46 results about "Robustness testing" patented technology

The invention discloses a BP neutral network heavy machine tool thermal error modeling method optimized through a genetic algorithm. Through the establishment of the structure of a BP neutral network, global optimization is conducted on the initial weight and threshold of each layer of the BP neutral network through a training sample. After the error objective is set, global optimization is conducted on the initial weight and threshold of the BP neutral network structure through the genetic algorithm, and the optimal weight and threshold found by the genetic algorithm is substituted into the BP neutral network to be conducted with sample training. Based on the decline principle of the error gradient, quick search is conducted near the extreme point until the training is end and thermal error prediction model is obtained. Finally, robustness testing is conducted on the obtained thermal error prediction model. The global optimization is conducted on the initial weight and threshold of the BP neutral network structure through the utilization of the genetic algorithm, the self-characteristics of the BP neutral network is overcome, and the quickness, the accuracy and the robustness of convergence when the optimal weight and threshold is trained can be improved.

The invention discloses a dynamic balance testing method for a rotatable part, which is used for testing dynamic balance of the rotatable part on a testing device, wherein the testing device comprises a three-shaft air bearing table, a gyroscope and an XPC computer. The method includes: testing static unbalance amount of the rotatable part to obtain the size and direction of the static unbalance amount of the rotatable part; correcting angular speed zero signals; and testing even unbalance amount of the rotatable part. The method solves the problems of correctness testing and robustness testing in balance test of the integral rotatable part, and has the advantages that dynamic balance of the rotatable part is improved while attitude disturbance by the rotatable part is reduced.

The invention discloses a method of testing robustness of a closed loop protocol based on semantic analysis of a dynamic script, including steps of: building a test environment; conducting signal interaction between a smart telecontrol device and a protection device and a measuring and control device, receiving data signals coming from the protection device and the measuring and control device, and conducting information interaction with automatic testing software through a remote transmission communication protocol; using the automatic testing software to conduct output control over a tester through dynamic script language to make the protection device and the measuring and control device to send and transmit signals to the smart telecontrol device; sequentially controlling testing process of the smart telecontrol device by the automatic testing software, receiving messages delivered by the smart telecontrol device and using dynamic script to analyze the messages from the smart telecontrol device so as to produce a test report. The method makes it possible to flexibly compile and edit a test case and the test report, is universally applicable and significantly improves the testing efficiency and the correctness and reliability of the test result.

The invention provides a database compatibility test method and system. The database compatibility test method includes IDS (Informix dynamic server) installation unloading test and functional test, performance test, robustness test and stability test of database compatibility. Therefore, stability of a database in use is guaranteed through comprehensive in-depth evaluation of the database and by finding a set of feasible, standardized and normalized test schemes for data compatibility.

The invention provides a webpage test method and device, an electronic device and a medium. The webpage test method includes the steps of starting a browser by means of an automated test tool, and starting a to-be-tested web site; acquiring operation element on a page of the to-be-tested website and operation events of the operation elements; selecting to-be-tested operation elements from the obtained operation elements, sending the to-be-tested operation elements and the operation events of the to-be-tested operation elements to the page of the to-be-tested website for testing, correspondingly performing a targeted robustness test on the webpage, and judging whether or not the page of the to-be-tested website has error information; if yes, outputting the error information. Since the testscheme above is targeted, other functions of a to-be-tested system cannot be affected, so that the stability of the to-be-tested system and the integrity of functions of the to-be-tested system are ensured.

One embodiment of the present invention sets forth a method for generating one or more tests for testing a command provided by a command line interface. The command is specified in a pre-determined meta-language. The meta-language is then converted in the tokenized post-fix notation, which is processed to generate a direct acyclic graph (DAG) that represents the different permutations of the command. By traversing the DAG from a root node to a leaf node, a test can be generated. The test is then executed within the command line interface, and the result analyzed to determine whether the command line interface is operating correctly.

The invention discloses a method and a device for generating an interface robustness test case. The method comprises the following steps: acquiring definition information of an input interface to determine a used robustness test case generation template; then determining fields required to be input during robustness testing of the input interface and one or more of a required attribute, a data type, length and value range input aiming at the fields required to be input according to the definition information of the input interface and the determined robustness test case generation template; later generating a robustness test case set for the input interface according to the determined fields required to be input and one or more of the required attribute, the data type, the length and the value range input aiming at the data input by the fields required to be input. Through the embodiment of the invention, the problem that the existing technology requires to depend on a source code of development and the consistency of the source code and the definition in an interface document cannot be verified so as not to guarantee the effectiveness of testing is solved.

The present invention discloses a system testing method and an apparatus thereof. The system testing method comprises the following steps: configuring a fault timing task, wherein each fault timing task comprises one or more fault operations; associating a pressure testing task with the fault timing task; and executing the pressure testing task, and in a process of executing the pressure testing task, dynamically injecting each fault operation in the fault timing task associated with the pressure testing task, and monitoring each indicator of each system on a service link in real time so as to obtain monitoring data of a corresponding fault operation period. According to the method, by performing loosely coupled integration on robustness testing and performance pressure testing, automatically injecting system faults in the pressure testing process and monitoring each indicator of each system on the link in real time in the pressure testing process, the problem that a specific fault can be tested effectively in the case of large concurrency is solved.

An embedded assembly modeling and testing method based on an expansion interface automata model relates to the field of software testing and testing automation based on a model and is applicable to testing of an embedded assembly. The embedded assembly modeling and testing method is characterized in that the automata model with constraint conditions is used for description aiming at assembly interface operation, data and behaviors, and a testing case set is generated on the basis of the graph searching and constraint solving technology. The embedded assembly modeling and testing method includes: (1) constructing the expansion interface automata model of the embedded assembly and (2) defining a testing coverage rate goal on the basis of the automata model and generating a normal function testing case and a robustness testing case which achieve the testing coverage rate goal.

The invention belongs to the field of rotating machinery experimental mechanics, and specifically relates to an optical measuring method and apparatus for deformation and strain of a high speed rotating structural member. The optical measuring apparatus comprises a high speed rotating system for a thin disk-shaped axisymmetric structural member, an image acquisition and signal processing system and an auxiliary test system, wherein the surface of a test member of the thin disk-shaped axisymmetric structure is coated with a pattern of concentric circles and a vertical ultra high-speed rotating axis is formed; a disk type variable frequency motor is used to drive the single-point supported vertical ultra high-speed rotating axis in a vacuum chamber; a common low-speed digital camera is used to acquire the surface pattern of concentric circles of the high-speed rotating thin disc-shaped axisymmetric structure test member under the irradiation of a stroboscopic light source; and the image identification technology is used to acquire the pattern change information and obtain deformation and strain of the high speed rotating test member after processing the pattern change information. The optical measuring method and apparatus for deformation and strain of a high speed rotating structural member can acquire the stress information by measuring changes of the radius of the concentric circles, and are suitable for the mechanical robustness testing field of high speed and ultra high-speed rotating structural member, wherein the rotating speed is greater than 10000rpm.

The invention discloses an implementation method and device of a robustness testing process. Through the technical scheme of the embodiment of the invention, in the robustness testing process, according to a preset fault injection strategy, corresponding delay fault information is injected into a tested system to simulate a corresponding fault scene, business dimension monitoring data is associated with the response delay tendency of a system dimension, and influence on business robustness by each type of response delay type fault is quantized through modeling. Through a robustness modeling method based on response delay tendency, an influence degree on business (Throughput of System) by the response delay can be quantized, and sustainable worst response delay can be quantized under a condition that the anticipative TPS of the business is given.

The embodiment of the invention provides a protocol robustness test method and apparatus. The method comprises the following steps: receiving protocol data of a to-be-tested protocol input by a user through a tested device; if it is judged that the to-be-tested protocol is a standard protocol, obtaining a corresponding protocol type according to the to-be-tested protocol, and generating at least one corresponding test case based on the protocol type; and performing a robustness test on the to-be-tested protocol according to each test case to obtain a test result. The apparatus is used for executing the method. According to the protocol robustness test method and apparatus provided by the embodiment of the invention, if it is judged that the received to-be-tested protocol is the standard protocol, the corresponding protocol type is obtained according to the to-be-tested protocol, the corresponding test case is generated based on the protocol type, and the robustness test is performed onthe to-be-tested protocol according to each test case, therefore when the robustness test needs to be performed on a plurality of protocols, a variety of test tools are not necessarily used, therebyimproving the test efficiency.

The invention discloses a socket communication interactive testing method which is characterized by comprising the following steps: (1) operating a client and a server corresponding to the client, inputting a request at a serial port terminal of the client, waiting for feedback information from the server, and if the server properly returns feedback information, finishing testing; and (2) if the server can not properly return feedback information, outputting and displaying an error prompt and an error location. The socket communication robustness testing method disclosed by the invention is convenient to operate, can quickly position the problem, improves the man-machine interaction capacity, enhances the testing efficiency, and can select test patterns more flexibly.

The invention discloses a Web system robustness testing method based on HTTP mutation. The Web system robustness testing method is used for solving the technical problem of Web system robustness testing. According to the technical scheme, negative mutation is performed on the protocol state, the structure, field semantics and other aspects of an HTTP data packet, so that an abnormal HTTP data packet is generated and sent to a tested Web server, and the robustness of the Web server is tested through observing the responding state of the tested Web server and analyzing the returned HTTP responding packet protocol state. Therefore, the technical problem of Web system robustness testing is solved.

The invention discloses a panda population prediction method based on a multi-environmental membrane system. The panda population prediction method comprises a processor, wherein the output end of theprocessor is electrically connected with a configuration file; the output end of the processor is electrically connected with a script file; the output end of the script file is electrically connected with a memory; and the output end of the memory is electrically connected with a robustness testing device and a sensitivity testing device. The panda population prediction method can perform symbolization on the evolutionary behavior of a concept model by inputting original pedigree data of pandas of two bases of GPBB and CCRCGP, designing the concept model of a multi-environment membrane system, and designing a calculation model of the multi-environment membrane system, selects a MeCoSim software platform to carry out panda population prediction simulation on the multi-environment membranesystem of the calculation model, takes core parameters such as original panda data and the statistical birth rate as initial data, selects a parameter uncertainty probability distribution method to predict the combined action of probability parameter values of different panda individual age groups, and is convenient for completing work of predicting the population number according to species evolution behaviors.

The invention provides a system for testing an RPMC, and the system comprises an upper computer, a lower computer, and a storage chip containing the RPMC, and a user can operate on the upper computer,generates various test instructions, and transmits the test instructions to the storage chip containing the RPMC through the lower computer, so as to test the RPMC in the chip. Through the system, any test instruction can be flexibly generated based on user operation so as to carry out functional test or robustness test on the RPMC, and the system has the advantages of being flexible in test andcomplete in test case coverage.

The invention discloses a method and a device for testing robustness of an SIM card. The method comprises the steps of: collecting interference wave waveform data and a simulation running instruction,wherein the simulation running instruction is obtained by simulating an interactive instruction between an application terminal and an SIM card; generating a target interference wave according to theinterference wave waveform data; and enabling the target interference wave and the simulation running instruction to act on the SIM card through a preset action pin, and performing robustness testingon the SIM card. Therefore, according to the preset interference wave waveform data, the interference wave is generated and acts on the SIM card together with the simulation running instruction, theinterference condition of the terminal device on the SIM card due to interference or instability in the actual using environment of any SIM card can be simulated in the robustness testing process, thesituation that the voltage stability testing results of a card reader and a special hardware device are not true in the original testing process is avoided, the robustness testing accuracy of the SIMcard is improved, the product quality of the SIM card is ensured, and the using experience of a user is improved.

The invention relates to a parameter-based fuzzy test method for an avionics interface data communication protocol, which solves the robustness test problem of the avionics interface data communication protocol. The method comprises a main process, a sending process and a monitoring process, wherein the main process comprises the steps of 1, judging whether a user structure tree has special requirements or not, if not, entering the step 2, and if so, entering the step 3; 2, calling a default structure tree, and entering the step 4; 3, forming a new structure tree, calling the newly generated structure tree, and entering the step 4; 4, calling a protocol parameter variation algorithm, and assigning values to parameters in the to-be-used structure tree; 5, initializing the shared data; 6, assigning values to the shared data according to the running state; 7, starting the sending process and the monitoring process; 8, waiting for notification parameters from the sending process and the monitoring process; and 9, if the notification parameters are received, returning to the step 6, and if not, returning to the step 8.

A testing method of a echo balancing out function is to collect the signal producing in actual or making in order, to handle the signal according to each stage of hypothesis echo channel to create a corresponding echo, to use the orginal signal and eacho as the inputs of far end and near end, to catch output signal and filter cofficient and to restore is as curve as well as to compare it with the expected result. With the above steps, the right realization ability test of the echo balancing out code, the function perfect test, efficiency test, working condition test of the boundary point, health and strong test and comprehensive test could be carried out.

The invention discloses a semi-physical simulation verification method and a semi-physical simulation verification system. The semi-physical simulation verification method comprises the following steps: establishing a mirror image virtual node and a spatial information network of real equipment in a simulation network; based on a semi-physical interface of the simulation network, mapping the real equipment to the mirror image virtual node; establishing a protocol stack of the mirror image virtual node in an application layer of a kernel protocol stack of an operating system; and when the simulation network mirror image virtual node receives system frames of other nodes, Ethernet frame packaging is carried out, and data interaction with real equipment is carried out through an adapter Ethernet port. According to the invention, whether the packet interaction response format realized by the protocol is consistent with the standard interface definition can be verified, and the interface intercommunication and protocol signaling interaction capability between different protocol realization software can be tested; according to the method, the fault identification and response time, the service rerouting recovery time and the error or interference information identification and response capability of a protocol can be evaluated, and the robustness test of protocol software can be carried out.

The invention discloses an intelligent vehicle performance test system and method. The system comprises an optical positioning system and an abnormal event adding node module, wherein the optical positioning system is used for calculating space coordinates and a vehicle attitude angle of a to-be-tested vehicle, and the abnormal event adding node module is used for adding obstacles and interferenceeffects in image information of the vehicle, and thereby robustness testing of a sensor and an intelligent vehicle sensing algorithm is achieved.

The invention discloses a software testing method. The method comprises the following steps: acquiring cache parameters of to-be-tested software, and modifying the cache parameters based on a preset rule so as to enable the to-be-tested software to have a cache fault; obtaining the response result of the to-be-tested software when the cache fault occurs; and determining the test result of the to-be-tested software based on the response result. The invention further discloses a software testing device and a computer readable storage medium, and the effect of simplifying the testing steps of software robustness testing is achieved.