中控技术申请 PID 回路相关性分析专利，改进生产工艺和故障预警处理

Group 1 - The State Intellectual Property Office of China has published a patent application by Zhongkong Technology Co., Ltd. for a method and device related to PID loop correlation analysis, with the publication number CN 119758958 A and application date of December 2024 [1] - The patent involves a method that includes obtaining self-control rate data and stability rate data of PID loops, generating frequent item sets based on this data, and iteratively creating candidate item sets to derive association rules [1] - The invention utilizes data mining algorithms to uncover hidden nonlinear relationships and complex patterns in PID system evaluation data, aiming to enhance production processes and fault warning handling through deeper analysis of high-dimensional data [1] Group 2 - Zhongkong Technology Co., Ltd. was established in 1999 and is located in Hangzhou, primarily engaged in software and information technology services [2] - The company has a registered capital of 7,905.91256 million RMB and a paid-in capital of 7,859.24676 million RMB [2] - Zhongkong Technology has invested in 39 companies, participated in 4,048 bidding projects, and holds 295 trademark records and 1,799 patent records, along with 232 administrative licenses [2]