Design of sliding mode controller for servo feed system based on generalized extended state observer with reinforcement learning

A Wang, X Feng, H Liu, M Yao - Scientific Reports, 2024 - nature.com
Nonlinear friction, system uncertainty, and external disturbances have a significant impact
on the performance of high-precision servo feed systems. In order to achieve higher tracking …

Thermal model and thermal analysis of the dual drive sliding feed system

H Li, H Liu, X Feng, Y Liu, M Yao, A Wang - Machines, 2023 - mdpi.com
The dual drive sliding feed system can obtain a uniform and stable resolution at extremely
low speeds and significantly reduce the system's nonlinear friction. However, the numerous …

Modeling and analysis of thermal behavior of feed system based on full-state thermal contact resistance

H Liu, X Feng, P Li, Y Liu, Y Li, M Yao - The International Journal of …, 2024 - Springer
The dual-drive feed system can significantly reduce the effects of nonlinear friction.
However, due to the numerous heat sources in its system, the thermal responsive …

A Novel Friction Identification Method Based on a Two-Axis Differential Micro-Feed System

Z Zhang, X Feng, P Li, A Wang, Z Su - Actuators, 2023 - mdpi.com
Ultra-precise actuation at extremely low speeds over a broad range is a major challenge for
advanced manufacturing. A novel two-axis differential micro-feed system (TDMS) has been …

高马赫数飞行器准平衡飞行段弹道优化方法.

温杰, 周欢, 丛戎飞, 丁智坚… - Journal of Ordnance …, 2023 - search.ebscohost.com
针对类HTV 飞行器准平衡飞行段弹道优化问题, 提出一种基于改进直接打靶法和自适应遗传
算法的混合优化方案. 首先在控制约束范围内构造控制量数据集, 将控制量初末时刻值和终端 …