万方数据库检索实习报告
姓名: 班级: 成绩:
课
名称: 全自动洗衣机控制器
主题,确定主题词:
关键词1 全自动
关键词2 洗衣机控制器
一、初级检索
1.比较同一检索词在不同字段检索得到结果的差别(分别在片名、文摘等字段进行检索)
检索词 检索篇名(举关键词 摘要 全文
年代 一例) (大
标
题) ( 全自动全自动为了解决太阳辐射观测台站直接辐射表跟踪不准等问题,全自全自
1) 太阳跟太阳跟成功研制了全自动太阳跟踪器。跟踪器具有两种可白行切动太动
踪器的踪器 换的跟踪方式:传感器跟踪方式和太阳运行轨迹跟踪方式。阳跟
研制和研制 介绍了这两种模式的工作原理,这两种方式自行切换,互踪器
应用 应用 相配合,实现了高精度的全天候太阳自动跟踪。经过数月的研
的原理试验和一年半的台站试验,跟踪误差在?0(14。内。制和
全自动太阳跟踪器的研制成功,在没有改进辐射传感器的应用
情况下,可提高直接辐射、总辐射的测量准确度;解决了
直接辐射表信号线缠绕的难题;实现了直接辐射、日照时
数和散射辐射的全自动测量。
( 基于TS智能洗以智能洗衣机为例,建立其相应的输入输出模型。结合模基于洗衣
2) 模型的衣机 糊神经网络理论,设计基于TS模型的智能洗衣机控制器。TS机控
智能洗TS(Tak该控制器模型既具有模糊系统易于表达基于规则知识的特模型制器 衣机控agi-Sug点,又具有神经网络自学习和自适应能力。另外,其生成的智
Details of green to introduce "the art of bonsai" concept, plant morphology, leaf color, aromas to create different moods and charms. (B) improving air pollution prevention and control. …… Air pollution sources in the four areas, a dust pollution and industrial enterprises of coal-burning pollution. A significant proportion of gypsum, stone processing enterprises and use of glass furnace standards of environmental protection facilities. Second, poor dust control, wide range of construction dust, road dust capacity. Three is to build coal-fired boilers in the region, particularly within the city's outdoor barbecue gas discharge seriously. Four motor vehicle exhaust is not inIn particular the greening of urban areas, it is necessary to carefully select the species suited to local soils, reflecting ... ... Features also allow for the evergreen trees, so that people walking in the shade. On one handTo expand green areas, improve planting quality fuss; but also to focus on simplicity and generosity of the green on the other hand, to enhance the Visual effect of green scale. Big green landscape according to the terrain the moderate, plant communities in natural, varied colors, flowers and clear principles, reflect the level, color and seasonal change.
制器的eno)模曲面的局部平滑度能得到很大的改善。 能洗
设计 型 自衣机
学习 控制
平滑度 器的
设计 2.作者姓名字段检索
以作者 段春霞 作为检索词,进行检索。
检索词 检索年限
数(条)
段春霞 3537 3.抄录一条记录如下。
PLC课程的教学改革与探索
针对PLC课程的性质及其传统讲授方法的缺点,提出将现代多媒体技术引入到PLC课程教学过程中.针对PLC课程侧重实际应用的特点.提出了有效提高实践教学的方法.
4.机构(作者单位)字段检索。
以作者单位 洛阳理工学院 为检索词,进行检索。
检索词 检索年限 记录数(条)
洛阳理工学院 4443 二、高级检索
所选字段 年代 检索词 单独检索时 逻辑运算符 组配检索时(检索项) 命中记录数 命中记录数 标题 31 and 2 洗衣机控
制器
作者 段春霞 41
1.两个字段组配检索。
2.摘抄其中一条的记录如下:
Details of green to introduce "the art of bonsai" concept, plant morphology, leaf color, aromas to create different moods and charms. (B) improving air pollution prevention and control. …… Air pollution sources in the four areas, a dust pollution and industrial enterprises of coal-burning pollution. A significant proportion of gypsum, stone processing enterprises and use of glass furnace standards of environmental protection facilities. Second, poor dust control, wide range of construction dust, road dust capacity. Three is to build coal-fired boilers in the region, particularly within the city's outdoor barbecue gas discharge seriously. Four motor vehicle exhaust is not inIn particular the greening of urban areas, it is necessary to carefully select the species suited to local soils, reflecting ... ... Features also allow for the evergreen trees, so that people walking in the shade. On one handTo expand green areas, improve planting quality fuss; but also to focus on simplicity and generosity of the green on the other hand, to enhance the Visual effect of green scale. Big green landscape according to the terrain the moderate, plant communities in natural, varied colors, flowers and clear principles, reflect the level, color and seasonal change.
基于PLC的全自动洗衣机控制系统的设计
根据全自动洗衣机的工作原理,利用可编程控制器(PLC)对全自动洗衣机控制系统进行设计,实现了系统的灵活性、高稳定性和可靠性.
3.该篇文章的最后一段第一句
是 pcl又设有窜行接口,方便的与计算机进行连接,组成测控系统,给系统的维护和使用带来了很大的方
便 。
三、专业检索
在专业检索界面用一个检索式将你所检索的课题的相关检索词表达出来: 例如:检索表达式:计算机软件 and Creator exact 王军 sortby CitedCount Date/weight=3
relevance
检索表达式:计算机软件 and Creator exact 王军 or 冯莹莹
以上检索的检索意图式篇名中有“计算机软件”并且作者中有“王军”。
检索式 检索结果
(记录数)
2 洗衣机控制器and 段春霞
Details of green to introduce "the art of bonsai" concept, plant morphology, leaf color, aromas to create different moods and charms. (B) improving air pollution prevention and control. …… Air pollution sources in the four areas, a dust pollution and industrial enterprises of coal-burning pollution. A significant proportion of gypsum, stone processing enterprises and use of glass furnace standards of environmental protection facilities. Second, poor dust control, wide range of construction dust, road dust capacity. Three is to build coal-fired boilers in the region, particularly within the city's outdoor barbecue gas discharge seriously. Four motor vehicle exhaust is not inIn particular the greening of urban areas, it is necessary to carefully select the species suited to local soils, reflecting ... ... Features also allow for the evergreen trees, so that people walking in the shade. On one handTo expand green areas, improve planting quality fuss; but also to focus on simplicity and generosity of the green on the other hand, to enhance the Visual effect of green scale. Big green landscape according to the terrain the moderate, plant communities in natural, varied colors, flowers and clear principles, reflect the level, color and seasonal change.