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Model development of UCG and calorific value maintenance via sliding mode control

机译:通过滑动模式控制模型开发UCG和热值维护

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The design of underground coal gasification (UCG) process is a difficult task, especially if its performance needs to be compared with surface gasification, because in UCG there is a lack of direct control to many important parameters. In this work a nonlinear time domain model of UCG is formulated by incorporating some assumptions in already existing models of [1] and [2]. The input of the model is molar flow rate of inlet gas (mixture of Air and steam), and output is the calorific value of exit gas. In order to keep the calorific value at a desired value in the presence of external disturbance, the model is used in a closed loop configuration with a sliding mode controller (SMC).
机译:地下煤气化(UCG)过程的设计是一项艰巨的任务,特别是如果需要将其性能与表面气化进行比较,因为在UCG中,缺乏直接控制到许多重要参数。 在这项工作中,通过在已经存在的[1]和[2]的现有模型中结合了一些假设来制定UCG的非线性时域模型。 模型的输入是入口气体的摩尔流速(空气和蒸汽的混合物),输出是出口气体的热值。 为了在存在外部干扰的情况下以所需值保持热值,该模型用于具有滑动模式控制器(SMC)的闭环配置。

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