control deviation value

См. также в других словарях:

• Control chart — One of the Seven Basic Tools of Quality First described by Walter A. Shewhart …   Wikipedia

• Control of the National Grid — The National Grid is the high voltage electric power transmission network in Great Britain, connecting power stations and major substations, and has a synchronized organization such that electricity generated anywhere in Great Britain can be used …   Wikipedia

• Absolute deviation — In statistics, the absolute deviation of an element of a data set is the absolute difference between that element and a given point. Typically the point from which the deviation is measured is a measure of central tendency, most often the median… …   Wikipedia

• P-value — In statistical significance testing, the p value is the probability of obtaining a test statistic at least as extreme as the one that was actually observed, assuming that the null hypothesis is true. One often rejects the null hypothesis when the …   Wikipedia

• Median absolute deviation — In statistics, the median absolute deviation (MAD) is a robust measure of the variability of a univariate sample of quantitative data. It can also refer to the population parameter that is estimated by the MAD calculated from a sample. For a… …   Wikipedia

• Shewhart individuals control chart — Individuals and moving range control chart Originally proposed by Walter A. Shewhart Process observations Rational subgroup size n = 1 Measurement type Average quality characteristic per unit Quality characteristic type …   Wikipedia

• Unbiased estimation of standard deviation — In statistics, the standard deviation is often estimated from a random sample drawn from the population. The most common measure used is the sample standard deviation , which is defined by:s = sqrt{frac{1}{n 1} sum {i=1}^n (x i… …   Wikipedia

• Hazard Analysis and Critical Control Points — (HACCP) is a systematic preventive approach to food safety and pharmaceutical safety that addresses physical, chemical, and biological hazards as a means of prevention rather than finished product inspection. HACCP is used in the food industry to …   Wikipedia

• D-value — Not to be confused with d value, pronounced dee prime value. D value may refer to: D value (microbiology) the decimal reduction time, the time required at a certain temperature to kill 90% of the organisms being studied D value (meterology) in… …   Wikipedia

• Quality control and genetic algorithms — In engineering and manufacturing, quality control is involved in developing systems to ensure products or services are designed and produced to meet or exceed customer requirements. Genetic algorithms are search techniques, used in computing to… …   Wikipedia

• Direct torque control — (DTC) is one method used in variable frequency drives to control the torque (and thus finally the speed) of three phase AC electric motors. This involves calculating an estimate of the motor s magnetic flux and torque based on the measured… …   Wikipedia