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41 results about "System integration testing" patented technology

System integration testing (SIT) involves the overall testing of a complete system of many subsystem components or elements. The system under test may be composed of hardware, or software, or hardware with embedded software, or hardware/software with human-in-the-loop testing.

CTCS-3 level train control system integrated test method

InactiveCN113212502AStrong quality effectThe steps are clearRailway traffic control systemsCommunication qualityFunctional testing
The invention disclsoes a CTCS-3 level train control system integrated test method. According to the method, starting from key and necessity test items of an integration test, the integration test time and a driving route are combined, and CTCT-3 level train control system integration test is arranged as a whole.The method is composed of five steps, including a C2 level 90km/h pull-on test; a C3 level 90km/h pull-on test; a mobile authorization test; C3 level inter-level switching and a station track shunting test; and a manual route canceling and station side area speed limiting function test; the overall function of a C3-level system can be verified in a short time, functions of C3-level subsystems and the interface configuration function between the C3-level subsystems can be verified, the communication quality of train-ground communication can be verified, and a basis is provided for smooth joint debugging and joint testing of a signal system; meanwhile, each step is clear in thought, simple and clear in content, easy to understand and high in operability. The method is advantaged in that the universal sample plate for the C3-level integration test is provided, a solid foundation is laid for smooth development of subsequent joint debugging and joint test, a test method is provided for the integration test of the C3-level high-speed railway, and the high-quality effect of the integration test is guaranteed.
Owner:中铁建电气化局集团南方工程有限公司 +1

Universal interface system for multifunctional radio-frequency module

ActiveCN106209148AReduce the amount of integration testingImprove stabilityTransmissionBus interfaceEmbedded system
The invention discloses a universal interface system for a multifunctional radio-frequency module, and belongs to the technical field of communication. The universal interface system comprises a system control management module, a universal bus interface module and a universal radio-frequency module, wherein the system control management module communicates with the universal bus interface module through a synchronous bus, and is used for issuing a system message, a control command and data, and receiving and processing self-check and state information reported by the universal radio-frequency module through the universal bus interface module at the same time; the universal bus interface module is a bridge between the system control management module and the universal radio-frequency module, and is used for finishing forwarding and processing of a system control command and data forwarding; and the universal radio-frequency module is applied to receiving-transmitting and up / down conversion of radio-frequency signals and modulation and demodulation of baseband signals, and executing the control command issued by the system control management module. The universal interface system is applied to radio communication, navigation and monitoring systems. Through adoption of the universal interface system, the system integration testing amount can be reduced effectively, and the system stability is improved.
Owner:10TH RES INST OF CETC

Semi-physical simulation system of vehicle-mounted network control system

The invention relates to the technical field of semi-physical simulation, in particular to a semi-physical simulation system of a vehicle-mounted network control system, which solves the technical problems in the background technology and comprises an upper computer, at least one real-time simulation machine and a physical controller, and each real-time simulation machine is provided with at least one distributed RIOM signal switching device. According to the invention, the hardware-in-the-loop simulation system simulates the sending and receiving signals of a remote input/output unit (RIOM), can realize closed-loop control, can complete the time sequence and interval time related combinational test, and can complete the full coverage of hardware test item points of a network control system; the effective utilization rate of semi-physical simulation is improved, and the system integration test requirements of different vehicle types such as locomotives, bullet trains and urban rails are met; meanwhile, automatic testing software is configured, automatic testing of all network control equipment can be achieved, a testing report is generated, the invalid working time of simulation testing personnel is shortened, and the verification efficiency of network control system hardware is improved.
Owner:CRRC YONGJI ELECTRIC CO LTD

Safety and stability system integration testing device and method based on HDLC protocol simulation

The invention discloses a safety and stability system integration testing device and a safety and stability system integration testing method based on HDLC protocol simulation. The safety and stability system integration testing device comprises a man-machine interaction module, input and output interface modules, an analog quantity interface module, a communication module and a main control module, wherein the man-machine interaction module is used for manually setting power flow, a network wiring mode, control strategy selection and off-line stability system control strategy calculation; theinput interface module is used for connecting an external contact to the testing device, and the output interface module is used for outputting pressing plate information by the testing device; the analog quantity interface module is used for outputting analog quantity voltage and current by the testing device; the communication module is used for performing time synchronization and analyzing andsimulating an HDLC protocol by the testing device; and the main control module is used for collecting information of the communication module and carrying out comprehensive analysis and judgment on the information. According to the safety and stability system integration testing device and the safety and stability system integration testing method, accurate fault positioning of logic errors of the control strategy of the safety and stability system is realized, and reliable guarantee is provided for safe and stable operation of a power system.
Owner:HANGZHOU E ENERGY ELECTRIC POWER TECH +1
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