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Consensus of heterogeneous multi-agent systems based on sampled data with a small sampling delay
  • ISSN号：1674-1056
  • 期刊名称：《中国物理B：英文版》
  • 时间：0
  • 分类：TQ015.9[化学工程] O6-39[理学—化学]
  • 作者机构：[1]江南大学,轻工过程先进控制教育部重点实验室,江苏无锡214122
  • 相关基金：国家自然科学基金资助项目（61374047）
作者： 王娜[1], 吴治海[1], 彭力[1]
关键词： 污水处理, 曝气控制, PAM, PWM, wastewater treatment, control of aeration, PAM, PWM
中文摘要：

通过简化ASM1模型建立污水生物处理中异养菌新陈代谢的数学模型,在此基础上将PWM方法应用于污水处理过程控制。首先,使用局部工作点最优线性化方法将建立的非线性模型线性化,其次使用LQR（线性二次最优调节器）方法得到曝气流量与污泥排放流量的模拟控制律。将模拟控制律转化为PAM控制律,进一步转变成PWM控制律,可以更有利于解决大功率电机调速控制问题。在动态进水条件下与多溶氧点控制法和开关控制法进行仿真比较,结果显示PWM控制方法使得出水中的污染物浓度远小于国家标准,且优于多溶氧点控制法和开关控制法。

英文摘要：

A mathematic model of metabolic function for Heterotrophic bacteria is formulated based on the simplified ASM1 model, and the PWM control law is developed for the control of wastewater treatment process. Then the linear model is constructed by using optimal linearization technique and its LQR optimal control law is designed. For implementation, the PAM control law as well as its PWM control law, which is more suitable to solving the control of high-power motor systems, is formulated. Dynamic simulations are given and the simulation results show that the contaminant concentration of the outflow is far below the level of the national standard, and the control performance is better than conventional methods.

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期刊信息
  • 《中国物理B：英文版》
  • 中国科技核心期刊
  • 主管单位:中国科学院
  • 主办单位:中国物理学会和中国科学院物理研究所
  • 主编：欧阳钟灿
  • 地址：北京 中关村 中国科学院物理研究所内
  • 邮编：100080
  • 邮箱：
  • 电话：010-82649026 82649519
  • 国际标准刊号：ISSN：1674-1056
  • 国内统一刊号：ISSN：11-5639/O4
  • 邮发代号:
  • 获奖情况:
  • 国内外数据库收录:
  • 被引量:406