PID算法在BCI系统校准中的应用及仿真验证
Application and Simulation of PID Algorithm Used in the BCI
Calibration System
摘要 提出了一种基于PID控制原理的大电流快速校准算法,将离散式PID数字控制算法引入到大电流测试系统中的校准环节,缩减了系统的校准时间,提高了校准的精度。用MATLAB建模仿真,并和传统的校准算法相比较,结果表明该算法比传统的算法校准时间短、精度高、超调小且具有自适应性。
关键词 大电流注入系统;PID算法;快速校准算法; 电磁兼容
Abstract Presents a fast calibration algorithm of Bulk Current Injection (BCI) based on the
principle of PID. The PID algorithm is introduced into the calibration of Bulk Current
Injection system. By using incremental digital PID control theory, the algorithm reduced
the calibration time and improved the calibration accuracy. Modeling and simulation this
algorithm by MATLAB, compare it with the traditional calibration algorithm, the results
shows that the algorithm is more timeliness, accuracy, adaptively and smaller overshoot.
Keywords Bulk Current Injection system; PID algorithm; fast calibration algorithm;
electromagnetic compatibility
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