基于改进入侵杂草算法优化的PID生物质废弃物发酵热能控制模式

PID Control for Fermentation Heat Energy in Biomass Waste Based on Improved Invasive Weed Optimization Algorithm

生物质废弃物发酵系统是一个大时滞系统,针对生物质发酵系统中的热能控制存在波动大、振荡多和超调大的问题,提出基于改进入侵杂草算法优化的PID生物质废弃物发酵热能控制方法,运用改进入侵杂草算法对PID控制器的参数进行在线调整。算例仿真表明,所提方法能够快速、稳定且高精度地实现对生物质废弃物发酵系统的热能控制,为沼气制取提供了稳定的热能环境,实现了沼气的稳定供应。

Biomass waste fermentation system is a large time delay system.In view of problems of high fluctuation,high shock and super adjustment of heat control in biomass waste fermentation system,PID control method for fermentation heat energy in biomass waste based on improved invasive weed optimization algorithm was proposed.Parameters of PID controller can be adjusted online by using improved invasive weed algorithm.Simulation of the study showed that the method proposed in the study could achieve heat energy control in biomass waste fermentation system quickly,steadily and accurately,provide stable heat environment for biogas production,and achieve stable supply of biogas.