Hybrid Stepping Motor.rar_Hybrid stepper Motor

<html xmlns="http://www.w3.org/1999/xhtml"> <head> <meta charset="utf-8"> <meta name="generator" content="pdf2htmlEX"> <meta http-equiv="X-UA-Compatible" content="IE=edge,chrome=1"> <link rel="stylesheet" href="https://static.pudn.com/base/css/base.min.css"> <link rel="stylesheet" href="https://static.pudn.com/base/css/fancy.min.css"> <link rel="stylesheet" href="https://static.pudn.com/prod/directory_preview_static/625bcdcf92dc900e622fbca2/raw.css"> <script src="https://static.pudn.com/base/js/compatibility.min.js"></script> <script src="https://static.pudn.com/base/js/pdf2htmlEX.min.js"></script> <script> try{ pdf2htmlEX.defaultViewer = new pdf2htmlEX.Viewer({}); }catch(e){} </script> <title></title> </head> <body> <div id="sidebar" style="display: none"> <div id="outline"> </div> </div> <div id="pf1" class="pf w0 h0" data-page-no="1"><div class="pc pc1 w0 h0"><img class="bi x0 y0 w1 h1" alt="" src="https://static.pudn.com/prod/directory_preview_static/625bcdcf92dc900e622fbca2/bg1.jpg"><div class="t m0 x1 h2 y1 ff1 fs0 fc0 sc0 ls0 ws0"><span class="fc1 sc0">中小犁电机）ｚ００２．２９（４）</span></div><div class="t m1 x2 h2 y2 ff1 fs0 fc0 sc0 ls0 ws0"><span class="fc1 sc0">基于ＤｓＰ的二相据合式步进电动机ｓＰｗＭ细分驱动</span></div><div class="t m2 x3 h3 y3 ff1 fs1 fc0 sc0 ls0 ws0"><span class="fc1 sc0">基于ＤｓＰ的二相混合式步进电动机</span></div><div class="t m3 x4 h3 y4 ff1 fs1 fc0 sc0 ls0 ws0"><span class="fc1 sc0">ＳＰＷＭ细分驱动</span></div><div class="t m4 x5 h4 y5 ff1 fs2 fc0 sc0 ls0 ws0"><span class="fc1 sc0">哈尔滨理工大学（１５００４０）李景男王旭东］：沁</span></div><div class="t m5 x6 h5 y5 ff1 fs3 fc0 sc0 ls0 ws0"><span class="fc1 sc0">丹</span></div><div class="t m6 x7 h6 y6 ff1 fs4 fc0 sc0 ls0 ws0"><span class="fc1 sc0">‘Ｊ</span></div><div class="t m7 x8 h7 y7 ff1 fs5 fc0 sc0 ls0 ws0"><span class="fc1 sc0">摘要对于二相混合式步进电动机，如果绕组电流是两相对称的正弦交流电流，电动</span></div><div class="t m8 x9 h7 y8 ff1 fs5 fc0 sc0 ls0 ws0"><span class="fc1 sc0">机将运行平稳．且具有较高的性能。在位置开环情况下，这种驱动方式实际上是～种细分驱</span></div><div class="t m9 x9 h7 y9 ff1 fs5 fc0 sc0 ls0 ws0"><span class="fc1 sc0">动。文章给出了基于ＤＳＰ的二相混合式步进电机ＳＰｗＭ驱动的软、硬件实现方法，并给出</span></div><div class="t ma xa h7 ya ff1 fs5 fc0 sc0 ls0 ws0"><span class="fc1 sc0">了实验结果．有实际意义和实用价值。</span></div><div class="t mb x8 h7 yb ff1 fs5 fc0 sc0 ls0 ws0"><span class="fc1 sc0">叙词步送电动机驱动试验</span></div><div class="t mc xb h5 yc ff1 fs3 fc0 sc0 ls0 ws0"><span class="fc1 sc0">ＴｗＯ—ｐｈａｓｅ</span></div><div class="t md xc h8 yd ff1 fs6 fc0 sc0 ls0 ws0"><span class="fc1 sc0">Ｈｙｂｒｉｄ</span></div><div class="t me xd h8 yc ff1 fs6 fc0 sc0 ls0 ws0"><span class="fc1 sc0">Ｓｔｅｐｐｉｎｇ</span></div><div class="t mf xe h9 ye ff1 fs7 fc0 sc0 ls0 ws0"><span class="fc1 sc0">Ｍｏｔｏｒ</span></div><div class="t m10 xf ha ye ff1 fs8 fc0 sc0 ls0 ws0"><span class="fc1 sc0">ＳＰＷＭ</span></div><div class="t m11 x10 h9 yf ff1 fs7 fc0 sc0 ls0 ws0"><span class="fc1 sc0">Ｍｉｎｉ—ｓｔｅｐ</span></div><div class="t m12 x11 h5 y10 ff1 fs3 fc0 sc0 ls0 ws0"><span class="fc1 sc0">Ｄｒｉｖｅｓ</span></div><div class="t m13 x12 h5 y10 ff1 fs3 fc0 sc0 ls0 ws0"><span class="fc1 sc0">Ｂａｓｅｄ</span></div><div class="t m14 x13 hb y10 ff1 fs9 fc0 sc0 ls0 ws0"><span class="fc1 sc0">ｏｎ</span></div><div class="t m15 x14 h8 y10 ff1 fs6 fc0 sc0 ls0 ws0"><span class="fc1 sc0">ＤＳＰ</span></div><div class="t m16 x15 h2 y11 ff1 fs0 fc0 sc0 ls0 ws0"><span class="fc1 sc0">Ｈａｒｂｉｎ</span></div><div class="t m17 x16 h2 y11 ff1 fs0 fc0 sc0 ls0 ws0"><span class="fc1 sc0">Ｕｎｉｖｅ</span></div><div class="t mf x17 hc y12 ff1 fsa fc0 sc0 ls0 ws0"><span class="fc1 sc0">ｒＳｉｔｙ</span></div><div class="t m6 x18 h2 y11 ff1 fs0 fc0 sc0 ls0 ws0"><span class="fc1 sc0">ｏｆ</span></div><div class="t m18 x19 h2 y11 ff1 fs0 fc0 sc0 ls0 ws0"><span class="fc1 sc0">ＳｃＩｅｎｃｅ</span></div><div class="t mf x1a h2 y11 ff1 fs0 fc0 sc0 ls0 ws0"><span class="fc1 sc0">ａｎｄ</span></div><div class="t m19 x1b h2 y12 ff1 fs0 fc0 sc0 ls0 ws0"><span class="fc1 sc0">Ｔｅｃｈｎｏｌｏｇｙ</span></div><div class="t m17 x1c hc y13 ff1 fsa fc0 sc0 ls0 ws0"><span class="fc1 sc0">Ｌｉ</span></div><div class="t m1a x1d h7 y12 ff1 fs5 fc0 sc0 ls0 ws0"><span class="fc1 sc0">Ｊｉｎｇｎａｎ，Ｗ－ｎｇ</span></div><div class="t m1b x1e h7 y12 ff1 fs5 fc0 sc0 ls0 ws0"><span class="fc1 sc0">Ｘｕｄ蛐ｇ</span></div><div class="t m1c x1f hc y14 ff1 fsa fc0 sc0 ls0 ws0"><span class="fc1 sc0">Ａｂｓｔｒａｃｔ：Ｔｏ</span></div><div class="t m1d x20 h2 y14 ff1 fs0 fc0 sc0 ls0 ws0"><span class="fc1 sc0">ｔｈｅ</span></div><div class="t m1e x21 hc y14 ff1 fsa fc0 sc0 ls0 ws0"><span class="fc1 sc0">ｔｗｏ</span></div><div class="t mf xc h2 y15 ff1 fs0 fc0 sc0 ls0 ws0"><span class="fc1 sc0">ｐｈａｓｅ</span></div><div class="t m1f x22 h2 y15 ff1 fs0 fc0 sc0 ls0 ws0"><span class="fc1 sc0">ｈｙｂｒｉｄ</span></div><div class="t m20 x23 h2 y15 ff1 fs0 fc0 sc0 ls0 ws0"><span class="fc1 sc0">ｓｔｅｐｐｉｎｇ</span></div><div class="t m21 x24 h2 y14 ff1 fs0 fc0 sc0 ls0 ws0"><span class="fc1 sc0">ｍｏｔｏｒ．ｉｆ</span></div><div class="t m1d x25 h2 y14 ff1 fs0 fc0 sc0 ls0 ws0"><span class="fc1 sc0">ｔｈｅ</span></div><div class="t m22 x26 h2 y15 ff1 fs0 fc0 sc0 ls0 ws0"><span class="fc1 sc0">ｗｉｎｄｉｎｇ</span></div><div class="t m1e x1e h6 y14 ff1 fs4 fc0 sc0 ls0 ws0"><span class="fc1 sc0">ｃｕｒｒｅｎｔ</span></div><div class="t m6 x27 hc y14 ff1 fsa fc0 sc0 ls0 ws0"><span class="fc1 sc0">ｉｓ</span></div><div class="t m23 x28 h2 y14 ff1 fs0 fc0 sc0 ls0 ws0"><span class="fc1 sc0">ｔｗｏ</span></div><div class="t m24 x9 hb y16 ff1 fs9 fc0 sc0 ls0 ws0"><span class="fc1 sc0">ｐｈａｓｅ</span></div><div class="t mf x29 h2 y17 ff1 fs0 fc0 sc0 ls0 ws0"><span class="fc1 sc0">ｓｙｍｍｅｔｒｉｃａｌ</span></div><div class="t m25 x2a h2 y18 ff1 fs0 fc0 sc0 ls0 ws0"><span class="fc1 sc0">ＡＣ</span></div><div class="t m26 x5 h2 y16 ff1 fs0 fc0 sc0 ls0 ws0"><span class="fc1 sc0">ｃｕｒｒｅｎｔ，ｔｈｅ</span></div><div class="t m17 x2b h2 y18 ff1 fs0 fc0 sc0 ls0 ws0"><span class="fc1 sc0">ｍｏｔｏｒ</span></div><div class="t m27 x23 h2 y18 ff1 fs0 fc0 sc0 ls0 ws0"><span class="fc1 sc0">ｗｉｌｌ</span></div><div class="t mf x2c h2 y18 ff1 fs0 fc0 sc0 ls0 ws0"><span class="fc1 sc0">ｈａｖｅ</span></div><div class="t m1b x2d h2 y18 ff1 fs0 fc0 sc0 ls0 ws0"><span class="fc1 sc0">ｂｅｔｔｅｒ</span></div><div class="t m28 x2e h2 y16 ff1 fs0 fc0 sc0 ls0 ws0"><span class="fc1 sc0">ｐｅｒｆｏｒｍａｎｃｅ</span></div><div class="t m29 x2f hc y18 ff1 fsa fc0 sc0 ls0 ws0"><span class="fc1 sc0">ａｎｄ</span></div><div class="t m14 x30 h6 y18 ff1 fs4 fc0 sc0 ls0 ws0"><span class="fc1 sc0">ｒｕｎ</span></div><div class="t m2a x7 h2 y16 ff1 fs0 fc0 sc0 ls0 ws0"><span class="fc1 sc0">ｓｍｏ。ｔｈｌｙ．</span></div><div class="t mc x9 h2 y19 ff1 fs0 fc0 sc0 ls0 ws0"><span class="fc1 sc0">Ｕｎｄｅｒ</span></div><div class="t m1d x31 h2 y1a ff1 fs0 fc0 sc0 ls0 ws0"><span class="fc1 sc0">ｔｈｅ</span></div><div class="t m2b x32 h2 y1a ff1 fs0 fc0 sc0 ls0 ws0"><span class="fc1 sc0">ｃｏｎｄｉｔｉｏｎ</span></div><div class="t m1b x33 h2 y1a ff1 fs0 fc0 sc0 ls0 ws0"><span class="fc1 sc0">ｏｆ</span></div><div class="t m2c x34 hc y1b ff1 fsa fc0 sc0 ls0 ws0"><span class="fc1 sc0">ｏｐｅｎ</span></div><div class="t m20 x35 h2 y19 ff1 fs0 fc0 sc0 ls0 ws0"><span class="fc1 sc0">ｌｏｏｐ</span></div><div class="t mf x22 h2 y1a ff1 fs0 fc0 sc0 ls0 ws0"><span class="fc1 sc0">ｗｉｔｈ</span></div><div class="t m2d x36 hc y1b ff1 fsa fc0 sc0 ls0 ws0"><span class="fc1 sc0">ｐｏｓｉｔｉｏｎ，ｔｈｉｓ</span></div><div class="t m2e x37 h2 y1b ff1 fs0 fc0 sc0 ls0 ws0"><span class="fc1 sc0">ｄｒｉｖｉｎｇ</span></div><div class="t m2f x38 h2 y1a ff1 fs0 fc0 sc0 ls0 ws0"><span class="fc1 sc0">ｍｏｄｅ</span></div><div class="t m6 x39 hc y1a ff1 fsa fc0 sc0 ls0 ws0"><span class="fc1 sc0">ｉｓ</span></div><div class="t md x3a h6 y1a ff1 fs4 fc0 sc0 ls0 ws0"><span class="fc1 sc0">ａ</span></div><div class="t m20 x3b h2 y1a ff1 fs0 fc0 sc0 ls0 ws0"><span class="fc1 sc0">ｍｉｎｉ</span></div><div class="t m17 x3c hc y1b ff1 fsa fc0 sc0 ls0 ws0"><span class="fc1 sc0">ｓｔｅｐ</span></div><div class="t m30 x3d h2 y1a ff1 fs0 fc0 sc0 ls0 ws0"><span class="fc1 sc0">ｄ“ｖｅ</span><span class="_ _0"> </span><span class="fsa"><span class="fc1 sc0">ｉｎ</span></span></div><div class="t m31 x9 h2 y1c ff1 fs0 fc0 sc0 ls0 ws0"><span class="fc1 sc0">ｆａｃｔ．</span></div><div class="t mf x3e h2 y1c ff1 fs0 fc0 sc0 ls0 ws0"><span class="fc1 sc0">Ｔｈｉｓ</span></div><div class="t m32 x3f hc y1d ff1 fsa fc0 sc0 ls0 ws0"><span class="fc1 sc0">ｐａｐｅｒ</span></div><div class="t m33 x40 hc y1c ff1 fsa fc0 sc0 ls0 ws0"><span class="fc1 sc0">ｒｅａｌｉｚｅｓ</span></div><div class="t m1d x41 h2 y1c ff1 fs0 fc0 sc0 ls0 ws0"><span class="fc1 sc0">ｔｈｅ</span></div><div class="t m34 x42 h7 y1c ff1 fs5 fc0 sc0 ls0 ws0"><span class="fc1 sc0">ＳＰＷＭ</span></div><div class="t m30 x43 h2 y1c ff1 fs0 fc0 sc0 ls0 ws0"><span class="fc1 sc0">ｄｒｉｖｅ</span></div><div class="t m1b x44 h2 y1c ff1 fs0 fc0 sc0 ls0 ws0"><span class="fc1 sc0">ｏｆ</span></div><div class="t m35 x45 h2 y1d ff1 fs0 fc0 sc0 ls0 ws0"><span class="fc1 sc0">ｔｗｏ—ｐｈａｓｅ</span></div><div class="t m1f x1d h2 y1d ff1 fs0 fc0 sc0 ls0 ws0"><span class="fc1 sc0">ｈｙｂｒｉｄ</span></div><div class="t m36 x46 hc y1d ff1 fsa fc0 sc0 ls0 ws0"><span class="fc1 sc0">ｓｔｅｐｐｉｎｇ</span></div><div class="t m17 x30 h2 y1c ff1 fs0 fc0 sc0 ls0 ws0"><span class="fc1 sc0">ｍｏｔｏｒ</span></div><div class="t mf x47 h2 y1c ff1 fs0 fc0 sc0 ls0 ws0"><span class="fc1 sc0">ｂｏｔｈ</span></div><div class="t m6 x48 h2 y1c ff1 fs0 fc0 sc0 ls0 ws0"><span class="fc1 sc0">Ｉｎ</span></div><div class="t m37 x9 h2 y1e ff1 fs0 fc0 sc0 ls0 ws0"><span class="fc1 sc0">ｈａｒｄｗａｒｅ</span></div><div class="t mf x49 h2 y1e ff1 fs0 fc0 sc0 ls0 ws0"><span class="fc1 sc0">ａｎｄ</span></div><div class="t m38 x4a h2 y1e ff1 fs0 fc0 sc0 ls0 ws0"><span class="fc1 sc0">ｓｏｆｔｗａｒｅ</span></div><div class="t mf x4b h2 y1e ff1 fs0 fc0 sc0 ls0 ws0"><span class="fc1 sc0">ｂａｓｅｄ</span></div><div class="t m14 x4c h6 y1e ff1 fs4 fc0 sc0 ls0 ws0"><span class="fc1 sc0">ｏｎ</span></div><div class="t m37 x2 hc y1e ff1 fsa fc0 sc0 ls0 ws0"><span class="fc1 sc0">ＤＳＰ．</span></div><div class="t m1d x4d h2 y1e ff1 fs0 fc0 sc0 ls0 ws0"><span class="fc1 sc0">Ｂｅｓｉｄｅｓ，ｔｈｅ</span></div><div class="t m39 x4e h2 y1f ff1 fs0 fc0 sc0 ls0 ws0"><span class="fc1 sc0">ｓｔａｔｏ卜ｗｉｎｄｉｎｇ</span></div><div class="t m1e x4f h6 y1e ff1 fs4 fc0 sc0 ls0 ws0"><span class="fc1 sc0">ｃｕｒｒｅｎｔ</span></div><div class="t m3a x3c h2 y20 ff1 fs0 fc0 sc0 ls0 ws0"><span class="fc1 sc0">ｅｘｐｅｒｉｍｅｎｔａｌ</span></div><div class="t m3b x9 h6 y21 ff1 fs4 fc0 sc0 ls0 ws0"><span class="fc1 sc0">ｃｕｒｖｅｓ</span></div><div class="t m3c x31 hd y21 ff1 fsb fc0 sc0 ls0 ws0"><span class="fc1 sc0">ａｒｅ</span></div><div class="t m35 x50 h2 y22 ff1 fs0 fc0 sc0 ls0 ws0"><span class="fc1 sc0">ｇｉｖｅｎ</span></div><div class="t m3d x51 h2 y21 ff1 fs0 fc0 sc0 ls0 ws0"><span class="fc1 sc0">ｏｕｔ，ｆｅｓｕｉｔ</span></div><div class="t m1d xc h2 y23 ff1 fs0 fc0 sc0 ls0 ws0"><span class="fc1 sc0">ｈａｓ</span></div><div class="t m3e x52 h2 y22 ff1 fs0 fc0 sc0 ls0 ws0"><span class="fc1 sc0">ｐｒａｃｃｉｃａｌ</span></div><div class="t m6 x53 hb y22 ff1 fs9 fc0 sc0 ls0 ws0"><span class="fc1 sc0">ｓｉｇｎｉｆｉｃａｎｃｅ</span></div><div class="t mf x4e h2 y21 ff1 fs0 fc0 sc0 ls0 ws0"><span class="fc1 sc0">ａｎｄ</span></div><div class="t m3f xe h2 y22 ff1 fs0 fc0 sc0 ls0 ws0"><span class="fc1 sc0">ｐｒａｃｔｉｃａｂｉ“ｃｙ．</span></div><div class="t m1e x54 hc y24 ff1 fsa fc0 sc0 ls0 ws0"><span class="fc1 sc0">Ｋｅｙ</span></div><div class="t m40 x3 h7 y24 ff1 fs5 fc0 sc0 ls0 ws0"><span class="fc1 sc0">ｗｏｒｄｓ：Ｓｔ印ｐｍｇ</span></div><div class="t m17 x55 h2 y25 ff1 fs0 fc0 sc0 ls0 ws0"><span class="fc1 sc0">ｍｏｔｏｒ</span></div><div class="t m35 x2 h2 y25 ff1 fs0 fc0 sc0 ls0 ws0"><span class="fc1 sc0">Ｄｒｉｖｅ</span></div><div class="t mf x1b h2 y25 ff1 fs0 fc0 sc0 ls0 ws0"><span class="fc1 sc0">Ｔｅｓｔ</span></div><div class="t m41 x56 h8 y26 ff1 fs6 fc0 sc0 ls0 ws0"><span class="fc1 sc0">ｌ引言</span></div><div class="t m8 x57 h7 y27 ff1 fs5 fc0 sc0 ls0 ws0"><span class="fc1 sc0">混合式步进电动机因其具有运行频率高、动态</span></div><div class="t m42 x58 h7 y28 ff1 fs5 fc0 sc0 ls0 ws0"><span class="fc1 sc0">力矩大、波动小、运转平稳、低噪声、定位精度和分</span></div><div class="t m8 x59 h7 y29 ff1 fs5 fc0 sc0 ls0 ws0"><span class="fc1 sc0">辨率高等优点，已广泛应用于诸如数控装置、机械</span></div><div class="t m42 x59 h7 y2a ff1 fs5 fc0 sc0 ls0 ws0"><span class="fc1 sc0">手、商业机器、自动化仪器、印刷、服装加工和包装</span></div><div class="t m43 x59 h7 y2b ff1 fs5 fc0 sc0 ls0 ws0"><span class="fc1 sc0">设备、军事设备等机电一体化设备中“１。</span></div><div class="t m44 x56 h7 y2c ff1 fs5 fc0 sc0 ls0 ws0"><span class="fc1 sc0">采用电力电子器件构成的变频器绘电动机供</span></div><div class="t m8 x58 h7 y2d ff1 fs5 fc0 sc0 ls0 ws0"><span class="fc1 sc0">电后，传统的连续旋转磁动势变为不可实现的理想</span></div><div class="t m45 x58 h7 y2e ff1 fs5 fc0 sc0 ls0 ws0"><span class="fc1 sc0">目标．由阶梯电流波构成的步进磁动势成为电动机</span></div><div class="t m8 x59 h7 y2f ff1 fs5 fc0 sc0 ls0 ws0"><span class="fc1 sc0">的实际特性。步进电动机的细分控制，较为理想的</span></div><div class="t m8 x58 h7 y30 ff1 fs5 fc0 sc0 ls0 ws0"><span class="fc1 sc0">电流波形是离散的正弦函数。步进电动机的气隙磁</span></div><div class="t m8 x59 h7 y31 ff1 fs5 fc0 sc0 ls0 ws0"><span class="fc1 sc0">动势包含着较大和较多的空间谐波．改进的办法是</span></div><div class="t m46 x59 h7 y32 ff1 fs5 fc0 sc0 ls0 ws0"><span class="fc1 sc0">增加环形分配器的循环拍数。或者说采用细分驱</span></div><div class="t m47 x59 hb y33 ff1 fs9 fc0 sc0 ls0 ws0"><span class="fc1 sc0">动。ｌ。</span></div><div class="t m48 x56 h7 y34 ff1 fs5 fc0 sc0 ls0 ws0"><span class="fc1 sc0">研究表明．步进电动机相数越多或拍数越多，</span></div><div class="t m49 x45 h7 y35 ff1 fs5 fc0 sc0 ls0 ws0"><span class="fc1 sc0">步距角越小，进入稳定区域越容易，起动频率就越</span></div><div class="t m4a x45 hb y36 ff1 fs9 fc0 sc0 ls0 ws0"><span class="fc1 sc0">高…。</span></div><div class="t m8 x5a h7 y27 ff1 fs5 fc0 sc0 ls0 ws0"><span class="fc1 sc0">步进电机的主要优点是定位精度高，无积累位</span></div><div class="t m8 x5b h7 y28 ff1 fs5 fc0 sc0 ls0 ws0"><span class="fc1 sc0">置误差，其开环运行的机制大大减少了系统成本。</span></div><div class="t m49 x45 h7 y29 ff1 fs5 fc0 sc0 ls0 ws0"><span class="fc1 sc0">但是存在着缺点：转速不够平稳，运行会发生振荡</span></div><div class="t m49 x45 h7 y2a ff1 fs5 fc0 sc0 ls0 ws0"><span class="fc1 sc0">现象。当电机和负载已经确定之后，整个驱动系统</span></div><div class="t m8 x5b h7 y37 ff1 fs5 fc0 sc0 ls0 ws0"><span class="fc1 sc0">的性能就完全取决于驱动电源和控制方法，采取什</span></div><div class="t m46 x5b h7 y2c ff1 fs5 fc0 sc0 ls0 ws0"><span class="fc1 sc0">么样的驱动电源和控制是步进电机的一个重要研</span></div><div class="t m4b x5b h7 y2d ff1 fs5 fc0 sc0 ls0 ws0"><span class="fc1 sc0">究课题。目前各种步进电机控制电路和方法很</span></div><div class="t m4c x5b h7 y2e ff1 fs5 fc0 sc0 ls0 ws0"><span class="fc1 sc0">多ｕ·．控制效果较好的是细分控制法。</span></div><div class="t m20 x5a h7 y38 ff1 fs5 fc0 sc0 ls0 ws0"><span class="fc1 sc0">２</span></div><div class="t m4d x5c he y39 ff1 fsc fc0 sc0 ls0 ws0"><span class="fc1 sc0">ＳＰｗＭ细分驱动</span></div><div class="t m44 x5a h7 y3a ff1 fs5 fc0 sc0 ls0 ws0"><span class="fc1 sc0">步进电机步距角细分是通过改变步进电机相</span></div><div class="t m8 x5b h7 y3b ff1 fs5 fc0 sc0 ls0 ws0"><span class="fc1 sc0">电流的方法来实现的。通常采用电流矢量恒幅均匀</span></div><div class="t m4e x45 h7 y3c ff1 fs5 fc0 sc0 ls0 ws0"><span class="fc1 sc0">旋转的细分方法，靶同时改变两相电流ｉ一和ｉａ的</span></div><div class="t m4f x5b h7 y3d ff1 fs5 fc0 sc0 ls0 ws0"><span class="fc1 sc0">大小，使电流合成矢量ｉ“等幅均匀旋转，确保了</span></div><div class="t m6 x59 h8 y3e ff2 fs6 fc0 sc0 ls0 ws0"><span class="fc1 sc0">万方数据</span></div></div><div class="pi" data-data='{"ctm":[1.851296,0.000000,0.000000,1.851296,0.000000,0.000000]}'></div></div> </body> </html>