نتایج جستجو برای: statistical process control
تعداد نتایج: 2759345 فیلتر نتایج به سال:
The classical method of process capability analysis necessarily assumes that collected data are independent; nonetheless, some processes such as biological and chemical processes are autocorrelated and violate the independency assumption. Many processes exhibit a certain degree of correlation and can be treated by autoregressive models among which the autoregressive model of order one (AR (1)) ...
when a change occurs in a process, one expects to receive a signal from a control chart as quickly as possible. upon the receipt of signal from the control chart a search for identifying the source of disturbance begins. however, searching for assignable cause around the signal time, due to the fact that the disturbance may have manifested itself into the rocess sometimes back, may not always l...
The classical method of process capability analysis necessarily assumes that collected data are independent; nonetheless, some processes such as biological and chemical processes are autocorrelated and violate the independency assumption. Many processes exhibit a certain degree of correlation and can be treated by autoregressive models, among which the autoregressive model of order one (AR (1))...
This paper studies a series production system through the integration of the decisions associated with Maintenance Management (MM) and Statistical Process Control (SPC). Hence, the primary question of the paper can be stated as follows: In a series production system, how can the decisions of MM and SPC be coordinated? To this end, an integrated mathematical model of MM and SPC is developed. Usi...
The history of technological developments affects the way we can provide services to customers quickly. One methods industrial Control Systems is statistical process control method (SPC) for short-term production. This review aims explain some advantages SPC method, namely in terms monitoring multistage processes and fault diagnosis has become a necessity. by Entering control. hybrid approaches...
The main concept of the authors is to place Reinforcement Learning (RL) into various fields manufacturing. As one first implementations, RL for Statistical Process Control (SPC) in production introduced paper; it a promising approach owing its adaptability and continuous ability perform. widely used Q-Table method was applied get more stable, predictable, easy overview results. Therefore, quant...
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