| 液压泵效率特性建模的神经网络方法 |
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| 引用本文： | 彭熙伟,杨会菊.液压泵效率特性建模的神经网络方法[J].机械工程学报,2009,45(8):106-111. |
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| 作者姓名： | 彭熙伟 杨会菊 |
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| 作者单位： | 北京理工大学自动化学院;中国运载火箭技术研究院第十五研究所 |
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| 摘 要： | 通过对液压泵效率特性的分析，研究液压泵效率特性的神经网络建模方法。以排量为39.57 cm3/r的柱塞液压泵作为建模对象，以少量的试验数据作为神经网络的训练样本，采用3层BP神经网络加贝叶斯正则化方法对网络进行训练，建立液压泵的流量和转矩模型，并以此为基础计算液压泵的总效率。选取不同转速和压差下的试验数据，对流量和转矩神经网络模型的泛化能力进行检验，结果表明，液压泵的总效率误差在0.2%以内。
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| 关 键 词： | 神经网络 液压泵 液压泵容积效率 液压泵总效率 |
Modeling the Efficiency Characteristics of Hydraulic Pump via Neural Networks |
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| PENG Xiwei,YANG Huiju.Modeling the Efficiency Characteristics of Hydraulic Pump via Neural Networks[J].Chinese Journal of Mechanical Engineering,2009,45(8):106-111. |
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| Authors: | PENG Xiwei YANG Huiju |
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| Affiliation: | School of Automation, Beijing Institute of Technology The 15th Institute, China Academy of Launch Vehicle Technology |
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| Abstract: | After the efficiency characteristics of hydraulic pump are analyzed, the modeling method for the efficiency characteristics of hydraulic pump is studied based on neural networks.The piston pump with displacement 39.57 cm3/r is used as the modeling object, and a few of experimental data are used as the training examples of neural networks.The networks are trained by using three-layer BP neural networks and Bayesian regularization, and the flow and torque of the hydraulic pump are modeled.The total efficiency... |
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| Keywords: | Hydraulic pump Hydraulic pump total efficiency Hydraulic pump volumetric efficiency Neural networks |
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