55results about How to "Improve testing flexibility" patented technology

The invention discloses a non-contact thermal shock high-temperature mechanical test device, and belongs to the field of high-temperature mechanical performance test. The device comprises a base, a mechanical test module, a middle cross beam, an out-cavity upper clamp and a spherical cavity, wherein the spherical cavity is fixed on a guiderail through a cavity bracket; an upper pull rod, an uppervacuum corrugated pipe, a vacuum gauge, an infrared lamp heating module, a laser heating module, a sample injection door with an observation window, an infrared temperature measurement module, a dynamic test module, a vacuum air exhaust module, an air intake module, a lower pull rod and a lower vacuum corrugated pipe are arranged on the spherical cavity; and an extensometer, an in-cavity upper clamp, an in-cavity lower clamp and a test piece are arranged in the spherical cavity. The device is capable of providing freely switched thermal load environment, vacuum or inert gas environment and laser thermal shock environment, is convenient to mount / dismount, has high flexibility and sealing property, and is capable of realizing dynamic and multi-angle observation.

The invention discloses a one-time programmable microcontroller chip based test circuit, which comprises an unlocking unit, a decoding unit and a testing unit, and is characterized in that the unlocking unit receives a level signal and a serial data signal, and the unlocking unit sends an unlocking signal when the level signal and the serial data signal satisfy a specific time sequence; the decoding unit is connected with the unlocking unit, and the decoding unit receives the serial data signal and a serial clock signal after receiving the unlocking signal and generates a test signal and a test clock signal; and the testing unit is connected with the decoding unit, and the testing unit receives the serial data signal and the test clock signal after receiving the test signal and sends test data in the serial data signal to a processor, wherein the test clock signal is enabled to act as a clock signal of the processor.

The invention discloses a method and a tool device for testing an equipment communication port. The tool device for testing the communication port of the equipment comprises a power supply module, a control signal testing module and a connecting module, the power supply module is used for receiving a power supply signal from a group of power supply signal lines and at least supplying power to thecontrol signal testing module by utilizing the power supply signal; the control signal testing module is used for receiving the control signal output by the equipment, performing logic processing on the control signal, and returning the control signal subjected to the logic processing to the equipment; the connection module is used for being coupled with the tool device and the equipment communication port in a pluggable mode. According to the technical scheme, the signal test of the pluggable communication port can be realized, the cost is low, and the test flexibility is high.

The embodiment of the invention discloses an elastic stretch and shrink test method, device and system. The method comprises the steps of receiving a test instruction issued by a management terminal;and establishing a stretch and shrink group, and carrying out stretch and shrink test on cloud hosts in the stretch and shrink group according to the test instruction. According to the embodiment of the invention, on the basis of the test instruction, the stretch and shrink group is automatically established, the stretch and shrink test is automatically carried out on the cloud hosts in the stretch and shrink group without manually terminating a corresponding process or restarting the corresponding process in each cloud host of the stretch and shrink group, the cloud hosts are in correspondingload, the test flexibility is improved, and moreover, the test time is reduced.

The invention provides a built-in self-test method of FPGA logical resource. The internal logical module of FPGA is alternately divided into a left half part and a right half part according to row. In the test process, the logical module array of the right half part is firstly configured as a to-be-tested circuit, and the rest logical module arrays are configured as a test vector generating circuit and an output response analyzing circuit, and then the logical module array of the left half part is configured as the to-be-tested circuit, and the rest logical module arrays are configured as thetest vector generating circuit and the output response analyzing circuit. The circuit structure is not changed in each process. The logical resource is covered by multiple configurations and the testresult is output by a built-in scan register chain. All configurations in the invention are as follows: all logical modules configured as the response analyzing circuits are in cascade connection endto end according to one-dimensional array, so as to simplify the self-test result retrieval manner. Provided that the test coverage is 100%, the built-in self-test method reduces times of the configurations of FPGA logical resource, reduces test cost and increases test flexibility, so as to improve test efficiency.

The invention discloses an integrated and movable mobile phone test device. The integrated and movable mobile phone test device comprises a columnar shell, wherein independent supporting bodies stagger to each other are uniformly distributed on a vertical surface of the shell, the shell further interiorly comprises a WIFI router, a peanut stick, more than one controller, more than one cooling fans, more than one switches and more than one multi-interface USB power supplies, which are in signal communication with each other, and the controllers are in signal connection with tested mobile phones on the independent supporting bodies through three-end Y-shaped USB wires. The overall structure integrates power supply, network access, network connection, operation platform, mobile phone bracket, heat dissipation and other functions, thereby improving the test performance, satisfying the test demands, guaranteeing the test effect, realizing remote test control and long-term test demands of a plurality of mobile phones, and the integrated and movable mobile phone test device is small in volume, low in cost and is suitable for the test use in various simple office environments.

The invention relates to a method and a device for testing the energy change and the permeability of a nitrogen fracturing coal seam. The device comprises a reservoir environment simulation system, a power fracturing system, a data display system and a testing system, wherein the reservoir environment simulation system comprises an axial stress loading system and a confining pressure loading system; the reservoir environment simulation system can be used for truly simulating the stress state of the coal seam; the power fracturing system can be used for pumping gas into the testing system so as to fracture coal samples; the testing system comprises a plurality of coal sample tanks, and the plurality of coal sample tanks are selected to be connected or closed according to the situation, so that the plurality of coal samples can be tested; the method comprises the steps of detecting the air tightness, arranging the coal samples, connecting and fixing the device, carrying out reservoir environment simulation, fracturing by gas injection and testing. The method and the device not only are capable of testing the energy change and the permeability of the reservoir of a single coal body, but also are capable of testing the energy change and the permeability of the reservoir under the condition that different coal bodies are combined; the method and the device are high in test flexibility and accuracy rate.

The embodiment of the invention discloses an electric vehicle controller model in-the-loop test system and a method. The system comprises an input signal processing module, an output signal processing module, a first controlled object model, a vehicle controller model, and a second controlled object model, wherein the first controlled object model is used for generating a test signal according to a test case and sending the test signal to the vehicle controller model through the input signal processing module; the vehicle controller model is respectively connected with the input signal processing module and the output signal processing module for executing logic processing on the test signal to generate a control command and sending the control command to the second controlled object model through the output signal processing module; and the second controlled object model is used for executing the control command to generate an output signal and sending the output signal to the vehicle controller model through the input signal processing module. The system and the method disclosed by the embodiment of the invention have the advantages that manpower and material resources can be saved; the cost is reduced; the software integration test can be executed at the early development stage of the vehicle controller; and defects in the software can be timely found out and eliminated.

The invention discloses a test device, aims to provide a voltage or current transformer on-line test device without current interruption, a test power source and a standard voltage or current transformer and further discloses a voltage or current transformer on-line test method which is simple to test and operate and flexible in test. The device comprises a CPU (central processing unit) (8), a signal generator (1), an A / D (analog to digital) converter (7), a display module (9), an input interface circuit (2) and a sampling circuit (6), wherein the signal generator (1), the A / D converter (7) and the display module (9) are electrically connected with the CPU (8), the input interface circuit (2) is electrically connected with the signal generator (1) and is electrically connected onto a primary loop (3) on one side of a tested transformer (4), and the sampling circuit (6) is electrically connected with the A / D converter (7) and is electrically connected onto a secondary loop (5) on the other side of the tested transformer (4). Therefore, a loop for on-line test of the tested transformer (4) is formed.

The invention discloses an automatic software automated testing method based on cloud computing, relating to the field of software testing. The method comprises the following steps of: a master server sends a test script to each end server; the end server with received test script tests the test script and returns the test result to the master sever; the master server judges whether all test scripts in the set of test scripts are completely sent; if so, the testing is finished; or, the master server sends a new test script to an end server returning the test result, and performs corresponding steps. In the method, all test scripts are distributed to the end server by the master server, and the end server performs the test scripts one by one and acquires new test script after the test result is returned; therefore, all resources of the end server are ensured to be fully utilized in the whole test procedure and the availability of resources is improved.