In this paper,a novel fuzzy neural network model,in which an adjustable fuzzy sub-space was designed by uniform design,has been established and used in fed-batch yeast fermentationas an example.A brand-new optimizatio...In this paper,a novel fuzzy neural network model,in which an adjustable fuzzy sub-space was designed by uniform design,has been established and used in fed-batch yeast fermentationas an example.A brand-new optimization sub-network with special structure has been built andgenetic algorithm,guaranteeing the optimization in overall space,is introduced for the feed rateoptimization.On the basis of the model network,the optimal substrate concentration and theoptimal amount of fed-batch at different periods have been studied,aided with the optimizationnetwork and the genetic algorithm separately.The above results can be used as a basis for theestablishment of a fuzzy neural network controller.展开更多
Using genetic algorithms(GA)for medium optimization of xylitol fermentation,and coupling neural networks model for predicting xylitol concentration is introduced.The medium compose determinated by GA is as input data ...Using genetic algorithms(GA)for medium optimization of xylitol fermentation,and coupling neural networks model for predicting xylitol concentration is introduced.The medium compose determinated by GA is as input data of the neural networks,while the output data predicted by neural networks is as suitable value of GA for predicting.The optimum medium is further validated by experimentation.The good result,which save the experimental workload and charge,enhance the level of xylitol fermentation as well as reduced the medium consume is obtained.展开更多
基金Supported by the National Natural Science Foundation of China,No.29476248 and Trans-Century Training Program Foundation for the Talents by the State Education Commission.
文摘In this paper,a novel fuzzy neural network model,in which an adjustable fuzzy sub-space was designed by uniform design,has been established and used in fed-batch yeast fermentationas an example.A brand-new optimization sub-network with special structure has been built andgenetic algorithm,guaranteeing the optimization in overall space,is introduced for the feed rateoptimization.On the basis of the model network,the optimal substrate concentration and theoptimal amount of fed-batch at different periods have been studied,aided with the optimizationnetwork and the genetic algorithm separately.The above results can be used as a basis for theestablishment of a fuzzy neural network controller.
文摘Using genetic algorithms(GA)for medium optimization of xylitol fermentation,and coupling neural networks model for predicting xylitol concentration is introduced.The medium compose determinated by GA is as input data of the neural networks,while the output data predicted by neural networks is as suitable value of GA for predicting.The optimum medium is further validated by experimentation.The good result,which save the experimental workload and charge,enhance the level of xylitol fermentation as well as reduced the medium consume is obtained.
