基于Lyapunov理论的被电液负载模拟器变增益滑模控制  

Variable Gain Sliding Mode Control of Electro-hydraulic Load Simulator Based on Lyapunov Theory

作　　者：张瑞林 Zhang Ruilin(Zhumadian Vocational and Technical College,Zhumadian Henan 463000)

机构地区：[1]驻马店职业技术学院,河南驻马店463000

出　　处：《现代工业经济和信息化》2021年第5期162-164,共3页Modern Industrial Economy and Informationization

摘　　要：提出一种基于Lyapunov理论的被电液负载模拟器变增益滑模控制方法。首先,进行模糊化处理,也就是在模糊控制的实现中,对精确量进行转换,使其变成模糊量。对知识库进行构建,构建的知识库包括规则库和数据库。通过最大隶属度法进行解模糊化处理,通过可变隶属度函数对被电液负载模拟器的变增益动态品质进行改善,对抖振进行更好的抑制。其次,基于Lyapunov理论对被电液负载模拟器变增益滑模模糊控制器进行设计。通过被电液负载模拟器变增益滑模模糊控制器实现被电液负载模拟器变增益滑模控制,通过对比实验证明该方法的滑动模态稳定性高于现有方法,实现了性能提升。In this paper,a variable gain sliding mode control method for electro-hydraulic load simulator based on Lyapunov theory is proposed.First,of all fuzzy processing is carried out,that is in the realization of fuzzy control,the precise quantity is converted into fuzzy quantity.The knowledge base is constructed,and the constructed knowledge base includes a rule base and a database.The maximum membership method is used to solve the fuzzy problem,the variable gain dynamic quality of the electro-hydraulic load simulator is improved by variable membership function,better suppression of chattering.Secondly,based on Lyapunov theory,the variable gain sliding mode fuzzy controller of electro-hydraulic load simulator is designed.The variable gain sliding mode fuzzy controller of the electro-hydraulic load simulator is used to realize the variable gain sliding mode control of the electro-hydraulic load simulator,the sliding mode stability of this method is higher than that of the existing methods,the performance is improved.

关 键 词：LYAPUNOV理论 被电液负载模拟器 变增益滑模控制 

分 类 号：TP273.2[自动化与计算机技术—检测技术与自动化装置]