4 results about "Link model" patented technology

A finite-time anti-interference control method for a universal pneumatic flexible manipulator includes the following steps: The universal pneumatic flexible manipulator is simplified to a link model using the D-H method, and kinematic analysis is performed to obtain the kinematic analysis model and the position of the end point of the universal pneumatic flexible manipulator; based on the kinematic analysis model of the universal pneumatic flexible manipulator, a dynamic model of the universal pneumatic flexible manipulator is established using the Euler-Lagrange method; the uncertainty of the universal pneumatic flexible manipulator is considered as a disturbance, and a second-order mathematical model of the pneumatic flexible manipulator is established; a finite-time extended state observer is designed to estimate the disturbance, and based on the disturbance estimate, a finite-time backstepping controller is designed to compensate for the influence of the disturbance on the system; to address the model uncertainty, a finite-time control method is designed to compensate for the influence on the position control accuracy of the pneumatic flexible manipulator, exhibiting strong robustness and high control accuracy.

This invention discloses a method, apparatus, and system for analyzing the correlation between user retrieval, travel, consumption, and destination attention links, belonging to the field of consumer behavior prediction. The method includes: structuring and preprocessing legally and compliantly collected user data; identifying cognitive dwell nodes in the structured and preprocessed data to construct an attention link model module; constructing a cognitive behavior evolution prediction and path interpretability model module based on the attention link model module; and finally, dividing the attention link model module and the cognitive behavior evolution prediction and path interpretability model module into independent modules, integrating them through a unified data interface and communication protocol. During cross-scenario deployment and model migration, adjustments are made according to the requirements of new scenarios. This invention enables efficient deployment and rapid migration across different application scenarios, effectively improving the overall system's engineering adaptability, scalability, and commercialization efficiency.

The application discloses a three-dimensional anti-deviation collaborative optimization design method of a wireless excitation synchronous motor system and belongs to the technical field of wireless excitation synchronous motor systems. The method comprises input system design requirements and constraint conditions; a magnetic coupling resonance wireless energy transmission link model is established to obtain the corresponding relationship of coupling coefficients and output power and efficiency; an electromagnetic model of an electrically excited synchronous motor and the coupling relationship between the electromagnetic model and rotor excitation current are established to obtain the unified mapping of coupling coefficients and motor output power and system efficiency; a three-dimensional deviation model is established and the maximum coupling coefficient change rate is calculated as an anti-deviation index; a multi-objective collaborative optimization model with output power, system efficiency and anti-deviation capacity as optimization objectives is constructed; and optimization solving is performed and magnetic coupler parameters and motor key parameters are output. The application improves coupling stability under three-dimensional deviation conditions while ensuring power and efficiency, effectively suppresses rotor excitation current and output power fluctuation, and improves system robustness.

The application method 1 is a computer preprocessing link model support copy transplantation method; specifically, starting the computer to run the 3D printing model preprocessing program; loading model A and B; selecting the add support menu instruction, then selecting model A and adding support unit C1 to it; selecting model A; selecting the copy support menu instruction; selecting model B; connecting to generate the same support unit C2 as C1 on model B; method 2 and device 2 are a program control implementation method and device corresponding to method 1; specifically, obtaining and traversing the triangular mesh models and data of models A and B; generating triangular mesh groups C1 of support units on model A; selecting a reference point a of model A; obtaining the triangular mesh group C1 data; selecting a reference point b of model B; performing offset operation on the triangular mesh group C1 data with the coordinate offset between the reference points a and b; and generating triangular mesh groups C2 of support units on model B.