38results about How to "Efficient test method" patented technology

The invention relates to a system and method for testing the atomization spraying effect of a natural gas drag reducer. The test system includes: a simulated pipeline system, an atomization filling system, a high-speed camera system and a spray particle size measurement system; wherein, the atomization filling system is used to add drag reducer to the simulated pipeline system; The high-speed camera system is used to collect atomized spray images; the spray particle size measurement system is used to measure the particle size of the drag reducer atomized particles, and its change with time, and automatically generate a "particle size-time" curve. The atomization and spraying effect testing system and method of the natural gas drag reducing agent of the present invention can reasonably evaluate the atomization effect, and provide a basis for determining on-site filling process parameters.

The present invention relates to the technical field of Internet of Vehicles, and specifically discloses a method for testing the functional application of roadside units in a vehicle-road coordination system, which includes: calling test case data according to a test control instruction of a control device, wherein the test case data includes auxiliary Test vehicle motion trajectory parameters, vehicle dynamics model parameters and Internet of Vehicles function application information; send the test case data to the tested roadside unit functional application platform; receive the tested roadside unit functional application platform according to the test Using the feedback information obtained from the case data; analyzing and processing the feedback information to obtain an analysis result; sending the analysis result to the control device. The invention also discloses a testing device and system for the functional application of the roadside unit in the vehicle-road coordination system. The test data of the test method for the functional application of the roadside unit in the vehicle-road coordination system provided by the present invention is real, safe and efficient.

The invention discloses a device for testing the response speed of a sensor and a testing method thereof. The device includes at least one set of test chambers, an air intake mechanism and an exhaust mechanism. The test chamber is provided with a reference sensor and a sample holder, the position and temperature of the sample holder can be adjusted, and an air intake mechanism is arranged above the sample holder, which communicates with the valve 2, the valve 1 and the nozzle in sequence through the air supply tank , the airway azimuth adjustment mechanism is located on the airway between the valve 2 and the valve 1, and is located in the test cavity. Before the test, use the software simulation device to determine the position of the components and the opening of each valve; determine all the test signals of each important connection; pass the background gas into the test cavity from the air inlet channel, and read the test value of the sensor device; adjust the sensor to be tested Inject the test target gas into the relative position of the nozzle to test the transient response of the sensor to be tested. The device of the invention has simple structure, novel method, high efficiency and is not restricted by the use environment.

The invention discloses a low-voltage power line carrier communication interconnection performance testing method, and the method comprises the steps: verifying the consistency of communication languages and interaction flows of to-be-verified equipment and standard equipment, and determining the protocol consistency of the to-be-verified equipment; verifying whether the transmitting and receiving performances of the to-be-verified equipment meet the standard demands or not, and determining the communication performances; verifying the compatibility of the to-be-verified equipment with the standard equipment in a simulation environment, determining the interoperability, and judging the low-voltage power line carrier communication interconnection performances according to the protocol consistency, communication performance and interoperability. The beneficial effects of the invention lie in that the method provided by the invention is a high-efficiency testing method for the verification of the consistency of a to-be-verified equipment communication mechanism; the method is a quantitative and efficient testing method for the communication performances of the to-be-verified equipment; and the method is an efficient testing method for verifying the business supporting effectiveness of the to-be-verified equipment for an electric energy collection system.

The invention provides a method for testing correctness of device model simulation results. The method comprises the following steps of: generating a circuit simulation netlist on the basis of a device model and a test demand; respectively carrying out simulation by adoption of comparative simulation software and to-be-tested simulation software on the basis of the circuit simulation netlist; and generating a simulation test result on the basis of the simulation result. The method for testing correctness of device model simulation results is an efficient and visual test method; according to the method, a most basic device model building circuit is simulated; and the method is compared with a gold analysis tool to generate a result report which is easy to check, so that simulation software engineers are helped to rapidly and conveniently check the result of supporting the device model by the simulation software so as to save the debugging cost, and circuit design engineers of design companies are helped to rapidly assess whether the support, for the device model, of new simulation software is consistent with the support, for the device model, of the existing simulation software or not so as to save the assessment cost.

A test device, comprising two plate-shaped pole plates arranged opposite to each other, two Nafion membranes are arranged between the two pole plates, carbon paper or carbon cloth is arranged between the pole plates and the Nafion membrane; the two pole plates are passed through wires Connect with electrochemical workstation or resistivity tester respectively. The present invention makes up for the gaps in the prior art, and realizes the effective separation of electronic conductivity and ion conductivity in electrodes and other electronic conductors. The test method is accurate, efficient, and widely applicable. The test materials include carbon materials, metal materials, and semiconductors. Materials and homogeneous, porous and other electronic conductors.

The invention relates to the technical field of demolition blasting construction methods, in particular to a demolition blasting trial blasting method. The demolition blasting trial blasting method comprises the following steps of (1) selecting a component in a building to be detonated as a trial blasting component; (2) drilling a plurality of trial blasting holes not interfering with each other in the component and filling different quantities of explosives into the different trial blasting holes; (3) detonating the explosives in all the trial blasting holes, observing the detonated componentand selecting the explosive quantity of the trial blasting hole with the best trial blasting effect as the optimal explosive quantity; and (4) carrying out explosion design work on demolition blasting construction according to the optimal explosive quantity. The trial blasting method is simple and high in efficiency. The trial blasting workload is reduced. The more accurate blasting explosive quantity can be obtained. No burden is caused to the blasting safety management work. The demolition blasting trial blasting method has great promotional value.