67results about How to "Reduce testing risk" patented technology

The invention discloses an automatic testing method for software application. The automatic testing method comprises the following steps: a) acquiring reusable functions and / or scripts on the basis of various automatic testing tools; b) mapping the acquired scripts and / or functions of various automatic testing tools by using keywords, and encapsulating to form a frame language; c) compiling execution scripts by adopting the frame language; d) distributing the execution scripts to multiple testing engines by using a distributed execution mechanism. According to the automatic testing method for software application disclosed by the invention, functions / scripts of multiple mainstream testing tool software can be integrated rapidly and conveniently by a keyword mapping method to form the intuitive and vivid frame language, so that the coupling degree of a testing tool and an operating system can be greatly reduced, the reusability of a testing frame can be improved, idle resources can be reasonably utilized by using the distributed execution mechanism, the testing efficiency can be greatly promoted and the testing risk is reduced.

The invention relates to a method for achieving collaborative driving of a vehicle fleet by means of the semi-physical simulation technology. The method specifically comprises the steps that the type of data containing the states of vehicles and the road traffic environment is defined, a software architecture of a vehicle fleet collaborative driving distributed system is designed, a hybrid automata for vehicle fleet collaborative driving is designed according to the requirements of software of a vehicle fleet upper-layer collaboration unit, and the input state of a vehicle fleet control system is determined according to the requirements of software of a bottom-layer control function unit. The method for achieving collaborative driving of the vehicle fleet by means of the semi-physical simulation technology has the advantages that dynamic information and static information collected during collaborative driving of the vehicle fleet can be effectively classified and fused in real time, the overall functions of a system can be classified into the upper-layer function unit and the lower-layer function unit through the provided software architecture of the vehicle fleet collaborative driving distributed system; limited vehicle fleet driving strategies are related through the hybrid automata for vehicle fleet collaborative driving in a collaboration layer, and control over switching of various vehicle fleet collaborative driving strategies can be completed by setting the triggering conditions such as the position, the length and the speed of the vehicle fleet and the interval between vehicles in the vehicle fleet.

The invention discloses an unmanned vehicle testing method employing controlled scene, and relates to the technical field of automobiles, and solves the technical problem that the existing testing method is high in risk. According to the method, a plurality of controllable moving objects are selected, and a region with a real road is selected as a testing region, and then the unmanned vehicle is placed on a real road in the testing region for driving, and the controllable moving target objects are placed in the testing region to simulate the traffic participants, a dynamic traffic test scene is built according to the controllable moving target objects and real road in the testing region, and the driving behavior of the unmanned vehicle is tested. The method provided by the invention has the advantages that the testing risk is low, and the vehicle can be comprehensively tested.

The invention discloses a software test model and a software test method, and belongs to the field of software test. The invention aims at solving the technical problems of labor, material and money waste on the test and high requirements on the skilled level of test personnel. The software test model has the technical scheme that the software test model structurally comprises a W model and an X model. The limitation of low coincidence rate to the actual test in the W model and the X model is eliminated. Expected bug number comparison and bug convergent tendency analysis are performed in the test process.

The invention provides a wind power field real-time simulation modelling system and method. The simulation modelling system comprises a simulation subsystem and a wind field control system; the simulation subsystem is electrically connected virtual synchronous generators in the wind field control system and used for constructing a wind power field model and a power grid model and simulating the running state information of the wind power field model and the power grid model; various virtual synchronous generators are used for outputting a regulation instruction for the wind power field according to the real-time acquired running state information of the wind power field model and the power grid model; the simulation subsystem is further used for corresponding regulating the running state of the wind power field model after receiving the regulating instruction. In the system and method provided by the invention, the actual control equipment is directly added into system to test, the full testing can be performed by simulating the actual working condition, the fan development period can be shortened, the testing risk is reduced, the fault rate is reduced, and the development cost issaved.

The invention discloses a quantitative interpretation method for the production profile of a horizontal gas well. The method comprises the steps of in the position of the first perforation cluster which is close to a pithead, establishing the energy conservation model for the mixing process of the fluid (1) which flows into a wellbore from the position of the first perforation cluster and the fluid (2) which is located in the upstream of the first perforation cluster before mixing; establishing the energy conservation model of the fluid (1) during the gas-liquid mixing process in the position of the first perforation cluster; establishing the energy conservation model of the formation of the well section between two perforation clusters and the fluid in the wellbore, by applying the measured data of temperature, pressure and liquid holdup, calculating the mass flow rate of the natural gas in the fluid (2) and the mass flow rate of the liquid in the fluid (2), calculating the gas production rate and liquid production rate of the perforation cluster of the fluid (1) and the like. According to the quantitative interpretation method for the production profile of the horizontal gas well, the output situation of each perforation cluster of the horizontal gas well is calculated quantitatively by applying the data of temperature, pressure and liquid holdup, and the quantitative interpretation for the production profile of the horizontal gas well is completed by applying the fewest measuring parameters.

The invention discloses a method for calibrating a chip temperature sensor, and the method comprises the steps: obtaining an AD code value program, mixing the AD code value program into a function program, formulating a specific starting temperature AD code value function program, and achieving the independence of an original function program; enabling a temperature sensor for measuring an external environment to achieve the interconnection with a tester, achieving the temperature data collection, obtaining an AD temperature code value and environment temperature corresponding to a chip at a testing stage simultaneously, enabling the obtained temperature calibration efficiency to be written into the chip at the same stage, and achieving the calibration of the temperature sensor.

The invention discloses a general purpose digital circuit simulated test system and test method thereof, wherein the system comprises a data source for generating test excitation data, a bus functional module BFM for mapping the excitation data into time sequence in accordance with the bus standard, and at least a two-way measurement unit, while the corresponding method comprises sending the time sequence of the excitation data to the test design, and performing two-way test in parallel, thus enhancing the versatility of the simulation test and improving the code multiplexing ratio and expandability.

The invention provides a real automobile in-the-loop simulation testing method, a real-time simulation machine and a system. The method includes the steps that the real-time simulation machine simulates the analogue traffic environment; the first motion state information of a real automobile, which is acquired by an automobile positioning device, is received; a controller sensor signal is calculated according to the first motion state information and the simulated traffic environment; the controller sensor signal is sent to a detected controller in the real automobile; a control signal which is output by the detected controller according to the controller sensor signal and a signal which is output after a real automobile controller responds to the control signal are acquired, and the second motion state information of the real automobile, the traffic environment information and the like are received to be used as the performance testing analysis basis of the detected controller. Compared with traditional HIL testing, the real automobile in-the-loop simulation testing method improves the accuracy of performance testing results of the detected controller; compared with real automobile testing, the cost is saved, the testing risk is lowered, and the testing reproducibility is enhanced.

The invention discloses a tool for simulating GPU machinery impact and vibration, and the structure of the tool comprises a tool body, a baffle sheet, and an externally connected support. The appearance and the size of the tool body are identical to those of a GPU computer card. The tool body is provided with a golden finger. The tool is capable of simulating nvidia K40 GPU computer card for machinery testing and simulating real GPU for machinery impact and vibration testing, which reduces the testing risk and the testing fee.

The invention discloses a multi-sensor integrated unmanned plane perception and circumvention simulation system, and the system comprises a system configuration module, an ADS, a B data module, an unmanned plane simulation module, a sensor data simulation module, and a perception and circumvention algorithm module, wherein all the above modules are connected to a system data pool, and carry out mutual interaction through the system data pool. The invention also discloses a corresponding simulation method, and solves problems that a conventional unmanned plane perception and circumvention system design method is high in cost, is high in testing risk coefficient, and is low in efficiency.

The invention discloses a crane remote control testing device which is used for testing a crane remote control. The crane remote control testing device comprises a remote control interface, a relay module and a crane motion simulator. The remote control interface is used for being connected with the crane remote control and obtaining control instructions of the crane remote control, wherein the control instructions correspond to functions corresponding to point positions of the remote control one to one. The relay module comprises a plurality of relays, and the relay module is connected with the remote control interface and used for controlling closing of the relays according to the control instructions, wherein the relays correspond to the point positions of the remote control one to one. The crane motion simulator is connected with the relay module and used for collecting motion information of the relays and converting the motion information into electric signals, so that whether the functions corresponding to the point positions of the crane remote control are conducted normally or not is detected according to the electric signals, wherein the motion information comprises closing of the relays. The invention further discloses a crane remote control testing method. Through the mode, the crane remote control testing device and method can effectively reduce testing risks of the crane remote control, lower maintenance cost and improve safety.

The embodiment of the invention provides a test system and a test method based on flow control. The test system comprises a scheduling module, a test execution module, a flow control module and a data processing module, wherein the scheduling module is used for sending a first operational command for executing test operation on an actually deployed to-be-tested system to the test execution module; the test execution module is used for sending a test operation request to the to-be-tested system according to the first operational command received from the scheduling module, acquiring first test result data and sending the first test result data to the data processing module; the flow control module is used for controlling flow of the to-be-tested system according to a preset flow control strategy; and the data processing module is used for receiving the first test result data and generating a test report according to the first test result data. The test system and the test method based on flow control provided by the embodiment of the invention can be used for carrying out test operation on the to-be-tested system by controlling the flow of the to-be-tested system, generate the test reports, and increases precision of the tests.