查询词典 control chart method

At last, a comprehensive identification method of control chart pattern is suggested, and an application is given.

接着，研究了两类控制图模式识别的方法：包括基于规则的和基于人工神经网络的控制图模式识别方法。

Efficiency optimize model of process control chart was established and a multivariate control chart method based on multiple dots alarm rules.

建立了过程控制图的效率优化模型，并提供了基于多点报警的多元控制图方法。3。

The keystone of this research is to carry out the construction quality control with Shewhart control chart and some statistical method effectively used in foreign countries. On the other hand, we collected the construction data of Jiangsu province, analyzed with these methods, and found out some problems in highway construction.

本文研究的重点是采用各种控制图方法实现对施工过程的质量控制，并借鉴国外在施工质量控制及验收中采用的某些统计控制方法的成功经验，结合江苏省高速公路建设中近两年积累的施工数据，进行了有效的分析，分析过程中发现了目前该省高速公路施工中存在的一些问题。

Details of the using of XCS-R cause-selecting control chart and the process examination method are emphatically described.

重点介绍了X_(c6)-R选控图的具体作法和工序诊断方法。

Methods According to the weekly influenzalike illness consultation rate of fourteen sentinel hospitals in Guangdong province from 2004 to 2006,the surveillance data of 2007 were fitted into models for early warning of inflecenza with three methods including control chart method,historical limit method and exponentially weighted moving average method.

采用2004～2006年14所哨点医院门诊每周就诊的流感样病例占门诊病例总数百分比数据，使用控制图法、历史限法和指数加权移动平均法，对2007年的流感样病例就诊百分比数据进行拟合，分析早期预警的效果。

The X-R control chart drawed by mathematical statistical method were introduced.3. The control chart was applied to the control of aerobic bacterial count in the quick-frozen dumpling.

研究将单值移动极差控制图应用于速冻汤圆菌落总数监控中，通过判断监控过程是否正常，可以起到预防控制作用，避免潜在危害的发生，从而促进食品生产企业提高卫生水平，确保产品质量。

Ii The performance assessment benchmark of model predictive control system is studied. The Cumulative Sum chart of residual is put forward to monitor the performance of model predictive control system online. The method has solved the problem that the- chart can hardly detect the change of performance index with small change or severe autocorrelation.

2介绍了模型预测控制系统的性能评价准则，提出了利用残差的累积和图在线监视模型预测控制系统性能指标的方法，解决了传统的-图很难在线检测出变化不大或存在严重自相关现象的性能指标变化的问题。

The research work of this paper is divided into five parts: The first ,according to the work characteristics of ship's auxiliary boiler, this paper is to design applied project in the automatic control system of ship's auxiliary boiler; The second, according to the work request of the cargo winch of alternating three-speed change-pole speed-adjusting, this paper is to determine adopting the method of the PLC control; The third, this paper is to design PLC application in three -phase induction motor control, to give the ladder chart, program and input and output circuit diagram; The fourth, this paper is to research the method of the ship's combined starting screen automatic control with the PLC; The fifth, this paper is to inquire the possibility of apply the PLC in ship's engine room surveillance system; According to the comprehensive analysis of above actual example of ship's auxiliary machinery automatic system with the technique of PLC; not only can use the technique of PLC to replace traditional relay-contactor control technique in ship's auxiliary machinery automatic system, but also can get the conclusion of the former is more dependable and more clever than the latter, the maintenance is more convenient, thus develop a new path for ship automation.

本文研究的工作主要包括五个部分：第一，根据船舶辅锅炉的工作特点，设计PLC在船舶辅锅炉自动控制系统中的应用方案，主要有PLC选型及输入输出点的设计，画出系统控制梯形图并分析工作原理；第二，根据交流三速变极调速起货机的工作要求，确定采用PLC控制的方法，进行控制系统的硬件设计和软件设计，并分析工作原理：第三，设计了PLC在三相异步电动机控制中的应用，给出了控制梯形图、程序及输入、输出接线图；第四，研究了用PLC实现船舶组合起动屏自动控制的方法，进行了系统的电源设计和软件设计，给出系统工作流程图；第五，探讨了船舶机舱监视系统应用PLC的可行性，将继电器报警线路改为用PLC控制报警，给出系统硬件图和软件梯形图，并分析了PLC机的选型、抗干扰和应用PLC的经济效益和社会效益等问题。综合以上船舶辅助机械自动控制系统采用PLC技术的实例分析，可以得出船舶辅助机械自动控制系统不但可以使用PLC技术取代传统的继电器接触器控制技术，而且前者比后者更可靠、更小巧，维护保养更方便的结论，从而为船舶自动化开辟了一条新的路径。无忧毕业设计网 www.5ubs.cn

Having studied the relation of oil well paraffine precipitation and the rod load, the paper finds one new method to predict the oil paraffine precipitation ---statistics comparison of the indicator diagram, and calculates the paraffin removal cycle as well as the paraffin removal time And predicts the oil well paraffin precipitation; Combined with the test data of oil field and the basic production parameter of the oil well system, the paper has carried on close analysis of the efficiency of the single well system, and obtained each target reflecting the system operation; the efficiency of the oil pumping mechanical well system has been improved and the submersion pressure mathematical model has been completed, and the author draws up the dynamic control chart of sub-area system efficiency, thus raises the management level in the oil well system efficiency.

通过研究油井结蜡速度与抽油机悬点载荷的关系，将油井结蜡与示功图结合到一起，找到一种对油井结蜡预测的新方法——示功图统计对比法，计算出清蜡周期与清蜡时间，预防了油井蜡卡；以现场示功图为依据，结合生产参数对抽油机井系统效率进行实测分析，完善系统效率与沉没压力的数学模型并绘制油井系统效率动态控制图，对系统效率进行了检测评价与优化。

From the dynamic perspective, it presents a method for analyzing measurement system stability using CUSUM control chart.

在动态方面，提出了利用CUSUM控制图确定测量系统稳定性的方法。

The absorption and distribution of chromium were studied in ryeusing nutrient culture technique and pot experiment.

采用不同浓度K2CrO4(0，0.4，0.8和1.2 mmol/L)的Hoagland营养液处理黑麦幼苗，测定铬在黑麦体内的亚细胞分布、铬化学形态及不同部位的积累。

By analyzing theory foundation of mathematical morphology in the digital image processing, researching morphology arithmetic of the binary Image, discussing two basic forms for the least structure element: dilation and erosion.

通过分析数学形态学在图像中的理论基础，研究二值图像的形态分析算法，探讨最小结构元素的两种基本形态：膨胀和腐蚀；分析了数学形态学复杂算法的基本原理，把数学形态学的部分并行处理理念引入到家实际应用中。