MATLAB LLC谐振DC-DC变换器设计与仿真集：含全桥半桥方案、开环闭环仿真及电路参数计算,MATLAB LLC谐振DC-DC变换器设计与仿真：全桥与半桥电路参数计算及开闭环仿真分析,MATLA
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MATLAB LLC谐振DC-DC变换器设计与仿真集：含全桥半桥方案、开环闭环仿真及电路参数计算,MATLAB LLC谐振DC-DC变换器设计与仿真：全桥与半桥电路参数计算及开闭环仿真分析,MATLAB全桥或者半桥LLC谐振DC DC变器的设计与仿真内含开环仿真、电压闭环仿真两个仿真文件并含有电路参数仿真计算过程 支持最高版本2018b,MATLAB; 全桥/半桥LLC谐振DC DC变换器; 设计; 仿真; 开环仿真; 电压闭环仿真; 电路参数仿真计算; 2018b版本。,MATLAB 2018b中全桥与半桥LLC谐振DC-DC变换器设计与仿真：含开环与电压闭环仿真及电路参数计算 <link href="/image.php?url=https://csdnimg.cn/release/download_crawler_static/css/base.min.css" rel="stylesheet"/><link href="/image.php?url=https://csdnimg.cn/release/download_crawler_static/css/fancy.min.css" rel="stylesheet"/><link href="/image.php?url=https://csdnimg.cn/release/download_crawler_static/90430627/2/raw.css" rel="stylesheet"/><div id="sidebar" style="display: none"><div id="outline"></div></div><div class="pf w0 h0" data-page-no="1" id="pf1"><div class="pc pc1 w0 h0"><img alt="" class="bi x0 y0 w1 h1" src="/image.php?url=https://csdnimg.cn/release/download_crawler_static/90430627/bg1.jpg"/><div class="t m0 x1 h2 y1 ff1 fs0 fc0 sc0 ls0 ws0">**<span class="ff2">探索<span class="_ _0"> </span></span>MATLAB<span class="_ _0"> </span><span class="ff2">中的全桥与半桥<span class="_ _0"> </span></span>LLC<span class="_"> </span><span class="ff2">谐振<span class="_ _0"> </span></span>DC D<span class="_ _1"></span>C<span class="_ _0"> </span><span class="ff2">变换器：设计与仿真之旅</span>**</div><div class="t m0 x1 h2 y2 ff2 fs0 fc0 sc0 ls0 ws0">在电力电子领域，<span class="ff1">DC DC<span class="_ _0"> </span></span>变换器是不可或缺的组成部分，<span class="_ _1"></span>而其中<span class="_ _0"> </span><span class="ff1">LLC<span class="_ _0"> </span></span>谐振<span class="_ _0"> </span><span class="ff1">DC DC<span class="_ _0"> </span></span>变换器因</div><div class="t m0 x1 h2 y3 ff2 fs0 fc0 sc0 ls0 ws0">其高效、<span class="_ _2"></span>低噪声的特性备受关注。<span class="_ _2"></span>今天，<span class="_ _2"></span>我们将一起探索使用<span class="_ _0"> </span><span class="ff1">MATLAB<span class="_"> </span></span>进行全桥和半桥<span class="_ _0"> </span><span class="ff1">LLC</span></div><div class="t m0 x1 h2 y4 ff2 fs0 fc0 sc0 ls0 ws0">谐振<span class="_ _0"> </span><span class="ff1">DC DC<span class="_"> </span></span>变换器的设计与仿<span class="_ _3"></span>真过程，并特<span class="_ _3"></span>别关注开环仿<span class="_ _3"></span>真与电压闭环仿<span class="_ _3"></span>真的两个重要<span class="_ _3"></span>环</div><div class="t m0 x1 h2 y5 ff2 fs0 fc0 sc0 ls0 ws0">节。</div><div class="t m0 x1 h2 y6 ff1 fs0 fc0 sc0 ls0 ws0">**<span class="ff2">一、进入<span class="_ _0"> </span></span>MATLAB<span class="_ _0"> </span><span class="ff2">的电路设计世界</span>**</div><div class="t m0 x1 h2 y7 ff2 fs0 fc0 sc0 ls0 ws0">当打开<span class="_ _4"> </span><span class="ff1">MATLAB<span class="_"> </span></span>的电力电<span class="_ _3"></span>子仿真<span class="_ _3"></span>工具<span class="_ _3"></span>时，眼<span class="_ _3"></span>前即<span class="_ _3"></span>是一个<span class="_ _3"></span>丰富而<span class="_ _3"></span>繁复<span class="_ _3"></span>的电路<span class="_ _3"></span>设计世<span class="_ _3"></span>界。<span class="_ _3"></span>我们</div><div class="t m0 x1 h2 y8 ff2 fs0 fc0 sc0 ls0 ws0">的目标，便是通过数学模型来构建与真实世界相近的<span class="_ _0"> </span><span class="ff1">DC DC<span class="_ _0"> </span></span>变换器。</div><div class="t m0 x1 h2 y9 ff1 fs0 fc0 sc0 ls0 ws0">**<span class="ff2">二、全桥与半桥<span class="_ _0"> </span></span>LLC<span class="_"> </span><span class="ff2">谐振<span class="_ _0"> </span></span>DC D<span class="_ _1"></span>C<span class="_ _0"> </span><span class="ff2">变换器的设计</span>**</div><div class="t m0 x1 h2 ya ff2 fs0 fc0 sc0 ls0 ws0">首先，<span class="_ _5"></span>我们需要明确全桥与半桥的区别。<span class="_ _5"></span>简单来说，<span class="_ _5"></span>全桥电路使用四个开关管，<span class="_ _5"></span>而半桥电路</div><div class="t m0 x1 h2 yb ff2 fs0 fc0 sc0 ls0 ws0">则使用两个。这两种电路各有优势，而选择哪种主要取决于应用场景和设计需求。</div><div class="t m0 x1 h2 yc ff2 fs0 fc0 sc0 ls0 ws0">在<span class="_ _0"> </span><span class="ff1">MATLAB<span class="_ _0"> </span></span>中，我们可以利用其内置的电路元件库来构建<span class="_ _0"> </span><span class="ff1">LLC<span class="_"> </span></span>谐振<span class="_ _0"> </span><span class="ff1">DC <span class="_ _6"></span>DC<span class="_ _0"> </span><span class="ff2">变换器的模型。</span></span></div><div class="t m0 x1 h2 yd ff2 fs0 fc0 sc0 ls0 ws0">这包括电容、<span class="_ _5"></span>电感、<span class="_ _6"></span>开关管、<span class="_ _6"></span>二极管等元件。<span class="_ _6"></span>设计过程中，<span class="_ _6"></span>我们需要根据电路参数仿真计算</div><div class="t m0 x1 h2 ye ff2 fs0 fc0 sc0 ls0 ws0">过程来确定每个元件的参数。</div><div class="t m0 x1 h2 yf ff1 fs0 fc0 sc0 ls0 ws0">**<span class="ff2">三、开环仿真与电压闭环仿真</span>**</div><div class="t m0 x1 h2 y10 ff2 fs0 fc0 sc0 ls0 ws0">仿真过<span class="_ _3"></span>程是<span class="_ _3"></span>验证设<span class="_ _3"></span>计正确<span class="_ _3"></span>性的<span class="_ _3"></span>关键步<span class="_ _3"></span>骤。<span class="_ _3"></span>在<span class="_ _0"> </span><span class="ff1">MATLAB<span class="_"> </span></span>中，我<span class="_ _3"></span>们可以<span class="_ _3"></span>进行开<span class="_ _3"></span>环仿<span class="_ _3"></span>真和电<span class="_ _3"></span>压闭</div><div class="t m0 x1 h2 y11 ff2 fs0 fc0 sc0 ls0 ws0">环仿真。开环仿真主要用于检查电路的基本性能和响应特性<span class="_ _7"></span>；<span class="_ _7"></span>而电压闭环仿真则更加接近真</div><div class="t m0 x1 h2 y12 ff2 fs0 fc0 sc0 ls0 ws0">实应用场景，可以检验电路在各种负载变化下的稳定性和响应速度。</div><div class="t m0 x1 h2 y13 ff2 fs0 fc0 sc0 ls0 ws0">在开环仿真中，<span class="_ _8"></span>我们可以观察到变换器在不同输入条件下的工作状态，<span class="_ _8"></span>如电流和电压的波形、</div><div class="t m0 x1 h2 y14 ff2 fs0 fc0 sc0 ls0 ws0">功率因数等。<span class="_ _8"></span>而在电压闭环仿真中，<span class="_ _8"></span>我们则可以通过反馈机制来模拟实际使用中的控制策略，</div><div class="t m0 x1 h2 y15 ff2 fs0 fc0 sc0 ls0 ws0">从而更加全面地评估变换器的性能。</div><div class="t m0 x1 h2 y16 ff1 fs0 fc0 sc0 ls0 ws0">**<span class="ff2">四、示例代码与仿真结果</span>**</div><div class="t m0 x1 h2 y17 ff2 fs0 fc0 sc0 ls0 ws0">下面是一段简单的<span class="_ _0"> </span><span class="ff1">MATLAB<span class="_ _0"> </span></span>代码示例，<span class="_ _6"></span>用于构建<span class="_ _0"> </span><span class="ff1">L<span class="_ _3"></span>LC<span class="_ _0"> </span></span>谐振<span class="_ _0"> </span><span class="ff1">DC DC<span class="_ _0"> </span></span>变换器的模型并进行开环</div><div class="t m0 x1 h2 y18 ff2 fs0 fc0 sc0 ls0 ws0">仿真：</div><div class="t m0 x1 h2 y19 ff1 fs0 fc0 sc0 ls0 ws0">```matlab</div><div class="t m0 x1 h2 y1a ff1 fs0 fc0 sc0 ls0 ws0">% <span class="_ _9"> </span><span class="ff2">创建全桥<span class="_ _0"> </span></span>LLC<span class="_"> </span><span class="ff2">谐振<span class="_ _9"> </span></span>DC DC<span class="_ _0"> </span><span class="ff2">变换器模型</span></div><div class="t m0 x1 h2 y1b ff1 fs0 fc0 sc0 ls0 ws0">% <span class="_ _9"> </span><span class="ff2">定义电路参数</span>...<span class="ff2">（此处省略具体参数设置）</span></div><div class="t m0 x1 h2 y1c ff1 fs0 fc0 sc0 ls0 ws0">% <span class="_ _9"> </span><span class="ff2">构建电路模型</span></div><div class="t m0 x1 h2 y1d ff1 fs0 fc0 sc0 ls0 ws0">bridge = ...; % <span class="_ _9"> </span><span class="ff2">创建全桥电路元件</span></div><div class="t m0 x1 h2 y1e ff1 fs0 fc0 sc0 ls0 ws0">resonant_tank = ...; % <span class="_ _9"> </span><span class="ff2">创建谐振电路部分</span></div><div class="t m0 x1 h2 y1f ff1 fs0 fc0 sc0 ls0 ws0">...</div></div><div class="pi" data-data='{"ctm":[1.611830,0.000000,0.000000,1.611830,0.000000,0.000000]}'></div></div>