基于 LabVIEW 的自适应振动主动控制仿真与实验研究
目 录
第 1 章 绪论 ····························································································· 1
1.1 论文背景 ································································ ·························· 1
1.2 振动主动控制技术的研究成果及发展趋势 ················································ 2
1.3 LMS 算法 ·························································································· 4
1.4 半物理仿真 ······················································································· 5
1.5 基于 LabVIEW 平台的主动控制研究现状 ················································· 6
1.6 本文研究的意义及主要内容 ··································································· 9
第 2 章 基于 MATLAB 与 VeriStand 的振动主动控制仿真 ································ ···· 11
2.1 NI VeriStand 概述 ································ ··············································· 11
2.1.1NI VeriStand 及其在实时测试中的应用 ················································ 11
2.1.2 运用 NI VeriStand 来开发应用程序 ···················································· 11
2.1.3 自定义 NI VeriStand ······································································· 15
2.2 LMS 自适应算法 ································ ················································ 15
2.2.1 自适应横向滤波器 ································ ········································ 15
2.2.2 标准 LMS 算法 ············································································· 18
2.3 创建并配置 LMS 算法仿真模型 ····························································· 21
2.3.1 运用 Simulink 创建在 VeriStand 中使用的软件模型 ································ 21
2.3.2 将编译后的 Simulink 模型导入 NI VeriStand 并进行配置 ························ 26
2.4 进行 LMS 算法仿真 ································ ············································ 30
2.4.1 不同频率下的振动主动控制仿真 ······················································ 30
2.4.2 四通道下的振动主动控制仿真 ························································· 31
2.5 本章小结 ························································································· 33
第 3 章 运用 LabVIEW 进行振动主动控制的界面设计 ········································ 35
3.1 LabVIEW 简介 ·················································································· 35
3.2 界面设计的需求和规划 ········································································ 36
3.2.1 LabVIEW 界面设计的需求和规划 ····················································· 36
3.2.2 振动主动控制系统的界面设计 ························································· 36
3.3 基于队列和事件结构的生产者/消费者结构 ································ ··············· 39
3.3.1 常见的循环结构及其改进形式 ························································· 39
