In the current paradigm of Zero Defect Manufacturing, it is essential to obtain mathematical models that express propagation manufacturing deviations along Multistage Manufacturing Processes (MMPs). Linear physical-based such as Stream Variation (SoV) model are commonly used, but its accuracy may be limited when applied MMPs with a large amount stages, mainly because modeling errors at each sta...

In gold-endowed greenstone belts, ore bodies generally correspond to orogenic gold systems (OGS) formed during the main deformation stage that led craton stabilization (syntectonic period). Most OGS deposits postdate and locally overprint magmatic-hydrothermal systems, such as Au-Cu porphyry mostly magmatic (synvolcanic period) polymetallic intrusion-related (IRGS) of syntectonic period. Porphy...

This two-part paper focuses on the modeling and diagnosis of multistage manufacturing processes. Part I develops a state space model characterizing variation propagation in a multistage process. The state space model describes a discrete-time LTV (Linear Time Varying) stochastic system, which strongly indicates that the existing system and control theory could be used to perform systematic anal...

The theory of multistage integration is based on evidence that the visual brain consists of several parallel multistage processing systems, each specialized for a given attribute such as colour or motion. Each stage of a given system processes information at a distinct level of complexity. Our theory supposes that activity at any stage of a given multistage processing system is perceptually exp...

In multistage stochastic optimization we use stylized processes to model the relevant stochastic data processes. The basis for building these models is empirical observations. It is well known that the determining distance concept for multistage stochastic optimization problems is the nested distance and not the distance in distribution. In this paper we investigate the question of how to gener...

Abstract The present paper proposes an extension of the multicriteria Bipolar method, introduced by E. Konarzewska-Gubała, and its application to control multistage, decision processes with a fixed number stages. At each stage, two sets reference points are determined, which constitute system for evaluation stage decisions. end process, multistage alternatives—compositions alternatives—are eval...

In this paper we develop a multi-objective model to optimally control the lead time of a multistage assembly system. The multistage assembly system is modeled as an open queueing network, whose service stations represent manufacturing or assembly operations. The arrival processes of the individual parts of the product, which should be assembled to each other in assembly stations, are assumed to...

A device for ejecting several streams based on the flow of a stream in slit gap and designed mixing liquid gaseous media is considered

purpose:     methods:     results:     conclusion:     our study suggests that using mpcd method is an effective way to increase clinical reasoning skills of medical students. the attitude of students about the positive effects of mpcd increased significantly from the first day to the last day (p intervention. 120 third-year medical students at our medical university were randomly assigned to 1...