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<h1 style="color: #1a5490; font-size: 24px; font-weight: bold; text-align: center; margin: 20px 0; padding-bottom: 15px; border-bottom: 2px solid #3498db;">设备健康管理与PHM技术</h1>
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<img src="https://source.unsplash.com/800x400/?maintenance,industry" alt="配图" style="max-width: 100%; height: auto; border-radius: 8px; box-shadow: 0 4px 12px rgba(0,0,0,0.1);">
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<h2 style="color: #2c3e50; font-size: 18px; margin: 25px 0 15px 0; padding-left: 10px; border-left: 4px solid #3498db;">PHM概念</h2>
<p style="color: #333; line-height: 1.8; margin: 15px 0; text-align: justify; text-indent: 2em;">PHM(Prognostics and Health Management)即故障预测与健康管理,是实现预测性维护的核心技术体系。包括状态监测、健康评估、故障预测、决策支持四个层次。</p>
<h2 style="color: #2c3e50; font-size: 18px; margin: 25px 0 15px 0; padding-left: 10px; border-left: 4px solid #3498db;">关键技术</h2>
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<li style="margin: 8px 0; line-height: 1.8;">数据采集:多源异构数据融合</li>
<li style="margin: 8px 0; line-height: 1.8;">特征工程:敏感特征提取与选择</li>
<li style="margin: 8px 0; line-height: 1.8;">健康指标构建:融合多特征的健康度</li>
<li style="margin: 8px 0; line-height: 1.8;">退化建模:Wiener过程、指数退化模型</li>
<li style="margin: 8px 0; line-height: 1.8;">RUL预测:数据驱动与模型驱动结合</li>
<li style="margin: 8px 0; line-height: 1.8;">不确定性量化:预测区间估计</li>
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<h2 style="color: #2c3e50; font-size: 18px; margin: 25px 0 15px 0; padding-left: 10px; border-left: 4px solid #3498db;">应用框架</h2>
<p style="color: #333; line-height: 1.8; margin: 15px 0; text-align: justify; text-indent: 2em;">PHM系统实施框架:</p>
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<li style="margin: 8px 0; line-height: 1.8;">设备关键性分析,确定监测对象</li>
<li style="margin: 8px 0; line-height: 1.8;">故障模式分析,确定监测参数</li>
<li style="margin: 8px 0; line-height: 1.8;">传感器部署与数据采集</li>
<li style="margin: 8px 0; line-height: 1.8;">特征提取与健康指标构建</li>
<li style="margin: 8px 0; line-height: 1.8;">退化模型训练与验证</li>
<li style="margin: 8px 0; line-height: 1.8;">RUL预测与置信区间</li>
<li style="margin: 8px 0; line-height: 1.8;">维护决策与工单生成</li>
<li style="margin: 8px 0; line-height: 1.8;">模型更新与持续优化</li>
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<p>—— 智能制造 · 技术前沿 ——</p>
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