nurses can get rid of complex manual processing ways, and finish each piece of assessment work in the system; mobile equipment is adopted and is combined with patient feedback opinions to carry out multiaspect real-time assessment, a nursing department can finish assessment in the system, the grading accounting of each endemic area is automatically finished, a final analysis statement is combined to form a cyclic operation system of a nursing quality improvement measure, and nursing quality can be continuously improved.

The invention belongs to the technical field of crane monitoring, and discloses a monitoring system for a garbage grab bridge crane. The monitoring system for the garbage grab bridge crane comprises an information detection module, an information processing module, a remote transmission module, a remote monitoring center, a video monitoring module, a control output module, an information storage module, an information display module, an information export module, a fault monitoring module and a self-inspection stop module. According to the monitoring system for the garbage grab bridge crane, through the fault monitoring module and the self-inspection stop module, self-detection can be achieved, and the fault can be diagnosed; and meanwhile, through the fault monitoring module, the damage fault of a transmission chain of the crane can be monitored, the problem that safety monitoring and protection schemes are not perfect enough in the prior art is solved, and safety accidents and lossesof the crane are reduced.

The invention provides a method and a system for assessing the business knowledge of hydrological employees. The method includes the following steps: on an examination paper management page, acquiring an examination paper selection instruction in an examination paper category list; randomly generating an examination paper from a knowledge base according to the examination paper selection instruction and preset rules to get a random examination paper, and displaying the random examination paper on an examination interface, wherein the knowledge base includes knowledge bases for a plurality of professional fields, and the random examination paper includes various question types; and getting the answers of examinees to the questions on the random examination paper within a predetermined period of time according to the random examination paper, automatically generating scores, and displaying the answers and the scores on the examination interface, thus completing evaluation. According to the method for assessing the business knowledge of hydrological employees, questions are set intelligently and randomly according to preset rules, and online automatic assessment is carried out, which not only saves labor cost, but also improves the fairness of assessment.

The invention discloses an anesthesiology department nursing personnel service capability assessment method and system, which are applied to an intelligent assessment system, and the method comprises the steps: generating a first RFID identification code according to first nursing personnel information; inputting a first assessment rule into the intelligent assessment system to obtain a first assessment division area; according to the first RFID identification code, obtaining the operation time of the first nursing personnel in each area in the first assessment division area; obtaining an operation evaluation value of the first nursing personnel in each area in the first assessment division area according to the operation image; and inputting the operation time and the operation evaluation value into a first evaluation model to obtain a first operation capability level of the first nursing personnel. The technical problems in the prior art that the examination of the practical operation ability of the nursing personnel depends on manpower, the examination is not intelligent and standard enough, and the accuracy of the examination result is not high are solved.

The invention discloses a gradient motor function automatic evaluation system and an implementation method thereof, for solving the problem that an existing patient motion function evaluation mode is time-consuming, labor-consuming and high in cost. The gradient motor function automatic evaluation system comprises an evaluation motion guiding module, a motion evaluation module connected with the evaluation motion guiding module, a microsensor human motion capturing system connected with the motion evaluation module, and a motion connecting module connected with the motion evaluation module and the evaluation motion guiding module at the same time. The gradient motor function automatic evaluation system is reasonable in design, convenient to operate, high in degree of automation, capable of conveniently, rapidly and accurately evaluating the motion function of limbs of patient and saving in both time and labor, and greatly saves labor cost, and meanwhile also improves the work efficiency of doctors, and therefore, the gradient motor function automatic evaluation system has high application value.

The invention discloses a method for evaluating a spicy level of a duck neck. The method comprises the following steps of carrying out pungency degree index evaluation on a duck neck standard sample in order to obtain a pungency degree index conversion formula; carrying out spicy intensity evaluation on the duck neck standard sample; analyzing a spicy intensity evaluation result by adopting clustering analysis in order to obtain spicy level classification of the duck neck standard sample; analyzing a spicy level classification result by adopting a DFA analysis method in order to obtain a boundary line of the spicy level of each type; fitting a linear regression equation by taking the score of a principal component 1 of each duck neck standard sample as a Y axis and a pungency degree indexas an X axis; substituting the boundary line into the linear regression equation in order to obtain a pungency degree index interval; and substituting the pungency degree index interval into the pungency degree index conversion formula, obtaining the content of capsaicin at each spicy level through calculation, forming a duck neck spicy level standard table and then obtaining the spicy level of ato-be-tested sample. The method is obtained based on a multivariate statistical method, and the accuracy of an evaluation result is high.

The invention provides a building coating odor evaluation method and application, and relates to the technical field of coating odor determination. The building coating odor evaluation method comprises the following steps that: a sealed odor room is provided, a building coating is coated on the wall of the odor room, an exhaust fan in the odor room is turned on, the gas in the odor room is conveyed to a gas storage device outside the odor room through using a gas conveying pipe connected with the exhaust fan, and the gas evaluator evaluates the odor of the building coating by smelling the gasin the gas storage device. The building coating odor evaluation method provided by the invention is more suitable for the actual use condition of the building coating, can avoid seamless mixing of thecoating odor and the air, enables the evaluation result to be more accurate, can better reflect the odor of the building coating, provides a unified detection method for evaluating the odor of the building coating, and has a wide application prospect in the field of detection of the odor performance of the building coating.

The invention belongs to the dangerous material mechanical environment test safety protection technical field, and concretely relates to a propellant container mechanical environment test safety protection method. The method comprises test risk analysis, test safety protective measures and safe operation requirements in a test process, and performs protective work on the aspects of active protection (explosion protection) and passive protection (explosion resistance). Active protection is mainly reflected in electrostatic protection, fire protection, lightning protection and operating personnel work standard enhancement; passive protection is mainly reflected in test site infrastructures, remote control, station site selection control and test flow arrangement. The method is suitable for a propellant container mechanical environment test employing a real propellant, and can obtain more accurate examination results, directly perform test run performance examination after the mechanical environment test, and solve the safety risks of container leakage and fracture under the recombination action of dynamic stress and internal pressure in the mechanical environment test.

The invention discloses a new algorithm for quickly evaluating roundness. The new algorithm comprises the following steps: S1, calculating the least square circle center coordinate and the least square roundness of the section contour of a measured rotary body by using a least square method; s2, picking a point (xmax, ymax) farthest from the least square circle center and a point (xmin, ymin) closest to the section contour of the measured rotary body, and moving the circle center along a bisector 1 of a radius at the farthest point and a radius extension line at the closest point according to a certain step length lambda to obtain an updated circle center and roundness; s3, repeating the step S2 according to the obtained updated circle center until the updated roundness value is greater than the last roundness value, and stopping moving; s4, outputting a last roundness value, namely a final evaluation result. According to the invention, an evaluation result which is accurate enough can be obtained in a short time, and the problem of roundness evaluation is successfully solved.

The invention relates to the technical field of grain size detection, in particular to a method for displaying the high-strength steel grain size. The method comprises the following steps of 1, assembling a stress guiding device, wherein a sample is machined into a beam of the corresponding specification, and then, the beam is assembled into the needed stress guiding device; 2, performing standingof a hydrogen inflation solution, wherein the assembled stress guiding device is placed into the hydrogen inflation solution for electrochemical hydrogen inflation, and standing is performed for 5 min-4 h; 3, measuring the grain size and evaluating the grain size level, wherein after the sample is broken, the sample is placed under a scanning electron microscope for magnifying and observing, thegrain size is measured, and the grain size level is evaluated. After the method is adopted, in the display process, a corrodent does not need to be found for grain boundary corrosion, in the grain boundary showing process, the grain size in steel cannot change, and the evaluating result is more accurate. Grain boundary corrosion is not involved, no grain size change is caused in the experiment process, and the high-strength steel grain size can be well evaluated.

The invention discloses a test method for the bonding fastness of a bearing shell sprayed antifriction layer. The method includes the steps of: S1, selecting 3 undamaged bearing shells randomly, and removing oil stains from the surfaces of the sprayed bearing shells; S2, fixing a first bearing shell, using a knife to cut out two sets of parallel lines on the sprayed antifriction layer, wherein the two sets of parallel lines cross with each other to form a number of rhombus regions; S3, pasting a test adhesive tape to grids formed by the cut lines, and then using a smooth round rubber rod to roll the test adhesive tape; S4, tearing off the test adhesive tape with force, observing the surface state of the sprayed antifriction layer at the pasting part, and then evaluating the bonding fastness of the sprayed antifriction layer and the bearing shell; and S5, repeating the step 2, 3 and 4, conducting bonding fastness test on the second bearing shell and the third bearing shell in order, integrating the three evaluation results, and rating the bonding fastness of the sample's bearing shell sprayed antifriction layer. The method provided by the invention is simple in operation and suitable for conventional laboratories, and also the whole test operation is scientific and standard, and the test result evaluation is accurate.

According to a device and method for evaluating the driving road condition, an accelerator controller is adopted to control the accelerator opening degree, and a vibration sensor is used for collecting vehicle vibration signals; under a certain accelerator opening degree, vehicle vibration signals of different road sections belonging to a certain grade of road conditions are collected, a vibrationsignal characteristic value of each road section is extracted based on the collected vehicle vibration signals, the vibration signals of multiple road sections are collected and summarized, and a vibration signal characteristic value set of the corresponding grade of road conditions is formed; and finally, the current driving road condition level of the vehicle is judged according to the set to which the current vehicle vibration signal characteristic value belongs. The method can better adapt to unfamiliar road sections, so that the vehicle has better environmental adaptability, the vibration signals in the vehicle are taken as direct data, the influence of the shock absorption performance of the vehicle and the vehicle body structure on the current driving road condition grade evaluation is eliminated, the method has wider adaptability, and the evaluation result is more accurate and unified.

The invention relates to simulated serving machine and a ball-hitting video collecting diagnostic system and provides a pat-holding manipulator simulating server. The simulated serving machine is composed of a pat-holding manipulator (1), a gravity ball supply sending control mechanism (2), a ball-hitting rotary control mechanism (3) and a coordinated action control mechanism (4). The simulated serving machine is characterized in that the pat-holding manipulator (1) is located at the outlet of the gravity ball supply sending control mechanism (2), the ball-hitting rotary control mechanism (3)is arranged at the pat-holding manipulator (1), the coordinated action control mechanism (4) is electrically connected to the ball-hitting rotary control mechanism (3) and the gravity ball supply sending control mechanism (2), and the ball-hitting rotary control mechanism (3) controls the pat-holding manipulator (1) to finish a ball serving action.

The invention relates to a quantum key security evaluation method, a quantum key security evaluation device and a medium. The quantum key security evaluation method comprises the following steps: acquiring an optical pulse signal sequence of quantum key security to be determined, wherein the optical pulse signal sequence comprises a quantum key sent by a sender to a receiver; and in response to determining that the optical pulse signal sequence is a non-independent pulse sequence and the optical pulse signal sequence has a post-pulse effect, determining the security of the quantum key included in the optical pulse signal sequence based on detecting a first detection rate of the optical pulse signal sequence. Through the quantum key security evaluation method provided by the invention, the security of the quantum key sent by the sender to the receiver can be determined according to the influence of the post-pulse effect and based on the detected first detection rate of the optical pulse signal sequence in the process of sending the optical pulse signal sequence. Therefore, the accuracy of detecting the security of the quantum key is improved, and the obtained evaluation result is more accurate.

The embodiment of the invention provides a generating method, device, medium, and electronic equipment of a rating scale. The generating method of the rating scale comprises the steps that health dataof a rating object is obtained; a rating scale template used by the rating object is determined; the rating scale template is adjusted according to the health data to generate a rating scale for therating object. The technical scheme of the embodiment of the invention realizes the purpose that the rating scale can be adaptively adjusted based on different rating objecTS, and can further evaluateand analyze the different rating objecTS by adopting more scientific rating items, so that more scientific and accurate evaluation resulTS are obtained, the efficiency of the rating work can be improved, and the user's satisfaction with the rating process can be improved.

The invention belongs to the technical field of musical instruments, and discloses an acoustic detection method for cello resonance box informationization based on impedance technology, recording and collecting sound data information of cello performance; dispatching and tuning module to adjust the collected sound standard; The frequency component of the sound signal is compared and analyzed with the frequency component of the sound information of the selected musical instrument; the collected sound data information is stored; and the detection report is generated according to the analysis result. The invention can easily analyze the monophonic and compound tones played by the musical instrument, can correctly analyze the input digital sound, and can extract it as quantitative data; it can analyze and detect more comprehensively, which is beneficial to playing skills improvement.

The invention relates to the field of computer-aided measurement, in particular to a comprehensive installation error rapid evaluation method for a hole-series sliding block based on mathematical evaluation, the method comprises the following three steps: 1, acquiring geometric design parameters and measuring points of the hole-series sliding block; 2, solving the fitting radius and the fitting azimuth deviation of each sliding block hole; 3, solving the comprehensive installation error of the hole system sliding block according to the fitting radius, the fitting translation error, the fitting angle error, the nominal diameter, the distribution circle diameter, the hole length and the hole number of the sliding block holes.

The invention relates to the field of computer-aided measurement, in particular to a mathematical-evaluation-based rapid evaluation method for comprehensive installation errors of two flange plate hole systems. The method comprises the following steps: step 1, acquiring geometric design parameters and measuring points; step 2, solving the fitting radius and the fitting azimuth deviation of each mounting hole; and step 3, solving a comprehensive installation error between primary and secondary flange plate hole systems according to the nominal diameters, the distribution circle diameters, the hole number, the fitting radius and the fitting translation error of the primary and secondary flange plate installation holes.

The invention provides a method and equipment for quantitatively evaluating the cracking risk of a concrete structure indoors. Namely, two metal template frames with the same structure are arranged in a variable temperature chamber, one metal template frame is hollow, and the other metal template frame is used for pouring a concrete test piece; strain gauges are pasted at the centers of the top surfaces of the two metal template frames; the temperature of the variable temperature chamber is adjusted, the internal temperature of the concrete structure in the on-site pouring process is simulated, concrete is poured into one of the metal template frames according to the on-site concrete structure pouring process, and in the pouring process, under different age periods of a concrete test piece at different internal temperatures through a strain gauge and a strain acquisition instrument, deformation of the metal formwork frame with the hollow interior and the metal formwork frame with the concrete test piece poured inside are obtained in real time; a concrete test piece constraint stress curve is drawn; and whether the concrete test piece has a cracking risk or not isdirectly evaluated according to the drawn concrete test piece constraint stress curve.