77results about How to "Simplify the test environment" patented technology

Disclosed is a car chassis integrated controller hardware in-the-loop simulation test bed; a car multi-condition digital simulation mathematical model is established on a host machine, translated into C code format, received by a target machine through the Ethernet and then downloaded into the CPU of the target machine; an electronic control unit controls eight electromagnetic valves and receives the state of the electromagnetic valves through a PCL card to control the various car condition digital simulation model running and feedback information stored in the target machine. The car chassis integrated controller hardware in-the-loop simulation test bed has the advantages that the test bed realizes the hardware-in-the-loop of an ECU and an actuator so as to achieve more accurate prediction results of various control parameters; in the early stage of the research and development of the chassis electronic control system, the test bed optimizes the control parameters of extreme dangerous condition; the test bed also simplifies the test environment, and all the performances and optimized parameters obtained in the test are closer to that of real car testing.

The invention provides a server-side simulating system based on an IEC61850 and a method thereof, which are applied to digital substations adopting the IEC61850 for communication and traditional substations. The system consists of a simulator terminal and a simulator console. The method comprises the following steps: loading an SCD model at the simulator terminal for analyzing; breaking out a CID model file needed by an IED; carrying out man-machine interaction in a tree diagram and tabular form to allocate one data generator for each module data; generating state sequence through the data generator; downloading the state sequence to the simulator control table; loading the CID model broken out by the simulator terminal on the simulator console for analyzing; establishing an IEC61850 database, organizing the trackback path information of the IEC61850 model orderly; addressing the IEC61850 database according to the model trackback path corresponding the data generator; refreshing the IEC61850 database state in real time; and interactively communicating with a station monitor and control layer through the IEC61850, thereby finishing the simulation of the IED server terminal. The invention can carry out simulating preview on the whole substation IED, greatly saves project debugging time and has the characteristics of strong operability, high efficiency, flexible configuration and the like.

The invention relates to an automobile double-clutch automatic speed changer hardware-in-the-loop simulation test bed; a host machine establishes a digital simulation mathematical model of multiple working conditions of the automobile and converts the digital simulation mathematical model into a C code format, the C code format is received and downloaded to a CPU by a target machine through an Ethernet, an electric control unit controls an executive motor of the two clutches and the executive motor of a synchronizer, and the displacement of the clutch is received through a PCL board card in order to control the operation of the digital simulation model of various working conditions of the automobile stored in the target machine and the information fed back by the target machine. The invention has the advantages of realizing the hardware-in-the-loop of a TCU and an actuator, the more accurate prediction results of various control parameters, optimizing the control parameters of extremely dangerous situations in the prophase of research and development of a DCT electronic control system, simplifying the test environment, and the tested various performances and gained optimization parameters closer to the real vehicle test.

The invention provides a virtual trunk measuring device for network protocol, comprising a measuring device which comprises a centre control module and at least one virtual measuring module. The virtual measuring module is arranged for creating a packet content which will be sent to a measured trunk system, sending the packet to the measured trunk system, receiving and checking the packet from themeasured trunk system, wherein addresses of link layer of the packets which are created and processed by different virtual measuring modules are different. The centre control module is arranged for coordinating and managing the measurement of virtual measuring modules, wherein a port of the measuring device is connected to a port of the measured trunk system. The invention can simplify the measuring environment and avoid the coordinating synchronization among a plurality of measuring devices. The measuring result is more reliable and accurate.

The invention relates to an in-loop simulation test bed for hardware of a transmission control unit (TCU) of a dry-type dual clutch transmission (DCT), comprising a synchronizer execution motor, a PC (personal computer) machine, an AutoBox prototype controller, the electronic control unit TCU (transmission control unit), a clutch execution motor, a driving control mechanism and a clutch assembly, wherein the TCU is respectively connected with the synchronizer, the PC machine, the AutoBox prototype controller, the clutch execution motor, the driving control mechanism and the clutch assembly, the PC machine is connected with the AutoBox prototype controller, and the clutch execution motor is connected with the clutch assembly. Compared with the prior art, the in-loop simulation test bed has the advantages that service conditions of the TCU are more close to the working condition of a real vehicle and prediction and evaluation of a dry-type DCT control policy can be more accurate.

The invention discloses a device for testing the performance of an optical module and aims at providing a convenient and quick test environment. The invention is realized by the following technical scheme: a PC is connected to a server through an RJ45 network cable, is connected to an optical module performance test board through a USB data line, and is connected to an optical power meter throughan RS232 serial line, the optical power meter is connected to an ROSA optical device through an optical fiber splitter, a tested optical module is connected to the test board through a gold finger slot, the average optical power of the TX end of the tested optical module is divided into two by the optical fiber splitter, one path is sent to the ROSA optical device, and the other path is sent to the optical power meter, the PC obtains the average optical power value of the optical module measured by the optical power meter, and then compares the average optical power value with an optical powerthreshold that have been configured by the server, and determines whether the average optical power value of the tested optical module is within a normal range by using the comparison result. An alarm light visually displays various performance test results of the tested optical module.

The invention belongs to the field of simulation testing technology, and provides a train control ground equipment simulation testing system and a method thereof. The system comprises train control ground equipment, a train control equipment interface simulation subsystem and a line data simulation server. The train control equipment interface simulation subsystem comprises a communication interface module, an IO interface module and a train control interface simulation application server. The communication interface module and the IO interface module are directly connected with the train control ground equipment, and are connected with the line data simulation server through Ethernet. The train control interface simulation application server is connected with the line data simulation server through Ethernet. The train control ground equipment simulation testing system and the method thereof have advantages of simulating the real interface of the equipment, simplifying a testing environment, and improving independence and accuracy of a testing result.

The present invention discloses a network card testing method, through which the data transferring capability of two network cards, which are ready for test, can be tested in a single test process of a computer. One of the two network cards for test is used as a sending terminal network card and the other is used as a receiving terminal network card; in conformity to a test data status liked list and a linked list of the test configuration parameter and the network card information, the sending terminal network card sends the test data to the link layer through a plurality of drivers in turn and the actual bytes in the test data package, which are gained by the operational system, sent by the sending terminal network card and received by the receiving terminal network card, is compared with the original bytes in the test data package so as to judge the data transferring capability of the network cards for test. Hereby, the present invention overcomes the disadvantages of the present method that the service terminal or client terminal network is used for the test of the network cards.

The invention discloses a wireless router stability testing system and method. The system comprises a broadband server, a simulative generator and a plurality of wireless routers, and further comprises a concentrator, wherein the simulative generator is connected with a network cable port of a computer, connected with the broadband server and used for virtually obtaining N wireless clients, network cable ports of the wireless routers are respectively connected to the broadband server, serial ports of the wireless routers are respectively connected with the computer and are in wireless network connection with the simulative generator, and the simulative generator is connected with the broadband server through the concentrator. According to the wireless router stability testing system and method, on the one hand, the testing environment can be simplified, and wireless testing terminal resources are saved; on the other hand, flow varieties between wireless terminal equipment and the wireless routers can be increased, the routers can be tested at the same time, and testing efficiency is improved.

A test system and method utilizing a single storage device through a network, which includes a server and at least a test object connected to a storage device that supports multi-system operations. The storage device provides many kinds of test environments and test tools for different test objects. The storage device includes a test program, a plurality of virtual test sections and test tools. When a correspondent virtual test section does not exist in the storage device, the associated test disk image is obtained from the server for establishing a new virtual test section in the storage device. Through the network operation, the test environment management is simplified and the test efficiency is improved.

A calibration architecture that enables accurate calibration of radio frequency (RF) integrated circuits (ICs) chips used in transceiver RF systems in a relatively simple testing environment. Embodiments of the invention include one or more on-chip switchable internal calibration paths that enable direct coupling of a portion of the on-chip circuit to an RF test system while isolating other circuitry on the chip. Some embodiments allow interconnection of switchable internal calibration paths between separate IC chips. Still other embodiments utilize internal switches and antenna mutual coupling to provide over-the-air calibration, alone or in combination with direct signal coupling via internal calibration paths. Periodic self-calibration of an RF IC can be performed after initial factory calibration, so that adjustments in desired performance parameters can be made while such an IC is embedded within a final system, and / or to take into account component degradation due to age or other factors.

The invention provides a method and a system for detecting welding quality of an antenna of a wireless product based on RSSI (Received Signal Strength Indicator) test. The method receives an RSSI value transmitted by the wireless product through a client and estimates the antenna welding state according to the RSSI value. The system comprises the to-be-detected wire product arranged in a screening box, an antenna gain stabilized wireless network card and a computer; wherein the wireless network card is arranged in the computer; the antenna of the wireless network card is arranged in the screening box. The method and the system of detecting the welding quality of the antenna of the wireless product can effectively and rapidly estimate the antenna performance by testing an RSSI indicator and is particularly applicable to product test of large scale production in a factory; the test environment is simplified, the test time is shortened, the test efficiency is improved and the performances of the antenna can be well tested.

The invention provides a sub-function independent test method of an automatic train monitoring system based on an interface, which comprises the following steps: receiving a test request sent by a client, and extracting a to-be-tested sub-function module in the automatic train monitoring system in the test request; acquiring test data of the to-be-tested sub-function module, and determining a standard result corresponding to the test data in the to-be-tested sub-function module; sending the test data to the to-be-tested sub-function module to trigger the to-be-tested sub-function module to process the test data and return a test result; receiving a test result, and sending the test result and a standard result to the client for matching and comparison, so that the client displays the test result, wherein when the interface adapter interacts with the to-be-tested sub-function module, conversion of a test data format or a test result data format is carried out through the interface adapter. According to the method provided by the invention, the test environment is simplified, the requirements on hardware materials are reduced, and the influence of external interference on the accuracy of the test result is avoided.

The invention provides a system, a method and a multiplexer for testing radio frequency for a base station. The multiplexer comprises a first port, a first combiner, at least a second port, at least a third port, a band-pass filter and a band elimination filter. The first port is connected with a radio frequency port to be tested of the base station, the first combiner is connected with the first port, the second port is connected with a frequency spectrum analyzer, and the third port is connected with a signal generator. The band-pass filter is connected between the first combiner and the second port, and a passing band of the band-pass filter is a downlink radio frequency signal frequency range of the base station. The band elimination filter is connected between the first combiner and the third port, and a stop band is a downlink radio frequency signal frequency range of the base station. The system, the method and the multiplexer can improve accuracy of testing efficiency and testing results and reduce testing cost.

The invention discloses a whole-spacecraft single-particle soft error time-frequency fault ground-based simulation system. The system adopts a DDS (Direct Digital Synthesizer) to connect with an external frequency marker; the DDS is controlled by an MCU (Micro-programmed Control Unit), and the output of the DDS is connected to an FPGA (Field Programmable Gate Array). An output signal of the DDS after subjected to frequency multiplication by a PLL (Phase Locked Loop) serves as a work clock signal of the FPGA; besides outputting, the output end of a first counter also drives a second counter; the output end of the second counter is connected with an input end of a pulse width counter; a reference 1pps counter outputs a 1pps counting signal; the output end of the pulse width counter outputs while the reset end of the pulse width counter is connected with the work clock signal of the FPGA; an output end of an adding and subtracting period control counter is connected with the period control end of the first counter; the MCU inputs an adding and subtracting period control drive signal, a 1pps whole phase signal and a reset request signal to the FPGA through an MCU interface; and the adding and subtracting period control drive signal, the 1pps whole phase signal and the reset request signal are respectively used for period control and restoration of the adding and subtracting period control counter, the first counter and the second counter. The whole-spacecraft single-particle soft error time-frequency fault ground-based simulation system can finish high-precision and comprehensive simulation of a single event upset effect time-frequency fault.

The invention belongs to the field of simulation testing technology, and provides an interface simulation system of train control on-train equipment and a train control data testing method. The system comprises the train control on-train equipment, an on-train interface simulation subsystem and a line data simulation server. The on-train interface simulation subsystem comprises a simulation driving platform, an on-train interface simulation application server, an on-train interface simulation unit, a simulation responder and a power converter. The simulation driving platform is connected with the on-train interface simulation unit and the train control on-train equipment. The on-train interface simulation application server is connected with the line data simulation server and the on-train interface simulation unit. The on-train interface simulation unit is connected with the train control on-train equipment. The power converter is connected with a power supply, the train control on-train equipment and the simulation driving platform. The interface simulation system of the train control on-train equipment and the train control data testing method have advantages of simplifying a testing environment, and improving independence and accuracy of a testing result.

The invention relates to the technical field of network communication, discloses a simulation testing method for wide area network links and solves the problem in the prior art that a resource is short as a plurality of wide area network board cards are required for testing the wide area network links as well as applications and protocols supported by the links. The method comprises the following steps: simulating and establishing pseudo wide area network interfaces in home terminal network equipment and opposite terminal network equipment, wherein wide area network link messages sent by the pseudo wide area network interface of the home terminal network equipment are encapsulated to Ethernet frame messages in a set format and the Ethernet frame messages are sent from a bound physical interface; after receiving the Ethernet frame messages sent by the opposite terminal network equipment through the physical interface, reducing the Ethernet frame messages to the wide area network link messages; and parsing the pseudo wide area network interface receiving local messages and submitting the reduced wide area network link messages to the local corresponding pseudo wide area network interface to be treated. In addition, the invention further discloses a corresponding testing system which is suitable for simulation testing of the wide area network links.

The invention relates to a method for testing functions of a remote console, which can perform an automatic test on the functions of the remote console of a tested server in a single-color test mode or an image test mode under the condition of no network environment and no client computer. The test method can avoid the manual operation intervening with the testing process, does not need the support of the network environment and the client computer, and improves the accuracy of testing the functions of the remote console of the tested server.

A calibration architecture that enables accurate calibration of radio frequency (RF) integrated circuits (ICs) chips used in transceiver RF systems in a relatively simple testing environment. Embodiments of the invention include one or more on-chip switchable internal calibration paths that enable direct coupling of a portion of the on-chip circuit to an RF test system while isolating other circuitry on the chip. Periodic self-calibration of an RF IC can be performed after initial factory calibration, so that adjustments in desired performance parameters can be made while such an IC is embedded within a final system, and / or to take into account component degradation due to age or other factors.

The invention discloses a system for testing the time measurement precision of a digital relay protection tester. A tested device and a main control mechanism are arranged. The tested device is connected with the main control mechanism; the tested device outputs an SV message, a GOOSE message or a hard contact input signal and transmits the SV message, the GOOSE message or the hard contact input signal to the main control mechanism; the main control mechanism collects signals transmitted by a tested device. And the SV message, the GOOSE message or the hard output signal is transmitted to the tested device in a delayed manner according to the delayed time configuration of the configuration module, so that the closed-loop testing device can be used for closed-loop testing of the time measurement accuracy of the digital relay protection tester of the power system, the testing environment is simplified, the manpower and equipment cost is reduced, and the working efficiency is improved.

The invention provides a PXI bus-based portable intelligent simulation unit, which comprises a PXI case, a network interface board, a time service unit board, an analogue collection board, a switching value input board and an operation loop board, wherein the PXI case, the network interface board and the time service unit board are connected with the analogue collection board, the switching value input board and the operation loop board through a PXI bus. The PXI bus-based portable intelligent simulation unit provided by the invention integrates three functions of a merging unit, an intelligent terminal and a time service unit; a configuration method is relatively simple and convenient; and a simple and convenient test environment is provided for testing of protection and measurement and control devices.

A calibration architecture that enables accurate calibration of radio frequency (RF) integrated circuits (ICs) chips used in transceiver RF systems in a relatively simple testing environment. Embodiments of the invention include one or more on-chip switchable internal calibration paths that enable direct coupling of a portion of the on-chip circuit to an RF test system while isolating other circuitry on the chip. Some embodiments allow interconnection of switchable internal calibration paths between separate IC chips. Still other embodiments utilize internal switches and antenna mutual coupling to provide over-the-air calibration, alone or in combination with direct signal coupling via internal calibration paths. Periodic self-calibration of an RF IC can be performed after initial factory calibration, so that adjustments in desired performance parameters can be made while such an IC is embedded within a final system, and / or to take into account component degradation due to age or other factors.

A calibration architecture that enables accurate calibration of radio frequency (RF) integrated circuits (ICs) chips used in transceiver RF systems in a relatively simple testing environment. Embodiments of the invention include one or more on-chip switchable internal calibration paths that enable direct coupling of a portion of the on-chip circuit to an RF test system while isolating other circuitry on the chip. Periodic self-calibration of an RF IC can be performed after initial factory calibration, so that adjustments in desired performance parameters can be made while such an IC is embedded within a final system, and / or to take into account component degradation due to age or other factors.

The invention relates to the technical field of wind power generation, and in particular to a test system, a test method and a test device for a fan control system. The test system comprises terminal equipment and a controller, wherein the terminal equipment is used for transmitting test data of a fan to a controller; the controller is used for running the fan control system, and receiving the test data by means of a virtual hardware interface set in the fan control system, so that the fan control system runs the test data to obtain a test result; and the terminal equipment determines whether the fan control system passes through a test according to the test result after receiving the test result. According to the test system, the fan control system can be tested just by means of the cooperative use of the terminal equipment and the controller, the test environment is simple, the installation is convenient, and the cost is low. Meanwhile, since the test data is received by means of the virtual hardware interface of the fan control system, the virtual hardware interface can be modified to adapt to the fan control systems of different versions.

Disclosed is a car chassis integrated controller hardware in-the-loop simulation test bed; a car multi-condition digital simulation mathematical model is established on a host machine, translated into C code format, received by a target machine through the Ethernet and then downloaded into the CPU of the target machine; an electronic control unit controls eight electromagnetic valves and receivesthe state of the electromagnetic valves through a PCL card to control the various car condition digital simulation model running and feedback information stored in the target machine. The car chassisintegrated controller hardware in-the-loop simulation test bed has the advantages that the test bed realizes the hardware-in-the-loop of an ECU and an actuator so as to achieve more accurate prediction results of various control parameters; in the early stage of the research and development of the chassis electronic control system, the test bed optimizes the control parameters of extreme dangerous condition; the test bed also simplifies the test environment, and all the performances and optimized parameters obtained in the test are closer to that of real car testing.

The invention discloses an SoC chip test method, which comprises the following steps: when a verification instruction is received, reading a register configuration instruction from a preset storage space according to the verification instruction; wherein the SoC chip is connected with a hardware test layer, and the preset storage space is deployed in the hardware test layer; performing register configuration according to the register configuration instruction, and starting each element device in the SoC chip after the register configuration is completed; and obtaining the operation result of each element device, and determining the SoC chip inspection result according to each operation result. By applying the technical scheme provided by the invention, the performance verification of the system-level SoC chip can be realized, and the accuracy of a chip verification result is ensured. The invention further discloses an SoC chip inspection device and equipment and a computer readable storage medium which all have the above beneficial effects.

The invention relates to a positioning test method and device, computer equipment and a storage medium. The method comprises the following steps: displaying a positioning configuration interface by running positioning test software integrated with a positioning test instruction set, wherein the positioning test instruction set comprises positioning test instructions corresponding to different positioning configuration information; receiving a target positioning configuration operation acting on the positioning configuration interface, and determining a target positioning test instruction fromthe positioning test instruction set according to the target positioning configuration operation; sending the target positioning test instruction to a communication module, so that the communication module performs positioning according to target positioning configuration information corresponding to the target positioning test instruction; and obtaining target positioning data returned by the communication module, determining a positioning test result of the communication module under the target positioning configuration information according to the target positioning data, and displaying thetarget positioning data through positioning test software. By adopting the method, the test efficiency can be positioned.

The embodiment of the invention discloses a wired router terminal upgrading method and device, computer equipment and a storage medium. The method comprises the following steps: creating a socket; starting a thread, creating a socket client, sending a broadcast packet, and calculating the number of sending times; judging whether a response packet from the server is received or not; if yes, analyzing the response packet to obtain the target MAC and the IP allocated by the server; judging whether the target MAC is consistent with the local MAC or not; if yes, modifying the internet access IP; receiving a software upgrade package sent by the server; upgrading according to the software upgrading package; when upgrading succeeds, restarting is carried out; judging whether the software version number of the local machine is changed or not; and if yes, sending an upgrade completion reply packet to the server, so that the server counts upgrade condition information according to the upgrade completion reply packet and recovers the allocated IP. By implementing the method provided by the embodiment of the invention, the upgrading efficiency of multiple wired router devices can be improved, and the test environment is simplified.