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Period batch control: Classic, not outdated
2002
Production planning & control (Print)
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Period Batch Control was developed and ®rst applied during the Second World War. ...
His research interests include planning for cellular manufacturing, period batch control, scheduling, and design of production systems. ...
Period batch control Period Batch Control is a cyclical planning system. ...
doi:10.1080/09537280210162941
fatcat:p7wrgcvt3bd7nc7houelh737qa
On the Determination of the Period Length in a Period Batch Control System
[chapter]
1997
Proceedings of the Thirty-Second International Matador Conference
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Period Batch Control (PBC ) is a production planning system that has strongly been propagated as a simple and effective instrument in obtaining the benefits of Group Technology, such as short throughput ...
In this paper we address the problem of determining the period length P and the number of stages (and hence PBC periods) N, assuming the total manufacturing lead time T = N*P is held constant. ...
CONCLUSIONS This paper has treated the important trade off between the length of a period P and the number of periods N in a period batch control system. ...
doi:10.1007/978-1-349-14620-8_21
fatcat:r4gda4y7wvhxhnnhsbmlzs6xc4
On Periodic Reference Tracking Using Batch-Mode Reinforcement Learning with Application to Gene Regulatory Network Control
[article]
2013
arXiv
pre-print
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In this paper, we consider the periodic reference tracking problem in the framework of batch-mode reinforcement learning, which studies methods for solving optimal control problems from the sole knowledge ...
In particular, we extend an existing batch-mode reinforcement learning algorithm, known as Fitted Q Iteration, to the periodic reference tracking problem. ...
Usually, in batch-mode reinforcement learning, very few assumptions are made on the structure of the control problem. ...
arXiv:1303.2987v1
fatcat:upwnndzsmfelzhp6isedjyp7vi
Period Batch Control - A Production Planning System Applied to Virtual Manufacturing Cells
2016
International Journal of Simulation Modelling
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., "Period Batch Control -A Production Planning System Abstract Period Batch Control (PBC) system has been known for its implementation with the classical group technology (GT) cells, and it has been known ...
The main production planning decisions concern the choice of the period length and the stage number and contents. ...
Period Batch Control PBC system uses the idea that the production process is performed through production stages with fixed time period lengths [6] . ...
doi:10.2507/ijsimm15(2)8.337
fatcat:lox5cbvfqrd4va5mkt263pgvfi
On periodic reference tracking using batch-mode reinforcement learning with application to gene regulatory network control
2013
52nd IEEE Conference on Decision and Control
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In this paper, we consider the periodic reference tracking problem in the framework of batch-mode reinforcement learning, which studies methods for solving optimal control problems from the sole knowledge ...
In particular, we extend an existing batch-mode reinforcement learning algorithm, known as Fitted Q Iteration, to the periodic reference tracking problem. ...
Usually, in batch-mode reinforcement learning, very few assumptions are made on the structure of the control problem. ...
doi:10.1109/cdc.2013.6760515
dblp:conf/cdc/SootlaSEBS13
fatcat:pfzt6xgo2jbvbkwpmqroei3kui
Proposta de utilização do sistema Period Batch Control para redução de lead time em uma empresa de bens de capital
2010
Production
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O objetivo do presente trabalho é apresentar uma proposta para a utilização do sistema PBC (Period Batch Control), assim como de dois pré-requisitos, a saber: mudança na política de controle da qualidade ...
R. et al. de utilização do sistema Period Batch Control ... bens de capital. ...
Proposta de utilização do sistema Period Batch Control ... bens de capital. ...
doi:10.1590/s0103-65132010005000030
fatcat:d3vpfywebndafijis7d7vxqkb4
Efficacy of vaccination of 3-week-old piglets with Circovac® against porcine circovirus diseases (PCVD)
2013
Trials in Vaccinology
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In a PCVD affected farm, a total of 1105 piglets from three consecutive farrowing batches were included. ...
In this controlled, blinded and randomised study, Circovac Ò , an inactivated PCV2 vaccine was used for active immunisation of 3-week-old piglets (0.5 ml, i.m., one-shot). ...
Concerning the batch as co-factor for the weight, there was no significant difference between the vaccinated and the control group, except at 13 weeks of age (end of the nursery period). ...
doi:10.1016/j.trivac.2013.02.001
fatcat:vtuu47mizrh6hpay7xbk7c6n2y
Iterative Learning Double Closed-Loop Structure for Modeling and Controller Design of Output StochAstic Distribution Control Systems
2014
IEEE Transactions on Control Systems Technology
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Each BATCH is divided into a modeling period and a number of control intervals, called batches, being arranged in the inner loop for ILC. ...
The ILM is arranged in the outer loop, which takes a longer period for each cycle termed as a BATCH. ...
one called a BATCH, and each BATCH is divided into a number of control periods, called batches. ...
doi:10.1109/tcst.2014.2306452
fatcat:zhrsidrocnemhjzge5pwjy7imy
On-line monitoring of a sugar crystallization process
2005
Computers and Chemical Engineering
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The methods investigated include classical on-line univariate statistical process control, batch dynamic principal component analysis (BDPCA), moving window principal component analysis (MWPCA), batch ...
The results obtained demonstrate the superior performance of the TVSS approach to successfully detect abnormal events and periods of bad operation early enough to allow bad batches and related losses in ...
In Fig. 8a , the MWPCA based T 2 control chart for Batch 1, there is a period of out-of-specification operation around time point 89. ...
doi:10.1016/j.compchemeng.2005.02.013
fatcat:24cabtdihjdsrja3abcov7erhi
A TIME VARYING STATE SPACE APPROACH FOR SUGAR CRYSTALLIZATION PROCESS MODELLING AND MONITORING
2005
IFAC Proceedings Volumes
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The present paper contributes to the issues of batch process modelling and monitoring by proposing a time-varying state space (TVSS) model for the evaporative sugar crystallization industrial process. ...
The TVSS methodology is compared with current state-of-the-art techniques and the results obtained demonstrate the superior performance of the TVSS approach to successfully detect abnormal events and periods ...
T 2 control charts of Batch 1, applying BDPCA (Fig. 3a) , BOL (Fig.4a) and TVSS (Fig. 5a) , provided maximum T 2 out-of-control signals for the time period around point 345. ...
doi:10.3182/20050703-6-cz-1902.01580
fatcat:akqpjhyslfgqflpypbrcjxzwb4
Page 457 of Chemical Engineering Vol. 59, Issue 10
[page]
1952
Chemical Engineering
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If You're Batch-Cooking You Can Use This Inexpensive Control
Here is a recorder-controller planned espe- cially for economically controlling proc- esses like batch cooking. ...
It holds the batch at that temperature for a predetermined period. It shuts down the process at the end of the cooking period. Those are its three standard functions. . ...
Page 83 of Chemical Engineering Vol. 60, Issue 2
[page]
1953
Chemical Engineering
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If You're Batch-Cooking You Can Use This Inexpensive Control
Here is a recorder-controller planned espe- cially for economically controlling proc- esses like batch cooking. ...
First of all, it brings the batch up to maximum holding temperature fast, It holds the batch at that temperature for a predetermined period. ...
Page 23 of Chemical Engineering Progress Vol. 52, Issue 6
[page]
1956
Chemical Engineering Progress
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This versatile Controller brings temperature up to control point fast...
stops it “on the nose” . . . keeps it there throughout the holding period. ...
What's more, this fast
“no overshoot” control doesn't compromise holding control . . . settings are made separately, for optimum results in both periods.
Here's how the Controller works. ...
Managing Shiga Toxin-Producing E. coli Using Statistical Process Control Charts for Routine Health and Production Monitoring in Pig Farming
2022
Frontiers in Veterinary Science
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the control limits (mean ± 3-fold sd; UCL, upper control limit; LCL, lower control limit) were based on data from the first 28 batches (Period 1) before the onset of the first ED clinical signs. ...
signs; 36 batches) and a Period 3 (application of the ED preventive protocol; 11 batches). ...
Period 3 was characterized by a new state of statistical control yielded no signals of special cause variation from batch 67 onwards. Frequency of out of control signals in I chart was 0%. ...
doi:10.3389/fvets.2022.814862
pmid:35372552
pmcid:PMC8968397
fatcat:5gaqatcsnfgjzerkmcbmaviwue
Page 101 of Chemical Engineering Vol. 59, Issue 6
[page]
1952
Chemical Engineering
Preserved Fulltext
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If You're Batch-Cooking You Can Use This Inexpensive Control
N
Here is a recorder-controller planned espe- cially for economically controlling proc- esses like batch cooking. ...
It holds the batch at that temperature for a predetermined period. It shuts down the process at the end of the cooking period. Those are its three standard functions. ...
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