双三相永磁同步电机模型预测控制仿真,采用四矢量合成电压矢量,并采用matlab离散化仿真,通过使能模块,真实模拟DSP中断触发方式 图一为突加负载转速波形图二为六相电流波形图三为转矩波形图四为
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双三相永磁同步电机模型预测控制仿真,采用四矢量合成电压矢量,并采用matlab离散化仿真,通过使能模块,真实模拟DSP中断触发方式。图一为突加负载转速波形图二为六相电流波形图三为转矩波形图四为xy谐波平面电流波形图五为选择的最优电压矢量图六为选取最优电压矢量是的价值函数值图七为仿真框图 <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/90214591/2/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/90214591/bg1.jpg"/><div class="t m0 x1 h2 y1 ff1 fs0 fc0 sc0 ls0 ws0">双三相永磁同步电机模型预测控制仿真研究</div><div class="t m0 x1 h2 y2 ff1 fs0 fc0 sc0 ls0 ws0">一<span class="ff2">、</span>引言</div><div class="t m0 x1 h2 y3 ff1 fs0 fc0 sc0 ls0 ws0">随着现代电力电子技术的发展<span class="ff3">,</span>永磁同步电机<span class="ff3">(<span class="ff4">PMSM</span>)</span>在诸多领域得到了广泛应用<span class="ff2">。</span>为了提高<span class="_ _0"> </span><span class="ff4">PMSM</span></div><div class="t m0 x1 h2 y4 ff1 fs0 fc0 sc0 ls0 ws0">的性能<span class="ff3">,</span>研究人员一直在探索新的控制策略<span class="ff2">。</span>本文重点研究双三相永磁同步电机的模型预测控制<span class="ff3">(</span></div><div class="t m0 x1 h2 y5 ff4 fs0 fc0 sc0 ls0 ws0">MPC<span class="ff3">)<span class="ff1">仿真</span>,<span class="ff1">通过采用四矢量合成虚拟电压矢量方法</span>,<span class="ff1">在<span class="_ _0"> </span></span></span>MATLAB<span class="_ _1"> </span><span class="ff1">中进行离散化仿真<span class="ff3">,</span>以模拟真实运</span></div><div class="t m0 x1 h2 y6 ff1 fs0 fc0 sc0 ls0 ws0">行环境<span class="ff2">。</span></div><div class="t m0 x1 h2 y7 ff1 fs0 fc0 sc0 ls0 ws0">二<span class="ff2">、</span>背景知识与理论基础</div><div class="t m0 x1 h2 y8 ff1 fs0 fc0 sc0 ls0 ws0">双三相永磁同步电机是一种高性能电机<span class="ff3">,</span>其运行依赖于精确的控制系统<span class="ff2">。</span>模型预测控制是一种先进的</div><div class="t m0 x1 h2 y9 ff1 fs0 fc0 sc0 ls0 ws0">控制策略<span class="ff3">,</span>能够预测系统的未来状态并优化控制输出<span class="ff2">。</span>四矢量合成虚拟电压矢量方法则是在模型预测</div><div class="t m0 x1 h2 ya ff1 fs0 fc0 sc0 ls0 ws0">控制中应用广泛的一种方法<span class="ff3">,</span>它能有效提高电机控制精度和响应速度<span class="ff2">。</span></div><div class="t m0 x1 h2 yb ff1 fs0 fc0 sc0 ls0 ws0">三<span class="ff2">、</span>仿真实验设计与过程</div><div class="t m0 x1 h2 yc ff1 fs0 fc0 sc0 ls0 ws0">在本次仿真研究中<span class="ff3">,</span>我们采用了<span class="_ _0"> </span><span class="ff4">MATLAB<span class="_ _1"> </span></span>作为仿真工具<span class="ff2">。</span>首先<span class="ff3">,</span>建立了双三相永磁同步电机的数学模</div><div class="t m0 x1 h2 yd ff1 fs0 fc0 sc0 ls0 ws0">型<span class="ff3">,</span>并设计了模型预测控制器<span class="ff2">。</span>然后<span class="ff3">,</span>通过四矢量合成虚拟电压矢量方法<span class="ff3">,</span>对电机进行控制<span class="ff2">。</span>为了模</div><div class="t m0 x1 h2 ye ff1 fs0 fc0 sc0 ls0 ws0">拟真实环境<span class="ff3">,</span>我们采用了使能模块<span class="ff3">,</span>模拟<span class="_ _0"> </span><span class="ff4">DSP<span class="_ _1"> </span></span>中断触发方式<span class="ff2">。</span></div><div class="t m0 x1 h2 yf ff1 fs0 fc0 sc0 ls0 ws0">四<span class="ff2">、</span>实验结果分析</div><div class="t m0 x1 h2 y10 ff1 fs0 fc0 sc0 ls0 ws0">实验过程中<span class="ff3">,</span>我们得到了以下几组波形图<span class="ff3">:</span></div><div class="t m0 x1 h2 y11 ff4 fs0 fc0 sc0 ls0 ws0">1.<span class="_ _2"> </span><span class="ff1">突加负载转速波形<span class="ff3">:</span>通过观察图一的突加负载转速波形<span class="ff3">,</span>我们可以发现<span class="ff3">,</span>电机在突加负载时<span class="ff3">,</span>转</span></div><div class="t m0 x2 h2 y12 ff1 fs0 fc0 sc0 ls0 ws0">速调整迅速<span class="ff3">,</span>表现出良好的动态性能<span class="ff2">。</span></div><div class="t m0 x1 h2 y13 ff4 fs0 fc0 sc0 ls0 ws0">2.<span class="_ _2"> </span><span class="ff1">六相电流波形<span class="ff3">:</span>图二展示了六相电流波形<span class="ff3">,</span>电流变化平稳<span class="ff3">,</span>无明显波动<span class="ff3">,</span>说明控制策略有效<span class="ff2">。</span></span></div><div class="t m0 x1 h2 y14 ff4 fs0 fc0 sc0 ls0 ws0">3.<span class="_ _2"> </span><span class="ff1">转矩波形<span class="ff3">:</span>图三展示了转矩波形<span class="ff3">,</span>转矩响应迅速<span class="ff3">,</span>能够满足系统要求<span class="ff2">。</span></span></div><div class="t m0 x1 h2 y15 ff4 fs0 fc0 sc0 ls0 ws0">4.<span class="_ _2"> </span>xy<span class="_ _1"> </span><span class="ff1">谐波平面电流波形<span class="ff3">:</span>图四展示了<span class="_ _0"> </span></span>xy<span class="_ _1"> </span><span class="ff1">谐波平面电流波形<span class="ff3">,</span>电流谐波含量较低<span class="ff3">,</span>表明电机运行</span></div><div class="t m0 x2 h2 y16 ff1 fs0 fc0 sc0 ls0 ws0">平稳<span class="ff2">。</span></div><div class="t m0 x1 h2 y17 ff4 fs0 fc0 sc0 ls0 ws0">5.<span class="_ _2"> </span><span class="ff1">选择的最优电压矢量<span class="ff3">:</span>从图五可以看出<span class="ff3">,</span>选择的最优电压矢量能够有效地驱动电机运行<span class="ff2">。</span></span></div><div class="t m0 x1 h2 y18 ff4 fs0 fc0 sc0 ls0 ws0">6.<span class="_ _2"> </span><span class="ff1">选取最优电压矢量时的价值函数值<span class="ff3">:</span>图六展示了选取最优电压矢量时的价值函数值<span class="ff3">,</span>这为我们评</span></div><div class="t m0 x2 h2 y19 ff1 fs0 fc0 sc0 ls0 ws0">估控制效果提供了依据<span class="ff2">。</span></div><div class="t m0 x1 h2 y1a ff4 fs0 fc0 sc0 ls0 ws0">7.<span class="_ _2"> </span><span class="ff1">仿真框图<span class="ff3">:</span>图七展示了仿真框图<span class="ff3">,</span>帮助我们更好地理解仿真过程<span class="ff2">。</span></span></div><div class="t m0 x1 h2 y1b ff1 fs0 fc0 sc0 ls0 ws0">五<span class="ff2">、</span>结论</div></div><div class="pi" data-data='{"ctm":[1.568627,0.000000,0.000000,1.568627,0.000000,0.000000]}'></div></div>