42 results about "Test series" patented technology

Component malfunctions in passive optical networks (PON) can increase bit error rates and decrease signal-to-noise ratio of communications signals. These faults may cause the receivers of the signals, either the optical line terminal (OLT) or optical network terminals (ONTs), to experience intermittent faults and/or may result in misinterpreted commands that disrupt other ONT's communication, resulting in a rogue ONT condition. Existing PON protocol detection methods may not detect these types of malfunctions. An embodiment of the present invention identifies faults in a PON by transmitting a test series of data patterns via an optical communications path from a first optical network node to a second optical network node. The test series is compared to an expected series of data patterns. An error rate may be calculated as a function of the differences between the test series and expected series. The error rate may be reported to identify faults in the PON. Through use of the embodiment, network faults can be identified and optionally automatically corrected, saving a network service provider from expending technician time and maintaining an operating state of the network.

Component malfunctions in passive optical networks (PON) can increase bit error rates and decrease signal-to-noise ratio in communications signals. These faults may cause the receivers of the signals, either the optical line terminal (OLT) or optical network terminals (ONTs), to experience intermittent faults and/or may result in misinterpreted commands that disrupt other ONT's communication, resulting in a rogue ONT condition. Existing PON protocol detection methods may not detect these types of malfunctions. An embodiment of the present invention identifies faults in a PON by transmitting a test series of data patterns via an optical communications path from a first network node to a second network node. The test series is compared to an expected series of data patterns. An error rate may be calculated as a function of the differences between the test series and expected series. The error rate may be reported to identify faults in the PON.

In a system including a processor and memory coupled to the processor, a method of device failure analysis includes the steps of: upon each error detected within a test series performed on a device, the processor storing within a table in the memory an address at which the error occurred in the device and storing a bit position of each failed bit corresponding to that address; for each unique address at which at least one error occurred, determining how many different bit positions corresponding to the address failed during the test series; and based on results of the test series, determining whether the device failed the test series.

RFID readers, RFID tags, software, and methods decode a signal received in an RFID system. From received data, a decoder determines a number of possible test series for the output. In one embodiment, the decoder uses a memory of a previous sample to derive a subsequent sample in the test series, so as to ensure that all the test series are valid. A metric is then computed for how well each test series fits the received data. The metrics are compared to select for output the test series with the best fit. In a further embodiment, at least one of the metrics is further used to determine if a collision were present.

A computer-implemented method for testing an real and/or virtual automotive system through a test by a test environment interacting with the real and/or virtual part, which includes a test series with different test cases of the test for different execution conditions that are specified in test configurations. Each combination of test case and test configuration is assigned a test status value from a group of predefined test status values in accordance with an evaluation of the function of the system in the corresponding test. For further planning, execution, and/or evaluation of the test series at least once a relative test coverage of at least one of the status values is determined in the resulting test case configuration matrix and/or a relative potential for improvement of the test coverage of at least one of the status values with regard to a test case and/or with regard to a configuration is determined.

The invention belongs to the technical field of helicopter test, and especially relates to a steering engine tester. The series steering engine tester is composed of a power supply circuit, a steering engine position adjustment circuit and a feedback voltage display circuit. The power supply circuit adopts standard 220VAC input, outputs direct-current power after internal conversion, provides working power for the steering engine position adjustment circuit and the feedback voltage display circuit, and provides working power for a to-be-tested series steering engine component. The steering engine position adjustment circuit is used for controlling extension and retraction movement of an output shaft of a series steering engine and adjusting a steering engine installation position. The feedback voltage display circuit is used for monitoring a position feedback voltage value of the serial steering engine in real time during steering engine position adjustment. Continuous position correction on a series steering engine can be effectively realized, and the neutral point and the extension and retraction limit installation positions of the series steering engine can be precisely positioned.

The invention provides an energy-saving method for a product aging test. A product test parallel group, multiple product test series groups, corresponding independent product test series groups and independent product test parallel groups are included, wherein the front stage of the product test series group supplies power to the later stage; each independent product test series group compensates output current for the front stage; each independent product test parallel group shunts the current for the later stage; and current compensation and shunting are realized by controlling corresponding on-off switches through a constant current unit. The invention also provides a device for implementing the method. By using the method and the device, only a rated load is added at the output of the test product of the last stage, so that a large amount of energy consumption is saved; and by using the constant current unit for controlling the constant input current in test units, the stability of the product test is greatly improved.

The invention discloses a lever type dynamic load test platform with loads adjustable which is suitable for a loading detecting test on chain block products in the field of hoist machinery. The lever type dynamic load test platform with the loads adjustable adopts a special lever capable of adjusting loads, a framework and an external force source, wherein the framework and the external force source are matched with the special lever. The theories that the product of a force and a force arm equals to the product of a weight and a weight arm, and a fixed pulley can change the transmission direction of the force and a movable pulley can change the transmission speed and the size of the force are utilized, and therefore a complete integral system capable of adjusting the loads is achieved. The requirement for achieving different test loads is met by adjusting the distance between the force arm and the weight arm and the positions of the force arm and the weight arm, so that tests and detection of products of different specifications are achieved. The lever type dynamic load test platform with the loads adjustable has the advantages of being economical, safe, reliable, convenient and simple to operate, and capable of meeting the detection standard requirements of a test piece and improving working efficiency and the like, solves the problem of adjustment under the condition of testing series products with different specifications and different loads on the same test platform, and solves the problems of large occupied area, high manufacturing cost, many weights, difficult operations, low efficiency, high cost, maintenance difficulties and the like. In addition, the problem that an original hydraulic loading condition does not accord with the practical working condition is solved.

The invention relates to the field of semiconductor chip packaging test production line performance control and optimization, and particularly relates to a chip packaging test production line performance control method based on Q-learning reinforcement learning. According to the invention, a more accurate semiconductor packaging test series-parallel production line performance prediction model isestablished; and a Morris screening method and an Arena simulation method are comprehensively used for carrying out global sensitivity quantitative analysis, a plurality of influence factors which have the greatest influence on the production line performance and influence rules thereof are obtained, and the conditions that the Markov state space of equipment is huge and traditional mathematical model analysis is not suitable are avoided. According to the method, the variability factors of the production line are controlled on the basis of performance prediction and sensitivity analysis, and the valuing mode of the parameter [epsilon] is improved, so that the convergence rate of the algorithm is higher, local optimization is avoided, and meanwhile, the performance control method has betterflexibility and real-time performance.

The invention discloses a method for carrying out a long-distance submarine cable pressure test by using a reactive power compensation reactor. The method comprises the following steps: calculating aparallel compensation inductance value L2 according to reactance values of a land station reactive power compensation reactor and a sea station reactive power compensation reactor; calculating an inductance value L1 of a test series adjustable reactor according to a series-parallel resonance calculation formula when series-parallel resonance is reached; adjusting the inductance value of the test series adjustable reactor according to the calculated inductance value of the test series adjustable reactor 4; setting the frequency of a variable frequency power supply, carrying out slow boost testing, when the reading of the test capacitive voltage divider reaches a test voltage, stopping boosting, keeping the station for preset time, disconnecting the variable frequency power supply to carry out discharging at the end of time so as to complete long-distance submarine cable pressure testing by a reactive compensation reactor. With the method, the alternating-current pressure test can be carried out on the submarine cable, the capacity and the number of field test equipment are relatively small, and the test difficulty and the test cost are relatively low.

The invention provides a software testing method based on rapid demand version iteration. The software testing method comprises the following steps: step 1, setting a basic testing type library (100);step 2, setting a test case priority (200); and step 3, selecting a test type, confirming a test key point, outputting a test case priority, automatically executing a case, and outputting a test report (300) according to a requirement specification. According to the method, a client can be helped to quickly build an automatic test and verification system, quickly edit test series files, perform multi-process control and multi-thread execution and improve test throughput, test requirements of most products can be compatible under the condition of meeting most test processing requirements and test drive support, and the execution efficiency is high. With the help of the method, the work of engineers is more targeted, and the design and development work of a test software stage in a projectis greatly shortened.

The invention discloses a frame system for python automatic test series products. The frame system comprises a test data source module A; a test data source module B; a test data source module C; a test case script module which is used for inputting a tested product model and a test interface by using a client and a tester; a test control module which is used for reading each data configuration source and setting product parameters and environmental parameters; a test execution module which is used for executing the test case set selected by the product; a test result verification module; anda test output module which is used for comparing an output value actually obtained by the test environment end with a theoretical result, and outputting a test result to an excel test result table according to a certain format after the execution module. According to the invention, through configuring a unified data source, configuring a test environment parameter, selecting a test case and selecting a test corresponding parameter table, an automatic test system is carried out; and unified testing of unified series of products of different models is achieved.

The invention relates to a ground simulation test platform for a deep space exploration attachment mechanism, in particular to a ground multi-mode force hybrid test platform for a small celestial body exploration attachment mechanism. Comprising a main body frame, a single attachment unit testing device, a testing platform, a series attachment unit testing device and an integral attachment mechanism testing device, wherein the main body frame is arranged on the testing platform; the single attachment unit testing device is mounted on the main body frame and is used for testing the adsorption rigidity limit of the single attachment unit and the testing platform; the series attachment unit testing device is mounted on the main body frame and is used for testing the attachment and desorption mechanical properties of the series attachment unit mechanism on the simulated rock; the overall attachment mechanism testing device is installed on the main body frame and used for testing the adhesive force mechanical property of the whole attachment device on the simulated rock. The system has the characteristics of high integration level, high flexibility, high measurement and control index precision and the like, the control precision and the safety performance of the system are ensured, and the technical requirements for microgravity coupling and compensation of small celestial bodies are met.

The invention discloses a standard software test platform and a test method thereof. The standard software test platform comprises a file management module, a user management module, a test sequence file module, a custom type module, a report generation module, a system configuration module, a test statistic module, an editing module and a performance module. According to the platform and the method, a customer is help to establish an automatic test and verification system rapidly, edit test series files rapidly, carry out multi-process control, carry out multiple threads and improve test throughput. Most of test processing demands can be satisfied. Under the test drive supporting condition, the test demands of most products are compatible. The performance efficiency is high. According to the platform, a modular flexible design is employed. Rapid replacement and update can be carried out. With the help of the platform and the method, the work of an engineer is more targeted, time and vigor can be used for solving various difficulties which are really difficult to solve, and the design development work of a test software stage in a project is greatly reduced.

The invention relates to an integrated series resonant inductance voltage dividing high-voltage measurement system, comprising a resonant inductance with a voltage dividing tap, an excitation transformer with a primary side and a secondary side, a first measurement module for measuring the voltage at both ends of the resonant inductance, and a first measurement module for measuring The second measuring module for the voltage across the secondary side of the excitation transformer, an intelligent measuring instrument that is connected to the first measuring module and the second measuring module and sums the voltage across the resonant inductance and the voltage across the secondary side of the excitation transformer, and the excitation transformer The secondary side is connected in series with the resonant inductor and then connected in parallel to both ends of the tested product to form a series resonant test circuit. The present invention utilizes the own reactor of the resonant system, and designs it through the method of voltage dividing taps to make it a resonant reactor with the function of measuring pressure, cancels the AC high-voltage divider configured in the conventional resonant system, and saves investment cost and operating cost , to reduce the loading and unloading workload, especially for ultra-high voltage and ultra-high voltage AC withstand voltage test equipment is of great significance.