A comparison of two V-shaped schedule-builder EAs for the common due date problem

The restricted single-machine common due date problem can be stated as follows: A set of <i>n</i> jobs with deterministic processing times <i>p</i><SUB>i</SUB> and a common due date <i>d</i> are given. The jobs have to be processed on one machine. For...

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Detalles Bibliográficos
Autores principales:	Pandolfi, Daniel, Vilanova, Gabriela, San Pedro, María Eugenia de, Villagra, Andrea, Gallard, Raúl Hector
Formato:	Objeto de conferencia
Lenguaje:	Inglés
Publicado:	2001
Materias:	Ciencias Informáticas ARTIFICIAL INTELLIGENCE two v-shaped schedule-builder eas common due date problem
Acceso en línea:	http://sedici.unlp.edu.ar/handle/10915/21648
Aporte de:	SEDICI (UNLP) de Universidad Nacional de La Plata

Descripción
Sumario:	The restricted single-machine common due date problem can be stated as follows: A set of <i>n</i> jobs with deterministic processing times <i>p</i><SUB>i</SUB> and a common due date <i>d</i> are given. The jobs have to be processed on one machine. For each of the jobs an individual earliness α<SUB>i</SUB> and tardiness β<SUB>i</SUB> penalty is given, which is incurred, if a job is finished before or after the common due date <i>d</i>, respectively. The goal is to find a schedule for the <i>n</i> jobs which jointly minimizes the sum of earliness and tardiness penalties. Even simple in the formulation, this model leads to an optimization problem that is NP-Hard.