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 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 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 discloses a testing method of virtual equipment. The invention only needs one computer to be tested, which can adopts different testing procedures to carry out establishment, identification and test aiming at different types of virtual equipment, thereby realizing the comprehensive automatic test of the functions of the virtual equipment. Thus, the problem of conflict in test and the interference of manual operation to the testing progress of the virtual equipment are avoided, the testing environment is simplified, the testing time is shortened, and the scientificalness and the accuracy of the test of the virtual equipment are enhanced.

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.

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.

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.

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.