it is the use of charts called "control charts" to monitor a process. it is a very objective method of monitoring. it involve the collection data from the process. hence it makes identification of the cause of problem in the process easier.
Can improve our process,
It detects the presence of special causes of variation.
It allow industry to qualify process and potential success or failure
Cp is the capability of a process and Cpk is the actual capability of a part running in the process. The only way Cp = Cpk is if the process mean is exactly centered which is seldom the case in manufacturing. Therefore, Cp > or = to Cpk.
The definition to the term "Stochastic Process" is: A statistical process involving a number of random variables depending on a number variable. Which in most cases, is time.
to check the process variation.
Explain the difference between capability and control.
Can improve our process,
statistical process control
SQC or statistical quality control is concerned with using the 7-QC and 7-SUPP tools to monitor process outputs. Statistical process control, or SPC is concerned with monitoring the inputs of the process.
in statistical process control you can make bars and charts as an activity, control charts, process capability, ishikawa diagrams and pareto charts. you can also find controlled variables and chart them to see they're progress based on your experiment.
False. Statistical control limits are defined by statistical methods based on process data, typically using control charts. They represent the boundaries within which a process is expected to operate under normal conditions. These limits are not determined by customer specifications but rather by the inherent variability of the process itself.
C. S. M. Harris has written: 'Review of principles, techniques and benefits of statistical process control' -- subject(s): Statistical methods, Process control
Derek Bissell has written: 'Statistical methods for SPC and TQM' -- subject(s): Process control, Quality control, Statistical methods
It detects the presence of special causes of variation.
Qualification to work in Statistical Process Control would include ample mathematics skills, computer skills, and data analysis skills. Also a very good eye for detail.
SEE; poke-yoke (error proofing) process capability statistical process control