机器人压阻阵列触觉数据采样的研究

压阻阵列触觉传感器为减少外接引线，一般来用行列电极结构，给触觉的扫描采样带来了噪声。随着阵列数的增加，提高传感器的频响，将直接影响它的实时处理。为此，设计了一种新的行扫描采样电路，解决了这二方面的问题．     

一种柔性三维力触觉传感器阵列的实现方法

介绍了一种可安装在曲面上,对三维力进行检测的柔性三维力触觉传感器阵列的实现方法.首先采用MEMS技术制备三维力触觉传感器阵列,再将多个三维力触觉传感器单元分别通过倒装焊技术集成在已加工好的柔性电路板基底上,实现了传感器与信号处理电路的互连和传感器阵列(4×4)的柔性化.采用信号选通的多路信号采集方法简化了传感器阵列的信号处理电路.测试结果表明,柔性触觉传感器阵列可弯曲变形90°以上,检测三维力的分辨率达到0.1 N.     

基于混沌电路的模拟式阵列触觉传感器A öD 转换电路

本文利用混沌帐篷映射电路对小信号敏感及非线性变换的独特性能 ,提出了一种新颖的适用于模拟式阵列触觉传感器的 A / D转换电路 ,具有调理放大和 A/ D转换功能一体化优点 ,并且电路简单、易于集成实现 ,可实现多路触觉信号的同时采样和 A / D转换     

一种新型柔性触觉阵列传感器信号处理电路设计

依据一种利用压阻特性的3×3点阵的柔性触觉传感器,设计了针对这种新型柔性触觉传感器的信号处理电路。该电路能完成信号放大、阵列信号的选通、A／D转换以及通过LED电路对其信号的采集。并详细地阐述了电路的原理和所用芯片的功能。所设计的信号处理电路能够判断出这种触觉传感器单元所受三维加载力的大小和位置。通过在正向压力的加载试验,验证了电路的可行性。     

基于氧化锆功能陶瓷的无源压力传感器的制备与测试

氧化锆功能陶瓷因其稳定的物理特性、机械韧性和高温鲁棒性得到了广泛的应用.从非接触无源信号测试技术的基础研究出发,以LC无源谐振电路为技术背景,提出了采用氧化锆流延生带来实现MEMS压力微结构的设计方案,并通过利用陶瓷生片叠片工艺技术和厚膜印刷技术成功制备了压力传感器.根据电感耦合原理实现了传感器的非接触环境压力测试,通过在最大耦合距离为1 cm的条件下测试获得的压力传感器的灵敏度为7.5 MHz/bar.本传感器有效避免了微器件封装、引线外联的问题,从而为以后压力传感器应用在较高温度环境奠定基础.     

压阻阵列触滑觉复合传感器

本文介绍了一种压阻式16×16点阵,间距为1mm的触觉传感器的结构、设计及制作方法, 对传感器采样电路的工作原理也作出了较详细的阐述．文中还简单介绍了阵列触觉图像处理 的方法和如何通过触觉图像的动态变化得到滑动信息,最后给出了传感器的实验结果和结论 ．     

银纳米线柔性压阻式触觉传感器的研究

触觉传感器是智能机器人感知外界环境和与人交互的关键环节。多种物理测量和高延展性使触觉传感器得到更广泛的应用。本文介绍了一种制造工艺简单、成本低廉的柔性触觉传感器。根据电阻的变化,可以检测温度和接触压力。设计了一种由PDMS膜、纸基银纳米线和PDMS膜组成的三明治结构。制备纸基银纳米线阵列,并在阵列末端用导电银膏引出铜线。整个传感器的尺寸为3cmx3cm。在实验过程中,测量了施加压力和改变表面温度时阵列交点处的电阻。结果表明,该传感器的压力检测灵敏度为2.8?/N,温度检测灵敏度为0.18?/oC。该传感器的结构和制备工艺简单可行,在机器人电子皮肤中具有广阔的应用前景。     

单向过载传感器厚膜混合集成电路

将传感器与信号调节电路利用厚膜电路工艺进行混合封装 ,完成了传感器的一体化 ,实现了传感器的小型化     

可拼接式全柔性电容触觉阵列传感器设计与实验

针对现有机器人触觉传感器存在可穿戴性与可移植性差、不易维护及扩展等缺点,提出了一种可用于机器人仿生皮肤的全柔性电容式触觉传感器,并设计成12×12正方形触觉传感阵列和正六边形触觉模块两种可拼接式阵列结构.以炭黑填充硅橡胶作为电容式触觉传感器的弹性电介质,聚酰亚胺为柔性基体,有机硅导电银胶和金属膜为上下两柔性极板,共同构成压力敏感单元.介绍了电容式柔性触觉传感器的工作原理、结构设计及两种与之对应的电容触觉阵列无线数据采集与处理系统.实验结果表明,该全柔性电容式触觉阵列传感器及信号提取系统具有良好的稳定性与灵敏度,可用作人工皮肤实现全触觉感知.     

柔性仿生触觉传感器系统集成设计

设计了一种轻量级的触觉传感系统,基于压敏电阻将压力信号转换为电阻变化的原理,进一步转换为电压信号进行反相滤波处理,通过低功耗蓝牙芯片CC2541读取并无线传递触觉信息.整个系统采用仿生手指结构设计,指尖覆盖与皮肤触感相近的硅胶,柔顺传递接触力.整个电路包含供电模块、电源管理模块、触觉采样处理模块和信号传递模块,集成在第二指节内.整个传感器系统集成度高,便于实际应用.     

Only connect: teaching, technology and telesis

Abstract This paper describes an approach to the design of interactive multimedia materials being developed in a European Community project. The developmental process is seen as a dialogue between technologists and teachers. This dialogue is often problematic because of the differences in training, experience and culture between them. Conditions needed for fruitful dialogue are described and the generic model for learning design used in the project is explained.     

European Community policy and the market

Abstract This paper starts with some reflections on the policy considerations and priorities which are shaping European Commission (EC) research programmes. Then it attempts to position the current projects which seek to capitalise on information and communications technologies for learning in relation to these priorities and the apparent realities of the marketplace. It concludes that while there are grounds to be optimistic about the contribution EC programmes can make to the efficiency and standard of education and training, they are still too technology driven.     

一种自适应子融合集成多分类器方法

融合集成方法已经广泛应用在模式识别领域,然而一些基分类器实时性能稳定性较差,导致多分类器融合性能差,针对上述问题本文提出了一种新的基于多分类器的子融合集成分类器系统。该方法考虑在度量层融合层次之上通过对各类基多分类器进行动态选择,票数最多的类别作为融合系统中对特征向量识别的类别,构成一种新的自适应子融合集成分类器方法。实验表明,该方法比传统的分类器以及分类融合方法识别准确率明显更高,具有更好的鲁棒性。     

Avoiding semantic and temporal gaps in developing software intensive systems

Development of software intensive systems (systems) in practice involves a series of self-contained phases for the lifecycle of a system. Semantic and temporal gaps, which occur among phases and among developer disciplines within and across phases, hinder the ongoing development of a system because of the interdependencies among phases and among disciplines. Such gaps are magnified among systems that are developed at different times by different development teams, which may limit reuse of artifacts of systems development and interoperability among the systems. This article discusses such gaps and a systems development process for avoiding them.     

基于QTE的蒙古文显示机制研究与实现

蒙古语言是中国蒙古族使用的通用语言,由于蒙古文区别于其他文字的书写方式和其自身变形机制等特点,在很多通用的文字处理引擎中都不被支持。在嵌入式产品开发与应用领域中Linux加QTE已经成为流行方式。该文给出了一种在QTE环境上实现基于标准Unicode的蒙古文点阵显示和变形算法, 并自定义了支持蒙古文的QTE组件,扩展了QTE功能,为在Linux加QTE方式的嵌入式体系结构中处理蒙古文提供了一种解决方法。     

Designing economic np control charts: A programmed simulation approach

This paper presents control charts models and the necessary simulation software for the location of economic values of the control parameters. The simulation program is written in FORTRAN, requires only 10K of main storage, and can run on most mini and micro computers. Two models are presented - one describes the process when it is operating at full capacity and the other when the process is operating under capacity. The models allow the product quality to deteriorate to a further level before an existing out-of-control state is detected, and they can also be used in situations where no prior knowledge exists of the out-of-control causes and the resulting proportion defectives.     

基于AD9626的模拟信号采集存储卡设计

自然界的绝大部分信号都是以模拟的形式存在,因此模拟信号的采集转换存储在数字时代十分关键。文章讨论了在雷达信号处理领域基于AD9626的AD采集存储卡的设计原理、硬件结构和程序设计与芯片配置等问题,为今后相关领域的研究提供了可参考的方案。     

The development of robot art

Going through a few examples of robot artists who are recognized worldwide, we try to analyze the deepest meaning of what is called “robot art” and the related art field definition. We also try to highlight its well-marked borders, such as kinetic sculptures, kinetic art, cyber art, and cyberpunk. A brief excursion into the importance of the context, the message, and its semiotics is also provided, case by case, together with a few hints on the history of this discipline in the light of an artistic perspective. Therefore, the aim of this article is to try to summarize the main characteristics that might classify robot art as a unique and innovative discipline, and to track down some of the principles by which a robotic artifact can or cannot be considered an art piece in terms of social, cultural, and strictly artistic interest. This work was presented in part at the 13th International Symposium on Artificial Life and Robotics, Oita, Japan, January 31–February 2, 2008     

煤矿井下安全监控分站的设计及其仿真实现

为了设计一种具有低成本、低功耗、易操作、功能强且可靠性高的煤矿井下安全分站,针对煤矿安全生产实际,文章提出了采用MCS-51系列单片机为核心、具有CAN总线通信接口的煤矿井下安全监控分站的设计方案;首先给出煤矿井下安全监控分站的整体构架设计,然后着重阐述模拟量输入信号处理系统的设计过程,最后说明单片机最小系统及其键盘、显示、报警、通信等各个组成部分的设计;为验证设计方案的可行性与有效性,使用Proteus软件对设计内容进行仿真验证,设计的煤矿井下安全监控分站具有瓦斯、温度等模拟量参数超标报警功能和电机开停、风门开闭等开关量指示功能;仿真结果表明:设计的煤矿井下安全监控分站具有一定的实际应用价值.     

A human-computer interface for non-computer specialists

The COM teleconferencing system was designed to be easy to use for both beginners and people with much computer experience. A number of design choices in organizing the human-computer interface were considered very carefully. These design problems are not unique for teleconferencing applications, but will appear in many other developments of human-computer interfaces for non-computer specialists. This report discusses naming conventions, menu format, user commands, help facility and the treatment of ‘type ahead’ from the users.