一种超大光学基板研抛过程自适应闭环控制方法及系统

By constructing a full-process adaptive closed-loop control architecture and integrating multi-source sensing networks and deep reinforcement learning models, real-time acquisition of multi-dimensional process signals and adaptive optimization of parameters in the polishing process of ultra-large optical substrates were achieved. This solved the problems of incomplete monitoring and insufficient adaptability in existing technologies, and improved processing quality and efficiency.

CN122411276APending Publication Date: 2026-07-17NANYANG NEW PRECISION OPTICS CO LTD

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
NANYANG NEW PRECISION OPTICS CO LTD
Filing Date
2026-06-17
Publication Date
2026-07-17

AI Technical Summary

Technical Problem

Existing technologies cannot fully perceive multi-dimensional process signals during the polishing of ultra-large optical substrates, making it difficult to establish a complete understanding of complex processing states. Furthermore, offline-trained machine learning models cannot adapt to real-time changes during the processing, resulting in insufficient adaptability of control strategies.

Method used

A full-process adaptive closed-loop control architecture is constructed, integrating a multi-source sensing network for multi-dimensional process signal acquisition. Combined with a dynamic relationship model of deep reinforcement learning and multi-model fusion, online parameter learning and optimization decision-making are achieved, and real-time adjustment is realized through the collaborative control of distributed actuators.

Benefits of technology

It achieves comprehensive monitoring and adaptive control of the polishing process of ultra-large optical substrates, and can dynamically adjust process parameters in real time, thereby improving processing quality and efficiency and solving the problems of incomplete monitoring and insufficient adaptability in existing technologies.

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Abstract

本发明公开一种超大光学基板研抛过程自适应闭环控制方法及系统,属于光学制造技术领域。该方法构建信号采集层、特征提取层、参数学习层、优化决策层和执行控制层全流程闭环架构。信号采集层通过多源感知网络同步采集压力、振动、声发射及功率等多维工艺信号;特征提取层提取特征构成状态向量;参数学习层采用深度强化学习策略网络,以状态向量为输入输出调节动作并在线更新;优化决策层融合多模型动态关系与多目标优化算法,生成最优工艺参数组合;执行控制层下发指令至分布式执行机构并反馈实际状态。数据流水线正向传递,状态信息反向更新策略,闭环响应时间控制在100ms以内。本发明实现多工艺参数在线自适应协同调节,提升加工质量与效率。
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