Article(id=1222963542173667959, tenantId=1146029695717560320, journalId=1205116964453384197, issueId=1222963536863678929, articleNumber=null, orderNo=null, doi=10.20040/j.cnki.1000-7709.2023.20221932, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=null, receivedDate=1663344000000, receivedDateStr=2022-09-17, revisedDate=1666108800000, revisedDateStr=2022-10-19, acceptedDate=null, acceptedDateStr=null, onlineDate=1769506830018, onlineDateStr=2026-01-27, pubDate=1682352000000, pubDateStr=2023-04-25, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1769506830018, onlineIssueDateStr=2026-01-27, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1769506830018, creator=13701087609, updateTime=1769506830018, updator=13701087609, issue=Issue{id=1222963536863678929, tenantId=1146029695717560320, journalId=1205116964453384197, year='2023', volume='41', issue='4', pageStart='1', pageEnd='220', issueExtLink='null', onlineDate='null', pubDate='null', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=-1, specialIssue=null, createTime=1769506828752, creator=13701087609, updateTime=1769508076664, updator=13701087609, preIssue=null, nextIssue=null, ext={EN=IssueExt(id=1222968771057279321, tenantId=1146029695717560320, journalId=1205116964453384197, issueId=1222963536863678929, language=EN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=), CN=IssueExt(id=1222968771057279322, tenantId=1146029695717560320, journalId=1205116964453384197, issueId=1222963536863678929, language=CN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=)}, issueFiles=null}, startPage=39, endPage=43, ext={EN=ArticleExt(id=1222963542416937606, articleId=1222963542173667959, tenantId=1146029695717560320, journalId=1205116964453384197, language=EN, title=Monthly Runoff Prediction Model and Its Application Based on GPR with Physically Composite Kernel, columnId=1222925279849341011, journalTitle=Water Resources and Power, columnName=HYDROLOGY, WATER RESOURCES AND ENVIRONMENT, runingTitle=null, highlight=null, articleAbstract=

In light of the difficulty of traditional single runoff prediction models to describe future variation in runoff, a monthly runoff prediction model named AVMD-GPR-CK based on adaptive variational modal decomposition (AVMD) and Gaussian process regression (GPR-CK) with physically composite kernel was proposed. In the proposed model, the runoff series was decomposed into several subseries using AVMD. Then subseries were separately modeled according to their own characteristics, and the final prediction result was the superposition of the subsequence prediction results. The AVMD-GPR-CK was applied to forecast the future 1-12 months runoff at Xiangjiaba station in the Jinsha River basin. The results show that the deterministic coefficient of the AVMD-GPR-CK model is greater than 0.94, and the mean absolute percentage error (MMAPE) is within ±17% for all leading times, and the MMAPE is inside ±10% for leading times within 10 months. Furthermore, the accuracy of the AVMD-GPR-CK is significantly better than those of the commonly used BP, GRNN, RBF, and RELM models.

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鉴于传统的单一径流预报模型很难描述径流未来变化规律,将自适应变分模态分解(AVMD)与基于组合物理核函数的高斯过程回归(GPR-CK)相结合,构建了AVMD-GPR-CK预报模型,该模型采用AVMD将实测径流分解为多个子序列,对子序列依据其自身特点分别建模,子序列预报结果叠加重构即为最终预报结果。模型应用于金沙江流域向家坝站未来1~12个月的径流预报的结果表明,所有预见期AVMD-GPR-CK模型的确定性系数均大于0.94,平均绝对百分比误差(MMAPE)在±17%以内,预见期在10个月以内时,MMAPE在±10%以内;预报精度明显优于常见的BP、GRNN、RBF、RELM模型。

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张楠(1991-),男,讲师、硕导,研究方向为水电、风电等清洁能源优化运行与控制、人工智能应用,E-mail:
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孙娜(1992-),女,讲师、硕导,研究方向为水文水资源、人工智能应用,E-mail:

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一种基于物理核函数高斯过程回归的月径流预报模型及其应用
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孙娜 1a , 张楠 1b , 张帅 2 , 彭甜 1a , 周建中 3 , 张海荣 4
水电能源科学 | 水文水资源与环境 2023,41(4): 39-43
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水电能源科学 | 水文水资源与环境 2023, 41(4): 39-43
一种基于物理核函数高斯过程回归的月径流预报模型及其应用
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孙娜1a , 张楠1b , 张帅2, 彭甜1a, 周建中3, 张海荣4
作者信息
  • 1.a.淮阴工学院自动化学院,江苏 淮安 223003
  • 1.b.淮阴工学院机械与材料工程学院,江苏 淮安 223003
  • 2.西安数峰科技信息有限公司,陕西 西安 710054
  • 3.华中科技大学土木与水利工程学院,湖北 武汉 430074
  • 4.中国长江电力股份有限公司,湖北 宜昌 443133
  • 孙娜(1992-),女,讲师、硕导,研究方向为水文水资源、人工智能应用,E-mail:

通讯作者:

张楠(1991-),男,讲师、硕导,研究方向为水电、风电等清洁能源优化运行与控制、人工智能应用,E-mail:
Monthly Runoff Prediction Model and Its Application Based on GPR with Physically Composite Kernel
Na SUN1a , Nan ZHANG1b , Shuai ZHANG2, Tian PENG1a, Jian-zhong ZHOU3, Hai-rong ZHANG4
Affiliations
  • 1a.Faculty of Automation, Huaiyin Institute of Technology, Huaian 223003, China
  • 1b.Faculty of Mechanical and Material Engineering, Huaiyin Institute of Technology, Huaian 223003, China
  • 2.Xi’an Shufeng Technological Information Ltd., Xi’an 710054, China
  • 3.School of Civil and Hydraulic Engineering, Huazhong University of Science and Technology, Wuhan 430074, China
  • 4.China Yangtze Power Co., Ltd., Yichang 443133, China
出版时间: 2023-04-25 doi: 10.20040/j.cnki.1000-7709.2023.20221932
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鉴于传统的单一径流预报模型很难描述径流未来变化规律,将自适应变分模态分解(AVMD)与基于组合物理核函数的高斯过程回归(GPR-CK)相结合,构建了AVMD-GPR-CK预报模型,该模型采用AVMD将实测径流分解为多个子序列,对子序列依据其自身特点分别建模,子序列预报结果叠加重构即为最终预报结果。模型应用于金沙江流域向家坝站未来1~12个月的径流预报的结果表明,所有预见期AVMD-GPR-CK模型的确定性系数均大于0.94,平均绝对百分比误差(MMAPE)在±17%以内,预见期在10个月以内时,MMAPE在±10%以内;预报精度明显优于常见的BP、GRNN、RBF、RELM模型。

月径流预报  /  变分模态分解  /  高斯过程回归  /  组合核函数

In light of the difficulty of traditional single runoff prediction models to describe future variation in runoff, a monthly runoff prediction model named AVMD-GPR-CK based on adaptive variational modal decomposition (AVMD) and Gaussian process regression (GPR-CK) with physically composite kernel was proposed. In the proposed model, the runoff series was decomposed into several subseries using AVMD. Then subseries were separately modeled according to their own characteristics, and the final prediction result was the superposition of the subsequence prediction results. The AVMD-GPR-CK was applied to forecast the future 1-12 months runoff at Xiangjiaba station in the Jinsha River basin. The results show that the deterministic coefficient of the AVMD-GPR-CK model is greater than 0.94, and the mean absolute percentage error (MMAPE) is within ±17% for all leading times, and the MMAPE is inside ±10% for leading times within 10 months. Furthermore, the accuracy of the AVMD-GPR-CK is significantly better than those of the commonly used BP, GRNN, RBF, and RELM models.

monthly runoff forecasting  /  variational mode decomposition  /  Gaussian process regression  /  composite kernel function
孙娜, 张楠, 张帅, 彭甜, 周建中, 张海荣. 一种基于物理核函数高斯过程回归的月径流预报模型及其应用. 水电能源科学, 2023 , 41 (4) : 39 -43 . DOI: 10.20040/j.cnki.1000-7709.2023.20221932
Na SUN, Nan ZHANG, Shuai ZHANG, Tian PENG, Jian-zhong ZHOU, Hai-rong ZHANG. Monthly Runoff Prediction Model and Its Application Based on GPR with Physically Composite Kernel[J]. Water Resources and Power, 2023 , 41 (4) : 39 -43 . DOI: 10.20040/j.cnki.1000-7709.2023.20221932
  • 江苏省高校自然科学基金项目(20KJD480003)
  • 江苏省双创计划(JSSCBS(2020)31035)
  • 江苏省自然科学基金(BK20201069)
  • 国家自然科学基金项目(91547208; 51909010)
2023年第41卷第4期
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doi: 10.20040/j.cnki.1000-7709.2023.20221932
  • 接收时间:2022-09-17
  • 首发时间:2026-01-27
  • 出版时间:2023-04-25
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  • 收稿日期:2022-09-17
  • 修回日期:2022-10-19
基金
江苏省高校自然科学基金项目(20KJD480003)
江苏省双创计划(JSSCBS(2020)31035)
江苏省自然科学基金(BK20201069)
国家自然科学基金项目(91547208; 51909010)
作者信息
    1.a.淮阴工学院自动化学院,江苏 淮安 223003
    1.b.淮阴工学院机械与材料工程学院,江苏 淮安 223003
    2.西安数峰科技信息有限公司,陕西 西安 710054
    3.华中科技大学土木与水利工程学院,湖北 武汉 430074
    4.中国长江电力股份有限公司,湖北 宜昌 443133

通讯作者:

张楠(1991-),男,讲师、硕导,研究方向为水电、风电等清洁能源优化运行与控制、人工智能应用,E-mail:
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2种不同金属材料的力学参数

Family
属数
Number of
genus
种数
Number of
species
占总种数比例
Percentage of
total species (%)

Genus
种数
Number of
species
占总种数比例
Percentage of total
species (%)
鹅膏菌科Amanitaceae 2 11 5.26 鹅膏菌属 Amanita 10 4.78
小菇科 Mycenaceae 2 12 5.74 丝盖伞属 Inocybe 5 2.39
多孔菌科 Polyporaceae 8 14 6.70 蜡蘑属 Laccaria 5 2.39
红菇科 Russulaceae 3 23 11.00 小皮伞属 Marasmius 6 2.87
小菇属 Mycena 11 5.26
光柄菇属 Pluteus 5 2.39
红菇属 Russula 17 8.13
栓菌属 Trametes 5 2.39
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