Interactive web-based hypermedia coordination

Multimedia Tools and Applications - This paper discusses the interactive coordination of hypermedia documents’ components in the world wide web environment, proposing a design space based on...     

Interactive display technologies

Abstract— The current state of the art of interactive displays, the main principles of their operation, and their functional characteristics are reviewed. Special attention is given to interactive displays with contactless control; in particular, to photo‐sensitive displays. A number of photo‐sensitive display cell designs are considered, as well as the problems related to the production of such cells. The results of the authors' research in this field are presented.     

A web-based distributed problem-solving environment for engineering applications

In this study, a prototype of web-based distributed problem-solving environment (W-DPSE) is presented to facilitate computer aided engineering (CAE) technologies. This system provides an effective approach to distributed modeling and simulation, and in addition, to support networked collaboration such that scientists around the world could interactively, visually and experimentally explore their daily design work through the proposed system. The W-DPSE system is constructed as a three-tiered architecture, consisting of three major layers: a web client presentation interface (WCPI), computing solver servers (CSS), and a system management server (SMS). All the components within this architecture are implemented with an object-oriented approach—Java while transparent communication across these three layers is attained through the remote method invocation (RMI) technology. To generalize the applicability of the system so as to accommodate interdisciplinary and diversified applications, a novel and efficient interface is developed for wrapping legacy computation codes, including C and FORTRAN etc., as a Java component. Note that in the interface, the communication mechanisms between Java objects and legacy codes are implemented by way of java native interface (JNI) and Unix inter-process communication (IPC) provided by OS. At last, the applicability of the W-DPSE system is extensively confirmed through the practices of two engineering applications: topology optimization of structures and pollutant transport simulations of coastal waters.     

Future Internet technologies for environmental applications

This paper investigates the usability of Future Internet technologies (aka “Generic Enablers of the Future Internet”) in the context of environmental applications. The paper incorporates the best aspects of the state-of-the-art in environmental informatics with geospatial solutions and scalable processing capabilities of Internet-based tools. It specifically targets the promotion of the “Environmental Observation Web” as an observation-centric paradigm for building the next generation of environmental applications. In the Environmental Observation Web, the great majority of data are considered as observations. These can be generated from sensors (hardware), numerical simulations (models), as well as by humans (human sensors). Independently from the observation provenance and application scope, data can be represented and processed in a standardised way in order to understand environmental processes and their interdependencies. The development of cross-domain applications is then leveraged by technologies such as Cloud Computing, Internet of Things, Big Data Processing and Analytics. For example, “the cloud” can satisfy the peak-performance needs of applications which may occasionally use large amounts of processing power at a fraction of the price of a dedicated server farm. The paper also addresses the need for Specific Enablers that connect mainstream Future Internet capabilities with sensor and geospatial technologies. Main categories of such Specific Enablers are described with an overall architectural approach for developing environmental applications and exemplar use cases.     

Evolving technologies for new Internet applications

What will drive the Internet as new multimedia applications demand an infrastructure that enables greater network capacity and support for multicast and quality of service than the traditional TCP/IP and router-based structure? This article surveys seven key technologies that show promise     

Engineering Web technologies for embedded applications

The founder of Agranat Systems examines the design issues involved in engineering effective Web technologies for embedded systems. Small embedded TCP/IP stacks and Web server software now make it possible to manufacture reliable, inexpensive Web-enabled devices across many industries and markets. Embedded systems require Web servers that are designed to minimize memory footprint and avoid interference with mission-critical and real-time applications. To guarantee a reliable user interface with minimal impact on system performance, the server software should utilize the latest HTTP 1.1 standards from the Internet Engineering Task Force. It won't be long before intelligent devices worldwide will be nodes on a network and managed from Web browsers     

微光电子机械系统技术及其应用

概述微光电子机械系统(MOEMS)技术发展历史,分析其现状.以美国陆军研究开发和工程指挥部的“战略研究规划”中的7个研究领域为例,分析MOEMS技术应用潜力和未来发展趋势.提出现在MOEMS工程遇到的技术挑战:MOEMS加工工艺,达到全反射的光学表面的加工工艺,可与电子线路和MOEMS集成兼容的CMOS半导体材料,MO...     

Web协同应用中基于文档划分的一致性维护模型

针对已有的Web协同应用中的一致性维护方法会带来严重的服务器耗费问题,提出了一种基于文档划分的一致性维护模型。该模型在操作转换算法SLOT(symmetric linear operational transformation)的基础上引入文档划分的思想。从降低服务器通信和内存耗费的角度出发,结合用户数量和操作频率的变化,给出一种动态的文档划分策略及其实现算法。仿真实验结果表明,该模型可以有效地降低大规模协同应用中服务器的通信和内存耗费。     

LIGA相关技术及应用

微电子机械系统(MEMS)技术的兴起及其在现代信息社会中的广泛应用,推动了能实现高深宽比三维微细加工的LIGA及准LIGA技术的迅速发展。介绍了LIGA相关技术的发展状况并举例说明了它们在射频、光学等方面上的一些应用。     

Optical measurement systems and technologies for scientific and industrial applications

The solution of actual problems of science and industry requires application of innovative optical measurement systems. This article presents the results of the Technological Design Institute of Scientific Instrument Engineering in the development of measurement systems for scientific research as well as for application to nuclear safety and to the railway, petroleum, and other industries.     

Interactive approaches for biobjective problems with progressively changing solution sets

In this study, we develop interactive approaches to find a satisfactory alternative of a decision maker (DM) having a quasiconvex preference function where the alternative set changes progressively. In this environment, we keep searching the available set of alternatives and estimating the preference function of the DM. As new alternatives emerge, we make better use of the available preference information and eventually converge to a preferred alternative of the DM. We test our approaches on biobjective, multi‐item, multi‐round auction problems. The results show that our approaches work well in terms of both the preference function value of the obtained solution and the amount of preference information required.     

Industrial applications of agent technologies

This paper is aimed at summarizing the current state-of-the-art in the development of agent-based solutions in three areas connected with industrial production, namely in holonic control, production management and virtual enterprises. This paper shows how the results in these three sub-areas are converging and discusses how the agent-oriented technologies could provide a good background for developing a unifying approach. Two industrial applications of agent-based systems are described in some detail. The paper also presents both the positive and negative aspects of applying agent-based technologies in industry.     

应用于MEMS的芯片倒装技术

通过对芯片倒装技术尤其是凸点加工工艺在MEMS设计中的作用进行实例分析,指出倒装芯片不仅是一种高性能的封装模式,还能为MEMS器件提供立体通道或是力热载体,并形成许多特殊的结构.在MEMS的加工过程中,可以充分考虑芯片倒装技术所带来的加工便利.