110results about How to "Reduce test complexity" patented technology

A method for testing a provider in a common information model. The method generally includes the steps of (A) generating a test case class of the common information model, the test case class residing in a class hierarchy of an object-oriented model, (B) generating a client test case class of the common information model below the test case class in the class hierarchy, the client test case class defining control of at least one logical configuration for the provider and (C) generating an instance tester class of the common information model below the client test case class in the class hierarchy, the instance tester class defining at least one verification module for testing the provider.

A method for testing a memory is described. The method includes the following steps. First, a test pattern is generated by a hash algorithm. Then, the test pattern is written into the memory. Next, the test pattern is read from the memory. Following that, a signature is generated by the hash algorithm using the test pattern read from the memory. Subsequently, the memory is verified by comparing the signature to a reference signature.

The invention discloses a service testing method and device of an online bank adapter, a service testing method and device of an ERP system and a service testing device of a bank and enterprise docking system. The service testing method of the online bank adapter comprises the steps of simulating a working mode of an ERP system and sending a service request message to the online bank adapter; simulating a working mode of a bank front-end processor, receiving a converted request message and returning a bank response message generated after correctness verification to the online bank adapter; and comparing the converted response message returned by the online bank adapter with a standard online bank adapter message in a message library, carrying out correctness verification and finishing the testing thread. Through the technical scheme, the bank and enterprise docking system can be tested when the bank front-end processor is not in place, the testing difficulty is reduced, and automatic and batch testing is realized.

The invention relates to a method for detecting hardware Trojan based on an active optical watermark. The method comprises the steps of inserting some special units which do not influence the circuit function and have the temperature superior to that of the surrounding adjacent units after being electrified into a circuit and distributing to the layout according to a certain rule, wherein such special units are the active optical watermarks of the circuit; simulating to obtain the heat distribution map of the whole circuit while electrifying; performing the same test to the circuit and photographing after the circuit is manufactured and before packaging; comparing the simulated watermarks with the actual watermarks; if the watermark position changes or disappears, determining that the hardware Trojan is in the circuit. With the adoption of the method, the circuit is avoided various complex tests; the influence of the process noise and measurement noise in the traditional method can be overcome; the detection complexity can be obviously reduced; the detection accuracy can be improved.

The invention relates to a semi-physical simulation test IMU (inertial measurement unit) simulation method for a carrier rocket. The method can be used for replacing a real IMU and a rotating table for a simulation test at the stages of semi-physical simulation debugging, testing and formal testing. In addition, there is a function of testing the real rotating table and IMU dynamic features. According to the invention, the posture, speed and position signals of a dynamical model are received, and the IMU spinning top and meter measurement signals are obtained through resolving. The main functions of the IMU and the rotating table are simulated, and the open-loop and closed-loop semi-physical simulation tests in a normal mode and a fault mode are achieved. The dynamic features of the combination of the rotating table and the IMU are measured. Moreover, the method can achieve the testing and simulation of the dynamic features of a conventional rotating table and a conventional IMU. During testing, an IMU simulator can simulate the main functions of the rotating table and IMU, and generates the meter and spinning top measurement information through the posture, speed and position. The method can replace a real equipment for testing, remarkably reduces the cost, reduces the testing complexity, and simplifies the flow.

The invention discloses an automatic detection system and method for a grid-side energy storage monitoring AGC control system. The automatic detection system includes an automatic test end, a main station simulation end, a BMS system simulation end and a PCS equipment simulation end. PCs where the automatic test end, the main station simulation end, the BMS system simulation end and the PCS equipment simulation end are located respectively and a PC where a tested energy storage monitoring AGC system is located are connected to the same switch, are configured with IEC-104 parameters, and are connected by communication. The problems of high cost, long construction period and a small number of simulation devices for the function test, pressure test and stability test environment of the grid-side energy storage monitoring AGC system as well as the difficulties in simulation of a large number of abnormal device behaviors and devices with special states and mutual cooperation between devicesin the existing method are solved.

A device for nondestructive testing of a pipe made of ferromagnetic steel for detection of longitudinal, transverse or inclined flaws using magnetic or magnetic-induction test procedures is disclosed. The device includes a magnetizing yoke which transmits the magnetic flux contactless into the pipe and at least two magnetic-field-sensitive scanning probes having GMR sensors. The GMR sensors are combined into sensor groups in form of a sensor array and electrically connected in parallel. A single preamplifier connected to each sensor group in one-to-one correspondence. The device further includes an evaluation unit.

The invention relates to a model constructing method based on a dynamic characteristic test of a spacecraft. The model constructing method comprises the following steps: dismantling a target spacecraft into a plurality of section substructures according to all section connecting surfaces of the target spacecraft, acquiring modal parameters of the plurality of section substructures in a fixed state, and constructing dynamic models of all the upper-stage section substructures according to the modal parameters; preliminarily correcting the dynamic models of all the section substructures; determining a combination preliminary model of the spacecraft according to the dynamic models of all the section substructures; determining a tooling matched with an upper-stage combination of the target spacecraft in size and interface; carrying out the dynamic characteristic test of an integral structure fixed boundary of the target spacecraft based on the target spacecraft so as to acquire structural modal parameters; correcting the combination preliminary model according to the structural modal parameters so as to obtain a final spacecraft dynamic model. According to the model constructing method disclosed by the invention, the construction accuracy of the dynamic model of the spacecraft can be improved, and the complexity of a ground test of a large-scale structure can be effectively reduced.

The present invention discloses a method for testing the performance of a storage device. The method comprises: selecting an input/output model of the storage device and setting test parameters corresponding to the input/output model to test the input/output performance of the storage device; according to the test parameters, acquiring a log file corresponding to input and output information of the storage device and an identifier of the storage device; storing test data in the log file corresponding to the identifier in a document named by the identifier; and analyzing and processing the testdata in the log file to obtain a test result. According to the method disclosed by the present invention, a log file corresponding to input and output information of the storage device and an identifier of the storage device can be acquired according to the test parameters, the acquired test data can be separately stored according to the identifier of the storage device, so that the problem thatthe test result is not intuitive is solved, and test complexity is reduced. In addition, the present invention also discloses an apparatus and a device for testing the performance of the storage device, and a readable storage medium, which can also achieve the above effects.

The invention relates to a method for simplifying battery operating conditions of an energy storage system. The method simplifies the actual operating conditions of an energy storage battery into testconditions for laboratory testing, and comprises the following steps: simplifying the actual operating conditions of the energy storage battery; performing multi-objective optimization on simplifiedoperating condition parameters; shortening and accelerating the optimized actual operating conditions of the energy storage battery; and setting the test conditions. The method for simplifying batteryoperating conditions of an energy storage system adopts a method of segmenting and leveling a power sequence, and obtains a segmenting parameter K and a leveling parameter L through multi-objective optimization. As long as the values of the parameters K and L are determined, each actual operating condition may result in a unique simplified operating condition. The shortening and accelerating method can be applied to a battery of any capacity, and can shorten and accelerate a long-term measurement condition of a large battery pack to obtain a small battery short-time test condition. Accordingto the technical scheme, the application range of the simplified operating conditions is expanded, the actual battery test can be changed into a laboratory test, and the test complexity is reduced.

The invention discloses a method of recognizing rotational inertia of a permanent magnet synchronous machine based on a reduced-order current ring; current ring order reduction is performed according to motor electromagnetic parameters based on a current ring PI (proportional-integral) controller so that the current ring becomes a first-order response system; mechanical inertial parameters of the machine are acquired by measuring frequency response of the system under excitation of a reference torque of sinusoidal superposition direct-current bias. An algorithm may be integrated in a machine controller program just by using a universal converter, moment of inertia testing complexity is reduced, recognizing is simple and easy and is easy to implement in engineering, and the method is significant to the design of intelligent motor controllers.

The present invention discloses a test system and method for scale software. The test system comprises: a vector generating module, used for generating a test vector by a function drive and random test method for a tested object; a monitoring module, used for monitoring a path coverage of a test target set of the tested object according to the generated test vector, and when it it monitored that the path coverage of the test target set reaches a critical state, searching for and acquiring a path that is not covered of the test target set of the tested object; and a model calculation module, used for establishing a mathematical model according to the path that is not covered of the test target set, and solving the mathematical model to obtain a test vector of the path that is not covered of the test target set. The present invention provides a simple test vector set construction scheme, which can improve the coverage of the test target set and improve reliability and efficiency of tests.

The invention provides a video decoding chip testing device and method. A video decoding chip outputs multiple composite video signals. The testing device comprises a video signal processing device used for processing the multiple composite video signals to obtain a single standard video signal, and a video signal analyzing device used for measuring the single standard video signal to obtain the parameter indexes of the video signal. By the adoption of the testing device, testing complexity is effectively reduced, and testing efficiency is improved.

The invention provides a distributed cluster simulation system, method and device. The system comprises an upstream searching module, a downstream distributed cluster and a network bridge. The downstream distributed cluster comprises a plurality of downstream searching modules. The network bridge receives a pressure request sent by the upstream searching module, sends the pressure request to the downstream searching modules, then forwards data packs returned by the downstream searching modules according to the pressure request to the upstream searching module and stores communication data packs between the upstream searching module and the downstream searching modules at the same time. The network bridge generates a dictionary according to the communication data packs based on a preset format, searches a data pack corresponding to the pressure request in the dictionary according to the pressure request sent by the upstream searching module and returns the data pack to the upstream searching module. According to the system, a cluster can be simulated through the network bridge, resources are saved, testing complexity is lowered, testing efficiency is improved, and test simulation on any flowing data stream can be achieved.

The invention relates to a non-vehicle charger electric energy metering performance test system and method based on a virtual load. The system comprises a DC voltage source 1, a DC current source 2, a non-vehicle charger 3 and a DC electric meter 4, wherein the DC voltage source is used for outputting a DC voltage signal to the non-vehicle charger 3, the DC current source is used for outputting a DC current signal to the non-vehicle charger 3, the non-vehicle charger has a virtual load test portion, a metering module of the virtual load test portion is used for metering electric energy passing through the non-vehicle charger 3, the DC electric meter is used for metering the electric energy passing through the non-vehicle charger 3, the electric energy metered by the DC electric meter is compared with the electric energy metered by the metering module of the non-vehicle charger 3 to acquire electric energy difference, and the electric energy difference is an electric energy metering error of the non-vehicle charger.

A method for characterizing a phase shifter in a device under test (DUT) using automated test equipment (ATE) is disclosed. The method comprises down converting an input signal received from the transmitter DUT to an intermediate frequency and routing the down converted input signal to a signal processor, wherein the signal processor generates I and Q signals using the input signal. The method further comprises setting an initial phase state on the phase shifter in the transmitter DUT and toggling at least one phase state bit to control the phase shifter to cycle through a plurality of phase states, wherein the changing phase states appear on the I and Q signals. Finally, the method comprises processing the I and Q signals to extract individual phase states programmed by the at least one phase state bit.