46results about How to "Realize simulation test" patented technology

The present invention discloses a simulation test table of tunnel structure, surrounding rock and underground water interaction, belonging to the field of underground engineering simulation test technology. Said test table is formed from the following four portions: (1), reaction frame; (2), hydraulic servo control loading system; (3), water pressure loading and sealing system; and (4), hydraulic loading and data acquisition computer control system.

The invention discloses a JTAG switching interface, a single board, a JTAG interface conversion board and a single board testing system, and relates to the communication technology field so as to bring convenience for adjusting a chip on the single board. The JTAG switching interface has all signal functions of two or more different JTAG interfaces. The single board comprises a printed circuit board which is provided with at least one chip connected with the JTAG switching interface. The JTAG switching interface has all signal functions of two or more different JTAG interfaces. The invention also discloses the JTAG interface conversion board and the single board testing system. The JTAG switching interface can be used for interface conversion.

The invention discloses a test device and a test method for simulating two-dimensional loading liquid nitrogen cooling roadway excavation and unloading. The device comprises a core-drilling drill bit,a cooling and liquid injecting hole, a liquid injecting control switch, a sealing control valve, a drilling stem, a motor, a sliding block, a connecting rod, a rack, a gear, a speed-changing motor, aguide rail, a liquid nitrogen bottle, a bearing, a telescopic support, a rock test sample, a pipeline and a rotating connecting rod. The test method is implemented according to the following steps: 1, fixing a rock test sample; 2, performing two-dimensional loading on the rock test sample; 3, mounting an excavation and unloading test device; 4, simulating round roadway excavation and drilling; and 5, processing and analyzing data. In the process of drilling the rock test sample, the liquid injecting control switch is switched on, the temperature of the drill bit is reduced by injecting liquidnitrogen into the core-drilling drill bit through the cooling and liquid injecting hole, and the problem that the related properties of the rock material is easily weakened by a mode of cooling by water is solved.

The invention discloses an automobile driving simulator test system and a control method. the automobile driving simulator test system comprises a driving simulator control machine cabinet, a drivingsimulator display module and a driving simulator driving operation device which are connected with one another, wherein the driving simulator control machine cabinet comprises a vehicle control unit VCU, a 24 V vehicle control unit VCU, a 12 V vehicle control unit VCU, a lamplight display unit, a switch control unit, a chassis control unit and an RCP control unit which are connected with one another. The control method comprises the steps of: step 1, compiling a test scheme according to test requirements of a tested control strategy; step 2, injecting the tested control strategy; step 3, selecting an environment of a test system; step 4, and executing a test. The automobile driving simulator test system and the control method have the superior effects of being capable of realizing the analysis test of driver behaviors and function tests of the vehicle control strategy, improving the development efficiency of a power assembly and shortening a development cycle, and have the advantages of simple and effective test method as well as real and valid data.

The invention is suitable for the field of aviation and provides a space robot electric integration test technology demonstration verification system. The system comprises an on-satellite device system and a ground device system, wherein the on-satellite device system comprises a digital tube computer, an attitude orbit dynamics computer, a signal processing computer, an objective measuring system electric simulator, a micro target satellite-borne electric simulator, a GPS electric simulator, a flywheel electric simulator and an acceleration electric simulator; and the ground device system comprises a testing host, a dispatching computer, a database server, a data display computer, a test and control terminal simulator and a real-time animation demonstration computer. The space robot electric integration test technology demonstration verification system can achieve simulation testing of a space robot, and compared with the prior art, the system is low in implementation cost.

Disclosed is a universal 1553B bus communication simulation testing system and method. The system comprises a computer, a simulator, a master control 1553B communication node set and a slave 1553B communication node set. The computer is connected with a CPU (central processing unit) sub-board of the master control 1553B communication node set through the simulator. The master control 1553B communication node set is connected with the slave 1553B communication node set through an A/B 1553B communication line. The computer controls a CPU to initialize any two of 16 1553B communication nodes in the master control 1553B communication node set to BC (bus controller) and BM (bus monitor) operating modes, other 14 ones to RT (remote terminal) operating modes and 16 1553B communication nodes in the slave 1553B communication node set to the RT operating mode. A maximum-scaled communication network system based on 32 1553B communication nodes is constructed, and universal 1553B bus communication simulation testing is achieved.

The invention discloses a display system comprehensive verification system for situation awareness enhancement, and the system comprises flight simulation software, visual simulation software, air traffic control operation simulation software, and comprehensive verification platform test software. The comprehensive verification platform test software compiles flight simulation data, avionics system simulation data and non-avionics system simulation data sent by the flight simulation software as well as air traffic control operation data and scene related operation data sent by the air traffic control operation simulation software into excitation data and outputs the excitation data to the display system, and the display system draws the display picture, and distributes the simulation scene output by the scene simulation software to the required display. The method is a comprehensive verification method with situation awareness enhancement, air traffic control operation, visual simulation, flight scene setting and new display application.

The invention discloses an ECN board card, which comprises a network interface module for communicating with an external device, a data processing module for communicating with the network interface module through a MAC interface, and a storage module for communicating with the data processing module, wherein the network interface module is used for implementing interconversion between an Ethernetwaveform and an RMII network level signal; the data processing module is used for calling a TRDP protocol stack, analyzing a first MAC data packet into a TRDP frame, analyzing the TRDP frame into first data, and sending the first data to an upper computer; or packaging the second data received from the upper computer into a second TRDP frame, combining the second TRDP frame into a second MAC datapacket and sending the second MAC data packet through the MAC interface. It can be seen that in the invention, the simulation test of the application function of the ECN bus is implemented by means of the ECN board card interacting with the external device and the upper computer.

The invention discloses an analog switch and an application method thereof. The analog switch is respectively connected with an AC (Alternating Current) standard power supply and a power distribution terminal, wherein the AC standard power supply is used for outputting alternating current, and the alternating current comprises working current and fault current; the power distribution terminal is used for sampling alternating current and sending remote-control signals, and the remote-control signals comprise remote-control switch-on signals and remote-control switch-out signals; the analog switch is used for receiving the remote-control signals and controls the switching of the alternating current according to sampling results of the alternating current and the remote-control signals. By implementing the technical scheme of the analog switch disclosed by the invention, the analog switch executes the corresponding switching action according to the alternating current output by the AC standard power supply and the received remote-control signals sent by the power distribution terminal, cuts off fault current during the switching action, and outputs the corresponding telecommand signals after completing the switching action. The analog switch had the advantages of low cost, and capabilities of receiving remote-control signals and simultaneously outputting and maintaining the telecommand signals, and the analog experiment of cutting off the fault current is realized.

The invention discloses a simulation test system of a 1553B bus. According to the embodiment of the invention, a test board card is constructed by adopting a system-on-chip (SOC) technology; the constructed test board card truly simulates a full-function simulation test system supporting a 1553B bus in a low-cost mode in a mode of separating interface configuration software borne by an upper computer from real-time embedded running software in an SOC of the test board card. Therefore, according to the embodiment of the invention, the simulation test of the 1553B bus is realized in a full-function manner.

The invention discloses a simulation device and a simulation method for shield tunnel segment deformation and ground surface settlement. Comprising a stabilizing frame, a shell assembly arranged on the stabilizing frame, a limiter arranged in the shell assembly and used for limiting shield tunnel segments in the X direction and the Y direction, and a stratum simulation assembly located below the shield tunnel segments and used for simulating a stratum structure. Effective prevention and control of displacement of shield tunnel segments on the horizontal plane are achieved through the limiting stoppers of the telescopic structures, multi-layer stratum springs capable of being freely detached at the bottom are utilized, and settlement deformation of multiple positions of a tunnel is monitored through high-precision displacement sensors on the upper portion. After the shield tunnel segments are assembled, the positions of the shield tunnel segments are fixed through cooperation of the limiting stoppers of the telescopic structures and the shell assembly, simulation tests of multiple types of stratums are achieved, and the device can be suitable for different tunnel model diameters and different composite stratums.

The invention is suitable for the technical field of computer application, and provides a simulation test method and a simulation test system for a head-up display system, and the simulation test method comprises the steps: obtaining the state information of a first simulation vehicle during driving in a simulation driving environment; generating a first picture through the to-be-tested head-up display system according to the state information; and fusing the first picture with the simulation driving environment to obtain a simulation test picture. According to the method and the device, the test effect and the test efficiency of the AR-HUD program can be improved.

The invention provides a simulation test method and device of an execution mechanism, an intelligent arm support and an engineering vehicle. Variable address information of an operation variable in an execution file is obtained, the operation variable on the variable address can be determined according to the variable address information, and the value of the operation variable in the execution file of the execution mechanism is determined, the result address information of the output result of the execution mechanism in the execution file is obtained, and the output result of the execution mechanism after the execution mechanism operates the operation variable of the determined numerical value is obtained based on the result address information, therefore, the modification of the operation variables in the execution file of the execution mechanism and the result acquisition can be realized through communication interaction without being limited by code languages, and the simulation test of the execution mechanism is realized, so that the convenience and accuracy of the simulation test are improved.

The invention provides a joint bearing dust cover waterproof tester comprising a swing mechanism, a long shaft, a supporting base, a short shaft, a workpiece fixing plate, a slide rod and a swing plate. The swing mechanism is connected with one end of the long shaft and the long shaft is enabled to rotate around the axis in a reciprocating way through the swing mechanism. The other end of the longshaft is installed on the experiment joint bearing inner race. An installing base is fixed on the workpiece fixing plate. The experiment joint bearing outer race is installed in the installing base.One end of the short shaft is supported by the supporting base. The swing plate is installed on the other end of the short shaft. The joint bearing is embedded in the swing plate. One end of the sliderod penetrates into the joint bearing, and the other end of the slide rod and the long shaft are fixed. The swing plate is enabled to rotate around the axis of the short shaft in a reciprocating waythrough reciprocating rotation of the long shaft. The workpiece fixing plate and the swing plate are connected. The simple mechanism can be used, and one micro-motor and the connecting rod mechanism are applied to simultaneously drive the product to perform circumferential and left and right swinging.

A diesel engine box body simulation test bench system for simulating altitude climate of a plateau comprises a test box, an energy box and a diesel generating set; the test box comprises a test box assembly and a monitoring box assembly; the test box assembly comprises a test box body. The test box body is provided with an iron floor, a fast-assembly trolley, an air spring shock absorber, an oil-water-gas butt joint layer, an intermediate-temperature cool-heat-exchanger, an air flow meter, a dynamometer, an oil consumption meter, an air inlet pipe and an exhaust pipeline; the monitoring box assembly comprises a monitoring box body, and a control cabinet, an electric cabinet, a monitoring display screen, a seat and an emergency stop switch are arranged in the monitoring box body; and the energy box is divided into a front box body, a middle box body and a rear box body by two partition plates. The defect that other vehicle enterprise large-scale laboratory equipment cannot be moved andcannot be used for testing in other regions is overcome, and diesel engine simulation tests under various conditions of altitude climate of the plateau can be well realized.