基于FPGA的FOC电流环实现1.仅包含基本的电流环2.采用verilog语言编写3.电流环PI控制器4.采用SVPWM算法5.均通过处理转为整数运算6.采用ADC采样，型号为AD7928
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基于FPGA的FOC电流环实现1.仅包含基本的电流环2.采用verilog语言编写3.电流环PI控制器4.采用SVPWM算法5.均通过处理转为整数运算6.采用ADC采样，型号为AD7928，反馈为AS56007.采用串口通信8.代码层次结构清晰，可读性强9.代码与实际硬件相结合，便于理解10.包含对应的simulink模型（结合模型，和rtl图，更容易理解代码）11.代码可以运行12.适用于采用foc控制的bldc和pmsm13.此为源码和simulink模型的价，不包含硬件的图纸A1 不是用Matlab等工具自动生成的代码，而是基于verilog，手动编写的A2 二电平的Svpwm算法A3 仅包含电流闭环A4 单采样单更新，中断频率 计算频率，可以基于自己所移植的硬件，重新设置 <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/90183218/2/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/90183218/bg1.jpg"/><div class="t m0 x1 h2 y1 ff1 fs0 fc0 sc0 ls0 ws0">基于<span class="_ _0"> </span><span class="ff2">FPGA<span class="_ _1"> </span></span>的<span class="_ _0"> </span><span class="ff2">FOC<span class="_ _1"> </span></span>电流环实现</div><div class="t m0 x1 h2 y2 ff1 fs0 fc0 sc0 ls0 ws0">摘要<span class="ff3">：</span>本文介绍了一种基于<span class="_ _0"> </span><span class="ff2">FPGA<span class="_ _1"> </span></span>的<span class="_ _0"> </span><span class="ff2">FOC<span class="ff3">（</span>Field-Oriented Control<span class="ff3">）</span></span>电流环实现方案<span class="ff4">。</span>该方案</div><div class="t m0 x1 h2 y3 ff1 fs0 fc0 sc0 ls0 ws0">仅包含基本的电流环<span class="ff3">，</span>采用<span class="_ _0"> </span><span class="ff2">Verilog<span class="_ _1"> </span></span>语言编写<span class="ff3">，</span>并使用<span class="_ _0"> </span><span class="ff2">PI<span class="_ _1"> </span></span>控制器进行闭环控制<span class="ff4">。</span>采用<span class="_ _0"> </span><span class="ff2">SVPWM<span class="ff3">（</span></span></div><div class="t m0 x1 h2 y4 ff2 fs0 fc0 sc0 ls0 ws0">Space Vector Pulse Width Modulation<span class="ff3">）<span class="ff1">算法对电机进行控制</span>，<span class="ff1">通过处理将计算转为整数运</span></span></div><div class="t m0 x1 h2 y5 ff1 fs0 fc0 sc0 ls0 ws0">算<span class="ff4">。</span>采用<span class="_ _0"> </span><span class="ff2">ADC<span class="_ _1"> </span></span>采样<span class="ff3">，</span>型号为<span class="_ _0"> </span><span class="ff2">AD7928<span class="ff3">，</span></span>反馈为<span class="_ _0"> </span><span class="ff2">AS5600<span class="ff3">，</span></span>通过串口通信与外部设备进行数据交互<span class="ff4">。</span>代</div><div class="t m0 x1 h2 y6 ff1 fs0 fc0 sc0 ls0 ws0">码层次结构清晰<span class="ff3">，</span>可读性强<span class="ff3">，</span>与实际硬件相结合<span class="ff3">，</span>便于理解<span class="ff4">。</span>同时<span class="ff3">，</span>本文还提供了相应的<span class="_ _0"> </span><span class="ff2">Simulink</span></div><div class="t m0 x1 h2 y7 ff1 fs0 fc0 sc0 ls0 ws0">模型<span class="ff3">，</span>结合模型和<span class="_ _0"> </span><span class="ff2">RTL<span class="_ _1"> </span></span>图<span class="ff3">，</span>更容易理解代码<span class="ff4">。</span>最后<span class="ff3">，</span>本文指出该方案可以适用于采用<span class="_ _0"> </span><span class="ff2">FOC<span class="_ _1"> </span></span>控制的</div><div class="t m0 x1 h2 y8 ff2 fs0 fc0 sc0 ls0 ws0">BLDC<span class="ff3">（</span>Brushless DC<span class="ff3">）<span class="ff1">和<span class="_ _0"> </span></span></span>PMSM<span class="ff3">（</span>Permanent Magnet Synchronous Motor<span class="ff3">）<span class="ff4">。</span></span></div><div class="t m0 x1 h2 y9 ff2 fs0 fc0 sc0 ls0 ws0">1.<span class="_ _2"> </span><span class="ff1">引言</span></div><div class="t m0 x1 h2 ya ff2 fs0 fc0 sc0 ls0 ws0">FOC<span class="ff3">（</span>Field-Oriented Control<span class="ff3">）<span class="ff1">是一种广泛应用于电机控制领域的控制策略<span class="ff4">。</span>它通过将电机的</span></span></div><div class="t m0 x1 h2 yb ff1 fs0 fc0 sc0 ls0 ws0">电流向量旋转到特定的方向<span class="ff3">，</span>使得控制变得更加简单和直观<span class="ff4">。</span>在本文中<span class="ff3">，</span>我们将介绍一种基于<span class="_ _0"> </span><span class="ff2">FPGA</span></div><div class="t m0 x1 h2 yc ff1 fs0 fc0 sc0 ls0 ws0">的<span class="_ _0"> </span><span class="ff2">FOC<span class="_ _1"> </span></span>电流环实现方案<span class="ff4">。</span></div><div class="t m0 x1 h2 yd ff2 fs0 fc0 sc0 ls0 ws0">2.<span class="_ _2"> </span><span class="ff1">电流环设计</span></div><div class="t m0 x1 h2 ye ff1 fs0 fc0 sc0 ls0 ws0">本方案仅包含基本的电流闭环<span class="ff3">，</span>以实现对电机电流的精确控制<span class="ff4">。</span>采用<span class="_ _0"> </span><span class="ff2">PI<span class="_ _1"> </span></span>控制器对闭环进行调节<span class="ff3">，</span>以</div><div class="t m0 x1 h2 yf ff1 fs0 fc0 sc0 ls0 ws0">确保输出电流与设定值的误差最小化<span class="ff4">。</span>通过处理将浮点数运算转为整数运算<span class="ff3">，</span>提高了算法的执行效率</div><div class="t m0 x1 h3 y10 ff4 fs0 fc0 sc0 ls0 ws0">。</div><div class="t m0 x1 h2 y11 ff2 fs0 fc0 sc0 ls0 ws0">3.<span class="_ _2"> </span>SVPWM<span class="_ _1"> </span><span class="ff1">算法</span></div><div class="t m0 x1 h2 y12 ff1 fs0 fc0 sc0 ls0 ws0">为了实现对电机的精确控制<span class="ff3">，</span>本方案采用了<span class="_ _0"> </span><span class="ff2">SVPWM<span class="ff3">（</span>Space Vector Pulse Width Modulation</span></div><div class="t m0 x1 h2 y13 ff3 fs0 fc0 sc0 ls0 ws0">）<span class="ff1">算法<span class="ff4">。</span>该算法通过合理控制逆变器的开关状态</span>，<span class="ff1">将电机的电流向量旋转到特定的方向</span>，<span class="ff1">从而实现对</span></div><div class="t m0 x1 h2 y14 ff1 fs0 fc0 sc0 ls0 ws0">电机的精确控制<span class="ff4">。</span>本方案采用二电平的<span class="_ _0"> </span><span class="ff2">SVPWM<span class="_ _1"> </span></span>算法<span class="ff3">，</span>简化了硬件设计<span class="ff4">。</span></div><div class="t m0 x1 h2 y15 ff2 fs0 fc0 sc0 ls0 ws0">4.<span class="_ _2"> </span><span class="ff1">采样与反馈</span></div><div class="t m0 x1 h2 y16 ff1 fs0 fc0 sc0 ls0 ws0">本方案采用了<span class="_ _0"> </span><span class="ff2">ADC<span class="ff3">（</span>Analog-to-Digital Converter<span class="ff3">）</span></span>采样技术<span class="ff3">，</span>采样器的型号为<span class="_ _0"> </span><span class="ff2">AD7928<span class="ff4">。</span></span>通</div><div class="t m0 x1 h2 y17 ff1 fs0 fc0 sc0 ls0 ws0">过采样反馈器件<span class="_ _0"> </span><span class="ff2">AS5600<span class="_ _1"> </span></span>提供的位置信号<span class="ff3">，</span>实时获取电机的角度信息<span class="ff3">，</span>从而实现对电机的精确控制<span class="ff4">。</span></div><div class="t m0 x1 h2 y18 ff2 fs0 fc0 sc0 ls0 ws0">5.<span class="_ _2"> </span><span class="ff1">通信接口</span></div><div class="t m0 x1 h2 y19 ff1 fs0 fc0 sc0 ls0 ws0">为了方便与外部设备进行数据交互<span class="ff3">，</span>本方案采用了串口通信<span class="ff4">。</span>通过串口通信<span class="ff3">，</span>可以实现电机参数的配</div><div class="t m0 x1 h2 y1a ff1 fs0 fc0 sc0 ls0 ws0">置和监测<span class="ff3">，</span>进一步提高了系统的可调性和可控性<span class="ff4">。</span></div><div class="t m0 x1 h2 y1b ff2 fs0 fc0 sc0 ls0 ws0">6.<span class="_ _2"> </span><span class="ff1">代码设计与硬件结合</span></div><div class="t m0 x1 h2 y1c ff1 fs0 fc0 sc0 ls0 ws0">在本方案中<span class="ff3">，</span>代码设计注重层次结构的清晰性和可读性<span class="ff4">。</span>通过合理划分模块和功能<span class="ff3">，</span>方便后续的代码</div><div class="t m0 x1 h2 y1d ff1 fs0 fc0 sc0 ls0 ws0">调试和维护<span class="ff4">。</span>同时<span class="ff3">，</span>代码与实际硬件相结合<span class="ff3">，</span>可以更好地理解代码在实际硬件中的工作原理<span class="ff4">。</span></div><div class="t m0 x1 h2 y1e ff2 fs0 fc0 sc0 ls0 ws0">7.<span class="_ _2"> </span><span class="ff1">提供<span class="_ _0"> </span></span>Simulink<span class="_ _1"> </span><span class="ff1">模型</span></div></div><div class="pi" data-data='{"ctm":[1.568627,0.000000,0.000000,1.568627,0.000000,0.000000]}'></div></div>