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“…A better test is to examine performance for prediction of particle distributions over a number of transition periods. See Balascio (1985) for a more detailed discussion.…”
Section: Methods Of Performance Evaluationmentioning
confidence: 99%
“…In equations [1] and [la] the carets {^) over the vectors on the left sides of the equations indicate that those quantities are estimates. Note also that the superscript on the transition probability matrix P in equation la denotes the power t of the matrix P. Note that equations [1] and [la] are nonlinear; estimates obtained by use of equations [1] or [la] cannot be analyzed with any simple statistical test. Lee et al (1977) proposed the use of a statistic, which they claim is approximately x^ distributed, to test for stationarity of the Markov process.…”
Section: Methods Of Performance Evaluationmentioning
confidence: 99%
“…We can compute estimated values of y^Ct) by using the definition of /(t) given by equation [1]. Therefore, coordinates of the estimated mass centroid pathway are given by:…”
Section: Methods Of Performance Evaluationmentioning
confidence: 99%
“…The deck is rectangular over approximately the last 84 cm of its length. Balascio (1985) used a nonstationary Markov model based on geometrical parameters to describe particle movement in the nonrectangular portion of the deck.…”
Section: Equipment and Proceduresmentioning
confidence: 99%
“…Note that transition probabilities from states along the high side of the deck to states along the low side are generally greater in the second matrix P (9 to 15) than the first P(l to 8). Balascio (1985) fitted nonstationary models to the data of experiments a through e. The variable transition probabilities were correlated with parameters such as:…”
Section: Model Performance Experiments a Through Ementioning
Linear programming procedures are used to fit stationary and nonstationary distance-transition Markov probability models to experimentally obtained particle distribution data from the deck of a gravity separator. Particle movement modeled is that of a light discard fraction. Performance of the models is examined by comparing predicted "typical'' particle pathways with observed particle pathways. The Markov process is found to be an appropriate model of particle movement.
“…A better test is to examine performance for prediction of particle distributions over a number of transition periods. See Balascio (1985) for a more detailed discussion.…”
Section: Methods Of Performance Evaluationmentioning
confidence: 99%
“…In equations [1] and [la] the carets {^) over the vectors on the left sides of the equations indicate that those quantities are estimates. Note also that the superscript on the transition probability matrix P in equation la denotes the power t of the matrix P. Note that equations [1] and [la] are nonlinear; estimates obtained by use of equations [1] or [la] cannot be analyzed with any simple statistical test. Lee et al (1977) proposed the use of a statistic, which they claim is approximately x^ distributed, to test for stationarity of the Markov process.…”
Section: Methods Of Performance Evaluationmentioning
confidence: 99%
“…We can compute estimated values of y^Ct) by using the definition of /(t) given by equation [1]. Therefore, coordinates of the estimated mass centroid pathway are given by:…”
Section: Methods Of Performance Evaluationmentioning
confidence: 99%
“…The deck is rectangular over approximately the last 84 cm of its length. Balascio (1985) used a nonstationary Markov model based on geometrical parameters to describe particle movement in the nonrectangular portion of the deck.…”
Section: Equipment and Proceduresmentioning
confidence: 99%
“…Note that transition probabilities from states along the high side of the deck to states along the low side are generally greater in the second matrix P (9 to 15) than the first P(l to 8). Balascio (1985) fitted nonstationary models to the data of experiments a through e. The variable transition probabilities were correlated with parameters such as:…”
Section: Model Performance Experiments a Through Ementioning
Linear programming procedures are used to fit stationary and nonstationary distance-transition Markov probability models to experimentally obtained particle distribution data from the deck of a gravity separator. Particle movement modeled is that of a light discard fraction. Performance of the models is examined by comparing predicted "typical'' particle pathways with observed particle pathways. The Markov process is found to be an appropriate model of particle movement.
The complexity of gravity separator mechanics precludes the use of a deterministic model for particle movement on a gravity separator. Particle movement is examined as a stochastic process; a distance-transition Markov probability model for particle movement is proposed. A linear programming method for estimation of the Markov model parameters is explained.
The complexity of gravity separator mechanics precludes the use of a deterministic model for particle movement on a gravity separator. Particle movement is examined as a stochastic process; a distance-transition Markov probability model for particle movement is proposed. A linear programming method for estimation of the Markov model parameters is explained.
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