一种双探头纸张定量传感器故障诊断方法研究

介绍了一种双探头纸张定量传感器的原理及性能，给出了基于卡尔曼滤波器的传感器故障诊断算法，将其用于造纸过程纸张量传感器，实现了对传感器探头部分部件故障的探明和隔离，从而使传感器的可靠性得以提高，仿真实验研究结果表明，文中所给出的故障诊断方法及能准确地探明和隔离出传感器连续性和间断性故障。     

用PVCF制作的机器人传感器

在分析ＰＶＤ敏感特性的基础上，阐述了用该材料研制的三缩腕力传感器，阵列压力传感器及热觉传感器，给出了三种传感器的结构及相应信号处理方法。     

简述模拟传感器

概述了模糊传感器的研究意义及概念，简要介绍了模糊传感器的理论基础及实现方法，并举例说明了模糊传感器的应用。     

造纸过程纸张定量传感器故障诊断方法研究

本文介绍一种作者提出的容错型纸张定量传感器的原理及性能，给出了应用卡尔曼滤波器的传感器故障诊断算法，与容错型纸张定量传感器结合，实现了对传感器部分部件故障的容错，从而提高了传感器的可靠性。仿真实验结果表明，文中所给的故障诊断方法能及时准确探明和隔离出传感器故障。     

国外模糊色彩传感器的研究现状

简要介绍了模糊传感器的概念与功能，详细论述了国外模糊色彩传感器样机的研究动态，并总结了模糊传感器的特点及发展趋势．     

压电涂层──一种新型振动传感器

介绍了压电涂层传感器的基本组成及制备过程．分析了影响传感器效能的主要参数，给出了压电涂层传感器设计的一般准则，提出了今后研究问题．     

低成本数字称重传感器

用压电谐振器制作了数字称重传感器，论述了该传感器的机理、结构及性能特点，实验结果表明该传感器具有良好的线性和稳定性，成本较低．     

一种新型双极板电容接近觉传感器

介绍了一种新型双极板电容接近觉传感器，该传感器不仅能检测导体，而且能检测非导体对象的接近度．对该传感器的原理、结构及检测方法作了研究和讨论，并给出了初步实验结果及分析．     

谈传感器的命名、分类及图形符号

根据国家标准ＧＢ７６６５、ＧＢ７６６６及ＧＢ／Ｔ１４４７９规定的技术内容，阐述了传感器的命名方法、分类体系及图形符号，并就传感器与敏感元件的基本概念做了初步探讨，以期在传感器行业建立统一的规范的技术语言。     

智能传感器.网络传感器.信息传感器

本文论述了智能传感器，网络传感器，信息传感器自自的概念特点及相关技术方案，特别提出了“信息传感器”这一新概念，指出其具有的理论价值和广泛的应用前景。     

PVDF力觉传感器的研究

提出了一种利用有机压电材料PVDF制作机器人腕力传感器的新方法。它利用弹性体的变形及PVDF的拉伸-电特性,使力传感器直接输出六路电荷信号对应传感器的三向受力。这种传感器应用于动态测力时,响应速度快,无时漂,长期使用不用重新标定。     

三维柔性触觉/热觉传感器设计与仿真

针对目前触觉传感器研究中不能兼有柔韧性、多维力测量和热觉与触觉信号混杂等难题,设计了一种柔性多功能触觉/热觉传感器。介绍了该传感器的基本结构,并基于聚偏氟乙烯（ PVDF）薄膜的特性建立了三维力并行测量的数学模型。触觉检测基于PVDF的压电效应,热觉检测基于PVDF的热释电效应。通过对触觉和热觉信号做比例减法运算,从而彻底区分触觉和热觉信号。     

敏感高分子“人工皮肤” 力觉感受器 的数学理论依据

本文以PVDF敏感材料的结构性能为出发点,对机器人触觉传感器——人工皮肤的理论基础进行了研究,并就PVDF的压电性从弹性力学的角度进行了分析。在此基础上给出了这一变形体的非线性动态系统的数学描述,为精确而有效地采集力觉感受器的压电信号奠定了基础,为机器人触觉力传感器的设计与制造提供了理论依据。     

PVDF-Based Microfabricated Tactile Sensor for Minimally Invasive Surgery

This paper aimed to develop a miniaturized tactile sensor capable of measuring force and force position in minimally invasive surgery. The in situ measurement of tactile information is a step forward toward restoring the loss of the sense of touch that has occurred due to shift from traditional to minimally invasive surgeries. The sensor was designed such that it can sense low forces which could be comparable to those produced by pulsating delicate arteries, yet can withstand high forces comparable to grasping forces. The influence of some hidden anatomical features, such as lumps, voids, and arteries, on the stress distribution at the grasping surface was studied. In this paper, the capability of the sensor to determine and locate any point load was also investigated. The proposed sensor was designed and manufactured to be highly sensitive, using polyvinylidene fluoride (PVDF). The microfabrication procedure of the sensor, including corner compensation for toothlike projections and patterning of PVDF film, was discussed. The micromachined sensor was tested, and the experimental results were compared with the results of 3-D finite element modeling. $hfill$[2007-0286]      

基于PVDF传感器的阶梯梁实验模态分析

以两端固定阶梯梁为例,采用多点激励、单点测量方法通过矩形聚偏氟乙烯（ PVDF）压电薄膜传感器进行实验模态分析,并与数值计算结果和小质量加速度计实验结果进行对比。理论计算和实验表明：PVDF传感器可以代替传统的加速度计进行实验模态分析,对阶梯梁模态分析效果很好,并且PVDF传感器具有连续分布式、质量轻、频响宽、价格相对低廉等优点。     

A micromachined piezoelectric tactile sensor for an endoscopicgrasper-theory, fabrication and experiments

Present-day commercial endoscopic graspers do not have any built-in sensors, thus, the surgeon does not have the necessary tactile feedback to manipulate the tissue safely. This paper presents the design, fabrication, testing, and experimental results of a micromachined tactile sensor, which can be integrated with the tips of commercial endoscopic graspers. The prototype sensor consists of three layers. The top layer is made of micromachined silicon with a rigid tooth-like structure similar to the present-day endoscopic grasper. The bottom layer is made of flat Plexiglass serving as a substrate. Packaged between the Plexiglass and the silicon is a patterned Polyvinglidene Fluoride (PVDF) film. The proposed sensor exhibits high sensitivity, a large dynamic range, and a high signal-to-noise ratio. Through experimental results, it is shown that the magnitude and position of an applied force can be determined from the magnitude and slope of the output signals from the PVDF sensing elements. Structural analysis is also performed using the finite-element method, and the results are compared with the experimental analysis. The advantages and limitations of this sensor are also reported. A discussion of how the design of the sensor can be integrated with the design of an endoscopic grasper is also presented     

导管操作系统中力觉传感器信息的获取与控制研究

针对导管操作系统中力觉传感器反馈力的获取与控制进行了研究,导管前端采用光纤力传感器测量导管的顶端力;导管侧壁采用基于PVDF材料开发的微力传感器来测量导管的侧壁力。该导管操作系统对力觉传感器的输出信息进行了监测,实现了一种带有受力信息监测的主—从模式的新型导管操作系统。实验结果表明:该系统能够较好地实现受力信息的反馈。     

间接接触法测量人体脉搏的研究

常用于人体脉搏测量的PVDF压力传感器由于测压端面积较大,且采用直接接触法进行脉搏测量,这样,由于测压端面积较大将产生位置相关性影响,同时由于直接接触还会产生一系列不利的影响.为了避免或减小这些影响,获得更为准确的脉搏信息,在PVDF压力传感器下面垫一水囊采用间接接触的方法进行人体脉搏的测量,并将测量结果通过数据采集卡送入计算机,并利用有关软件得到脉图和对应的频谱图.通过分析,其结果与本人的实际基本相符.可见间接接触法测量脉搏是可行的.     

阵列式压电模态传感器的实验研究

通过一组阵列式压电薄膜,设计未知边界条件下振动梁的模态传感器。在梁表面均匀布置一组具有相同形状的矩形聚偏氟乙烯(PVDF)薄膜,通过测量PVDF输出与激励力之间的频率响应函数,利用伪逆方法设计这组PVDF的加权系数,从而实现对结构模态坐标的测量。实验研究表明:该方法设计的模态传感器具有良好的滤波效果,非目标阶模态坐标峰值与目标阶相比,下降了12 dB以上,并且不需要预先知道结构的边界条件或者模态信息。进一步讨论了当振动梁的边界条件发生微小扰动时所设计模态传感器的鲁棒性。     

Development of tactile sensor for measuring hair touch feeling

In this paper, a tactile sensor system for evaluation of human hair under dry and wet conditions is developed. The polyvinylidene fluoride (PVDF) film is used as the sensory material. The sensor consists of an acrylic base, a silicone rubber, a PVDF film. A surface projection is put on the PVDF film as the contacting part. The sensor output is obtained by contacting and scanning objects. Panels imitating the physical and chemical properties of human hair surface are fabricated and used as measuring objects for stable measurement. Panels cleaned down with several kinds of hair-care products are measured by the sensor. By comparison between the sensor output and human sensory evaluation, it was confirmed that the sensor outputs have a good correlation with human sensory evaluation. It was found that the sensor system is available for monitoring hair conditions in both dry and wet conditions.