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  <front>
    <journal-meta>
      <journal-id journal-id-type="publisher-id">27</journal-id>
      <journal-title-group>
        <journal-title>《机械工程》</journal-title>
        <abbrev-journal-title>Mechanical engineering</abbrev-journal-title>
      </journal-title-group>
      <issn>ISSN：2661-3530(P)/2661-3549(O)</issn>
      <publisher>
        <publisher-name>环宇科学出版社;华文国际出版社</publisher-name>
      </publisher>
    </journal-meta>
    <article-meta>
      <article-id pub-id-type="publisher-id">26181</article-id>
      <title-group>
        <article-title>基于 PROFINET 总线通讯的轮斗挖掘机变频调速系统优化研究</article-title>
      </title-group>
      <contrib-group>
        <contrib contrib-type="author">
          <string-name>张景权</string-name>
        </contrib>
        <contrib contrib-type="author">
          <string-name>马力欣</string-name>
        </contrib>
        <contrib contrib-type="author">
          <string-name>王 辉</string-name>
        </contrib>
        <contrib contrib-type="author">
          <string-name>赵小勇</string-name>
        </contrib>
        <contrib contrib-type="author">
          <string-name>王冬冬 中煤科工集团沈阳设计研究院有限公司</string-name>
        </contrib>
        <contrib contrib-type="author">
          <string-name>宝日希勒露天煤矿</string-name>
        </contrib>
      </contrib-group>
      <pub-date pub-type="epub">
        <year>2026</year>
        <month>2</month>
      </pub-date>
      <issue>2</issue>
      <abstract>
        <p>针对高寒地区露天矿轮斗挖掘机电气控制系统存在的通讯稳定性差、变频调速精度不足、姿态定位偏差大及低温适应性弱等问题，本文以 PROFINET 现场总线为通讯核心，结合 PLC 控制、变频调速及姿态定位技术，开展系统优化研究。</p>
      </abstract>
    </article-meta>
  </front>
</article>
