信息与控制2017，Vol.46Issue(2)：159-164,6.DOI:10.13976/j.cnki.xk.2017.0159
基于N4SID子空间辨识的线性自抗扰控制器
Linear Active Disturbance Rejection Controller Based on N4SID Subspace Identification
摘要
Abstract
To improve the estimation result of the extended state observer (ESO) and to solve the problem of parameter tuning of in the active disturbance rejection control,we propose a linear active disturbance rejection control strategy based on the N4SID numerical algorithms for subspace state space system identification (N4SID).We use the N4SID subspace identification method to determine the unknown parameters of the system model and the parameter of the linear active disturbance rejection control (LADRC) to reduce the uncertain factors of the controlled system and to improve the ability of the extended state observer to estimate the generalized disturbance of the system.Simulation results show that the proposed method effectively improves the control effect of LADRC and the estimation ability of the extended state observer.关键词
扩张状态观测器/子空间辨识/线性自抗扰控制/广义扰动/估计能力Key words
extended state observer/subspace identification/linear active disturbance rejection control/generalized disturbance/estimation ability分类
信息技术与安全科学引用本文复制引用
李正明,郭世伟..基于N4SID子空间辨识的线性自抗扰控制器[J].信息与控制,2017,46(2):159-164,6.基金项目
国家自然科学基金资助项目(61273142) （61273142）
江苏省六大人才高峰江苏省高校优势学科建设工程资助项目 （）
