基于海底观测网的深海化学监测系统的设计

根据海底观测网和海洋科学仪器的特点,设计了能适用于海底观测网的深海原位化学监测系统。该系统由数据采集器以及阴离子分析仪、硝酸盐传感器、叶绿素传感器、溶解氧传感器、甲烷传感器等水下化学监测仪器组成。文中设计的数据采集器,能够与海底观测网科学仪器节点中接驳盒的标准供电和通讯接口进行连接,并能够对不同接口类型的仪器进行集成扩展。通过模拟深海环境试验以及浅海海试的验证,证明了该设计的可行性。

热电厂在线化学监测系统改造

本文简述本厂在线化学仪表的恢复情况,介绍计算机数据采集和监测系统的特点、组成结构和功能,并对在线监测系统在电厂化学方面的应用进行评价。

基于计算机技术的化学镀镍工艺用浴槽沉积在线监测系统研究

化学镀镍是许多行业中广泛使用的镀层方法,然而,涂层的可用性受到与化学镀镍工艺相关的控制问题的限制。为了确保沉积质量,在电镀过程中应精确控制化学镀镍沉积物的超越性能,由于自发的、不稳定的反应和缺乏在线测量方法而使得这个问题具有挑战性。为了改善基于操作员的控制,提出了一种特殊的化学镀镍监测系统,系统特别针对用于电镀通孔(Plated-Through-Hole,PTH)板制造的化学镀镍工艺进行校准。该系统能够从镀镍工业的标准测量结果估计电镀工艺的电学、化学和沉积参数,同时还能够通过监督整个过程动态,即电化学过程来代替单独的参数监督。

红外化学遥感系统中分段线性判别算法的研究

介绍了分段线性分类器的基本原理及其在红外化学遥感监测领域应用的概况,探讨了单边式分段线性分类器应用于红外光谱鉴别的可能性.建立了一个二维数据样本集对这种分类器的判别特性进行了评价,然后用一个甲基膦二甲酯(DMMP)光谱数据样本集对这种分类器的性能进行了检验.二维数据的训练结果表明,单边式分段线性分类器对真实类界面的逼近程度高于传统的树状分段线性分类器.DMMP光谱样本的训练和预测结果表明,一个由4维判别矢量构成的单边式分段线性分类器其性能优于线性分类器和由3步7维判别矢量构成的树状分段线性分类器.

Implementation of the Concept of Buildings Stability Monitoring in the Project STATIMON： Theoretical and Practical Results

In the framework of the STATIMON project, the complex research was done in which mathematical models of buildings＇ construction were created, defects identification method developed and also monitoring concept was composed according which automated monitoring system and software prototypes and structures were implemented. The strategic aim of the development of buildings＇ monitoring system was realized by mathematical and physical modelling of the faults （defects）; analysis of characteristics sensitive to defects; selection of stability parameters and measurements; creation of automated system prototype; investigation of the methods applied for the monitoring system and diagnostics; development of software and separate elements of the system and approbation of the whole complex. Thorough evaluation of the technical state of the buildings numerical is executed using physical models and natural objects which support reliable state identification of the building and also helps to track changes.