高温工业炉监控系统人机界面的设计与实现

以先进的国产组态软件"组态王"为开发平台对高温工业炉监控系统人机界面进行了设计.首先简述了监控系统的结构和工作过程,再依次从组态王的画面、数据和动画考虑,简单构思了监控系统需要的画面、数据和动画,然后在此基础上重点介绍了监控系统各画面的设计及实现功能.设计的监控界面通过形象的动态组态画面和视频监控,真实再现了设备现场的信息并且直观、实时地显示高温工业炉监控工艺流程中的参数数据、探头状态和炉内实况等.     

基于双GPRS模块的远程图像监控系统

由于GPRS传输速率有限,远程图像监控系统的清晰度和帧频一般比较低,为了提供较为清晰的监控画面,本文设计一种基于两个GPRS模块的远程图像监控系统。在监控系统前端对监控画面进行分析处理,采用Kalman滤波动态背景生成和相对背景差法的原理,把监控画面分为监控背景和运动目标两部分,通过两个GPRS模块进行传输,在监控中心再将两路图像进行合成,从而提高了监控中心监控画面的清晰度,提高了监控的有效性。     

分布式大型污水处理上位监控系统设计

针对大型污水处理系统对上位监控的要求,采用FactoryTalk View SE为开发平台,实现了一种基于分布式结构的上位监控系统.在介绍污水处理系统整体结构框图的基础上,重点阐述了基于分布式应用程序的上位监控系统集成设计,分析了上位组态软件与PLC控制层的通信模式,讨论了上位监控系统画面设计过程及功能实现.所设计的上位监控系统科学地展示监控画面,具有实时数据处理能力,完全满足大型系统的上位监控要求.     

基于KingSACDA软件的闸站监控系统

针对新三江闸的工程实际背景设计闸站监控系统,下位机采用S7-200的PLC实现对各种现场设备的控制以及数据的采集,上位机采用KingSCADA实现对闸站各种工况设备的监控.下位机设计了自动和手动切换控制的方法.上位机通过组态软件实现了多种监控的功能,包括系统总体画面、闸门动态工艺图、出水泵画面、报警记录画面等,该监控系...     

地铁综合监控人机界面的设计与实现

以组态软件SystematICS为开发平台对地铁综合监控系统人机界面进行了设计。首先简述了综合监控系统的结构和监控过程,再依次从SystematICS软件的数据、画面和动画考虑,简单阐述了综合监控人机界面设计的架构,然后在此基础上重点介绍了人机界面的设计原则、方法及实现功能。设计的人机界面通过生动形象的动态组态画面,真实再现了现场设备状态,同时也允许用户为现场设备发布控制命令,实现人机交互。     

立体车库自动监控系统的设计与开发

设计了立体车库自动监控系统,该系统由监控软件、数据采集卡、工业控制计算机组成。监控软件是通过I／O分配、变量连接、画面设计、程序编写、联机调试来完成的。监控人员可以将车库内的实际运行情况反馈到监控画面,使得能够及时准确地了解到车库的运行情况,并且加以控制。最后通过测试,在自动和手动模式下,实现了车库监测与控制的操作。     

基于WinCC的香料厨房监控系统设计

为满足烟草制丝线自动化生产需求,采用WinCC组态软件设计了一套香料厨房监控系统。系统以西门子S7-400PLC为控制核心,采用Profinet工业以太网技术,保证了监控系统数据传输的实时性;在研究系统的硬件组态和网络配置的基础上,设计了监控的功能,建立WinCC与PLC的通讯连接,组态过程画面、控制画面、报警画面等,实现了香料厨房的自动控制和实时监控;系统运行稳定,操作方便,完全满足生产工艺要求。     

面向变电站监控界面自动测试的画面识别算法

对变电站监控系统人机界面进行测试验证时,通常采用对比人眼观察到的监控画面与测试指令发送的信息是否一致的方式评估监控软件是否达标,而人眼观察繁杂多变,监控信息的准确率和效率均得不到保证。为了实现变电站监控的自动测试,研究利用图像处理和机器学习技术识别变电站监控画面信息的方法。提出一种基于最佳图元的模板匹配方法解决画面中不同尺寸电气图元的自动定位问题;针对监控画面中拓扑特点提出FHOG算子并提高监控画面和图元状态的识别速度;针对汉字左右体结构分离和告警信息画面中的字符粘连等问题,提出分割识别协同的算法定位字符,并使用深度卷积神经网络进行识别。经线下实验验证了各个单元算法在实际变电站监控图像上的有效性。设计一套测试系统,经线上测试总体图元识别准确率达到96.04%。     

水下视频监控系统的设计与搭建

针对浅水测试场在测试时需要对水下设备、潜水员等工作画面进行实时监控、存储的问题,设计了一套水下视频监控系统。为扩大监控范围、提高监控系统的灵活性,系统在硬件设备搭建时采用了浮动式水下监控设备与固定式水下监控设备相结合的监控方式。其中视频采集系统使用VC++进行搭建,控制系统下位机部分使用西门子PLC搭建,并使用Win CC软件组态编写上位机界面。在测试过程中,系统能够清晰、连续地对水下测试画面进行监控及存储,控制系统运行稳定,操作简便。     

薄煤层视频监控系统设计

根据薄煤层工作面的特点设计了视频监控系统,介绍了系统的总体设计及软硬件设计。该系统实现了对薄煤层工作面的实时监控,系统性能稳定,图像清晰,画面流畅,通信延时短,将大大提高采煤效率,降低工人的劳动强度。     

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.     

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.     

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     

Explanation and prediction: an architecture for default and abductive reasoning

Although there are many arguments that logic is an appropriate tool for artificial intelligence, there has been a perceived problem with the monotonicity of classical logic. This paper elaborates on the idea that reasoning should be viewed as theory formation where logic tells us the consequences of our assumptions. The two activities of predicting what is expected to be true and explaining observations are considered in a simple theory formation framework. Properties of each activity are discussed, along with a number of proposals as to what should be predicted or accepted as reasonable explanations. An architecture is proposed to combine explanation and prediction into one coherent framework. Algorithms used to implement the system as well as examples from a running implementation are given.     

Three Process Perspectives: Organizations, Teams, and People

This paper provides the author's personal views and perspectives on software process improvement. Starting with his first work on technology assessment in IBM over 20 years ago, Watts Humphrey describes the process improvement work he has been directly involved in. This includes the development of the early process assessment methods, the original design of the CMM, and the introduction of the Personal Software Process (PSP)^SM and Team Software Process (TSP){^SM}. In addition to describing the original motivation for this work, the author also reviews many of the problems he and his associates encountered and why they solved them the way they did. He also comments on the outstanding issues and likely directions for future work. Finally, this work has built on the experiences and contributions of many people. Mr. Humphrey only describes work that he was personally involved in and he names many of the key contributors. However, so many people have been involved in this work that a full list of the important participants would be impractical.     

基于复小波噪声方差显著修正的SAR图像去噪

提出了一种基于复小波域统计建模与噪声方差估计显著性修正相结合的合成孔径雷达(Synthetic Aperture Radar,SAR)图像斑点噪声滤波方法。该方法首先通过对数变换将乘性噪声模型转化为加性噪声模型,然后对变换后的图像进行双树复小波变换(Dualtree Complex Wavelet Transform,DCWT),并对复数小波系数的统计分布进行建模。在此先验分布的基础上,通过运用贝叶斯估计方法从含噪系数中恢复原始系数,达到滤除噪声的目的。实验结果表明该方法在去除噪声的同时保留了图像的细节信息,取得了很好的降噪效果。     

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。