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论文:2018,Vol:36,Issue(3):439-447 |
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引用本文： |
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王勇, 李聪, 黄汉桥, 周欢. 基于自适应高斯云变换的模糊控制器隶属度函数选取[J]. 西北工业大学学报 |
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Wang Yong, Li Cong, Huang Hanqiao, Zhou Huan. Selection of Fuzzy Controller Membership Functions Based on Adaptive Gaussian Cloud Transform[J]. Northwestern polytechnical university |
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| 基于自适应高斯云变换的模糊控制器隶属度函数选取 |
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| 王勇1, 李聪1, 黄汉桥1,2, 周欢1 |
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1. 空军工程大学 航空航天工程学院, 陕西 西安 710038;
2. 西北工业大学, 陕西 西安 710072 |
| 摘要: |
| 针对现阶段模糊控制器中隶属度函数选取的局限性，利用自适应高斯云变换算法在概念含混度阈值的引导下对工程样本数据进行概念层次划分，根据最终所得的高斯云分布情况确定出隶属度函数的数目、形状及覆盖范围。为了验证自适应高斯云变换算法提取的隶属度函数的合理性，构建了无人机六自由度模型，搭建了基于simulink仿真平台的无人机俯仰角模糊控制器用于仿真验证。数值仿真结果表明嵌套有自适应高斯云变换算法所确定的隶属度函数的无人机俯仰角模糊控制器可有效实现俯仰角的控制，同时具有良好的动态响应特性。 |
| 关键词:
隶属度函数
自适应
高斯云变换
无人机
模糊控制器
俯仰角
simulink
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| Selection of Fuzzy Controller Membership Functions Based on Adaptive Gaussian Cloud Transform |
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| Wang Yong1, Li Cong1, Huang Hanqiao1,2, Zhou Huan1 |
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1. Aeronautics and Astronautics Engineering College, Air Force Engineering University, Xi'an 710038, China;
2. Northwestern Polytechnic University, Xi'an 710038, China |
| Abstract: |
| Aiming at the boundedness of existing methods of selecting membership functions, an adaptive Gaussian cloud transform algorithm which is guided by the threshold values of hybridization degree is proposed to construct concept hierarchy from original sample data, and then the number, shape and coverage area of membership functions can be derived from the distribution of Gaussian cloud. To test and verify the effectiveness of membership function that is extracted based on adaptive Gaussian cloud transform algorithm, a six-degree-of freedom model of unmanned aerial vehicles(UAV) is constructed, and a fuzzy controller of pitching angle is established with the platform of Simulink. The simulation results show that the fuzzy controller which includes membership functions derived from the distribution of Gaussian cloud transform can achieve perfect control performance of pitching angle and meanwhile obtain good dynamic response characteristics. |
| Key words:
membership functions
adaptive Gaussian cloud transform
unmanned aerial vehicles(UAV)
fuzzy controller
concept hierarchy
sample data
six-degree-of freedom model
pitching angle
simulink
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| 收稿日期: 2017-05-08
修回日期:
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| DOI: |
| 基金项目: 国家自然科学基金（61601505）与航空科学基金（20155196022）资助 |
| 通讯作者: 李聪(1992-),空军工程大学博士研究生,主要从事无人飞行器作战系统与技术研究。邮箱:lealicong@163.com
Email：lealicong@163.com |
| 作者简介: 王勇(1973-),空军工程大学教授,主要从事机载武器系统控制、自主攻击制导等研究。
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| 相关功能 |
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| 作者相关文章 |
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| 王勇 在本刊中的所有文章 |
| 李聪 在本刊中的所有文章 |
| 黄汉桥 在本刊中的所有文章 |
| 周欢 在本刊中的所有文章 |
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