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Study on Temperature Following Control Strategy for Strong-Coupled Dual-Channel Thermal Analysis Furnace
Pages: 70-74
Year: Issue:  5
Journal: Measurement & Control Technology

Keyword:  dual-channelstrong-coupledfuzzy PIDfollowing controlconsistency;
Abstract: 量热仪作为化学品热危险性评估的主要工具之一,其热分析炉温度控制的准确性、通道间温度无差异性是保障样品放热量检测精度的前提.针对该类炉体纯滞后、大惯性及通道间强耦合的特性,提出了一种将功率补偿、模糊PID与跟随控制相结合的控制策略.此策略无需准确的数学模型,计算简单.实验结果表明,该控制策略相比于传统PID控制具有响应快、超调小、双通道温差小的特点,满足双通道热分析炉匀速升温控制中速率准确性和双通道温度一致性要求.
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