This paper introduces a robust control approach based on the Sliding Mode Control (SMC) strategy for the Anaerobic Digestion (AD) process. The Anaerobic Digestion Model N°1 (ADM1), the most detailed and comprehensive model in this field, is used as a virtual AD plant. The proposed control scheme is derived from a reduced model. This control law utilizes the state variables of the reduced AM2HN model along with the stoichiometric and kinetic parameters. An interface block between the ADM1 and AM2HN state variables has been designed in a closed-loop configuration. The performance of SMC has been enhanced through the use of a low-pass filter, which completely eliminates chattering, providing smooth, chatter-free dilution rates while preserving the rapid convergence to target methane production (within less than 5 days) even in a noisy environment.

中文翻译：

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玉米青贮饲料厌氧消化产生稳健的甲烷：使用滑模控制策略和厌氧消化模型 N°01 进行饲喂控制


本文介绍了一种基于滑模控制 （SMC） 策略的厌氧消化 （AD） 过程的稳健控制方法。厌氧消化模型 N°1 （ADM1） 是该领域最详细、最全面的模型，被用作虚拟 AD 工厂。所提出的控制方案源自一个简化模型。该控制律利用了简化的 AM2HN 模型的状态变量以及化学计量和动力学参数。ADM1 和 AM2HN 状态变量之间的接口模块设计为闭环配置。通过使用低通过滤器增强了 SMC 的性能，该过滤器完全消除了颤振，提供平稳、无颤振的稀释速率，同时即使在嘈杂的环境中也能保持与目标甲烷生产的快速收敛（在不到 5 天内）。