基于一致性算法的多模式搅拌器微波加热系统温度均匀性优化
作者:
作者单位:

1. 昆明理工大学 信息工程与自动化学院,昆明 650500;2. 昆明理工大学 云南省人工智能重点实验室, 昆明 650500;3. 昆明理工大学 非常规冶金教育部重点实验室,昆明 650093

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E-mail: ybiaocn@163.com.

中图分类号:

TP273

基金项目:

国家自然科学基金项目(61863020).


Temperature uniformity optimization of multi-mode stirrer microwave heating system based on consensus algorithm
Author:
Affiliation:

1. Faculty of Information Engineering and Automation,Kunming University of Science and Technology,Kunming 650500,China;2. Yunnan Key Laboratory of Artificial Intelligence,Kunming University of Science and Technology,Kunming 650500,China;3. Key Laboratory of Unconventional Metallurgy of Ministry of Education,Kunming University of Science and Technology,Kunming 650093,China

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    摘要:

    微波加热的内部传热方式及热点的随机分布特性导致采用常规测量方法难以获得温度的准确信息,在改进机械设计的研究中,螺旋辐射单模式搅拌器微波加热系统能够改善温度分布的均匀性.在单模式搅拌器的基础上,进一步探索具有多个模式搅拌器的微波加热系统的温度均匀性及其计算问题;同时,由于微波加热过程中多物理场的深度耦合及边界条件的时变特性,如何协同模式搅拌器的状态特征与有效计算温度场,开展温度均匀性的优化处理成为关注的重点.为此,应用一致性算法表达模式搅拌器的状态信息,对温度场分布的均匀性进行优化计算.一方面通过一致性算法将加热空间电磁场边界条件的时变性用编队队形表征,组合模式搅拌器的位置状态信息表达编队队形的变换;另一方面由整型变量与连续型变量混合的优化问题构建温度有限元模型,并对温度场的均匀分布优化解开展有效计算.数值计算结果验证了所提出一致性算法及其计算方法对微波加热温度均匀性的优化是可行和高效的.

    Abstract:

    The internal heat transfer mode and the random distribution of hot spots of microwave heating make it difficult to obtain the accurate temperature by conventional measurement. According to the improvement of mechanical design research, it can be found that the microwave heating system with rotary radiation single-mode stirrers can improve the uniformity of temperature distribution at present. Based on the single-mode stirrers, it is necessary to explore furtherly the temperature uniformity and its calculation of microwave heating system with multiple-mode stirrers in this paper. At the same time, due to the deep coupling of the multiple physical field and the time-varying characteristics of boundary conditions in the microwave heating system, the focuses have been on how to coordinate the state characteristics of the mode stirrers and effectively calculate the temperature field to carry out the optimization of temperature uniformity. The consensus algorithm has been used to describe the state information of the mode stirrers, and the optimal value of the uniform distribution of the temperature field can be effectively worked out. On the one hand, the time-varying field boundary conditions of the electromagnetic in heated space are characterized by formation, and the transformation formation is expressed by the combination of position and state information of mode stirrers. On the other hand, the finite element model of the temperature is constructed by the optimization problem of mixing integer and continuous variables, and the optimal solution of the uniform distribution of the temperature field is calculated effectively. The results of numerical calculation show that the proposed consensus algorithm and its calculation method are feasible, efficient and accurate to optimize the uniformity of temperature distribution of microwave heating.

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杨彪,刘志邦,李鑫培,等.基于一致性算法的多模式搅拌器微波加热系统温度均匀性优化[J].控制与决策,2021,36(12):2901-2909

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  • 在线发布日期: 2021-11-18
  • 出版日期: 2021-12-20