Optimization of SPC Control Limit Calculation Method of Assembly Process 封装工艺中SPC控制限计算方法的优化
The launch of a software control limit function, for launch time is too long to avoid damage to machine. 本机具有软件控制发射限时功能,避免连续发射时间过长损坏机子。
Establishing quality control limit; 建立质量控制限值;
For critical applications an alarm can be set to activate should the oxygen level exceed a set control limit. 对于关键应用报警可设置为激活应该含氧量超过了一套控制上限。
An equation to calculate concrete diaphragm walls bending moment is deduced based on the crack control limit value. 推导了由裂缝控制限值反算地下连续墙弯矩的计算方法。
For the classical control charts their parameters, such as sampling interval, sample size and control limit coefficients, are all fixed. 由于经典的质量控制图均假设抽样区间与样本容量是固定的,且控制限也是固定的(常用的即为3σ准则),这一点很不适合当今经济社会的发展。
Commonly, subgroup size, sampling rate, and control limit are three main parameters in designing a control schemes. 通常样本容量、抽样比例和控制线的选择是设计控制图的三个主要指标。
A study on economic control limit and its determining method 经济控制界限及其确定方法的研究
By investigating the microbial diminution and growth in meat-product processing, we determine the corresponding critical control points and control limit to extend its shelf life. 通过对肉制品加工中原料和加工工艺流程中微生物消长情况的研究,确定了相应的关键控制点,延长了产品的保质期。
The Discussion of Control Limit of Control Chart 关于质量控制图控制界限的探讨
Based on the theory of the design of crack control and the crack control limit value, an equation to calculate concrete diaphragm wall's bending moment is deduced. 应用裂缝控制设计的思路,推导了根据裂缝控制限值反算弯矩的计算方法。
Under population follow normal distribution hypothesis, designing combine median-range adaptive control charts with variable sampling interval, variable sample size and variable control limit. 在假设总体服从正态分布的条件下,设计了抽样区间,样本容量和控制限都变化的全变化参数的中位值-极差联合控制图。
Based on these analyses, a mathematical model and control limit of granules properties ( granule size distribution standard deviation vs. tablet weight RSD, particle average diameter vs. tablet hardness) are proposed. 在对这些数据分析的基础上,建立了颗粒粒度分布标准偏差与片重差异的关系、平均粒径与硬度之间的数据模型和制粒后颗粒特性的质量控制方法。
Based on the hypothesis of Xbar-R control chart, the type II error(β risk) of Xbar-R control chart was studied when the Sample's mean at time t lied in different positions between upper control limit and lower control limit of Xbar-R chart. 从Xbar-R控制图的假设检验问题出发,研究了t时刻样本均值(Xbar)和极差(R)处于控制限内不同位置时,Xbar-R控制图假设检验的第二类错误(β风险)问题。
If the sample observation is beyond the control limit, it signals as the control chart with fixed sampling interval ( FSI). 若点子超出控制限,则与固定抽样区间控制图(FSI)一样发出信号。
This paper presents the case for the economic design of the control limit K, togather with several computed tables for ease of practical use. 本文提出了在自动检测的工艺过程中控制限K的经济设计方法。
Determination of critical control points and control limit in meat-product processing 肉制品加工中关键控制点及控制限值的确定
THE PROBLEM OF POPULATION CONTROL limit the non-agricultural lands and the growth of population. 严格限制非农业用地,控制人口增长。
This paper points out that only when an economic control chart is designed can it be made use of economically, and the key problem is how to determine the economic control limit. 本文指出了经济地运用控制图首先必须要设计经济控制图,而设计经济控制图的关键是确定经济控制界限;
A model for structural engineering maintenance control limit 设置工程结构维修控制限的一个模型
Performance monitoring is implemented through constructing the statistical index and control limit in the feature space. 通过在特征空间中构建监控统计量和控制置信限,来实现复杂化工和生物过程的监控。
Traditional control chart is static in the sense three design parameters ( sampling interval h, sample size n, control limit coefficient k) of control chart are fixed for the duration of operation. 传统的控制图是静态的,控制图的三个设计参数(抽样区间、样本容量、控制限)在控制过程中保持不变。
This method can set the steady control limit at the beginning of the product process, so the problem that the traditional statistical method cannot be applied in the small batch production is solved better. 该方法可以从生产过程的早期即建立稳定的控制界限,较好地解决了传统统计过程控制方法难以应用在小批量生产条件下的问题。
In the feature space, with the help of constructing the statistical index and control limit, the performance monitoring is implemented. 该方法借助在高维特征空间建立监控统计量和控制置信限的办法实现工业过程的监控。
From the macroscopic Angle pursued after the comparative analysis, we can realize these problems, with built-in management level of enterprise risk control limit has a direct reason. 从宏观角度对比个例进行深入分析之后,我们可以认识到这些问题,与其内置管理水平限制对企业风险掌控不当有着直接的原因。
Finally, explain the setting principle and method of lower control limit and up control limit in detail. Secondly, focus on quality control during construction. 详细说明了控制图上、下控制线的设定原理和方法。其次,以施工阶段的质量控制为重点。
The appropriate modeling method will be chosen according to the distribution of the data. Off-line model and control limit are calculated. 根据数据的统计分布性质,选择适当的建模方法进行过程监测,且在选择模型的同时自动完成离线建模的过程以及控制限的求取。
The test samples within control limit is in statistical state controlled, otherwise is abnormal. The application of contribution plot which corresponding statistics exceed control limit can find the abnormal process variables to achieve the limitation distribution process control. 测试样本在控制限以内则处于统计受控状态,当其超出控制限时则为出现异常,应用超出控制限的相应统计量的贡献图查找引起异常的过程变量,实现对配送过程的时效控制。
Besides, this paper does research on the optimal method and fault tolerance mechanism on UPH calculating as well. It provides the best range of time control limit of a singer carrier using the statistical method. 除此之外,本文也应用数理统计的方法对计算批次UPH的最优方法和容错机制做出了探究,通过对比论证得到了单Carrier处理控制时间的最佳区间。