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首页> 外文期刊>The Korean journal of chemical engineering >Smith predictor based fractional-order PI control for time-delay processes
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Smith predictor based fractional-order PI control for time-delay processes

机译：基于Smith预估因子的分数阶PI控制用于时滞过程

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摘要

A new fractional-order proportional-integral controller embedded in a Smith predictor is systematically proposed based on fractional calculus and Bode's ideal transfer function. The analytical tuning rules are first derived by using the frequency domain for a first-order-plus-dead-time process model, and then are easily applied to various dynamics, including both the integer-order and fractional-order dynamic processes. The proposed method consistently affords superior closed-loop performance for both servo and regulatory problems, since the design scheme is simple, straightforward, and can be easily implemented in the process industry. A variety of examples are employed to illustrate the simplicity, flexibility, and effectiveness of the proposed SP-FOPI controller in comparison with other reported controllers in terms of minimum the integral absolute error with a constraint on the maximum sensitivity value.
机译：基于分数演算和波特的理想传递函数，系统地提出了一种嵌入在史密斯预测器中的新型分数阶比例积分控制器。首先使用频域为一阶加死时间过程模型导出解析调整规则，然后将其轻松应用于各种动力学，包括整数阶和分数阶动态过程。由于设计方案简单，直接，并且可以在过程工业中轻松实现，因此所提出的方法始终为伺服和调节问题提供出色的闭环性能。在最小积分绝对误差和最大灵敏度值的约束方面，采用了许多示例来说明所提出的SP-FOPI控制器与其他报告的控制器相比的简单性，灵活性和有效性。

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