火灾模拟实验智能测控系统

来源期刊:中南大学学报(自然科学版)2005年第6期

论文作者:赵望达 徐志胜 吴敏 段方英

文章页码:1054 - 1058

关键词:火灾模拟实验;智能通信;主元分析;神经网络;智能PID控制

Key words:fire simulated experimen;t intelligent communication; principle component analysis; neural network; intelligentPID control

摘    要:按国际标准ISO834升温特性,针对火灾模拟实验炉开发了一套火灾模拟实验过程智能测控系统。该系统包含带智能通信的多路温度采集、带主元分析神经网络炉温数据融合、炉温智能PID控制等多种智能信息处理技术。智能通信同时拥有RS-485串行和EPP并行接口,保证了所采集的多路温度数据的实时性;采用带主元分析和RBF神经网络的炉温数据融合模型使炉温估计精度比采用常规的最小二乘方法所得的拟合精度明显提高;采用智能PID控制则使炉膛的实际升温曲线符合ISO834国际标准升温要求。

Abstract: An intelligent test and control system for fire simulated experimentprocess is developed based on temperature rising speciality of fire simulated experiment furnace according to international standard ISO834. This system combinesmulti-technique of intelligent information process such asmulti-loops temperature collectionwith intelligentcommunication, furnace temperature data fusionwith principle component analysis neural network and furnace temperature intelligent PID contro.l W ith RS-485 serial and EPP parallel interface simultaneously, intelligent communication can ensure the real time characteristics of collectedmulti-loops temperature data. Furnace temperature data fusion modelwith principle component analysis and RBF neuralnetworkmakes the estimate precision of furnace temperature 2 times higher than that of general least square.The intelligent PID controlmakes the practical furnace temperature curve wellmeetwith standard ISO834.

基金信息:国家“十五”科技攻关项目
湖南省科技厅计划项目

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