摘要
根据模糊时间序列的模型和算法,本文利用Type-2型模糊隶属度的"宽带"效应具有处理更多信息的特点,给出了基于Type-2模糊时间序列的预测方法,克服了Type-1模糊时间序列模型只用到一个变量进行预测的缺点。避免了只有部分观测值在预测中用到,提高了青霉素发酵过程生物质浓度预测的准确性,实现青霉素发酵过程生物质浓度的测量。
In this paper, the model of fuzzy time series is established and the algorithm is given. Since the broadband effect inherent in the membership function of type-2 fuzzv set, which would imply more information, we also established the type-2 method. Type- 2 fuzzy time series eould overcome tire disadvantage of having one variable in type-1 time series. Furthermore, we may measure the concentration in penicillin fermentation.
出处
《微计算机信息》
2009年第10期262-263,200,共3页
Control & Automation
基金
基金申请人:孙玉坤
国家"863"计划:基于模糊神经逆的生物反映过程软测量技术及优化控制(2007AA04Z179)
关键词
模糊时间序列
青霉素发酵
预测
模型
fuzzy time series
penicillin fermentation
forecast
model
