离散化粒子滤波器及其在色谱柱温度控制中的应用

摘要

由于在非线性、非高斯系统中表现出很好的应用效果,粒子滤波用于很多领域.粒子滤波算法的关键是建议分布的选择.该文提出一种改进的粒子滤波算法,可以提高粒子滤波算法的精度.仿真表明,这种粒子滤波技术应用到色谱柱柱温控制中,可以提高色谱柱温度控制精度,对色谱仪分析结果有重要影响.%Particle filter is widely used in many fields due to its good application effect in nonlinear and non-Gauss systems.The key step in the design of a particle filter is to choose the proposal distribution.In this paper, an improved particle filter algorithm with higher precision is presented.The?simulation?results show that the application of this particle filter algorithm in chromatographic column temperature control can increase the chromatographic column temperature signal control precision, meanwhile as we know, control of chromatographic column temperature has an important effect on chromatographic analysis