نتایج جستجو برای: single pulse control spc
تعداد نتایج: 2172541 فیلتر نتایج به سال:
Cost and schedule measures are the most important support activities for the success of a project; it provides the basis for process improvement and project management. This paper reports practical experiences on using EVM (Earned Value Management) and SPC(Statistical Process Control) in cost/ schedule measure. The analysis of experience data indicates the distributions of CPI(Cost Performance ...
Control charts play a beneficial role in the manufacturing process by reduction of non-compatible products and improving final quality. In line with these aims, several adaptive methods which samples can be taken variable sampling rates intervals have been proposed area statistical control (SPC). some SPC applications, it is important to monitor relationship between response independent variabl...
OBJECTIVES The life-span theory of control is applied to study change in vision-specific control strategies in visually impaired older individuals, depending on performance in instrumental activities of daily living (IADL) and depressed mood. METHOD Longitudinal data from visually impaired individuals (at baseline: N = 364; mean age = 82.8 years; visual acuity less than 20/60) measured at thr...
Multispectral imaging and time-resolved are two common acquisition schemes in fluorescence microscopy, their combination can be beneficial to increase specificity. The multidimensionality of the dataset (space, time, spectrum) introduces some challenges, such as big datasets long measurement times. In this work, we present a multispectral microscopy system with short achieved by exploiting Comp...
Parvibaculum lavamentivorans DS-1(T) utilized the commercial surfactant linear alkylbenzenesulfonate (LAS) (20 congeners with C(10) to C(13) side chains) as a carbon and energy source by shortening the side chain, and sulfophenylcarboxylates (SPCs) and similar compounds (e.g., alpha,beta-unsaturated SPCs [SPC-2Hs]) were excreted with quantitative recovery of the sulfophenyl moiety. 2-(4-Sulfoph...
in this paper, the results of design and implementation of the subsystems for generating loran pulse are proposed based on method of carrier’s pulse width change. in order to generate the desired pulse, firstly a pwm signal generated and then it is applied to a class-d switching amplifier. the results show that by generating appropriate pulses in digital fpga subsystem for application in switch...
I N recent years, statistical process control (SPC) for autocorrelated processes has received a great deal of attention, due in part to the increasing prevalence of autocorrelation in process inspection data. With improvements in measurement and data collection technology, processes can be sampled at higher rates, which often leads to data autocorrelation. It is well known that the run length p...
PURPOSE To investigate the second primary cancers (SPCs) in patients with urothelial cancer (UC). MATERIALS AND METHODS The records of 2,339 patients whose UC was diagnosed between January 1974 and December 2012 were reviewed. All data about characteristics of patients, of UC and, of SPC was, recorded digitally. We investigated the prevalence and the type of second or higher order cancers, an...
Statistical process control (SPC) is a method for improving the quality o f products. Control charting plays a most important role in SPC. SPC control charts arc used for monitoring and detecting unnatural process behaviour. Unnatural patterns in control charts indicate unnatural causes for variations. Control chart pattern recognition is therefore important in SPC. Past research shows that alt...
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