43results about How to "Performance pros and cons" patented technology

The invention provides a temperature experiment based fiber ring characteristics testing system, which is composed of a wide-spectrum light source for high-precision fiber gyroscope (1), a polarization-maintaining coupler (2), Y-shaped waveguides (3,4), a fiber ring to be tested (5), a quick temperature control testing box (6), high-sensitivity optical power meters (7,8,9), computer and software (10.11, 12) for data reception of computer serial port or GPIB port. The invention provides a fiber ring characteristics testing method without circuit matching based on temperature excitation experiment, which comprises: reflecting the influence of temperature change to optical signal polarization according to change of output power polarized by the Y-shaped waveguide, detecting symmetry of output signal at two ends of the fiber ring by a symmetric optical path, and detecting the influence of thermal nonreciprocal phase shift to interference effect. When applying the same testing device and testing method, the invention is capable of providing comparative index value with reliable quality of the fiber ring, and providing standard for selecting high-performance fiber ring.

The invention relates to a power quality fuzzy evaluation method processed through an improved empowerment algorithm. According to the method, first, normalization processing is performed on all indexes of power quality; appropriate indexes are selected for evaluation, wherein the indexes which are excellent all the time are not used for evaluation, and the indexes with index values smaller than 0.1 after normalization are removed; weight calculation is performed on the selected indexes, wherein an analytic hierarchy process (AHP) is adopted to perform subjective weight calculation, an improved entropy weight method is adopted to perform objective weight calculation, and then a subjective and objective composite weight is obtained through merging; the obtained composite weight is converted into a weight angle in a radar map, the area and perimeter of the radar map are obtained through calculation in combination with all single index values, and a comprehensive index evaluation value is obtained according to the area and perimeter of the radar map; and after a comprehensive index weight value is determined, the comprehensive index weight value is substituted into a membership function, and the fuzzy evaluation method is adopted to perform grading evaluation on the obtained indexes. By means of converting single indexes into a comprehensive index through an improved radar map method, comprehensive index processing is performed on power quality, and goodness and badness of the indexes can be displayed vividly.

The invention relates to an automatic parking function real vehicle test system and test method. The automatic parking function real vehicle test system comprises a vehicle subsystem, an unmanned aerial vehicle subsystem and a data processing and display subsystem. The vehicle subsystem is used for acquiring and transmitting the vehicle attitude, parking place position and obstacle position data calculated by an automatic parking controller. The unmanned aerial vehicle subsystem carrying the image sensor is used for acquiring the real vehicle attitude, parking place position and obstacle position data. The data processing and display subsystem is used for displaying the real data of the vehicle, the parking place and the obstacle and the calculation data of the automatic parking controllerin real time and can process the data and give quantitative indictors. The automatic parking function real vehicle test system and test method are convenient to move and suitable for multiple conditions, the real vehicle and the real sensor are applied to perform functional verification, the automatic parking effect can be visually displayed and the automatic parking performance can be objectively evaluated by the data processing and analysis result.

The invention relates to a method for testing a base band chip of a satellite navigation receiver. The method comprises the following steps in turn: receiving a navigation satellite radio-frequency signal and converting the radio-frequency signal into a digital intermediate-frequency signal; acquiring the obtained digital intermediate-frequency signal and converting the digital intermediate-frequency signal into a binary file; storing the obtained binary file; playing back the stored binary file to form the digital intermediate-frequency signal and transmitting the digital intermediate-frequency signal to the tested base band chip; and performing result accuracy judgment on the output of the tested base band chip. The method reduces the expense required for constructing a plurality of test platforms, and facilitates the judgment of the accuracy of the output of the to-be-tested base band chip on finer resolution.

The invention discloses a dynamic evaluation device and method for scale inhibition performances of reverse osmosis scale inhibitors. The dynamic evaluation device is characterized in that a water outlet pipeline of a raw water tank is connected to the water inlet end of a self-cleaning filter through an ultrafiltration water pump, in the water outlet pipeline of the self-cleaning filter, an ultrafiltration membrane, an ultrafiltration water tank, a reverse-osmosis low-pressure pump, a reverse osmosis cartridge filter, a reverse-osmosis high-pressure pump and a reverse osmosis membrane are sequentially arranged in series from a water outlet of the self-cleaning filter, one path of a water producing hole of the reverse osmosis membrane is connected to a total reflux inlet A, and the other path of the water producing hole of the reverse osmosis membrane is connected to a water collecting tank, one path of a concentrated water hole of the reverse osmosis membrane is communicated with the total reflux inlet A, and the other path of the concentrated water hole of the reverse osmosis membrane is connected to the water collecting tank; and the total reflux inlet A is connected with the ultrafiltration water tank to form reflux. The device and the method can determine the maximal yield of a reverse osmosis system under determined evaluation conditions, determine the advantages and disadvantages of the scale inhibition performances of the different scale inhibitors under the same operation condition, and determine the scale inhibition performances of the scale inhibitors on different scaled materials.

The present application discloses a signal error warning method, and relates to the field of communication technologies. The method includes that: an optical module receives an optical signal sent byan optical fiber through a line side interface, converts the optical signal into a digital signal, and sends the digital signal to an FEC module; the FEC module counts the number of errors in the digital signal, and calculates the error rate of the digital signal. When the error rate is lower than a preset threshold, the digital signal is corrected, and the error-corrected digital signal is sent to a PCS module, and when the error rate is higher than the preset threshold, the error alarming is performed. The present application solves the problem that if the digital signal has an error, the processing device may have a processing error; when the error rate is lower than the preset threshold, the error-corrected digital signal is sent to the processing device, and when the error rate is higher than the preset threshold, the error alarm is sent to remind the technician to perform the fiber maintenance.

The invention discloses an electromagnetic valve detection method and an electromagnetic valve detection device for a main steam isolation valve of a nuclear power plant. The detection method comprises the following steps: an electromagnetic valve to be detected is connected in series to a detection circuit, and the detection circuit detects a curve of change of current with time in the closing and releasing process of the electromagnetic valve and gets an operating current IA value and a rated current IC value; and the performance state of the electromagnetic valve is judged according to the ratio of the operating current to the rated current. The detection device comprises a direct-current power supply, a standard resistor and a voltage detection mechanism. The direct-current power supply, the electromagnetic valve to be detected and the standard resistor are connected in series into a loop through a wire, and the voltage detection mechanism is connected in parallel to the two ends of the standard resistor. The detection method of the invention can be used for accurately judging the performance of the electromagnetic valve, has a clear judgment standard on the time of action and the spring adjustment strength of the electromagnetic valve, and is simple and reliable in operation. The detection device has the advantages of simple structure, reliable detection and convenient use.

The invention relates to a context information processing-oriented QoX quality-system system and a working method thereof. The system includes a quality-of-device (QoD) module, a quality-of-context (QoC) module, a quality-of-service (QoS) module and a quality-of-experience (QoE) module. The quality-of-service module calculates QoS parameters of system service, generates corresponding adjustment information, and delivers the same to the quality-of-device module. The quality-of-device module selects a collection device, which meets system requirements, according to the adjustment information. The quality-of-experience module acquires a QoE index of a user on entire application service, generates feedback information, and sends the same to the quality-of-context module. The quality-of-contextmodule adjusts a preset QoC value according to the feedback information to form self-adaptive closed-loop regulation. According to the system, QoX is defined as a hierarchical comprehensive quality index of fusing QoD, QoC, QoS and QoE, and is used to express an overall quality level of a target system and measure advantages and disadvantages of system performance.

The invention belongs to the technical field of test equipment of a hydraulic system in coal mine heading equipment, particularly relates to a hydraulic multifunctional test stand for a heading machine, and solves the problems that working hours are wasted and pollution to the system is caused due to the fact that the test device for the hydraulic system for the heading machine is absent in the prior art, and the hydraulic system is required to be mounted on the whole machine for debugging. The hydraulic multifunctional test stand comprises a main test module unit which comprises a hydraulic pump test module, a hydraulic motor test module, a hydraulic oil cylinder test module and a hydraulic valve test module. According to the hydraulic multifunctional test stand, early-stage component test research is provided for the heading machine in aspect of an advanced technology, and a design and development period of the whole machine is shortened, so that the product seizes the market in first time. Meanwhile, using performances of key components of the heading machine also can be improved, so that the reliability of the whole machine is improved, the maximal effect of the heading machine is brought into play, and the core competitive capacity, on the market, of the heading machine product is improved. The hydraulic multifunctional test stand has a relatively great market prospect.

The invention discloses a stereo image objective quality evaluation method base on matrix decomposition which is designed from the aspect of structure distortion, capable of effectively using singular value stability, well representing stereo image structure information, making use of the fact that a hessian matrix can well represent of image texture or bump, making use of the fact that singular value can well represent structure information of an absolute difference value figure, fully considering sensitivity of a human eye to an area, integrating stereo image quality and depth perception quality, effectively improving relevance between stereo image objective quality evaluation result and subjective perception, accurately measuring distortion degree of the stereo image, and providing a performance evaluation criterion for an encoding method, a drawing method, an error hiding method and the like in a stereo system.

The invention relates to a shaving cutter design method based on analysis on a meshing contact property of shaving gears, belongs to the field of non-linear contact theories and gear surface machining. The shaving cutter meeting a shaving condition and with excellent meshing performance is designed according to workpiece gear parameters based on a meshing theory and a contact theory; the shaving gear meshing contact property (including a normal acting force, a contact stress and deformation of arbitrary curvature radius on an effective tooth profile) is derived by building a mathematical model and a mechanical model about meshing of the shaving gears; the parameter of the shaving cutter is modified according to the contact property and the shaving condition; the modified meshing contact property is acquired after checking computation on universality of the shaving cutter is met; and finally the shaving cutter design parameter is determined. According to the method of the invention, the shaving cutter with excellent contact performance can be accurately designed, a link of trying to use the shaving cutter is effectively avoided, a contact property curve when the shaving gears are meshing is intuitively derived by using a mathematical method, and an important guiding significance is provided for improving shaving efficiency and reducing meshing impacts and tooth errors of the shaving gears.

The invention discloses a complex event processing system based on machine learning and a deploying method of the complex event processing system. The complex event processing system comprises an event detection algorithm managing module, a system feature extracting module, a deployment scheme managing module, a system deploying module, a user feedback acquiring module and an environment feature extracting module. The deploying method comprises the following steps: at first, the event detection algorithm managing module and the system feature extracting module are informed of business rules to be customized and system response requirement according to the business rules customized by a user; and then the system deploying module takes the charge of deploying the scheme selected by the deployment managing module, the user feedback acquiring module distributes user identification for captured system response, the environment feature extracting module acquires the features of the current environment, and the deployment scheme managing module optimizes the current deployment scheme. According to the complex event processing system based on machine learning and the deploying method of the complex event processing system, the deploying method can be optimized according to the deployment environment, and the complex event processing system which meets the demands of the deployment environment can be deployed.

The invention discloses a method for automatically testing characteristics of an electric push rod. By the aid of the method, the characteristics of the electric push rod can be automatically tested, the maximum thrust of the push rod and required time duration of a process that the electric push rod is energized and then moves to the maximum distance can be automatically recorded, and a characteristic curve variation diagram is displayed on a computer; the test is automatically completed after a tripping switch acts in a measurement process; and a test result can be inquired, and a test report is printed via a printer. A test device used in the method mainly comprises the computer, a PC (personal computer) bus on-off output interface board, a PC bus analog input interface board, a pressure sensor (consisting of a conversion interface board) and a testing table for fixing the electric push rod. Software for implementing the method is developed by VB6.0 (visual basic 6.0) software. The method has the advantages of simplicity and convenience in operation, audio-visual user interface, convenience in maintenance and capability of improving automation degree of the test, detection precision and detection efficiency.

The invention discloses a shopping mall cold load prediction method and system oriented to function partitions, and the method comprises the steps: completing the division of the function partitions according to a target shopping mall building plan and business state space layout, and completing the screening of key influence factors of each function partition according to gray correlation analysis; and establishing an Attention-LSTM cold load prediction model improved based on an attention mechanism; seeking optimal parameters of the cold load model through grid search and a cross validation method; and independently completing regional cold load prediction by each function partition, and finally obtaining a cold load prediction result of the whole shopping mall building through a prediction result summation instruction. According to the functional partition-oriented shopping mall cold load prediction, the fluctuation characteristics of the building cold load are highly extracted, and the problem that in the prior art, shopping mall cold load data have the characteristics of high dimension, nonlinearity, high delay and strong time-varying performance is solved. Therefore, the air-conditioning system can effectively track the load change, and a powerful control basis is provided for the energy efficiency research of the transmission and distribution cooling multi-stage pump system, so that the indoor thermal environment is improved, and the air-conditioning energy consumption is reduced.

The invention discloses a lightning arrester with a counting function, mainly applied to an overhead insulation lead; the overhead insulation lead is provided with an insulator and a puncturing wire clamp pole. The lightning arrester comprises a series gap lightning arrester and a support; the series gap lightning arrester is composed of a lightning arrester body, and the puncturing wire clamp pole keeping a certain distance with one end of the lightning arrester body; the other end of the lightning arrester body is installed on one side of the insulator through a support; the lightning arrester body is also in connection with a counter, and the lightning arrester body and the counter are integrated. Compared with the prior art, the lightning arrester has the characteristics of simple structure, lower cost and convenient installation and maintenance, and avoids aging and cracking of the lightning arrester body and prolongs the service life of the lightning arrester body; the series gap lightning arrester has a gap distance, so that even the lightning arrester body breaks down, an apparatus can operate normally.

The invention discloses a shock absorber performance evaluation method according to the action of a vehicle supporting spring and the working principle of a shock absorber. According to the method, adifference value obtained by subtracting a set supporting force value or an equivalent supporting force value of the supporting spring at the current travel position from the gravity of a vehicle bodypart supported by the supporting spring is used as a basis for calculating a reference force value of a tensile damping force value or a compression damping force value of the shock absorber at the current travel position; and the reference force value of the shock absorber at the travel position is used as a basis for controlling or setting the damping force value of the shock absorber and as abasis for determining the performance of the shock absorber. By means of the method, the comfort degree obtained after the shock absorber, the supporting spring and the vehicle weight after matching can be visually determined, and debugging of a vehicle suspension and selection and matching of the shock absorber and the supporting spring become easier; and meanwhile, an optimal damping control scheme of the shock absorber is disclosed, so that the problem of how to realize optimal damping of the shock absorber, which perplexes the shock absorber industry for a long time, is solved.

The invention discloses an indoor testing system of an antenna array based interference rejection module of a global navigation satellite system (GNSS). The indoor testing system comprises a control unit, a multichannel figure interference signal producing unit, an interference rejection processing unit and an interference rejection performance analyzing unit. The control unit is used for controlling types of intermediate frequency figure interference signals produced by the multichannel figure interference signal producing unit, and the multichannel figure interference signal producing unit is used for producing multi-way intermediate frequency figure interference signals. The interference rejection processing unit is the antenna array based interference rejection module of the GNSS and used for rejecting the multi-way intermediate frequency figure interference signals produced by the multichannel figure interference signal producing unit. The interference rejection performance analyzing unit is used for analyzing interference rejection performance of the interference rejection processing unit. The indoor testing system of the antenna array based interference rejection module of the GNSS can test and analyze all stages of an antenna array based interference rejection algorithm in the GNSS receiver, and the problem that testing of the antenna array based interference rejection algorithm is difficult is solved.

The invention provides a preprocessing method of input intermediate-frequency signals. The invention mainly aims to solve the problem that the output performance of a solid-state receiving and transmitting assembly cannot be tested at the absence of no special testing instrument or radar signal processing software or hardware in the prior art. According to the technical schemes of the invention, the method comprises the following steps that: radar real echo signals received by an antenna are converted into multiple paths of digital differential signals through analog intermediate frequency signals obtained through down-conversion of a solid-state transceiving assembly; importing the differential signals into an MATLAB simulation system, and performing down-conversion to obtain baseband signals; carrying out clutter suppression processing on the echo signal condition of the baseband digital signals, and carrying out sidelobe suppression through time domain pulse pressure processing and windowing; suppressing static clutters, sea waves, rain and snow near zero frequency through moving target detection; and selecting different constant false alarm detectors according to echo edge clutter and noise conditions, performing clutter suppression, and displaying a result on a terminal. According to the preprocessing method of the invention, the performance test of the solid-state transceiving assembly can be realized at the absence of special test instrument and radar signal processing software and hardware.

The in-band digital wireless telephone is formed from two portions of mother machine and submachine. Its circuit portion is formed from control circuit, digital signal processing circuit, radio-frequency receiving and transmitting circuit, speech receiving and transmitting circuit, storage circuit, display circuit, keyboard input circuit, A / D converter circuit, interface circuit and power supply circuit which are mutually electrically connected together. Said invention integrates the modern digital signal processing techniques of speech coding, channel coding, digital modulation and demodulation and digital channel equalization into one body, and adopts monolithic integrated circuit chip to implement said invention, so that it can obtain high session quality, etc.

The invention belongs to the field of the thermoelectric refrigeration field, and specifically discloses a thermoelectric refrigeration module life prediction method and device. The method comprises the following steps: accessing a thermoelectric refrigeration module into a work power supply, wherein the thermoelectric refrigeration module performs work according to experienced work-intermittent cycle number, and acquires the stable temperature at hot and cool ends in the work; and then accessing the thermoelectric refrigeration module to a test power supply, acquiring the voltage at the stable work, and measuring the residual voltage at the moment of switching off the test power supply, and computing a thermoelectric optimal value through the voltage and residual voltage of the thermoelectric refrigeration module in stable work, thereby judging the effectiveness of the thermoelectric refrigeration module; and finally predicting the residual life cycle number of the thermoelectric refrigeration module by combining the stable temperature at hot and cool ends, the experienced work-intermittent cycle number and the preset critical thermoelectric optimal value. The related data in theprediction method is easy to acquire, the processing method is simple and convenient, and the method can be applied to the life prediction of the thermoelectric refrigeration module at the long-term stable work occasion, and is in favor of more extensive application of the thermoelectric refrigeration module.

The invention provides a gas nozzle performance testing device and method, and belongs to the field of performance testing. The gas nozzle performance testing device comprises a gas inlet pipeline, agas valve, a flow meter, an anemograph, a rotating platform, a longitudinal displacement mechanism and a transverse displacement mechanism, wherein a gas inlet of the gas inlet pipeline is configuredto be communicated with a gas source, a gas outlet of the gas inlet pipeline is configured to be communicated with a nozzle, the gas valve is arranged between the gas inlet of the gas inlet pipeline and the gas outlet of the gas inlet pipeline, and the flow meter is arranged between the gas valve and the gas outlet of the gas inlet pipeline; the anemograph is provided with a probe, and the centerline of the probe and the center line of the nozzle are positioned on the same horizontal plane; and the anemograph is installed on the rotating platform, the rotating platform is installed on the longitudinal displacement mechanism, the longitudinal displacement mechanism is installed on the transverse displacement mechanism, and a displacement direction of the longitudinal displacement mechanismis perpendicular to a displacement direction of the transverse displacement mechanism. According to the gas nozzle performance testing device and the method, the distribution and flow velocity of gassprayed by the nozzle can be tested, so that the nozzle meeting performance requirements is selected.

The invention provides a temperature experiment based fiber ring characteristics testing system, which is composed of a wide-spectrum light source for high-precision fiber gyroscope (1), a polarization-maintaining coupler (2), Y-shaped waveguides (3,4), a fiber ring to be tested (5), a quick temperature control testing box (6), high-sensitivity optical power meters (7,8,9), computer and software (10.11, 12) for data reception of computer serial port or GPIB port. The invention provides a fiber ring characteristics testing method without circuit matching based on temperature excitation experiment, which comprises: reflecting the influence of temperature change to optical signal polarization according to change of output power polarized by the Y-shaped waveguide, detecting symmetry of outputsignal at two ends of the fiber ring by a symmetric optical path, and detecting the influence of thermal nonreciprocal phase shift to interference effect. When applying the same testing device and testing method, the invention is capable of providing comparative index value with reliable quality of the fiber ring, and providing standard for selecting high-performance fiber ring.

The present invention is an in-band co-frequency digital cordless telephone, which consists of two parts: a main machine and a slave machine, and its circuit part consists of a control circuit, a digital signal processing circuit, a radio frequency transceiver circuit, a voice transceiver circuit, a storage circuit, a display circuit, and a keyboard input circuit , analog-to-digital conversion circuit, interface circuit and power supply circuit are electrically connected to each other. The present invention adopts the same frequency band as the existing analog cordless telephone in my country, can save precious frequency spectrum resources, greatly reduces requirements on required components and production and testing equipment, and has low cost. The present invention integrates the latest digital signal processing technologies such as speech coding, channel coding, digital modulation and demodulation, and digital channel equalization, and adopts a single-chip integrated circuit chip to realize the advantages of good call quality, high spectrum utilization rate, strong anti-interference, It has the advantages of good confidentiality, easy product update and function expansion, and can be compatible with the third-generation mobile communication system.

The invention relates to a method for testing a base band chip of a satellite navigation receiver. The method comprises the following steps in turn: receiving a navigation satellite radio-frequency signal and converting the radio-frequency signal into a digital intermediate-frequency signal; acquiring the obtained digital intermediate-frequency signal and converting the digital intermediate-frequency signal into a binary file; storing the obtained binary file; playing back the stored binary file to form the digital intermediate-frequency signal and transmitting the digital intermediate-frequency signal to the tested base band chip; and performing result accuracy judgment on the output of the tested base band chip. The method reduces the expense required for constructing a plurality of test platforms, and facilitates the judgment of the accuracy of the output of the to-be-tested base band chip on finer resolution.

The invention belongs to the field of the thermoelectric refrigeration field, and specifically discloses a thermoelectric refrigeration module life prediction method and device. The method comprises the following steps: accessing a thermoelectric refrigeration module into a work power supply, wherein the thermoelectric refrigeration module performs work according to experienced work-intermittent cycle number, and acquires the stable temperature at hot and cool ends in the work; and then accessing the thermoelectric refrigeration module to a test power supply, acquiring the voltage at the stable work, and measuring the residual voltage at the moment of switching off the test power supply, and computing a thermoelectric optimal value through the voltage and residual voltage of the thermoelectric refrigeration module in stable work, thereby judging the effectiveness of the thermoelectric refrigeration module; and finally predicting the residual life cycle number of the thermoelectric refrigeration module by combining the stable temperature at hot and cool ends, the experienced work-intermittent cycle number and the preset critical thermoelectric optimal value. The related data in theprediction method is easy to acquire, the processing method is simple and convenient, and the method can be applied to the life prediction of the thermoelectric refrigeration module at the long-term stable work occasion, and is in favor of more extensive application of the thermoelectric refrigeration module.

The invention relates to a program-controlled load impedance switching circuit for a low-voltage power line. The program-controlled load impedance switching circuit comprises a low-pass isolation attenuator, a central control circuit, a load impedance switching device, and a digital tube display; a strong current input port and a USB power supply port are arranged at an input end of the load impedance switching device, an output end of the load impedance switching device is connected with the low-pass isolation attenuator, and the load impedance switching device is connected with the digital tube display through the central control circuit. The program-controlled load impedance switching circuit disclosed by the invention can conveniently accomplish the impedance adjusting on the low-voltage power carrier detection environment. The impedance is controllable when the low-voltage power detection is performed, the operation is simple, and effective data support is provided for researchinglow-voltage power line communication signal quality; particularly, various impedances environments of the power line can be simulated by using the device in the construction of a state grid power utilization information collection system, thereby effectively detecting the performance advantages and disadvantages of a carrier product under different power line loads.

The embodiment of the invention discloses a testing method and device of an algorithm library, a storage medium and electronic equipment. The method comprises the steps of obtaining an image of a scene where the electronic equipment is located when testing of the algorithm library is needed, obtaining feature points in the scene and determining first position information of the feature points, regarding the image as testing data to test the algorithm library, determining second position information in algorithm processing in the testing result, and calculating the precision of the algorithm library according to the first position information and the second position information. According to the embodiment, the precision of the algorithm library can be calculated by contrasting the actual positions of the feature points in the scene with positions output after the calculation of the algorithm library, and therefore the performance advantages and disadvantages of different algorithm libraries can be quickly and efficiently contrasted without manual checking.

The invention discloses a cutting and conveying performance test bench of a sugarcane harvester cutting system. The test bench comprises an overturning roller device, a cutting table device, a conveying sectioning device, a test bench frame, a connecting rod, soil bin tracks, a trolley, soil, and a rotating driving mechanism; the overturning roller device, the cutting table device, the cutting table device and the conveying sectioning device with adjustable rotating speed are orderly arranged; the test bench frame is connected with the trolley through the connecting rod, the test bench frame and the trolley are run on the soil bin tracks, and the soil is arranged between the soil bin tracks; the conveying sectioning device comprises a front section and a rear section, the rear section is fixed with the test bench frame, and the front section rotates in relative to the rear section through the rotating driving mechanism; the overturning roller device location is adjustably connected with the front section of the conveying sectioning device, and the cutting table device is arranged at the front section of the conveying sectioning device. The test bench further relates to a test method of the cutting and conveying performance test bench of the sugarcane harvester cutting system. Multiple parameters are adjustable, the test bench provides reference for the design and optimization of the cutting system, and belongs to the technical field of the agricultural machinery test bench.

The invention relates to a context information processing-oriented QoX quality-system system and a working method thereof. The system includes a quality-of-device (QoD) module, a quality-of-context (QoC) module, a quality-of-service (QoS) module and a quality-of-experience (QoE) module. The quality-of-service module calculates QoS parameters of system service, generates corresponding adjustment information, and delivers the same to the quality-of-device module. The quality-of-device module selects a collection device, which meets system requirements, according to the adjustment information. The quality-of-experience module acquires a QoE index of a user on entire application service, generates feedback information, and sends the same to the quality-of-context module. The quality-of-contextmodule adjusts a preset QoC value according to the feedback information to form self-adaptive closed-loop regulation. According to the system, QoX is defined as a hierarchical comprehensive quality index of fusing QoD, QoC, QoS and QoE, and is used to express an overall quality level of a target system and measure advantages and disadvantages of system performance.

The invention discloses a complex event processing system based on machine learning and a deploying method of the complex event processing system. The complex event processing system comprises an event detection algorithm managing module, a system feature extracting module, a deployment scheme managing module, a system deploying module, a user feedback acquiring module and an environment feature extracting module. The deploying method comprises the following steps: at first, the event detection algorithm managing module and the system feature extracting module are informed of business rules to be customized and system response requirement according to the business rules customized by a user; and then the system deploying module takes the charge of deploying the scheme selected by the deployment managing module, the user feedback acquiring module distributes user identification for captured system response, the environment feature extracting module acquires the features of the current environment, and the deployment scheme managing module optimizes the current deployment scheme. According to the complex event processing system based on machine learning and the deploying method of the complex event processing system, the deploying method can be optimized according to the deployment environment, and the complex event processing system which meets the demands of the deployment environment can be deployed.