7results about How to "Meet time requirements" patented technology

This application provides a CAN message caching and processing architecture based on the AUTOSAR protocol stack, including: a caching module for caching received CAN messages during CAN interrupts, wherein the CAN messages include network management messages, application messages, and diagnostic messages; and a time-sharing processing function interface for execution in Tasks to implement time-sharing reading and processing of the CAN messages cached in the caching module. This architecture satisfies the time requirements for message processing while reducing processing time during CAN interrupts, preventing frequent interrupts from affecting the microcontroller's task scheduling.

The invention discloses magnesium phosphate maritime work repair mortar and a preparation method thereof. The magnesium phosphate maritime work repair mortar is prepared from magnesium oxide, monopotassium phosphate, calcium lactate, an early strength agent, tributyl phosphate, metakaolin, polyethylene glycol fibers, mixed sand and water. The preparation method comprises the following steps: firstly, mixing tributyl phosphate and water, and stirring to obtain a mixed solution; stirring magnesium oxide, monopotassium phosphate, calcium lactate, an early strength agent, metakaolin and polyvinyl alcohol fibers to obtain mixed powder; then adding the mixed powder into the mixed solution, and stirring to obtain a mixture; and finally, adding the mixed sand into the mixture, and stirring to obtain the magnesium phosphate maritime work repair mortar. The magnesium phosphate maritime work repair mortar disclosed by the invention has the advantages that the setting time is more than or equal to 22min, the fluidity is more than or equal to 190mm, the fluidity is good, the strength stability is good, the bonding strength is high, the penetration resistance is excellent, and the magnesium phosphate maritime work repair mortar has a wide prospect in the application of ocean engineering.

The invention discloses a display screen bad point rapid detection method and system, and the method comprises the steps: making a first test picture, displaying a background of a first color on the first test picture, and displaying a group of first test points of a second color on each first partition; making a second test picture, displaying a background of a second color on the second test picture, and displaying a group of second test points of the first color on each second partition, the distance between the second test points being a critical distance; burning the first test picture and the second test picture into a drive IC of the smart watch; calling a first test picture and a second test picture, and comparing an abnormal point on an AMOLED display screen of the smart watch to be tested with a first test point of the first test picture or a second test point of the second test picture; the abnormal point is compared with the first test point or the second test point, so that an operator can quickly judge the bad point, manpower, material resources and time efficiency are greatly saved, and the cost is saved.

The present invention belongs to the field of material transmission technology, and solves the technical problem that the transmission device in the existing printing device has a large volume; it provides a cache transmission device and a printing device, wherein the device includes: a first transmission mechanism for transmitting materials; a cache mechanism for receiving materials output by the first transmission mechanism and caching the materials; a second transmission mechanism for discharging materials from the cache mechanism in a preset order. In the cache transmission device and the printing device of the present invention, the transmission device is provided with a cache mechanism to cache materials, which increases the material transmission time under the same length of the transmission device, thereby relatively reducing the volume of the cache transmission device, thereby reducing the floor space of the cache transmission device, and improving the space utilization of the cache transmission device; the printing device adopts the above-mentioned cache transmission device, so the printing device at least has all the advantages of the cache transmission device.

The present invention discloses a dual-payload device for autonomous identification and detection of methane point sources on a satellite, comprising a payload body, wherein a methane source identification sensor (with a forward tilt angle) and a methane concentration detection sensor (connected to the payload body through a swing arm structure) are respectively installed at the front and rear positions of the bottom of the payload body; the methane source identification sensor has dual detection channels (strong and weak absorption bands); the payload body includes a satellite computer module, which is used to obtain detection data of the methane source identification sensor, identify suspected methane emission sources through a ratio threshold method and determine coordinate information, generate attitude adjustment instructions for the swing arm structure, and generate detection instructions for the methane concentration detection sensor after the adjustment is completed; the methane concentration detection sensor is used to detect high-precision methane column concentration products. The device of the present invention can effectively and autonomously identify methane emission sources on a satellite and can successfully complete the detection task, and can improve the satellite's ability to detect and invert methane source strength with high precision.

The application discloses an abnormal traffic data filtering method and device, and relates to the technical field of network management intelligent operation and maintenance.The method comprises the following steps: sequentially entering the traffic data to be analyzed into a first-in first-out queue, and judging the data value abnormality by calculating the change abnormality measurement index of the traffic data when the traffic data is in the queue and when the traffic data is out of the queue; combining the data value abnormality judgment results when the traffic data is in the queue and when the traffic data is out of the queue, and finally determining the abnormality of the traffic data; and processing the traffic data finally determined as abnormal according to a preset processing strategy.The application can identify and process the abnormal traffic data in the data analysis preprocessing stage, thereby reducing the influence of the abnormal value of the traffic data on the traffic prediction and analysis work, making the abnormal value analysis and processing process of the traffic data automatic, and being self-adaptive to the change and development of the traffic data.

The invention discloses a task acceleration execution simulation method based on multi-period priority. The method comprises the following steps: S10, slow dynamic system simulation initialization: determining an original simulation period and priority of a slow dynamic system, dividing a simulation acceleration period, and setting simulation initial parameters; s20, slow dynamic system acceleration simulation: performing slow dynamic system acceleration simulation in an acceleration period according to the simulation initial parameters and the priorities to obtain simulation results of each model instance; and S30, simulation result output: outputting the simulation result of each model instance. The task acceleration execution simulation method is high in efficiency, low in cost, high in accuracy and good in universality.