MATLAB-simulink主动均衡电路模型 双值模糊控制 #汽车级锂电池 动力锂电池模组（16节电芯）主动均衡电路：Bu
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MATLAB-simulink主动均衡电路模型 双值模糊控制 #汽车级锂电池 动力锂电池模组（16节电芯）主动均衡电路：Buck-boost电路均衡对象：SOC控制策略：双值（均值与差值）对比模糊控制可调整充电电流 与放电电流版本2020b <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/89867646/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/89867646/bg1.jpg"/><div class="t m0 x1 h2 y1 ff1 fs0 fc0 sc0 ls0 ws0">MATLAB-Simulink<span class="_ _0"> </span><span class="ff2">是一种强大的建模和仿真工具<span class="ff3">，</span>广泛应用于汽车电池管理系统<span class="ff3">（</span></span>BMS<span class="ff3">）<span class="ff2">的设计和</span></span></div><div class="t m0 x1 h2 y2 ff2 fs0 fc0 sc0 ls0 ws0">优化<span class="ff4">。</span>本文将介绍一种基于<span class="_ _1"> </span><span class="ff1">MATLAB-Simulink<span class="_ _0"> </span></span>的主动均衡电路模型<span class="ff3">，</span>用于处理动力锂电池模组的</div><div class="t m0 x1 h2 y3 ff1 fs0 fc0 sc0 ls0 ws0">SOC<span class="_ _0"> </span><span class="ff2">均衡控制<span class="ff4">。</span>该模型采用了<span class="_ _1"> </span></span>Buck-boost<span class="_ _0"> </span><span class="ff2">电路作为均衡电路<span class="ff3">，</span>通过双值模糊控制策略实现对充电</span></div><div class="t m0 x1 h2 y4 ff2 fs0 fc0 sc0 ls0 ws0">电流和放电电流的调整<span class="ff4">。</span>本文将详细介绍该模型的设计原理<span class="ff4">、</span>实现步骤以及仿真结果<span class="ff4">。</span></div><div class="t m0 x1 h2 y5 ff1 fs0 fc0 sc0 ls0 ws0">1.<span class="_ _2"> </span><span class="ff2">引言</span></div><div class="t m0 x1 h2 y6 ff2 fs0 fc0 sc0 ls0 ws0">随着汽车电动化技术的快速发展<span class="ff3">，</span>动力锂电池作为新一代的能量储存装置在电动汽车领域发挥着关键</div><div class="t m0 x1 h2 y7 ff2 fs0 fc0 sc0 ls0 ws0">作用<span class="ff4">。</span>然而<span class="ff3">，</span>由于电芯之间的容量差异<span class="ff4">、</span>内部电阻不均等因素<span class="ff3">，</span>动力锂电池模组中的电芯往往会出现</div><div class="t m0 x1 h2 y8 ff1 fs0 fc0 sc0 ls0 ws0">SOC<span class="ff3">（</span>State of Charge<span class="ff3">）<span class="ff2">不平衡的问题<span class="ff4">。</span>为了充分利用动力锂电池的能量</span>，<span class="ff2">提高电池组的整体性</span></span></div><div class="t m0 x1 h2 y9 ff2 fs0 fc0 sc0 ls0 ws0">能和寿命<span class="ff3">，</span>需要对<span class="_ _1"> </span><span class="ff1">SOC<span class="_ _0"> </span></span>进行均衡控制<span class="ff4">。</span>在本文中<span class="ff3">，</span>我们将基于<span class="_ _1"> </span><span class="ff1">MATLAB-Simulink<span class="_ _0"> </span></span>开发一个主动均</div><div class="t m0 x1 h2 ya ff2 fs0 fc0 sc0 ls0 ws0">衡电路模型<span class="ff3">，</span>通过双值模糊控制实现<span class="_ _1"> </span><span class="ff1">SOC<span class="_ _0"> </span></span>均衡<span class="ff4">。</span></div><div class="t m0 x1 h2 yb ff1 fs0 fc0 sc0 ls0 ws0">2.<span class="_ _2"> </span><span class="ff2">主动均衡电路设计</span></div><div class="t m0 x1 h2 yc ff1 fs0 fc0 sc0 ls0 ws0">2.1.<span class="_"> </span>Buck-boost<span class="_ _0"> </span><span class="ff2">电路</span></div><div class="t m0 x1 h2 yd ff1 fs0 fc0 sc0 ls0 ws0">Buck-boost<span class="_ _0"> </span><span class="ff2">电路是一种常见的<span class="_ _1"> </span></span>DC-DC<span class="_ _0"> </span><span class="ff2">变换器<span class="ff3">，</span>能够实现对输入电压进行降压或升压的功能<span class="ff4">。</span>在主</span></div><div class="t m0 x1 h2 ye ff2 fs0 fc0 sc0 ls0 ws0">动均衡电路中<span class="ff3">，</span>我们采用<span class="_ _1"> </span><span class="ff1">Buck-boost<span class="_ _0"> </span></span>电路作为均衡电路<span class="ff3">，</span>用于调节电池模组的充放电电流<span class="ff4">。</span>该电路</div><div class="t m0 x1 h2 yf ff2 fs0 fc0 sc0 ls0 ws0">既能够实现电流的调整<span class="ff3">，</span>又能够保持电池模组的总电压稳定<span class="ff4">。</span></div><div class="t m0 x1 h2 y10 ff1 fs0 fc0 sc0 ls0 ws0">2.2.<span class="_"> </span><span class="ff2">双值模糊控制策略</span></div><div class="t m0 x1 h2 y11 ff2 fs0 fc0 sc0 ls0 ws0">双值模糊控制是一种基于模糊逻辑的控制策略<span class="ff3">，</span>它通过比较均值和差值两种不同的模糊规则来实现对</div><div class="t m0 x1 h2 y12 ff2 fs0 fc0 sc0 ls0 ws0">系统的控制<span class="ff4">。</span>在我们的主动均衡电路模型中<span class="ff3">，</span>双值模糊控制策略被应用于充放电电流的调节<span class="ff4">。</span>具体来</div><div class="t m0 x1 h2 y13 ff2 fs0 fc0 sc0 ls0 ws0">说<span class="ff3">，</span>我们将通过模糊控制器计算出充电电流和放电电流的调整量<span class="ff3">，</span>然后根据这些调整量来控制<span class="_ _1"> </span><span class="ff1">Buck-</span></div><div class="t m0 x1 h2 y14 ff1 fs0 fc0 sc0 ls0 ws0">boost<span class="_ _0"> </span><span class="ff2">电路的输出<span class="ff4">。</span></span></div><div class="t m0 x1 h2 y15 ff1 fs0 fc0 sc0 ls0 ws0">3.<span class="_ _2"> </span><span class="ff2">模型实现步骤</span></div><div class="t m0 x1 h2 y16 ff1 fs0 fc0 sc0 ls0 ws0">3.1.<span class="_"> </span><span class="ff2">建立模型</span></div><div class="t m0 x1 h2 y17 ff2 fs0 fc0 sc0 ls0 ws0">首先<span class="ff3">，</span>我们在<span class="_ _1"> </span><span class="ff1">MATLAB-Simulink<span class="_ _0"> </span></span>环境中建立动力锂电池模组的主动均衡电路模型<span class="ff4">。</span>根据给定的电芯</div><div class="t m0 x1 h2 y18 ff2 fs0 fc0 sc0 ls0 ws0">数量<span class="ff3">（<span class="ff1">16<span class="_ _0"> </span></span></span>节电芯<span class="ff3">），</span>我们设置相应的输入端口和输出端口<span class="ff3">，</span>并添加<span class="_ _1"> </span><span class="ff1">Buck-boost<span class="_ _0"> </span></span>电路和模糊控制器</div><div class="t m0 x1 h2 y19 ff2 fs0 fc0 sc0 ls0 ws0">等组件<span class="ff4">。</span></div><div class="t m0 x1 h2 y1a ff1 fs0 fc0 sc0 ls0 ws0">3.2.<span class="_"> </span><span class="ff2">设置参数</span></div><div class="t m0 x1 h2 y1b ff2 fs0 fc0 sc0 ls0 ws0">为了使模型能够准确地描述实际情况<span class="ff3">，</span>我们需要根据电池模组的特性设置相应的参数<span class="ff4">。</span>这些参数包括</div><div class="t m0 x1 h2 y1c ff2 fs0 fc0 sc0 ls0 ws0">电芯容量<span class="ff4">、</span>电池组总电压<span class="ff4">、</span>充电电流和放电电流等<span class="ff4">。</span></div><div class="t m0 x1 h2 y1d ff1 fs0 fc0 sc0 ls0 ws0">3.3.<span class="_"> </span><span class="ff2">实现双值模糊控制</span></div><div class="t m0 x1 h2 y1e ff2 fs0 fc0 sc0 ls0 ws0">在模型中添加双值模糊控制器<span class="ff3">，</span>根据充电电流和放电电流的测量值<span class="ff3">，</span>计算出充电电流和放电电流的调</div><div class="t m0 x1 h2 y1f ff2 fs0 fc0 sc0 ls0 ws0">整量<span class="ff4">。</span>根据这些调整量<span class="ff3">，</span>调节<span class="_ _1"> </span><span class="ff1">Buck-boost<span class="_ _0"> </span></span>电路的输出<span class="ff3">，</span>实现<span class="_ _1"> </span><span class="ff1">SOC<span class="_ _0"> </span></span>的均衡<span class="ff4">。</span></div></div><div class="pi" data-data='{"ctm":[1.568627,0.000000,0.000000,1.568627,0.000000,0.000000]}'></div></div>