一种基于UWB穿戴式网络的调度算法

可穿戴式计算机是近几年的一个研究热点,穿戴式网络多个节点之间的协调通信一直是影响穿戴式计算机发展的一个重要原因,因此有必要对穿戴式网络通信进行优化。文中介绍了可穿戴式计算机以及穿戴式网络。论述了穿戴式网络中常用的几种网络技术的优缺点。然后重点解析了UWB（Ultra—WideBand）的结构模型,以及UWB通信机制,在UWB通信机制的基础上引入了动态调度的思想,由此引出具有优先级的动态UWB网络调度算法。此调度算法能够很好地协调穿戴式网络节点之前的通信,有利于推进可穿戴式计算机的发展。     

基于可穿戴计算平台的文境感知技术及其应用

可穿戴计算机是计算机行业的一个新兴领域,是一种典型的嵌入式系统。它具有很高的学术研究价值和巨大的市场应用前景。本文介绍了可穿戴计算机和可穿戴计算技术,重点分析了其中的文境感知技术,并举例讨论了文境感知技术的一种应用实现。     

Operators in Process Industry: Interaction with Wearable Computers

Field operators need access to and interaction with more information than is available today during field operations. Wearable computers can provide relevant information with hands-free interaction techniques to support work tasks in the field. Potential implications of introducing wearable computers are collaboration, information overload, situation awareness and social relationships. Interaction techniques between humans are natural and well known and include voice, gestures, eye movements and biopotentials. Voice is a promising interaction technique for wearable computers, assuming improvements for rough and noisy environments. Wearable computers may change the roles and responsibilities while providing extended support for communication and collaboration. Field operators will be better prepared to prevent failures and secure quality. Control room operators will perform more administrative and management tasks. Correspondence and offprint requests to: C. Skourup, ABB AS, Corporate Research Center, Bergerveien 12, PO Box 90, N-1375 Billingstad, Norway. Email: charlotte.skourup@no.abb.com     

Issues in the design and use of wearable computers

Wearable computers are fully functional, self-powered, self-contained computers that allow the user to access information anywhere and at any time. In this paper, design issues for wearable computers are discussed, including power considerations, use of input devices, image registration, and the use of wearable computers for the design of smart spaces. Application areas for wearable computers are presented, including medicine, manufacturing, maintenance, and as personal assistants. Finally, future research directions for wearable computers are indicated.     

佩戴式虚拟现实技术

佩戴式虚拟现实系统可以让用户带着计算机进入真实世界 ,所以它对诸如医生、军人、消防队员等有着非常多的应用。本文介绍了佩戴式虚拟现实系统的概念、应用和产品 ,重点阐述了佩戴式虚拟现实系统的构成和关键技术     

Ubiquitous interaction with positioning and navigation using a novel light sensor-based information transmission system

This paper describes a novel light sensor-based information transmission system for indoor positioning and navigation with particular benefits for mobile and wearable computers. It can seamlessly extend outdoor GPS tracking to the indoor environment. In a novel manner, fluorescent light is used as the medium to transmit information, which is encoded by using a pulse-frequency modulation technique. The user receives the encoded light information through a photo-receiver. The information is passed into the wearable or mobile computer after the data is decoded. This information allows positioning information to be given to indoor mobile and wearable computers. We design an economical transmitter circuit by adding few components to a commercial electronic ballast circuit for fluorescent lamps with price of less than US $10. The propose system can be used in indoor guidance and navigation applications. Exemplary applications are included in the paper, with experimented results detailed.     

Wearable devices: new ways to manage information

Although the Information Age has many upsides, one of its major downsides is information overload. Indeed, the amount of information easily pushes the limit of what people can manage. This conflict drives research to seek a solution to humanity's information woes. As computers have shrunk from room size to palm size, so they have also moved from being passive accessories, such as laptops and personal digital assistants, to wearable appliances that form an integral part of our personal space. Wearable computers are always on and accessible. As the computer moves from desktop to coat pocket to the human body, its ability to help manage, sort, and filter information will become more intimately connected to our daily lives. The paper discusses the principles of wearable computers     

The Well Mannered Wearable Computer

In this paper we describe continuing work being carried out as part of the Bristol Wearable Computing Initiative. We are interested in the use of context sensors to improve the usefulness of wearable computers. A CyberJacket incorporating a Tourist Guide application has been built, and we have experimented with location and movement sensing devices to improve its performance. In particular, we have researched processing techniques for data from accelerometers which enable the wearable computer to determine the user’s activity. We have experimented with, and review, techniques already employed by others; and then propose new methods for analysing the data delivered by these devices. We try to minimise the number of devices needed, and use a single X-Y accelerometer device. Using our techniques we have adapted our CyberJacket and Tourist Guide to include a multimedia presentation which gives the user information using different media depending on the user’s activity as well as location.     

The case for reconfigurable hardware in wearable computing

Wearable computers are embedded into the mobile environment of their users. A design challenge for wearable systems is to combine the high performance required for tasks such as video decoding with the low energy consumption required to maximise battery runtimes and the flexibility demanded by the dynamics of the environment and the applications. In this paper, we demonstrate that reconfigurable hardware technology is able to answer this challenge. We present the concept and the prototype implementation of an autonomous wearable unit with reconfigurable modules (WURM). We discuss experiments that show the uses of reconfigurable hardware in WURM: ASICs-on-demand and adaptive interfaces. Finally, we present an experiment with an operating system layer for WURM.     

Sensory-augmented computing: wearing the museum's guide

Personal computers have not lived up to their name. Most machines sit on a desk and interact with users for only a small fraction of the day. Notebook computers have become smaller and faster, enabling mobility but the same staid user paradigm persists. Typically you must stop everything you're doing, use both hands, and give the computer your full attention. Wearable computing is poised to shatter our preconceptions of how we should use a computer. A personal computer should be worn like eyeglasses or clothing and continuously interact with the user on the basis of context. With heads-up (head-mounted) displays, unobtrusive input devices, personal wireless local area networks, and a host of other context-sensing and communication tools, wearable computers may act as intelligent assistants. It is argued that a wearable computing device that perceives its surroundings and presents multimedia information through a heads-up display can behave like an intelligent assistant to fulfill the promise of personal computing     

Spatial information displays on a wearable computer

Increasing portability of computing power marks a broad emerging trend in advanced human-computer interaction. Wearable computers, the next generation of portable machines, worn on the body, provide constant access to computing and communications resources. However, wide adoption of wearable computers first requires solving unique interface challenges. One of the most important is how to present and interact with information in a wearable environment. We designed and evaluated three methods for presenting information in a wearable environment. Subjects found spatial displays easier and more effective. Spatial audio and visual cues further enhanced performance     

基于可穿戴计算的车间作业辅助应用研究

将可穿戴计算技术引入制造业设备维护应用领域,设计可穿戴作业辅助应用系统。首先结合无线传感、穿戴传感等构建车间模拟实验环境,设计可穿戴计算机系统原型;进而针对环境信息实体的上下文特征,结合领域知识本体、模糊决策树等方法,建立了一种新的上下文驱动的可穿戴作业辅助应用构建模式;最后给出了应用实例及分析。     

可穿戴计算机及其应用

一种新奇的可穿戴计算机诞生并开始成长了 ,它使得人们从传统的电脑框框中跳了出来 ,从人围着计算机转改变为计算机围着人转 ,计算机真正成为了人们工作和生活的助手。未来的日子里 ,它可能与你如影随形。     

Assessing the physical loading of wearable computers

Wearable computers enable workers to interact with computer equipment in situations where previously they were unable. Attaching a computer to the body though has an unknown physical effect. This paper reports a methodology for addressing this, by assessing postural effects and the effect of added weight. Using the example of arm-mounted computers (AMCs), the paper shows that adopting a posture to interact with an AMC generates fatiguing levels of stress and a load of 0.54 kg results in increased level of stress and increased rate of fatigue. The paper shows that, due to poor postures adopted when wearing and interacting with computers and the weight of the device attached to the body, one possible outcome for prolonged exposure is the development of musculoskeletal disorders.     

基于头戴式双目相机的智能变电站巡检巡视系统设计

可穿戴式计算机技术属于用户的个人空间技术,是一类可穿戴的个人移动计算系统,在电网现场巡检巡视工作中的科学的应用可穿戴计算机系统,能够有效的高作业效率。本文针对智能变电站巡检巡视作业环境的特点和需求,设计出了一套基于头戴式双目相机技术的智能变电站巡检巡视系统,提出了一种抽象概要地图构建方法,实现了基于环境概要地图的智能变电站巡检巡视作业人员的全局定位和稳定的前后台通信并对系统的有效性和可靠性进行了验证     

一种基于无线传感器网络的导游信息系统

在无线传感器网络体系结构基础上,以可穿戴计算机为移动节点并结合智能节点,提出了一种新型的导游信息系统。阐述了该信息系统的体系结构;设计并实现了符合系统需求的可穿戴计算机和智能节点;介绍了一种新型导游信息系统的软件架构,分析了其中的重要层次,并编写了相应的应用软件;设计并实现了一种校园旅游应用。     

The Borg–eye and the We–I. The production of a collective living body through wearable computers

AI & SOCIETY - The aim of this work is to analyze the constitution of a new collective subject thanks to wearable computers. Wearable computers are emerging technologies which are supposed to...     

Factors causing uncertainties in outdoor wireless wearable communications

Wearable computers are becoming increasingly popular as new features emerge and device portability improves-making them suitable for accessing multimedia services on the move. Wireless LANs are compatible with Ethernet and asynchronous-transfer-mode-based fiber-optic networks, providing high mobility to user nodes while integrated and connected to high-speed networks wired with broadband. With a range covering several kilometers, WLANs are advantageous for providing multimedia services to wearable computers. Various factors influence the operation of wirelessly connected wearable computers, but we emphasize the rainfall influence.     

基于SOPC的可穿戴计算机动态重构模块设计与实现

针对可穿戴计算机任务的多变性及多样性,研究通过动态重构技术和SOPC设计方法两者相结合来制造适合可穿戴计算机的动态重构方式,同时对基于SOPC的可穿戴计算机动态重构模块进行了设计与实现．．     

A tool to assess the comfort of wearable computers

Wearable computer comfort can be affected by numerous factors, making its assessment based on one value with one scale inappropriate. This paper presents a tool that measures wearable comfort across six dimensions: emotion, attachment, harm, perceived change, movement, and anxiety. The dimensions for these comfort rating scales were specifically developed for wearable equipment assessment by applying multidimensional scaling to a comfort term association matrix developed using the results of groupings of wearable computer comfort terms. Testing the scales on four different types of wearable computer showed that the scales can be used to highlight differences in comfort between different types of technology for different aspects of comfort. An intraclass correlation of .872 suggested that the scales were used with a high level of reliability. A second study showed that modifications made to a wearable computer resulted in improvements in comfort, although they were not significant (p > .05). A potential application for this research is as an aid to designers and researchers for assessing the wearability, in terms of comfort, of wearable computer devices and to determine the effectiveness of any modifications made to the design of a wearable device.