一种血氧仪的模糊控制算法及实现  

A fuzzy control algorithm and implementation of non-invasive pulse oximeter

作　　者：王小栋[1] 胡平平[1] 

机构地区：[1]北京信息科技大学自动化学院,北京100192

出　　处：《北京信息科技大学学报（自然科学版）》2013年第1期73-78,共6页Journal of Beijing Information Science and Technology University

基　　金：北京市教委科技发展项目(KM200711232008)

摘　　要：为保证血氧仪测试的精确性,针对血氧仪信号抗干扰性差的问题,分析了影响血氧饱和度测量中的各种因素,构建了典型的测量电路,利用电路参数的模糊控制方法,对电路参数进行有效的控制,给出了一种从测量信号识别脉搏波形并计算出脉率的有效算法。实验表明该识别算法较常规算法具有更高的可靠性。In order to ensure the accuracy of non-invasive pulse oxygen saturation monitoring, for the problem of low anti-interference capability, the impact of various factors on the measurement of oxygen saturation is analyzed. A typical measurement block diagram is constructed. Then a fuzzy control algorithm is introduced which could effectively adjust the amplifier circuit parameters of the non-invasive pulse oxygen saturation monitoring system. Based on this, an effective algorithm is designed to extract pulse wave signal from sampled signal and the pulse rate is calculated. Experiments show the algorithm for recognizing pulse wave is more reliable than others.

关 键 词：血氧饱和度 参数调整 模糊控制算法 

分 类 号：TN29[电子电信—物理电子学]