5results about How to "Eliminate positional deviation" patented technology

The application discloses a granary multi-dimensional monitoring method and system, and belongs to the technical field of granary monitoring. The method comprises the following steps: constructing a reference coordinate system, acquiring a grain pile surface profile based on a set update interval, and performing coordinate offset compensation; aligning the surface profile with the reference coordinate system to eliminate monitoring position deviation caused by grain pile compaction or loosening; collecting multi-source data in real time, setting multi-dimensional identification conditions to identify scene modes, and performing differential monitoring; when a dynamic scene is determined, triggering a layered monitoring mechanism; when a static scene is determined, triggering a static update mechanism; ensuring that effective monitoring data can be acquired in dynamic and static scenes; continuously monitoring the dynamic scene and performing dynamic termination judgment; once the dynamic scene is determined to end, triggering a smooth detection strategy to improve the long-term adaptability to dynamic changes of the grain pile and avoid sudden changes or faults in the monitoring data.

The utility model relates to transformer core steel sheet processing technical field discloses a kind of transformer core steel sheet blanking device, including: blanking rack, its top is equipped with top plate;Blanking support, fixed on the blanking rack, including blanking bottom die, blanking top die and the blanking cylinder of driving blanking top die up and down movement, the contact surface of blanking bottom die and blanking top die is equipped with positioning hole and positioning rod, for realizing accurate alignment when blanking;Material rack, installation in blanking rack side, including push material cylinder, with the push material seat of push material cylinder connection and the push material passageway that steel sheet passes, the push material cylinder is fixed on material rack by cylinder seat, for continuously pushing steel sheet to the processing area of blanking bottom die.The utility model has the advantages of simple structure, convenient operation, high blanking precision, high production efficiency and the like.

This application relates to the field of industrial control technology and discloses an intelligent synchronous control method, system, and storage medium for material feeding in a glass production workshop. The method includes: acquiring position data using dual laser rangefinders and differentially obtaining velocity and acceleration; inputting the data into a neural network to predict the future position covering the total delay time and dynamically correcting it; fusing feedforward compensation and proportional-derivative control to calculate the target velocity; adaptively correcting and switching parameter sets based on error statistical characteristics; converting the parameter sets into frequency commands for a frequency converter and performing integral compensation. This application solves the problems of delay lag, insufficient dynamic response, long-term accuracy drift, and poor adaptability to operating conditions in the synchronous control of the material feeding trolley and the feeding belt trolley in a glass production workshop, improving the position synchronization accuracy of the two devices and the stability of system operation.

The application relates to the technical field of concrete permeability testing, and discloses a permeability testing device for high-strength concrete research and development, which comprises an equipment table, a plurality of rotary air cylinders and a plurality of telescopic air cylinders installed on the equipment table, a plurality of side wall sealing mechanisms fixedly installed in the equipment table, an adjustable upper cover assembly arranged above the side wall sealing mechanisms, and an adjustable lower seat assembly arranged below the side wall sealing mechanisms; the self-adapting lateral sealing mechanism is composed of a fixed cylinder, a shrinkable film, a spiral liquid guide plate and a petal isolation plate; during testing, a hydraulic system injects pressure oil into a liquid oil cavity through a liquid inlet pipe; the oil is uniformly and circumferentially diffused under the guidance of the spiral liquid guide plate, fills the whole cavity from the bottom to the top along the liquid passage of the fixed isolation plate, and is uniformly radially expanded inwards under the oil pressure; the petal isolation plate fixed on the film follows the movement, effectively restricts the deformation path of the film, and prevents local distortion.