香菇装袋机菌棒密度控制系统的设计与试验
Design and experiment of mushroom-stick density control system for mushroom bagging machine
程大鹏 1刘品潇 2刘德平 1刘昊男 3刘振阳 1李凯1
作者信息
- 1. 郑州大学 机械与动力工程学院,郑州 450001
- 2. 郑州大学 机械与动力工程学院,郑州 450001;南阳理工学院 智能制造学院,河南 南阳 473004
- 3. 南阳理工学院 智能制造学院,河南 南阳 473004
- 折叠
摘要
针对香菇装袋机对菌棒密度控制性差的问题,设计一种香菇装袋机菌棒密度控制系统.通过分析香菇装袋机的工作原理,建立菌棒密度控制系统的数学模型;结合香菇培养基散料的物理特性,将模糊控制与传统PID控制结合;在Simulink中建立传统PID和模糊PID控制系统的仿真模型,并进行仿真分析;将所设计的菌棒密度控制系统装载到香菇装袋机上进行现场试验.仿真结果表明,模糊PID控制系统的响应时间为 0.81 s,对干扰的反应时间为 0.093 s;相比传统PID控制,模糊PID控制系统在响应速度和抗干扰能力上分别提高 53%和 20%,并且在不同预设值情况下表现出较好的控制效果.现场试验结果表明,模糊PID控制对菌棒密度的控制性较好,在不同预设值下的合格率分别为97.852%,97.923%,94.152%,变异系数分别为 2.324%,2.252%,2.649%,满足菌棒生产的要求.研究为香菇装袋机的控制提供新的解决方案.
Abstract
A mushroom-stick density control system for mushroom bagging machine was designed to address the issue of poor control over mushroom-stick density.By analyzing the working principle of the mushroom bagging machine,a mathematical model for the density control system of mushroom-sticks was established;The fuzzy control was combined with traditional PID control based on the physical characteristics of mushroom culture medium bulk materials;Simulation models for traditional PID control systems and fuzzy PID control systems were established in Simulink and simulation analysis was conducted;The designed mushroom-stick density control system was loaded onto the mushroom bagging machine for on-site testing.The simulation results show that the response time of the fuzzy PID control system is 0.81 s,and the response time to interference is 0.093 s;Compared with traditional PID control,fuzzy PID control system is 53%and 20%faster in response speed and anti-interference ability,respectively,and shows good control effect under different preset values.The on-site test results show that the fuzzy PID control has good control over the density of mushroom-sticks,with qualification rates of 97.852%,97.923%,and 94.152%at different preset values,and coefficients of variation of 2.324%,2.252%,and 2.649%,respectively,meeting the requirements of mushroom-stick production.The research provides a new solution for the control of mushroom bagging machines.
关键词
菌棒/香菇装袋机/密度控制/模糊PIDKey words
mushroom-stick/mushroom bagging machine/density control/fuzzy PID引用本文复制引用
出版年
2024
国家科技期刊平台
NSTL
万方数据