Yaopharma Co., Ltd.

Sichuan University

Chongqing University of Posts and Telecommunications

Chongqing Survey Institute

Institute of Industrial Internet, Chongqing University of Posts and Telecommunications

Yan Zhang

Zhirong Zhang

Zhen Kang

Qingqing Huang

Ping Wang

Xu Song

Zejun Xiang

Xiaoqing Bai

Yan Han

Tao Gong

Junqian Zhang

Hong Ma

Kaiquan Hu

Liangchao Chen

Zhiyong Zhou

Jiajun Zhou

Shuaiyong Li

Bei Zhang

Xun Sun

Yao Fu

Tijia Chen

Meiling Zhou

Disclosed is a prediction method for tool remaining life of a numerical control machine tool based on a hybrid neural model, including: constructing a hybrid neural network model, specifically including the following steps: constructing sample data according to the sampling frequency of tool data; obtaining a first feature vector representing the tool life by utilizing a convolutional neural network and a long short-term memory network; generating working condition signals of sampling points into a second feature vector representing the tool life by utilizing an NFM neural network; and inputting a current working time of a tool and the acquired feature vectors into a multi-layer perceptron for fusion to predict the tool life.

Prediction method for tool remaining life of numerical control machine tool based on hybrid neural model

A method for correcting space coordinates of a three-dimensional model includes: step S, reading information of an original coordinate frame of a three-dimensional model in a first format and the origin of coordinates of the model; reading information of nodes from three-dimensional model data in the first format, and calculating original coordinates of the nodes; step S, calculating parameters of correction between the original coordinate frame and a target coordinate frame; step S, transforming and correcting the coordinates of the origin and nodes of the three-dimensional model in the first format one by one by using the space coordinate correction matrix to obtain information of coordinate points of the three-dimensional model in the second format; and step S, storing a file of the three-dimensional model in the second format with corrected space coordinates. Also, a method for encrypting space coordinates of a three-dimensional model is provided.

Methods for correcting and encrypting space coordinates of three-dimensional model

A method for predicting a remaining life of a tool of a computer numerical control machine is provided. In the method, indirect measurement indicators of the tool are selected based on monitoring and analyzing a current state of the tool, a prediction model for the remaining life of the tool is established based on data de-noising, feature extraction and a multi-kernel W-LSSVM algorithm. Thereby, a method for predicting a remaining life of a tool of a computer numerical control machine is provided.

Method for predicting remaining life of numerical control machine tool

A compound represented by formula (I) or a pharmaceutically acceptable salt thereof, and a pharmaceutically acceptable formulation prepared using the compound and the salt. The compound represented by formula (I) or the pharmaceutically acceptable salt exhibits significantly higher buildup and concentration in the lungs compared to other tissues, a longer dwell time in the lungs, and/or elevated pharmaceutical efficacy. 

Podophyllotoxin derivative with 4-position nitrogen substitution and preparation method and application thereof

Provided is a nRGD polypeptide formed by connecting alanine-alanine-asparagine (AAN) and a polypeptide containing arginine-glycine-aspartic acid (RGD), wherein the nRGD polypeptide can target tumor vessels, tumor cells and tumor-associated macrophages, and mediate the targeted delivery of tumors.

Type polypeptide targeting tumours

Growing community of inventors

Chongqing, China

Yan Zhang