PID软件的执行时间确定了两个系统性能指标
时间：10-02
整理：3721RD
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<p class="MsoNormal" style="MARGIN: 4.5pt 0cm="0cm" 9pt; LINE-HEIGHT: 19.5pt; TEXT-ALIGN: left; mso-pagination: widow-orphan" align="left"><span style="FONT-FAMILY: 微软雅黑; mso-bidi-font-family: Arial; mso-font-kerning: 0pt; mso-bidi-font-size: 10.5pt"> <span lang="EN-US">1. PID</span>迭代速率，由它确定控制回路更新之间的时间。<span lang="EN-US"><?xml:namespace prefix = o ns = "urn:schemas-microsoft-com:office:office" /><o:p></o:p></span></span></p>
<p class="MsoNormal" style="MARGIN: 4.5pt 0cm="0cm" 9pt; LINE-HEIGHT: 19.5pt; TEXT-ALIGN: left; mso-pagination: widow-orphan" align="left"><span style="FONT-FAMILY: 微软雅黑; mso-bidi-font-family: Arial; mso-font-kerning: 0pt; mso-bidi-font-size: 10.5pt"> <span lang="EN-US">2. PID</span>执行时间，是反馈采样和<span lang="EN-US">PWM</span>更新之间的关键路径。<span lang="EN-US"><o:p></o:p></span></span></p><span style="FONT-SIZE: 10.5pt; FONT-FAMILY: 微软雅黑; mso-bidi-font-family: Arial; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA"> <span lang="EN-US">ADC</span>以固定的时间间隔中断，供<span lang="EN-US">DSC</span>执行<span lang="EN-US">PID</span>控制循环。任何可在“闲置循环”内执行的系统函数均应在<span lang="EN-US">PID</span>控制软件循环外执行。诸如升压<span lang="EN-US">/</span>降压、错误检测和前馈计算等函数，以及通信支持程序均可在闲置循环内执行。任何其他由中断驱动的进程<span lang="EN-US">(</span>比如通信<span lang="EN-US">)</span>的优先级必须低于<span lang="EN-US">PID</span>循环。</span>
<p class="MsoNormal" style="MARGIN: 4.5pt 0cm="0cm" 9pt; LINE-HEIGHT: 19.5pt; TEXT-ALIGN: left; mso-pagination: widow-orphan" align="left"><span style="FONT-FAMILY: 微软雅黑; mso-bidi-font-family: Arial; mso-font-kerning: 0pt; mso-bidi-font-size: 10.5pt"> <span lang="EN-US">1. PID</span>迭代速率，由它确定控制回路更新之间的时间。<span lang="EN-US"><?xml:namespace prefix = o ns = "urn:schemas-microsoft-com:office:office" /><o:p></o:p></span></span></p>
<p class="MsoNormal" style="MARGIN: 4.5pt 0cm="0cm" 9pt; LINE-HEIGHT: 19.5pt; TEXT-ALIGN: left; mso-pagination: widow-orphan" align="left"><span style="FONT-FAMILY: 微软雅黑; mso-bidi-font-family: Arial; mso-font-kerning: 0pt; mso-bidi-font-size: 10.5pt"> <span lang="EN-US">2. PID</span>执行时间，是反馈采样和<span lang="EN-US">PWM</span>更新之间的关键路径。<span lang="EN-US"><o:p></o:p></span></span></p><span style="FONT-SIZE: 10.5pt; FONT-FAMILY: 微软雅黑; mso-bidi-font-family: Arial; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA"> <span lang="EN-US">ADC</span>以固定的时间间隔中断，供<span lang="EN-US">DSC</span>执行<span lang="EN-US">PID</span>控制循环。任何可在“闲置循环”内执行的系统函数均应在<span lang="EN-US">PID</span>控制软件循环外执行。诸如升压<span lang="EN-US">/</span>降压、错误检测和前馈计算等函数，以及通信支持程序均可在闲置循环内执行。任何其他由中断驱动的进程<span lang="EN-US">(</span>比如通信<span lang="EN-US">)</span>的优先级必须低于<span lang="EN-US">PID</span>循环。</span>
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