Self-triggered Pitch Control for Wind Turbines Based on Semi-Markov

HOU Manxi; WANG Ze; WU Jianrong; ZHAO Ya; LIU Weiliang; LIU Changliang; LIU Shuai; ZHANG Qiliang

doi:10.19805/j.cnki.jcspe.2026.250116

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Self-triggered Pitch Control for Wind Turbines Based on Semi-Markov

更新时间：2026-09-15

- Self-triggered Pitch Control for Wind Turbines Based on Semi-Markov
- Chinese Journal of Power Engineering Vol. 46, Issue 9, Pages: 143-151(2026)
- 作者机构：
  
  1. 华北电力大学自动化系,河北,保定,071003
  2. 华北电力大学控制与计算机工程学院,北京,102206
  3. 保定市综合能源系统状态检测与优化调控重点实验室,河北,保定,071003
- 作者简介：
- 基金信息：
- DOI：10.19805/j.cnki.jcspe.2026.250116
  CLC： TP391.9
- Published：2026
- 稿件说明：
移动端阅览
侯满禧, 王则, 武建荣, 赵亚, 刘卫亮, 刘长良, 刘帅, 张启亮. 基于半马尔可夫的风电机组自触发变桨控制[J]. 动力工程学报, 2026, 46(9): 143-151.
侯满禧, 王则, 武建荣, 赵亚, 刘卫亮, 刘长良, 刘帅, 张启亮. 基于半马尔可夫的风电机组自触发变桨控制[J]. 动力工程学报, 2026, 46(9): 143-151. DOI： 10.19805/j.cnki.jcspe.2026.250116.

DOI： 10.19805/j.cnki.jcspe.2026.250116

摘要

针对随机风速导致的风电机组变桨控制器更新频次过高的问题，提出了基于半马尔可夫过程的风电机组自触发变桨控制策略。首先，将随机风速中的稳态部分按照均值和标准差进行区间划分并确立状态；其次，基于半马尔可夫过程刻画风速状态的变化特性，并且建立风电机组的半马尔可夫模型；然后，引入自触发机制，构建风电机组的自触发变桨控制策略，提出了自触发变桨控制器的设计方法；最后，通过5 MW风电机组仿真实验验证了所提方法的有效性。结果表明：与传统PID控制相比，自触发变桨控制策略可以在保持输出功率稳定的同时最大限度地减少控制器的更新频次。

Abstract

To address the issue of excessive update frequency in wind turbine pitch controllers caused by stochastic wind speeds

a self-triggered pitch control strategy for wind turbines based on the semi-Markov process was proposed. Firstly

the steady-state component of random wind speeds was partitioned into intervals based on mean value and standard deviation

and the states were established. Secondly

the variation characteristics of wind speed states were modeled using the semi-Markov process

and a semi-Markov model for wind turbines was developed. Then

a self-triggered mechanism was introduced to construct the self-triggered pitch control strategy and propose a design method for the self-triggered pitch controller of wind turbines. Finally

the effectiveness of the proposed method was verified by simulation experiments on a 5 MW wind turbine. Results show that compared to traditional PID control

the self-triggered pitch control strategy can maintain stable output power while minimizing the controller update frequency.

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references

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