Article(id=1149781955945919116, tenantId=1146029695717560320, journalId=1146123166801305609, issueId=1149781952959574654, articleNumber=null, orderNo=null, doi=10.12404/j.issn.1671-1815.2403249, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=research-article, receivedDate=1714579200000, receivedDateStr=2024-05-02, revisedDate=1734883200000, revisedDateStr=2024-12-23, acceptedDate=null, acceptedDateStr=null, onlineDate=1752058980212, onlineDateStr=2025-07-09, pubDate=1743091200000, pubDateStr=2025-03-28, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1752058980212, onlineIssueDateStr=2025-07-09, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1752058980212, creator=13701087609, updateTime=1752058980212, updator=13701087609, issue=Issue{id=1149781952959574654, tenantId=1146029695717560320, journalId=1146123166801305609, year='2025', volume='25', issue='9', pageStart='3529', pageEnd='3967', issueExtLink='null', onlineDate='null', pubDate='null', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=-1, specialIssue=0, createTime=1752058979501, creator=13701087609, updateTime=1776333392421, updator=13701087609, preIssue=null, nextIssue=null, ext={EN=IssueExt(id=1251596220226027613, tenantId=1146029695717560320, journalId=1146123166801305609, issueId=1149781952959574654, language=EN, specialIssueTitle=, coverIllustrator=, specialIssueEditor=, specialIssueAbout=), CN=IssueExt(id=1251596220226027614, tenantId=1146029695717560320, journalId=1146123166801305609, issueId=1149781952959574654, language=CN, specialIssueTitle=, coverIllustrator=, specialIssueEditor=, specialIssueAbout=)}, issueFiles=null}, startPage=3896, endPage=3904, ext={EN=ArticleExt(id=1149781956122079886, articleId=1149781955945919116, tenantId=1146029695717560320, journalId=1146123166801305609, language=EN, title=Vehicle Fuel Consumption Prediction Method Based on Hyperband-CNN-BiLSTM Model, columnId=1156262728772735295, journalTitle=Science Technology and Engineering, columnName=Papers·Traffics and Transportations, runingTitle=null, highlight=null, articleAbstract=
In order to effectively predict the fuel consumption of vehicles, improve fuel economy and promote energy saving and emission reduction, a Hyperband-CNN-BiLSTM-based motor vehicle fuel consumption prediction method was proposed. Firstly, based on the vehicle operating status data and fuel consumption data collected from the actual road test, the salient factors affecting the fuel consumption of vehicles were analyzed. Secondly, combining the powerful feature extraction capability of convolutional neural network(CNN) and the advantages of bidirectional long and short-term memory network (BiLSTM) in dealing with the time-series data, a combined model of vehicle fuel consumption prediction based on CNN-BiLSTM was constructed. Then, in order to improve the model prediction accuracy, the combined model was optimized by Hyperband optimization algorithm, and the vehicle fuel consumption influencing factors were taken as the model input features to train the model to realize the modeling and prediction of vehicle fuel consumption. Finally, CNN, LSTM, BiLSTM, CNN-LSTM and CNN-BILSTM were selected as comparison models to evaluate the effect of Hyperband-CNN-BiLSTM prediction model. The results show that compared with other models, the Hyperband-CNN-BiLSTM model has the smallest mean absolute error (MAE) and root mean squared error (RMSE). They are 0.057 69 and 0.119 25, respectively. R2 is the largest (0.991 76), and the model has the best prediction effect.
, correspAuthors=Mamaiti TURSON, authorNote=null, correspAuthorsNote=null, copyrightStatement=null, copyrightOwner=null, extLink=null, articleAbsUrl=null, sourceXml=null, magXml=null, pdfUrl=null, pdf=null, pdfFileSize=null, pdfExtLink=null, richHtmlUrl=null, mobilePdfUrl=null, reviewReport=null, pdfFirstPage=null, abstractGraph=null, abstractGraphContent=null, abstractVideo=null, citation=null, cebUrl=null, magXmlContent=null, mapNumber=null, authorCompany=null, fund=null, authors=null, authorsList=Mamaiti TURSON, Hui SUN, Ya-lou LIU), CN=ArticleExt(id=1149781982827213803, articleId=1149781955945919116, tenantId=1146029695717560320, journalId=1146123166801305609, language=CN, title=基于Hyperband-CNN-BiLSTM模型的车辆油耗预测方法, columnId=1156262730664366426, journalTitle=科学技术与工程, columnName=论文·交通运输, runingTitle=null, highlight=null, articleAbstract=
为了有效地预测车辆的燃油消耗,提高燃油经济性并推动节能减排,提出一种基于Hyperband-CNN-BiLSTM的机动车油耗预测方法。首先基于实际道路测试收集到的车辆运行状态数据和油耗数据,分析了影响车辆油耗的显著性因素;其次结合卷积神经网络(convolutional neural network,CNN)强大的特征提取能力和双向长短期记忆网络(bidirectional long short-term memory,BiLSTM)在处理时序数据方面的优势,构建了基于CNN-BiLSTM的车辆油耗预测组合模型;然后,为提高模型预测准确性,通过Hyperband优化算法对组合模型进行优化,并将车辆油耗影响因素作为模型输入特征,对模型进行训练,实现对车辆油耗的建模和预测;最后,选取CNN、LSTM、BiLSTM、CNN-LSTM、CNN-BiLSTM作为对比模型,对Hyperband-CNN-BiLSTM预测模型效果进行评价。结果表明,相较于其他模型,Hyperband-CNN-BiLSTM模型的平均绝对误差(mean absolute error,MAE)和均方根误差(root mean squared error,RMSE)最小,分别为0.057 69和0.119 25,R2最大,为0.991 76,模型预测效果最佳。
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吐尔逊·买买提(1978—),男,维吾尔族,新疆阿克苏人,博士,副教授。研究方向:交通环境、数据挖掘。E-mail:Tursun@xjau.edu.cn。
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吐尔逊·买买提(1978—),男,维吾尔族,新疆阿克苏人,博士,副教授。研究方向:交通环境、数据挖掘。E-mail:Tursun@xjau.edu.cn。
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18(185): 1-52., articleTitle=Hyperband: a novel bandit-based approach to hyperparameter optimization, refAbstract=null)], funds=null, companyList=[AuthorCompany(id=1251595993297400254, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1149781955945919116, xref=null, ext=[AuthorCompanyExt(id=1251595993305788863, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1149781955945919116, companyId=1251595993297400254, language=EN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=College of Transportation and Logistics Engineering, Xinjiang Agricultural University, Urumqi 830052, China), AuthorCompanyExt(id=1251595993314177472, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1149781955945919116, companyId=1251595993297400254, language=CN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=新疆农业大学交通与物流工程学院, 乌鲁木齐 830052)])], figs=[ArticleFig(id=1251595995130311165, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1149781955945919116, language=EN, label=Fig.1, caption=
Thermal map of correlation between fuel consumption and its influencing factors, figureFileSmall=8fIccfRmrIrD3ISCMvbDVA==, figureFileBig=FQd8WeHkeekHk7izRiTLjg==, tableContent=null), ArticleFig(id=1251595995184837119, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1149781955945919116, language=CN, label=图1, caption=
油耗与其影响因子相关性热力图, figureFileSmall=8fIccfRmrIrD3ISCMvbDVA==, figureFileBig=FQd8WeHkeekHk7izRiTLjg==, tableContent=null), ArticleFig(id=1251595995268723202, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1149781955945919116, language=EN, label=Fig.2, caption=
CNN structure diagram, figureFileSmall=hwy4FoPMS66EIs6pbyrbMw==, figureFileBig=HSKc0DeM9Lt/5Qn1Y9pbGg==, tableContent=null), ArticleFig(id=1251595995327443460, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1149781955945919116, language=CN, label=图2, caption=
CNN结构示意图, figureFileSmall=hwy4FoPMS66EIs6pbyrbMw==, figureFileBig=HSKc0DeM9Lt/5Qn1Y9pbGg==, tableContent=null), ArticleFig(id=1251595995402940934, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1149781955945919116, language=EN, label=Fig.3, caption=
LSTM network structure diagram, figureFileSmall=sItEmkPCZ3hPe8LYwxfdtQ==, figureFileBig=Qz1K46m3I3Z2Mjnfl1RB8Q==, tableContent=null), ArticleFig(id=1251595995461661191, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1149781955945919116, language=CN, label=图3, caption=
LSTM网络结构图, figureFileSmall=sItEmkPCZ3hPe8LYwxfdtQ==, figureFileBig=Qz1K46m3I3Z2Mjnfl1RB8Q==, tableContent=null), ArticleFig(id=1251595995532964361, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1149781955945919116, language=EN, label=Fig.4, caption=
BiLSTM network structure diagram, figureFileSmall=Zis+S2s9dPjpf79TaB3Jqw==, figureFileBig=vWCNHfUscDN/+WENl6wU5A==, tableContent=null), ArticleFig(id=1251595995591684619, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1149781955945919116, language=CN, label=图4, caption=
BiLSTM网络结构图, figureFileSmall=Zis+S2s9dPjpf79TaB3Jqw==, figureFileBig=vWCNHfUscDN/+WENl6wU5A==, tableContent=null), ArticleFig(id=1251595995662987789, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1149781955945919116, language=EN, label=Fig.5, caption=
CNN-BiLSTM model network structure, figureFileSmall=XtP189YCpDOVKp1XyCDFRA==, figureFileBig=NbAr1mGBaD9pwmsvd4durA==, tableContent=null), ArticleFig(id=1251595995730096655, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1149781955945919116, language=CN, label=图5, caption=
CNN-BiLSTM模型网络结构, figureFileSmall=XtP189YCpDOVKp1XyCDFRA==, figureFileBig=NbAr1mGBaD9pwmsvd4durA==, tableContent=null), ArticleFig(id=1251595995809788433, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1149781955945919116, language=EN, label=Fig.6, caption=
Flow chart of CNN-BiLSTM fuel consumption prediction model, figureFileSmall=rW5RqzTSyYqyHmn9VSS1cA==, figureFileBig=/xWcwmEftOwgvU8E8uf2Lg==, tableContent=null), ArticleFig(id=1251595995902063123, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1149781955945919116, language=CN, label=图6, caption=
CNN-BiLSTM油耗预测模型流程图, figureFileSmall=rW5RqzTSyYqyHmn9VSS1cA==, figureFileBig=/xWcwmEftOwgvU8E8uf2Lg==, tableContent=null), ArticleFig(id=1251595995952394773, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1149781955945919116, language=EN, label=Fig.7, caption=
A fitting curve of partial true and predicted values, figureFileSmall=Z46uEoFkyeT6LLFCx82Y/A==, figureFileBig=5vLyXf8GYgnG5xTj/RdeoA==, tableContent=null), ArticleFig(id=1251595996019503638, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1149781955945919116, language=CN, label=图7, caption=
部分真实值和预测值的拟合曲线, figureFileSmall=Z46uEoFkyeT6LLFCx82Y/A==, figureFileBig=5vLyXf8GYgnG5xTj/RdeoA==, tableContent=null), ArticleFig(id=1251595996090806807, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1149781955945919116, language=EN, label=Table 1, caption=
Some examples of vehicle driving status data
, figureFileSmall=null, figureFileBig=null, tableContent=
| 样本序号 | 车速/ (km·h-1) | 加速度/ (m·s-2) | 节气门 位置/% | 负荷率/% | 发动机转速/ (r·min-1) | 冷却液 温度/℃ | 进气管绝对 压力/kPa | 燃油消耗/ (g·s-1) |
| 1 | 0 | 0 | 5.2 | 23.9 | 929 | 87 | 33 | 0.268 8 |
| 2 | 0 | 0 | 6.1 | 30.6 | 726 | 87 | 40 | 0.243 2 |
| 3 | 0 | 0 | 4.7 | 31.8 | 685 | 87 | 41 | 0.217 6 |
| 4 | 0 | 0 | 5.7 | 29 | 675 | 87 | 38 | 0.204 8 |
| ︙ | ︙ | ︙ | ︙ | ︙ | ︙ | ︙ | ︙ | ︙ |
| 21 032 | 5 | -1.388 | 8.0 | 52.2 | 893 | 89 | 62 | 0.486 4 |
), ArticleFig(id=1251595996174692889, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1149781955945919116, language=CN, label=表1, caption=
部分车辆行驶状态数据示例
, figureFileSmall=null, figureFileBig=null, tableContent=
| 样本序号 | 车速/ (km·h-1) | 加速度/ (m·s-2) | 节气门 位置/% | 负荷率/% | 发动机转速/ (r·min-1) | 冷却液 温度/℃ | 进气管绝对 压力/kPa | 燃油消耗/ (g·s-1) |
| 1 | 0 | 0 | 5.2 | 23.9 | 929 | 87 | 33 | 0.268 8 |
| 2 | 0 | 0 | 6.1 | 30.6 | 726 | 87 | 40 | 0.243 2 |
| 3 | 0 | 0 | 4.7 | 31.8 | 685 | 87 | 41 | 0.217 6 |
| 4 | 0 | 0 | 5.7 | 29 | 675 | 87 | 38 | 0.204 8 |
| ︙ | ︙ | ︙ | ︙ | ︙ | ︙ | ︙ | ︙ | ︙ |
| 21 032 | 5 | -1.388 | 8.0 | 52.2 | 893 | 89 | 62 | 0.486 4 |
), ArticleFig(id=1251595996250190363, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1149781955945919116, language=EN, label=Table 2, caption=
Analysis of raw data statistical results
, figureFileSmall=null, figureFileBig=null, tableContent=
| 参数 | 车速/ (km·h-1) | 加速度/ (m·s-2) | 节气门 位置/% | 负荷率/% | 发动机转速/ (r·min-1) | 冷却液 温度/℃ | 进气管绝对 压力/kPa | 燃油消耗/ (g·s-1) |
| 数据总量 | 21 032 | 21 032 | 21 032 | 21 032 | 21 032 | 21 032 | 21 032 | 21 032 |
| 平均值 | 34.69 | 0.000 3 | 14.90 | 42.84 | 1 563.59 | 75.44 | 39.31 | 0.882 8 |
| 标准差 | 27.42 | 0.498 5 | 18.90 | 20.10 | 630.01 | 19.06 | 28.58 | 0.875 9 |
| 最大值 | 129 | 2.5 | 100 | 98.40 | 6 206 | 99 | 175 | 10.828 8 |
| 最小值 | 0 | -4.166 7 | 4.70 | 11 | 617 | 12 | 0 | 0 |
| 上四分位数 | 9 | -0.277 8 | 7.10 | 26.30 | 979 | 67 | 17 | 0.345 6 |
| 中分位数 | 30 | 0 | 8.50 | 40.40 | 1656 | 81 | 40 | 0.524 8 |
| 下四分位数 | 61 | 0.277 8 | 14.10 | 52.50 | 1979 | 90 | 58 | 1.228 8 |
), ArticleFig(id=1251595996325687837, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1149781955945919116, language=CN, label=表2, caption=
原始数据统计分析结果
, figureFileSmall=null, figureFileBig=null, tableContent=
| 参数 | 车速/ (km·h-1) | 加速度/ (m·s-2) | 节气门 位置/% | 负荷率/% | 发动机转速/ (r·min-1) | 冷却液 温度/℃ | 进气管绝对 压力/kPa | 燃油消耗/ (g·s-1) |
| 数据总量 | 21 032 | 21 032 | 21 032 | 21 032 | 21 032 | 21 032 | 21 032 | 21 032 |
| 平均值 | 34.69 | 0.000 3 | 14.90 | 42.84 | 1 563.59 | 75.44 | 39.31 | 0.882 8 |
| 标准差 | 27.42 | 0.498 5 | 18.90 | 20.10 | 630.01 | 19.06 | 28.58 | 0.875 9 |
| 最大值 | 129 | 2.5 | 100 | 98.40 | 6 206 | 99 | 175 | 10.828 8 |
| 最小值 | 0 | -4.166 7 | 4.70 | 11 | 617 | 12 | 0 | 0 |
| 上四分位数 | 9 | -0.277 8 | 7.10 | 26.30 | 979 | 67 | 17 | 0.345 6 |
| 中分位数 | 30 | 0 | 8.50 | 40.40 | 1656 | 81 | 40 | 0.524 8 |
| 下四分位数 | 61 | 0.277 8 | 14.10 | 52.50 | 1979 | 90 | 58 | 1.228 8 |
), ArticleFig(id=1251595996380213791, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1149781955945919116, language=EN, label=null, caption=null, figureFileSmall=null, figureFileBig=null, tableContent=
| Algorithm 1 Hyperband Algorithm |
| Input: Rmax,α | %By Default: α=3 |
| Output: Cbest | %By Configuration |
Initialize: mmax=logα(Rmax), R=(mmax+1)${{R}_{\mathrm{m}\mathrm{a}\mathrm{x}}}_{.}$ for m∈{mmax,mmax-1,…,0} n=$\frac{{R}_{\alpha }^{m}}{{R}_{\mathrm{m}\mathrm{a}\mathrm{x}}(m+1)}$, t = Rmaxα-8. In this iteration (n,t) are the parameters for Successive-Halving. C = get_hyperparameter_config(n) for i∈{0,1,2,…,m} ni=nα-m ti=tαi VL= return_val_loss(c,ti), c∈C C = get_K_config $\left(C,\mathrm{V}\mathrm{L},\frac{{n}_{i}}{\alpha }\right)$ end for end for return Configuration with least validation loss Cbest |
), ArticleFig(id=1251595996438934049, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1149781955945919116, language=CN, label=, caption=
, figureFileSmall=null, figureFileBig=null, tableContent=
| Algorithm 1 Hyperband Algorithm |
| Input: Rmax,α | %By Default: α=3 |
| Output: Cbest | %By Configuration |
Initialize: mmax=logα(Rmax), R=(mmax+1)${{R}_{\mathrm{m}\mathrm{a}\mathrm{x}}}_{.}$ for m∈{mmax,mmax-1,…,0} n=$\frac{{R}_{\alpha }^{m}}{{R}_{\mathrm{m}\mathrm{a}\mathrm{x}}(m+1)}$, t = Rmaxα-8. In this iteration (n,t) are the parameters for Successive-Halving. C = get_hyperparameter_config(n) for i∈{0,1,2,…,m} ni=nα-m ti=tαi VL= return_val_loss(c,ti), c∈C C = get_K_config $\left(C,\mathrm{V}\mathrm{L},\frac{{n}_{i}}{\alpha }\right)$ end for end for return Configuration with least validation loss Cbest |
), ArticleFig(id=1251595996510237219, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1149781955945919116, language=EN, label=Table 3, caption=
Examples of data normalization processing results
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速度/ (km·h-1) | 加速度/ (m·s-2) | 节气门 位置% | 负荷率% | 发动机转速/ (r·min-1) | 冷却液 温度/℃ | 进气管绝对 压力/kPa | 燃油消耗/ (g·s-1) |
| 0 | 0 | 0.005 2 | 0.135 7 | 0.055 4 | 0.820 8 | 0.185 1 | 0.268 8 |
| 0 | 0 | 0.014 6 | 0.213 4 | 0.019 1 | 0.820 8 | 0.271 6 | 0.243 2 |
| 0 | 0 | 0.005 2 | 0.227 3 | 0.011 8 | 0.820 8 | 0.283 9 | 0.217 6 |
| 0 | 0 | 0.010 49 | 0.194 8 | 0.010 0 | 0.820 8 | 0.246 9 | 0.204 8 |
| 0 | 0 | 0.010 49 | 0.208 8 | 0.017 3 | 0.820 8 | 0.271 6 | 0.217 6 |
| ︙ | ︙ | ︙ | ︙ | ︙ | ︙ | ︙ | ︙ |
), ArticleFig(id=1251595996581540389, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1149781955945919116, language=CN, label=表3, caption=
数据归一化处理结果部分示例
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速度/ (km·h-1) | 加速度/ (m·s-2) | 节气门 位置% | 负荷率% | 发动机转速/ (r·min-1) | 冷却液 温度/℃ | 进气管绝对 压力/kPa | 燃油消耗/ (g·s-1) |
| 0 | 0 | 0.005 2 | 0.135 7 | 0.055 4 | 0.820 8 | 0.185 1 | 0.268 8 |
| 0 | 0 | 0.014 6 | 0.213 4 | 0.019 1 | 0.820 8 | 0.271 6 | 0.243 2 |
| 0 | 0 | 0.005 2 | 0.227 3 | 0.011 8 | 0.820 8 | 0.283 9 | 0.217 6 |
| 0 | 0 | 0.010 49 | 0.194 8 | 0.010 0 | 0.820 8 | 0.246 9 | 0.204 8 |
| 0 | 0 | 0.010 49 | 0.208 8 | 0.017 3 | 0.820 8 | 0.271 6 | 0.217 6 |
| ︙ | ︙ | ︙ | ︙ | ︙ | ︙ | ︙ | ︙ |
), ArticleFig(id=1251595996652843559, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1149781955945919116, language=EN, label=Table 4, caption=
Model input hyperparameters
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| 模型参数 | 参数选择 |
| 选择值 | 最大值 | 最小值 |
| 卷积核数 | — | 0 | 256 |
| 神经元个数 | — | 0 | 512 |
| Dropout | | 0.1 | 0.5 |
| 学习率 | 0.1,0.01,0.001,0.000 1 | — | — |
), ArticleFig(id=1251595996715758121, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1149781955945919116, language=CN, label=表4, caption=
模型输入超参
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| 模型参数 | 参数选择 |
| 选择值 | 最大值 | 最小值 |
| 卷积核数 | — | 0 | 256 |
| 神经元个数 | — | 0 | 512 |
| Dropout | | 0.1 | 0.5 |
| 学习率 | 0.1,0.01,0.001,0.000 1 | — | — |
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Parameters of different models
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| 参数 | LSTM | BiLSTM | CNN | CNN- LSTM | CNN- BiLSTM |
| 卷积核数 | — | — | 64 | 64 | 64 |
| 卷积核大小 | — | — | 1×2 | 1×2 | 1×2 |
| 池化层窗口 | — | — | 2 | 2 | 2 |
| 神经元个数 | 128 | 128 | 128 | 128 | 128 |
| Dropout | 0.5 | 0.5 | 0.5 | 0.5 | 0.5 |
), ArticleFig(id=1251595996900307501, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1149781955945919116, language=CN, label=表5, caption=
不同模型的参数
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| 参数 | LSTM | BiLSTM | CNN | CNN- LSTM | CNN- BiLSTM |
| 卷积核数 | — | — | 64 | 64 | 64 |
| 卷积核大小 | — | — | 1×2 | 1×2 | 1×2 |
| 池化层窗口 | — | — | 2 | 2 | 2 |
| 神经元个数 | 128 | 128 | 128 | 128 | 128 |
| Dropout | 0.5 | 0.5 | 0.5 | 0.5 | 0.5 |
), ArticleFig(id=1251595996967416367, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1149781955945919116, language=EN, label=Table 6, caption=
Evaluation indicators of different models
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| 模型类别 | 评价指标 |
| MAE | RMSE | R2 |
| CNN | 0.146 38 | 0.250 96 | 0.959 49 |
| LSTM | 0.078 87 | 0.221 02 | 0.962 46 |
| BiLSTM | 0.067 46 | 0.155 21 | 0.984 08 |
| CNN-LSTM | 0.076 25 | 0.152 93 | 0.986 45 |
| CNN-BiLSTM | 0.066 81 | 0.153 81 | 0.987 56 |
| Hyperband-CNN-BiLSTM | 0.057 69 | 0.119 25 | 0.991 76 |
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不同模型的评价指标
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| 模型类别 | 评价指标 |
| MAE | RMSE | R2 |
| CNN | 0.146 38 | 0.250 96 | 0.959 49 |
| LSTM | 0.078 87 | 0.221 02 | 0.962 46 |
| BiLSTM | 0.067 46 | 0.155 21 | 0.984 08 |
| CNN-LSTM | 0.076 25 | 0.152 93 | 0.986 45 |
| CNN-BiLSTM | 0.066 81 | 0.153 81 | 0.987 56 |
| Hyperband-CNN-BiLSTM | 0.057 69 | 0.119 25 | 0.991 76 |
), ArticleFig(id=1251595997126799923, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1149781955945919116, language=EN, label=Table 7, caption=
Evaluation indexes of the model under different time Windows
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| 输入序列 | MAE | RMSE | R2 |
| 1 | 0.075 71 | 0.163 15 | 0.958 68 |
| 2 | 0.057 69 | 0.119 25 | 0.991 76 |
| 3 | 0.064 00 | 0.142 15 | 0.988 77 |
| 4 | 0.057 71 | 0.127 55 | 0.990 25 |
| 5 | 0.059 25 | 0.134 38 | 0.989 01 |
| 6 | 0.060 00 | 0.132 36 | 0.990 18 |
), ArticleFig(id=1251595997189714485, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1149781955945919116, language=CN, label=表7, caption=
不同时间窗口下模型的评价指标
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| 输入序列 | MAE | RMSE | R2 |
| 1 | 0.075 71 | 0.163 15 | 0.958 68 |
| 2 | 0.057 69 | 0.119 25 | 0.991 76 |
| 3 | 0.064 00 | 0.142 15 | 0.988 77 |
| 4 | 0.057 71 | 0.127 55 | 0.990 25 |
| 5 | 0.059 25 | 0.134 38 | 0.989 01 |
| 6 | 0.060 00 | 0.132 36 | 0.990 18 |
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