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首页> 外文会议>International Conference on Instrumentation Measurement, Computer, Communication and Control >Parameter Optimization of Robust Non-fragile Fractional Order PID Controller for Pump Turbine Governing System
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Parameter Optimization of Robust Non-fragile Fractional Order PID Controller for Pump Turbine Governing System

机译：汽轮机调节系统鲁棒非脆弱分数阶PID控制器的参数优化

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摘要

Due to the reversible properties of pump turbine, its operation along the "S" shape curve can lead to unstable operation, like remarkable unit frequency oscillation, under unload condition. To solve the problem, a robust non-fragile fractional order PID controller (FOPID) of pump turbine governing system is proposed in this paper. Furthermore, a combination of bacterial foraging algorithm (BFA) and multi-scenario functions are employed to select parameters for the novel FOPID controller, in which the multi-scenario functions are composed by the time domain integral performance indexes and the overshoot of system output. Simulation tests under unload running condition are used to demonstrate the feasibility and robustness of the proposed controller. The analysis results indicate that the proposed FOPID controller using BFA represents a sound improvement over the original method, and is highly practical.
机译：由于水泵水轮机具有可逆性，其在“ S”形曲线上的运行会导致在空载条件下运行不稳定，例如明显的单位频率振荡。针对这一问题，提出了一种鲁棒的非脆弱分数阶PID控制器的水泵水轮机调节系统。此外，结合细菌觅食算法（BFA）和多场景功能来选择新型FOPID控制器的参数，其中多场景功能由时域积分性能指标和系统输出过冲组成。在卸载运行条件下进行仿真测试，以证明所提出控制器的可行性和鲁棒性。分析结果表明，所提出的使用BFA的FOPID控制器代表了对原始方法的良好改进，并且具有很高的实用性。

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