基于聚偏二氟乙烯步态智能检测的乘客计数系统

doi:10.11772/j.issn.1001-9081.2015.12.3602

计算机应用 ›› 2015, Vol. 35 ›› Issue (12): 3602-3606.DOI: 10.11772/j.issn.1001-9081.2015.12.3602

基于聚偏二氟乙烯步态智能检测的乘客计数系统

谢瑜, 胡昕彤, 孟希赟, 刘云杰

厦门大学物理与机电工程学院, 福建厦门 361005

收稿日期:2015-05-08 修回日期:2015-07-13 出版日期:2015-12-10 发布日期:2015-12-10
通讯作者: 谢瑜(1979-),女,福建南平人,讲师,博士,主要研究方向:运动控制、生物医疗机器人
作者简介:胡昕彤(1994-),女,湖南常德人,主要研究方向:电气工程;孟希赟(1993-),男,江苏无锡人,硕士研究生,主要研究方向:电气工程;刘云杰(1993-),男,江苏扬州人,硕士研究生,主要研究部方向:电气工程。
基金资助:
厦门大学大学生创新创业训练计划项目(2014X0316)。

Passenger counting system based on intelligent detection of polyvinylidene fluoride human gait

XIE Yu, HU Xintong, MENG Xiyun, LIU Yunjie

School of Physics and Mechanical & Electrical Engineering, Xiamen University, Xiamen Fujian 361005, China

Received:2015-05-08 Revised:2015-07-13 Online:2015-12-10 Published:2015-12-10

摘要/Abstract

摘要： 针对现有的以低成本、耐损耗的聚偏二氟乙烯(PVDF)为压电材料的客流计数传感器存在的误计数、漏计数而导致精度不够的问题,提出了一种基于PVDF步态智能检测技术的乘客计数系统。采用ANSYS软件对乘客上下车步态作应力分析,观察PVDF压电信号的分布规律,设计多输入信号调理电路获取多通道足底信号,结合信号处理算法,设计了传感器机械结构和基于实验室虚拟仪器集成环境(LabVIEW)的公交车人数统计系统。实验结果表明,该系统平均计数误差为5.3%,与已有的PVDF客流计数传感器相比,提高了精度;与视频图像计数和人体红外检测技术相比,大大降低了成本,具有很高的实用性,可以广泛应用于我国公共交通客运车。

关键词: 自动乘客计数, 聚偏二氟乙烯薄膜, 受力分析, 电路设计, 实验室虚拟仪器集成环境

Abstract: The existing passenger flow counting sensors with PolyVinyliDene Fluoride (PVDF) piezoelectric material exist the lack of accuracy caused by erroneous counting and missing counting, which has characteristics of low cost and resistance to wear and tear. In order to solve the problem, a passenger counting system based on PVDF gait intelligent detection technology was proposed. The ANSYS software was applied to carry out stress analysis of passengers' gait stepping on and off the bus and observe the distribution of the PVDF piezoelectric signal. The multi-input signal conditioning circuit was designed to acquire multi-channel plantar signal. Combined with signal processing algorithm, the sensor mechanical structure and people-counting system on buses were introduced by Laboratory Virtual Instrument Engineering Workbench (LabVIEW).The experimental results indicate that the proposed system improves the precision in comparison with the existing PVDF passenger flow counting sensors, reduces the cost in comparison with video image counting and human body infrared detection technology, and the average counting error is 5.3%.The proposed system has high practicality and can be widely used in Chinese public transport buses.

Key words: Automatic Passengers Counting (APC), PolyVinyliDene Fluoride (PVDF) film, stress analysis, circuit design, Laboratory Virtual Instrument Engineering Workbench (LabVIEW)

中图分类号:

TP212.6

谢瑜, 胡昕彤, 孟希赟, 刘云杰. 基于聚偏二氟乙烯步态智能检测的乘客计数系统[J]. 计算机应用, 2015, 35(12): 3602-3606.

XIE Yu, HU Xintong, MENG Xiyun, LIU Yunjie. Passenger counting system based on intelligent detection of polyvinylidene fluoride human gait[J]. Journal of Computer Applications, 2015, 35(12): 3602-3606.

参考文献

[1] HASSAN K, SAM A, MACHUVE D. Overview on passengers overload control in public buses case study[J]. International Journal of Engineering and Computer Science, 2013, 2(8):2536-2540.
[2] ZHAO M. Automatic passenger counting based on multi-objects recognition[D].Chongqing:Chongqing University,2006:1-6. (赵敏.基于多运动目标识别的自动乘客计数技术研究[D].重庆:重庆大学,2006:1-6.)
[3] YE Z. Passenger counting system using video analysis:China, 200910189620[P]. 2010-03-17. (叶仲元.借助视频分析的公交车人数统计系统:中国,200910189620[P].2010-03-17.)
[4] WANG J, FAN Q, BAI L. DTW based automatic passenger counting system using infrared sensors[J]. Measurement & Control Technology, 2008, 27(6):32-35. (王君伟,范启富,白凌云.基于DTW的红外乘客计数系统[J].测控技术,2008,27(6):32-35.)
[5] PAVLIDIS I, SYMOSEK P, FRITZ B, et al. Automatic detection of vehicle passengers through near-infrared fusion[C]//Proceedings of the 1999 IEEE Conference on Intelligent Transportation Systems. Piscataway:IEEE, 1999:304-309.
[6] ZHU J. Preparation and performance study of PVDF piezoelectric film and sensor[D]. Harbin:Harbin Institute of Technology, 2012:1-6. (朱金海.PVDF压电薄膜及其传感器的制备与性能研究[D].哈尔滨:哈尔滨工业大学,2012:1-6.)
[7] SHU F,JIANG S,ZHANG X, et al. Application of PVDF piezoelectric-film to foot-pressure measurement[J]. Piezoelectrics & Acoustooptics, 2008, 30(4):514-516. (舒方法,姜寿山,张欣,等.PVDF压电薄膜在足底压力测量中的应用[J].压电与声光,2008,30(4):514-516.)
[8] DU Y,SONG Y,SUN B. Research on the theory of strain sensing using PVDF film and its strain monitoring system[J]. Journal of Shijiazhuang Railway Institute, 2006,19(1):1-4. (杜彦良,宋颖,孙宝臣.PVDF压电薄膜结构监测传感器应用研究[J].石家庄铁道学院学报,2006,19(1):1-4.)
[9] REN C. The design of pulse sensor based on PVDF piezoelectric film[D].Dalian:Dalian University of Technology,2011:2-14. (任程诚.基于PVDF压电薄膜的脉博传感器设计[D].大连:大连理工大学,2011:2-14.)
[10] SHU F, SHI J. Research on a measurement system for human pulse using PVDF piezoelectric-film[J]. Piezoelectrics & Acoustooptics, 2008, 30(1):124-126. (舒方法,石俊.基于PVDF压电薄膜的脉搏测量系统研究[J].压电与声光,2008,30(1):124-126.)
[11] CAO Y. Passenger flow statistical device:China, 200420063297.8[P]. 2005-09-14. (曹野源.公共交通客流统计器:中国,200420063297.8[P].2005-09-14.)
[12] LIU L, SHEN H. Design and realization of a detection program of conductive slip ring based on LabVIEW[J]. Communications and Network, 2013, 5(1):5-8.
[13] ZENG Z, YU W. Application of the structure optimization techniques in mechanical design by ANSYS[J]. Manufacture Information, 2009, 38(13):33-37. (曾志华,虞伟建.ANSYS结构优化技术在机械设计中的应用[J].中国制造业信息化,2009,38(13):33-37.)
[14] WANG Y, GAI Y, KANG L, et al. PVDF piezoelectric film based force measuring system[J]. Research Journal of Applied Sciences, Engineering and Technology, 2012, 4(16):2857-2861.
[15] WANG D, ZHOU D, LIU J, et al. PVDF piezoelectric-film vibrating sensors and its signal processing system[J]. Piezoelectrics & Acoustooptics,1994, 21(2):122-126. (王代华,周德高,刘建胜,等.PVDF压电薄膜振动传感器及其信号处理系统[J].压电与声光,1994,21(2):122-126.)
[16] HE J, ZHOU Y. Research on quasi-static characteristics of the electric charge amplifier for piezoelectric transducers[J].Journal of East China University of Technology,1995,17(2):28-32.(何建中,周贻洁.压电传感器二次仪表一电荷放大器的准静态特性研究[J].华东工业大学学报,1995,17(2):28-32.)
[17] LI Y, AI Z, LIU Q. Designing method of a novel charge amplifier and its circuit[J]. Journal of Hefei University of Technology:Natural Science, 2006, 29(12):1609-1612. (李勇,艾竹君,刘巧云.一种新型电荷放大器的设计方法与电路[J].合肥工业大学学报:自然科学版,2006,29(12):1609-1612.)
[18] ZHENG D. Proficient in LabVIEW virtual instrument programming[M]. Beijing:Tsinghua University Press, 2012:411.(郑对元.精通LabVIEW虚拟仪器程序设计[M].北京:清华大学出版社,2012:411.)
[19] HALA M, ABDEL M, ALI M, et al. Electrical metrology applications of LabVIEW software[J]. Journal of Software Engineering and Applications, 2013, 6(3):113-120.

基于聚偏二氟乙烯步态智能检测的乘客计数系统

Passenger counting system based on intelligent detection of polyvinylidene fluoride human gait

PDF

可视化

摘要/Abstract

引用本文

使用本文

参考文献

相关文章 1

编辑推荐

Metrics