Design of dissolved oxygen control system based on improved particle swarm optimization algorithm

CAO Shouqi; GE Zhaorui; ZHANG Zheng

doi:10.13873/J.1000-9787(2020)06-0113-03

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Design of dissolved oxygen control system based on improved particle swarm optimization algorithm

更新时间：2025-09-11

- Design of dissolved oxygen control system based on improved particle swarm optimization algorithm
- Issue 6, Pages: 113-115(2020)
- 作者机构：
  
  上海海洋大学工程学院
- 作者简介：
- 基金信息：
- DOI：10.13873/J.1000-9787(2020)06-0113-03
  CLC： S969;TP18;TP368.1
- Published：2020
- 稿件说明：
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CAO Shouqi, GE Zhaorui, ZHANG Zheng. Design of dissolved oxygen control system based on improved particle swarm optimization algorithm[J]. 2020, (6): 113-115.
DOI：

CAO Shouqi, GE Zhaorui, ZHANG Zheng. Design of dissolved oxygen control system based on improved particle swarm optimization algorithm[J]. 2020, (6): 113-115. DOI： 10.13873/J.1000-9787(2020)06-0113-03.

摘要

针对循环水养殖系统中溶解氧调控大滞后、干扰多等问题进行研究。以STM32L单片机为主控芯片

利用溶解氧传感器、增氧机等建立溶解氧调控系统。根据模糊比例—积分—微分(PID)控制系统建立养殖塘溶解氧调控的数学模型

并引入粒子群算法进行模糊参数修正;为避免粒子群算法早熟、陷入局部最优

对原算法进行改进。通过MATLAB仿真和实验验证了所提方法的有效性。实验结果表明:与传统粒子群优化模糊PID控制和PID控制相比

采用改进粒子群优化算法的溶解氧调控系统响应速度更快

超调量减小

具有良好的控制效果。

Abstract

Aiming at the problem that control of dissolved oxygen in circulating water culture system is greatly delayed and there are much interference

dissolved oxygen control system is established by dissolved oxygen sensor and oxygen booster using STM32 L micro-controller unit（ MCU） main control chip. The mathematical model for dissolved oxygen regulation in culture pond is established according to the fuzzy proportional-integral-differential（ PID） control system

and the particle swarm optimization（ PSO） algorithm is introduced to correct the fuzzy parameters. The original algorithm is improved in order to avoid the early maturity of the particle swarm fall into the local optimum. The effectiveness of this method is verified by MATLAB simulation and experiment.Experimental results show that fuzzy PID control with traditional PSO

compared with the PID control

the dissolved oxygen control system with improved PSO algorithm has faster response speed and less overshoot

which has good control effect.

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