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Multi-stage fuzzy PID power system automatic generation controller in deregulated environments

机译：管制环境中的多级模糊PID电力系统自动发电控制器

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摘要

In this paper, a multi-stage fuzzy proportional integral derivative (PID) type controller is proposed to solve the automatic generation control (AGC) problem in a deregulated power system that operates under deregulation based on the bilateral policy scheme. In each control area, the effects of the possible contracts are treated as a set of new input signals in a modified traditional dynamical model. The multi-stage controller uses the fuzzy switch to blend a proportional derivative (PD) fuzzy logic controller with an integral fuzzy logic input. The proposed controller operates on fuzzy values passing the consequence of a prior stage on to the next stage as fact. The salient advantage of this strategy is its high insensitivity to large load changes and disturbances in the presence of plant parameter variations and system nonlinearities. This newly developed strategy leads to a flexible controller with simple structure that is easy to implement, and therefore, it can be useful for the real world power systems. The proposed method is tested on a three area power system with different contracted scenarios under various operating conditions. The results of the proposed controller are compared with those of the classical fuzzy PID type controller and classical PID controller through some performance indices to illustrate its robust performance.
机译：本文提出了一种多级模糊比例积分微分（PID）型控制器，以解决基于双边政策方案的在放松管制下运行的解除管制的电力系统中的自动发电控制（AGC）问题。在每个控制区域中，可能的合同的影响在修改后的传统动力学模型中被视为一组新的输入信号。多级控制器使用模糊开关将比例微分（PD）模糊逻辑控制器与积分模糊逻辑输入混合在一起。所提出的控制器对模糊值进行操作，实际上将前一级的结果传递到了下一级。该策略的显着优势是在存在工厂参数变化和系统非线性的情况下，它对较大的负载变化和干扰高度不敏感。这种新开发的策略导致了一种结构简单，易于实现的灵活控制器，因此对于现实世界的电力系统很有用。所提出的方法在三区域电力系统上在各种工况下具有不同合同情景的情况下进行了测试。通过一些性能指标将所提出的控制器的结果与经典模糊PID型控制器和经典PID控制器的结果进行比较，以说明其鲁棒性能。

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