摘要
提出了一种能够采用有滞后模型结构的SISO系统的频域辨识算法。该算法采用了直接的非线性指标,能够有效避免指标的线性化所导致的问题。进一步,针对这种非线性指标所导致的非线性优化问题,本文发展了一种最小二乘求解算法,提高了求解效率和解的可靠性。仿真取得了非常好的效果,表明了所提出方法的有效性。
A novel algorithm of frequency domain identification for SISO systems with delay is presented. This algorithm is based on a nonlinear index, which can accommodate the delay to be considered and is used to overcome the shortcomings with other linearization indexes. In order to avoid the difficult nonlinear optimization problem, a novel and efficient LS algorithm is developed. The illustrative simulation shows an excellent result and verifies the effectiveness of presented algorithm.
出处
《系统仿真学报》
CAS
CSCD
2001年第z1期76-78,共3页
Journal of System Simulation
关键词
频域辨识
传递函数
最小二乘法
frequency domain identification
transfer function
least square method.
