A Neural Network Observer for Injection Rate Estimation in Common Rail Injectors with Nozzle Wear
A Neural Network Observer for Injection Rate Estimation in Common Rail Injectors with Nozzle Wear
复制标题
用于估计喷嘴磨损共轨喷油器喷油率的神经网络观测器
DOI:
10.1007/978-3-319-91217-2_19
复制
发表时间:
2018
期刊:
影响因子:
--
通讯作者:
Kiener
中科院分区:
文献类型:
--
作者:
Hofmann;Kiener
The objective of this study is to present a neural observer that estimates changing injection behavior due to wear and aging effects within the nozzle of a common rail diesel injector. Using a dynamic identification system in combination with a modified learning rule, the neural observer is applicable to a wide range of problem sets. A multilayer perceptron (MLP) network with three layers and few neurons in the hidden layer ensures fast computing and high efficiency; network learning is based on quasi-Newton optimization and an additional line search algorithm. Modeling the bottom part of the injector introduces a simulation model, which is validated with experimental data from a solenoid common rail diesel injector. Estimation results conform well with the altered plant and therefore demonstrate the significant benefit of using the proposed neural network observer concept.
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