Article(id=1251457070889911203, tenantId=1146029695717560320, journalId=1251194703438200922, issueId=1251457062706820082, articleNumber=null, orderNo=null, doi=10.14106/j.cnki.1001-2028.2025.0195, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=null, receivedDate=1745683200000, receivedDateStr=2025-04-27, revisedDate=null, revisedDateStr=null, acceptedDate=null, acceptedDateStr=null, onlineDate=1776300216647, onlineDateStr=2026-04-16, pubDate=1759593600000, pubDateStr=2025-10-05, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1776300216647, onlineIssueDateStr=2026-04-16, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1776300216647, creator=13041195026, updateTime=1776300216647, updator=13041195026, issue=Issue{id=1251457062706820082, tenantId=1146029695717560320, journalId=1251194703438200922, year='2025', volume='44', issue='10', pageStart='1119', pageEnd='1244', issueExtLink='null', onlineDate='null', pubDate='null', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=1, specialIssue=null, createTime=1776300214696, creator=13041195026, updateTime=1776300327814, updator=13041195026, preIssue=null, nextIssue=null, ext={EN=IssueExt(id=1251457537212629591, tenantId=1146029695717560320, journalId=1251194703438200922, issueId=1251457062706820082, language=EN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=), CN=IssueExt(id=1251457537212629592, tenantId=1146029695717560320, journalId=1251194703438200922, issueId=1251457062706820082, language=CN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=)}, issueFiles=null}, startPage=1176, endPage=1184, ext={EN=ArticleExt(id=1251457071217066935, articleId=1251457070889911203, tenantId=1146029695717560320, journalId=1251194703438200922, language=EN, title=Design and performance verification of PVDF piezoelectric thin film tactile sensor based on improved BP neural network, columnId=1251457065399563262, journalTitle=Electronic Components and Materials, columnName=Research & Development, runingTitle=null, highlight=null, articleAbstract=
With the continuous development of tactile sensing technology,the application of piezoelectric materials in tactile sensors has garnered increasing attention. Currently,tactile sensors face challenges such as low recognition accuracy,insufficient response sensitivity,and poor stability in complex environments. To address these issues,research was conducted on utilizing the piezoelectric properties of polyvinylidene difluoride(PVDF)to convert external force signals into electrical signals for sensor design. Additionally,a microcontroller was utilized for real-time acquisition and storage of data collected by tactile sensors. At the same time,the improved Back Propagation(BP)neural network was combined withParticle Swarm Optimization(PSO)to enhance signal processing and recognition capabilities. The sensitivity and response accuracy of the sensor were significantly improved through the design of a PVDF multilayer structure. The results show that the classification performance(accuracy 98.54%,recall 98.13%,F1 value 97.42%)is significantly better than that of the comparison algorithm,and the highest recognition accuracy of the sensor for different roughness and hardness items reaches 95% and 96%,respectively,with a maximum root mean square error(RMSE)of only 0.032.In summary,the design of a PVDF piezoelectric film and single-chip tactile sensor based on the improved BP has effectively improved the response accuracy of tactile sensors under different tactile stimuli,with high perceptual sensitivity and stability. This further promotes the application and development of intelligent robots in precision operations and complex tasks.
, correspAuthors=null, 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=Li LI), CN=ArticleExt(id=1251457078523543716, articleId=1251457070889911203, tenantId=1146029695717560320, journalId=1251194703438200922, language=CN, title=基于改进BP神经网络的PVDF压电薄膜触觉传感器设计与性能验证, columnId=1251457065537974273, journalTitle=电子元件与材料, columnName=研究与试制, runingTitle=null, highlight=null, articleAbstract=
随着触觉传感技术的不断发展,压电材料在触觉传感器中的应用引起了广泛关注。当前触觉传感器在复杂环境下面临着识别精度、响应灵敏度和稳定性低等挑战。为此,本研究利用聚偏二氟乙烯(Polyvinylidene Difluoride,PVDF)的压电特性将外部力信号转换为电信号来设计传感器,并利用单片机对触觉传感器收集到的数据进行读取和存储。同时,采用改进反向传播(Back Propagation,BP)神经网络与粒子群优化(Particle Swarm Optimization,PSO)策略相结合,提升信号识别与处理能力。通过多层PVDF结构设计,显著提高了传感器的灵敏度和响应精度。结果显示,分类性能(准确率98.54%,召回率98.13%,F1值97.42%)显著优于对比算法,且传感器在不同粗糙度和硬度物品的最高识别精度分别达到了95%和96%,最大均方根误差仅为0.032。综上所述,基于改进BP的PVDF压电薄膜触觉传感器设计,有效提高了触觉传感器在不同触觉刺激下的响应精度,具有较高的感知灵敏度和稳定性,进一步推动了智能机器人在精密操作和复杂任务中的应用。
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, authorsList=李莉)}, authors=[Author(id=1251457078859088058, tenantId=1146029695717560320, journalId=1251194703438200922, articleId=1251457070889911203, orderNo=0, firstName=null, middleName=null, lastName=null, nameCn=null, orcid=null, stid=null, country=null, authorPic=null, dead=0, email=S20030299@sina.com, emailSecond=null, emailThird=null, correspondingAuthor=0, authorType=1, ext={EN=AuthorExt(id=1251457078955557057, tenantId=1146029695717560320, journalId=1251194703438200922, articleId=1251457070889911203, authorId=1251457078859088058, language=EN, stringName=Li LI, firstName=Li, middleName=null, lastName=LI, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=null, address=School of Mechanical, Electrical and Automotive Engineering, Taiyuan University, Taiyuan 030032, China, bio=null, bioImg=null, bioContent=null, aboutCorrespAuthor=null), CN=AuthorExt(id=1251457079039443141, tenantId=1146029695717560320, journalId=1251194703438200922, articleId=1251457070889911203, authorId=1251457078859088058, language=CN, stringName=李莉, firstName=null, middleName=null, lastName=null, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=null, address=太原大学 机电与车辆工程学院,山西 太原 030032, bio={"content":"
李莉,副教授,硕士,研究方向为控制理论与控制工程。E-mail: S20030299@sina.com
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李莉,副教授,硕士,研究方向为控制理论与控制工程。E-mail: S20030299@sina.com
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2024(11): 47-52., articleTitle=基于残差网络的光触觉传感器触觉信息提取方法研究, refAbstract=null)], funds=null, companyList=[AuthorCompany(id=1251457078750036144, tenantId=1146029695717560320, journalId=1251194703438200922, articleId=1251457070889911203, xref=null, ext=[AuthorCompanyExt(id=1251457078758424754, tenantId=1146029695717560320, journalId=1251194703438200922, articleId=1251457070889911203, companyId=1251457078750036144, language=EN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=School of Mechanical, Electrical and Automotive Engineering, Taiyuan University, Taiyuan 030032, China), AuthorCompanyExt(id=1251457078766813364, tenantId=1146029695717560320, journalId=1251194703438200922, articleId=1251457070889911203, companyId=1251457078750036144, language=CN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=太原大学 机电与车辆工程学院,山西 太原 030032)])], figs=[ArticleFig(id=1251457080331288854, tenantId=1146029695717560320, journalId=1251194703438200922, articleId=1251457070889911203, language=EN, label=Fig 1., caption=
Schematic diagram of the tactile sensor design based on PVDF piezoelectric film, figureFileSmall=rwqYZXeqwHGekDfPmuorOw==, figureFileBig=i9xuQa/zVGw34ACqUlMzew==, tableContent=null), ArticleFig(id=1251457080448729372, tenantId=1146029695717560320, journalId=1251194703438200922, articleId=1251457070889911203, language=CN, label=图1, caption=
基于PVDF压电薄膜的触觉传感器设计框架, figureFileSmall=rwqYZXeqwHGekDfPmuorOw==, figureFileBig=i9xuQa/zVGw34ACqUlMzew==, tableContent=null), ArticleFig(id=1251457082164199726, tenantId=1146029695717560320, journalId=1251194703438200922, articleId=1251457070889911203, language=EN, label=Fig. 2, caption=
Preparation process of PVDF piezoelectric thin film tactile sensor, figureFileSmall=jSI5EBWWpG/xgY3FEBmlag==, figureFileBig=zV4gJeL0VgCqu/Vsu3F3sA==, tableContent=null), ArticleFig(id=1251457082239697205, tenantId=1146029695717560320, journalId=1251194703438200922, articleId=1251457070889911203, language=CN, label=图2, caption=
PVDF压电薄膜触觉传感器的制备流程, figureFileSmall=jSI5EBWWpG/xgY3FEBmlag==, figureFileBig=zV4gJeL0VgCqu/Vsu3F3sA==, tableContent=null), ArticleFig(id=1251457082344554810, tenantId=1146029695717560320, journalId=1251194703438200922, articleId=1251457070889911203, language=EN, label=Fig. 3, caption=
Enlarged circuit design, figureFileSmall=bNFvIEGiNi/3rys7JuAPwA==, figureFileBig=/O0CgaXGtccSu77YTnm3Gg==, tableContent=null), ArticleFig(id=1251457082411663679, tenantId=1146029695717560320, journalId=1251194703438200922, articleId=1251457070889911203, language=CN, label=图3, caption=
放大电路设计, figureFileSmall=bNFvIEGiNi/3rys7JuAPwA==, figureFileBig=/O0CgaXGtccSu77YTnm3Gg==, tableContent=null), ArticleFig(id=1251457082478772548, tenantId=1146029695717560320, journalId=1251194703438200922, articleId=1251457070889911203, language=EN, label=Fig 4, caption=
Design and physical diagram of conditioning circuit, figureFileSmall=xbJDHSaesqlECsU5tNyvmA==, figureFileBig=IluFbJPivM5VsMkeXApyow==, tableContent=null), ArticleFig(id=1251457082575241544, tenantId=1146029695717560320, journalId=1251194703438200922, articleId=1251457070889911203, language=CN, label=图4, caption=
调理电路设计图和实物图, figureFileSmall=xbJDHSaesqlECsU5tNyvmA==, figureFileBig=IluFbJPivM5VsMkeXApyow==, tableContent=null), ArticleFig(id=1251457082650739021, tenantId=1146029695717560320, journalId=1251194703438200922, articleId=1251457070889911203, language=EN, label=Fig. 5, caption=
Process diagram of improving BP neural network based on PSO, figureFileSmall=T3fxVLJScrv2LhQwF8WaNw==, figureFileBig=XG6YjCJxDN61B6+AXwEl/Q==, tableContent=null), ArticleFig(id=1251457082747208016, tenantId=1146029695717560320, journalId=1251194703438200922, articleId=1251457070889911203, language=CN, label=图5, caption=
基于PSO改进BP神经网络的流程图, figureFileSmall=T3fxVLJScrv2LhQwF8WaNw==, figureFileBig=XG6YjCJxDN61B6+AXwEl/Q==, tableContent=null), ArticleFig(id=1251457082856259924, tenantId=1146029695717560320, journalId=1251194703438200922, articleId=1251457070889911203, language=EN, label=Fig. 6, caption=
Comparison of tactile signal classification performance of different algorithms, figureFileSmall=OeuRx4rWRAub4SY1WgTgWQ==, figureFileBig=LwWlyU2Sfmjk3+6BsKcYAw==, tableContent=null), ArticleFig(id=1251457082969506138, tenantId=1146029695717560320, journalId=1251194703438200922, articleId=1251457070889911203, language=CN, label=图6, caption=
不同算法的触觉信号分类性能对比, figureFileSmall=OeuRx4rWRAub4SY1WgTgWQ==, figureFileBig=LwWlyU2Sfmjk3+6BsKcYAw==, tableContent=null), ArticleFig(id=1251457083065975135, tenantId=1146029695717560320, journalId=1251194703438200922, articleId=1251457070889911203, language=EN, label=Fig. 7, caption=
Confusion experiment results, figureFileSmall=YnBu5W0JiV2Ke52cFNLDtw==, figureFileBig=ko6/+ZuARCUX0XOlQPSCCg==, tableContent=null), ArticleFig(id=1251457083158249826, tenantId=1146029695717560320, journalId=1251194703438200922, articleId=1251457070889911203, language=CN, label=图7, caption=
混淆实验结果, figureFileSmall=YnBu5W0JiV2Ke52cFNLDtw==, figureFileBig=ko6/+ZuARCUX0XOlQPSCCg==, tableContent=null), ArticleFig(id=1251457083246330213, tenantId=1146029695717560320, journalId=1251194703438200922, articleId=1251457070889911203, language=EN, label=Fig. 8, caption=
Comparison of hardness testing results, figureFileSmall=LjyhFvr3/6yyNTggk6GUZw==, figureFileBig=R8wHAxaQQpS4B/HzYMlcMQ==, tableContent=null), ArticleFig(id=1251457083334410602, tenantId=1146029695717560320, journalId=1251194703438200922, articleId=1251457070889911203, language=CN, label=图8, caption=
硬度检测效果对比, figureFileSmall=LjyhFvr3/6yyNTggk6GUZw==, figureFileBig=R8wHAxaQQpS4B/HzYMlcMQ==, tableContent=null), ArticleFig(id=1251457083443462513, tenantId=1146029695717560320, journalId=1251194703438200922, articleId=1251457070889911203, language=EN, label=Fig. 9, caption=
Comparison of roughness detection effects, figureFileSmall=dMmw3A3Ya8/J0nA/iXDmxA==, figureFileBig=nXzB8yvjIQ6F46un/21CTA==, tableContent=null), ArticleFig(id=1251457083531542901, tenantId=1146029695717560320, journalId=1251194703438200922, articleId=1251457070889911203, language=CN, label=图9, caption=
粗糙度检测效果对比, figureFileSmall=dMmw3A3Ya8/J0nA/iXDmxA==, figureFileBig=nXzB8yvjIQ6F46un/21CTA==, tableContent=null), ArticleFig(id=1251457083598651769, tenantId=1146029695717560320, journalId=1251194703438200922, articleId=1251457070889911203, language=EN, label=Fig. 10, caption=
Sensitivity comparison among different tactile sensors, figureFileSmall=3BYtPrOJaJAkq3ZjP0yevA==, figureFileBig=9DO7u1Rr+viF6iGJuH3wyw==, tableContent=null), ArticleFig(id=1251457083669954940, tenantId=1146029695717560320, journalId=1251194703438200922, articleId=1251457070889911203, language=CN, label=图10, caption=
不同传感器的灵敏度对比, figureFileSmall=3BYtPrOJaJAkq3ZjP0yevA==, figureFileBig=9DO7u1Rr+viF6iGJuH3wyw==, tableContent=null), ArticleFig(id=1251457083749646721, tenantId=1146029695717560320, journalId=1251194703438200922, articleId=1251457070889911203, language=EN, label=Tab. 1, caption=
Experimental Environment Configuration
, figureFileSmall=null, figureFileBig=null, tableContent=
| 设备 | 配置 | 作用 |
|---|
| PVDF压电薄膜传感器 | 尺寸:10cm×10cm | 主要传感器,用于感知触觉刺激 |
| STM32单片机 | STM32F103C8T6,32位ARM Cortex-M3处理器 | 负责传感器信号采集和处理 |
| 压力传感器 | 压力范围:0~100N,精度:0.1N | 用于施加外部触觉刺激 |
| 数据采集卡 | 16位分辨率,采样率:1kHz以上 | 用于将模拟信号转换为数字信号 |
| 示波器 | 频带宽度:100MHz,采样率:1GSa/s | 用于观察传感器信号波形 |
| 稳压电源 | 输出电压:5~12V,提供稳定电源 | 为实验设备提供电力支持 |
| MATLAB | R2021b版本,神经网络工具箱 | 用于数据分析和神经网络模型训练 |
| Keil开发环境 | 支持STM32的程序开发与调试 | 用于单片机程序开发与调试 |
), ArticleFig(id=1251457083854504324, tenantId=1146029695717560320, journalId=1251194703438200922, articleId=1251457070889911203, language=CN, label=表1, caption=
实验环境配置
, figureFileSmall=null, figureFileBig=null, tableContent=
| 设备 | 配置 | 作用 |
|---|
| PVDF压电薄膜传感器 | 尺寸:10cm×10cm | 主要传感器,用于感知触觉刺激 |
| STM32单片机 | STM32F103C8T6,32位ARM Cortex-M3处理器 | 负责传感器信号采集和处理 |
| 压力传感器 | 压力范围:0~100N,精度:0.1N | 用于施加外部触觉刺激 |
| 数据采集卡 | 16位分辨率,采样率:1kHz以上 | 用于将模拟信号转换为数字信号 |
| 示波器 | 频带宽度:100MHz,采样率:1GSa/s | 用于观察传感器信号波形 |
| 稳压电源 | 输出电压:5~12V,提供稳定电源 | 为实验设备提供电力支持 |
| MATLAB | R2021b版本,神经网络工具箱 | 用于数据分析和神经网络模型训练 |
| Keil开发环境 | 支持STM32的程序开发与调试 | 用于单片机程序开发与调试 |
), ArticleFig(id=1251457083955167622, tenantId=1146029695717560320, journalId=1251194703438200922, articleId=1251457070889911203, language=EN, label=Tab. 2, caption=
Comparison of classification performance of different algorithms
, figureFileSmall=null, figureFileBig=null, tableContent=
| 物品 | 不同算法的均方根误差 |
|---|
| 改进BP | CNN | RF | SVM | p值 |
|---|
| 木材 | 0.030 | 0.045 | 0.039 | 0.042 | 0.032 |
| 橡胶 | 0.025 | 0.041 | 0.035 | 0.045 | 0.011 |
| 塑料 | 0.028 | 0.042 | 0.038 | 0.048 | 0.001 |
| 织物 | 0.032 | 0.046 | 0.041 | 0.050 | 0.028 |
| 软橡胶 | 0.027 | 0.041 | 0.037 | 0.046 | 0.045 |
| 海绵 | 0.026 | 0.043 | 0.039 | 0.047 | 0.031 |
| 金属 | 0.029 | 0.044 | 0.040 | 0.049 | 0.020 |
| 陶瓷 | 0.031 | 0.045 | 0.042 | 0.054 | 0.001 |
), ArticleFig(id=1251457084051636616, tenantId=1146029695717560320, journalId=1251194703438200922, articleId=1251457070889911203, language=CN, label=表2, caption=
不同算法的分类效果对比
, figureFileSmall=null, figureFileBig=null, tableContent=
| 物品 | 不同算法的均方根误差 |
|---|
| 改进BP | CNN | RF | SVM | p值 |
|---|
| 木材 | 0.030 | 0.045 | 0.039 | 0.042 | 0.032 |
| 橡胶 | 0.025 | 0.041 | 0.035 | 0.045 | 0.011 |
| 塑料 | 0.028 | 0.042 | 0.038 | 0.048 | 0.001 |
| 织物 | 0.032 | 0.046 | 0.041 | 0.050 | 0.028 |
| 软橡胶 | 0.027 | 0.041 | 0.037 | 0.046 | 0.045 |
| 海绵 | 0.026 | 0.043 | 0.039 | 0.047 | 0.031 |
| 金属 | 0.029 | 0.044 | 0.040 | 0.049 | 0.020 |
| 陶瓷 | 0.031 | 0.045 | 0.042 | 0.054 | 0.001 |
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