该模型采用龙贝格观测器进行无传感器控制其利用 PMSM 数学模型构造观测器模型,根据输出的偏差反馈信号来修正状态变量 当观测
资源内容介绍
该模型采用龙贝格观测器进行无传感器控制其利用 PMSM 数学模型构造观测器模型,根据输出的偏差反馈信号来修正状态变量。当观测的电流实现与实际电流跟随时,可以从观测的反电势计算得到电机的转子位置信息,形成跟踪闭环估计。龙伯格观测器采用线性控制策略代替了 SMO 的变结构控制,有效避免了系统抖振,具有动态响快、估算精度高的优点 <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/89767802/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/89767802/bg1.jpg"/><div class="t m0 x1 h2 y1 ff1 fs0 fc0 sc0 ls0 ws0">标题<span class="ff2">:</span>基于龙贝格观测器的无传感器控制技术研究</div><div class="t m0 x1 h2 y2 ff1 fs0 fc0 sc0 ls0 ws0">摘要<span class="ff2">:</span>本文针对无传感器控制技术中的龙贝格观测器进行研究<span class="ff2">,</span>探讨其在永磁同步电机<span class="ff2">(<span class="ff3">PMSM</span>)</span>系统</div><div class="t m0 x1 h2 y3 ff1 fs0 fc0 sc0 ls0 ws0">中的应用<span class="ff4">。</span>通过构建观测器模型<span class="ff2">,</span>利用输出的偏差反馈信号修正状态变量<span class="ff2">,</span>实现电流的观测和跟踪闭</div><div class="t m0 x1 h2 y4 ff1 fs0 fc0 sc0 ls0 ws0">环估计<span class="ff4">。</span>相比于传统的变结构控制方法<span class="ff2">,</span>龙贝格观测器采用线性控制策略<span class="ff2">,</span>具有动态响快和估算精度</div><div class="t m0 x1 h2 y5 ff1 fs0 fc0 sc0 ls0 ws0">高等优点<span class="ff2">,</span>可以有效避免系统抖振<span class="ff4">。</span></div><div class="t m0 x1 h2 y6 ff3 fs0 fc0 sc0 ls0 ws0">1.<span class="_ _0"> </span><span class="ff1">引言</span></div><div class="t m0 x1 h2 y7 ff1 fs0 fc0 sc0 ls0 ws0">无传感器控制技术在工业控制领域具有重要的应用价值<span class="ff4">。</span>本文的研究对象是永磁同步电机系统<span class="ff2">,</span>通过</div><div class="t m0 x1 h2 y8 ff1 fs0 fc0 sc0 ls0 ws0">引入龙贝格观测器<span class="ff2">,</span>实现对电机状态的估计和跟踪控制<span class="ff4">。</span>龙贝格观测器采用线性控制策略<span class="ff2">,</span>相比于传</div><div class="t m0 x1 h2 y9 ff1 fs0 fc0 sc0 ls0 ws0">统的变结构控制方法<span class="ff2">,</span>具有更好的控制性能<span class="ff4">。</span></div><div class="t m0 x1 h2 ya ff3 fs0 fc0 sc0 ls0 ws0">2.<span class="_ _0"> </span><span class="ff1">无传感器控制技术概述</span></div><div class="t m0 x1 h2 yb ff1 fs0 fc0 sc0 ls0 ws0">无传感器控制技术是指在系统中不使用传感器来获取状态信息<span class="ff2">,</span>而是通过观测器对系统状态进行估计</div><div class="t m0 x1 h2 yc ff1 fs0 fc0 sc0 ls0 ws0">和修正<span class="ff4">。</span>这种控制方式广泛应用于电机控制<span class="ff4">、</span>无线传感网络等领域<span class="ff2">,</span>具有成本低<span class="ff4">、</span>可靠性高等优势<span class="ff4">。</span></div><div class="t m0 x1 h2 yd ff1 fs0 fc0 sc0 ls0 ws0">在永磁同步电机领域<span class="ff2">,</span>无传感器控制技术可以减少系统复杂度<span class="ff2">,</span>提高系统性能<span class="ff4">。</span></div><div class="t m0 x1 h2 ye ff3 fs0 fc0 sc0 ls0 ws0">3.<span class="_ _0"> </span><span class="ff1">龙贝格观测器原理</span></div><div class="t m0 x1 h2 yf ff1 fs0 fc0 sc0 ls0 ws0">龙贝格观测器是一种基于模型的观测器<span class="ff2">,</span>通过输出的偏差反馈信号修正系统的状态变量<span class="ff4">。</span>在本文的研</div><div class="t m0 x1 h2 y10 ff1 fs0 fc0 sc0 ls0 ws0">究中<span class="ff2">,</span>我们利用<span class="_ _1"> </span><span class="ff3">PMSM<span class="_ _2"> </span></span>数学模型构造了观测器模型<span class="ff4">。</span>观测器通过观测电流实现与实际电流的跟随<span class="ff2">,</span>并</div><div class="t m0 x1 h2 y11 ff1 fs0 fc0 sc0 ls0 ws0">通过观测的反电势计算得到电机的转子位置信息<span class="ff4">。</span></div><div class="t m0 x1 h2 y12 ff3 fs0 fc0 sc0 ls0 ws0">4.<span class="_ _0"> </span><span class="ff1">优势与应用</span></div><div class="t m0 x1 h2 y13 ff1 fs0 fc0 sc0 ls0 ws0">龙贝格观测器采用线性控制策略<span class="ff2">,</span>相比于传统的变结构控制方法<span class="ff2">,</span>具有动态响快和估算精度高的优点</div><div class="t m0 x1 h2 y14 ff4 fs0 fc0 sc0 ls0 ws0">。<span class="ff1">它能够有效避免系统抖振<span class="ff2">,</span>提高系统的控制性能和稳定性</span>。<span class="ff1">在实际应用中<span class="ff2">,</span>龙贝格观测器可以广泛</span></div><div class="t m0 x1 h2 y15 ff1 fs0 fc0 sc0 ls0 ws0">应用于永磁同步电机控制系统中<span class="ff2">,</span>提高电机的跟踪性能和响应速度<span class="ff4">。</span></div><div class="t m0 x1 h2 y16 ff3 fs0 fc0 sc0 ls0 ws0">5.<span class="_ _0"> </span><span class="ff1">实验验证与结果分析</span></div><div class="t m0 x1 h2 y17 ff1 fs0 fc0 sc0 ls0 ws0">通过实验验证<span class="ff2">,</span>我们对比了龙贝格观测器与传统变结构控制方法在永磁同步电机控制系统中的性能差</div><div class="t m0 x1 h2 y18 ff1 fs0 fc0 sc0 ls0 ws0">异<span class="ff4">。</span>实验结果表明<span class="ff2">,</span>龙贝格观测器具有更好的系统响应速度和估算精度<span class="ff2">,</span>能够更好地满足系统的控制</div><div class="t m0 x1 h2 y19 ff1 fs0 fc0 sc0 ls0 ws0">需求<span class="ff4">。</span></div><div class="t m0 x1 h2 y1a ff3 fs0 fc0 sc0 ls0 ws0">6.<span class="_ _0"> </span><span class="ff1">结论和展望</span></div><div class="t m0 x1 h2 y1b ff1 fs0 fc0 sc0 ls0 ws0">本文基于龙贝格观测器对无传感器控制技术在永磁同步电机系统中的应用进行了研究<span class="ff4">。</span>通过实验验证</div><div class="t m0 x1 h2 y1c ff2 fs0 fc0 sc0 ls0 ws0">,<span class="ff1">证明了龙贝格观测器具有更好的控制性能和稳定性<span class="ff4">。</span>未来</span>,<span class="ff1">我们将进一步优化龙贝格观测器的设计</span></div><div class="t m0 x1 h2 y1d ff2 fs0 fc0 sc0 ls0 ws0">,<span class="ff1">探索其在其他领域的应用潜力<span class="ff4">。</span></span></div><div class="t m0 x1 h2 y1e ff3 fs0 fc0 sc0 ls0 ws0">7.<span class="_ _0"> </span><span class="ff1">参考文献</span></div></div><div class="pi" data-data='{"ctm":[1.568627,0.000000,0.000000,1.568627,0.000000,0.000000]}'></div></div>