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ADRC fractional order pid CONTROLLER DESIGN OF HYPERSONIC FLIGHT VEHICLE

Transactions of Nanjing University of Aeronautics and Astronautics 2011年第3期28卷 240-245页

作者：秦昌茂齐乃明吕瑞朱凯哈尔滨工业大学航天工程与力学系

Active disturbance rejection controller（ADRC）uses tracking-differentiator（TD）to solve the contradiction between the overshoot and the rapid *** order proportion integral derivative（pid）controller improves the control quality and expands the stable region of the system *** fractional order（ADRFO）pid controller is designed by combining ADRC with the fractional order pid and applied to reentry attitude control of hypersonic *** results show that ADRFO pid controller has better control effect and greater stable region for the strong nonlinear model of hypersonic flight vehicle under the influence of external disturbance,and has stronger robustness against the perturbation in system parameters.

关键词： hypersonic flight vehicle active disturbance rejection controller(ADRC) fractional order pid D-decomposition method

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Application of Ideal Bode Transfer Function Tuning fractional order pid in Pressure Difference of Vertical Mill

Application of Ideal Bode Transfer Function Tuning Fractiona...

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第32届中国控制与决策会议

作者： Lei Zhang Qiang Zhang Wei Wang School of Electrical Engineering University of Jinan Department of Electrical Tancheng branch of linyi zhonglian cement co.LTD

Summing the grinding process of cement vertical mill,this paper analyzes the technology of this process,points out the key controlled variable in the process-the vertical mill pressure difference,and establishes the *** this paper,the vertical mill pressure difference is controlled by fractional order pid controller,which is based on the parameter optimization method with ideal bode transfer function as the reference model,because of its insensitivity to gain *** the integral order λ and differential μ are also adjustable,parameter optimization is more complex,a modified differential evolution algorithm is adopted to speed up the *** simulation results show that the control performance of fractional order pid controller is better than that of integer order controller,and the optimization speed of modified differential evolution algorithm is also improved.

关键词： vertical roller mill Bodes ideal transfer function fractional order pid differential evolution algorithm

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Application of fractional order pid Control in Photovoltaic Integrated Distribution Network

Application of Fractional order PID Control in Photovoltaic ...

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作者： Rongjiang Tang Hejin Xiong Zixi Zhang School of Automation Wuhan University of Technology

When photovoltaic power generation is connected to the grid,the inverter merges the energy of the photovoltaic panel into the grid in the form of power,and the controller is required to control the DC side voltage after comparing with the maximum power tracking voltage of the photovoltaic system and tracking the DC side *** on the application of traditional pid control in the photovoltaic power generation system,we use fractional order pid to compare with ***,simulation analysis verifies that fractional order pid has better dynamic and static characteristics,adaptability and robustness.

关键词： Photovoltaic grid connection fractional order pid Traditional pid Simulation

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Research on the Rotation Speed Response of a Turbofan Engine with Large-content-ratio Based on fractional order pid(FOpid)

Research on the Rotation Speed Response of a Turbofan Engine...

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第43届中国控制会议

作者： Jianglong Lin Jie Bai College of Safety and Scientific Engineering Civil Aviation University of China

pid control is commonly applied in the control system of aviation engines,but with the continuous deepening of the research on the control law,it has been found that the control accuracy of pid control has certain ***,this paper proposes a fractional-order proportional-integral-derivative(FOpid) controller to improve the control accuracy problem of pid *** this paper,a large-content-ratio turbofan engine model containing different degrees of degradation is firstly ***,the fractional-order pid parameters are tuned using an optimization algorithm in combination with the system performance indexes,which is finally applied to the established engine model and the engine response is specifically analyzed from the perspective of the time domain and the frequency *** simulation results show that the fractional-order pid control has a better control effect compared with the integer-order pid control,with high design flexibility,higher control accuracy,better relative stability,and stronger robustness.

关键词： fractional order pid large-content-ratio turbofan engine control accuracy rotational speed response degradation

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fractional order Control of LCL Hybrid Resonant Electric-field Coupled Power Transfer System

Fractional Order Control of LCL Hybrid Resonant Electric-fie...

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作者： Yun Tang Hejin Xiong Gaohan Zhou School of Automation Wuhan University of Technology

Based on the transmission stability of LCL composite resonant Electric-field Coupled Power Transfer（ECPT） system,according to the voltage gain topology circuit model,the closed-loop control system model is established,and the control method based on pid and fractional order pid is *** comparing the waveforms of the two control methods in the case of closed-loop,disturbance and impulse disturbance,a control method which makes the LCL type ECPT system have high response speed,strong robustness and strong anti-interference ability is obtained.

关键词： ECPT pid fractional order pid LCL

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Heuristic-Based Optimal Load Frequency Control with Offsite Backup Controllers in Interconnected Microgrids

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Energy Engineering 2024年第12期121卷 3735-3759页

作者： Aijia Ding Tingzhang Liu School of Mechatronic Engineering and Automation Shanghai UniversityShanghai200444China

The primary factor contributing to frequency instability in microgrids is the inherent intermittency of renewable energy *** paper introduces novel dual-backup controllers utilizing advanced fractional order proportional integral derivative(FOpid)controllers to enhance frequency and tie-line power stability in microgrids amid increasing renewable energy *** improve load frequency control,the proposed controllers are applied to a two-area interconnectedmicrogrid system incorporating diverse energy sources,such as wind turbines,photovoltaic cells,diesel generators,and various storage technologies.A novelmeta-heuristic algorithm is adopted to select the optimal parameters of the proposed *** efficacy of the advanced FOpid controllers is demonstrated through comparative analyses against traditional proportional integral derivative(pid)and FOpid controllers,showcasing superior performance inmanaging *** optimization algorithm is also evaluated against other artificial intelligent methods for parameter optimization,affirming the proposed solution’s *** robustness of the intelligent controllers against system uncertainties is further validated under extensive power disturbances,proving their capability to maintain grid *** dual-controller configuration ensures redundancy,allowing them to operate as mutual backups,enhancing system *** research underlines the importance of sophisticated control strategies for future-proofing microgrid operations against the backdrop of evolving energy landscapes.

关键词： fractional order pid interconnected microgrids load frequency control meta-heuristic algorithm parameter optimization

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