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var data={alert:{show:false,color:'success',text:'',timeout:0,},theme:{dark:false,},nav:{showDrawer:false,showTOC:true,tocPanel:0,tab:'account',post:{discussionId:22,currentPage:1,targetPage:1,total:1,anchor:0,goToOptions:{container:null,duration:0,easing:'easeInOutCubic',offset:-100,},worker:null,task:[],active:[],apiLock:[],originLike:new Map([]),},related:{block:1,}},search:{width:80,text:null,loading:false,},tags:[{id:12,url:'/t/3a182d1a62497c407e7433295d00',name:'Inport模块',color:'#E60000',icon:'mdi-import',},{id:27,url:'/t/0e08564662497c437b741f0c7c04',name:'Data Store Memory模块',color:'#FF6F00',icon:'mdi-database',},],posts:[{id:22,num:0,uid:1,content:'\u003Cp\u003E在 Simulink 中，将 Inport 模块或 Data Store Memory 模块与 \u003Ccode\u003ESimulink.Signal\u003C/code\u003E 对象关联，并生成全局变量以与底层代码交互，是实现模型与外部代码集成的常见方式。\u003C/p\u003E\u003Cp\u003E虽然两者都可用于生成全局变量，但在使用方式、作用域控制和代码生成方面存在显著差异。\u200B\u003C/p\u003E\u003Cp\u003E\u003Cbr\u003E\u003C/p\u003E\u003Ch2\u003EInport 模块映射到 Simulink.Signal 对象\u003C/h2\u003E\u003Ch3\u003E使用方式：\u003C/h3\u003E\u003Col\u003E\u003Cli data-list\u003D\"bullet\"\u003E\u003Cspan class\u003D\"ql-ui\" contenteditable\u003D\"false\"\u003E\u003C/span\u003E在模型中添加 Inport 模块，并在模型配置参数中设置其信号名称。\u003C/li\u003E\u003Cli data-list\u003D\"bullet\"\u003E\u003Cspan class\u003D\"ql-ui\" contenteditable\u003D\"false\"\u003E\u003C/span\u003E在 MATLAB 基础工作区或数据字典中创建一个同名的 \u003Ccode\u003ESimulink.Signal\u003C/code\u003E 对象，并设置其存储类（如 \u003Ccode\u003EExportedGlobal\u003C/code\u003E 或 \u003Ccode\u003EImportedExtern\u003C/code\u003E）。\u003C/li\u003E\u003Cli data-list\u003D\"bullet\"\u003E\u003Cspan class\u003D\"ql-ui\" contenteditable\u003D\"false\"\u003E\u003C/span\u003E在模型配置中启用“信号名称必须解析为 Simulink 信号对象”选项，以确保 Inport 模块的信号名称解析到相应的 \u003Ccode\u003ESimulink.Signal\u003C/code\u003E 对象。\u200B\u003C/li\u003E\u003C/ol\u003E\u003Ch3\u003E特点：\u003C/h3\u003E\u003Col\u003E\u003Cli data-list\u003D\"bullet\"\u003E\u003Cspan class\u003D\"ql-ui\" contenteditable\u003D\"false\"\u003E\u003C/span\u003E适用于模型的输入信号，通常用于与外部代码的数据交互。\u003C/li\u003E\u003Cli data-list\u003D\"bullet\"\u003E\u003Cspan class\u003D\"ql-ui\" contenteditable\u003D\"false\"\u003E\u003C/span\u003E生成代码时，Inport 模块对应的信号会作为全局变量出现，便于外部代码访问。\u003C/li\u003E\u003Cli data-list\u003D\"bullet\"\u003E\u003Cspan class\u003D\"ql-ui\" contenteditable\u003D\"false\"\u003E\u003C/span\u003E适合用于模型的顶层输入接口，便于与外部系统集成。\u200B\u003C/li\u003E\u003C/ol\u003E\u003Cp\u003E\u003Cbr\u003E\u003C/p\u003E\u003Ch2\u003EData Store Memory 模块与 Simulink.Signal 对象关联\u003C/h2\u003E\u003Ch3\u003E使用方式：\u003C/h3\u003E\u003Col\u003E\u003Cli data-list\u003D\"bullet\"\u003E\u003Cspan class\u003D\"ql-ui\" contenteditable\u003D\"false\"\u003E\u003C/span\u003E在模型中添加 Data Store Memory 模块，并指定数据存储名称。\u003C/li\u003E\u003Cli data-list\u003D\"bullet\"\u003E\u003Cspan class\u003D\"ql-ui\" contenteditable\u003D\"false\"\u003E\u003C/span\u003E在 MATLAB 基础工作区或数据字典中创建一个同名的 \u003Ccode\u003ESimulink.Signal\u003C/code\u003E 对象，并设置其存储类。\u003C/li\u003E\u003Cli data-list\u003D\"bullet\"\u003E\u003Cspan class\u003D\"ql-ui\" contenteditable\u003D\"false\"\u003E\u003C/span\u003E在 Data Store Memory 模块的参数中启用“数据存储名称必须解析为 Simulink 信号对象”选项，以确保名称解析到相应的 \u003Ccode\u003ESimulink.Signal\u003C/code\u003E 对象。\u003C/li\u003E\u003Cli data-list\u003D\"bullet\"\u003E\u003Cspan class\u003D\"ql-ui\" contenteditable\u003D\"false\"\u003E\u003C/span\u003E使用 Data Store Read 和 Data Store Write 模块在模型中读取和写入该数据存储。\u200B\u003C/li\u003E\u003C/ol\u003E\u003Ch3\u003E特点：\u003C/h3\u003E\u003Col\u003E\u003Cli data-list\u003D\"bullet\"\u003E\u003Cspan class\u003D\"ql-ui\" contenteditable\u003D\"false\"\u003E\u003C/span\u003E适用于模型内部的全局数据共享，允许多个模块访问同一数据存储。\u003C/li\u003E\u003Cli data-list\u003D\"bullet\"\u003E\u003Cspan class\u003D\"ql-ui\" contenteditable\u003D\"false\"\u003E\u003C/span\u003E可在模型的不同层级中共享数据，支持更复杂的数据交互需求。\u003C/li\u003E\u003Cli data-list\u003D\"bullet\"\u003E\u003Cspan class\u003D\"ql-ui\" contenteditable\u003D\"false\"\u003E\u003C/span\u003E生成代码时，数据存储会作为全局变量出现，便于外部代码访问或多个模型实例共享数据。\u003C/li\u003E\u003C/ol\u003E\u003Cp\u003E\u003Cbr\u003E\u003C/p\u003E\u003Ch2\u003EData Store Memory模块的优点\u003C/h2\u003E\u003Ch3\u003E灵活性高\u003C/h3\u003E\u003Cp\u003E模型的不同子系统可以通过名称访问相同的 \u003Ccode\u003EData Store Memory\u003C/code\u003E，不需要通过显式信号线连接\u003C/p\u003E\u003Ch3\u003E便于和手写代码集成\u003C/h3\u003E\u003Cp\u003E很多传统项目都有一定比例的手写代码，Data Store接口与Legacy C代码集成简单\u003C/p\u003E\u003Cp\u003E\u003Cbr\u003E\u003C/p\u003E\u003Ch2\u003EData Store Memory模块的缺点\u003C/h2\u003E\u003Ch3\u003E数据流难以追踪\u003C/h3\u003E\u003Cp\u003E使用 Data Store 结构后，变量的读写关系不是通过线连接，而是通过“名字”隐式连接，这让模型的 数据依赖关系不透明。\u003C/p\u003E\u003Ch3\u003E不利于代码生成和可维护性\u003C/h3\u003E\u003Cp\u003E在代码生成和模型重构方面，全局数据访问可能带来隐式副作用\u003C/p\u003E\u003Ch3\u003E不易验证与测试\u003C/h3\u003E\u003Cp\u003E尤其是 \u003Ca href\u003D\"https://simulink.wiki/t/15353d2162497c417b74243d711b\" rel\u003D\"nofollow\"\u003EModel-Based Design\u003C/a\u003E 中提倡“可追踪、可测试”的架构。\u003C/p\u003E',ipRegion:'',updatedByUid:0,createdAt:'2025-04-15 21:06:26',updatedAt:'2025-04-15 21:06:26',mentionNum:0,mentionedBy:[],mentionUsers:[],likeUsers:[],},],usersMap:new Map([[1,{uid:1,url:'/u/5b180a1c62497c417c6940494325070c',avatar:'/a/5b180a1c62497c417c6940494325070c',username:'Simulink',}],]),related:[{title:'Simulink Data Store Memory搭配Data Store Read和Data Store Write使用教程',url:'/d/1a3a282b62497c417c69415404600778170c541d',},{title:'Simulink Inport代码生成，Simulink Inport模块怎么设置全局变量',url:'/d/5a663b2462497c417c6941540463017803175057',},{title:'Simulink Inport复用，Simulink Inport模块端口复用',url:'/d/171a244562497c417c69415404630078361e5c34',},{title:'Simulink Inport模块无输入，Simulink Inport连接输入',url:'/d/3c60203d62497c417c694154046307781d147125',},{title:'Simulink Inport模块输入信号，Simulink Inport如何用，Simulink Inport怎么赋值',url:'/d/38222a2262497c417c69415404630478382f5f0f',},{title:'Simulink Inport和Input区别',url:'/d/030b3b3c62497c417c69415404620d783f0e610b',},{title:'Simulink 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