4results about How to "Speed ​​up the development process" patented technology

The application discloses a non-singular fast terminal sliding mode vibration active control method based on a compensation function observer, 1) according to elastic dynamics, a fourth-order modal equation of a four-side fixed support plate structure driven by an electromagnetic inertial actuator is established; 2) in view of external unknown interference and modeling uncertainty existing in the system, a compensation function observer is designed to realize real-time estimation and compensation; 3) a non-singular fast terminal sliding mode surface is constructed, and a sliding mode control law is designed in combination with the observer output, so that the singularity problem of a traditional terminal sliding mode is solved, and the time for system state to reach a balance point is shortened through a fast convergence term; 4) a comparison experiment is designed, and the composite control method designed in the application can significantly reduce the vibration amplitude of the four-side fixed support plate while guaranteeing the finite time stability of the system, and has stronger anti-interference ability and higher vibration suppression precision compared with the traditional sliding mode control.

The utility model relates to injection moulding processing mould technical field especially relates to a kind of injection molding part quick -wired mould. Including: top plate, top block being arranged in the top plate below, intermediate block being arranged in the top block below, several bottom blocks being arranged in the intermediate block below and bottom plate being arranged in the bottom block below, the inside detachable connection of the top block has mould core;The middle part of the top plate is provided with main flow pipeline, and the main flow pipeline is communicated with the mould core. The utility model provides a kind of injection molding part quick -wired mould with the advantages of high work efficiency, good product quality, long service life, low cost, simple structure and easy to disassemble and assemble.

This invention belongs to the field of plasmid and mRNA quality control technology, specifically disclosing a method for characterizing plasmid quality. Existing plasmid quality control systems cannot effectively predict mRNA product quality and do not focus on the purity of the PolyA tail. This invention establishes a positive correlation between the purity of the PolyA region in the plasmid and the quality of the mRNA product by detecting its purity, thus achieving early mRNA quality prediction. The prediction method includes the following steps: plasmid sample enzyme digestion, analysis of PolyA fragment purity using capillary gel electrophoresis, and substituting the PolyA fragment purity into a correlation curve to obtain mRNA purity. Based on this, this invention effectively shortens the production cycle, reduces costs, and provides a new evaluation dimension for plasmid quality control by screening plasmids with acceptable PolyA purity for mRNA production.

This invention provides a method, apparatus, equipment, and medium for controlling alternating gas-water injection and production, belonging to the field of petroleum development technology. The method includes: acquiring multiple sets of different injection and development parameters; calling a reservoir development gas-water alternating injection and production model; employing orthogonal design to select the optimal injection parameters from the multiple sets of injection parameters, and calculating the corresponding optimal gas-water ratio, gas slug size, and water slug size. By fixing these optimal parameters and inputting different development parameters into the gas-water alternating injection and production model, the optimal development parameters that maximize reservoir recovery are determined; finally, a gas-water alternating injection and production strategy is generated based on these optimal parameters to guide reservoir development. This invention significantly improves reservoir recovery and development efficiency by optimizing injection and development parameters, while reducing costs and enhancing operational flexibility.