Research on Hydraulic Variable Pitch System Based on Fuzzy PI and Kalman Filter

陈爽; 崔新维; 李春兰

doi:10.16056/j.1005-7676.2017.02.011

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Research on Hydraulic Variable Pitch System Based on Fuzzy PI and Kalman Filter

更新时间：2026-01-19

- Research on Hydraulic Variable Pitch System Based on Fuzzy PI and Kalman Filter
- Issue 2, Pages: 47-51(2017)
- 作者机构：
  
  1. 新疆农业大学机械交通学院
  2. 北京三力新能科技有限公司
- 作者简介：
- 基金信息：
- DOI：10.16056/j.1005-7676.2017.02.011
  CLC： TM315
- Published：2017
- 稿件说明：
移动端阅览
[1]陈爽,崔新维,李春兰.基于模糊PI与卡尔曼滤波器控制的液压变桨系统研究[J].能源研究与管理,2017(02):47-51.

陈爽, 崔新维, 李春兰. Research on Hydraulic Variable Pitch System Based on Fuzzy PI and Kalman Filter[J]. 2017, (2): 47-51.
[1]陈爽,崔新维,李春兰.基于模糊PI与卡尔曼滤波器控制的液压变桨系统研究[J].能源研究与管理,2017(02):47-51. DOI： 10.16056/j.1005-7676.2017.02.011.

陈爽, 崔新维, 李春兰. Research on Hydraulic Variable Pitch System Based on Fuzzy PI and Kalman Filter[J]. 2017, (2): 47-51. DOI： 10.16056/j.1005-7676.2017.02.011.

摘要

由于液压变桨系具有非线性、时变、迟滞等特点

在传统PI控制的基础上

提出了模糊PI液压变桨距控制的方法。针对液压变桨系统控制信号中存在随机干扰信号

导致液压变桨系统控制精度不高的问题

提出了一种基于Simulink的无迹卡尔曼滤波器的方法进行滤波。对2 MW风电机组液压变桨系统进行仿真

仿真结果表明:通过模糊PI和卡尔曼滤波算法联合控制修正的信号能很好的跟踪实际信号的变化趋势

提高了液压变桨系统的精度和响应时间

进一步优化了液压变桨控制系统的性能。

Abstract

Due to the characteristics of nonlinear

time varying and hysteresis of hydraulic variable pitch system

a fuzzy PI control way is proposed based on the traditional PI control in hydraulic variable pitch control system. According to the pitch control system with hydraulic variable random disturbance signal

resulting in low control precision of hydraulic variable pitch system

a method of unscented Kalman filter based on Simulink is presented.The 2 MW wind turbine hydraulic variable pitch system is simulated

the simulation results show that the fuzzy PI algorithm and Kalman filter combined control correction signal can track the actual trend of signal and improve the hydraulic pitch control system precision and response time

and further optimize the performance of hydraulic pitch control system.

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