Dynamization: Difference between revisions

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m Decapitalization of common nouns, remaining mathematical statements placed into "math" tag pairs
 
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'''Single-machine scheduling''' or '''single-resource scheduling''' is the process of assigning a group of tasks to a single machine or resource. The tasks are arranged so that one or many performance measures may be optimized.
 
==Performance measures==
The performance measures of the tasks in the single machine scheduling problem include:
*[[Tardiness]] – <math>max(0, receipt\;date - due\;date)</math>  
*[[Earliness]] – <math>max(0, due\;date - receipt\;date)</math>
*[[Lateness]] – <math>receipt\;date - due\;date</math>
*[[Flowtime]] – <math>end\;date - start\;date</math>
 
==Solution techniques==
Many solution techniques have been applied to solving single machine scheduling problems. Some of them are listed below.
 
===Heuristics===
*Shortest processing time (SPT)
:The SPT schedule is optimal if the objective is to minimize the average flowtime.
 
*Earliest due date (EDD)
:The EDD schedule is optimal if the objective is to minimize the maximum tardiness.
Note: "Lateness" is any deviation from the due date. Positive lateness is "tardiness," negative lateness is "earliness"
===Computational===
*[[Genetic algorithm]]s
*[[Neural network]]s
*Simulated annealing
*Ant colonies
 
{{DEFAULTSORT:Single-Machine Scheduling}}
[[Category:Mathematical optimization]]
[[Category:Manufacturing]]

Latest revision as of 23:11, 31 August 2014

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