10 results about "Test error rate" patented technology

The present application relates to an RDE simulation test method, apparatus, equipment and readable storage medium, comprising dividing actual driving data corresponding to a vehicle model to be tested into multiple speed intervals and a number of short-stroke segments according to a preset speed interval threshold; determining whether the actual driving data is valid based on the average vehicle speed, relative positive acceleration and 95th percentile value of the product of speed and acceleration in each speed interval; when the actual driving data of all speed intervals are valid, determining the intense driving conditions corresponding to each speed interval; determining the weight value of each speed interval and the number of short-stroke segments used for RDE simulation testing based on the intense driving conditions to be tested corresponding to the vehicle model to be tested; constructing an RDE simulation condition based on the actual driving data and weight value of the short-stroke segments used for the RDE simulation test, and the powertrain bench control system performs an RDE simulation test of the vehicle model to be tested based on the RDE simulation condition, thereby reducing the test error rate and development cost and improving the test efficiency.

The present invention relates to a method and system for monitoring and processing reagent usage data in a laboratory of a clinical laboratory department, belonging to the technical field of data processing, including: analyzing according to the test data sequence to obtain the test error rate, test frequency, and record abnormality rate, and combining the procurement time cycle and the latest inventory quantity to conduct an analysis of the test shortage rate to obtain the test shortage rate; conducting a procurement impact analysis according to the test frequency and record abnormality rate to obtain the procurement impact rate; calculating a test impact parameter based on the test error rate and the test shortage rate, and combining the procurement impact rate to calculate a monitoring impact parameter, and generating a prompt message for prompting. Through the present invention, the technical problem that the traditional method cannot dynamically adjust the prompt parameters according to the actual situation of reagent usage, affecting the quality of reagent usage control, can be solved; the scientificity, flexibility, and accuracy of the prompt parameter setting can be improved, and the quality of reagent usage control can be improved.

The invention discloses an automatic test method and system for an analog machine, and the method comprises the steps: obtaining a test case selected by a user, and enabling the test case to be obtained by recording the operation of an operator when the operator carries out the manual test of the analog machine in advance; analyzing the selected test case to obtain a monitoring point location selected by an operator when the operator performs a manual test on the analog machine, input operation instructions and timestamps respectively corresponding to the operation instructions; acquiring corresponding monitoring information from the analog machine according to the monitoring point location, sending the operation instruction to the analog machine according to a timestamp corresponding to the operation instruction, and acquiring response information of the operation instruction from the analog machine; and generating a test result according to the monitoring information and the response information. By implementing the technical scheme of the invention, the manual repeated operation is reduced, the test error rate is reduced, and the test efficiency is improved.

The invention provides a submersible pump flow testing device, and particularly relates to the technical field of pump body testing, the submersible pump flow testing device comprises a testing box, a main controller is installed on the outer wall of one side of the testing box, a partition plate is arranged in the middle of the interior of the testing box, a submersible pump to be tested is placed in a water injection area, and a speed detection sensor is used for collecting liquid flow speed data in real time; according to the method, errors caused by a single detection means are effectively reduced, the overall test error rate can be controlled at a low level, the test result is closer to the real flow performance of the submersible pump, meanwhile, due to the visual test box, the liquid level rising situation can be visually seen by testers, and the test efficiency is improved. And the testing intuition is improved, and a surging water flow form is generated in the testing area, so that the liquid surging condition of the submersible pump in real scenes such as rivers and lakes is effectively simulated, and the testing result has higher practical reference value.

The invention provides an automatic testing system and method for an automobile alarm function, and belongs to the technical field of automobile alarm function testing, the automatic testing system comprises a testing module, a simulation module, a cabin area controller, a loudspeaker and a recording module, and during testing, the testing module outputs a simulation signal to the cabin area controller through the simulation module. And the cabin domain controller performs alarm priority ranking on the analog signals, and outputs alarm information corresponding to the analog signals to the loudspeaker in sequence according to the alarm priorities from high to low. And the test module receives the alarm audio information sent by the loudspeaker through the recording module, compares the alarm audio information with the alarm audio information corresponding to the analog signal output by the test module through the analog module in the step 1, and judges whether the automobile alarm function test passes or not. The automobile alarm function is tested in an automatic mode, the test efficiency is improved, and the labor cost and the test error rate are reduced.

The application discloses a kind of TIS fast test methods for multi-probe OTA test system.It includes the following steps: in the process of testing the TIS of first antenna probe, the TIS value of each antenna probe is obtained;And as the estimated EIS value of each antenna probe in the TIS of second antenna probe, the estimated EIS value of first antenna issued by the instrument through antenna probe;According to the difference between the final EIS value of first antenna probe and EIS1, further compensation is obtained to obtain the estimated EIS value data closer to the real EIS, and the EIS of each antenna is obtained according to EIS2 test;According to the EIS of each antenna probe, spherical area integration and average are obtained to final TIS.The application tests the TIS value of first antenna probe first, estimates all antenna probes according to the difference between the estimated EIS value of first antenna probe and the EIS value of second antenna probe, reduces the number of test error rate, improves test efficiency, and improves the test speed of TIS in OTA test.

The present invention provides a cooling system for battery pack performance testing, comprising a battery performance tester, wherein the battery performance tester is arranged on an external side of a test box, a temperature control server is provided on one side of the battery performance tester, a control panel is provided on one side of the temperature control server, a temperature sensing device is embedded on one side of the internal side of the test box, and a cooling device is provided on the upper part of the test box. The invention sets the required temperature through the control panel, and the battery pack can be quickly cooled by the cooling device. When the temperature measured by the infrared temperature measuring gun reaches the set temperature, the cooling can be quickly stopped, which greatly reduces the test error rate, improves the test efficiency, and reduces the test cost.

The utility model discloses a circuit board structure for efficiently testing a power supply network, which comprises a test unit arranged around an element on a circuit board, the test unit comprises a power supply test point, a ground test point and a silk-screen identification area, and the power supply test point and the ground test point are arranged in the horizontal direction or the vertical direction; the silk-screen identification area comprises a first silk-screen ring and a second silk-screen ring, the first silk-screen ring is connected with the second silk-screen ring, the first silk-screen ring surrounds the periphery of the power supply test point, and the second silk-screen ring surrounds the periphery of the ground test point. According to the utility model, the power supply test point and the ground test point are packaged in one test unit and are matched with the clear silk-screen identification area, so that the positions of the power supply test point and the ground test point are adjacent, the test path is optimized through a horizontal or vertical layout mode, the moving and repositioning requirements in the test process are reduced, and the test efficiency is improved. The test steps are simplified, the test can be carried out quickly, the test error rate is reduced, and the production efficiency is improved.

The invention discloses an efficient corn inbred line combining ability determination field trial design method, which comprises the following steps: S1, field layout design: adopting a chessboard type matrix layout, and planting test seeds and to-be-tested inbred lines in a vertical crossing manner; wherein the n backbone inbred lines serve as test seeds and are planted in rows in the east-west direction, and one test seed is planted in each row; the m to-be-tested excellent inbred lines are planted in a north-south row, and one to-be-tested inbred line is planted in each row; according to the method, the line-column coordinate marks are combined to replace a handwritten label, so that the risks of missing hanging and wrong hanging are eliminated, and the test error rate is reduced by more than or equal to 90%; a test seed and a to-be-tested line are planted adjacently, the pollination path is shortened by 60%-80%, and the single combination pollination time is shortened from 30-40 seconds of a traditional method to 10-15 seconds; after the process is simplified, one person can independently complete pollen collection, pollination and recording, and the labor cost is reduced by 50%; foreign pollen is effectively isolated through the protection line + bagging design, bagging and castration are conducted in time before the to-be-detected line spins and looses pollen, selfing is avoided, and the combining ability measuring accuracy is improved by 95% or above.