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<script src="/template/lanyuyb/skin/js/products_pic/jqzoom.pack.1.0.1.js" type="text/javascript"></script> <script src="/template/lanyuyb/skin/js/products_pic/jquery.jcarousel.pack.js" type="text/javascript"></script> <link rel="stylesheet" type="text/css" href="/template/lanyuyb/skin/js/products_pic/jquery.jcarousel.css" /> <link rel="stylesheet" type="text/css" href="/template/lanyuyb/skin/js/products_pic/skin.css" /> <link rel="stylesheet" type="text/css" href="/template/lanyuyb/skin/js/products_pic/jqzoom.css" /> <style type = "text/css"> #pro_view {margin:12px;} #pro_infor {} .big_pic { float:left; width:48%; overflow:hidden; text-align:center; display:block; position:relative; line-height:1em; } #image_box { margin:0 auto; /*非IE的主流浏览器识别的垂直居中的方法*/ display: table-cell; vertical-align:middle; /*设置水平居中*/ text-align:center; /* 针对IE的Hack */ *display: block; *font-size: 139px;/*约为高度的0.873，200*0.873 约为175*/ *font-family:Arial;/*防止非utf-8引起的hack失效问题，如gbk编码*/ padding:5px; border:1px solid 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onerror='this.src="/images/nopic.gif"' alt="微信图片_20230221142437.jpg" id="current_img"></a> </div><div id="image_box"> <a href="/upload/images/202302/16771227805115.jpg" class="jqzoom" title=""><img src="/upload/images/202302/16771227805115.jpg" onerror='this.src="/images/nopic.gif"' alt="微信图片_20230221142441.jpg" id="current_img"></a> </div><div id="image_box"> <a href="/upload/images/202302/16771227801250.jpg" class="jqzoom" title=""><img src="/upload/images/202302/16771227801250.jpg" onerror='this.src="/images/nopic.gif"' alt="微信图片_20230221142444.jpg" id="current_img"></a> </div><div id="image_box"> <a href="/upload/images/202302/16771227801070.jpg" class="jqzoom" title=""><img src="/upload/images/202302/16771227801070.jpg" onerror='this.src="/images/nopic.gif"' alt="微信图片_20230221142447.jpg" id="current_img"></a> </div><div class="blank10"></div> </div> <!-- 右侧说明 --> <div id="pro_baseinfo"> <ul> <li><strong>产品名称：</strong>LDTQ-3122/GS</li> <li><strong>添加时间：</strong>2023-02-23 11:25:17</li> <li><strong>推荐度：</strong><img src="/images/admin/star2.gif" border="0" /><img src="/images/admin/star2.gif" border="0" /><img src="/images/admin/star2.gif" border="0" /><img src="/images/admin/star2.gif" border="0" /><img src="/images/admin/star2.gif" border="0" /></li> <br/> <li></li> </ul> </div> </div> </div> <div class="blank30"></div> <div class="p_info">介绍：</div> <div class="blank30"></div> <!-- 内容说明 --> <p><span style="font-size:15px;font-family:宋体">基本的控制算法有：程序控制和顺序控制、</span><span style="font-size:15px">PID</span><span style="font-size:15px;font-family:宋体">控制、直接数字控制、***优控制、模糊控制、神经网络控制。其中</span><span style="font-size:15px">PID</span><span style="font-size:15px;font-family:宋体">控制***为成熟，控制结构简单，参数容易控制，且不必求出被控对象的数字模型就可进行调节</span><span style="font-size:15px">[7]</span><span style="font-size:15px;font-family:宋体">。</span></p><p><span style="font-size:15px">PID</span><span style="font-size:15px;font-family:宋体">控制算法是计算机控制的一个广泛应用的基本算法，而</span><span style="font-size:15px">PID</span><span style="font-size:15px;font-family:宋体">控制的数字化是属于控制算法设计中的模拟化设计方法，或称间接设计方法。</span></p><p><strong><span style="font-size:19px;font-family:宋体;background:#D9D9D9">智能调节器硬件电路设计</span></strong></p><p><span style="font-size:15px;font-family:宋体">智能调节器的硬件电路由主机电路、过程输入</span><span style="font-size:15px">/</span><span style="font-size:15px;font-family:宋体">输出通道、人机接口电路以及通信接口电路等部分组成。</span></p><p><span style="font-size:15px;font-family:宋体">其中主机电路由</span><span style="font-size:15px">CPU</span><span style="font-size:15px;font-family:宋体">、存储器（</span><span style="font-size:15px">ROM</span><span style="font-size:15px;font-family: 宋体">、</span><span style="font-size: 15px">EPROM</span><span style="font-size:15px;font-family:宋体">、</span><span style="font-size:15px">RAM</span><span style="font-size:15px;font-family:宋体">）、定时</span><span style="font-size:15px">/</span><span style="font-size:15px;font-family: 宋体">计数器及</span><span style="font-size: 15px">I/O</span><span style="font-size:15px;font-family:宋体">接口等组成，是智能调节器的核心，用于实现仪表数据运算处理、各组成部分之间的管理。过程输入</span><span style="font-size:15px">/</span><span style="font-size:15px;font-family:宋体">输出通道包括模拟量输入</span><span style="font-size:15px">/</span><span style="font-size:15px;font-family: 宋体">输出通道和开关量输入</span><span style="font-size:15px">/</span><span style="font-size:15px;font-family: 宋体">输出通道，前者用于接收</span><span style="font-size:15px">/</span><span style="font-size:15px;font-family: 宋体">输出模拟量信号，后者用于接收</span><span style="font-size:15px">/</span><span style="font-size:15px;font-family: 宋体">输出开光信号；一台智能调节器通常都可以接收</span><span style="font-size:15px">/</span><span style="font-size:15px;font-family: 宋体">输出若干个模拟量信号和开关量信号。人机接口部件一般由操作按钮和显示部件组成，用于实现调节器与使用人员之间的各种信息的交流。通信接口电路主要用于智能调节器与其他控制设备之间的数据通信，大多采用串级传输方式。</span></p><p><span style="font-size:15px;font-family:宋体">硬件是整个设计的基础。在本系统中选用以</span><span style="font-size:15px">AT89C51</span><span style="font-size:15px;font-family:宋体">单片机为控制核心，输入电压通过</span><span style="font-size:15px">AD</span><span style="font-size:15px;font-family:宋体">转换器，输出数字信号送入</span><span style="font-size:15px">AT89C51</span><span style="font-size:15px;font-family:宋体">单片机进行</span><span style="font-size:15px">PID</span><span style="font-size:15px;font-family: 宋体">运算，运算完成后一路输出结果进入</span><span style="font-size:15px">74ALS573</span><span style="font-size:15px;font-family:宋体">锁存器。通过人机界面的设计，在</span><span style="font-size:15px">LED</span><span style="font-size:15px;font-family:宋体">上显示出来。其中键盘的三个按键功能分别为“功能选择键”</span><span style="font-size:15px"> </span><span style="font-size:15px;font-family:宋体">、“</span><span style="font-size:15px"> +</span><span style="font-size:15px;font-family:宋体">”</span><span style="font-size:15px"> </span><span style="font-size:15px;font-family: 宋体">、“</span><span style="font-size: 15px"> -</span><span style="font-size:15px;font-family:宋体">”</span><span style="font-size:15px"> </span><span style="font-size:15px;font-family:宋体">。一路通过</span><span style="font-size:15px">DA</span><span style="font-size:15px;font-family: 宋体">转换芯片将转换值返回输入端。</span></p><p><br/></p> <div class="blank30"></div> <!-- tag --> <div class="blank10"></div> 标签： <a href='/index.php?case=tag&act=show&tag=LDTQ-3170+LDTQ-3172%2FGVD+LDTQ-5022+LDTQ-3050%2FG+LDTQ-5012+LDTQ-3072%2FVA%28LRZ%29+LDTQ-3112+LDTQ-3152%2FV' target='_blank'>LDTQ-3170 LDTQ-3172/GVD LDTQ-5022 LDTQ-3050/G LDTQ-5012 LDTQ-3072/VA(LRZ) LDTQ-3112 LDTQ-3152/V</a> <div class="blank30"></div> <!--自动调用自定义字段--> <div class="blank20"></div> <!-- 相关文章开始 --> <div class="blank30"></div> <div class="p_info">相关内容：<a href='/index.php?case=tag&act=show&tag=LDTQ-3170+LDTQ-3172%2FGVD+LDTQ-5022+LDTQ-3050%2FG+LDTQ-5012+LDTQ-3072%2FVA%28LRZ%29+LDTQ-3112+LDTQ-3152%2FV' target='_blank'>LDTQ-3170 LDTQ-3172/GVD LDTQ-5022 LDTQ-3050/G LDTQ-5012 LDTQ-3072/VA(LRZ) LDTQ-3112 LDTQ-3152/V</a> </div> <div class="blank10"></div> <ul class="news_list"> <li><a href="/index.php?case=archive&act=show&id=1615">LDTQ-3122/GS</a></li> 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