64results about How to "Easy performance analysis" patented technology

A system and method are provided for performing competitive business and/or financial analyses. The systems accept input concerning a specific business such as the industries and geographical markets in which the business operates. Based on the type of report selected, the system retrieves business and financial data concerning the industries and markets, and then computes a number of relevant statistical factors. Tabular and/or narrative reports are generated based on the computed statistical factors.

The invention discloses a concurrent processing method of a Java EE application server which belongs to the technical field of software; the application server of the invention comprises one or a plurality of request processing units; each request event is processed in sequence by one or a plurality of request processing units; each request processing unit examines that whether the idle share resource which is needed for processing the request event exists before processing the request event, if so, the thread is distributed for the current request processing unit and the request event is processed, and if not, the thread is not distributed for the current request processing unit and waiting is carried out until the needed idle share resource exists. Compared with the prior art, the method of the invention reduces the block of thread resource caused by the competition of the share resource, improves the capacity of concurrent processing of the Java EE application server, leads the adjustment and the performance analysis to be more convenient and is beneficial to the positioning of the performance bottle-neck.

The invention discloses a service call topology based distributed application performance monitoring method. By monitoring a network call request of a distributed application service, a caller, a callee and request time are analyzed; and by establishing a mathematic model, a processing delay of the service is determined and a service call topology of an application is further determined. Through the service call topology of the application and the delay information of the service, visual application state analysis is provided for operation and maintenance personnel, so that the distributed application can be conveniently debugged and analyzed in performance. The method has universality, can be used for any distributed application, and is real-time; collected data is not subjected to post analysis; and the problems and a system bottleneck can be discovered in time and fed back to the operation and maintenance personnel. The method is simple to realize and easy to operate, has the characteristics of extendability and easiness for deployment, and is suitable for providing performance monitoring for the distributed application.

The die bonder includes a machine frame. A control box is located at lower end of machine frame, and wafer bed and chute feeder are located on top of it. Under the wafer bed, the thimble is mounted. At the both ends of chute feeder, the loader and lay off machine are separately connected, and the claw and welding arm are also connected. The image collection device is located above it, and a heater is located under it. The image collection device is connected with the control circuit in the control box.

The invention discloses a log service platform based on ELK. The log service platform comprises a Logstash module, a Redis clustering module, a Logstash clustering module, a load equalizer, an ElasticSearch clustering module, a Kibana module, a log auditing module and an SDK, and the Logstash module is used for receiving a log which is generated by a system and is based on a file; the Redis clustering module is used for receiving the log collected by the Logstash module, cached in memory and pushed through a UDP in real time; the Logstash clustering module is used for receiving the log outputby the Redis clustering module; the load equalizer is communicated with data of the Logstash clustering module; the ElasticSearch clustering module is used for writing the log output by the Logstash clustering module; the Kibana module is connected with the ElasticSearch clustering module; the log auditing module is connected with an ElasticSearch database in the ElasticSearch clustering module; the SDK is used for analyzing data interface response time and comprises an overtime early warning module. The platform provides the log conveniently recording different storage modes in many modes andfacilitates problem searching, auditing analysis and performance analysis.

The invention provides an electromechanical servo comprehensive control and energy source management device, which is used for servo motor control and energy source management, and comprises a microprocessing circuit, detecting circuits, a signal conversion circuit, an isolation driving amplifying circuit and an energy source management circuit, wherein the detecting circuits comprise a first voltage detecting circuit, a first current detecting circuit, a second voltage detecting circuit and a second current detecting circuit. The electromechanical servo comprehensive control and energy source management device provided by the invention has the advantages that the comprehensive management of absorption and release of energy sources can be realized, in addition, the system composition is simplified, the system weight is reduced, and meanwhile, the self test of an electromechanical servo system can be realized.

The invention discloses a program broadcast testing method and device. The method is used for testing programs of an IPTV service system through a set top box. The method includes the following steps of: obtaining a broadcast testing request, wherein the broadcast testing request contains at least one target program identifier; controlling the set top box to switch a target program corresponding to the target program identifier according to the broadcast testing request; obtaining interactive information transmitted between the set top box and the IPTV service system; and testing the broadcast situation of the target program according to the interactive information so as to obtain testing results. Compared with the prior art, interferences which are caused by a situation in which a set top box is operation manually and the broadcast situation of a program is tested through subjective judgment can be eliminated, and testing efficiency is high, and the testing results has high accuracy.

The invention provides a large-scale CFD parallel computing method based on distributed Mysqul cluster storage, and relates to communication between cooperating processes and data storage on multiple computing nodes. The large-scale CFD parallel computing method comprises the steps that the CFD process on each computing node be connected to a database through the fact that an API is driven by a Mysql, and initial data are acquired from a database to be used for computing; according to the CFD process, MPI protocol communication is used in the computing process, and the data or global reduction information on a zone boundary are/is exchanged; for data on each iterative step, the process is connected with a handle through the Mysqul to write the data into the database; after CFD parallel program computing is completed, Mysqul clusters are synchronized to obtain complete data in the computing process. Compared with an existing CFD parallel computing method, an open source Mysql database is fully used for achieving high performance and high reliability of data storage, and various information and data in the computing process can be flexibly and completely stored by CFD parallel programs. According to the large-scale CFD parallel computing method, a development process is simplified, the wall time of execution of the CFD parallel programs is reduced, the practicability is high, and popularization is easy.

The invention relates to an intelligent driving vehicle test system, which comprises a data acquisition module, a test module, a monitoring module and a power supply module. The power supply module isconnected with the data acquisition module and the test module, and the monitoring module is wirelessly connected with the data acquisition module. The data acquisition module is used for acquiring test data and sending the test data to the test module in real time. The test data comprises vehicle data and fusion data of all the vehicle data. The test module is used for receiving the test data and detecting the vehicle perception performance, the fusion performance and the vehicle function based on the test data. The monitoring module is used for remotely monitoring the current state of the data acquisition module and an acquisition task. The power supply module is used for supplying power to the data acquisition module and the test module. According to the invention, the test data of thevehicle can be acquired in real time for vehicle performance analysis, and unified online management of the data acquisition module is realized.

A failure analysis apparatus 10 is composed of an inspection information acquirer 11 for acquiring a failure observed image P2 of a semiconductor device, a layout information acquirer 12 for acquiring layout information, a failure analyzer 13 for analyzing a failure of the semiconductor device, and an analysis screen display controller 14 for letting a display device 40 display information about a result of the analysis. The failure analyzer 13 sets an analysis region with reference to the failure observed image P2, and extracts a net passing the analysis region, from a plurality of nets included in a layout of the semiconductor device. This substantializes a semiconductor failure analysis apparatus, analysis method, and analysis program capable of securely and efficiently performing the analysis of the failure of the semiconductor device.

The invention discloses a radar echo semi-actually-measured data simulation method, belonging to the technical field of radars. The semi actual measurement simulation is a simulation method between pure digital simulation and physical simulation, and can implant a designed radar transmitted signal into a real radar signal echo. Take the actually measured radar data with a transmitted signal as anLFM signal as an example, all the actually measured data, whether it is a target or clutter, is echoes of the LFM signal, and contains information of LFM. If a signal is newly designed, the newly designed radar signal is expected to be implanted into the actually measured radar echo to obtain an echo of a new transmitted signal in a complex environment, thereby being beneficial to investigating signal processing and target extraction performance of a radar receiving module under the signal system. The radar echo semi-actually-measured data simulation method can utilize the existing signal actually measured data echo to complete semi-actually-measured radar echo simulation of the newly designed signal.

The invention discloses a photovoltaic module adjusting circuit and remote monitoring system. Two adjacent photovoltaic modules connected in series are connected with an adjusting circuit. When one photovoltaic module is overshadowed or is under other non-normal conditions to result in inconsistent voltages of the adjacent photovoltaic modules, the adjusting circuit starts to work and adjusts the voltages of the adjacent photovoltaic modules to make the voltages consistent so as to realize terminal voltage balance and improve the overall output power of the module string. The adjusting circuit is provided with a digital signal processor, a communication module and a monitoring terminal. Voltage, current and temperature state of the photovoltaic modules can be monitored in real time, the state information of the photovoltaic modules can be collected, and any series-connected photovoltaic module which is overshadowed or is under other non-normal conditions can be automatically adjusted. The overall output power of the photovoltaic module string is improved. A controller is high in efficiency and low in loss. The adoption of a graphical monitoring terminal interface enables users to conveniently perform performance analysis and fault diagnosis on a photovoltaic system.

The invention relates to a homogenizing coupling modeling method for a multi-energy system. The method comprises the following steps: establishing a homogenizing coupling model for the multi-energy system on the basis of a power bond graph theory; identifying the key characteristic parameters of the homogenizing coupling model for the multi-energy system; analyzing the precision of the homogenizing coupling model for the multi-energy system on the basis of practical running data; analyzing the applicability of the homogenizing coupling model for the multi-energy system to different typical running scenes and optimizing and adjusting the key characteristic parameters of the homogenizing coupling model for the multi-energy system. The method contains various energy categories and can solve various nonlinear problems; the signal flow direction, the power flow direction and the energy flow direction in the system can be accurately reflected, a system model can be conveniently established by referring to an entity and the system can be subjected to performance analysis; modularization modeling can be performed and the model can be quickly and conveniently modified; the modeling and analyzing problems in various energy forms are treated in a uniform manner in the multi-energy system, so that the method has the characteristics of simple structure, high contained information amount, regular dynamic modeling process, and the like.

The invention relates to a method for evaluating a sound source positioning result of a sound imaging instrument based on image processing. According to the method, an azimuth angle error and a pitchangle error of the sound source positioning result in a sound imaging cloud picture shot by the sound imaging instrument are used as evaluation indexes of a sound source positioning error of the soundimaging instrument. Then, an image processing technology is used for extracting a target sound source of the sound imaging cloud picture, and center coordinates of the target sound source are calculated. Position coordinate information of the target sound source in an actual physical space is obtained through image calibration. Finally, the sound source center coordinates of the target sound source in the sound imaging cloud picture are compared with the position coordinates of the target sound source in the actual physical space, and the azimuth angle error and the pitch angle error are obtained through calculation. From the image processing technology, the problem that the sound source positioning result of the sound imaging instrument is relatively difficult to evaluate in a long-distance state is solved; the evaluation method can accurately evaluate the sound source positioning result of the sound imaging instrument, so that the performance analysis of the sound imaging instrumentis facilitated; and the image processing technology is simple to operate.

The invention relates to a method for quickly acquiring camera parameters in the wide-range vision coordinate measurement, comprising the following steps of: establishing a world coordinate system according to a specific reference substance; taking two optical targets as two known coordinate points; respectively acquiring picture data of the two optical targets and corresponding image coordinates through two CCD (Charge Coupled Device) cameras; measuring the positions of the two optical targets through an electronic total station or a GPS (Global Positioning System), that is to say world coordinates of the two optical targets; measuring the translation vectors of the two CCD cameras through the electronic total station or the GPS; and substituting the world coordinates of the two optical targets, the image coordinates of the two optical targets and the translation vectors of the two CCD cameras into a measurement equation and resolving to obtain the focus lengths of the two CCD cameras and the horizontal declination angle of an optical axis. The method disclosed by the method has the characteristics of high speed, strong operability, easily-analyzed practical and algorithm performances, higher precision, suitability for long distance and the like; and the camera parameters can be solved linearly once by only placing the two optical targets.

The invention provides a design method of a moving cam contour line during sine acceleration linear motion of a roller center. The design method aims at overcoming defects that existing design of the moving cam contour line is lack of a reference method, and the design is conducted manually by experience. The cam contour line formed through the design method comprises ascent stage sine curves EN and NF, a horizontal stage line FF<f> and descent stage sine curves F<f>N<f> and N<f>E<f>, and a contour curve of a moving cam is obtained by connecting lines of all the stages. The design method of the moving cam contour line during the sine acceleration linear motion of the roller center has the advantages that the moving cam contour line obtained through the design method is smooth and continuous, the phenomenon of cuspidal points or motion distortion does not occur, when the roller center conducts sine acceleration reciprocating linear motion, saltation of the moving speed of the roller center does not occur, the rigid shock of a cam mechanism is eliminated, vibration and noise of a moving part are reduced, the transmission efficiency of the mechanism is improved, and the service life of the mechanism is prolonged; the design method is visual in process and easy to master, and convenience is provided for performance optimization and numerical control machining of the moving cam mechanism.

The invention relates to a test device and a test method for simulating atmospheric corrosion. The test device comprises a test box, an illumination module, a salt spray module for providing salt spray for the test box and a temperature and humidity module for adjusting the temperature and humidity in the test box, wherein a sample rack is arranged in the test box, and the illumination module forsimulating the solar illumination is arranged at the upper part of the test box and is positioned in an upper space of the sample rack. According to the present invention, a stable test environment isconducive to being provided, the sunlight irradiation can be simulated while atmospheric rainfall is simulated, the service environment of a sample under different working conditions can be simulated, the test conditions of the test device can be monitored and controlled effectively, and the comprehensive analysis to the sample is conducive.

The invention discloses an anisotropic structure thermal-mechanical coupling multi-objective topological optimization method based on a meshless EFGM and a parameterized level set method. The method comprises the following steps: (1) inputting a Poisson's ratio factor, a thermal conductivity factor, a material direction angle and other material attributes of an anisotropic structure, and carrying out the discrete design of a domain through meshless nodes; (2) initializing a level set function of the meshless nodes; (3) interpolating a level set function by adopting a radial basis function in combination with the parameterized level set method; (4) solving a displacement field and a temperature field of the anisotropic structure based on meshless EFGM; (5) based on meshless EFGM and PLSM theories, establishing a mathematical model for thermal coupling multi-target topological optimization of the anisotropic structure; (6) inputting a termination condition, and judging whether an optimization loop is converged or not; (7) calculating a normal velocity field of a structure boundary; (8) programming, solving and optimizing the model, and updating the level set function. According to the method, thermal-mechanical coupling multi-target topological optimization of the anisotropic structure is carried out based on the meshless EFGM and PLSM, the calculation efficiency is high, the boundary of the topological structure is clear and smooth, and the method is simple and practical.

The invention discloses a disconnector dynamic discharging process simulation device as well as a test device and method thereof. The disconnector dynamic discharging process simulation device comprises a moving sphere gap arm, an adjusting sphere gap arm and an electrical cabinet, wherein both the moving sphere gap arm and the adjusting sphere gap arm comprise connection bases, guide rail bases,guide rails, slide blocks, clamping bases, connecting rods and discharging spheres; the moving sphere gap arm further comprises a cylinder; the connecting rod of the moving sphere gap arm is connectedwith a cylinder shaft; the adjusting sphere gap arm further comprises a locking mechanism; the locking mechanism is used for fixing the slide block of the adjusting sphere gap arm to the guide rail of the adjusting sphere gap arm; and a pneumatic control circuit is arranged in the electrical cabinet. Through adoption of the disconnector dynamic discharging process simulation device, the practicalswitch-off/on discharging processes of a disconnector can be simulated, and the difference from the practical working condition of the disconnector is relatively small.

The invention discloses a nuclear fuel irradiation test method, and belongs to the technical field of research on reactor fuel irradiation. The nuclear fuel irradiation test method comprises the following steps: packaging fuel, wherein filling the fuel into pre-processed and installed and welded fuel assemblies each with a one-way opening, arranging each a pair of the assemblies to be one group between clamping block assemblies side by side; conveying a test section into a reactor, wherein hoisting the test section in the reactor from the reactor top, irradiating the test section to be at a reactor core active section, and connecting a irradiation device section with the reactor top through a flange in sealed connection; carrying out in-reactor test, wherein testing and monitoring relatedparameters after the fuel enters the reactor along with the irradiation device; and discharging the test section out of the reactor, wherein discharging the fuel after a irradiation neutron fluence specified by the test is reached through irradiation. The nuclear fuel irradiation test method is invented aiming at the irradiation requirement of novel nuclear fuel in reactors; the nuclear fuel irradiation test method is more economical and reliable, can reflect the irradiation condition of the nuclear fuel in the reactor in real time, and accurately obtain related irradiation parameters.

The invention relates to the technical field of buildings, and provides a building structural system. The building structural system comprises a main structure for bearing lateral force and a substructure vertical load and a substructure for realizing a building function; the main structure comprises a plurality of large space layer structures which are arranged in a stacked mode, each large spacelayer structure comprises a plurality of large columns, a plurality of girders disposed between every two adjacent large columns and a floor system disposed at the top ends of the multiple large columns, a space for accommodating the substructure is formed by the multiple large columns, the multiple girders and the floor system, and the large columns, the girders and the floor system are manufactured by a prefabrication mode and then assembled; the substructure includes a plurality of stress members and a plurality of enclosure members disposed between every two adjacent stress members, the multiple stress members are manufactured by a prefabrication mode and assembled with each other, and the enclosure members are manufactured by a prefabrication method and then assembled on the stress members. The division of the stress of the main structure and the substructure of the building structural system is clear, prefabrication and assembly construction is convenient, and the construction progress can be accelerated.