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Fuzzy Logic System for Intermixed Biogas and Photovoltaics Measurement and Control

机译：沼气与光伏混合测控的模糊逻辑系统

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摘要

This study develops a new integrated measurement and control system for intermixed biogas and photovoltaic systems to achieve safe and optimal energy usage. Literature and field studies show that existing control methods on small-to medium-scale systems fall short of comprehensive system optimization and fault diagnosis, hence the need to revisit these control methods. The control strategy developed in this study is intelligent as it is wholly based on fuzzy logic algorithms. Fuzzy logic controllers due to their superior nonlinear problem solving capabilities to classical controllers considerably simplify controller design. The mathematical models that define classical controllers are difficult or impossible to realize in biogas and photovoltaic generation process. A microcontroller centered fuzzy logic measurement and control embedded system is designed and developed on the existing hybrid biogas and photovoltaic installations. The designed system is able to accurately predict digester stability, quantify biogas output, and carry out biogas fault detection and control. Optimized battery charging and photovoltaic fault detection and control are also successfully implemented. The system is able to optimize the operation and performance of biogas and photovoltaic energy generation.
机译：这项研究为混合的沼气和光伏系统开发了一种新的集成测量和控制系统，以实现安全和最佳的能源使用。文献和现场研究表明，现有的中小型系统控制方法无法进行全面的系统优化和故障诊断，因此有必要重新审视这些控制方法。本研究开发的控制策略是智能的，因为它完全基于模糊逻辑算法。模糊逻辑控制器由于具有优于传统控制器的出色的非线性问题解决能力，因此大大简化了控制器设计。定义经典控制器的数学模型很难或不可能在沼气和光伏发电过程中实现。以微控制器为中心的模糊逻辑测量和控制嵌入式系统是在现有的混合沼气和光伏装置上设计和开发的。设计的系统能够准确预测沼气池的稳定性，量化沼气输出，并进行沼气故障检测和控制。优化的电池充电以及光伏故障检测和控制也已成功实施。该系统能够优化沼气和光伏发电的运行和性能。

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  • 来源
    《Mathematical Problems in Engineering》 |2018年第3期|5412062.1-5412062.18|共18页
  • 作者

    Matindife Liston; Wang Zenghui; Sun Yanxia;

  • 作者单位

    Univ South Africa, Dept Elect & Min Engn, ZA-1710 Florida, South Africa;

    Univ South Africa, Dept Elect & Min Engn, ZA-1710 Florida, South Africa;

    Univ Johannesburg, Dept Elect & Elect Engn Sci, ZA-2006 Auckland Pk, South Africa;

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